{"id":183609,"date":"2017-02-08T00:00:00","date_gmt":"2017-02-08T00:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/del-tricolore-reflecteur-ultra-miniature-a-forte-luminosite\/"},"modified":"2017-02-08T00:00:00","modified_gmt":"2017-02-08T00:00:00","slug":"del-tricolore-reflecteur-ultra-miniature-a-forte-luminosite","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/del-tricolore-reflecteur-ultra-miniature-a-forte-luminosite\/","title":{"rendered":"DEL tricolore r\u00e9flecteur ultra miniature \u00e0 forte luminosit\u00e9"},"content":{"rendered":"<p>Cette DEL tire profit de la technologie de miniaturisation propri\u00e9taire d\u00e9velopp\u00e9e depuis de nombreuses ann\u00e9es pour obtenir une surface de montage particuli\u00e8rement r\u00e9duite de seulement 1,8&nbsp;x&nbsp;1,6&nbsp;mm. Cela permet une int\u00e9gration haute densit\u00e9 et fournit d&rsquo;excellentes caract\u00e9ristiques de m\u00e9lange des couleurs, garantissant ainsi la prise en charge des matrices de DEL haute r\u00e9solution.<\/p>\n<p>Pour allumer les sources lumineuses matricielles, il est n\u00e9cessaire de prendre des mesures contre les d\u00e9charges \u00e9lectrostatiques (DES). Contrairement aux solutions conventionnelles qui font appel \u00e0 une diode Zener, cette DEL utilise un \u00e9l\u00e9ment avec une r\u00e9sistance \u00e9lev\u00e9e aux DES. En \u00e9liminant la diode Zener, il devient alors possible de limiter l\u2019influence des \u00e9missions de lumi\u00e8re des blocs voisins dans les circuits matriciels et ainsi obtenir un affichage plus net.<\/p>\n<p>L&rsquo;association des cadres plaqu\u00e9s argent et des r\u00e9sines silicone utilis\u00e9es dans les DEL traditionnelles entra\u00eene g\u00e9n\u00e9ralement une baisse de la luminosit\u00e9 au bout d&rsquo;un&nbsp;an due \u00e0 une sulfuration de 30&nbsp;% caus\u00e9e par des composants soufr\u00e9s dans l&rsquo;air provenant de la fum\u00e9e de tabac et des gaz d&rsquo;\u00e9chappement, ce qui engendre des probl\u00e8mes pour la fiabilit\u00e9 \u00e0 long terme. En r\u00e9ponse \u00e0 cela, cette DEL utilise un substrat plaqu\u00e9 or qui pr\u00e9vient la sulfuration, m\u00eame lorsque des emballages en r\u00e9sine silicone sont utilis\u00e9s. Cela minimise les pertes de luminosit\u00e9 et contribue \u00e0 am\u00e9liorer la fiabilit\u00e9 \u00e0 long terme de l&rsquo;application.<\/p>\n<p><a href=\"http:\/\/www.rohm.com\/web\/global\/products\/-\/product\/MSL0402RGBU\" target=\"_blank\" rel=\"noopener\">www.rohm.com\/MSL0402RGBU<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Optimis\u00e9e pour les appareils grand public comme les sources lumineuses matricielles pour les jeux et les appareils portables qui n\u00e9cessitent une miniaturisation accrue, la DEL tricolore de type r\u00e9flecteur ultra-compacte MSL0402RGBU de ROHM offre une des luminosit\u00e9s les plus fortes du march\u00e9 actuel.<\/p>\n","protected":false},"author":9,"featured_media":183610,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[907],"domains":[47],"ppma_author":[1141],"class_list":["post-183609","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-optoelectronics-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>DEL tricolore r\u00e9flecteur ultra miniature \u00e0 forte luminosit\u00e9 ...<\/title>\n<meta name=\"description\" content=\"Optimis\u00e9e pour les appareils grand public comme les sources lumineuses matricielles pour les jeux et les appareils portables qui n\u00e9cessitent une...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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