{"id":126041,"date":"2026-09-24T14:16:08","date_gmt":"2026-09-24T08:46:08","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=126041"},"modified":"2026-09-24T14:16:08","modified_gmt":"2026-09-24T08:46:08","slug":"oled-organic-light-emitting-diode","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/oled-organic-light-emitting-diode\/","title":{"rendered":"OLED (Organic Light-Emitting Diode)"},"content":{"rendered":"<h2><b>OLED (Organic Light-Emitting Diode) Latest News<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">India is currently investigating LG Electronics and Samsung for allegedly paying lower tariffs on imported display parts\u00a0 that go into making panels for OLEDs.<\/span><\/p>\n<h2><b>About OLED (Organic Light-Emitting Diode)<\/b><\/h2>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It refers to a class of <\/span><b>light-emitting devices<\/b><span style=\"font-weight: 400;\"> where the<\/span><b> emissive layer<\/b><span style=\"font-weight: 400;\"> is <\/span><b>composed of carbon-based organic molecules<\/b><span style=\"font-weight: 400;\"> that<\/span><b> glow when excited by an electric current<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">The OLED structure consists of a <\/span><b>multilayer array of thin organic films sandwiched between two electrodes<\/b><span style=\"font-weight: 400;\">, at least <\/span><b>one of which is transparent, allowing light emission.<\/b><span style=\"font-weight: 400;\">\u00a0 When electrical current is applied, a bright light is emitted. <\/span><b>\u00a0<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">OLEDs<\/span><b> differ from <\/b><span style=\"font-weight: 400;\">both traditional <\/span><b>LEDs <\/b><span style=\"font-weight: 400;\">(<\/span><b>inorganic diodes<\/b><span style=\"font-weight: 400;\"> that <\/span><b>emit light at specific points<\/b><span style=\"font-weight: 400;\">) and<\/span><b> LCD<\/b><span style=\"font-weight: 400;\">s (which <\/span><b>rely on liquid crystals and a backlight<\/b><span style=\"font-weight: 400;\">).\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Instead, <\/span><b>OLEDs <\/b><span style=\"font-weight: 400;\">are <\/span><b>self-emissive surfaces<\/b><span style=\"font-weight: 400;\">, which means <\/span><b>every pixel generates<\/b><span style=\"font-weight: 400;\"> its <\/span><b>own light.\u00a0<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">OLED displays provide the <\/span><b>best image quality,<\/b><span style=\"font-weight: 400;\"> and they can also be made <\/span><b>transparent, flexible, foldable,<\/b><span style=\"font-weight: 400;\"> and even rollable and stretchable.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">An OLED display have the <\/span><b>following advantages over an LCD display:<\/b>\n<ul>\n<li style=\"text-align: justify;\"><b>Improved image quality:<\/b> <b>Better contrast, higher brightness, fuller viewing angle, <\/b><span style=\"font-weight: 400;\">a <\/span><b>wider color range,<\/b><span style=\"font-weight: 400;\"> and much<\/span><b> faster refresh rates.<\/b><\/li>\n<li style=\"text-align: justify;\"><b>Lower power consumption.<\/b><\/li>\n<li style=\"text-align: justify;\"><b>Simpler design<\/b><span style=\"font-weight: 400;\"> that enables ultra-thin, flexible, foldable, and transparent displays<\/span><\/li>\n<li style=\"text-align: justify;\"><b>Better durability:<\/b><span style=\"font-weight: 400;\"> OLEDs are very <\/span><b>durable <\/b><span style=\"font-weight: 400;\">and can <\/span><b>operate <\/b><span style=\"font-weight: 400;\">in a<\/span><b> broader temperature range.<\/b><\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align: justify;\"><b>Advanced OLED<\/b><span style=\"font-weight: 400;\"> configurations include <\/span><b>PHOLED (Phosphorescent OLED) variants, <\/b><span style=\"font-weight: 400;\">which use phosphorescent phosphors to increase light efficiency, and<\/span><b> WOLED (White OLED), <\/b><span style=\"font-weight: 400;\">used in lighting technology to<\/span> <span style=\"font-weight: 400;\">generate white light with a wide colour spectrum. <\/span><\/li>\n<\/ul>\n<p><b>News: <\/b><a href=\"https:\/\/epaper.thehindu.com\/ccidist-ws\/th\/th_delhi\/issues\/205767\/OPS\/GJ3GIPHM1.1+GVBGIRI90.1.html\" target=\"_blank\" rel=\"nofollow noopener\"><b>TH<\/b><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>OLED (Organic Light-Emitting Diode) refers to a class of light-emitting devices where the emissive layer is composed of carbon-based organic molecules that glow when excited by an electric current.<\/p>\n","protected":false},"author":23,"featured_media":126020,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[10467],"class_list":["post-126041","post","type-post","status-publish","format-standard","has-post-thumbnail","category-upsc-prelims-current-affairs","tag-oled-organic-light-emitting-diode","no-featured-image-padding"],"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/126041","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=126041"}],"version-history":[{"count":4,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/126041\/revisions"}],"predecessor-version":[{"id":126080,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/126041\/revisions\/126080"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/126020"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=126041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=126041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=126041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}