公开(公告)号：US09349781B2

公开(公告)日：2016-05-24

申请号：US13961050

申请日：2013-08-07

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung-Min Park ,  Ji-Yong Park ,  Tae-Gon Kim

IPC: H01L27/32 ,  H01L51/56 ,  H01L27/12 ,  G09G3/32

CPC classification number: H01L27/3262 ,  G09G3/3233 ,  G09G2300/0861 ,  H01L27/1222

Abstract: An organic light emitting diode display includes: a substrate; a semiconductor layer formed on the substrate and including a switching semiconductor layer, a driving semiconductor layer, and a light emission control semiconductor layer spaced apart from each other; a first gate insulating layer covering the semiconductor layer; a light emission control gate electrode formed on the first gate insulating layer and overlapping the light emission control semiconductor layer; a second gate insulating layer covering the light emission control gate electrode; a switching gate electrode and a driving gate electrode formed on the second gate insulating layer and respectively overlapping the switching semiconductor layer and the driving semiconductor layer; and an interlayer insulating layer covering the switching gate electrode, the driving gate electrode, and the second gate insulating layer. A doping concentration of a channel region of the driving semiconductor layer is higher than a doping concentration of a channel region of the light emission control semiconductor layer.

Abstract translation: 有机发光二极管显示器包括：基板; 半导体层，形成在所述基板上并且包括彼此间隔开的开关半导体层，驱动半导体层和发光控制半导体层; 覆盖半导体层的第一栅极绝缘层; 发光控制栅极电极，形成在所述第一栅极绝缘层上并与所述发光控制半导体层重叠; 覆盖发光控制栅极的第二栅极绝缘层; 开关栅极电极和驱动栅极电极，形成在第二栅极绝缘层上并分别与开关半导体层和驱动半导体层重叠; 以及覆盖所述开关栅电极，所述驱动栅极电极和所述第二栅极绝缘层的层间绝缘层。 驱动半导体层的沟道区域的掺杂浓度高于发光控制半导体层的沟道区域的掺杂浓度。

公开(公告)号：US09189990B2

公开(公告)日：2015-11-17

申请号：US13949848

申请日：2013-07-24

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung-Min Park ,  Tae-Gon Kim ,  Se-Ho Kim

IPC: H01L51/52 ,  G09G3/32

CPC classification number: G09G3/32 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  H01L2251/568

Abstract: An organic light emitting diode display according to the present invention includes a substrate and a plurality of pixels formed on the substrate. One pixel includes: a scan line formed on the substrate and transmitting a scan signal; a data line and a driving voltage line crossing the scan line and transmitting a data signal and a driving voltage, respectively; a switching thin film transistor connected to the scan line and the data line; a driving thin film transistor connected to a switching drain electrode of the switching thin film transistor; and an organic light emitting diode connected to a driving drain electrode of the driving thin film transistor. The plurality of pixels includes a separation pixel at which the driving voltage line is separated and a connection pixel at which the driving voltage line is connected.

Abstract translation: 根据本发明的有机发光二极管显示器包括基板和形成在基板上的多个像素。 一个像素包括：形成在衬底上并发射扫描信号的扫描线; 数据线和驱动电压线，分别与扫描线交叉并传输数据信号和驱动电压; 连接到扫描线和数据线的开关薄膜晶体管; 连接到开关薄膜晶体管的开关漏电极的驱动薄膜晶体管; 以及连接到驱动薄膜晶体管的驱动漏电极的有机发光二极管。 多个像素包括驱动电压线分离的分离像素和驱动电压线连接的连接像素。