{"id":34692,"date":"2024-03-19T07:11:35","date_gmt":"2024-03-19T07:11:35","guid":{"rendered":"https:\/\/edukemy.com\/blog\/?p=34692"},"modified":"2024-03-19T07:11:36","modified_gmt":"2024-03-19T07:11:36","slug":"upsc-prelims-2017-question-74","status":"publish","type":"post","link":"https:\/\/edukemy.com\/blog\/upsc-prelims-2017-question-74\/","title":{"rendered":"UPSC Prelims 2017 &#8211; Question 74"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/edukemy.com\/upsc\/upsc-prelims-test-series?utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=Blog-%20PTS\" target=\"_blank\" rel=\"noreferrer noopener\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/edukemy.com\/blog\/wp-content\/uploads\/2024\/02\/Prelims-Test-Series-eng-and-hindi-1280\u00d7330.svg\" alt=\"UPSC Prelims Mock Test - ECONOMY 2\" class=\"wp-image-24924\" width=\"779\" height=\"199\"\/><\/a><\/figure>\n\n\n\n<p>Here is Question No. 74 a part of our series on UPSC Prelims 2017<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-6a04003cf34bf\" class=\"ez-toc-cssicon-toggle-label\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a04003cf34bf\"  \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/edukemy.com\/blog\/upsc-prelims-2017-question-74\/#Q74_Organic_Light_Emitting_Diodes_OLEDsare_used_to_create_digital_displays_in_many_devices_What_are_the_advantages_of_OLED_displays_over_Liquid_Crystal_displays\" title=\"Q74. Organic Light Emitting Diodes (OLEDs)are used to create digital displays in many devices. What are the advantages of OLED displays over Liquid Crystal displays?\">Q74. Organic Light Emitting Diodes (OLEDs)are used to create digital displays in many devices. What are the advantages of OLED displays over Liquid Crystal displays?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/edukemy.com\/blog\/upsc-prelims-2017-question-74\/#The_correct_answer_is_1_2_and_3\" title=\"The correct answer is 1, 2, and 3.&nbsp;\">The correct answer is 1, 2, and 3.&nbsp;<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q74_Organic_Light_Emitting_Diodes_OLEDsare_used_to_create_digital_displays_in_many_devices_What_are_the_advantages_of_OLED_displays_over_Liquid_Crystal_displays\"><\/span>Q74. Organic Light Emitting Diodes (OLEDs)are used to create digital displays in many devices. What are the advantages of OLED displays over Liquid Crystal displays?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\"><li>OLED displays can be fabricated on flexible plastic substrates.<\/li><li>Roll-up displays embedded in clothing can be made using OLEDs.<\/li><li>Transparent\/displays are possible using OLEDs<\/li><\/ol>\n\n\n\n<p>Select the correct answer using the code given below:<br>a) 1 and 3 only<br>b) 2 only<br>c) 1, 2 and 3<br>d) None of the above statements is correct<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_correct_answer_is_1_2_and_3\"><\/span>The correct answer is <strong>1, 2, and 3<\/strong>.&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Organic light-emitting diodes (OLEDs)&nbsp;<\/strong>&nbsp;<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Its displays with plastic substrates have the following appealing characteristics<\/strong>:&nbsp;&nbsp;<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>They are ultrathin and light, and they can also be fabricated on flexible plastic to take advantage of the substrate&#8217;s flexibility.\u00a0<\/li><li>Roll-up displays embedded in clothing can also be manufactured.\u00a0<\/li><li><strong>Transparent displays are also an option. Hence, statements 1, 2, and 3 are correct.<\/strong>\u00a0<\/li><li>The main challenge in producing such displays is protecting OLEDs from oxygen and moisture.\u00a0<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/edukemy.com\/upsc-current-affairs?utm_source=Blog&amp;utm_medium=Banner&amp;utm_campaign=Current+Affairs\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"1280\" height=\"300\" data-src=\"https:\/\/edukemy.com\/blog\/wp-content\/uploads\/2024\/06\/19.png\" alt=\"\" class=\"wp-image-42406 lazyload\" data-srcset=\"https:\/\/edukemy.com\/blog\/wp-content\/uploads\/2024\/06\/19.png 1280w, https:\/\/edukemy.com\/blog\/wp-content\/uploads\/2024\/06\/19-1170x274.png 1170w, https:\/\/edukemy.com\/blog\/wp-content\/uploads\/2024\/06\/19-585x137.png 585w\" data-sizes=\"(max-width: 1280px) 100vw, 1280px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1280px; --smush-placeholder-aspect-ratio: 1280\/300;\" \/><\/a><\/figure>\n\n\n\n<p>For UPSC Prelims Resources,&nbsp;<a href=\"https:\/\/edukemy.com\/upsc-cse-prelims-resource-centre\" target=\"_blank\" rel=\"noreferrer noopener\">Click here<\/a><\/p>\n\n\n\n<p>For Daily Updates and Study Material:<\/p>\n\n\n\n<p>Join our Telegram Channel \u2013&nbsp;<a href=\"https:\/\/t.me\/WithEdukemy4IAS\" target=\"_blank\" rel=\"noreferrer noopener\">Edukemy for IAS<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>1. Learn through Videos \u2013&nbsp;<a href=\"https:\/\/bit.ly\/3vOD8sU\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a><\/li><li>2. Be Exam Ready by Practicing Daily MCQs \u2013&nbsp;<a href=\"https:\/\/bit.ly\/3Q9z2nF\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a><\/li><li>3. Daily Newsletter \u2013 Get all your Current Affairs Covered \u2013&nbsp;<a href=\"https:\/\/bit.ly\/3bE2y5J\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a><\/li><li>4. Mains Answer Writing Practice \u2013&nbsp;<a href=\"https:\/\/bit.ly\/3mZuVxl\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a><\/li><\/ul>\n\n\n\n<p>Visit our YouTube Channel \u2013<a href=\"https:\/\/www.youtube.com\/@EduKemyforIAS\">&nbsp;here<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q74. Organic Light Emitting Diodes (OLEDs)are used to create digital displays in many devices. What are the advantages of OLED displays over Liquid Crystal<\/p>\n","protected":false},"author":17,"featured_media":34693,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[1644],"tags":[232,515,231],"class_list":["post-34692","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-upsc-prelims","tag-upsc","tag-upsc-cse","tag-upsc-prelims"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts\/34692","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/comments?post=34692"}],"version-history":[{"count":1,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts\/34692\/revisions"}],"predecessor-version":[{"id":34694,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts\/34692\/revisions\/34694"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/media\/34693"}],"wp:attachment":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/media?parent=34692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/categories?post=34692"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/tags?post=34692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}