{"id":141798,"date":"2021-10-19T19:27:41","date_gmt":"2021-10-19T13:57:41","guid":{"rendered":"https:\/\/blog.forumias.com\/?p=141798"},"modified":"2021-10-22T17:26:42","modified_gmt":"2021-10-22T11:56:42","slug":"iit-madras-researchers-design-white-light-emitters-for-led-applications","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/iit-madras-researchers-design-white-light-emitters-for-led-applications\/","title":{"rendered":"IIT-Madras researchers design white light emitters for LED applications"},"content":{"rendered":"\n<h5><b>What is the News?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">Researchers at the Indian Institute of Technology (IIT) Madras have successfully developed a white light emitter for use in LEDs.<\/span><\/p>\n<h5><b>What is <\/b><b>LED (Light-Emitting Diodes)?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">A light-emitting diode (LED) is a semiconductor device that emits light when an electric current is passed through it.\u00a0<\/span><\/p>\n<h5><b>How do LEDs emit white light?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">Conventional LED materials <strong>cannot emit white light<\/strong> and specialised techniques, such as coating blue LED with yellow phosphor and combining blue, green and red LEDs, have been used to produce white light.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hence, there has been a worldwide search for materials that can directly emit white light rather than through these indirect techniques that can cause loss of efficiency.<\/span><\/p>\n<h5><b>What have the researchers at IIT Madras developed?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">Researchers at the IIT Madras have successfully developed a white light emitter for use in LEDs.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">They have developed this by exploring crystalline materials called \u2018Halide-Perovskites\u2019. These materials have extraordinary optoelectronic properties and excellent light-to-current conversion efficiencies.\u00a0<\/span><\/p>\n<h5><b>What is the significance of this development?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">These indigenously-developed bright white light emitters can potentially replace the conventional high-cost materials and phenomenally save the energy cost per lumens.<\/span><\/p>\n<p><b>Source: <\/b><span style=\"font-weight: 400;\">This post is based on the article<\/span><b> \u201c<\/b><b>IIT-Madras researchers design white light emitters for LED applications<\/b><b>\u201d<\/b><span style=\"font-weight: 400;\"> published in<\/span><b> Down To Earth <\/b>on <b>18th October 2021.<\/b><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the News? Researchers at the Indian Institute of Technology (IIT) Madras have successfully developed a white light emitter for use in LEDs. What is LED (Light-Emitting Diodes)? A light-emitting diode (LED) is a semiconductor device that emits light when an electric current is passed through it.\u00a0 How do LEDs emit white light? Conventional&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/iit-madras-researchers-design-white-light-emitters-for-led-applications\/\">Continue reading <span class=\"screen-reader-text\">IIT-Madras researchers design white light emitters for LED applications<\/span><\/a><\/p>\n","protected":false},"author":10317,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,9],"tags":[2446,10338],"class_list":["post-141798","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-public","tag-led","tag-white-light-emitter","entry"],"jetpack_featured_media_url":"","views":{"total":0,"cached_at":"","cached_date":1704828163},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/141798","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10317"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=141798"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/141798\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=141798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=141798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=141798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}