{"id":182056,"date":"2015-04-10T14:39:14","date_gmt":"2015-04-10T17:39:14","guid":{"rendered":"http:\/\/revistapesquisa.fapesp.br\/?p=182056"},"modified":"2015-05-20T14:44:00","modified_gmt":"2015-05-20T17:44:00","slug":"flexible-lighted-screen","status":"publish","type":"post","link":"https:\/\/revistapesquisa.fapesp.br\/en\/flexible-lighted-screen\/","title":{"rendered":"Flexible lighted screen"},"content":{"rendered":"<div id=\"attachment_182057\" style=\"max-width: 300px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-182057\" src=\"http:\/\/revistapesquisa.fapesp.br\/wp-content\/uploads\/2015\/05\/Tecno_PIC3611rytkonen.jpg\" alt=\"Plastic films with OLED technology can be used in advertising signs and product packaging\" width=\"290\" height=\"193\" srcset=\"https:\/\/revistapesquisa.fapesp.br\/wp-content\/uploads\/2015\/05\/Tecno_PIC3611rytkonen.jpg 290w, https:\/\/revistapesquisa.fapesp.br\/wp-content\/uploads\/2015\/05\/Tecno_PIC3611rytkonen-120x80.jpg 120w, https:\/\/revistapesquisa.fapesp.br\/wp-content\/uploads\/2015\/05\/Tecno_PIC3611rytkonen-250x166.jpg 250w\" sizes=\"auto, (max-width: 290px) 100vw, 290px\" \/><p class=\"wp-caption-text\"><span class=\"media-credits-inline\">JUHA SARKKINEN\/VTT<\/span>Plastic films with OLED technology can be used in advertising signs and product packaging<span class=\"media-credits\">JUHA SARKKINEN\/VTT<\/span><\/p><\/div>\n<p>A new method to produce plastic films containing organic light emitting diodes (OLED) has been developed by the VTT Technical Research Center of Finland.\u00a0 This will broaden the applicability of OLED technology, which is currently used in cell phone screens and, most recently, in television screens.\u00a0 The researchers, headed by Raimo Korhonen, designed a way to print flexible, light-emitting plastic films using a process similar to the one used for making engraved plates or for screen printing.\u00a0 The new method makes it possible to produce lighted screens in large sizes, to be used for lighting, advertising, or any kind of information display.\u00a0 They can also be installed on transparent surfaces like windows and product packaging.\u00a0 In the past, OLED technology was only applied to glass surfaces, through traditional methods used in microelectronics.\u00a0 This new option permits the installation of OLEDs on flexible plastics, glass, and steel.\u00a0 The film is 0.2 millimeter thick, enough to accommodate all the necessary electrodes and light-emitting polymers.\u00a0 The only problem is that the film is extremely sensitive to oxygen and humidity, limiting its light-emitting lifespan to a maximum of one year.\u00a0 But its useful life is expected to increase as research advances towards improved protections for this new type of screen.<\/p>\n","protected":false},"excerpt":{"rendered":"New plastic films could be used in cell phones and television screens","protected":false},"author":475,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[168],"tags":[243],"coauthors":[785],"class_list":["post-182056","post","type-post","status-publish","format-standard","hentry","category-technoscience","tag-innovation"],"acf":[],"_links":{"self":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/posts\/182056","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/users\/475"}],"replies":[{"embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/comments?post=182056"}],"version-history":[{"count":0,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/posts\/182056\/revisions"}],"wp:attachment":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/media?parent=182056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/categories?post=182056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/tags?post=182056"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/coauthors?post=182056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}