{"id":200187,"date":"2016-08-26T00:40:05","date_gmt":"2016-08-26T00:40:05","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/une-technologie-led-pour-booster-les-debits-de-donnees-li-fi\/"},"modified":"2016-08-26T00:40:05","modified_gmt":"2016-08-26T00:40:05","slug":"une-technologie-led-pour-booster-les-debits-de-donnees-li-fi","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/une-technologie-led-pour-booster-les-debits-de-donnees-li-fi\/","title":{"rendered":"Une technologie LED pour booster les d\u00e9bits de donn\u00e9es Li-Fi"},"content":{"rendered":"<p>En m\u00e9langeant une solution trait\u00e9e de nano-cristaux p\u00e9rovskite (CsPbBr3) avec un phosphore rouge classique, ils ont obtenu ce qu&rsquo;ils pr\u00e9sentent comme un convertisseur de lumi\u00e8re blanche \u00e0 base de phosphore CsPbBr3 NC qui donne une bande passante de modulation de 491 MHz et&nbsp;permettrait des&nbsp;d\u00e9bits jusqu&rsquo;\u00e0 2 Gbit\/s, soit, beaucoup plus rapide que le Wi-Fi.<\/p>\n<p>Ce serait le moyen de lancer la technologie VLC qui actuellement butte sur l&rsquo;utilisation des LED blanches qui n&rsquo;offrent pas une bonne capacit\u00e9 de modulation du phosphore.<\/p>\n<p>De plus, l\u2019association phosphore rouge et p\u00e9rovskite donne au mat\u00e9riau composite une lumi\u00e8re blanche avec un indice de rendu des couleurs de 89 et une temp\u00e9rature de couleur corr\u00e9l\u00e9e de 3236 \u00b0K, ce qui fait que le blanc des LED convient aux applications d&rsquo;\u00e9clairage de confort.<\/p>\n<p><a href=\"http:\/\/www.kaust.edu.sa\">Abdullah University King of Science &amp; Technology \u00e0 www.kaust.edu.sa<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans un article publi\u00e9 dans la revue ACS Photonics, une \u00e9quipe de chercheurs pluridisciplinaires de l&rsquo;Abdullah University King of Science and Technology (KAUST) du Royaume d&rsquo;Arabie Saoudite a pr\u00e9sent\u00e9 un convertisseur de lumi\u00e8re blanche \u00e0 base de phosphore avec une bande passante de modulation environ 40 fois plus \u00e9lev\u00e9 que les luminophores LED d&rsquo;aujourd&rsquo;hui.<\/p>\n","protected":false},"author":11,"featured_media":200188,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[883],"tags":[],"domains":[47],"ppma_author":[1143],"class_list":["post-200187","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologies","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Une technologie LED pour booster les d\u00e9bits de donn\u00e9es Li-Fi ...<\/title>\n<meta name=\"description\" content=\"Dans un article publi\u00e9 dans la revue ACS Photonics, une \u00e9quipe de chercheurs pluridisciplinaires de l&#039;Abdullah University King of Science and Technology...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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