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<span class="vector-toc-numb">3</span> <span>Do-it-yourself video projectors</span> </div> </a> <ul id="toc-Do-it-yourself_video_projectors-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav 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class="firstHeading mw-first-heading"><span class="mw-page-title-main">Video projector</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 39 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-39" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">39 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D8%A7%D8%B1%D8%B6_%D9%81%D9%8A%D8%AF%D9%8A%D9%88" title="عارض فيديو – Arabic" lang="ar" hreflang="ar" data-title="عارض فيديو" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-atj mw-list-item"><a href="https://atj.wikipedia.org/wiki/Wasikore_masinactetcitcikan" title="Wasikore masinactetcitcikan – Atikamekw" lang="atj" hreflang="atj" data-title="Wasikore masinactetcitcikan" data-language-autonym="Atikamekw" data-language-local-name="Atikamekw" class="interlanguage-link-target"><span>Atikamekw</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9F%D1%80%D0%B0%D0%B5%D0%BA%D1%82%D0%B0%D1%80" title="Праектар – Belarusian" lang="be" hreflang="be" data-title="Праектар" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9F%D1%80%D0%B0%D0%B5%D0%BA%D1%82%D0%B0%D1%80" title="Праектар – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Праектар" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9F%D1%80%D0%BE%D0%B6%D0%B5%D0%BA%D1%86%D0%B8%D0%BE%D0%BD%D0%B5%D0%BD_%D0%B0%D0%BF%D0%B0%D1%80%D0%B0%D1%82" title="Прожекционен апарат – Bulgarian" lang="bg" hreflang="bg" data-title="Прожекционен апарат" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Projector_de_v%C3%ADdeo" title="Projector de vídeo – Catalan" lang="ca" hreflang="ca" data-title="Projector de vídeo" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Dataprojektor" title="Dataprojektor – Czech" lang="cs" hreflang="cs" data-title="Dataprojektor" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Videoprojektor" title="Videoprojektor – German" lang="de" hreflang="de" data-title="Videoprojektor" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Videoprojektor" title="Videoprojektor – Estonian" lang="et" hreflang="et" data-title="Videoprojektor" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%92%CE%B9%CE%BD%CF%84%CE%B5%CE%BF%CF%80%CF%81%CE%BF%CE%B2%CE%BF%CE%BB%CE%AD%CE%B1%CF%82" title="Βιντεοπροβολέας – Greek" lang="el" hreflang="el" data-title="Βιντεοπροβολέας" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Proyector_de_video" title="Proyector de video – Spanish" lang="es" hreflang="es" data-title="Proyector de video" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Cifereca_projekciilo" title="Cifereca projekciilo – Esperanto" lang="eo" hreflang="eo" data-title="Cifereca projekciilo" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Bideo_proiektore" title="Bideo proiektore – Basque" lang="eu" hreflang="eu" data-title="Bideo proiektore" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%88%DB%8C%D8%AF%DB%8C%D9%88%D9%BE%D8%B1%D9%88%DA%98%DA%A9%D8%AA%D9%88%D8%B1" title="ویدیوپروژکتور – Persian" lang="fa" hreflang="fa" data-title="ویدیوپروژکتور" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Vid%C3%A9oprojecteur" title="Vidéoprojecteur – French" lang="fr" hreflang="fr" data-title="Vidéoprojecteur" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%98%81%EC%83%81_%ED%94%84%EB%A1%9C%EC%A0%9D%ED%84%B0" title="영상 프로젝터 – Korean" lang="ko" hreflang="ko" data-title="영상 프로젝터" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8A%D6%80%D5%B8%D5%B5%D5%A5%D5%AF%D6%81%D5%AB%D5%B8%D5%B6_%D5%BD%D5%A1%D6%80%D6%84" title="Պրոյեկցիոն սարք – Armenian" lang="hy" hreflang="hy" data-title="Պրոյեկցիոն սարք" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B5%E0%A5%80%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A5%8B_%E0%A4%AA%E0%A5%8D%E0%A4%B0%E0%A5%8B%E0%A4%9C%E0%A5%87%E0%A4%95%E0%A5%8D%E0%A4%9F%E0%A4%B0" title="वीडियो प्रोजेक्टर – Hindi" lang="hi" hreflang="hi" data-title="वीडियो प्रोजेक्टर" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Video_projektor" title="Video projektor – Croatian" lang="hr" hreflang="hr" data-title="Video projektor" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Skj%C3%A1varpi" title="Skjávarpi – Icelandic" lang="is" hreflang="is" data-title="Skjávarpi" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Videoproiettore" title="Videoproiettore – Italian" lang="it" hreflang="it" data-title="Videoproiettore" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9F%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D0%BE%D1%80" title="Проектор – Kazakh" lang="kk" hreflang="kk" data-title="Проектор" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%91%D0%B5%D1%80%D0%B8%D0%BB%D0%B8%D1%88%D1%82%D0%B5%D1%80_%D0%BF%D1%80%D0%BE%D0%B6%D0%B5%D0%BA%D1%82%D0%BE%D1%80%D1%83" title="Берилиштер прожектору – Kyrgyz" lang="ky" hreflang="ky" data-title="Берилиштер прожектору" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Projektor" title="Projektor – Hungarian" lang="hu" hreflang="hu" data-title="Projektor" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Videoprojector" title="Videoprojector – Dutch" lang="nl" hreflang="nl" data-title="Videoprojector" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%82%BF" title="プロジェクタ – Japanese" lang="ja" hreflang="ja" data-title="プロジェクタ" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Projektor_komputerowy" title="Projektor komputerowy – Polish" lang="pl" hreflang="pl" data-title="Projektor komputerowy" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Projetor_de_v%C3%ADdeo" title="Projetor de vídeo – Portuguese" lang="pt" hreflang="pt" data-title="Projetor de vídeo" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru badge-Q70893996 mw-list-item" title=""><a href="https://ru.wikipedia.org/wiki/%D0%92%D0%B8%D0%B4%D0%B5%D0%BE%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D0%BE%D1%80" title="Видеопроектор – Russian" lang="ru" hreflang="ru" data-title="Видеопроектор" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Video_projector" title="Video projector – Simple English" lang="en-simple" hreflang="en-simple" data-title="Video projector" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/D%C3%A1tov%C3%BD_projektor" title="Dátový projektor – Slovak" lang="sk" hreflang="sk" data-title="Dátový projektor" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9F%D1%80%D0%BE%D1%98%D0%B5%D0%BA%D1%82%D0%BE%D1%80" title="Пројектор – Serbian" lang="sr" hreflang="sr" data-title="Пројектор" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Videoprojektori" title="Videoprojektori – Finnish" lang="fi" hreflang="fi" data-title="Videoprojektori" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Videoprojektor" title="Videoprojektor – Swedish" lang="sv" hreflang="sv" data-title="Videoprojektor" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Avideoprojector" title="Avideoprojector – Kabyle" lang="kab" hreflang="kab" data-title="Avideoprojector" data-language-autonym="Taqbaylit" data-language-local-name="Kabyle" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%84%E0%B8%A3%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B8%89%E0%B8%B2%E0%B8%A2%E0%B8%A0%E0%B8%B2%E0%B8%9E" title="เครื่องฉายภาพ – Thai" lang="th" hreflang="th" data-title="เครื่องฉายภาพ" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D1%80%D0%BE%D1%94%D0%BA%D1%82%D0%BE%D1%80" title="Проєктор – Ukrainian" lang="uk" hreflang="uk" data-title="Проєктор" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/M%C3%A1y_chi%E1%BA%BFu_k%E1%BB%B9_thu%E1%BA%ADt_s%E1%BB%91" title="Máy chiếu kỹ thuật số – Vietnamese" lang="vi" hreflang="vi" data-title="Máy chiếu kỹ thuật số" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E8%A6%96%E9%A0%BB%E6%8A%95%E5%BD%B1%E6%A9%9F" title="視頻投影機 – Chinese" lang="zh" hreflang="zh" data-title="視頻投影機" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span 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<div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Device that projects video onto a surface</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">This article is about home and business projectors; for video projectors used in movie theaters, see <a href="/wiki/Digital_cinema" title="Digital cinema">digital cinema</a>.</div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Projektor_PGD2870W_firmy_Sharp.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Projektor_PGD2870W_firmy_Sharp.jpg/220px-Projektor_PGD2870W_firmy_Sharp.jpg" decoding="async" width="220" height="139" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Projektor_PGD2870W_firmy_Sharp.jpg/330px-Projektor_PGD2870W_firmy_Sharp.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Projektor_PGD2870W_firmy_Sharp.jpg/440px-Projektor_PGD2870W_firmy_Sharp.jpg 2x" data-file-width="3252" data-file-height="2052" /></a><figcaption>A projector in a standard form factor: The PG-D2870 projector from <a href="/wiki/Sharp_Corporation" title="Sharp Corporation">Sharp</a>, which uses <a href="/wiki/Digital_Light_Processing" class="mw-redirect" title="Digital Light Processing">Digital Light Processing</a> technology</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Projection-screen-home2.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Projection-screen-home2.jpg/220px-Projection-screen-home2.jpg" decoding="async" width="220" height="158" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Projection-screen-home2.jpg/330px-Projection-screen-home2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Projection-screen-home2.jpg/440px-Projection-screen-home2.jpg 2x" data-file-width="2276" data-file-height="1634" /></a><figcaption>An image from a video projector in a <a href="/wiki/Home_cinema" title="Home cinema">home cinema</a></figcaption></figure> <p>A <b>video projector</b> is an <a href="/wiki/Image_projector" class="mw-redirect" title="Image projector">image projector</a> that receives a <a href="/wiki/Video_signal" class="mw-redirect" title="Video signal">video signal</a> and projects the corresponding image onto a <a href="/wiki/Projection_screen" title="Projection screen">projection screen</a> using a <a href="/wiki/Lens_(optics)" class="mw-redirect" title="Lens (optics)">lens</a> system. <a href="/wiki/Video" title="Video">Video</a> projectors use a very bright <a href="/wiki/Ultra-high-performance_lamp" title="Ultra-high-performance lamp">ultra-high-performance lamp</a> (a special <a href="/wiki/Mercury_arc_lamp" class="mw-redirect" title="Mercury arc lamp">mercury arc lamp</a>), <a href="/wiki/Xenon_arc_lamp" title="Xenon arc lamp">Xenon arc lamp</a>, <a href="/wiki/Metal-halide_lamp" title="Metal-halide lamp">metal halide lamp</a>, <a href="/wiki/LED" class="mw-redirect" title="LED">LED</a> or solid state blue, RB, <a href="/wiki/RGB_color_model" title="RGB color model">RGB</a> or <a href="/wiki/Fiber-optic" class="mw-redirect" title="Fiber-optic">fiber-optic</a> <a href="/wiki/Laser" title="Laser">lasers</a> to provide the illumination required to project the image. Most modern projectors can correct any curves, blurriness and other inconsistencies through manual settings. </p><p>Video projectors are used for many applications such as conference room <a href="/wiki/Presentation" title="Presentation">presentations</a>, classroom training, <a href="/wiki/Home_cinema" title="Home cinema">home cinema</a>, movie theaters, and <a href="/wiki/Concerts" class="mw-redirect" title="Concerts">concerts</a>, having mostly replaced <a href="/wiki/Overhead_projector" title="Overhead projector">overhead</a>, <a href="/wiki/Slide_projector" title="Slide projector">slide</a> and conventional <a href="/wiki/Film_projector" class="mw-redirect" title="Film projector">film projectors</a>. In schools and other educational settings,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> they are sometimes connected to an <a href="/wiki/Interactive_whiteboard" title="Interactive whiteboard">interactive whiteboard</a>. In the late 20th century, they became commonplace in <a href="/wiki/Home_cinema" title="Home cinema">home cinema</a>. Although large <a href="/wiki/LCD_television" title="LCD television">LCD television</a> screens became quite popular, video projectors are still common among many home theater enthusiasts. In some applications, video projectors have been replaced with large monitors or LED screens,<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> or their replacement has been explored.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Overview">Overview</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Video_projector&action=edit&section=1" title="Edit section: Overview"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A video projector, also known as a digital projector, may project onto a traditional reflective projection screen, or it may be built into a cabinet with a translucent <a href="/wiki/Rear-projection_television" title="Rear-projection television">rear-projection screen</a> to form a single unified display device. </p><p>Common <a href="/wiki/Display_resolution" title="Display resolution">display resolutions</a> include <a href="/wiki/SVGA" class="mw-redirect" title="SVGA">SVGA</a> (800×600 <a href="/wiki/Pixel" title="Pixel">pixels</a>), <a href="/wiki/XGA" class="mw-redirect" title="XGA">XGA</a> (1024×768 pixels), SXGA+ (1400×1050 pixels), <a href="/wiki/720p" title="720p">720p</a> (1280×720 pixels), and <a href="/wiki/1080p" title="1080p">1080p</a> (1920×1080 pixels), 4K UHD (3840×2160), as well as 16:10 aspect ratio resolutions including WXGA+ (1280×800 pixels) and WUXGA (1920×1200 pixels). </p><p>If a blue laser is used, a phosphor wheel is used to turn blue light into white light, which is also the case with white LEDs. (White LEDs do not use lasers.) A wheel is used in order to prolong the lifespan of the phosphor, as it is degraded by the heat generated by the laser diode. Remote fiber-optic RGB laser racks can be placed far away from the projector, and several racks can be housed in a single, central room. Each projector can use up to two racks, and several monochrome lasers are mounted on each rack, the light of which is mixed and transmitted to the projector booth using optical fibers.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> Projectors using RB lasers use a blue laser with a phosphor wheel in conjunction with a conventional solid-state red laser. </p><p>The cost of a projector is typically driven by its base technology, features, resolution and light output. A projector with a higher <a href="/wiki/Luminous_flux" title="Luminous flux">light output</a> (measured in <a href="/wiki/Lumen_(unit)" title="Lumen (unit)">lumens</a>) is required for a larger screen or for a room with more ambient light.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> For example, a light output of approximately 1500 to 2500 <a href="/wiki/American_National_Standards_Institute" title="American National Standards Institute">ANSI</a> lumens is suitable for small screens viewed in rooms with low ambient light; approximately 2500 to 4000 lm is suitable for medium-sized screens with some ambient light; over 4000 lm is needed for very large screens or use in rooms with no lighting control such as conference rooms. High brightness large-venue models are increasingly common in boardrooms, auditoriums and other high-profile spaces, and models up to 75,000 lm<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> are used in large staging applications such as concerts, keynote addresses and displays projected on buildings. Video projectors can have a mechanism similar to local backlight dimming to achieve higher contrast ratios by using 6 DLP chips: 3 for display, and 3 for local dimming.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>A few <a href="/wiki/Camcorder" title="Camcorder">camcorders</a> have a <a href="/wiki/Camcorder#Camcorder_with_built-in_projector" title="Camcorder">built-in projector</a> suitable to make a small projection; a few more powerful "pico projectors" are pocket-sized, and many projectors are portable. </p> <div class="mw-heading mw-heading2"><h2 id="Projection_technologies">Projection technologies</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Video_projector&action=edit&section=2" title="Edit section: Projection technologies"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid 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href="/wiki/Wikipedia:External_links#Advertising_and_conflicts_of_interest" title="Wikipedia:External links">external links</a>, and by adding encyclopedic text written from a <a href="/wiki/Wikipedia:Neutral_point_of_view" title="Wikipedia:Neutral point of view">neutral point of view</a>.</span> <span class="date-container"><i>(<span class="date">May 2020</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Kalht_01.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Kalht_01.jpg/170px-Kalht_01.jpg" decoding="async" width="170" height="255" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Kalht_01.jpg/255px-Kalht_01.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Kalht_01.jpg/340px-Kalht_01.jpg 2x" data-file-width="534" data-file-height="800" /></a><figcaption>A <a href="/wiki/Zenith_Electronics" title="Zenith Electronics">Zenith Electronics</a> 1200 CRT-projector-based <a href="/wiki/Home_cinema" title="Home cinema">home theater</a>, ca. 2006</figcaption></figure> <ul><li><a href="/wiki/LCD_projector" title="LCD projector">LCD projector</a> using <a href="/wiki/LCD" class="mw-redirect" title="LCD">LCD</a> light gates. This is the simplest system, making it one of the most common and affordable for home theaters and business use. Common problems include a visible <a href="/wiki/Screen-door_effect" title="Screen-door effect">“screen door” or pixelation effect</a>, and the LCD panels deteriorating from heat and from <a href="/wiki/Photo-oxidation_of_polymers" title="Photo-oxidation of polymers">UV degradation</a>, leading to discolored spots or holes in the image, although recent advances have reduced the severity of these issues in some models.</li> <li><a href="/wiki/Digital_Light_Processing" class="mw-redirect" title="Digital Light Processing">DLP projector</a> using <a href="/wiki/Texas_Instruments" title="Texas Instruments">Texas Instruments</a>’ <a href="/wiki/Digital_Light_Processing" class="mw-redirect" title="Digital Light Processing">DLP</a> technology. This uses one to three <a href="/wiki/Microfabrication" title="Microfabrication">microfabricated</a> <a href="/wiki/Light_valve" title="Light valve">light valves</a> called <a href="/wiki/Digital_micromirror_device" title="Digital micromirror device">digital micromirror devices</a> (DMDs). The single- and double-DMD versions use rotating color wheels in time with the mirror refreshes to modulate color. The most common problem with the single- or two-DMD varieties is a visible “<a href="/wiki/Digital_Light_Processing#The_color_wheel_"rainbow_effect"" class="mw-redirect" title="Digital Light Processing">rainbow</a>” which some people perceive when moving their eyes. More recent projectors with higher speed (2× or 4×) and otherwise optimized color wheels have lessened this effect. 3-chip <a href="/wiki/Digital_light_processing" title="Digital light processing">DLP projectors</a> do not have this problem, as they display each <a href="/wiki/Primary_color" title="Primary color">primary color</a> simultaneously, and offer higher light output and more accurate color reproduction, however the cost is significantly higher and thus 3-chip DLP technology is typically used in large venue, high brightness models, as well as Digital Cinema projectors.</li> <li>LCoS projectors (<a href="/wiki/Liquid_crystal_on_silicon" title="Liquid crystal on silicon">liquid crystal on silicon</a>). Such projectors often process light in the <a href="/wiki/Fourier_optics" title="Fourier optics">Fourier domain</a>, which enables correction of optical aberrations using <a href="/wiki/Zernike_polynomials" title="Zernike polynomials">Zernike polynomials</a>.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> Some commercially available technologies include: <ul><li><a href="/wiki/D-ILA" class="mw-redirect" title="D-ILA">D-ILA</a> JVC’s Direct-drive Image Light Amplifier based on LCoS technology.</li> <li><a href="/wiki/SXRD" class="mw-redirect" title="SXRD">SXRD</a> Sony’s proprietary variant of LCoS technology.</li></ul></li> <li><a href="/wiki/LED" class="mw-redirect" title="LED">LED</a> projectors use one of the above-mentioned technologies for image creation, with a difference that they use an array of <a href="/wiki/Light-emitting_diode" title="Light-emitting diode">Light Emitting Diodes</a> as the light source, negating the need for lamp replacement.</li> <li>Hybrid <a href="/wiki/LED" class="mw-redirect" title="LED">LED</a> and <a href="/wiki/Laser_diode" title="Laser diode">laser diode</a> system developed by <a href="/wiki/Casio" title="Casio">Casio</a>. Uses a combination of Light Emitting Diodes and 445 nm <a href="/wiki/Laser_diode" title="Laser diode">laser diodes</a> as the light source, while image is processed with DLP (DMD) chip.</li> <li><a href="/wiki/Laser_diode" title="Laser diode">Laser diode</a> projectors have been developed by Microvision and Aaxa Technologies. Microvision projectors use Microvision's patented <a href="/wiki/Microelectromechanical_systems" class="mw-redirect" title="Microelectromechanical systems">MEMS</a> laser beam-steering technology, whereas Aaxa Technologies uses <a href="/wiki/Laser_diode" title="Laser diode">laser diodes</a> + LCoS.</li> <li>Laser projectors are now available from most projector manufacturers, including <a href="/wiki/Barco_(manufacturer)" title="Barco (manufacturer)">Barco</a>, <a href="/wiki/Canon_Inc." title="Canon Inc.">Canon</a>, <a href="/wiki/Christie_(company)" title="Christie (company)">Christie Digital</a>, <a href="/wiki/Dell" title="Dell">Dell</a>, <a href="/wiki/Epson" title="Epson">Epson</a>, <a href="/wiki/Hitachi" title="Hitachi">Hitachi</a>, <a href="/wiki/NEC" title="NEC">NEC</a>, <a href="/wiki/Optoma" title="Optoma">Optoma</a>, <a href="/wiki/Panasonic" title="Panasonic">Panasonic</a>, <a href="/wiki/Sony" title="Sony">Sony</a>, <a href="/wiki/ViewSonic" title="ViewSonic">Viewsonic</a> and many others. These units use a monochrome blue laser light source to excite a yellow phosphor medium creating a broad spectrum light (instead of incandescent or mercury vapor lamps used to create the broad spectrum light). This broadband spectrum light is then split into the primaries with a color wheel and are used with most common projection technologies, including single & 3-Chip DLP, LCD and LCoS.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> They offer numerous advantages, including eliminating the high cost and downtime of replacing lamps, variations in brightness and color that occur as lamps age and improved color fidelity. Typical laser light sources used in projectors are rated for 20,000 hours before the light output is reduced to 50%, whereas lamps lose brightness quickly and need to be replaced after as little as 1000–2000 hours.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Obsolete_technologies">Obsolete technologies</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Video_projector&action=edit&section=3" title="Edit section: Obsolete technologies"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/CRT_projector" title="CRT projector">CRT projector</a> using <a href="/wiki/Cathode-ray_tube" title="Cathode-ray tube">cathode-ray tubes</a>. Once dominated the video projection market, but given their limited light output, size, weight and need for complex alignment, they have since been displaced by digital projectors and are no longer being made.</li> <li><a href="/wiki/Eidophor" title="Eidophor">Eidophor</a> oil-film projectors.</li> <li>LIA (light image amplifier) light valves.</li> <li><a href="/wiki/Liquid_crystal_on_silicon#Technology" title="Liquid crystal on silicon">ILA</a>, marketed by Hughes-JVC. It is the predecesor to JVC's D-ILA offering.</li> <li><a href="/wiki/Schmidt-Cassegrain_telescope" class="mw-redirect" title="Schmidt-Cassegrain telescope">Schmidt</a>-CRT, developed by <a href="/wiki/Kloss_Video_Corporation" class="mw-redirect" title="Kloss Video Corporation">Kloss Video</a>.</li> <li><a href="/wiki/Talaria_projector" title="Talaria projector">Talaria</a> oil-film projectors.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Do-it-yourself_video_projectors">Do-it-yourself video projectors</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Video_projector&action=edit&section=4" title="Edit section: Do-it-yourself video projectors"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Some <a href="/wiki/Hobby" title="Hobby">hobbyists</a> build do-it-yourself (<a href="/wiki/DIY" class="mw-redirect" title="DIY">DIY</a>) projectors at <a href="/wiki/Low_cost" class="mw-redirect" title="Low cost">low costs</a>. They build their projectors from kits, sourced components, or from scratch, using a television set, cellphone screen, or LED lighting as a light source.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> DIY construction plans can be obtained through the internet<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> for domestic and <a href="/wiki/Classroom" title="Classroom">classroom</a> use. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Video_projector&action=edit&section=5" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/3LCD" title="3LCD">3LCD</a></li> <li><a href="/wiki/Comparison_of_display_technology" title="Comparison of display technology">Comparison of display technology</a></li> <li><a href="/wiki/Digital_cinema" title="Digital cinema">Digital cinema</a></li> <li><a href="/wiki/Digital_divide" title="Digital divide">Digital divide</a></li> <li><a href="/wiki/Digital_Light_Processing" class="mw-redirect" title="Digital Light Processing">Digital Light Processing</a> (DLP)</li> <li><a href="/wiki/Handheld_projector" title="Handheld projector">Handheld projector</a></li> <li><a href="/wiki/Holographic_screen" title="Holographic screen">Holographic screen</a></li> <li><a href="/wiki/Inflatable_movie_screen" title="Inflatable movie screen">Inflatable movie screen</a></li> <li><a href="/wiki/Large-screen_television_technology" title="Large-screen television technology">Large-screen television technology</a></li> <li><a href="/wiki/Live_event_support" title="Live event support">Live event support</a></li> <li><a href="/wiki/Projection_mapping" title="Projection mapping">Projection mapping</a></li> <li><a href="/wiki/Projection_screen" title="Projection screen">Projection screen</a></li> <li><a href="/wiki/Razer_Inc." title="Razer Inc.">Project Ariana</a></li> <li><a href="/wiki/Screen_door_effect" class="mw-redirect" title="Screen door effect">Screen door effect</a></li> <li><a href="/wiki/Video_designer" class="mw-redirect" title="Video designer">Video designer</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Video_projector&action=edit&section=6" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid 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Retrieved <span class="nowrap">2023-12-28</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Christie+RGB+laser+projection&rft_id=https%3A%2F%2Fwww.christiedigital.com%2Fglobalassets%2Fresources%2Fpublic%2Fchristie-rgb-laser-brochure.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AVideo+projector" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://spie.org/news/1108-novel-laser-sources-for-large-venue-projection-markets?ArticleID=x24934&SSO=1">"Novel laser sources for large-venue projection markets"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Novel+laser+sources+for+large-venue+projection+markets&rft_id=https%3A%2F%2Fspie.org%2Fnews%2F1108-novel-laser-sources-for-large-venue-projection-markets%3FArticleID%3Dx24934%26SSO%3D1&rfr_id=info%3Asid%2Fen.wikipedia.org%3AVideo+projector" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRichard_Cadena2006" class="citation book cs1">Richard Cadena (2006). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=zfu9727rvjgC&q=other+important+factors+are+the+contrast+ratio%2C+the+ambient+light&pg=PA344"><i>Automated Lighting: The Art and Science of Moving Light in Theatre, Live Performance, Broadcast, and Entertainment</i></a>. <a href="/wiki/Focal_Press" title="Focal Press">Focal Press</a>. p. 344. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-240-80703-4" title="Special:BookSources/978-0-240-80703-4"><bdi>978-0-240-80703-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Automated+Lighting%3A+The+Art+and+Science+of+Moving+Light+in+Theatre%2C+Live+Performance%2C+Broadcast%2C+and+Entertainment&rft.pages=344&rft.pub=Focal+Press&rft.date=2006&rft.isbn=978-0-240-80703-4&rft.au=Richard+Cadena&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dzfu9727rvjgC%26q%3Dother%2Bimportant%2Bfactors%2Bare%2Bthe%2Bcontrast%2Bratio%252C%2Bthe%2Bambient%2Blight%26pg%3DPA344&rfr_id=info%3Asid%2Fen.wikipedia.org%3AVideo+projector" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.projectorcentral.com/Barco-Barco_XDL-4K75.htm">"Barco XDL-4K75 DLP Projector"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Barco+XDL-4K75+DLP+Projector&rft_id=https%3A%2F%2Fwww.projectorcentral.com%2FBarco-Barco_XDL-4K75.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AVideo+projector" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.projectorcentral.com/Christie-names-home-theater-rep-for-Eclipse.htm">"Christie to Sell Breakthrough Eclipse HDR Projector for Home Theaters"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Christie+to+Sell+Breakthrough+Eclipse+HDR+Projector+for+Home+Theaters&rft_id=https%3A%2F%2Fwww.projectorcentral.com%2FChristie-names-home-theater-rep-for-Eclipse.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AVideo+projector" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bigpicturebigsound.com/Best-Home-Theater-Projector-of-All-Time-Meet-The-Christie-Eclipse.shtml">"Best Home Theater Projector of All Time? 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Retrieved <span class="nowrap">2023-06-24</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.barco.com&rft.atitle=What%27s+the+difference+between+laser+phosphor+and+RGB+laser%3F&rft_id=https%3A%2F%2Fwww.barco.com%2Fna-en%2Finspiration%2Fnews-insights%2F2020-05-19-rgb-vs-laserphosphor&rfr_id=info%3Asid%2Fen.wikipedia.org%3AVideo+projector" class="Z3988"></span></span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDIY_Perks" class="citation web cs1">DIY Perks. <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=YfvTjQ9MCwY&t=1519s">"Building a TRUE 4k home cinema projector"</a>. <i>Youtube</i><span class="reference-accessdate">. Retrieved <span class="nowrap">23 August</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Youtube&rft.atitle=Building+a+TRUE+4k+home+cinema+projector&rft.au=DIY+Perks&rft_id=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DYfvTjQ9MCwY%26t%3D1519s&rfr_id=info%3Asid%2Fen.wikipedia.org%3AVideo+projector" class="Z3988"></span></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFVölkel2004" class="citation web cs1">Völkel, Frank (November 14, 2004). <a rel="nofollow" class="external text" href="https://www.tomshardware.com/reviews/supersize-tv,918.html">"Supersize Your TV for $300: Build Your Own XGA Projector!"</a>. <a href="/wiki/Tom%27s_Hardware" title="Tom's Hardware">Tom's Hardware</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20101229155255/http://www.tomsguide.com/us/supersize-your-tv-for,review-342.html">Archived</a> from the original on 2010-12-29<span class="reference-accessdate">. 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href="/wiki/Eidophor" title="Eidophor">Eidophor</a></li> <li><a href="/wiki/Cathode-ray_tube" title="Cathode-ray tube">Cathode-ray tube</a> (CRT)</li> <li><a href="/wiki/Jumbotron" title="Jumbotron">Jumbotron</a></li> <li><a href="/wiki/Electroluminescent_display" title="Electroluminescent display">Electroluminescent display</a> (ELD)</li> <li><a href="/wiki/Rear-projection_television" title="Rear-projection television">Rear-projection display</a></li> <li><a href="/wiki/Plasma_display" title="Plasma display">Plasma display panel</a> (PDP) <ul><li><a href="/wiki/Alternate_lighting_of_surfaces" title="Alternate lighting of surfaces">ALiS</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;">Current <br />generation</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Quantum_dot_display" title="Quantum dot display">Quantum dot display</a> (QLED)</li> <li><a href="/wiki/Electronic_paper" title="Electronic paper">Electronic paper</a> <ul><li><a href="/wiki/E_Ink" title="E Ink">E Ink</a></li> <li><a href="/wiki/Gyricon" title="Gyricon">Gyricon</a></li></ul></li> <li><a href="/wiki/LED_display" title="LED display">Light-emitting diode display</a> (LED) <ul><li><a href="/wiki/OLED" title="OLED">Organic light-emitting diode</a> (OLED) <ul><li><a href="/wiki/AMOLED" title="AMOLED">Active-Matrix Organic light-emitting diode</a> (AMOLED)</li></ul></li></ul></li> <li><a href="/wiki/Liquid-crystal_display" title="Liquid-crystal display">Liquid-crystal display</a> (LCD) <ul><li><a href="/wiki/TFT_LCD" title="TFT LCD">TFT</a> <ul><li><a href="/wiki/Twisted_nematic_field_effect" title="Twisted nematic field effect">TN</a></li> <li><a href="/wiki/IPS_panel" title="IPS panel">IPS</a></li></ul></li> <li><a href="/wiki/LED-backlit_LCD" title="LED-backlit LCD">LED-backlit</a></li> <li><a href="/wiki/Blue_phase_mode_LCD" title="Blue phase mode LCD">Blue Phase</a></li></ul></li> <li><a href="/wiki/Digital_Light_Processing" class="mw-redirect" title="Digital Light Processing">Digital Light Processing</a> (DLP)</li> <li><a href="/wiki/Liquid_crystal_on_silicon" title="Liquid crystal on silicon">Liquid crystal on silicon</a> (LCoS)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Next_generation_of_display_technology" title="Next generation of display technology">Next <br />generation</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/MicroLED" title="MicroLED">microLED</a></li> <li><a href="/wiki/Quantum_dot_display#Self-emissive_quantum_dot_diodes" title="Quantum dot display">Electroluminescent Quantum Dots</a> (ELQD/QD-LED)</li> <li><a href="/wiki/Organic_light-emitting_transistor" title="Organic light-emitting transistor">Organic light-emitting transistor</a> (OLET)</li> <li><a href="/wiki/Surface-conduction_electron-emitter_display" title="Surface-conduction electron-emitter display">Surface-conduction electron-emitter display</a> (SED)</li> <li><a href="/wiki/Field-emission_display" title="Field-emission display">Field-emission display</a> (FED)</li> <li><a href="/wiki/Laser_TV" title="Laser TV">Laser TV</a> <ul><li><a href="/wiki/Quantum_dot_laser" title="Quantum dot laser">Quantum dot</a></li> <li><a href="/wiki/Liquid-crystal_laser" title="Liquid-crystal laser">Liquid crystal</a></li></ul></li> <li><a href="/wiki/Microelectromechanical_systems" class="mw-redirect" title="Microelectromechanical systems">MEMS</a> display <ul><li><a href="/wiki/Interferometric_modulator_display" title="Interferometric modulator display">IMoD</a></li> <li><a href="/wiki/Time-multiplexed_optical_shutter" title="Time-multiplexed optical shutter">TMOS</a></li></ul></li> <li><a href="/wiki/Ferroelectric_liquid_crystal_display" title="Ferroelectric liquid crystal display">Ferroelectric liquid crystal display</a> (FLCD)</li> <li><a href="/wiki/Thick-film_dielectric_electroluminescent_technology" class="mw-redirect" title="Thick-film dielectric electroluminescent technology">Thick-film dielectric electroluminescent technology</a> (TDEL)</li> <li><a href="/wiki/Laser-powered_phosphor_display" title="Laser-powered phosphor display">Laser-powered phosphor display</a> (LPD)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Non-video</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Electromechanics" title="Electromechanics">Electromechanical</a> <ul><li><a href="/wiki/Flip-disc_display" title="Flip-disc display">Flip-dot</a></li> <li><a href="/wiki/Split-flap_display" title="Split-flap display">Split-flap</a></li></ul></li> <li><a href="/wiki/Text_display#Eggcrate_displays" title="Text display">Eggcrate</a></li> <li><a href="/wiki/Fiber-optic_display" title="Fiber-optic display">Fiber-optic</a></li> <li><a href="/wiki/Nixie_tube" title="Nixie tube">Nixie tube</a></li> <li><a href="/wiki/Vacuum_fluorescent_display" title="Vacuum fluorescent display">Vacuum fluorescent display</a> (VFD)</li> <li><a href="/wiki/Light-emitting_electrochemical_cell" title="Light-emitting electrochemical cell">Light-emitting electrochemical cell</a> (LEC)</li> <li><a href="/wiki/Lightguide_display" title="Lightguide display">Lightguide display</a></li> <li><a href="/wiki/Dot-matrix_display" title="Dot-matrix display">Dot-matrix display</a></li> <li><a href="/wiki/Seven-segment_display" title="Seven-segment display">Seven-segment display</a> (SSD)</li> <li><a href="/wiki/Eight-segment_display" title="Eight-segment display">Eight-segment display</a></li> <li><a href="/wiki/Nine-segment_display" title="Nine-segment display">Nine-segment display</a></li> <li><a href="/wiki/Fourteen-segment_display" title="Fourteen-segment display">Fourteen-segment display</a> (FSD)</li> <li><a href="/wiki/Sixteen-segment_display" title="Sixteen-segment display">Sixteen-segment display</a> (SISD)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/3D_display" title="3D display">3D display</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Stereoscopy" title="Stereoscopy">Stereoscopic</a></li> <li><a href="/wiki/Autostereoscopy" title="Autostereoscopy">Autostereoscopic</a></li> <li><a href="/wiki/Multiscopy" title="Multiscopy">Multiscopic</a></li> <li><a href="/wiki/Holography" title="Holography">Hologram</a> <ul><li><a href="/wiki/Holographic_display" title="Holographic display">Holographic display</a></li> <li><a href="/wiki/Computer-generated_holography" title="Computer-generated holography">Computer-generated holography</a></li></ul></li> <li><a href="/wiki/Volumetric_display" title="Volumetric display">Volumetric</a></li> <li><a href="/wiki/Fog_display" title="Fog display">Fog display</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Static media</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Monoscope" title="Monoscope">Monoscope</a></li> <li><a href="/wiki/Movie_projector" title="Movie projector">Movie projector</a></li> <li><a href="/wiki/Neon_sign" title="Neon sign">Neon sign</a></li> <li><a href="/wiki/Slide_projector" title="Slide projector">Slide projector</a></li> <li><a href="/wiki/Transparency_(projection)" title="Transparency (projection)">Transparency</a></li> <li><a href="/wiki/Laser_lighting_display" title="Laser lighting display">Laser beam</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Display capabilities</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Extended_Display_Identification_Data" title="Extended Display Identification Data">EDID</a> <ul><li><a href="/wiki/CEA-861" class="mw-redirect" title="CEA-861">CEA-861</a></li></ul></li> <li><a href="/wiki/DisplayID" title="DisplayID">DisplayID</a></li> <li><a href="/wiki/Always-on_display" title="Always-on display">Always-on display</a></li> <li><a href="/wiki/See-through_display" title="See-through display">See-through display</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related articles</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Scan_line" title="Scan line">Scan line</a></li> <li><a href="/wiki/History_of_display_technology" title="History of display technology">History of display technology</a></li> <li><a href="/wiki/Large-screen_television_technology" title="Large-screen television technology">Large-screen television technology</a></li> <li><a href="/wiki/Optimum_HDTV_viewing_distance" title="Optimum HDTV viewing distance">Optimum HDTV viewing distance</a></li> <li><a href="/wiki/High-dynamic-range_television" title="High-dynamic-range television">High Dynamic Range</a> (HDR)</li> <li><a href="/wiki/Color_Light_Output" title="Color Light Output">Color Light Output</a></li> <li><a href="/wiki/Flexible_display" title="Flexible display">Flexible display</a></li> <li><a href="/wiki/Comparison_of_CRT,_LCD,_plasma,_and_OLED_displays" title="Comparison of CRT, LCD, plasma, and OLED displays">Comparison of CRT, LCD, plasma, and OLED displays</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><a href="/wiki/Comparison_of_display_technology" title="Comparison of display 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