{"id":1446,"date":"2026-09-11T02:50:28","date_gmt":"2026-09-11T02:50:28","guid":{"rendered":"https:\/\/qihantech.com\/?p=1446"},"modified":"2026-09-03T04:38:32","modified_gmt":"2026-09-03T04:38:32","slug":"automotive-tft-lcd-display-design-performance-requirements","status":"publish","type":"post","link":"https:\/\/qihantech.com\/fr\/automotive-tft-lcd-display-design-performance-requirements\/","title":{"rendered":"\u00c9crans TFT LCD pour applications automobiles : exigences cl\u00e9s de conception et de performance"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Il n'existe pas de sp\u00e9cification unique pour un <a href=\"https:\/\/qihantech.com\/fr\/tft-lcd-display\/\" data-type=\"page\" data-id=\"732\">\u00e9cran LCD TFT automobile<\/a>. Un \u00e9cran dans la console centrale, un combin\u00e9 d'instruments derri\u00e8re le volant et un \u00e9cran compact mont\u00e9 pr\u00e8s d'une cam\u00e9ra ou d'une unit\u00e9 de commande ne subissent pas les m\u00eames contraintes de lumi\u00e8re, de temp\u00e9rature, d'angle de vision ou de cons\u00e9quences en mati\u00e8re de s\u00e9curit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L'emplacement d'installation doit donc \u00eatre d\u00e9fini avant la sp\u00e9cification du panneau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un \u00e9cran situ\u00e9 \u00e0 c\u00f4t\u00e9 du pare-brise peut \u00eatre expos\u00e9 \u00e0 une charge solaire directe et \u00e0 des reflets. Un combin\u00e9 doit rester lisible \u00e0 travers le volant et pour toutes les positions du conducteur. Un \u00e9cran tactile embarqu\u00e9 doit r\u00e9pondre de mani\u00e8re pr\u00e9visible malgr\u00e9 les vibrations, le bruit \u00e9lectrique et les variations de temp\u00e9rature. Un \u00e9cran arri\u00e8re ou auxiliaire peut privil\u00e9gier un \u00e9quilibre diff\u00e9rent entre r\u00e9solution, angle de vision et co\u00fbt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce guide explique comment traduire chaque emplacement en exigences optiques, environnementales, \u00e9lectriques et d'approvisionnement. Il est destin\u00e9 aux ing\u00e9nieurs et aux acheteurs \u00e9valuant des \u00e9crans TFT automobiles et embarqu\u00e9s de petite taille, et ne se substitue pas au processus de qualification ou de s\u00e9curit\u00e9 fonctionnelle d'un constructeur.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/qihantech.com\/wp-content\/uploads\/2026\/09\/Custom-TFT-LCD-Display-02.webp\" alt=\"\" class=\"wp-image-1458\" srcset=\"https:\/\/qihantech.com\/wp-content\/uploads\/2026\/09\/Custom-TFT-LCD-Display-02.webp 750w, https:\/\/qihantech.com\/wp-content\/uploads\/2026\/09\/Custom-TFT-LCD-Display-02-300x300.webp 300w, https:\/\/qihantech.com\/wp-content\/uploads\/2026\/09\/Custom-TFT-LCD-Display-02-150x150.webp 150w, https:\/\/qihantech.com\/wp-content\/uploads\/2026\/09\/Custom-TFT-LCD-Display-02-12x12.webp 12w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-short-answer\">La R\u00e9ponse Courte<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00e9lectionnez un <a href=\"https:\/\/qihantech.com\/fr\/car-infotainment-display-screen\/\" data-type=\"post\" data-id=\"1269\">\u00e9cran d'affichage automobile <\/a>en d\u00e9finissant six \u00e9l\u00e9ments avant de comparer les modules :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>L'emplacement de montage et la fonction exacts de l'\u00e9cran<\/li>\n\n\n\n<li>La g\u00e9om\u00e9trie de vision du conducteur ou du passager<\/li>\n\n\n\n<li>Les exigences de visibilit\u00e9 de jour, de nuit et en plein soleil<\/li>\n\n\n\n<li>Les conditions de temp\u00e9rature, de vibration et de charge \u00e9lectrique<\/li>\n\n\n\n<li>Les interfaces d'affichage, tactiles et h\u00f4tes<\/li>\n\n\n\n<li>Les preuves de qualification, le contr\u00f4le des modifications et les attentes en mati\u00e8re d'approvisionnement<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Ne supposez pas que les mentions \u201c large plage de temp\u00e9rature \u201d, \u201c haute luminosit\u00e9 \u201d ou \u201c qualit\u00e9 automobile \u201d s'appliquent \u00e0 toutes les configurations d'un fournisseur. Demandez quel module, quels mat\u00e9riaux, quel contr\u00f4leur et quel assemblage exacts ont \u00e9t\u00e9 test\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"map-the-display-to-its-vehicle-function\">Associer l'\u00c9cran \u00e0 sa Fonction dans le V\u00e9hicule<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les v\u00e9hicules modernes peuvent contenir plusieurs \u00e9crans, mais chaque \u00e9cran a un r\u00f4le diff\u00e9rent. Les informations affich\u00e9es et les cons\u00e9quences de leur perte doivent orienter la conception.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"automotive-instrument-cluster-display\">Automobile<a href=\"https:\/\/qihantech.com\/fr\/industrial-iot-gateway\/\" data-type=\"page\" data-id=\"1135\"> \u00c9cran du Combin\u00e9 d'Instruments<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un \u00e9cran de combin\u00e9 d'instruments automobile pr\u00e9sente la vitesse, les avertissements, les t\u00e9moins, les informations \u00e9nerg\u00e9tiques et l'\u00e9tat du v\u00e9hicule dans le champ de vision principal du conducteur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La lisibilit\u00e9 est plus importante que le spectacle visuel. Les symboles critiques doivent rester reconnaissables dans toute la plage de vision du conducteur, en plein soleil et \u00e0 faible luminosit\u00e9 nocturne. Le syst\u00e8me d'affichage doit \u00e9galement d\u00e9finir le comportement au d\u00e9marrage, l'indication des d\u00e9fauts et ce qui se produit lorsque les donn\u00e9es d'image sont retard\u00e9es ou indisponibles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les exigences pertinentes du module peuvent inclure :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Un contraste stable dans toute la zone oculaire du conducteur<\/li>\n\n\n\n<li>Un d\u00e9marrage rapide et pr\u00e9visible<\/li>\n\n\n\n<li>Une apparence d'\u00e9tat noir ma\u00eetris\u00e9e<\/li>\n\n\n\n<li>Une r\u00e9ponse \u00e0 basse temp\u00e9rature adapt\u00e9e aux exigences du v\u00e9hicule<\/li>\n\n\n\n<li>Un contr\u00f4le de luminosit\u00e9 sur une large plage de gradation<\/li>\n\n\n\n<li>Une robustesse des interfaces et de la s\u00e9quence d'alimentation<\/li>\n\n\n\n<li>Un contr\u00f4le des modifications de configuration et de composants<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Le constructeur automobile ou le fournisseur de syst\u00e8mes doit d\u00e9terminer le processus de s\u00e9curit\u00e9 applicable. Un module TFT seul ne peut pas \u00e9tablir la s\u00e9curit\u00e9 fonctionnelle du combin\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"center-information-and-infotainment-display\">\u00c9cran Central d'Information et d'Infodivertissement<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L'\u00e9cran central peut combiner la navigation, les m\u00e9dias, le contr\u00f4le climatique, les images de cam\u00e9ra et les r\u00e9glages du v\u00e9hicule. Il dispose souvent d'une surface tactile plus grande et est visualis\u00e9 \u00e0 la fois par le conducteur et le passager.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cela favorise une stabilit\u00e9 de vision grand angle, un verre de protection durable, une faible r\u00e9flexion et une r\u00e9ponse tactile constante. L'interface peut n\u00e9cessiter une bande passante plus \u00e9lev\u00e9e qu'un simple combin\u00e9, surtout lorsque l'\u00e9cran pr\u00e9sente des animations, des vid\u00e9os ou des vues multi-cam\u00e9ras.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Comme la console centrale est visible en tant qu'\u00e9l\u00e9ment du design int\u00e9rieur, l'uniformit\u00e9 de l'\u00e9tat noir, la qualit\u00e9 du collage, l'impression de la protection et la coh\u00e9rence des couleurs peuvent faire l'objet d'un examen esth\u00e9tique plus attentif.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"auxiliary-and-control-displays\">\u00c9crans Auxiliaires et <a href=\"https:\/\/qihantech.com\/fr\/smart-thermostat-control-panel\/\" data-type=\"post\" data-id=\"1258\">de Commande<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les petits \u00e9crans TFT sont \u00e9galement utilis\u00e9s dans les commandes climatiques arri\u00e8re, les remplacements de r\u00e9troviseurs, les commandes de charge, les syst\u00e8mes de portes, les machines hors route, les v\u00e9hicules commerciaux et les \u00e9quipements de seconde monte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces positions peuvent convenir parfaitement \u00e0 une plateforme TFT industrielle adapt\u00e9e aux exigences m\u00e9caniques et environnementales du v\u00e9hicule. La validation requise d\u00e9pend de l'endroit o\u00f9 l'unit\u00e9 est install\u00e9e et si elle pr\u00e9sente des informations de confort, op\u00e9rationnelles ou li\u00e9es \u00e0 la s\u00e9curit\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"tft-lcd-for-adas-information\"><a href=\"https:\/\/qihantech.com\/fr\/tft-lcd-display\/\" data-type=\"page\" data-id=\"732\">TFT LCD<\/a> pour les Informations ADAS<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un \u00e9cran LCD TFT pour l'ADAS peut afficher des images de cam\u00e9ra, un guidage de stationnement, des informations d'angle mort ou l'\u00e9tat de l'aide \u00e0 la conduite. L'\u00e9cran est un \u00e9l\u00e9ment d'une cha\u00eene de d\u00e9tection et de d\u00e9cision plus large.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La latence d'image, la continuit\u00e9 des images, la couleur et le contraste peuvent \u00eatre importants car l'utilisateur interpr\u00e8te des informations sensibles au facteur temps. La conception du syst\u00e8me doit d\u00e9finir le d\u00e9lai autoris\u00e9, le comportement apr\u00e8s perte de signal et la mani\u00e8re dont le conducteur est inform\u00e9 lorsqu'une image est indisponible ou d\u00e9grad\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le fournisseur d'\u00e9cran peut fournir des donn\u00e9es de synchronisation, d'interface et optiques. L'int\u00e9grateur syst\u00e8me reste responsable de la validation de la fonction ADAS compl\u00e8te et des exigences de s\u00e9curit\u00e9 applicables.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"digital-cockpit-displays-multiple-screens-one-visual-system\">\u00c9crans de Cockpit Num\u00e9rique : <a href=\"https:\/\/qihantech.com\/fr\/custom-lcd-and-oled-display-interfaces\/\" data-type=\"page\" data-id=\"1097\">Plusieurs \u00c9crans<\/a>, Un Syst\u00e8me Visuel<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un \u00e9cran de cockpit num\u00e9rique ne fonctionne pas isol\u00e9ment. Les combin\u00e9s d'instruments, les \u00e9crans centraux et les \u00e9crans auxiliaires peuvent \u00eatre visibles simultan\u00e9ment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Des diff\u00e9rences de point blanc, de gamma, de niveau de noir, de luminosit\u00e9 ou de temp\u00e9rature de couleur peuvent rendre les \u00e9crans adjacents visuellement incoh\u00e9rents. Cela devient plus visible la nuit et sur les interfaces utilisateur sombres.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour un cockpit multi-\u00e9crans, d\u00e9finissez :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Point blanc cible et variation acceptable<\/li>\n\n\n\n<li>Plages de luminance de jour et de nuit<\/li>\n\n\n\n<li>Comportement gamma ou en niveaux de gris<\/li>\n\n\n\n<li>Apparence de l'\u00e9tat noir<\/li>\n\n\n\n<li>Diff\u00e9rence de couleur entre \u00e9crans adjacents<\/li>\n\n\n\n<li>Commande de gradation et comportement de transition<\/li>\n\n\n\n<li>S\u00e9quence de d\u00e9marrage et temporisation du logo<\/li>\n\n\n\n<li>Orientation du polariseur et apparence r\u00e9fl\u00e9chie<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ne pas approuver chaque \u00e9cran uniquement par rapport \u00e0 sa fiche technique individuelle. Comparer les assemblages destin\u00e9s \u00e0 la production ensemble dans l'int\u00e9rieur pr\u00e9vu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"common-dimming-matters-more-than-peak-brightness\">La gradation commune importe plus que la luminosit\u00e9 de cr\u00eate<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un \u00e9cran qui se gradue diff\u00e9remment des autres peut distraire le conducteur. Enregistrer la relation entre la valeur de commande et la luminance mesur\u00e9e pour chaque \u00e9cran.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e9rifier la douceur \u00e0 faible luminosit\u00e9, la sortie minimale lisible, le comportement de scintillement et si la couleur ou l'uniformit\u00e9 change pendant la gradation. Le contr\u00f4le automatique de luminosit\u00e9 doit \u00eatre valid\u00e9 pour les transitions telles que la sortie d'un tunnel ou la conduite en plein soleil.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"sunlight-readability-in-a-vehicle\">Lisibilit\u00e9 \u00e0 la lumi\u00e8re du soleil dans un v\u00e9hicule<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un \u00e9cran automobile est en concurrence avec la lumi\u00e8re du soleil entrant par plusieurs fen\u00eatres et se r\u00e9fl\u00e9chissant sur les surfaces int\u00e9rieures. Le probl\u00e8me n'est pas r\u00e9solu par la luminosit\u00e9 seule.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La visibilit\u00e9 ext\u00e9rieure d\u00e9pend de la lumi\u00e8re \u00e9mise par l'\u00e9cran et de la lumi\u00e8re ambiante r\u00e9fl\u00e9chie par le TFT, le capteur tactile, l'adh\u00e9sif et la lentille de couverture. Un assemblage tr\u00e8s r\u00e9fl\u00e9chissant peut s'effacer m\u00eame lorsque le r\u00e9tro\u00e9clairage est puissant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sp\u00e9cifier :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c9clairement ambiant maximal pr\u00e9vu<\/li>\n\n\n\n<li>Exposition directe et indirecte au soleil<\/li>\n\n\n\n<li>Luminance de la surface de couverture finie<\/li>\n\n\n\n<li>R\u00e9flectance, voile et \u00e9blouissement autoris\u00e9s<\/li>\n\n\n\n<li>Contraste avec l'interface utilisateur de production<\/li>\n\n\n\n<li>Angle de vision par rapport aux fen\u00eatres et au conducteur<\/li>\n\n\n\n<li>Limites thermiques \u00e0 la sortie maximale du r\u00e9tro\u00e9clairage<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Mesurer la luminosit\u00e9 \u00e0 travers la pile compl\u00e8te. La luminance du panneau n'est pas la m\u00eame que la luminance \u00e0 travers un panneau tactile et une lentille de couverture.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ar-and-ag-are-different-tools\">AR et AG sont des outils diff\u00e9rents<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le traitement antireflet r\u00e9duit la r\u00e9flexion de surface semblable \u00e0 un miroir. Il est utile lorsque des objets brillants, des fen\u00eatres ou les v\u00eatements du conducteur apparaissent nettement dans l'\u00e9cran.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le traitement antireflet diffus diffuse la lumi\u00e8re r\u00e9fl\u00e9chie. Il peut r\u00e9duire les r\u00e9flexions g\u00eanantes, mais un voile excessif peut adoucir les textes fins ou cr\u00e9er des scintillements sur les petits pixels.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le traitement anti-empreintes peut am\u00e9liorer la nettoyabilit\u00e9 et l'apparence d'un \u00e9cran tactile de v\u00e9hicule. Sa dur\u00e9e de vie \u00e0 l'abrasion et sa compatibilit\u00e9 avec les agents de nettoyage int\u00e9rieurs doivent \u00eatre examin\u00e9es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00e9lectionner le traitement en fonction des cibles mesur\u00e9es de r\u00e9flexion et de qualit\u00e9 d'image plut\u00f4t qu'\u00e0 partir d'une liste de noms de rev\u00eatements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"optical-bonding\">Collage optique<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un espace d'air entre le TFT et le tactile ou la lentille de couverture cr\u00e9e des surfaces r\u00e9fl\u00e9chissantes suppl\u00e9mentaires. Le collage optique remplit cet espace avec un adh\u00e9sif transparent et peut am\u00e9liorer le contraste per\u00e7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le collage peut \u00e9galement favoriser une apparence noire plus int\u00e9gr\u00e9e et \u00e9limine la cavit\u00e9 dans laquelle la condensation pourrait se former. Il ne rend pas l'unit\u00e9 compl\u00e8te \u00e9tanche, ni n'\u00e9limine le besoin de validation du bo\u00eetier.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Inspecter un \u00e9cran automobile coll\u00e9 pour les bulles, les particules, l'alignement, les d\u00e9fauts de bord, le mura et les performances apr\u00e8s cyclage thermique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"sunlight-creates-a-thermal-test-too\">La lumi\u00e8re du soleil cr\u00e9e aussi un test thermique<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La charge solaire peut \u00e9lever la temp\u00e9rature d'un tableau de bord sombre et du bo\u00eetier de l'\u00e9cran au-dessus de la temp\u00e9rature de l'air ext\u00e9rieur. Faire fonctionner le r\u00e9tro\u00e9clairage \u00e0 la sortie maximale ajoute de la chaleur interne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tester la lisibilit\u00e9 et le comportement thermique ensemble. Confirmer la luminosit\u00e9, la couleur, la r\u00e9ponse tactile et la r\u00e9cup\u00e9ration d'image apr\u00e8s que l'\u00e9cran atteint une temp\u00e9rature interne repr\u00e9sentative.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"day-and-night-performance\">Performance de jour et de nuit<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un \u00e9cran de voiture doit \u00eatre suffisamment lumineux pour le jour mais suffisamment att\u00e9nu\u00e9 pour la conduite de nuit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La luminance de cr\u00eate retient l'attention lors de la s\u00e9lection du panneau, mais l'extr\u00e9mit\u00e9 inf\u00e9rieure de la courbe de gradation peut \u00eatre tout aussi importante. Un \u00e9cran qui ne peut pas atteindre un niveau nocturne confortable peut cr\u00e9er de l'\u00e9blouissement ou de la fatigue visuelle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examiner :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Luminance maximale \u00e0 travers l'assemblage fini<\/li>\n\n\n\n<li>Luminance minimale contr\u00f4l\u00e9e<\/li>\n\n\n\n<li>Nombre de pas de gradation utilisables<\/li>\n\n\n\n<li>Douceur des transitions de luminosit\u00e9<\/li>\n\n\n\n<li>Fr\u00e9quence PWM ou m\u00e9thode de gradation alternative<\/li>\n\n\n\n<li>Couleur et uniformit\u00e9 \u00e0 faible sortie<\/li>\n\n\n\n<li>Apparence du niveau de noir la nuit<\/li>\n\n\n\n<li>Comportement lors de la mise sous tension et des changements de mode<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Utiliser des \u00e9crans d'interface utilisateur repr\u00e9sentatifs. Un motif enti\u00e8rement blanc ne peut pas montrer si les petits avertissements restent lisibles \u00e0 la luminosit\u00e9 minimale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wide-temperature-and-image-response\">Large plage de temp\u00e9rature et r\u00e9ponse d'image<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les v\u00e9hicules subissent des d\u00e9marrages \u00e0 froid, un chauffage solaire et des changements rapides de temp\u00e9rature. Une plage de fonctionnement imprim\u00e9e ne d\u00e9crit pas chaque effet visuel dans cette plage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At low temperature, liquid-crystal response slows. Moving pointers, camera images or animations may smear or leave temporary trails. At high temperature, contrast, black level, color, backlight output and optical materials may change.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Define what the display must do at the limits:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Start and initialize within an allowed time<\/li>\n\n\n\n<li>Show readable critical information<\/li>\n\n\n\n<li>Meet an agreed response-time limit<\/li>\n\n\n\n<li>Maintain acceptable contrast and color<\/li>\n\n\n\n<li>Support touch input where required<\/li>\n\n\n\n<li>Recover without permanent defects<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Operating, storage and survival temperatures are different. Confirm the definition, dwell time, transition rate, powered state and recovery criteria for each test.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"test-the-assembly-not-only-the-bare-panel\">Test the Assembly, Not Only the Bare Panel<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The touch sensor, cover lens, adhesive, FPC, connector and housing can respond differently to thermal expansion. A bare TFT result does not prove the bonded assembly will remain free of bubbles, delamination, stress marks or touch drift.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Measure the temperature near the display inside the intended enclosure. Solar load, processors and sealed housings can make it significantly different from ambient air.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"vibration-and-mechanical-shock\">Vibration and Mechanical Shock<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A vehicle display is attached to a mechanical structure that transmits road, engine, door and equipment vibration. The mounting location determines the stress profile.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Potential failure points include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>FPC bends and stiffener transitions<\/li>\n\n\n\n<li>Connector contact and latch retention<\/li>\n\n\n\n<li>Backlight solder joints<\/li>\n\n\n\n<li>Bonding edges<\/li>\n\n\n\n<li>Frame tabs and brackets<\/li>\n\n\n\n<li>Cover-lens adhesive<\/li>\n\n\n\n<li>Glass loaded by enclosure distortion<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A display can pass a generic module test and still fail in a housing that amplifies a resonant frequency.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Define the axes, frequency range, acceleration or displacement, duration, mounting fixture and powered state. Monitor for intermittent image loss, reset, flicker and touch errors during testing where operation is required.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"avoid-mounting-stress\">Avoid Mounting Stress<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Uneven fastener torque, warped bezels and over-compressed foam can place stress on the TFT glass. Visible effects may include light leakage, pressure marks, mura or cracking.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use defined support areas, controlled torque, appropriate gaskets and FPC strain relief. Allow for expansion differences between the glass, plastic housing and metal structure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"dust-moisture-and-interior-chemicals\">Dust, Moisture and Interior Chemicals<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The TFT module itself does not establish an IP rating. Sealing depends on the cover lens, gasket, housing, adhesive, vents, connectors and cable exits.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Even inside a cabin, the display may encounter condensation, dust, skin oils, cleaning products, sunscreen or plasticizer-containing materials. Installation elsewhere in the vehicle can introduce more severe water, salt or chemical exposure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Define the actual substances and contact conditions. Chemical resistance is material- and duration-specific; \u201cautomotive chemical resistant\u201d is not a complete test requirement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The ISO 16750 series describes environmental loads for electrical and electronic vehicle equipment by mounting location. The appropriate customer or vehicle specification should still control the program.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"touchscreen-integration\">Touchscreen Integration<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Projected capacitive touch, or PCAP, is common in modern vehicle interiors because it supports a durable glass front, clear optics and multi-touch gestures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The touch sensor and controller must be designed around the final cover thickness, printed border, adhesive, grounding and electrical environment. A controller tuned on a loose evaluation panel may behave differently after installation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sp\u00e9cifier :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Number of touch points and gestures<\/li>\n\n\n\n<li>Bare-finger and glove operation<\/li>\n\n\n\n<li>Wet-finger or water-rejection behavior<\/li>\n\n\n\n<li>Minimum touch-target size<\/li>\n\n\n\n<li>Cover-lens thickness and material<\/li>\n\n\n\n<li>Controller and firmware ownership<\/li>\n\n\n\n<li>I\u00b2C or USB host interface<\/li>\n\n\n\n<li>Startup and recalibration behavior<\/li>\n\n\n\n<li>False-touch requirements<\/li>\n\n\n\n<li>Operation during electrical disturbances<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Resistive touch may remain suitable for selected utility or off-highway controls when universal glove or passive-stylus operation is more important than multi-touch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"haptic-and-force-features-need-system-definition\">Haptic and Force Features Need System Definition<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If the interface uses haptic feedback, force sensing or physical controls around the display, define timing and mechanical interaction at the system level. The TFT supplier may support the display stack, but the perceived response depends on the actuator, structure, software and control logic.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"display-interfaces-for-vehicle-systems\"><a href=\"https:\/\/qihantech.com\/fr\/custom-lcd-and-oled-display-interfaces\/\" data-type=\"page\" data-id=\"1097\">Display Interfaces<\/a> for Vehicle Systems<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The correct interface depends on display size, resolution, cable length, host architecture and electromagnetic environment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Small TFT modules may use SPI, MCU, RGB or MIPI DSI. Larger or integrated screens may use LVDS, eDP or a bridge board. Automotive system architectures may use serializer\/deserializer links between an ECU and a remote display assembly; those links and their qualification must be defined by the system designer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the TFT interface, record:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Resolution, color depth and frame rate<\/li>\n\n\n\n<li>Pixel clock or serial lane rate<\/li>\n\n\n\n<li>Timing and synchronization polarity<\/li>\n\n\n\n<li>Lane mapping and color order<\/li>\n\n\n\n<li>Logic voltage<\/li>\n\n\n\n<li>Initialization sequence<\/li>\n\n\n\n<li>Power-up and power-down sequence<\/li>\n\n\n\n<li>Backlight enable and dimming<\/li>\n\n\n\n<li>Cable length, impedance and shielding<\/li>\n\n\n\n<li>Error detection and behavior after signal loss<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The interface name alone does not prove compatibility.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"electrical-loads-are-a-system-concern\">Electrical Loads Are a System Concern<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vehicle electronics can experience supply variation and electrical transients. ISO 16750-2 addresses electrical loads for road-vehicle electrical and electronic equipment, but a TFT module is normally powered through system-level regulation rather than exposed directly to every vehicle-bus event.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Define the power architecture, protection, startup sequencing and fault recovery between the vehicle supply and display. The equipment designer remains responsible for system compliance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"emc-and-touch-noise\">EMC and Touch Noise<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Fast display signals, LED backlight drivers and PCAP scan signals can emit or receive electrical noise. Cable routing, grounding, shielding, power filtering and interface edge rate influence the result.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Test in the complete vehicle electronics environment, including communication activity, radio transmission, charging states, motor operation and maximum backlight output.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"adas-and-camera-display-considerations\">ADAS and Camera Display Considerations<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When a screen presents a camera image or driver-assistance information, image continuity and latency require explicit limits.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Demandez :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>What is the end-to-end latency budget?<\/li>\n\n\n\n<li>What frame rate is required?<\/li>\n\n\n\n<li>How is a frozen or missing image detected?<\/li>\n\n\n\n<li>What appears during link startup or failure?<\/li>\n\n\n\n<li>Are overlay alignment and color significant?<\/li>\n\n\n\n<li>What happens during processor reset or brownout?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The TFT response time and interface contribute to these answers, but camera, serializer, ECU, graphics pipeline and software contribute as well. Validate the complete chain.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do not describe a display as functionally safe simply because an IC is AEC-Q100 qualified. AEC-Q100 is a stress-test qualification for integrated circuits. It does not certify the entire display module, software function or vehicle system.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"color-black-level-and-visual-matching\">Color, Black Level and Visual Matching<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Automotive interiors expose displays to close visual comparison with illuminated controls, light guides and neighboring screens.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Useful requirements may include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>White-point target and tolerance<\/li>\n\n\n\n<li>Color-coordinate limits for telltales and brand colors<\/li>\n\n\n\n<li>Gamma or gray-scale response<\/li>\n\n\n\n<li>Black-level and light-leakage limits<\/li>\n\n\n\n<li>Unit-to-unit variation<\/li>\n\n\n\n<li>Temperature and viewing-angle color shift<\/li>\n\n\n\n<li>Matching limits between multiple displays<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">If color communicates a warning state, ensure the information remains distinguishable under expected viewing and lighting conditions. Do not rely on color alone where the system requirement calls for redundant communication.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"backlight-life-and-vehicle-duty-cycle\">Backlight Life and Vehicle Duty Cycle<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Backlight lifetime should be evaluated against actual use.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A lifetime value normally refers to operation until luminance declines to a defined percentage of the initial value under stated current and temperature conditions. Confirm the endpoint, drive current, temperature and whether the value is typical or minimum.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Estimate annual operating hours for each display mode. A cluster may operate whenever the vehicle is active, while an auxiliary display may have a shorter duty cycle. Automatic dimming and thermal derating can reduce stress.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Define the minimum acceptable luminance at the end of the vehicle&#8217;s intended service interval rather than accepting a nominal hour value without conditions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mechanical-integration\"><a href=\"https:\/\/qihantech.com\/fr\/product\/industrial-display\/\" data-type=\"product\" data-id=\"498\">Mechanical Integration<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Two displays with the same diagonal and resolution may differ in outer dimensions, active-area position, thickness, mounting points, connector and FPC exit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Control:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Module outline and maximum component height<\/li>\n\n\n\n<li>Active-area location from datums<\/li>\n\n\n\n<li>Cover viewing-window alignment<\/li>\n\n\n\n<li>Mounting and support surfaces<\/li>\n\n\n\n<li>Connector position and retention<\/li>\n\n\n\n<li>FPC length, route and bend radius<\/li>\n\n\n\n<li>Thermal expansion clearance<\/li>\n\n\n\n<li>Cover-lens and bonding-stack thickness<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Review tolerance accumulation across the display, bracket, cover lens and interior trim. Cosmetic misalignment that is invisible on a bench may become obvious after integration into a long dashboard surface.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"qualification-define-the-level-of-evidence\">Qualification: Define the Level of Evidence<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cAutomotive display\u201d can mean at least three different things:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>A display used in a vehicle-related product<\/li>\n\n\n\n<li>A module designed and tested to customer-defined automotive conditions<\/li>\n\n\n\n<li>A component or system qualified to specified automotive standards and OEM requirements<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">These are not interchangeable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">During the RFQ, identify:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Applicable customer and vehicle standards<\/li>\n\n\n\n<li>Mounting location and test severity<\/li>\n\n\n\n<li>Required documentation and traceability<\/li>\n\n\n\n<li>Critical-component qualification<\/li>\n\n\n\n<li>Sample size and test duration<\/li>\n\n\n\n<li>Change-notification process<\/li>\n\n\n\n<li>Production quality controls<\/li>\n\n\n\n<li>Functional-safety responsibilities<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">ISO 16750-1:2023 states that environmental stresses and requirements depend on the specific mounting location in or on the vehicle. Use the current customer specification and standards contractually required for the program; do not copy a generic test list from another installation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-select-a-reliable-automotive-display-supplier\">How to Select a Reliable Automotive Display Supplier<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A supplier should be evaluated on evidence and change control, not only on a product catalog.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ask-for-configuration-specific-information\">Ask for Configuration-Specific Information<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Request drawings, interface data, optical conditions and reliability information for the exact module, touch controller, cover stack and backlight under consideration.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"confirm-what-is-manufactured-and-what-is-integrated\">Confirm What Is Manufactured and What Is Integrated<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Understand which processes the supplier performs, which parts are sourced and who owns the final module specification. This affects fault analysis and change control.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"review-the-change-process\">Review the Change Process<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ask which component or process changes trigger notification, how samples are approved and what requalification is expected. Include program-specific requirements in the quality and commercial agreement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"check-lifecycle-planning\">Check Lifecycle Planning<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vehicle programs can require supply and service support beyond a typical consumer panel cycle. Ask about material controls, end-of-life communication, retained documentation, approved alternatives and last-time-buy planning.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"evaluate-engineering-communication\">Evaluate Engineering Communication<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A strong supplier should identify uncertainty. If glove performance, temperature behavior or qualification status has not been verified for the exact stack, the answer should be a test plan rather than an unconditional promise.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"automotive-display-rfq-checklist\">Automotive Display RFQ Checklist<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Provide:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Display function and mounting location<\/li>\n\n\n\n<li>Safety relevance defined by the system owner<\/li>\n\n\n\n<li>Visible area, maximum outline and installation orientation<\/li>\n\n\n\n<li>Resolution, frame rate and UI content<\/li>\n\n\n\n<li>Day and night luminance requirements<\/li>\n\n\n\n<li>Finished-stack reflectance, haze or glare targets<\/li>\n\n\n\n<li>Viewing cone and driver eye-box information<\/li>\n\n\n\n<li>Operating, storage and solar-load temperatures<\/li>\n\n\n\n<li>Vibration, shock, humidity and chemical conditions<\/li>\n\n\n\n<li>TFT interface, host processor and cable length<\/li>\n\n\n\n<li>Power architecture and dimming method<\/li>\n\n\n\n<li>PCAP or resistive-touch requirements<\/li>\n\n\n\n<li>Cover-lens drawing and surface treatment<\/li>\n\n\n\n<li>Bonding and sealing requirements<\/li>\n\n\n\n<li>Prototype, validation and production quantities<\/li>\n\n\n\n<li>Program timing and required support period<\/li>\n\n\n\n<li>Required standards, reports and traceability<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Mark each item as fixed, preferred or open to supplier recommendation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"a-practical-validation-sequence\">A Practical Validation Sequence<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-confirm-the-display-on-the-intended-host\">1. Confirm the Display on the Intended Host<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Verify timing, initialization, frame updates, color order, sleep, wake, dimming and behavior after signal interruption.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-install-the-production-intent-optical-stack\">2. Install the Production-Intent Optical Stack<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Add the touch panel, adhesive, cover lens and interior trim. Measure luminance and inspect reflections through the completed surface.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-check-every-viewing-position\">3. Check Every Viewing Position<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Use driver and passenger eye positions, both day and night interfaces, and polarized sunglasses where relevant.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-run-thermal-and-solar-load-tests\">4. Run Thermal and Solar-Load Tests<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Monitor image response, brightness, touch behavior, internal temperature and recovery at the required limits.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5-test-vibration-and-electrical-operating-modes\">5. Test Vibration and Electrical Operating Modes<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Use the intended mounting, cable route and power system. Monitor intermittent faults rather than inspecting only after the test.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"6-compare-multiple-screens-together\">6. Compare Multiple Screens Together<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For a digital cockpit, evaluate brightness transitions, white point, black level and startup behavior as one visual system.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"7-freeze-the-approved-configuration\">7. Freeze the Approved Configuration<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Record module revision, critical components, initialization code, touch firmware, cover artwork, bonding stack, acceptance criteria and golden samples.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-qihan-supports-vehicle-display-projects\">How QIHAN Supports Vehicle Display Projects<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">QIHAN manufactures and supplies small and medium-sized TFT LCD modules from 0.96 to 15.6 inches for industrial, embedded, HMI and vehicle-related applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">QIHAN&#8217;s published capabilities include selected high-brightness, transflective and wide-temperature TFT solutions, custom FPC and interfaces, capacitive or resistive touch, custom cover glass, optical bonding, driver boards and interface conversion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The company&#8217;s published resources include high- and low-temperature testing, vibration testing, backlight assembly, CTP assembly and TFT-to-CTP optical bonding.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These capabilities do not mean every QIHAN module is automatically qualified for every automotive OEM or safety-related function. The required materials, test plan, traceability and approval process must be agreed for the exact project.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"frequently-asked-questions\">Questions fr\u00e9quemment pos\u00e9es<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-brightness-does-an-automotive-tft-lcd-need\">What brightness does an automotive TFT LCD need?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">There is no universal value. Brightness depends on mounting location, direct-sun exposure, reflection, cover stack, viewing angle and thermal limits. Specify luminance through the finished surface and validate it in the intended vehicle geometry.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"why-is-low-minimum-brightness-important\">Why is low minimum brightness important?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A screen that remains too bright at night can create glare. Review the complete dimming range, low-level uniformity, flicker behavior and color stability, not only peak luminance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"does-a-wide-temperature-rating-guarantee-fast-images-in-the-cold\">Does a wide-temperature rating guarantee fast images in the cold?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. The display may operate while liquid-crystal response becomes slower. Set a cold response-time or task-based readability criterion for clusters, cameras and moving graphics.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"is-an-aec-q100-display-automatically-automotive-qualified\">Is an AEC-Q100 display automatically automotive qualified?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">AEC-Q100 applies to integrated-circuit qualification. An AEC-qualified driver or controller does not by itself qualify the TFT module, display assembly or vehicle system.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"is-optical-bonding-required-for-every-car-display\">Is optical bonding required for every car display?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. It is valuable when reflection, condensation risk, black appearance or stack integration justifies it. The decision should consider cost, repair strategy and the complete environmental requirement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"which-interface-is-best-for-a-vehicle-tft-display\">Which interface is best for a vehicle TFT display?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It depends on resolution, bandwidth, cable length and system architecture. Compact local modules may use SPI, RGB or MIPI DSI, while remote or larger displays may require LVDS, eDP or serializer\/deserializer architectures.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"can-qihan-provide-a-custom-vehicle-touch-display\">Can QIHAN provide a custom vehicle touch display?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QIHAN supports project-based TFT, PCAP\/RTP touch, cover glass, optical bonding, FPC, interface and driver-board customization. Automotive qualification and exact performance must be reviewed and agreed for the selected construction.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"select-by-location-then-validate-the-complete-system\">Select by Location, Then Validate the Complete System<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Automotive TFT LCD requirements begin with where the display sits and what the driver depends on it to communicate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Define the eye box before the viewing angle. Define the optical stack before the brightness. Measure the internal temperature rather than assuming ambient air. Match vibration to the installed structure, and treat an IC qualification separately from module and system approval.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">QIHAN can help evaluate a small TFT platform, brightness, viewing configuration, touch and cover stack, FPC, interface and bonding solution for a vehicle display project.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/qihantech.com\/fr\/contact-us\/\">Send your automotive display requirements to QIHAN<\/a>.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>There is no single specification for an automotive TFT LCD display. A screen in the center console, an instrument cluster behind the steering wheel and a compact display mounted near a camera or control unit do not experience the same light, temperature, viewing angle or safety consequences. The installation location should therefore come before the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1458,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[26],"tags":[],"class_list":["post-1446","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lcd-display-news"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/qihantech.com\/fr\/wp-json\/wp\/v2\/posts\/1446","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qihantech.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qihantech.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qihantech.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qihantech.com\/fr\/wp-json\/wp\/v2\/comments?post=1446"}],"version-history":[{"count":2,"href":"https:\/\/qihantech.com\/fr\/wp-json\/wp\/v2\/posts\/1446\/revisions"}],"predecessor-version":[{"id":1465,"href":"https:\/\/qihantech.com\/fr\/wp-json\/wp\/v2\/posts\/1446\/revisions\/1465"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qihantech.com\/fr\/wp-json\/wp\/v2\/media\/1458"}],"wp:attachment":[{"href":"https:\/\/qihantech.com\/fr\/wp-json\/wp\/v2\/media?parent=1446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qihantech.com\/fr\/wp-json\/wp\/v2\/categories?post=1446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qihantech.com\/fr\/wp-json\/wp\/v2\/tags?post=1446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}