{"id":7809,"date":"2024-12-26T08:34:31","date_gmt":"2024-12-26T08:34:31","guid":{"rendered":"https:\/\/rjoytek.com\/?p=7809"},"modified":"2026-01-29T02:00:31","modified_gmt":"2026-01-29T02:00:31","slug":"comment-comprendre-la-technologie-gg-gf-gff","status":"publish","type":"post","link":"https:\/\/rjoytek.com\/fr\/comment-comprendre-la-technologie-gg-gf-gff\/","title":{"rendered":"Comment comprendre la technologie GG GF GFF"},"content":{"rendered":"<p>Dans le domaine de l'opto\u00e9lectronique, un afficheur est un syst\u00e8me multicouche sophistiqu\u00e9 o\u00f9 le panneau tactile (TP) doit \u00eatre pr\u00e9cis\u00e9ment harmonis\u00e9 avec le module TFT-LCD ou AMOLED. Le choix entre les architectures G+G, G+F et G+FF d\u00e9termine non seulement la durabilit\u00e9 physique de l'appareil, mais aussi son rapport signal\/bruit, sa transmittance optique et sa compatibilit\u00e9 avec des substrats TFT sp\u00e9cifiques.<\/p>\n\n\n\n<p>Lorsque les fournisseurs demandent si vous avez besoin de la technologie G+G, G+F ou G+FF, vous ne comprenez peut-\u00eatre pas pleinement les diff\u00e9rences ou ne savez pas laquelle correspond \u00e0 vos besoins. Voici un bref aper\u00e7u pour vous aider \u00e0 d\u00e9cider.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">La hi\u00e9rarchie architecturale<\/h2>\n\n\n\n<p>Comprendre ces technologies n\u00e9cessite d'analyser l'int\u00e9gralit\u00e9 <strong>du Module LCD (LCM)<\/strong> de la pile, de la source lumineuse \u00e0 l'interface utilisateur :<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Unit\u00e9 de r\u00e9tro\u00e9clairage (BLU) :<\/strong> G\u00e9n\u00e9ralement un r\u00e9seau de LED fournissant la luminance initiale (Nits).<\/li>\n\n\n\n<li><strong>Substrat TFT :<\/strong> Le substrat en verre contenant <strong>la Matrice Active<\/strong> (a-Si, LTPS ou IGZO) et les <strong>Circuits de Pixels.<\/strong>.<\/li>\n\n\n\n<li><strong>Couche de Cristaux Liquides :<\/strong> Modul\u00e9e par les <strong>\u00e9lectrodes TFT<\/strong> pour contr\u00f4ler le passage de la lumi\u00e8re.<\/li>\n\n\n\n<li><strong>Filtre de Couleur (CF) et Polariseur Avant :<\/strong> \u00c9tablissant la sortie chromatique.<\/li>\n\n\n\n<li><strong>Couche du Panneau Tactile (TP) :<\/strong> L'\u00e9tage de d\u00e9tection o\u00f9 <strong>les piles G+G, G+F ou G+FF<\/strong> sont mises en \u0153uvre.<\/li>\n\n\n\n<li><strong>Verre de Couverture (CG) :<\/strong> La couche protectrice finale chimiquement tremp\u00e9e.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">Bases des technologies G+G, G+F et G+FF<\/h4>\n\n\n\n<p>Les \u00e9crans LCD se composent de trois parties : le verre de couverture (CG), le panneau tactile (TP) et l'\u00e9cran d'affichage. Les technologies G+G, G+F et G+FF sont appliqu\u00e9es au niveau de la couche TP.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>G+G (Verre-Verre)<\/strong>: CG + Verre ITO<\/li>\n\n\n\n<li><strong>G+F (Verre-Film)<\/strong>: CG + Film ITO<\/li>\n\n\n\n<li><strong>G+FF (Verre-Film-Film)<\/strong>: CG + Film ITO + Film ITO<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/rjoytek.com\/wp-content\/uploads\/2022\/12\/GG-GFF-GF.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-gg-technology-glass-glass\">1. Technologie GG (Verre-Verre)<\/h3>\n\n\n\n<p>G+G est la norme haute fid\u00e9lit\u00e9 pour les applications industrielles et m\u00e9dicales <strong>TFT-LCD.<\/strong> En utilisant un substrat en verre rigide pour la couche de d\u00e9tection <strong>d'Oxyde d'Indium-\u00c9tain (ITO),<\/strong> elle garantit une stabilit\u00e9 m\u00e9canique maximale.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Synergie TFT :<\/strong> Les capteurs en verre sont thermiquement stables, maintenant l'alignement avec <strong>la grille de pixels TFT<\/strong> m\u00eame en fonctionnement \u00e0 haute temp\u00e9rature. Cela \u00e9vite les motifs de Moir\u00e9 et les effets de \u201cscintillement\u201d.<\/li>\n\n\n\n<li><strong>Transmittance \u00c9lev\u00e9e :<\/strong> Le verre offre une clart\u00e9 optique sup\u00e9rieure, garantissant que <strong>la luminosit\u00e9 maximale du TFT<\/strong> atteint l'utilisateur avec une att\u00e9nuation minimale.<\/li>\n\n\n\n<li><strong>Protection de la Matrice Active :<\/strong> La structure rigide en double verre fournit un tampon physique, prot\u00e9geant les fragiles <strong>transistors TFT<\/strong> et une <strong>et les Drivers de Grille\/Source<\/strong> contre les pressions localis\u00e9es.<\/li>\n\n\n\n<li><strong>Limites :<\/strong> Poids et \u00e9paisseur accrus par rapport aux solutions \u00e0 base de film, et une plus grande sensibilit\u00e9 \u00e0 la rupture sous choc m\u00e9canique extr\u00eame.<\/li>\n<\/ul>\n\n\n\n<p>Cependant, son poids plus \u00e9lev\u00e9 et sa plus grande fragilit\u00e9 le rendent moins adapt\u00e9 aux appareils n\u00e9cessitant des formes sp\u00e9ciales.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-gf-technology-glass-film\">2. Technologie GF (Verre-Film)<\/h3>\n\n\n\n<p>G+F est une architecture optimis\u00e9e en co\u00fbt, fr\u00e9quemment associ\u00e9e aux modules <strong>TFT \u00e0 Silicium Amorphe (a-Si)<\/strong> pour les applications d'entr\u00e9e de gamme ou sensibles au poids.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Profil Fin :<\/strong> Remplacer une couche de verre par un film PET ITO r\u00e9duit l'\u00e9paisseur <strong>LCM<\/strong> et le poids globaux.<\/li>\n\n\n\n<li><strong>Efficacit\u00e9 des Co\u00fbts :<\/strong> Le traitement des films est g\u00e9n\u00e9ralement moins capitalistique que la d\u00e9position sous vide sur verre, ce qui am\u00e9liore <strong>l'\u00c9conomie \u00e0 l'Unit\u00e9.<\/strong> de l'affichage.<\/li>\n\n\n\n<li><strong>Contraintes techniques :<\/strong> G+F est souvent limit\u00e9 \u00e0 <strong>Matrice passive<\/strong> ou \u00e0 un balayage monocouche. Comme le film a une conductivit\u00e9 \u00e9lectrique inf\u00e9rieure \u00e0 celle du verre, ses <strong>capacit\u00e9s anti-interf\u00e9rences (CEM)<\/strong> sont r\u00e9duites, le rendant sensible au bruit g\u00e9n\u00e9r\u00e9 par le <strong>Circuit int\u00e9gr\u00e9 pilote TFT<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Bien que plus flexible, les \u00e9crans tactiles G+F sont moins durables, moins r\u00e9sistants aux rayures et g\u00e9n\u00e9ralement limit\u00e9s \u00e0 une fonctionnalit\u00e9 monocouche. De plus, leur capacit\u00e9 anti-interf\u00e9rence n'est pas bonne. Par ailleurs, ils sont principalement \u00e0 point unique et ne prennent pas en charge le multitouch.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-gff-technology-glass-film-film\">3. Technologie GFF (Verre-Film-Film)<\/h3>\n\n\n\n<p>G+FF est une architecture polyvalente et haute performance qui utilise deux couches de film distinctes (axes X et Y) pour permettre une interaction sophistiqu\u00e9e.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Prise en charge du multitouch et des gestes :<\/strong> Cette approche bicouche permet un multitouch \u00e0 10 points et une \u00e9criture stylis\u00e9e rapide, correspondant aux hautes <strong>fr\u00e9quences de rafra\u00eechissement (60 Hz\u2013120 Hz)<\/strong> des <strong>TFT LTPS (Silicium Polycristallin Basse Temp\u00e9rature)<\/strong>.<\/li>\n\n\n\n<li><strong>modernes.<\/strong> Anti-interf\u00e9rence am\u00e9lior\u00e9e : <strong>Les \u00e9crans TFT<\/strong> haute r\u00e9solution <strong>g\u00e9n\u00e8rent un bruit \u00e9lectromagn\u00e9tique important d\u00fb \u00e0 leurs lignes<\/strong>. de grille et de source.<\/li>\n\n\n\n<li><strong>LCD segment\u00e9 : Les \u00e9crans LCD segment\u00e9s ont une r\u00e9solution inf\u00e9rieure \u00e0 celle des \u00e9crans \u00e0 matrice de points. Ils sont principalement utilis\u00e9s pour afficher des caract\u00e8res ou symboles simples, tels que des chiffres ou des ic\u00f4nes basiques.<\/strong> \u00e0 haute vitesse. G+FF offre une isolation sup\u00e9rieure du signal, garantissant la pr\u00e9cision tactile m\u00eame dans des environnements industriels \u00e9lectriquement bruyants. <strong>Le capteur \u00e0 base de PET peut \u00eatre d\u00e9coup\u00e9 en formes complexes ou coll\u00e9 \u00e0 des<\/strong> panneaux TFT courbes.<\/li>\n<\/ul>\n\n\n\n<p>, offrant un niveau de libert\u00e9 de conception que le verre rigide ne peut fournir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cependant, G+FF peut pr\u00e9senter une clart\u00e9 optique l\u00e9g\u00e8rement r\u00e9duite et une durabilit\u00e9 inf\u00e9rieure par rapport \u00e0 G+G.<\/h2>\n\n\n\n<p>Compatibilit\u00e9 entre le plan arri\u00e8re TFT et la d\u00e9tection tactile <strong>La s\u00e9lection d'une architecture tactile n\u00e9cessite un alignement avec le type sp\u00e9cifique de<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>substrat TFT<\/strong><\/td><td><strong>Plan arri\u00e8re TFT<\/strong><\/td><td><strong>Panneau tactile recommand\u00e9<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Justification technique<\/strong><\/td><td><strong>a-Si (Silicium Amorphe)<\/strong><\/td><td>G+F \/ G+FF.<\/td><\/tr><tr><td><strong>Association rentable pour les interfaces homme-machine industrielles standard.<\/strong><\/td><td><strong>LTPS (Poly-Si)<\/strong><\/td><td>G+FF \/ In-Cell <strong>Correspond \u00e0 la haute<\/strong> mobilit\u00e9 \u00e9lectronique.<\/td><\/tr><tr><td><strong>et aux cycles de rafra\u00eechissement rapides du LTPS.<\/strong><\/td><td><strong>IGZO (Oxyde M\u00e9tallique)<\/strong><\/td><td>G+G \/ G+FF <strong>Prend en charge la tr\u00e8s haute r\u00e9solution<\/strong> TFT 4K\/8K.<\/td><\/tr><tr><td><strong>avec une sensibilit\u00e9 tactile \u00e9lev\u00e9e.<\/strong><\/td><td><strong>AMOLED (OLED \u00e0 Matrice Active)<\/strong><\/td><td>G+FF \/ On-Cell.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">N\u00e9cessite des capteurs fins et flexibles pour pr\u00e9server le facteur de forme mince de l'OLED.<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>S\u00e9lection strat\u00e9gique par application<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Syst\u00e8mes de contr\u00f4le industriels et m\u00e9dicaux<\/strong> <strong>Configuration :.<\/strong><\/li>\n\n\n\n<li><strong>G+G associ\u00e9 \u00e0 un TFT IGZO.<\/strong> Justification :.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Priorise la clart\u00e9 optique et la stabilit\u00e9 thermique. Le plan arri\u00e8re IGZO permet des images statiques haute r\u00e9solution avec une faible consommation, tandis que le capteur G+G assure une durabilit\u00e9 24h\/24 et 7j\/7 dans des environnements st\u00e9riles ou difficiles.<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Syst\u00e8mes de contr\u00f4le industriels et m\u00e9dicaux<\/strong> <strong>Conception professionnelle et PDV haut de gamme.<\/strong><\/li>\n\n\n\n<li><strong>G+G associ\u00e9 \u00e0 un TFT IGZO.<\/strong> G+FF associ\u00e9 \u00e0 un TFT LTPS.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Le LTPS offre les meilleures performances pour des transitions d'interface utilisateur fluides. G+FF fournit les capacit\u00e9s multitouch et le rapport signal\/bruit \u00e9lev\u00e9 requis pour une pr\u00e9cision professionnelle.<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Syst\u00e8mes de contr\u00f4le industriels et m\u00e9dicaux<\/strong> <strong>Capteurs de terrain portables et entr\u00e9e de gamme grand public.<\/strong><\/li>\n\n\n\n<li><strong>G+G associ\u00e9 \u00e0 un TFT IGZO.<\/strong> G+F associ\u00e9 \u00e0 un TFT a-Si.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Ax\u00e9 sur la r\u00e9duction du poids et la ma\u00eetrise des co\u00fbts, tout en fournissant une fonctionnalit\u00e9 monocouche fiable pour la saisie de donn\u00e9es de base.<\/h2>\n\n\n\n<p>R\u00e9sum\u00e9 des param\u00e8tres techniques <strong>Lors de l'\u00e9valuation d'un module d'affichage, les ing\u00e9nieurs doivent consid\u00e9rer la performance du<\/strong> syst\u00e8me int\u00e9gr\u00e9 <strong>In-Cell<\/strong> et une <strong>On-Cell<\/strong> Les \u00e9crans tactiles (o\u00f9 les capteurs sont int\u00e9gr\u00e9s directement dans les <strong>couches TFT<\/strong>) gagnent en popularit\u00e9 pour les appareils mobiles grand public, tandis que les architectures <strong>G+G et G+FF<\/strong> discr\u00e8tes restent la norme pour les applications industrielles sp\u00e9cialis\u00e9es n\u00e9cessitant un verre de couverture sur mesure, une protection EMI sp\u00e9cifique ou une haute r\u00e9sistance aux chocs.<\/p>","protected":false},"excerpt":{"rendered":"<p>In the field of optoelectronics, a display is a sophisticated multi-layered system where the Touch Panel (TP) must be precisely harmonized with the TFT-LCD or AMOLED module. The choice between G+G, G+F, and G+FF architectures determines not only the physical durability of the device but also its signal-to-noise ratio, optical [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":7811,"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":[424,425],"tags":[254],"class_list":["post-7809","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lcd-basics","category-tft-basics","tag-gg-gf-gff"],"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=\"In the field of optoelectronics, a display is a sophisticated multi-layered system where the Touch Panel (TP) must be precisely harmonized with the TFT-LCD or AMOLED module. 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