{"id":4172,"date":"2023-01-30T12:42:44","date_gmt":"2023-01-30T12:42:44","guid":{"rendered":"https:\/\/www.led-flash.fr\/?p=4172"},"modified":"2023-01-30T12:45:52","modified_gmt":"2023-01-30T12:45:52","slug":"led-cob","status":"publish","type":"post","link":"https:\/\/www.led-flash.fr\/blog\/led-cob\/","title":{"rendered":"UNE LED COB, C\u2019EST QUOI ?"},"content":{"rendered":"<p>LED COB, LED dip, LED SMD, LED High Power\u2026 Au gr\u00e9 des progr\u00e8s technologiques, la LED se d\u00e9cline en de nouvelles variantes afin de satisfaire tous les besoins d\u2019\u00e9clairage. D\u2019\u00eatre toujours plus efficace. Aujourd\u2019hui, nous allons nous pencher plus particuli\u00e8rement sur la LED COB, dans sa forme originale ainsi que sous sa version en filament.<\/p>\n<h2>LED COB\u00a0: de quoi s\u2019agit-il\u00a0?<\/h2>\n<p>La LED COB est ni plus ni moins la version la plus\u00a0<strong>performante<\/strong>\u00a0de la famille des DEL. COB est l\u2019acronyme de \u00ab\u00a0Chip On Board\u00a0\u00bb, en fran\u00e7ais\u00a0<strong>puce sur circuit<\/strong>. Techniquement, cette technologie n\u2019est pas tellement \u00e9loign\u00e9e des LED SMD (les modules qui sont utilis\u00e9s sur les bandeaux LED, par exemple, mais que l\u2019on retrouve aussi dans les ampoules). La grande diff\u00e9rence est que la LED COB est en mesure d\u2019accueillir davantage de diodes que la SMD.<\/p>\n<p>Par d\u00e9finition de haute puissance, les premiers jours de la LED COB l\u2019ont destin\u00e9e \u00e0 \u00eatre utilis\u00e9e dans des applications n\u00e9cessitant un\u00a0<strong>\u00e9clairage vif.<\/strong><\/p>\n<p>\u00c0 savoir :<\/p>\n<ul>\n<li>Les \u00e9clairage industriel<\/li>\n<li>\u00c9clairage agricole<\/li>\n<li>L\u2019\u00e9clairage public<\/li>\n<li>Projecteurs LED pour l\u2019ext\u00e9rieur (\u00e9clairage de jardin, etc.)<\/li>\n<\/ul>\n<p>Aujourd\u2019hui plus abordable, cette technologie COB s\u2019invite dans les ampoules LED afin d\u2019offrir un \u00e9clairage puissant sous forme compacte. Cependant, en raison de la simplicit\u00e9 de son architecture elle ne peut offrir qu\u2019une seule\u00a0<a href=\"https:\/\/led-flash.fr\/blog\/blanc-chaud-blanc-neutre-et-blanc-froid\/\" target=\"_blank\" rel=\"noopener noreferrer\">couleur de lumi\u00e8re<\/a>\u00a0(un seul circuit et 2 contacts). Cette simplicit\u00e9 se refl\u00e8te dans l\u2019apparence de la LED, qui forme un\u00a0<strong>bloc compact<\/strong>. Cela d\u00e9bouche sur un rendement encore sup\u00e9rieur au SMD (lumens par watt). Mais \u00e9galement\u00a0sur des ampoules LED qui chauffent encore moins.<\/p>\n<h2>LED COB filament\u00a0: pour cr\u00e9er des ampoules LED r\u00e9tro, originales<\/h2>\n<p>L\u2019une des derni\u00e8res nouveaut\u00e9s de l\u2019univers de la LED est la LED COB filament. Ce dispositif reprend la m\u00eame technologie que la COB classique, \u00e0 la diff\u00e9rence que le module, au lieu de se pr\u00e9senter dans la configuration d\u2019une puce, prend la\u00a0<strong>forme d\u2019un filament<\/strong>. Techniquement, il s\u2019agit simplement d\u2019une enfilade de LED COB le long d\u2019un conducteur. Le tout est recouvert de silicium afin d\u2019obtenir une lumi\u00e8re homog\u00e8ne.<\/p>\n<p>Cette avanc\u00e9e permet donc de cr\u00e9er des ampoules LED de type bulbe\u00a0<strong>tr\u00e8s esth\u00e9tiques<\/strong>. C\u2019est notamment des LED COB filament qui fournissent la lumi\u00e8re des ampoules\u00a0<a href=\"https:\/\/led-flash.fr\/blog\/ampoules-a-filament\/\" target=\"_blank\" rel=\"noopener noreferrer\">LED vintage<\/a>\u00a0qui peuvent prend de nombreuses formes (torche, Edison, flamme, etc.).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LED COB, LED dip, LED SMD, LED High Power\u2026 Au gr\u00e9 des progr\u00e8s technologiques, la LED se d\u00e9cline en de nouvelles variantes afin de satisfaire tous les besoins d\u2019\u00e9clairage. D\u2019\u00eatre toujours plus efficace. Aujourd\u2019hui, nous allons nous pencher plus particuli\u00e8rement sur la LED COB, dans sa forme originale ainsi que sous sa version en filament. &#8230; <a title=\"UNE LED COB, C\u2019EST QUOI ?\" class=\"read-more\" href=\"https:\/\/www.led-flash.fr\/blog\/led-cob\/\" aria-label=\"Plus sur UNE LED COB, C\u2019EST QUOI ?\">Lire plus<\/a><\/p>\n","protected":false},"author":1,"featured_media":2905,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[125],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>UNE LED COB, C\u2019EST QUOI ? - Led : Fournisseur Fran\u00e7ais TechLED<\/title>\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.led-flash.fr\/blog\/led-cob\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UNE LED COB, C\u2019EST QUOI ? - Led : Fournisseur Fran\u00e7ais TechLED\" \/>\n<meta property=\"og:description\" content=\"LED COB, LED dip, LED SMD, LED High Power\u2026 Au gr\u00e9 des progr\u00e8s technologiques, la LED se d\u00e9cline en de nouvelles variantes afin de satisfaire tous les besoins d\u2019\u00e9clairage. D\u2019\u00eatre toujours plus efficace. Aujourd\u2019hui, nous allons nous pencher plus particuli\u00e8rement sur la LED COB, dans sa forme originale ainsi que sous sa version en filament. ... 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