{"id":191150,"date":"2016-11-25T03:25:24","date_gmt":"2016-11-25T03:25:24","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/un-concept-novateur-de-chaine-de-led-pour-leclairage-ambiant\/"},"modified":"2016-11-25T03:25:24","modified_gmt":"2016-11-25T03:25:24","slug":"un-concept-novateur-de-chaine-de-led-pour-leclairage-ambiant","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/un-concept-novateur-de-chaine-de-led-pour-leclairage-ambiant\/","title":{"rendered":"Un concept novateur de cha\u00eene de LED pour l&rsquo;\u00e9clairage ambiant"},"content":{"rendered":"<p>\u00c0 l&rsquo;int\u00e9rieur des voitures, les \u00e9l\u00e9ments visuels sont de plus en plus nombreux,&nbsp;le nombre et la taille des \u00e9crans d&rsquo;affichage augmentant avec chaque nouvelle g\u00e9n\u00e9ration de v\u00e9hicules, gr\u00e2ce \u00e0 des concepts HMI innovants et \u00e0 l&rsquo;objectif de cr\u00e9er une signature distinctive. De m\u00eame, l&rsquo;\u00e9clairage ambiant avec des couleurs s\u00e9lectionnables et contr\u00f4lables est une option de plus en plus populaire. Dans le contexte de cette tendance de conception, l&rsquo;alliance ISELED a d\u00e9velopp\u00e9 un concept d&rsquo;\u00e9clairage qui am\u00e9liore consid\u00e9rablement la libert\u00e9 des concepteurs. Dans le m\u00eame temps, le concept peut \u00eatre utilis\u00e9 pour soutenir des fonctions techniques comme les avertissements de danger d&rsquo;un ADAS. Le groupe comprend Inova Semiconductor (\u00e0 l&rsquo;origine de la famille de protocoles APIX pour la connectivit\u00e9 d&rsquo;affichage en voiture), ainsi que les technologies d&rsquo;Opto Techologies (un fabricant de LED orient\u00e9 sur l&rsquo;\u00e9clairage automobile), NXP, TE Connectivity et l&rsquo;Universit\u00e9 de Pforzheim<\/p>\n<p>Le groupe a d\u00e9velopp\u00e9 une s\u00e9rie de LEDs RVB multiples (th\u00e9oriquement, jusqu&rsquo;\u00e0 4096 triplets seraient possibles, mais le groupe s&rsquo;attend \u00e0 ce qu&rsquo;en r\u00e9alit\u00e9, environ 10 \u00e0 30 LEDs soient mise en \u0153uvre) qui peuvent \u00eatre adress\u00e9es et contr\u00f4l\u00e9es individuellement par un simple fil ex\u00e9cutant un protocole de contr\u00f4le \u00e0 grande vitesse. Pour le contr\u00f4le\/commande, le syst\u00e8me utilise un microcontr\u00f4leur bas\u00e9 sur ARM de NXP. Couleur et luminosit\u00e9 de chaque LED peuvent \u00eatre contr\u00f4l\u00e9es individuellement. Les LED sont int\u00e9gr\u00e9es \u00e0 un dispositif logique individuel relativement simple qui stocke \u00e9galement les donn\u00e9es d&rsquo;\u00e9talonnage exactes de chaque LED &#8211; de cette fa\u00e7on, le syst\u00e8me peut compenser les variations individuelles, explique Tek Beng Low, vice-pr\u00e9sident senior de Opto Technologies . \u00abToutes les LED ont absolument la m\u00eame luminosit\u00e9\u00bb. La puce contient \u00e9galement trois sources de courant constant &#8211; une pour la LED rouge, verte et bleue ainsi qu&rsquo;une sonde de temp\u00e9rature et les circuits d&rsquo;interface n\u00e9cessaires. Cette puce et le triplet LED viennent dans un bo\u00eetier de 2,8 x 4,1 x 0,65 mm. Le syst\u00e8me offre une capacit\u00e9 de diagnostic et r\u00e9pond aux exigences de la norme de s\u00e9curit\u00e9 ISO 26262.<\/p>\n<p>Ce respect de la norme s&rsquo;impose en raison du lien avec les syst\u00e8mes ADAS, d\u00e9clare Robert Kraus, PDG d&rsquo;Inova. Malgr\u00e9 une complexit\u00e9 apparente, il est moins co\u00fbteux qu&rsquo;un syst\u00e8me comparable mis en \u0153uvre avec des composants discrets qui serait la seule alternative \u00e0 l&rsquo;\u00e9tat actuel de la technologie, assure Robert Kraus. Le d\u00e9veloppement vient de la demande de BMW. \u00abL&rsquo;\u00e9clairage est une chose extr\u00eamement \u00e9motionnelle\u00bb, explique Robert Isele, qui supervise BMW Interior Lighting. La soci\u00e9t\u00e9 pr\u00e9voit utiliser la technique ISELED pour impl\u00e9menter les fonctions \u00ab\u00a0bienvenue\u00a0\u00bb.<\/p>\n<p>Les applications de l&rsquo;approche ISELED ne sont pas limit\u00e9es aux voitures. Le groupe a l&rsquo;intention d&rsquo;\u00e9quiper les avions, les trains, les navires de croisi\u00e8re ainsi que les magasins avec ses effets d&rsquo;\u00e9clairage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une alliance ouverte d&rsquo;entreprises (plus une universit\u00e9) a d\u00e9velopp\u00e9 un concept d&rsquo;\u00e9clairage ambiant dans les futures g\u00e9n\u00e9rations automobiles. Le concept est bas\u00e9 sur des diodes num\u00e9riques adressables et contr\u00f4lables qui peuvent changer de couleur. Le processus de s\u00e9lection des LED doit \u00eatre minutieux afin qu&rsquo;elles offrent exactement la m\u00eame luminosit\u00e9 et la m\u00eame couleur.<\/p>\n","protected":false},"author":11,"featured_media":191151,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[883],"tags":[891,892],"domains":[47],"ppma_author":[1143],"class_list":["post-191150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologies","tag-automotive-fr","tag-ledlighting-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Un concept novateur de cha\u00eene de LED pour l&#039;\u00e9clairage ambiant ...<\/title>\n<meta name=\"description\" content=\"Une alliance ouverte d&#039;entreprises (plus une universit\u00e9) a d\u00e9velopp\u00e9 un concept d&#039;\u00e9clairage ambiant dans les futures g\u00e9n\u00e9rations automobiles. Le...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/191150\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un concept novateur de cha\u00eene de LED pour l&#039;\u00e9clairage ambiant\" \/>\n<meta property=\"og:description\" content=\"Une alliance ouverte d&#039;entreprises (plus une universit\u00e9) a d\u00e9velopp\u00e9 un concept d&#039;\u00e9clairage ambiant dans les futures g\u00e9n\u00e9rations automobiles. Le concept est bas\u00e9 sur des diodes num\u00e9riques adressables et contr\u00f4lables qui peuvent changer de couleur. Le processus de s\u00e9lection des LED doit \u00eatre minutieux afin qu&#039;elles offrent exactement la m\u00eame luminosit\u00e9 et la m\u00eame couleur.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/191150\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2016-11-25T03:25:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.eenewseurope.com\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/innovative_leds.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"595\" \/>\n\t<meta property=\"og:image:height\" content=\"298\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Daniel Cardon\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daniel Cardon\" 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