公开(公告)号：US11430840B2

公开(公告)日：2022-08-30

申请号：US16154956

申请日：2018-10-09

Applicant: LG Display Co., Ltd.

Inventor： Imkuk Kang

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/52 ,  H01L51/50 ,  H01L51/56 ,  H01L29/786

Abstract: An organic light-emitting diode display includes an auxiliary connection line on a substrate; an auxiliary cathode on and connected to the auxiliary connection line; a passivation layer covering the auxiliary cathode; an overcoat layer on the passivation layer; a connection terminal connected to the auxiliary cathode on the overcoat layer; an undercut opening on the overcoat layer exposing a portion of the auxiliary cathode, an under area being in the undercut opening and under one side of the connection terminal; a bank having a size larger than the undercut opening and exposing the entire undercut opening; an organic emission layer on a region other than the under area in the undercut opening exposing the portion of the auxiliary cathode; and a cathode directly connected to the exposed portion of the auxiliary cathode on which the organic emission layer is not formed in the under area of the undercut opening.

公开(公告)号：US20190115403A1

公开(公告)日：2019-04-18

申请号：US16154956

申请日：2018-10-09

Applicant: LG Display Co., Ltd.

Inventor： Imkuk Kang

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  H01L51/56 ,  H01L27/12

Abstract: An organic light-emitting diode display includes an auxiliary connection line on a substrate; an auxiliary cathode on and connected to the auxiliary connection line; a passivation layer covering the auxiliary cathode; an overcoat layer on the passivation layer; a connection terminal connected to the auxiliary cathode on the overcoat layer; an undercut opening on the overcoat layer exposing a portion of the auxiliary cathode, an under area being in the undercut opening and under one side of the connection terminal; a bank having a size larger than the undercut opening and exposing the entire undercut opening; an organic emission layer on a region other than the under area in the undercut opening exposing the portion of the auxiliary cathode; and a cathode directly connected to the exposed portion of the auxiliary cathode on which the organic emission layer is not formed in the under area of the undercut opening.

公开(公告)号：US09748286B2

公开(公告)日：2017-08-29

申请号：US15073278

申请日：2016-03-17

Applicant: LG DISPLAY CO., LTD.

Inventor： Sungkeun Lee ,  Yongtae Song ,  Imkuk Kang ,  Sungjun Yun ,  Woocheol Jeong

IPC: H01L27/12 ,  H01L29/786 ,  H01L29/45 ,  H01L29/66 ,  H01L29/417 ,  H01L21/02 ,  H01L21/027 ,  H01L21/4763 ,  H01L29/423

CPC classification number: H01L27/1288 ,  H01L21/02565 ,  H01L21/02639 ,  H01L21/0273 ,  H01L21/47635 ,  H01L27/1225 ,  H01L29/41733 ,  H01L29/42356 ,  H01L29/45 ,  H01L29/66969 ,  H01L29/7869 ,  H01L29/78696

Abstract: A method for manufacturing a thin film transistor substrate, the method can include a first mask process for forming a gate electrode on a substrate; a step for forming a gate insulating layer covering the gate electrode; a second mask process for forming a source electrode overlapping with one side of the gate electrode, and a drain electrode overlapping with other side of the gate electrode and being apart from the source electrode, on the gate insulating layer; and a third mask process for forming an oxide semiconductor layer extending from the source electrode to the drain electrode, and an etch stopper having the same shape and size with the oxide semiconductor layer on the oxide semiconductor layer.

公开(公告)号：US09806141B2

公开(公告)日：2017-10-31

申请号：US14983240

申请日：2015-12-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Jaeyoung Oh ,  Imkuk Kang ,  Sangmoo Park ,  Jongsoo Han

IPC: H01L27/32

CPC classification number: H01L27/3276 ,  H01L27/1244 ,  H01L27/3211 ,  H01L27/3213 ,  H01L27/3262 ,  H01L27/3272 ,  H01L2227/323

Abstract: An organic light emitting display device has a display panel including a first subpixel, a second subpixel, a data line, and sensing lines. The sensing lines may include a vertical sensing line and a horizontal sensing line connected to the vertical sensing line. The horizontal sensing line may be formed of a source/drain metal layer present on the first substrate, and one portion thereof connected to a first electrode of a sensing transistor of the first subpixel and the other portion thereof connected to a first electrode of a sensing transistor of the second subpixel may be positioned in a region intersecting with the data line, and electrically connected by a connection electrode formed of an insulated light blocking layer below the source/drain metal layer present on the first substrate.

公开(公告)号：US09324736B2

公开(公告)日：2016-04-26

申请号：US14550483

申请日：2014-11-21

Applicant: LG DISPLAY CO., LTD.

Inventor： Sungkeun Lee ,  Yongtae Song ,  Imkuk Kang ,  Sungjun Yun ,  Woocheol Jeong

IPC: H01L27/12 ,  H01L29/786 ,  H01L29/45 ,  H01L29/66 ,  H01L29/417

CPC classification number: H01L27/1288 ,  H01L21/02565 ,  H01L21/02639 ,  H01L21/0273 ,  H01L21/47635 ,  H01L27/1225 ,  H01L29/41733 ,  H01L29/42356 ,  H01L29/45 ,  H01L29/66969 ,  H01L29/7869 ,  H01L29/78696

Abstract: The present disclosure relates to a thin film transistor substrate having a metal oxide semiconductor for flat panel displays and a method for manufacturing the same. The present disclosure suggests a thin film transistor substrate including: a gate electrode on a substrate; a gate insulating layer covering the gate electrode; a source electrode overlapping with one side of the gate electrode on the gate insulating layer; a drain electrode being apart from the source electrode and overlapping with other side of the gate electrode on the gate insulating layer; an oxide semiconductor layer contacting an upper surface of the source electrode and the drain electrode, and extending from the source electrode to the drain electrode; and an etch stopper having the same shape with the oxide semiconductor layer, and contacting an upper surface of the oxide semiconductor layer.

Abstract translation: 本公开涉及具有用于平板显示器的金属氧化物半导体的薄膜晶体管基板及其制造方法。 本公开提出一种薄膜晶体管衬底，其包括：衬底上的栅电极; 覆盖栅电极的栅极绝缘层; 源电极，与所述栅极绝缘层上的所述栅电极的一侧重叠; 漏电极与源极分离并与栅极绝缘层上的栅电极的另一侧重叠; 与源电极和漏电极的上表面接触并从源极延伸到漏电极的氧化物半导体层; 以及与氧化物半导体层具有相同形状并与氧化物半导体层的上表面接触的蚀刻停止层。

公开(公告)号：US12200977B2

公开(公告)日：2025-01-14

申请号：US17875186

申请日：2022-07-27

Applicant: LG Display Co., Ltd.

Inventor： Imkuk Kang

IPC: H10K59/122 ,  H01L27/12 ,  H01L29/786 ,  H10K50/11 ,  H10K50/81 ,  H10K50/82 ,  H10K50/824 ,  H10K50/84 ,  H10K59/124 ,  H10K59/131 ,  H10K71/00 ,  H10K59/121 ,  H10K59/126

Abstract: An organic light-emitting diode display includes an auxiliary connection line on a substrate; an auxiliary cathode on and connected to the auxiliary connection line; a passivation layer covering the auxiliary cathode; an overcoat layer on the passivation layer; a connection terminal connected to the auxiliary cathode on the overcoat layer; an undercut opening on the overcoat layer exposing a portion of the auxiliary cathode, an under area being in the undercut opening and under one side of the connection terminal; a bank having a size larger than the undercut opening and exposing the entire undercut opening; an organic emission layer on a region other than the under area in the undercut opening exposing the portion of the auxiliary cathode; and a cathode directly connected to the exposed portion of the auxiliary cathode on which the organic emission layer is not formed in the under area of the undercut opening.

公开(公告)号：US20160380039A1

公开(公告)日：2016-12-29

申请号：US14983240

申请日：2015-12-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Jaeyoung Oh ,  Imkuk Kang ,  Sangmoo Park ,  Jongsoo Han

IPC: H01L27/32

CPC classification number: H01L27/3276 ,  H01L27/1244 ,  H01L27/3211 ,  H01L27/3213 ,  H01L27/3262 ,  H01L27/3272 ,  H01L2227/323

Abstract: An organic light emitting display device has a display panel including a first subpixel, a second subpixel, a data line, and sensing lines. The sensing lines may include a vertical sensing line and a horizontal sensing line connected to the vertical sensing line. The horizontal sensing line may be formed of a source/drain metal layer present on the first substrate, and one portion thereof connected to a first electrode of a sensing transistor of the first subpixel and the other portion thereof connected to a first electrode of a sensing transistor of the second subpixel may be positioned in a region intersecting with the data line, and electrically connected by a connection electrode formed of an insulated light blocking layer below the source/drain metal layer present on the first substrate.

Abstract translation: 有机发光显示装置具有包括第一子像素，第二子像素，数据线以及感测线的显示面板。 感测线可以包括垂直感测线和连接到垂直感测线的水平感测线。 水平感测线可以由存在于第一衬底上的源极/漏极金属层形成，并且其一部分连接到第一子像素的感测晶体管的第一电极，而其另一部分连接到感测的第一电极 第二子像素的晶体管可以位于与数据线相交的区域中，并且由在第一基板上存在的源极/漏极金属层下方的绝缘阻光层形成的连接电极电连接。