公开(公告)号：US20150144923A1

公开(公告)日：2015-05-28

申请号：US14552834

申请日：2014-11-25

Applicant: LG Display Co., Ltd.

Inventor： Kyo-Seop CHOO ,  Jong-Uk BAE ,  Bo-Kyoung CHO

IPC: H01L27/32 ,  H01L49/02 ,  H01L27/12 ,  H01L21/44 ,  H01L51/56 ,  H01L29/786

CPC classification number: H01L27/3276 ,  H01L21/44 ,  H01L27/1225 ,  H01L27/1255 ,  H01L27/3258 ,  H01L27/3262 ,  H01L27/3265 ,  H01L28/00 ,  H01L28/60 ,  H01L29/7869 ,  H01L51/56 ,  H01L2227/323

Abstract: An OLED display device includes a first oxide semiconductor layer including first to fourth regions; a first gate electrode on a first insulating layer and the first oxide semiconductor layer, and completely overlapping the first region; a first storage electrode extending from the first gate electrode and overlapping the second region; a second insulating layer covering the first gate electrode and the first storage electrode and exposing the third and fourth regions; first source and drain electrodes on the second insulating layer and contacting the third and fourth regions; and an emitting diode connected to the first drain electrode, wherein a portion of the second region at an edge of the first storage electrode except a center of the first storage electrode is conductive to form a second storage electrode, and the first and second storage electrodes and the first insulating layer constitute a first storage capacitor.

Abstract translation: OLED显示装置包括：包括第一至第四区域的第一氧化物半导体层; 在第一绝缘层上的第一栅电极和第一氧化物半导体层，并且与第一区域完全重叠; 从所述第一栅电极延伸并且与所述第二区域重叠的第一存储电极; 覆盖所述第一栅极电极和所述第一存储电极并暴露所述第三和第四区域的第二绝缘层; 第二绝缘层上的第一源电极和漏电极，并与第三和第四区域接触; 以及连接到所述第一漏电极的发光二极管，其中除了所述第一存储电极的中心之外的所述第一存储电极的边缘处的所述第二区域的一部分是导电的，以形成第二存储电极，并且所述第一和第二存储电极 并且第一绝缘层构成第一存储电容器。