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1. 发明公开

KR20090085231A ORGANIC LIGHT EMITTING DISPLAY DEVICE 有权
标题翻译：有机发光显示装置
公开(公告)号：KR20090085231A
公开(公告)日：2009-08-07
申请号：KR20080011024
申请日：2008-02-04
申请人： SAMSUNG MOBILE DISPLAY CO LTD
发明人： LEE HUN JUNG , HAN DONG WON , MO YEON GON
IPC分类号： H05B33/20 , H01L29/786 , H01L51/50 , H05B33/22
CPC分类号： H01L51/5092 , H01L29/7869
摘要： An organic electroluminescent display device is provided to use an N-type thin film transistor by arranging an electron injection layer between a cathode electrode and an organic light emitting layer. A driving thin film transistor includes a source electrode, a drain electrode, and a semiconductor layer. The semiconductor layer is made of an N-type oxide semiconductor. At least one insulation film(160) is formed on the driving thin film transistor. A pixel defining film(165) defines a pixel region on the insulation film. A cathode electrode(170) is connected to the drain electrode of the driving thin film transistor. An electron injection layer(180) is formed on a whole surface of the pixel defining film and the cathode electrode. An organic light emitting layer(190) is formed on the electron injection layer. An anode electrode(200) is formed on the organic light emitting layer.
摘要翻译：提供一种有机电致发光显示装置，通过在阴极电极和有机发光层之间布置电子注入层来使用N型薄膜晶体管。驱动薄膜晶体管包括源电极，漏电极和半导体层。半导体层由N型氧化物半导体制成。至少一个绝缘膜（160）形成在驱动薄膜晶体管上。像素限定膜（165）限定绝缘膜上的像素区域。阴极电极（170）连接到驱动薄膜晶体管的漏电极。在像素限定膜和阴极电极的整个表面上形成电子注入层（180）。在电子注入层上形成有机发光层（190）。在有机发光层上形成阳极电极（200）。

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