{"id":20993,"date":"2025-08-01T17:40:42","date_gmt":"2025-08-01T09:40:42","guid":{"rendered":"https:\/\/www.koonew.com\/?p=20993"},"modified":"2025-09-02T10:19:25","modified_gmt":"2025-09-02T02:19:25","slug":"quest-ce-que-le-projecteur-comprendre-son-principe-et-ses-types","status":"publish","type":"post","link":"https:\/\/www.koonew.com\/fr\/quest-ce-que-le-projecteur-comprendre-son-principe-et-ses-types\/","title":{"rendered":"Qu'est-ce que le projecteur ? Comprendre son principe et ses types"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"20993\" class=\"elementor elementor-20993\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f82ea3 e-con-full e-flex e-con e-parent\" data-id=\"9f82ea3\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-3e9d192 e-con-full e-flex e-con e-child\" data-id=\"3e9d192\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a122600 elementor-widget__width-initial elementor-widget elementor-widget-post-info\" data-id=\"a122600\" data-element_type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-d2e0471\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t<span class=\"elementor-post-info__item-prefix\">#<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<a href=\"https:\/\/www.koonew.com\/fr\/categorie\/blog\/produits-apprentissage\/\" class=\"elementor-post-info__terms-list-item\">Produits et apprentissage<\/a>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0335c33 elementor-widget elementor-widget-heading\" data-id=\"0335c33\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Qu'est-ce que le projecteur ? Comprendre son principe et ses types<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff49f0b elementor-widget elementor-widget-post-info\" data-id=\"ff49f0b\" data-element_type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-d2e0471\" itemprop=\"datePublished\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>08\/01\/2025<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c934246 e-con-full e-flex e-con e-child\" data-id=\"c934246\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-be44171 elementor-share-buttons--view-icon elementor-share-buttons--skin-framed elementor-share-buttons--shape-circle elementor-grid-0 elementor-share-buttons--color-official elementor-widget elementor-widget-share-buttons\" data-id=\"be44171\" data-element_type=\"widget\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-grid\" role=\"list\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_facebook\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur facebook\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-facebook\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256C504 119 393 8 256 8S8 119 8 256c0 123.78 90.69 226.38 209.25 245V327.69h-63V256h63v-54.64c0-62.15 37-96.48 93.67-96.48 27.14 0 55.52 4.84 55.52 4.84v61h-31.28c-30.8 0-40.41 19.12-40.41 38.73V256h68.78l-11 71.69h-57.78V501C413.31 482.38 504 379.78 504 256z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_x-twitter\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur x-twitter\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-x-twitter\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_pinterest\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur pinterest\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-pinterest\" viewbox=\"0 0 496 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M496 256c0 137-111 248-248 248-25.6 0-50.2-3.9-73.4-11.1 10.1-16.5 25.2-43.5 30.8-65 3-11.6 15.4-59 15.4-59 8.1 15.4 31.7 28.5 56.8 28.5 74.8 0 128.7-68.8 128.7-154.3 0-81.9-66.9-143.2-152.9-143.2-107 0-163.9 71.8-163.9 150.1 0 36.4 19.4 81.7 50.3 96.1 4.7 2.2 7.2 1.2 8.3-3.3.8-3.4 5-20.3 6.9-28.1.6-2.5.3-4.7-1.7-7.1-10.1-12.5-18.3-35.3-18.3-56.6 0-54.7 41.4-107.6 112-107.6 60.9 0 103.6 41.5 103.6 100.9 0 67.1-33.9 113.6-78 113.6-24.3 0-42.6-20.1-36.7-44.8 7-29.5 20.5-61.3 20.5-82.6 0-19-10.2-34.9-31.4-34.9-24.9 0-44.9 25.7-44.9 60.2 0 22 7.4 36.8 7.4 36.8s-24.5 103.8-29 123.2c-5 21.4-3 51.6-.9 71.2C65.4 450.9 0 361.1 0 256 0 119 111 8 248 8s248 111 248 248z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cd30b0f e-flex e-con-boxed e-con e-parent\" data-id=\"cd30b0f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-addfd0b e-con-full e-flex e-con e-child\" data-id=\"addfd0b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-ca500b5 e-con-full e-flex e-con e-child\" data-id=\"ca500b5\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4144884 elementor-hidden-desktop elementor-hidden-tablet elementor-hidden-mobile elementor-widget elementor-widget-image\" data-id=\"4144884\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"430\" src=\"https:\/\/www.koonew.com\/wp-content\/uploads\/2022\/11\/banner1-home-2-1024x430.webp\" class=\"attachment-large size-large wp-image-16960\" alt=\"\u00c9cran de projection intelligent d&#039;un fabricant de projecteurs\" srcset=\"https:\/\/www.koonew.com\/wp-content\/uploads\/2022\/11\/banner1-home-2-1024x430.webp 1024w, https:\/\/www.koonew.com\/wp-content\/uploads\/2022\/11\/banner1-home-2-300x126.webp 300w, https:\/\/www.koonew.com\/wp-content\/uploads\/2022\/11\/banner1-home-2-768x322.webp 768w, https:\/\/www.koonew.com\/wp-content\/uploads\/2022\/11\/banner1-home-2-1536x645.webp 1536w, https:\/\/www.koonew.com\/wp-content\/uploads\/2022\/11\/banner1-home-2-2048x860.webp 2048w, https:\/\/www.koonew.com\/wp-content\/uploads\/2022\/11\/banner1-home-2-18x8.webp 18w, https:\/\/www.koonew.com\/wp-content\/uploads\/2022\/11\/banner1-home-2-1064x447.webp 1064w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4311fed elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"4311fed\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Le projecteur a une longue histoire ; il est apparu dans l'Antiquit\u00e9. Mais aujourd'hui, le projecteur est entr\u00e9 dans une nouvelle \u00e8re, avec une technologie plus avanc\u00e9e et une plus grande intelligence. Qu'est-ce qu'un projecteur ?<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c11b858 elementor-widget elementor-widget-heading\" data-id=\"c11b858\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">La d\u00e9finition d'un projecteur<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-86f1d40 elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"86f1d40\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Un projecteur est un appareil optique qui projette des images, des vid\u00e9os ou des diapositives sur un \u00e9cran ou une surface en dirigeant un faisceau de lumi\u00e8re \u00e0 travers des lentilles ou des syst\u00e8mes de traitement num\u00e9rique. Il traduit les signaux d'entr\u00e9e (provenant d'ordinateurs, de DVD, etc.) en affichages visibles et est largement utilis\u00e9 dans les domaines de l'\u00e9ducation, du divertissement, des affaires et de la maison.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7616026 elementor-widget elementor-widget-heading\" data-id=\"7616026\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comment fonctionne un projecteur ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7269f10 elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"7269f10\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Le principe de fonctionnement d'un projecteur est bas\u00e9 sur la technologie de formation d'images optiques. Le signal d'image est converti en une image visible et agrandie par la source lumineuse, les \u00e9l\u00e9ments d'imagerie et le syst\u00e8me optique. Les diff\u00e9rents types de projecteurs pr\u00e9sentent des diff\u00e9rences significatives au niveau des technologies de base et des m\u00e9thodes d'imagerie.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a96313 elementor-widget elementor-widget-heading\" data-id=\"9a96313\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Le principe de fonctionnement de base des projecteurs :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4160b55 elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"4160b55\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Le processus de base d'un projecteur est divis\u00e9 en quatre \u00e9tapes :<\/p><p><strong>\u00c9mission de la source lumineuse :<\/strong>La lumi\u00e8re forte est g\u00e9n\u00e9r\u00e9e par des ampoules (lampes \u00e0 mercure \u00e0 haute pression), des LED ou des sources de lumi\u00e8re laser.<\/p><p><strong>Formation d'images :<\/strong>La lumi\u00e8re traverse des \u00e9l\u00e9ments optiques (par exemple, des panneaux \u00e0 cristaux liquides, des puces DMD) pour former des signaux d'image.<\/p><p><strong>Composition de l'image :<\/strong>Les couleurs RVB sont superpos\u00e9es \u00e0 travers un prisme ou un syst\u00e8me optique pour former une image en couleurs.<\/p><p><strong>Projection amplifi\u00e9e :<\/strong>L'image composite est agrandie par un syst\u00e8me de lentilles et projet\u00e9e sur l'\u00e9cran.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5165df1 elementor-widget elementor-widget-heading\" data-id=\"5165df1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Les types de projecteurs et leurs principales technologies d'affichage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cad43f0 elementor-widget elementor-widget-heading\" data-id=\"cad43f0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Projecteurs LCD (affichage \u00e0 cristaux liquides)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-061dfa2 elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"061dfa2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>LCD \u00e0 panneau unique :<\/strong>\u00a0Utilise un panneau LCD pour contr\u00f4ler la transmission de la lumi\u00e8re RVB. Structure simple mais couleurs et luminosit\u00e9 inf\u00e9rieures.<\/p><p><strong>LCD \u00e0 trois panneaux (3LCD) :<\/strong>\u00a0Utilise trois panneaux LCD ind\u00e9pendants pour les couleurs RVB, offrant une plus grande pr\u00e9cision des couleurs.<\/p><p><strong>Flux de travail :<\/strong><br \/>Source lumineuse \u2192 Les miroirs dichro\u00efques divisent la lumi\u00e8re en RVB.<br \/>Chaque couleur passe par l'\u00e9cran LCD, o\u00f9 la transparence des pixels est contr\u00f4l\u00e9e pour former des images monochromes.<br \/>Un prisme combine les trois images en couleurs \u2192 Projection par l'interm\u00e9diaire d'une lentille.<\/p><p><strong>Caract\u00e9ristiques :<\/strong>\u00a0Vitalit\u00e9 des couleurs \u00e9lev\u00e9e, mais contraste plus faible et sensibilit\u00e9 \u00e0 la poussi\u00e8re.<\/p><p>Koonew Projecteur Home Cin\u00e9ma LCD : <a href=\"https:\/\/www.koonew.com\/fr\/produit\/projecteur-google-tv-pour-home-cinema\/\"><strong><b>K-300A<\/b><\/strong><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-41b0c17 elementor-widget elementor-widget-heading\" data-id=\"41b0c17\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Projecteurs DLP (Digital Light Processing)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e50d8e7 elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"e50d8e7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Composante essentielle :<\/strong>\u00a0Puce DMD (Digital Micromirror Device) avec des millions de micromiroirs, chacun repr\u00e9sentant un pixel.<\/p><p><strong>Flux de travail :<\/strong><br \/>2.1. La lumi\u00e8re traverse une roue chromatique en rotation (segments RGB\/RGBW).<br \/>2.2. La lumi\u00e8re color\u00e9e se refl\u00e8te sur la puce DMD ; les micromiroirs s'inclinent (\u00b112\u00b0) pour diriger la lumi\u00e8re vers l'objectif ou l'en \u00e9loigner.<br \/>2.3. Le mouvement rapide du miroir cr\u00e9e des images en niveaux de gris et en couleurs par le biais d'un m\u00e9lange temporel.<\/p><p><strong>DLP monopuce :<\/strong>\u00a0Compact, \u00e9conomique, mais peut pr\u00e9senter l'\"effet arc-en-ciel\" (artefacts de s\u00e9paration des couleurs).<\/p><p><strong>DLP \u00e0 trois puces :<\/strong>\u00a0Utilise des DMD s\u00e9par\u00e9s pour le RVB, ce qui \u00e9limine l'effet arc-en-ciel. Utilis\u00e9 dans les applications haut de gamme.<\/p><p><strong>Caract\u00e9ristiques :<\/strong>\u00a0Contraste \u00e9lev\u00e9, flou de mouvement minimal et conception \u00e9tanche r\u00e9sistante \u00e0 la poussi\u00e8re.<\/p><p>Koonew Mini projecteur DLP rechargeable : <a href=\"https:\/\/www.koonew.com\/fr\/produit\/mini-projecteur-portable-intelligent\/\"><strong><b>A-2341G<\/b><\/strong><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-233b0bd elementor-widget elementor-widget-heading\" data-id=\"233b0bd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Projecteurs CRT (Cathode Ray Tube)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1757e6c elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"1757e6c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Principe de la technologie :<\/strong>\u00a0Trois tubes CRT \u00e9mettent des faisceaux d'\u00e9lectrons pour exciter des phosphores RVB, g\u00e9n\u00e9rant des images projet\u00e9es par des lentilles.<\/p><p><strong>Flux de travail :<\/strong><br \/>3.1. Le signal d'entr\u00e9e est divis\u00e9 en canaux RVB.<br \/>3.2. Des faisceaux d'\u00e9lectrons balaient les \u00e9crans phosphorescents pour cr\u00e9er des images monochromes.<br \/>3.3. Les optiques fusionnent et projettent l'image combin\u00e9e.<\/p><p><strong>Caract\u00e9ristiques :<\/strong>\u00a0Graduation des couleurs exceptionnelle, mais encombrant, peu lumineux et en grande partie obsol\u00e8te.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c9f9c5e elementor-widget elementor-widget-heading\" data-id=\"c9f9c5e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Projecteurs LCOS (cristaux liquides sur silicium)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15af508 elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"15af508\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Principe de la technologie :<\/strong>\u00a0Hybride de LCD et DLP, les panneaux LC r\u00e9fl\u00e9chissants modulent la lumi\u00e8re par pixel.<\/p><p><strong>Caract\u00e9ristiques :<\/strong>\u00a0Haute r\u00e9solution avec une visibilit\u00e9 minimale de la grille de pixels, id\u00e9ale pour les environnements professionnels mais co\u00fbteuse.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-530fbe0 elementor-widget elementor-widget-heading\" data-id=\"530fbe0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Autres classifications de projecteurs - par source lumineuse et par application<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20543c1 elementor-widget elementor-widget-heading\" data-id=\"20543c1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Par source de lumi\u00e8re :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4091fc elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"b4091fc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Projecteurs \u00e0 lampe traditionnelle (UHP\/UHE, etc.)<\/p><p>Avantages :<\/p><p>Haute luminosit\u00e9 : Jusqu'\u00e0 3 000-5 000 lumens en mode pleine puissance, adapt\u00e9 aux environnements lumineux.<\/p><p>Faible co\u00fbt : Technologie mature avec des ampoules et des remplacements abordables.<\/p><p>Couleurs naturelles : Le spectre continu de la lumi\u00e8re blanche garantit une bonne pr\u00e9cision des couleurs (en particulier sur les mod\u00e8les 3LCD).<\/p><p>Inconv\u00e9nients :<\/p><p>Dur\u00e9e de vie courte : Les ampoules ne durent que 2 000 \u00e0 5 000 heures (jusqu'\u00e0 10 000 heures en mode \u00e9co).<\/p><p>Baisse de luminosit\u00e9 : La diminution progressive de la luminosit\u00e9 au fil du temps affecte la stabilit\u00e9 de l'image.<\/p><p>Chaleur et bruit : Des syst\u00e8mes de refroidissement sont n\u00e9cessaires, ce qui entra\u00eene un bruit de ventilateur (30-40 dB).<\/p><p>D\u00e9marrage lent : N\u00e9cessite un temps de pr\u00e9chauffage et de refroidissement, ce qui emp\u00eache la mise en marche et l'arr\u00eat instantan\u00e9s.<\/p><p>Applications typiques : Sc\u00e9narios d'enseignement et d'entreprise o\u00f9 la rentabilit\u00e9 et la luminosit\u00e9 \u00e9lev\u00e9e sont des priorit\u00e9s.<\/p><p>Projecteurs LED<\/p><p>Avantages :<\/p><p>Longue dur\u00e9e de vie : Jusqu'\u00e0 20 000-30 000 heures, presque sans entretien.<\/p><p>Efficacit\u00e9 \u00e9nerg\u00e9tique : Faible consommation d'\u00e9nergie, sans mercure et respectueux de l'environnement.<\/p><p>Taille compacte : La petite source lumineuse permet des conceptions portables\/miniatures.<\/p><p>Mise en marche et arr\u00eat instantan\u00e9s : pas besoin d'\u00e9chauffement, r\u00e9ponse rapide.<\/p><p>Inconv\u00e9nients :<\/p><p>Limitation de la luminosit\u00e9 : G\u00e9n\u00e9ralement inf\u00e9rieure \u00e0 1 500 lumens, elle ne convient pas aux environnements lumineux.<\/p><p>Couleurs sursatur\u00e9es : Certains mod\u00e8les bas de gamme augmentent la saturation, ce qui entra\u00eene une distorsion des couleurs.<\/p><p>Contraintes thermiques : Les diodes \u00e9lectroluminescentes \u00e0 haute luminosit\u00e9 n\u00e9cessitent un refroidissement complexe, ce qui augmente la taille et le bruit.<\/p><p>Applications typiques : Projecteurs domestiques portables, visionnage nocturne, camping (sc\u00e9narios \u00e0 faible luminosit\u00e9).<\/p><p>Koonew Projecteur LED portable intelligent : A-1363G<\/p><p>Projecteurs laser<\/p><p>Avantages :<\/p><p>Luminosit\u00e9 et efficacit\u00e9 tr\u00e8s \u00e9lev\u00e9es : Plus de 4 000 lumens, 30% plus efficace que les lampes.<\/p><p>Longue dur\u00e9e de vie : plus de 20 000 heures avec une d\u00e9gradation n\u00e9gligeable.<\/p><p>Large gamme de couleurs et contraste : Trois lasers primaires couvrent \u2265150% sRGB ; rapport de contraste jusqu'\u00e0 3 000:1.<\/p><p>Peu d'entretien : Les chemins optiques scell\u00e9s r\u00e9duisent la p\u00e9n\u00e9tration de la poussi\u00e8re (en particulier dans les mod\u00e8les DLP).<\/p><p>Inconv\u00e9nients :<\/p><p>Co\u00fbt \u00e9lev\u00e9 : Les lasers \u00e0 trois primaires sont complexes et co\u00fbteux.<\/p><p>Probl\u00e8me de chatoiement : La coh\u00e9rence du laser provoque un bruit de tamisage, att\u00e9nu\u00e9 par des tamis vibrants ou des diffuseurs.<\/p><p>\u00c9cart de couleur dans les lasers monochromes : Faible performance dans le rouge due \u00e0 la conversion du phosphore.<\/p><p>Applications typiques :<\/p><p>Home cin\u00e9mas haut de gamme, cin\u00e9mas num\u00e9riques, expositions (trois lasers primaires).<\/p><p>Utilisation commerciale et domestique moyenne (lasers monochromes\/bicolores).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb1f676 elementor-widget elementor-widget-heading\" data-id=\"eb1f676\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Par application :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4b3a95 elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"a4b3a95\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>En fonction des sc\u00e9narios d'application, les projecteurs peuvent \u00e9galement \u00eatre class\u00e9s comme suit : projecteurs de cin\u00e9ma \u00e0 domicile, projecteurs portables, projecteurs pour l'\u00e9ducation, projecteurs pour les entreprises, projecteurs pour les grandes salles, etc.<br \/>Koonew Projecteur laser 4K haute luminosit\u00e9 : HD50V<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37e8778 elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"37e8778\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Voir l'article correspondant :<\/strong>\u00a0<a href=\"https:\/\/www.koonew.com\/fr\/comment-choisir-le-projecteur-qui-vous-convient-demarrer\/\">Comment choisir le projecteur qui vous convient le mieux (Getting Start)<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0992a30 e-con-full elementor-hidden-mobile e-flex e-con e-child\" data-id=\"0992a30\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9a11cd2 e-con-full elementor-hidden-mobile e-flex e-con e-child\" data-id=\"9a11cd2\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-cf5396b e-con-full e-flex e-con e-child\" data-id=\"cf5396b\" data-element_type=\"container\" data-settings=\"{&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;],&quot;sticky_offset&quot;:60,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;sticky_effects_offset&quot;:0,&quot;sticky_anchor_link_offset&quot;:0}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-410c1c2 elementor-widget elementor-widget-table-of-contents\" data-id=\"410c1c2\" data-element_type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;marker_view&quot;:&quot;bullets&quot;,&quot;icon&quot;:{&quot;value&quot;:&quot;&quot;,&quot;library&quot;:&quot;&quot;},&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:0,&quot;sizes&quot;:[]},&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t<h2 class=\"elementor-toc__header-title\">\n\t\t\t\tNavigation rapide\t\t\t<\/h2>\n\t\t\t\t\t<\/div>\n\t\t<div id=\"elementor-toc__410c1c2\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-66cfb9d e-con-full e-flex e-con e-child\" data-id=\"66cfb9d\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-29cd181 elementor-widget elementor-widget-image\" data-id=\"29cd181\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.koonew.com\/fr\/produit\/projecteur-de-bureau-projecteur-laser-a-focale-ultra-courte\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1500\" height=\"1500\" src=\"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/07\/HD50V-1.webp\" class=\"attachment-full size-full wp-image-20803\" alt=\"\" srcset=\"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/07\/HD50V-1.webp 1500w, https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/07\/HD50V-1-300x300.webp 300w, https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/07\/HD50V-1-1024x1024.webp 1024w, https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/07\/HD50V-1-150x150.webp 150w, https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/07\/HD50V-1-768x768.webp 768w, https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/07\/HD50V-1-12x12.webp 12w, https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/07\/HD50V-1-1064x1064.webp 1064w, https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/07\/HD50V-1-200x200.webp 200w\" sizes=\"(max-width: 1500px) 100vw, 1500px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d472ea elementor-widget elementor-widget-heading\" data-id=\"1d472ea\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.koonew.com\/fr\/produit\/projecteur-de-bureau-projecteur-laser-a-focale-ultra-courte\/\">Koonew 4K DLP Laser Projector I HD50V<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-863ab16 elementor-widget elementor-widget-heading\" data-id=\"863ab16\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Soyez le premier \u00e0 savoir<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd4b26a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"cd4b26a\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e6bbef5 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"e6bbef5\" data-element_type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"20993\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"e6bbef5\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"KOONEW\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-lg  elementor-field-textual\" placeholder=\"Saisissez votre adresse \u00e9lectronique\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-lg\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">S'abonner<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez les projecteurs, leurs principes et les types de projecteurs tels que LCD, DLP, CRT et LCOS, y compris les classifications par source de lumi\u00e8re et par application.<\/p>","protected":false},"author":1,"featured_media":21266,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-20993","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products-learning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the projector?\u00a0Understand its principle and types<\/title>\n<meta name=\"description\" content=\"Learn about projectors, their principles, and types like LCD, DLP, CRT, and LCOS, including classifications by light source and application.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.koonew.com\/fr\/quest-ce-que-le-projecteur-comprendre-son-principe-et-ses-types\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the projector?\u00a0Understand its principle and types\" \/>\n<meta property=\"og:description\" content=\"Learn about projectors, their principles, and types like LCD, DLP, CRT, and LCOS, including classifications by light source and application.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.koonew.com\/fr\/quest-ce-que-le-projecteur-comprendre-son-principe-et-ses-types\/\" \/>\n<meta property=\"og:site_name\" content=\"KOONEW\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-01T09:40:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-02T02:19:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/08\/what-is-projector.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"430\" \/>\n\t<meta property=\"og:image:height\" content=\"290\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"KOONEW\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"KOONEW\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/\"},\"author\":{\"name\":\"KOONEW\",\"@id\":\"https:\/\/www.koonew.com\/#\/schema\/person\/adefc5aeb70c75aee6df878a65a6b24d\"},\"headline\":\"What is the projector?\u00a0Understand its principle and types\",\"datePublished\":\"2025-08-01T09:40:42+00:00\",\"dateModified\":\"2025-09-02T02:19:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/\"},\"wordCount\":885,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.koonew.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/08\/what-is-projector.webp\",\"articleSection\":[\"Products &amp; Learning\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/\",\"url\":\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/\",\"name\":\"What is the projector?\u00a0Understand its principle and types\",\"isPartOf\":{\"@id\":\"https:\/\/www.koonew.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/08\/what-is-projector.webp\",\"datePublished\":\"2025-08-01T09:40:42+00:00\",\"dateModified\":\"2025-09-02T02:19:25+00:00\",\"description\":\"Learn about projectors, their principles, and types like LCD, DLP, CRT, and LCOS, including classifications by light source and application.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#primaryimage\",\"url\":\"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/08\/what-is-projector.webp\",\"contentUrl\":\"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/08\/what-is-projector.webp\",\"width\":430,\"height\":290},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.koonew.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What is the projector?\u00a0Understand its principle and types\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.koonew.com\/#website\",\"url\":\"https:\/\/www.koonew.com\/\",\"name\":\"KOONEW\",\"description\":\"Premier Manufacturer of Home Theater Projectors Worldwide\",\"publisher\":{\"@id\":\"https:\/\/www.koonew.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.koonew.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.koonew.com\/#organization\",\"name\":\"KOONEW\",\"url\":\"https:\/\/www.koonew.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.koonew.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/04\/koonew-site-icon.webp\",\"contentUrl\":\"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/04\/koonew-site-icon.webp\",\"width\":250,\"height\":250,\"caption\":\"KOONEW\"},\"image\":{\"@id\":\"https:\/\/www.koonew.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.koonew.com\/#\/schema\/person\/adefc5aeb70c75aee6df878a65a6b24d\",\"name\":\"KOONEW\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.koonew.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/99069dd72baf8dc3e3ab69c267262a667008a74722d4a746e244ced76d15fbb0?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/99069dd72baf8dc3e3ab69c267262a667008a74722d4a746e244ced76d15fbb0?s=96&d=mm&r=g\",\"caption\":\"KOONEW\"},\"sameAs\":[\"http:\/\/www.koonew.com\"],\"url\":\"https:\/\/www.koonew.com\/fr\/author\/koonew\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What is the projector?\u00a0Understand its principle and types","description":"Learn about projectors, their principles, and types like LCD, DLP, CRT, and LCOS, including classifications by light source and application.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.koonew.com\/fr\/quest-ce-que-le-projecteur-comprendre-son-principe-et-ses-types\/","og_locale":"fr_FR","og_type":"article","og_title":"What is the projector?\u00a0Understand its principle and types","og_description":"Learn about projectors, their principles, and types like LCD, DLP, CRT, and LCOS, including classifications by light source and application.","og_url":"https:\/\/www.koonew.com\/fr\/quest-ce-que-le-projecteur-comprendre-son-principe-et-ses-types\/","og_site_name":"KOONEW","article_published_time":"2025-08-01T09:40:42+00:00","article_modified_time":"2025-09-02T02:19:25+00:00","og_image":[{"width":430,"height":290,"url":"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/08\/what-is-projector.webp","type":"image\/webp"}],"author":"KOONEW","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"KOONEW","Dur\u00e9e de lecture estim\u00e9e":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#article","isPartOf":{"@id":"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/"},"author":{"name":"KOONEW","@id":"https:\/\/www.koonew.com\/#\/schema\/person\/adefc5aeb70c75aee6df878a65a6b24d"},"headline":"What is the projector?\u00a0Understand its principle and types","datePublished":"2025-08-01T09:40:42+00:00","dateModified":"2025-09-02T02:19:25+00:00","mainEntityOfPage":{"@id":"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/"},"wordCount":885,"commentCount":0,"publisher":{"@id":"https:\/\/www.koonew.com\/#organization"},"image":{"@id":"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#primaryimage"},"thumbnailUrl":"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/08\/what-is-projector.webp","articleSection":["Products &amp; Learning"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/","url":"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/","name":"What is the projector?\u00a0Understand its principle and types","isPartOf":{"@id":"https:\/\/www.koonew.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#primaryimage"},"image":{"@id":"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#primaryimage"},"thumbnailUrl":"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/08\/what-is-projector.webp","datePublished":"2025-08-01T09:40:42+00:00","dateModified":"2025-09-02T02:19:25+00:00","description":"Learn about projectors, their principles, and types like LCD, DLP, CRT, and LCOS, including classifications by light source and application.","breadcrumb":{"@id":"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#primaryimage","url":"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/08\/what-is-projector.webp","contentUrl":"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/08\/what-is-projector.webp","width":430,"height":290},{"@type":"BreadcrumbList","@id":"https:\/\/www.koonew.com\/what-is-the-projector-understand-its-principle-and-types\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.koonew.com\/"},{"@type":"ListItem","position":2,"name":"What is the projector?\u00a0Understand its principle and types"}]},{"@type":"WebSite","@id":"https:\/\/www.koonew.com\/#website","url":"https:\/\/www.koonew.com\/","name":"KOONEW","description":"Premier Manufacturer of Home Theater Projectors Worldwide","publisher":{"@id":"https:\/\/www.koonew.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.koonew.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.koonew.com\/#organization","name":"KOONEW","url":"https:\/\/www.koonew.com\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.koonew.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/04\/koonew-site-icon.webp","contentUrl":"https:\/\/www.koonew.com\/wp-content\/uploads\/2025\/04\/koonew-site-icon.webp","width":250,"height":250,"caption":"KOONEW"},"image":{"@id":"https:\/\/www.koonew.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.koonew.com\/#\/schema\/person\/adefc5aeb70c75aee6df878a65a6b24d","name":"KOONEW","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.koonew.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/99069dd72baf8dc3e3ab69c267262a667008a74722d4a746e244ced76d15fbb0?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/99069dd72baf8dc3e3ab69c267262a667008a74722d4a746e244ced76d15fbb0?s=96&d=mm&r=g","caption":"KOONEW"},"sameAs":["http:\/\/www.koonew.com"],"url":"https:\/\/www.koonew.com\/fr\/author\/koonew\/"}]}},"_links":{"self":[{"href":"https:\/\/www.koonew.com\/fr\/wp-json\/wp\/v2\/posts\/20993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.koonew.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.koonew.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.koonew.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.koonew.com\/fr\/wp-json\/wp\/v2\/comments?post=20993"}],"version-history":[{"count":0,"href":"https:\/\/www.koonew.com\/fr\/wp-json\/wp\/v2\/posts\/20993\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.koonew.com\/fr\/wp-json\/wp\/v2\/media\/21266"}],"wp:attachment":[{"href":"https:\/\/www.koonew.com\/fr\/wp-json\/wp\/v2\/media?parent=20993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.koonew.com\/fr\/wp-json\/wp\/v2\/categories?post=20993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.koonew.com\/fr\/wp-json\/wp\/v2\/tags?post=20993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}