公开(公告)号：US11915640B1

公开(公告)日：2024-02-27

申请号：US18119498

申请日：2023-03-09

Applicant: Samsung Display Co., Ltd.

Inventor： Donghwan Shim ,  Kwangwoo Park ,  Eonjoo Lee ,  Jin-Yong Lee ,  Cheol Jang ,  Yongseon Jo

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/0278 ,  G09G2310/08

Abstract: A pixel circuit includes a light-emitting element, a write transistor writing a data voltage, a driving transistor generating a driving current based on the data voltage and applying the driving current to the light-emitting element, a first initialization transistor applying a first initialization voltage to a control electrode of the driving transistor, a blocking transistor disposed between the light-emitting element and the driving transistor, a first blocking control transistor including a control electrode connected to the control electrode of the driving transistor, a first electrode receiving a first signal, and a second electrode connected to a control electrode of the blocking transistor, and a second blocking control transistor including a control electrode connected to the control electrode of the driving transistor, a first electrode receiving a second signal, and a second electrode connected to the control electrode of the blocking transistor.

公开(公告)号：US10861914B2

公开(公告)日：2020-12-08

申请号：US16671098

申请日：2019-10-31

Applicant: Samsung Display Co., Ltd.

Inventor： Eonjoo Lee ,  Hyoeng-Ki Kim ,  Kwangwoo Park ,  Dongki Lee ,  Jin-Whan Jung

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52

Abstract: A display apparatus includes a first transistor, a first pixel electrode, a second transistor, and a second pixel electrode. The first transistor includes a first drain electrode. The first pixel electrode is positioned between an edge of the display apparatus and a center of the display apparatus and includes a first recessed structure. The first recessed structure directly contacts the first drain electrode. The second transistor includes a second drain electrode. The second pixel electrode is positioned between the edge of the display apparatus and the first pixel electrode and includes at least one recessed structure. The at least one recessed structure includes a second recessed structure. The second recessed structure directly contacts the second drain electrode. A total maximum width of the at least one recessed structure is greater than a maximum width of the first recessed structure.

公开(公告)号：US10818743B2

公开(公告)日：2020-10-27

申请号：US16357970

申请日：2019-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyuk Woo ,  Kwangwoo Park

IPC: H01L27/32 ,  H01L27/12 ,  G02F1/1362

Abstract: A display device includes a first substrate layer having a first, second, and third through holes spaced apart from each other; a second substrate layer having a fourth through hole; a first intermediate conductive layer having a first exposed portion exposed through the first through hole, and a second exposed portion exposed through the second through hole; a second intermediate conductive layer having a third exposed portion exposed through the third through hole; a wiring on the second substrate layer and electrically connected to the second intermediate conductive layer through the fourth through hole; a first electronic device on the first substrate layer and electrically connected to the first exposed portion; and a second electronic device on the first substrate layer and electrically connected to the second exposed portion and the third exposed portion.

公开(公告)号：US09664966B2

公开(公告)日：2017-05-30

申请号：US14683698

申请日：2015-04-10

Applicant: Samsung Display Co., Ltd.

Inventor： SeungBo Shim ,  Jeong Won Kim ,  Kwangwoo Park ,  Jinho Ju

IPC: H01L27/12 ,  G02F1/1362 ,  H01L29/66 ,  H01L29/786

CPC classification number: G02F1/136209 ,  G02F1/136227 ,  G02F2001/136222 ,  G02F2001/136231 ,  G02F2001/136295 ,  H01L27/124 ,  H01L27/1288 ,  H01L29/66765 ,  H01L29/78669

Abstract: A method of manufacturing a display device, the method including: forming, on a first surface of a substrate, a gate line and a gate electrode; forming a first dielectric layer on the gate line and the gate electrode; forming a data line, a source electrode and a drain electrode on the first dielectric layer; forming a black matrix layer on the first dielectric layer, the data line, the source electrode, and the drain electrode; radiating ultraviolet light on a second surface of the substrate opposing the first surface, the ultraviolet light developing exposed parts of the black matrix layer to form a black matrix pattern; and etching the first dielectric layer using the black matrix pattern as an etching mask to respectively form a first dielectric pattern on the gate line and a gate dielectric pattern on the gate electrode.

公开(公告)号：US20240155896A1

公开(公告)日：2024-05-09

申请号：US18500113

申请日：2023-11-02

Applicant: Samsung Display Co., Ltd.

Inventor： Kwangwoo Park ,  Donghwan Shim ,  Eonjoo Lee ,  Jinyong Lee ,  Cheol Jang ,  Yongseon Jo

IPC: H10K59/131 ,  G09G3/3233

CPC classification number: H10K59/131 ,  G09G3/3233 ,  G09G2300/0809 ,  G09G2300/0852 ,  G09G2300/0861

Abstract: A display device is disclosed that includes a substrate, a scan line disposed on the substrate and extending in a first direction, a data line disposed on the substrate and extending in a second direction crossing the first direction, a first transistor disposed on the substrate and including a first semiconductor layer and a first gate electrode overlapping the first semiconductor layer, a second transistor including a second semiconductor layer electrically connected to the first transistor and the data line, and a second gate electrode overlapping the second semiconductor layer and electrically connected to the scan line, at least one inorganic insulating layer disposed on the substrate, and an auxiliary transistor disposed at an opposite side to the second transistor with a valley defined in the at least one inorganic insulating layer therebetween, wherein the auxiliary transistor is electrically connected to the data line and the scan line.

公开(公告)号：US11723254B2

公开(公告)日：2023-08-08

申请号：US17509041

申请日：2021-10-24

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonbum Lee ,  Hyoeng-Ki Kim ,  Kwangwoo Park ,  Jin-Whan Jung

IPC: H10K59/40 ,  G06F3/041 ,  G06F3/044 ,  H10K50/86 ,  H10K59/122

CPC classification number: H10K59/40 ,  G06F3/044 ,  G06F3/0412 ,  H10K50/86 ,  H10K50/865 ,  H10K59/122

Abstract: A display panel including a pixel defining layer including a first portion, in which an opening to expose the first electrode is defined, and a second portion, which is disposed on the first portion and overlaps the first portion. A plurality of thin-films are disposed on the second electrode. An insulation pattern is disposed on the plurality of thin-films, overlaps the pixel defining layer, and overlaps the second portion. A distance between the first portion, which overlaps the insulation pattern, of the sensing electrode and the base insulation layer is greater than that between the second portion, which non-overlaps the insulation pattern, of the sensing electrode and the base insulation layer.

公开(公告)号：US20190165074A1

公开(公告)日：2019-05-30

申请号：US16165647

申请日：2018-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonbum Lee ,  Jeongwon Kim ,  Hyoeng-ki Kim ,  Kwangwoo Park

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3272 ,  H01L27/323 ,  H01L27/3246 ,  H01L51/524 ,  H01L51/5281

Abstract: A light emitting display device includes a substrate and a switching element disposed on the substrate. A pixel electrode is disposed on the substrate and is connected to the switching element. A pixel defining layer is disposed on the pixel electrode. The pixel defining layer defines a pixel area of the substrate. A light emitting layer is disposed on the pixel electrode. A common electrode is disposed on the light emitting layer and the pixel defining layer. A sealing layer is disposed on the common electrode. A first light blocking layer is disposed between the pixel defining layer and the sealing layer.

公开(公告)号：US20190067645A1

公开(公告)日：2019-02-28

申请号：US15860514

申请日：2018-01-02

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonbum Lee ,  Jinwhan Jung ,  Kwangwoo Park ,  Dongki Lee

IPC: H01L51/52 ,  H01L51/00 ,  G02F1/1333 ,  G02F1/1335

Abstract: A display device includes: a substrate including a first area, a second area, and a first bent area between the first area and the second area, the substrate being bent around a first bending axis in the first bent area; a display surface over the substrate in the first area and the first bent area; and a first light adjustment layer over the display surface and overlapping the first bent area, the first light adjustment layer including a first upper surface, the first supper surface including a first portion and a second portion, the first portion being located closer to the first area than the second portion, the first upper surface being oblique with respect to the display surface such that a shortest distance to the display surface from the first portion is longer than a shortest distance to the display surface from the second portion.

公开(公告)号：US20160048067A1

公开(公告)日：2016-02-18

申请号：US14683698

申请日：2015-04-10

Applicant: Samsung Display Co., Ltd.

Inventor： SeungBo Shim ,  Jeong Won Kim ,  Kwangwoo Park ,  Jinho Ju

IPC: G02F1/1362 ,  G02F1/1368 ,  H01L29/786 ,  H01L27/12 ,  H01L29/66

CPC classification number: G02F1/136209 ,  G02F1/136227 ,  G02F2001/136222 ,  G02F2001/136231 ,  G02F2001/136295 ,  H01L27/124 ,  H01L27/1288 ,  H01L29/66765 ,  H01L29/78669

Abstract: A method of manufacturing a display device, the method including: forming, on a first surface of a substrate, a gate line and a gate electrode; forming a first dielectric layer on the gate line and the gate electrode; forming a data line, a source electrode and a drain electrode on the first dielectric layer; forming a black matrix layer on the first dielectric layer, the data line, the source electrode, and the drain electrode; radiating ultraviolet light on a second surface of the substrate opposing the first surface, the ultraviolet light developing exposed parts of the black matrix layer to form a black matrix pattern; and etching the first dielectric layer using the black matrix pattern as an etching mask to respectively form a first dielectric pattern on the gate line and a gate dielectric pattern on the gate electrode.

Abstract translation: 一种制造显示装置的方法，所述方法包括：在基板的第一表面上形成栅极线和栅电极; 在栅极线和栅电极上形成第一电介质层; 在第一介电层上形成数据线，源电极和漏电极; 在第一介电层，数据线，源电极和漏电极上形成黑矩阵层; 在与所述第一表面相对的所述基板的第二表面上辐射紫外光，所述黑色矩阵层的紫外线显影曝光部分形成黑矩阵图案; 并且使用黑矩阵图案蚀刻第一介电层作为蚀刻掩模，以在栅极线上分别形成第一电介质图案和栅电极上的栅极电介质图案。

公开(公告)号：US12245490B2

公开(公告)日：2025-03-04

申请号：US18211286

申请日：2023-06-18

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonbum Lee ,  Hyoeng-Ki Kim ,  Kwangwoo Park ,  Jin-whan Jung

IPC: H10K59/40 ,  G06F3/041 ,  G06F3/044 ,  H10K50/86 ,  H10K59/122

Abstract: A display panel including a pixel defining layer including a first portion, in which an opening to expose the first electrode is defined, and a second portion, which is disposed on the first portion and overlaps the first portion. A plurality of thin-films are disposed on the second electrode. An insulation pattern is disposed on the plurality of thin-films, overlaps the pixel defining layer, and overlaps the second portion. A distance between the first portion, which overlaps the insulation pattern, of the sensing electrode and the base insulation layer is greater than that between the second portion, which non-overlaps the insulation pattern, of the sensing electrode and the base insulation layer.