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Matched Legal Cases: ['Application No. 05', 'Application No. 07', 'Application No. 08', 'Application No. 08', 'Application No. 08', 'Application No. 08', 'Application No. 08', 'Application No. 09', 'Application No. 10', 'Application No. 10', 'Application No. 10', 'Application No. 10', 'Application No. 11', 'Application No. 62', 'application No. 00', 'art 2', 'art 2']

Patent US6689492 - Electro-optical device and electronic device - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsAn object of the present invention is to provide an EL display device, which has a high operating performance and reliability. A third passivation film 45 is disposed under an EL element 203 which comprises a pixel electrode (anode) 46, and EL layer 47 and a cathode 48, to make a structure in which heat...http://www.google.com/patents/US6689492?utm_source=gb-gplus-sharePatent US6689492 - Electro-optical device and electronic deviceAdvanced Patent SearchPublication numberUS6689492 B1Publication typeGrantApplication numberUS 09/587,369Publication dateFeb 10, 2004Filing dateJun 2, 2000Priority dateJun 4, 1999Fee statusPaidAlso published asCN1263163C, CN1278660A, CN1400673A, CN1400673B, CN1604697A, CN1881609A, CN100420040C, CN100479181C, CN101017796A, CN101017796B, EP1058484A1, EP2296443A2, EP2296443A3, US7147530, US7825588, US8203265, US8421350, US8674600, US20040061438, US20070063646, US20110042679, US20120248453, US20130221362Publication number09587369, 587369, US 6689492 B1, US 6689492B1, US-B1-6689492, US6689492 B1, US6689492B1InventorsShunpei Yamazaki, Jun Koyama, Kunitaka Yamamoto, Toshimitsu KonumaOriginal AssigneeSemiconductor Energy Laboratory Co., Ltd.Export CitationBiBTeX, EndNote, RefManPatent Citations (101), Non-Patent Citations (34), Referenced by (123), Classifications (26), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetElectro-optical device and electronic deviceUS 6689492 B1Abstract An object of the present invention is to provide an EL display device, which has a high operating performance and reliability. A third passivation film 45 is disposed under an EL element 203 which comprises a pixel electrode (anode) 46, and EL layer 47 and a cathode 48, to make a structure in which heat generated by the EL element 203 is radiated. Further, the third passivation film 45 prevents alkali metals within the EL element 203 from diffusing into the TFTs side, and prevents moisture and oxygen of the TFTs side from penetrating into the EL element 203. More preferably, heat radiating effect is given to a fourth passivation film 50 to make the EL element 203 to be enclosed by heat radiating layers.
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Cited by examinerClassifications U.S. Classification428/690, 313/504, 313/509, 428/917, 257/103, 313/512, 313/502, 257/102, 313/503, 313/505, 313/506International ClassificationH01L51/52, H01L27/32, H01L21/77, G02B27/00Cooperative ClassificationY10S428/917, H01L51/56, H01L27/1248, H01L51/529, H01L27/322, H01L27/3258, H01L51/5253, H01L27/1214European ClassificationH01L27/32M2I, H01L51/52C4, H01L51/52HLegal EventsDateCodeEventDescriptionJul 13, 2011FPAYFee paymentYear of fee payment: 8Jul 13, 2007FPAYFee paymentYear of fee payment: 4Jun 2, 2000ASAssignmentOwner name: SEMICONDUCTOR ENERGY LABORATORY CO., LTD., JAPANFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YAMAZAKI, SHUNPEI;KOYAMA, JUN;YAMAMOTO, KUNITAKA;AND OTHERS;REEL/FRAME:010843/0831Effective date: 20000524RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google