{"id":7551,"date":"2022-10-25T08:44:30","date_gmt":"2022-10-25T08:44:30","guid":{"rendered":"https:\/\/rjoytek.com\/?p=7551"},"modified":"2024-11-28T06:50:55","modified_gmt":"2024-11-28T06:50:55","slug":"ne-demandez-pas-quel-est-le-meilleur-entre-un-ecran-lcd-et-un-ecran-led-car-ils-sont-totalement-differents","status":"publish","type":"post","link":"https:\/\/rjoytek.com\/fr\/ne-demandez-pas-quel-est-le-meilleur-entre-un-ecran-lcd-et-un-ecran-led-car-ils-sont-totalement-differents\/","title":{"rendered":"Ne demandez pas lequel est meilleur entre les \u00e9crans LCD et LED, car ils sont totalement diff\u00e9rents !"},"content":{"rendered":"<p style=\"text-align: justify\">Le LCD et le LED sont deux concepts compl\u00e8tement diff\u00e9rents. Le LCD est un \u00e9cran \u00e0 cristaux liquides, utilis\u00e9 pour l'affichage, et le LED est une diode \u00e9lectroluminescente, utilis\u00e9e pour l'\u00e9clairage. Le LCD est une technologie d'affichage, le LED est une technologie d'\u00e9mission lumineuse. La t\u00e9l\u00e9vision dite LED est relative \u00e0 la t\u00e9l\u00e9vision CCFL, ce qui fait r\u00e9f\u00e9rence au r\u00e9tro\u00e9clairage du cristal liquide. Le cristal liquide lui-m\u00eame n'\u00e9met pas de lumi\u00e8re et n\u00e9cessite une autre source lumineuse pour s'\u00e9clairer ; le cristal liquide traditionnel utilise le CCFL comme source de r\u00e9tro\u00e9clairage, c'est-\u00e0-dire des lampes fluocompactes ; aujourd'hui, le LED peut \u00eatre utilis\u00e9 comme source de r\u00e9tro\u00e9clairage, d'o\u00f9 l'existence de la t\u00e9l\u00e9vision LED. L'\u00e9cran LED dont nous parlons est un \u00e9cran compl\u00e8tement diff\u00e9rent de l'\u00e9cran LCD. L'OLED est similaire au LCD. L'OLED est une diode \u00e9lectroluminescente organique, qui peut \u00eatre utilis\u00e9e pour l'affichage. Lorsque l'OLED est utilis\u00e9e, aucun r\u00e9tro\u00e9clairage n'est n\u00e9cessaire. Elle \u00e9met de la lumi\u00e8re et affiche des couleurs par elle-m\u00eame, ce qui peut remplacer le LCD. Actuellement, l'OLED est principalement utilis\u00e9e pour les \u00e9crans de t\u00e9l\u00e9phones mobiles.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-7552 aligncenter\" src=\"https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/LED-LCD.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/LED-LCD.jpg 800w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/LED-LCD-300x169.jpg 300w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/LED-LCD-600x338.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify\">Vous pouvez consulter ici \u201c<a href=\"https:\/\/rjoytek.com\/what-is-tft-lcd-display\/\">Qu'est-ce que le LCD<\/a>\u201d pour en savoir plus, et ici pour en savoir plus sur \u201c<a href=\"https:\/\/rjoytek.com\/what-is-the-difference-between-tft-lcd-and-oled\/\">La diff\u00e9rence entre le LCD et l'OLED<\/a>\u201c. Le processus de production du LCD est \u00e9galement tr\u00e8s complexe et les exigences pour un fabricant de LCD sont tr\u00e8s \u00e9lev\u00e9es. Comme on le sait, les fabricants de LCD tels que BOE, Samsung, Innolux, AUO, etc. disposent tous de cha\u00eenes d'approvisionnement industrielles tr\u00e8s solides et de lignes de production strictes. Si vous souhaitez comprendre le processus de production du LCD, cet article simple (<a href=\"https:\/\/rjoytek.com\/tft-lcd-manufacturing-principle-and-process-introduction\/\">Principe de fabrication et introduction au processus des \u00e9crans TFT LCD<\/a>) peut vous aider \u00e0 comprendre.<\/p>\n<p><strong>La diff\u00e9rence entre l'\u00e9cran LCD et l'\u00e9cran LED<\/strong><\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-7553 aligncenter\" src=\"https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/lcd-and-lcd.jpg\" alt=\"\" width=\"800\" height=\"384\" srcset=\"https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/lcd-and-lcd.jpg 800w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/lcd-and-lcd-300x144.jpg 300w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/lcd-and-lcd-600x288.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify\">1 : Luminosit\u00e9, la vitesse de r\u00e9ponse d'un \u00e9l\u00e9ment individuel de l'affichage LED est sup\u00e9rieure \u00e0 celle du LCD, et sa luminosit\u00e9 est plus avantageuse que celle du LCD dans le domaine de la haute luminosit\u00e9, et s'adapte \u00e0 des temp\u00e9ratures tr\u00e8s basses car beaucoup sont utilis\u00e9es pour la publicit\u00e9 ext\u00e9rieure, pouvant atteindre moins 40 degr\u00e9s. Le LCD doit r\u00e9pondre \u00e0 des exigences sp\u00e9ciales pour fabriquer des \u00e9crans LCD adapt\u00e9s \u00e0 des temp\u00e9ratures tr\u00e8s \u00e9lev\u00e9es ou tr\u00e8s basses, comme les \u00e9crans LCD automobiles. Vous pouvez en apprendre davantage ici <a href=\"https:\/\/rjoytek.com\/why-should-the-automotive-lcd-display-be-resistant-to-high-and-low-temperatures\/\">pourquoi les \u00e9crans automobiles doivent r\u00e9sister \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es et basses<\/a>.<\/p>\n<p style=\"text-align: justify\">2 : Application, le LED est principalement utilis\u00e9 pour certains affichages ordinaires, la publicit\u00e9 ext\u00e9rieure, les banni\u00e8res, les sc\u00e8nes, ou certains sc\u00e9narios d'application n\u00e9cessitant des couleurs vives. Les LCD sont omnipr\u00e9sents dans notre vie, comme les t\u00e9l\u00e9viseurs, les ordinateurs, les ordinateurs portables, les imprimantes 3D, les machines \u00e0 caf\u00e9, les contr\u00f4leurs de centre domestique, etc. Les applications de machines n\u00e9cessitant des formes multiples ou des couleurs plus raffin\u00e9es, bien s\u00fbr, les \u00e9crans publicitaires ext\u00e9rieurs et int\u00e9rieurs utilisent \u00e9galement le LCD. On peut dire que le LCD est le meilleur choix pour l'industrie, la maison, le bureau, etc.<\/p>\n<p style=\"text-align: justify\">3 : Angle de vision, les \u00e9crans LCD ont des restrictions d'angle, comme les IPS et TN. D\u00e8s que l'affichage TN s'\u00e9carte l\u00e9g\u00e8rement de l'angle, la couleur d'origine ne peut pas \u00eatre vue, et m\u00eame l'image devient floue ; tandis que le LED peut offrir un angle de 160\u00b0, car le LED est la lumi\u00e8re directe du tube lumineux, et il est plus facile \u00e0 voir quel que soit l'angle, tandis que le LCD n\u00e9cessite que le LED soit \u00e9clair\u00e9 comme r\u00e9tro\u00e9clairage.<\/p>\n<p style=\"text-align: justify\">4 : Taux de rafra\u00eechissement, le LED convertit l'\u00e9nergie \u00e9lectrique en \u00e9nergie lumineuse, le taux de rafra\u00eechissement est plus \u00e9lev\u00e9, et il est donc meilleur dans le traitement des \u00e9crans vid\u00e9o, mais parce que le LED est compos\u00e9 de perles lumineuses, le LED est plus utilis\u00e9 pour l'affichage d'images simples, la r\u00e9solution n'\u00e9tant pas aussi \u00e9lev\u00e9e que celle du LCD.<\/p>\n<p style=\"text-align: justify\">5 : Nettet\u00e9, la clart\u00e9 de l'affichage est d\u00e9termin\u00e9e par la r\u00e9solution, et la r\u00e9solution est d\u00e9termin\u00e9e par la densit\u00e9 des perles lumineuses dans l'\u00e9cran LED. Plus les perles lumineuses sont petites dans la m\u00eame zone, plus la r\u00e9solution est \u00e9lev\u00e9e, plus l'image est claire. Par cons\u00e9quent, certains \u00e9crans LED avec un grand espacement ne sont pas aussi clairs que ceux avec un petit espacement, mais m\u00eame l'\u00e9cran LED avec le plus petit espacement, sa clart\u00e9 ne peut toujours pas atteindre la hauteur de l'\u00e9cran LCD, surtout lorsqu'il est vu de pr\u00e8s, il y aura un ph\u00e9nom\u00e8ne de mosa\u00efque, donc il n'est pas adapt\u00e9 \u00e0 une visualisation de trop pr\u00e8s. Si vous voulez obtenir une meilleure clart\u00e9, vous ne pouvez choisir que des produits avec un petit espacement.<br \/>\nCependant, le LCD peut \u00eatre vu de pr\u00e8s ou de loin. La r\u00e9solution de l'\u00e9cran LCD peut atteindre des niveaux plus \u00e9lev\u00e9s, 4K ou plus, ce qui peut bien montrer les d\u00e9tails de l'image.<\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<p style=\"text-align: justify\">RJOYTEK fournit <a href=\"https:\/\/rjoytek.com\/what-causes-lcd-panel-failure\/\"  data-wpil-monitor-id=\"60\">des panneaux LCD<\/a> avec une solution LCD tout-en-un, il y a des \u00e9crans TFT LCD de 0,38\u2033 \u00e0 24\u2033, des panneaux d'affichage micro OLED en stock, et propose \u00e9galement des LCD personnalis\u00e9s.<\/p>\n<p><span style=\"font-size: 18pt\">Nos produits<\/span><\/p>\n<ul>\n<li>Module TFT LCD de petite taille<\/li>\n<li>\u00c9cran LCD pour ordinateur portable<\/li>\n<li>\u00c9cran LCD m\u00e9dical<\/li>\n<li>\u00c9cran LCD haute luminosit\u00e9<\/li>\n<li>\u00c9cran LCD automobile<\/li>\n<li>Panneau d'affichage TFT industriel<\/li>\n<li>Panneau tactile TFT LCD<\/li>\n<li>\u00c9cran LCD rond<\/li>\n<li>\u00c9cran LCD barre allong\u00e9e<\/li>\n<li>Micro-\u00e9cran pour AR\/VR<\/li>\n<\/ul>\n<p>N'h\u00e9sitez pas \u00e0 nous contacter si vous avez besoin d'aide !<\/p>\n<table style=\"border-collapse: collapse;width: 100%\">\n<tbody>\n<tr>\n<td style=\"width: 33.3333%\"><a href=\"https:\/\/rjoytek.com\/product\/sunlight-readable-lcd-panel-4-inch-320240-tft-lcd-screen\/\"><img decoding=\"async\" class=\"size-full wp-image-7509 aligncenter\" src=\"https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/SUNLIGHT-READABLE-LCD-DISPLAY.jpg\" alt=\"\" width=\"800\" height=\"800\" srcset=\"https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/SUNLIGHT-READABLE-LCD-DISPLAY.jpg 800w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/SUNLIGHT-READABLE-LCD-DISPLAY-200x200.jpg 200w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/SUNLIGHT-READABLE-LCD-DISPLAY-300x300.jpg 300w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/SUNLIGHT-READABLE-LCD-DISPLAY-150x150.jpg 150w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/SUNLIGHT-READABLE-LCD-DISPLAY-230x230.jpg 230w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/SUNLIGHT-READABLE-LCD-DISPLAY-70x70.jpg 70w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/SUNLIGHT-READABLE-LCD-DISPLAY-315x315.jpg 315w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/SUNLIGHT-READABLE-LCD-DISPLAY-600x600.jpg 600w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/SUNLIGHT-READABLE-LCD-DISPLAY-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/td>\n<td style=\"width: 33.3333%\"><a href=\"https:\/\/rjoytek.com\/product\/1-54-inch-240240-tft-lcd-display-panel\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7544 aligncenter\" src=\"https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/1.54-inch-tft-lcd.jpg\" alt=\"LCD TFT de 1,54 pouce\" width=\"800\" height=\"800\" srcset=\"https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/1.54-inch-tft-lcd.jpg 800w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/1.54-inch-tft-lcd-200x200.jpg 200w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/1.54-inch-tft-lcd-300x300.jpg 300w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/1.54-inch-tft-lcd-150x150.jpg 150w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/1.54-inch-tft-lcd-230x230.jpg 230w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/1.54-inch-tft-lcd-70x70.jpg 70w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/1.54-inch-tft-lcd-315x315.jpg 315w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/1.54-inch-tft-lcd-600x600.jpg 600w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/10\/1.54-inch-tft-lcd-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/td>\n<td style=\"width: 33.3333%\"><a href=\"https:\/\/rjoytek.com\/product\/tft-color-display-6-8-inch-4801280-lcd-panel-for-microwave-oven\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7303 aligncenter\" src=\"https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/08\/6.8-inch-lcd-panel.jpg\" alt=\"\u00c9cran LCD de 6,8 pouces\" width=\"800\" height=\"800\" srcset=\"https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/08\/6.8-inch-lcd-panel.jpg 800w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/08\/6.8-inch-lcd-panel-200x200.jpg 200w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/08\/6.8-inch-lcd-panel-300x300.jpg 300w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/08\/6.8-inch-lcd-panel-150x150.jpg 150w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/08\/6.8-inch-lcd-panel-230x230.jpg 230w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/08\/6.8-inch-lcd-panel-70x70.jpg 70w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/08\/6.8-inch-lcd-panel-315x315.jpg 315w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/08\/6.8-inch-lcd-panel-600x600.jpg 600w, https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/08\/6.8-inch-lcd-panel-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%;text-align: center\">\u00c9cran LCD carr\u00e9 de 4 pouces<\/td>\n<td style=\"width: 33.3333%;text-align: center\">Module d'affichage TFT de 1,54 pouce<\/td>\n<td style=\"width: 33.3333%;text-align: center\">Module LCD barre de 6,8 pouces<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>LCD and LED are two completely different concepts. LCD is a liquid crystal screen, which is used for display, and LED is a Light emitting diode, which is used for lighting, LCD is a display technology, LED is a light-emitting technology. The so-called LED TV is relative to the CCFL [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":7552,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","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":"","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":"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":"","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-4)","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-4)","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-4)","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":""},"categories":[424],"tags":[210],"class_list":["post-7551","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lcd-basics","tag-led-vs-lcd"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.8.3.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"LCD and LED are two completely different concepts. 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