{"id":31,"date":"2020-05-04T16:43:26","date_gmt":"2020-05-04T20:43:26","guid":{"rendered":"https:\/\/chenkse.com\/?p=31"},"modified":"2021-05-20T03:27:45","modified_gmt":"2021-05-20T07:27:45","slug":"differencier-laffichage-led-de-qualite","status":"publish","type":"post","link":"https:\/\/chenkse.com\/fr\/differencier-laffichage-led-de-qualite\/","title":{"rendered":"Diff\u00e9rentes qualit\u00e9s d&#039;affichage \u00e0 LED"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"31\" class=\"elementor elementor-31\" data-elementor-post-type=\"post\">\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d815c23 elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-section-smoke-no elementor-section-raindrops-no elementor-section-parallax-no elementor-section-floatimg-no\" data-id=\"d815c23\" data-element_type=\"section\" data-e-type=\"section\">\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a2a21ac\" data-id=\"a2a21ac\" data-element_type=\"column\" data-e-type=\"column\">\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cb7ecb6 elementor-widget elementor-widget-heading\" data-id=\"cb7ecb6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Diff\u00e9rencier les affichages LED de qualit\u00e9<\/h1>\t\t\t\t<\/div>\t\t\t\t\t<\/div>\t\t<\/div>\t\t\t\t\t<\/div>\t\t<\/section>\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-65299b95 elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-section-smoke-no elementor-section-raindrops-no elementor-section-parallax-no elementor-section-floatimg-no\" data-id=\"65299b95\" data-element_type=\"section\" data-e-type=\"section\">\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4ec614d0\" data-id=\"4ec614d0\" data-element_type=\"column\" data-e-type=\"column\">\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\t\t\t\t\t\t<div class=\"elementor-element elementor-element-333d1dfd elementor-widget elementor-widget-text-editor\" data-id=\"333d1dfd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\t\t\t\t\t\t\t\t\t<h5><strong>R\u00e9solution<\/strong><\/h5><p>Un pas de pixel plus petit signifie qu&#039;il y a moins d&#039;espace vide entre les pixels. Cela \u00e9quivaut \u00e0 une densit\u00e9 de pixels plus \u00e9lev\u00e9e et \u00e0 une r\u00e9solution d&#039;\u00e9cran am\u00e9lior\u00e9e. D&#039;un autre c\u00f4t\u00e9, un pas de pixel plus petit fournit universellement une plus grande r\u00e9solution, mais co\u00fbte plus cher.<\/p><h5><strong>Luminosit\u00e9<\/strong><\/h5><p>La luminosit\u00e9 d&#039;un <a rel=\"nofollow\" href=\"https:\/\/chenkse.com\/fr\/\">Affichage LED<\/a> est uniquement d\u00e9termin\u00e9 par la qualit\u00e9 de la puce LED. La luminosit\u00e9 de l&#039;\u00e9cran couleur int\u00e9rieur est sup\u00e9rieure \u00e0 700 cd\/m\u00b2. En raison de la lumi\u00e8re du soleil et de la distance de visualisation plus longue pour les \u00e9crans ext\u00e9rieurs, sa luminosit\u00e9 n\u00e9cessite 5 000 cd\/m\u00b2 ou plus.<\/p><h5><strong>Angle de vue<\/strong><\/h5><p>En fonction de l&#039;utilisation que vous souhaitez donner \u00e0 votre <a href=\"https:\/\/chenkse.com\/fr\/ecrans-led-de-stade\/\">Ecran LED<\/a>, il faudra le voir dans une position ou une autre, l&#039;angle de vision est donc \u00e9troitement li\u00e9 \u00e0 ce fait. Pour qu&#039;il soit vu correctement, il est important qu&#039;ils aient un angle de vision horizontal et vertical compris entre 120\u00ba et 160\u00ba.<\/p><p style=\"text-align: center;\"><img decoding=\"async\" class=\"alignnone size-full wp-image-16820 aligncenter lazyload\" data-src=\"https:\/\/chenkse.com\/wp-content\/smush-avif\/A34.jpg.avif\" alt=\"\" width=\"354\" height=\"264\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 354px; --smush-placeholder-aspect-ratio: 354\/264;\" \/>Diff\u00e9rencier la qualit\u00e9 d&#039;un \u00e9cran LED<\/p><h5><strong>R\u00e9ductibilit\u00e9 des couleurs<\/strong><\/h5><p>La r\u00e9ductibilit\u00e9 des couleurs d&#039;un \u00e9cran LED affecte l&#039;authenticit\u00e9 visible. Plus la coh\u00e9rence avec celle de la source de lecture est \u00e9lev\u00e9e, plus la couleur d&#039;affichage de sortie aura une meilleure authenticit\u00e9 de sortie.<\/p><h5><strong>Couleur<\/strong><strong> Nettet\u00e9 et contraste<\/strong><\/h5><p>La nettet\u00e9 et le contraste de l&#039;affichage LED peuvent \u00eatre ajust\u00e9s par le syst\u00e8me de contr\u00f4le, avec un processeur vid\u00e9o ou une carte de contr\u00f4le. La nettet\u00e9 et le contraste de l&#039;affichage LED sont \u00e9galement d\u00e9termin\u00e9s par la taille du spot lumineux et la couleur du masque<\/p><p><\/p><h5><strong>Plan\u00e9it\u00e9 de la surface<\/strong><\/h5><p><\/p><p>Pour s&#039;assurer que l&#039;image n&#039;est pas d\u00e9form\u00e9e, sur\u00e9lev\u00e9e ou en partie en retrait, et pour \u00e9viter une couleur et une luminosit\u00e9 incoh\u00e9rentes, ce qui entra\u00eenera un angle de vue mort, il est tr\u00e8s important de contr\u00f4ler la plan\u00e9it\u00e9 de la surface d&#039;un \u00e9cran LED. Habituellement, la plan\u00e9it\u00e9 de la surface d&#039;un \u00e9cran LED sera de \u00b1 1 mm, ce qui est une proc\u00e9dure tr\u00e8s importante dans le processus de production.<\/p><p><\/p><h5><strong>Ph\u00e9nom\u00e8ne de mosa\u00efque ou de point mort<\/strong><\/h5><p><\/p><p>La mosa\u00efque est constitu\u00e9e de petits blocs cubiques qui sont toujours brillants ou noirs sur l&#039;\u00e9cran d&#039;affichage. C&#039;est un ph\u00e9nom\u00e8ne de n\u00e9crose modulaire. La raison principale est que la qualit\u00e9 du connecteur utilis\u00e9 dans l&#039;\u00e9cran d&#039;affichage n&#039;est pas bonne. Un bon \u00e9cran LED doit \u00eatre test\u00e9 \u00e0 fond pour \u00e9viter que Mosaic n&#039;affecte l&#039;exp\u00e9rience visible.<\/p><p><\/p><h5><strong>Effet de balance des blancs<\/strong><\/h5><p><\/p><p>La balance des blancs est principalement d\u00e9termin\u00e9e par le syst\u00e8me de contr\u00f4le de l&#039;\u00e9cran LED. Et l&#039;effet de balance des blancs est l&#039;un des indicateurs importants pour diff\u00e9rencier la qualit\u00e9 des diff\u00e9rents \u00e9crans LED. En science de la couleur, il affichera une couleur blanche pure lorsque le rapport des trois couleurs primaires, c&#039;est-\u00e0-dire rouge: vert: bleu est de 1: 4,6: 0,16. En g\u00e9n\u00e9ral, nous v\u00e9rifierons s&#039;il y a du vert bleu\u00e2tre ou jaun\u00e2tre pour la balance des blancs, si le rapport r\u00e9el est l\u00e9g\u00e8rement d\u00e9cal\u00e9, la balance des blancs suivra \u00e9galement.<\/p><p><\/p><h5><strong>Bloc de couleur<\/strong><\/h5><p><\/p><p>La transition de couleur est bas\u00e9e sur le module et le bloc de couleur signifie la diff\u00e9rence de couleur \u00e9vidente entre les modules adjacents. Le ph\u00e9nom\u00e8ne est principalement d\u00fb au mauvais syst\u00e8me de contr\u00f4le, au faible niveau de gris ou \u00e0 la faible fr\u00e9quence de balayage.<\/p><p><\/p><h5><strong>Degr\u00e9 de protection<\/strong><\/h5><p>Comme le <a href=\"https:\/\/chenkse.com\/fr\/ecrans-video-a-led\/\">\u00c9cran d&#039;affichage LED<\/a> peut explorer dans l&#039;environnement ext\u00e9rieur, de sorte qu&#039;une bonne protection de l&#039;\u00e9cran LED est importante. Il doit donc \u00eatre \u00e9tanche \u00e0 l\u2019eau et \u00e0 la poussi\u00e8re pour avoir une certaine adaptabilit\u00e9 \u00e0 un environnement en constante \u00e9volution.<\/p><p><\/p><p><\/p><h5><strong>Capacit\u00e9 de travail de longue dur\u00e9e<\/strong><\/h5><p><\/p><p>Les \u00e9crans LED doivent g\u00e9n\u00e9ralement fonctionner en continu pendant une longue p\u00e9riode, ils doivent donc garantir un fonctionnement sans probl\u00e8me, m\u00eame en cas de travail prolong\u00e9 avec plus de 160 heures. Ainsi, il a besoin d&#039;une bonne qualit\u00e9 d&#039;alimentations, de c\u00e2bles, de cartes de circuits imprim\u00e9s, de ventilateurs et de syst\u00e8mes de contr\u00f4le.<\/p><p><\/p><h5><strong>Actualiser les exigences<\/strong><\/h5><p><\/p><p>Pour l&#039;affichage \u00e0 LED, il a g\u00e9n\u00e9ralement besoin de 200 Hz ou plus pour une utilisation normale. Alors que plus le rafra\u00eechissement sera \u00e9lev\u00e9, plus le sens de la r\u00e9alit\u00e9 sera fort, mais il n\u00e9cessitera parfois plus de 2000 Hz.<\/p><p><\/p><h5><strong>Autres<\/strong><\/h5><p><\/p><p>A. Exigences d&#039;\u00e9conomie d&#039;\u00e9nergie: en utilisant des \u00e9crans LED avec un lecteur 3,8 V ou 4,2 V pour \u00e9conomiser de l&#039;\u00e9nergie, ou utiliser l&#039;alimentation PFC<\/p><p><\/p><p>Capacit\u00e9 d&#039;interf\u00e9rence anti-\u00e9lectromagn\u00e9tique: elle peut am\u00e9liorer la capacit\u00e9 de travail de l&#039;\u00e9cran LED<\/p><p><\/p><p>C. Commodit\u00e9 \u00e0 retirer et \u00e0 installer: si l&#039;\u00e9cran LED est destin\u00e9 \u00e0 la location, une installation et un d\u00e9montage faciles et pratiques sont importants<\/p><p><\/p><p><\/p>\t\t\t\t\t\t\t\t<\/div>\t\t\t\t\t<\/div>\t\t<\/div>\t\t\t\t\t<\/div>\t\t<\/section>\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Differentiate Quality Led DisplaysResolutionA smaller pixel pitch means there is less empty space between pixels. This equates to higher pixel density and improved screen resolution. On the other hand, smaller pixel pitch universally provides greater resolution, but is more expensive.BrightnessThe brightness of an LED display is solely determined by the quality of the LED die. [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":16820,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false},"categories":[1,19],"tags":[],"class_list":["post-31","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-company-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Different quality of LED display - CHENKSE LED Screen Manufacturer<\/title>\n<meta name=\"description\" content=\"A smaller pixel pitch means there is less empty space between pixels. 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