{"id":35393,"date":"2018-08-01T09:42:17","date_gmt":"2018-08-01T09:42:17","guid":{"rendered":"http:\/\/visualled.com\/?p=35393"},"modified":"2022-03-30T11:55:48","modified_gmt":"2022-03-30T09:55:48","slug":"calibrage-des-led","status":"publish","type":"glosario","link":"https:\/\/visualled.com\/fr\/glossaire\/calibrage-des-led\/","title":{"rendered":"Calibrage des led"},"content":{"rendered":"\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block stk-5abc7d2\" id=\"calibrage-des-led\" data-block-id=\"5abc7d2\"><h1 class=\"stk-block-heading__text has-text-align-center\">Calibrage des led<\/h1><\/div>\n\n\n\n\n\n\n\n<div class=\"alignfull wp-block-ugb-container ugb-container ugb-c422eab ugb-container--v2 ugb-container--design-plain ugb-main-block ugb--has-custom-content-width ugb-main-block--inner-center ugb--has-block-background\"><style>.ugb-c422eab.ugb-container > .ugb-inner-block{max-width:1440px !important}.ugb-c422eab{padding:0 !important}@media screen and (min-width:768px){.ugb-c422eab.ugb-container{margin-bottom:0px !important;padding-top:50px !important;padding-right:0px !important;padding-bottom:0px !important;padding-left:0px !important}}@media screen and (min-width:768px){.ugb-c422eab > .ugb-inner-block > .ugb-block-content > *{padding-top:0px !important}}<\/style><div class=\"ugb-inner-block ugb-inner-block--center\"><div class=\"ugb-block-content\"><div class=\"ugb-container__wrapper ugb-c422eab-wrapper\"><div class=\"ugb-container__side\"><div class=\"ugb-container__content-wrapper ugb-c422eab-content-wrapper\">\n<h2 class=\"wp-block-heading\">CALIBRAGE D\u2019UN \u00c9CRAN \u00c0 LED<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le calibrage des couleurs des LED est un processus qui est effectu\u00e9 pour assurer la coh\u00e9rence et la luminosit\u00e9 des couleurs dans tous les modules ou cartes LED d\u2019un \u00e9cran.<\/strong>\u00a0Dans les\u00a0<a href=\"\/fr\/\">\u00e9crans \u00e0 usage publicitaire<\/a>, l\u2019uniformit\u00e9 et la stabilit\u00e9 des couleurs sont d\u2019une grande importance pour offrir des images de qualit\u00e9.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">TYPES DE CALIBRAGE DE L\u2019IMAGE DE L\u2019\u00c9CRAN \u00c0 LED<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le processus qui consiste \u00e0 uniformiser les diff\u00e9rents modules \u00e0 LED les uns par rapport aux autres est connu sous le nom de<strong>\u00a0calibrage relatif<\/strong>, ou uniformit\u00e9 de l\u2019\u00e9cran.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les bons fabricants d\u2019\u00e9crans soumettent tous leurs \u00e9crans, une fois fabriqu\u00e9s, \u00e0 des processus de calibrage avant qu\u2019ils ne soient livr\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans les applications professionnelles telles que les \u00e9crans \u00e0 LED sur les plateaux de t\u00e9l\u00e9vision, non seulement l\u2019uniformit\u00e9 de l\u2019image est importante, mais aussi la repr\u00e9sentation r\u00e9elle de la couleur, qui doit \u00eatre aussi fid\u00e8le que possible \u00e0 la r\u00e9alit\u00e9. C\u2019est ce qu\u2019on appelle le\u00a0<strong>calibrage absolu<\/strong>. Ce processus entra\u00eene des co\u00fbts plus \u00e9lev\u00e9s dans la fabrication d\u2019\u00e9crans pour cette utilisation, c\u2019est pourquoi il n\u2019est recommand\u00e9 que pour la t\u00e9l\u00e9vision ou la radiodiffusion de haut niveau.<\/p>\n\n\n\n<div class=\"wp-block-ugb-columns ugb-columns ugb-81f298a ugb-columns--design-plain ugb-columns--columns-2 ugb-main-block\"><style>.ugb-81f298a-content-wrapper > .ugb-column{align-items:center !important}.ugb-81f298a-content-wrapper > .ugb-column > .ugb-inner-block{height:auto !important}<\/style><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><div class=\"ugb-columns__item ugb-81f298a-content-wrapper\">\n<div class=\"wp-block-ugb-column ugb-column ugb-b519644 ugb-column--design-plain ugb-main-block\"><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><div class=\"ugb-column__item ugb-b519644-column-wrapper\"><div class=\"ugb-column__content-wrapper\">\n<h3 class=\"wp-block-heading\"><meta charset=\"utf-8\"><strong>COMMENT CALIBRER UN \u00c9CRAN \u00c0 LED?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong>Le processus de calibrage est effectu\u00e9 avec des cam\u00e9ras sp\u00e9ciales ou des colorim\u00e8tres qui capturent et mesurent un spectre lumineux sup\u00e9rieur \u00e0 celui des cam\u00e9ras conventionnelles.<\/strong>\u00a0<\/strong>Ces cam\u00e9ras enregistrent des mod\u00e8les d\u2019images pr\u00e9d\u00e9finis et un ordinateur analyse les lectures de la cam\u00e9ra en temps r\u00e9el, puis modifie la configuration individuelle des composants de l\u2019\u00e9cran \u00e0 LED. Ce syst\u00e8me de cam\u00e9ra est accompagn\u00e9 d\u2019un logiciel qui interpr\u00e8te les donn\u00e9es de la cam\u00e9ra et doit \u00eatre compatible avec les cartes de donn\u00e9es internes de l\u2019\u00e9cran \u00e0 LED. De cette fa\u00e7on, vous pouvez reconfigurer les corrections de couleur et de luminosit\u00e9 dans le mat\u00e9riel de l\u2019\u00e9cran.<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-ugb-column ugb-column ugb-8104e67 ugb-column--design-plain ugb-main-block\"><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><div class=\"ugb-column__item ugb-8104e67-column-wrapper\"><div class=\"ugb-column__content-wrapper\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/visualled.com\/wp-content\/uploads\/2018\/08\/como-se-calibra-una-pantalla.jpg\" alt=\"La imagen tiene un atributo ALT vac\u00edo; su nombre de archivo es como-se-calibra-una-pantalla.jpg\" title=\"\"><\/figure>\n<\/div><\/div><\/div><\/div><\/div>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">FAUT-IL RECALIBRER UN ANCIEN \u00c9CRAN \u00c0 LED?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Avec le passage du temps (ann\u00e9es) et l\u2019augmentation des temp\u00e9ratures, les pics spectraux des LED vont se r\u00e9tr\u00e9cir, se propager et se modifier \u00e0 diff\u00e9rentes longueurs d\u2019onde.\u00a0 Ces alt\u00e9rations provoquent des changements de chromaticit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Par cons\u00e9quent, le r\u00e9sultat final du vieillissement des LED est une luminosit\u00e9 plus faible, un d\u00e9calage de la balance des blancs et une chromaticit\u00e9 alt\u00e9r\u00e9e des couleurs primaires et autres couleurs interm\u00e9diaires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Effectuer un calibrage une fois que l\u2019\u00e9cran est vieux de plusieurs ann\u00e9es est g\u00e9n\u00e9ralement bas\u00e9 sur une r\u00e9duction globale de la luminosit\u00e9. Pour cette raison, il est conseill\u00e9 d\u2019acqu\u00e9rir des \u00e9crans avec des LED de qualit\u00e9, car ces effets sont moins appr\u00e9ciables avec le temps et nous \u00e9vitons ce type de probl\u00e8mes dans une certaine mesure.<\/p>\n\n\n\n<div class=\"aligncenter wp-block-ugb-container ugb-container ugb-30376f8 ugb-container--v2 ugb-container--design-plain ugb-main-block ugb--has-custom-content-width\"><style>.ugb-30376f8.ugb-container > .ugb-inner-block{max-width:1440px !important}@media screen and (min-width:768px){.ugb-30376f8.ugb-container{padding-top:60px !important;padding-right:0px !important;padding-bottom:80px !important;padding-left:0px !important}}<\/style><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><div class=\"ugb-container__wrapper ugb-30376f8-wrapper\"><div class=\"ugb-container__side\"><div class=\"ugb-container__content-wrapper ugb-30376f8-content-wrapper\"><div class=\"aligncenter wp-block-ugb-blog-posts ugb-blog-posts ugb-b05b2d6 ugb-blog-posts--v2 ugb-blog-posts--design-portfolio ugb-blog-posts--columns-4 ugb-blog-posts--has-bg-color ugb-main-block ugb--has-custom-content-width\"><style>.ugb-b05b2d6 .ugb-blog-posts__title a{color:#ffffff !important}.ugb-b05b2d6 .ugb-blog-posts__title a:hover{opacity:0.8}.ugb-b05b2d6 .ugb-blog-posts__title{font-size:30px !important;font-weight:900 !important;text-transform:uppercase !important;text-align:center !important;margin-bottom:0px !important}.ugb-b05b2d6 .ugb-inner-block{text-align:center}.ugb-b05b2d6.ugb-blog-posts > .ugb-inner-block{max-width:1440px !important}.ugb-b05b2d6 .ugb-block-title{line-height:2em !important;text-align:center}.ugb-b05b2d6 .ugb-blog-posts__item{border-radius:5px !important;background-color:var(--ast-global-color-5) !important}@media screen and (min-width:768px){.ugb-b05b2d6.ugb-blog-posts{margin-top:0px !important;margin-bottom:0px !important;margin-right:0px !important;margin-left:0px !important;padding-top:0px !important;padding-right:0px !important;padding-bottom:0px !important;padding-left:0px !important}}@media screen and (min-width:768px){.ugb-b05b2d6 > .ugb-inner-block > .ugb-block-content > *{padding-top:100px !important;padding-bottom:100px !important;padding-right:0px !important;padding-left:0px !important}}<\/style> <style>.ugb-b05b2d6.ugb-blog-posts .ugb-blog-posts__title a{font-size:20px !important;text-shadow:1px 1px 1px black !important}<\/style>\r\n<div class=\"ugb-inner-block\">\r\n<h2 class=\"ugb-block-title\">Poste connexe<\/h2>\r\n<div class=\"ugb-block-content\"><article class=\"ugb-blog-posts__item\"><div class=\"ugb-blog-posts__featured-image-background\" style=\"background-image: url(https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/consumo-electrico.jpg)\"><\/div><div class=\"ugb-blog-posts__content\"><p class=\"ugb-blog-posts__title\"><a href=\"https:\/\/visualled.com\/fr\/glossaire\/consommation-electrique-des-ecrans-a-led\/\">Consommation \u00e9lectrique des \u00e9crans \u00e0 led<\/a><\/p><\/div><\/article><article class=\"ugb-blog-posts__item\"><div class=\"ugb-blog-posts__content\"><p class=\"ugb-blog-posts__title\"><a href=\"https:\/\/visualled.com\/fr\/glossaire\/duree-de-la-led\/\">Dur\u00e9e de la led<\/a><\/p><\/div><\/article><article class=\"ugb-blog-posts__item\"><div class=\"ugb-blog-posts__content\"><p class=\"ugb-blog-posts__title\"><a href=\"https:\/\/visualled.com\/fr\/glossaire\/technologies-de-protection-pour-les-modules-led-aob-et-gob\/\">Technologies de protection pour les modules LED : AOB et GOB<\/a><\/p><\/div><\/article><article class=\"ugb-blog-posts__item\"><div class=\"ugb-blog-posts__featured-image-background\" style=\"background-image: url(https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/FUENTES-DE-ALIMENTACION.jpg)\"><\/div><div class=\"ugb-blog-posts__content\"><p class=\"ugb-blog-posts__title\"><a href=\"https:\/\/visualled.com\/fr\/glossaire\/alimentation-electrique\/\">Alimentation \u00e9lectrique<\/a><\/p><\/div><\/article><\/div>\r\n<\/div>\r\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Calibrage des led CALIBRAGE D\u2019UN \u00c9CRAN \u00c0 LED Le calibrage des couleurs des LED est un processus qui est effectu\u00e9 pour assurer la coh\u00e9rence et la luminosit\u00e9 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":41841,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-35393","glosario","type-glosario","status-publish","has-post-thumbnail","hentry"],"featured_image_urls_v2":{"full":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/CALIBRACION-DEL-LED.jpg",710,400,false],"thumbnail":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/CALIBRACION-DEL-LED-150x150.jpg",150,150,true],"medium":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/CALIBRACION-DEL-LED-300x169.jpg",300,169,true],"medium_large":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/CALIBRACION-DEL-LED.jpg",710,400,false],"large":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/CALIBRACION-DEL-LED.jpg",710,400,false],"1536x1536":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/CALIBRACION-DEL-LED.jpg",710,400,false],"2048x2048":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/CALIBRACION-DEL-LED.jpg",710,400,false],"menu-24x24":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/CALIBRACION-DEL-LED.jpg",24,14,false],"menu-34x34":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/CALIBRACION-DEL-LED.jpg",34,19,false],"menu-48x48":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/CALIBRACION-DEL-LED.jpg",48,27,false]},"post_excerpt_stackable_v2":"<p>Calibrage des led CALIBRAGE D\u2019UN \u00c9CRAN \u00c0 LED Le calibrage des couleurs des LED est un processus qui est effectu\u00e9 pour assurer la coh\u00e9rence et la luminosit\u00e9 des couleurs dans tous les modules ou cartes LED d\u2019un \u00e9cran.\u00a0Dans les\u00a0\u00e9crans \u00e0 usage publicitaire, l\u2019uniformit\u00e9 et la stabilit\u00e9 des couleurs sont d\u2019une grande importance pour offrir des images de qualit\u00e9. TYPES DE CALIBRAGE DE L\u2019IMAGE DE L\u2019\u00c9CRAN \u00c0 LED Le processus qui consiste \u00e0 uniformiser les diff\u00e9rents modules \u00e0 LED les uns par rapport aux autres est connu sous le nom de\u00a0calibrage relatif, ou uniformit\u00e9 de l\u2019\u00e9cran. Les bons fabricants d\u2019\u00e9crans soumettent\u2026<\/p>\n","category_list_v2":"","author_info_v2":{"name":"Samuel Fernandez","url":"https:\/\/visualled.com\/fr\/author\/samuel\/"},"comments_num_v2":"0 commentaire","_links":{"self":[{"href":"https:\/\/visualled.com\/fr\/wp-json\/wp\/v2\/glosario\/35393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/visualled.com\/fr\/wp-json\/wp\/v2\/glosario"}],"about":[{"href":"https:\/\/visualled.com\/fr\/wp-json\/wp\/v2\/types\/glosario"}],"author":[{"embeddable":true,"href":"https:\/\/visualled.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/visualled.com\/fr\/wp-json\/wp\/v2\/comments?post=35393"}],"version-history":[{"count":0,"href":"https:\/\/visualled.com\/fr\/wp-json\/wp\/v2\/glosario\/35393\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/visualled.com\/fr\/wp-json\/wp\/v2\/media\/41841"}],"wp:attachment":[{"href":"https:\/\/visualled.com\/fr\/wp-json\/wp\/v2\/media?parent=35393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}