{"id":196571,"date":"2016-09-29T23:28:07","date_gmt":"2016-09-29T23:28:07","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/des-nanoplaquettes-qui-vont-revolutionner-les-ecrans\/"},"modified":"2016-09-29T23:28:07","modified_gmt":"2016-09-29T23:28:07","slug":"des-nanoplaquettes-qui-vont-revolutionner-les-ecrans","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/des-nanoplaquettes-qui-vont-revolutionner-les-ecrans\/","title":{"rendered":"Des nanoplaquettes qui vont r\u00e9volutionner les \u00e9crans"},"content":{"rendered":"<p>La start-up fran\u00e7aise Nexdot a vu le jour en 2010 au sein de l&rsquo;\u00c9cole Sup\u00e9rieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris) o\u00f9 elle est alors incub\u00e9e. Elle a d\u00e9pos\u00e9 46 brevets dans le monde entier pour prot\u00e9ger \u00e0 la fois les mat\u00e9riaux et les applications de mani\u00e8re \u00e0 \u00eatre en mesure de proposer \u00e0 ses futurs partenaires industriels des solutions abouties pr\u00eates \u00e0 \u00eatre appliqu\u00e9es.<\/p>\n<p>Les nanoplaquettes produite par Nexdot sont une nouvelle g\u00e9n\u00e9ration de nanocristaux de semi-conducteurs \u00e0 confinement quantique, de taille inf\u00e9rieure \u00e0 10 nanom\u00e8tres (quantum dots) ayant pour sp\u00e9cificit\u00e9 d\u2019\u00eatre contr\u00f4l\u00e9s en \u00e9paisseur \u00e0 l\u2019atome pr\u00e8s. La soci\u00e9t\u00e9 dispose d\u2019un savoir-faire dans la synth\u00e8se des nanoplaquettes c\u0153ur\/coque collo\u00efdales. Pour Beno\u00eet Dubertret, fondateur de Nexdot&nbsp;<em>\u00ab&nbsp;Nous sommes un peu le joaillier des semiconducteurs<\/em>&nbsp;\u00bb.<\/p>\n<hr \/>\n<p><strong>Le principal march\u00e9 vis\u00e9 par Nexdot est celui des \u00e9crans (TV, ordinateur, smartphone).<\/strong><\/p>\n<p>Les quantum dots permettent d\u00e9j\u00e0 d\u2019obtenir en \u00e9mission, un rouge et un vert des plus purs \u00e0 partir d\u2019une LED bleue, et d\u2019offrir au final une gamme de couleurs beaucoup plus riche que dans les \u00e9crans LCD traditionnels. Mais les quantum dots actuels propos\u00e9s sur le march\u00e9 souffrent de limitations li\u00e9es \u00e0 leur forme sph\u00e9rique et au fait que leur taille ne peut \u00eatre ma\u00eetris\u00e9e avec une tr\u00e8s grande pr\u00e9cision. A l\u2019inverse, les nanoplaquettes d\u00e9velopp\u00e9es et optimis\u00e9es par Nexdot ont une forme plane contr\u00f4l\u00e9e en \u00e9paisseur \u00e0 l\u2019atome pr\u00e8s, ce qui leur permet d\u2019obtenir un niveau de puret\u00e9 de couleur in\u00e9gal\u00e9e et d\u2019offrir en cons\u00e9quence une excellente richesse colorim\u00e9trique \u00e0 un co\u00fbt tr\u00e8s comp\u00e9titif.<\/p>\n<p>Outre les \u00e9crans, il y aussi des opportunit\u00e9s dans le domaine de la sant\u00e9, avec l\u2019utilisation des nanoplaquettes comme marqueurs de diagnostic in-vitro, dans celui de la r\u00e9alit\u00e9 augment\u00e9e ou encore de l\u2019\u00e9clairage LED.<em> <\/em>Un autre point fort des nanoplaquettes est de permettre la fabrication de produits moins \u00e9nergivores. Par exemple, les t\u00e9l\u00e9viseurs QD (quantum dots) permettent d\u2019\u00e9conomiser 20% d\u2019\u00e9lectricit\u00e9 par rapport aux technologies traditionnelles. La technologie de rupture d\u00e9velopp\u00e9e par Nexdot offre des perspectives de d\u00e9veloppement int\u00e9ressantes gr\u00e2ce \u00e0 des mat\u00e9riaux innovants tant d\u2019un point de vue de leurs propri\u00e9t\u00e9s optiques et \u00e9nerg\u00e9tiques que des march\u00e9s qu\u2019ils pourraient adresser.<\/p>\n<p><a href=\"http:\/\/www.nexdot.fr\/\">http:\/\/www.nexdot.fr\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les nanoplaquettes offrent des propri\u00e9t\u00e9s opto-\u00e9lectroniques d\u2019un grand int\u00e9r\u00eat dans le domaine des\u00a0\u00e9crans\u00a0(TV, ordinateur, smartphone) mais \u00e9galement de l\u2019\u00e9clairage, du\u00a0diagnostic m\u00e9dical\u00a0et de la d\u00e9tection infrarouge.<\/p>\n","protected":false},"author":11,"featured_media":196572,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[],"domains":[47],"ppma_author":[1143],"class_list":["post-196571","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Des nanoplaquettes qui vont r\u00e9volutionner les \u00e9crans ...<\/title>\n<meta name=\"description\" content=\"Les nanoplaquettes offrent des propri\u00e9t\u00e9s opto-\u00e9lectroniques d\u2019un grand int\u00e9r\u00eat dans le domaine des\u00a0\u00e9crans\u00a0(TV, ordinateur, smartphone) mais...\" \/>\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\/196571\/\" \/>\n<meta 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