公开(公告)号：US11195955B2

公开(公告)日：2021-12-07

申请号：US15845924

申请日：2017-12-18

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Yun Kim ,  Taekyung Ahn ,  Youngdae Kim

IPC: H01L29/86 ,  H01L27/12 ,  H01L29/786 ,  H01L29/45 ,  C22C27/04 ,  H01L27/32

Abstract: A display substrate including a base substrate, a first thin film transistor disposed on the base substrate and including a first gate electrode and a first semiconductor active layer; a second thin film transistor electrically connected to the first thin film transistor, the second thin film transistor including a second gate electrode and a second semiconductor active layer; and an organic light emitting device electrically connected to the second thin film transistor. The first semiconductor active layer includes a first material and the second semiconductor active layer includes a second material different from the first material.

公开(公告)号：US20190035870A1

公开(公告)日：2019-01-31

申请号：US15860515

申请日：2018-01-02

Applicant: Samsung Display Co., Ltd.

Inventor： Sangjin Park ,  Youngdae Kim ,  Heena Kim ,  Yonghwan Ryu ,  Taehyeok Choi ,  Euikang Heo

IPC: H01L27/32

Abstract: A substrate for a display apparatus includes a substrate, and a capacitor on a first surface of the substrate. The capacitor includes a first electrode, a second electrode facing the first electrode, and a dielectric layer between the first electrode and the second electrode. Here, the substrate has a first hole penetrating through the substrate in an area corresponding to a part of the first electrode of the capacitor, and a first conductive material is in the first hole.

公开(公告)号：US09859435B2

公开(公告)日：2018-01-02

申请号：US15052485

申请日：2016-02-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Yun Kim ,  Taekyung Ahn ,  Youngdae Kim

IPC: H01L51/54 ,  H01L29/786 ,  H01L29/45 ,  C22C27/04 ,  H01L27/12 ,  H01L27/32

CPC classification number: H01L29/78618 ,  C22C27/04 ,  H01L27/1225 ,  H01L27/3262 ,  H01L29/45 ,  H01L29/458 ,  H01L29/7869

Abstract: A display substrate includes a base substrate, a semiconductor active layer disposed on the base substrate, a gate insulating layer disposed on the semiconductor active layer, a first conductive pattern group disposed on the gate insulating layer and including at least a gate electrode, a second conductive pattern group insulated from the first conductive pattern group and including at least a source electrode, a drain electrode, and a data pad. The second conductive pattern group includes a first conductive layer and a second conductive layer disposed on the first conductive layer to prevent the first conductive layer from being corroded and oxidized.

公开(公告)号：US20140070177A1

公开(公告)日：2014-03-13

申请号：US13792031

申请日：2013-03-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong Yun Kim ,  Youngdae Kim

IPC: H01L27/32

CPC classification number: H01L27/3258 ,  H01L27/3223 ,  H01L27/3246

Abstract: An organic electroluminescent display includes: a substrate having a plurality of pixel areas and a non-pixel area; pixel electrodes located at respective ones of the pixel areas; driving transistors electrically connected to respective ones of the pixel electrodes; an insulating cover layer covering the driving transistors and having a dummy well located at a portion of the insulating cover layer corresponding to the non-pixel area; a pixel definition layer on the insulating cover layer and having openings therethrough corresponding to the pixel areas, respectively; an organic light emitting layer on the pixel electrodes; and a common electrode on the organic light emitting layer. A portion of the pixel definition layer fills the dummy well.

Abstract translation: 有机电致发光显示器包括：具有多个像素区域和非像素区域的基板; 位于相应的像素区域的像素电极; 电连接到各个像素电极的驱动晶体管; 绝缘覆盖层，覆盖所述驱动晶体管，并且具有位于所述绝缘覆盖层对应于所述非像素区域的部分的虚拟阱; 绝缘覆盖层上的像素限定层，分别具有与像素区域对应的开口; 像素电极上的有机发光层; 和有机发光层上的公共电极。 像素定义层的一部分填充虚拟阱。