{"id":35404,"date":"2018-07-31T12:22:36","date_gmt":"2018-07-31T10:22:36","guid":{"rendered":"http:\/\/visualled.com\/?p=35404"},"modified":"2025-08-29T09:28:32","modified_gmt":"2025-08-29T07:28:32","slug":"contraste","status":"publish","type":"glosario","link":"https:\/\/visualled.com\/fr\/glossaire\/contraste\/","title":{"rendered":"Contraste"},"content":{"rendered":"\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-639de4d\" id=\"contraste\" data-block-id=\"639de4d\"><h1 class=\"stk-block-heading__text has-text-align-center stk-block-heading--use-theme-margins\">CONTRASTE<\/h1><\/div>\n\n\n\n\n\n\n\n<div class=\"alignfull wp-block-ugb-container ugb-container ugb-d210928 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-d210928.ugb-container > .ugb-inner-block{max-width:1440px !important}.ugb-d210928{padding:0 !important}@media screen and (min-width:768px){.ugb-d210928.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-d210928 > .ugb-inner-block > .ugb-block-content > *{padding-top:35px !important}}<\/style><div class=\"ugb-inner-block ugb-inner-block--center\"><div class=\"ugb-block-content\"><div class=\"ugb-container__wrapper ugb-d210928-wrapper\"><div class=\"ugb-container__side\"><div class=\"ugb-container__content-wrapper ugb-d210928-content-wrapper\">\n<h2 class=\"wp-block-heading has-text-align-center\">QU&rsquo;EST-CE QUE LE CONTRASTE?<\/h2>\n\n\n\n<div class=\"wp-block-ugb-spacer ugb-spacer ugb-3b423af ugb-spacer--v2 ugb-main-block\"><style>@media screen and (min-width:768px){.ugb-3b423af.ugb-spacer{height:20px !important}}<\/style><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><div class=\"ugb-spacer--inner\"><\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le contraste des&nbsp;<a href=\"\/fr\/\">\u00e9crans \u00e0 LED publicitaires<\/a>&nbsp;est la diff\u00e9rence maximale d\u2019intensit\u00e9 lumineuse dans la gamme des blancs par rapport \u00e0 la gamme des noirs. Le ratio de contraste ou rapport de contraste est exprim\u00e9 sous la forme d\u2019un rapport X : 1 et montre la diff\u00e9rence entre le blanc le plus clair et le noir le plus fonc\u00e9 qui peut \u00eatre vu sur l\u2019\u00e9cran \u00e0 LED publicitaire.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plus ce rapport est \u00e9lev\u00e9, plus le syst\u00e8me sera capable de reproduire des tons interm\u00e9diaires, offrant ainsi une meilleure plage dynamique et une plus grande capacit\u00e9 de reproduction des couleurs.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"alignfull wp-block-ugb-container ugb-container ugb-42be915 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-42be915.ugb-container > .ugb-inner-block{max-width:1440px !important}.ugb-42be915{padding:0 !important}@media screen and (min-width:768px){.ugb-42be915.ugb-container{padding-top:20px !important;padding-right:0px !important;padding-left:0px !important}}<\/style><div class=\"ugb-inner-block ugb-inner-block--center\"><div class=\"ugb-block-content\"><div class=\"ugb-container__wrapper ugb-42be915-wrapper\"><div class=\"ugb-container__side\"><div class=\"ugb-container__content-wrapper ugb-42be915-content-wrapper\">\n<h2 class=\"wp-block-heading\">QUELLE EST LA DIFF\u00c9RENCE ENTRE CONTRASTE R\u00c9EL ET CONTRASTE DYNAMIQUE?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le contraste r\u00e9el mesure la diff\u00e9rence entre un pixel noir et un pixel blanc en un seul instant,<\/strong>&nbsp;et ses chiffres sont g\u00e9n\u00e9ralement faibles (800 : 1, 1000 : 1, 1600 : 1 \u2026). Si vous utilisez votre \u00e9cran pour des images statiques telles que la conception graphique ou la retouche photo, vous devez faire attention \u00e0 ce chiffre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le contraste dynamique, lui, est une mesure de la commodit\u00e9 des fabricants qui mesure \u00e0 quel point un pixel varie du noir au blanc (ou entre les gris) sur une p\u00e9riode de temps.<\/strong>&nbsp;Ce chiffre ne d\u00e9pend pas de la technologie physique, comme le contraste r\u00e9el, mais des algorithmes logiciels et du traitement des images. Son chiffre est g\u00e9n\u00e9ralement beaucoup plus \u00e9lev\u00e9 que le chiffre r\u00e9el (20.000 : 1, 50.000 : 1, 100.000 : 1 ou m\u00eame plus). Le rapport de contraste dynamique est une mesure assez relative, mais il peut \u00eatre utile pour mesurer la qualit\u00e9 du contraste des images en mouvement.<\/p>\n\n\n\n<div class=\"wp-block-ugb-spacer ugb-spacer ugb-846b7f8 ugb-spacer--v2 ugb-main-block\"><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><div class=\"ugb-spacer--inner\"><\/div><\/div><\/div><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"670\" height=\"292\" src=\"https:\/\/visualled.com\/wp-content\/uploads\/2022\/04\/contrast-EN.jpg\" alt=\"\" class=\"wp-image-66293\" title=\"\" srcset=\"\/\/visualled.com\/wp-content\/uploads\/2022\/04\/contrast-EN.jpg 670w, \/\/visualled.com\/wp-content\/uploads\/2022\/04\/contrast-EN-300x131.jpg 300w, \/\/visualled.com\/wp-content\/uploads\/2022\/04\/contrast-EN-24x10.jpg 24w, \/\/visualled.com\/wp-content\/uploads\/2022\/04\/contrast-EN-34x15.jpg 34w, \/\/visualled.com\/wp-content\/uploads\/2022\/04\/contrast-EN-48x21.jpg 48w, \/\/visualled.com\/wp-content\/uploads\/2022\/04\/contrast-EN-600x261.jpg 600w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/figure>\n<\/div><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"alignfull wp-block-ugb-container ugb-container ugb-4f981e1 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-4f981e1.ugb-container > .ugb-inner-block{max-width:1440px !important}.ugb-4f981e1{padding:0 !important}@media screen and (min-width:768px){.ugb-4f981e1.ugb-container{padding-top:20px !important;padding-right:0px !important;padding-left:0px !important}}<\/style><div class=\"ugb-inner-block ugb-inner-block--center\"><div class=\"ugb-block-content\"><div class=\"ugb-container__wrapper ugb-4f981e1-wrapper\"><div class=\"ugb-container__side\"><div class=\"ugb-container__content-wrapper ugb-4f981e1-content-wrapper\">\n<h2 class=\"wp-block-heading\">CONTRASTE DES LEDS NOIRES (Black LED) SUR \u00c9CRAN \u00e0 LED. SONT-ELLES MEILLEURES?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong>Actuellement, dans les\u00a0<a href=\"https:\/\/visualled.com\/fr\/ecran-led-interieur\/\">\u00e9crans \u00e0 LED d\u2019int\u00e9rieur<\/a>\u00a0ont \u00e9t\u00e9 con\u00e7us des LED SMD qui sont commercialement appel\u00e9s Black LED (il existe d\u2019autres noms commerciaux), o\u00f9 le rev\u00eatement de r\u00e9sine a \u00e9t\u00e9 teint dans un ton noir ou fonc\u00e9.\u00a0<\/strong><\/strong>De cette fa\u00e7on, le contraste de l\u2019image est augment\u00e9 lorsque nous avons tendance \u00e0 la noircir. Cependant, son contraste est p\u00e9nalis\u00e9 quand nous avons tendance \u00e0 la blanchir, nous restons donc \u00e9gaux aux niveaux de contraste, c\u2019est donc plus un outil de marketing qu\u2019une valeur importante \u00e0 garder \u00e0 l\u2019esprit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"calculadora-form \">\n    <div class=\"calculadora-contenedor\">\n        <form action=\"https:\/\/visualled.com\/wp-content\/themes\/visualled-child\/calculadora\/calc.php\" class=\"calform\" method=\"POST\">\n\n            <div class=\"intro\">\n                <div class=\"texto\">\n                    <h2>CALCULATEUR DE PRIX DES \u00c9CRANS \u00c0 LED<\/h2>\n                    <p>Introduisez la mesure souhait\u00e9e et vous obtiendrez automatiquement le meilleur prix du march\u00e9.<\/p>\n                <\/div>\n            <\/div>\n            <ul>\n                                \n                    \n\n                    <li class=\"largo\">\n                        <i class=\"fas fa-arrows-alt-h\"><\/i>\n                        <input type=\"text\" name=\"width\" value=\"\" required pattern=\"[0-9]*\" inputmode=\"numeric\" placeholder=\"Largeur\">\n                    <\/li>\n\n                    <li class=\"alto\">\n                        <i class=\"fas fa-arrows-alt-v\"><\/i>\n                        <input type=\"text\" name=\"height\" value=\"\" required pattern=\"[0-9]*\" inputmode=\"numeric\" placeholder=\"Hauteur\">\n                    <\/li>\n\n                                            <li class=\"ubicacion\">\n                            <i class=\"fas fa-umbrella\"><\/i>\n                            <select name=\"location\" required>\n                                <option  value=\"1\">Non prot\u00e9g\u00e9 de la pluie<\/option>\n                                <option  value=\"2\"><i class=\"fas fa-umbrella\"><\/i> Prot\u00e9g\u00e9 de la pluie<\/option>\n                            <\/select>\n                        <\/li>\n                    \n                \n                <li class=\"boton-ofertas\">\n                    <button type=\"submit\"><i class=\"fas fa-search-dollar\"><\/i> CALCULER LE PRIX<\/button>\n                    <!-- <a href=\"\"><i class=\"fa fa-info-circle\"><\/i><\/a> -->\n                <\/li>\n\n            <\/ul>\n\n            <input type=\"hidden\" name=\"page\" value=\"search\">\n            <input type=\"hidden\" name=\"ofertaPage\" value=\"https:\/\/visualled.com\/fr\/detail-offre\/\">\n                                <\/form>\n    <\/div>\n    <div class=\"calloading\" style=\"display:none\">\n        <div class=\"carga\">\n            <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" style=\"margin:-150px auto 0; background: transparent; display: block;\" width=\"500px\" height=\"200px\" viewBox=\"0 0 100 100\" preserveAspectRatio=\"xMidYMid\">\n                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keySplines=\"0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1\" begin=\"0s\"><\/animate>\n                <\/circle>\n                <circle cx=\"50\" cy=\"50\" r=\"10\" fill=\"#f8ec84\">\n                    <animate attributeName=\"r\" repeatCount=\"indefinite\" dur=\"1s\" calcMode=\"spline\" keyTimes=\"0;0.25;0.5;0.75;1\" values=\"0;0;10;10;10\" keySplines=\"0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1\" begin=\"-0.25s\"><\/animate>\n                    <animate attributeName=\"cx\" repeatCount=\"indefinite\" dur=\"1s\" calcMode=\"spline\" keyTimes=\"0;0.25;0.5;0.75;1\" values=\"16;16;16;50;84\" keySplines=\"0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1\" begin=\"-0.25s\"><\/animate>\n                <\/circle>\n                <circle cx=\"84\" cy=\"50\" r=\"10\" fill=\"#34a638\">\n                    <animate attributeName=\"r\" repeatCount=\"indefinite\" dur=\"1s\" calcMode=\"spline\" keyTimes=\"0;0.25;0.5;0.75;1\" values=\"0;0;10;10;10\" keySplines=\"0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1\" begin=\"-0.5s\"><\/animate>\n                    <animate attributeName=\"cx\" repeatCount=\"indefinite\" dur=\"1s\" calcMode=\"spline\" keyTimes=\"0;0.25;0.5;0.75;1\" values=\"16;16;16;50;84\" keySplines=\"0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1\" begin=\"-0.5s\"><\/animate>\n                <\/circle>\n                <circle cx=\"16\" cy=\"50\" r=\"10\" fill=\"#23bbee\">\n                    <animate attributeName=\"r\" repeatCount=\"indefinite\" dur=\"1s\" calcMode=\"spline\" keyTimes=\"0;0.25;0.5;0.75;1\" values=\"0;0;10;10;10\" keySplines=\"0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1\" begin=\"-0.75s\"><\/animate>\n                    <animate attributeName=\"cx\" repeatCount=\"indefinite\" dur=\"1s\" calcMode=\"spline\" keyTimes=\"0;0.25;0.5;0.75;1\" values=\"16;16;16;50;84\" keySplines=\"0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1;0 0.5 0.5 1\" begin=\"-0.75s\"><\/animate>\n                <\/circle>\n            <\/svg>\n        <\/div>\n    <\/div>\n    <div class=\"calresults\"><\/div>\n    <div id=\"modal-size-variants\" class=\"modal\">\n        <div class=\"contenedor-variant\">\n            <div class=\"img\">\n                <img decoding=\"async\" src=\"https:\/\/media.visualled.com\/images\/pantalla-led-960-960-111024.webp\" id=\"modal-size-variants-img\" data-skip-lazy=\"1\" alt=\"\" title=\"\">\n            <\/div>\n            <div class=\"precios\">\n                <p class=\"available-sizes\">Tailles disponibles<\/p>\n                \n                <div class=\"seleccion-precios\">\n                    <p>Choisissez l&rsquo;une des tailles<\/p>\n                    <div id=\"size-options\"><\/div>\n                    <button id=\"size-options-button\">VOIR PLUS D&rsquo;INFORMATIONS <\/button>\n                <\/div>\n                <!-- <div class=\"incluye\">\n                    <h3>Comprend<\/h3>\n                    <div class=\"iconos\">\n                        <div class=\"1\">\n                            <img decoding=\"async\" src=\"https:\/\/visualled.com\/img\/incluye-cabinets.webp\" alt=\"incluye cabinets\" title=\"\">\n                            <p>\u00c9cran modulaire<\/p>\n                        <\/div>\n                        <div class=\"2\">\n                            <img decoding=\"async\" src=\"https:\/\/visualled.com\/img\/incluye-play.webp\" alt=\"incluye cabinets\" title=\"\">\n                            <p>Joueur<\/p>\n                        <\/div>\n                        <div class=\"3\">\n                            <img decoding=\"async\" src=\"https:\/\/visualled.com\/img\/incluye-soft.webp\" alt=\"incluye cabinets\" title=\"\">\n                            <p>Logiciel<\/p>\n                        <\/div>\n                        <div class=\"4\">\n                            <img decoding=\"async\" src=\"https:\/\/visualled.com\/img\/incluye-manuales.webp\" alt=\"incluye cabinets\" title=\"\">\n                            <p>Manuels<\/p>\n                        <\/div>\n                    <\/div>\n                <\/div> -->\n            <\/div>\n\n        <\/div>\n    <\/div>\n<\/div>\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\/distancia-de-vision-1.jpg)\"><\/div><div class=\"ugb-blog-posts__content\"><p class=\"ugb-blog-posts__title\"><a href=\"https:\/\/visualled.com\/fr\/glossaire\/distance-de-vision\/\">Distance de vision<\/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\/placas-led.jpg)\"><\/div><div class=\"ugb-blog-posts__content\"><p class=\"ugb-blog-posts__title\"><a href=\"https:\/\/visualled.com\/fr\/glossaire\/module-a-led-platine-a-led\/\">Module \u00e0 Led \/ Platine \u00e0 Led<\/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\/LED-SMD.jpg)\"><\/div><div class=\"ugb-blog-posts__content\"><p class=\"ugb-blog-posts__title\"><a href=\"https:\/\/visualled.com\/fr\/glossaire\/led-smd\/\">LED SMD<\/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\/2018\/08\/led.jpg)\"><\/div><div class=\"ugb-blog-posts__content\"><p class=\"ugb-blog-posts__title\"><a href=\"https:\/\/visualled.com\/fr\/glossaire\/led-light-emitting-diode\/\">LED (light emitting diode)<\/a><\/p><\/div><\/article><\/div>\r\n<\/div>\r\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>CONTRASTE QU&rsquo;EST-CE QUE LE CONTRASTE? Le contraste des&nbsp;\u00e9crans \u00e0 LED publicitaires&nbsp;est la diff\u00e9rence maximale d\u2019intensit\u00e9 lumineuse dans la gamme des blancs par rapport \u00e0 la gamme des [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":41860,"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":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-35404","glosario","type-glosario","status-publish","has-post-thumbnail","hentry"],"featured_image_urls_v2":{"full":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/contraste-1.jpg",710,400,false],"thumbnail":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/contraste-1-150x150.jpg",150,150,true],"medium":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/contraste-1-300x169.jpg",300,169,true],"medium_large":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/contraste-1.jpg",710,400,false],"large":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/contraste-1.jpg",710,400,false],"1536x1536":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/contraste-1.jpg",710,400,false],"2048x2048":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/contraste-1.jpg",710,400,false],"menu-24x24":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/contraste-1.jpg",24,14,false],"menu-34x34":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/contraste-1.jpg",34,19,false],"menu-48x48":["https:\/\/visualled.com\/wp-content\/uploads\/2020\/07\/contraste-1.jpg",48,27,false]},"post_excerpt_stackable_v2":"<p>CONTRASTE QU&rsquo;EST-CE QUE LE CONTRASTE? Le contraste des&nbsp;\u00e9crans \u00e0 LED publicitaires&nbsp;est la diff\u00e9rence maximale d\u2019intensit\u00e9 lumineuse dans la gamme des blancs par rapport \u00e0 la gamme des noirs. Le ratio de contraste ou rapport de contraste est exprim\u00e9 sous la forme d\u2019un rapport X : 1 et montre la diff\u00e9rence entre le blanc le plus clair et le noir le plus fonc\u00e9 qui peut \u00eatre vu sur l\u2019\u00e9cran \u00e0 LED publicitaire. Plus ce rapport est \u00e9lev\u00e9, plus le syst\u00e8me sera capable de reproduire des tons interm\u00e9diaires, offrant ainsi une meilleure plage dynamique et une plus grande capacit\u00e9 de reproduction des\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\/35404","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=35404"}],"version-history":[{"count":0,"href":"https:\/\/visualled.com\/fr\/wp-json\/wp\/v2\/glosario\/35404\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/visualled.com\/fr\/wp-json\/wp\/v2\/media\/41860"}],"wp:attachment":[{"href":"https:\/\/visualled.com\/fr\/wp-json\/wp\/v2\/media?parent=35404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}