公开(公告)号：US12106706B2

公开(公告)日：2024-10-01

申请号：US18224079

申请日：2023-07-20

Applicant: Samsung Display Co., Ltd.

Inventor： Minjae Jeong ,  Jangmi Kang ,  Hyeongseok Kim ,  Junhyun Park ,  Mukyung Jeon

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/061

Abstract: A pixel of a display device includes a first transistor including a top gate coupled to a first node, a first terminal, a second terminal coupled to a second node, and a bottom gate, a second transistor including a gate coupled to a writing signal line, a first terminal coupled to a data line, and a second terminal coupled to the first node, a storage capacitor coupled between the first node and the second node, a light emitting element coupled between the second node and a second power supply voltage line, and a seventh transistor including a gate coupled to an initialization signal line, a first terminal coupled to a bias voltage line, and a second terminal coupled to the bottom gate.

公开(公告)号：US11961455B2

公开(公告)日：2024-04-16

申请号：US18066977

申请日：2022-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Junhyun Park ,  Jangmi Kang ,  Hyeongseok Kim ,  Minjae Jeong ,  Mukyung Jeon

IPC: G09G3/32 ,  G09G3/00

CPC classification number: G09G3/32 ,  G09G3/006 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/0275 ,  G09G2330/12

Abstract: A pixel circuit includes: a light emitting element; a driving transistor to generate a driving current; a write transistor including a control electrode to receive a write gate signal, a first electrode to receive a data voltage, and a second electrode connected to a first electrode of a storage capacitor; a first compensation transistor including a control electrode to receive a compensation gate signal, a first electrode connected to a control electrode of the driving transistor, and a second electrode connected to a first electrode of the driving transistor; the storage capacitor including the first electrode connected to the second electrode of the write transistor, and a second electrode connected to the control electrode of the driving transistor; and a test transistor including a control electrode, a first electrode to receive the data voltage, and a second electrode connected to a second electrode of the driving transistor.

公开(公告)号：US11943966B2

公开(公告)日：2024-03-26

申请号：US17653895

申请日：2022-03-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sungjae Moon ,  Dongwoo Kim ,  Junhyun Park ,  Kangmoon Jo

IPC: H10K50/86 ,  H10K50/842 ,  H10K50/844 ,  H10K59/122 ,  H10K59/131 ,  H10K59/38 ,  H10K59/40

CPC classification number: H10K50/865 ,  H10K50/8426 ,  H10K50/844 ,  H10K59/122 ,  H10K59/1315 ,  H10K59/38 ,  H10K59/40

Abstract: A display device includes a first substrate including a display area and a peripheral area outside the display area, pixels arranged in the display area and each including an emission area defined by a non-emission area, a thin-film encapsulation layer covering the pixels and including at least one inorganic encapsulation layer and at least one organic encapsulation layer, a pattern layer above the thin-film encapsulation layer, the pattern layer including a first light-blocking pattern shielding at least a portion of the non-emission area, and a second substrate facing the first substrate and including a second light-blocking pattern shielding at least a portion of the non-emission area.

公开(公告)号：US11545539B2

公开(公告)日：2023-01-03

申请号：US17693583

申请日：2022-03-14

Applicant: Samsung Display Co., Ltd.

Inventor： Kangmoon Jo ,  Dongwoo Kim ,  Sungjae Moon ,  Junhyun Park ,  Ansu Lee

IPC: H01L27/32 ,  G09G3/36 ,  H01L27/12

Abstract: There is provided a display device. The display device includes a first data line on a first interlayer insulating layer over a substrate, a first power line and a second power line on a second interlayer insulating layer, the second interlayer insulating layer covering the first data line, and a plurality of pixels. A first pixel among the plurality of pixels includes a display element including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode, the second power line being connected to the opposite electrode, and a driving thin film transistor between the substrate and the display element and including a driving semiconductor layer, a driving gate electrode, a driving source electrode, and a driving drain electrode, the first interlayer insulating layer covering the driving gate electrode, and the first power line being connected to the driving source electrode.

公开(公告)号：US11276715B2

公开(公告)日：2022-03-15

申请号：US16784743

申请日：2020-02-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongwoo Kim ,  Junhyun Park ,  Sungjae Moon ,  Ansu Lee ,  Kangmoon Jo

IPC: H01L27/14 ,  H01L27/12 ,  H01L27/32

Abstract: A display panel includes a first transistor that contains oxide, a capacitor that includes a first electrode and a second electrode, a light emitting element connected to the capacitor and the first transistor, and an additional control electrode connected to the second electrode. The first and second electrodes are disposed on different layers from each other and are coupled to a first control electrode and a first output electrode, respectively, of the first transistor, and the light emitting element includes a light emitting layer. The additional control electrode overlap the first control electrode and the first semiconductor pattern, when viewed in a plan view. The additional control electrode and the second electrode are disposed on the same layer and form a single body.

公开(公告)号：US11201307B2

公开(公告)日：2021-12-14

申请号：US16386187

申请日：2019-04-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Ansu Lee

IPC: H01L51/52 ,  H01L27/32

Abstract: A display panel includes an insulating substrate in which at least one hole is defined, wherein the insulating substrate comprises a hole area in which the hole is defined, a display area surrounding the hole area, and a peripheral area adjacent to the display area, a plurality of pixels in the display area, a plurality of main signal lines in the display area and electrically connected to the pixels, and a plurality of sub-signal lines in the hole area and electrically connected to the pixels, wherein the hole area comprises a line area which surrounds the hole and in which the sub-signal lines are located, and a compensation area between the line area and the display area in a plan view and configured to display a black color.

公开(公告)号：US11121188B2

公开(公告)日：2021-09-14

申请号：US16593570

申请日：2019-10-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kangmoon Jo ,  Dongwoo Kim ,  Youngmin Kim ,  Sungjae Moon ,  Kisoo Park ,  Junhyun Park ,  Ansu Lee

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

Abstract: An organic light-emitting display apparatus includes a display layer including a first non-light-emitting area in which a pixel-defining layer surrounding a light-emitting area is arranged, and a second non-light-emitting area further including a spacer on the pixel-defining layer; a light shield layer including a first black matrix and a second matrix covering the first non-light-emitting area and the second non-light-emitting area, respectively, and having different dielectric constants; and a touchscreen electrode including a touch electrode on a position corresponding to the first black matrix and the second matrix.

公开(公告)号：US10955965B2

公开(公告)日：2021-03-23

申请号：US16458277

申请日：2019-07-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Dongwoo Kim ,  Sunkwang Kim ,  Kangmoon Jo

IPC: G06F3/041 ,  G09G3/3225 ,  H01L27/32 ,  G06F3/044

Abstract: A display device includes a base substrate and an input detection unit. The base substrate includes a front surface and a tear surface that face each other, an active area, a peripheral area adjacent to the active area, a module hole in the active area, a routing area that surrounds the module hole, and a depression pattern that surrounds the module hole between the routing area and the module hole. The input detection unit includes first touch sensor units along a first direction, a first connection part that connects adjacent first touch sensor units, second touch sensor units arranged in a second direction that intersects the first direction, a second connection part that connects adjacent second touch sensor units: and a bridge line disposed in the routing area and connected to second touch sensor units adjacent to each other in the second direction with the module hole therebetween.

公开(公告)号：US20200013834A1

公开(公告)日：2020-01-09

申请号：US16376608

申请日：2019-04-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Sunkwang Kim ,  Kangmoon Jo

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

Abstract: A display device includes a substrate, a first insulating layer disposed on the substrate, a through portion passing through the substrate and the first insulating layer, a display unit disposed on the first insulating layer and including a plurality of pixels surrounding at least a portion of the through portion, and a dummy pixel unit. Each pixel includes a light-emitting element including a pixel electrode and an opposite electrode facing each other, and an emission layer disposed between the pixel electrode and the opposite electrode. The dummy pixel unit includes a plurality of dummy pixels disposed between the through portion and the display unit, and including a metal pattern including a same material as the pixel electrode. The dummy pixels are disposed adjacent to the display unit.

公开(公告)号：US10409126B2

公开(公告)日：2019-09-10

申请号：US13782823

申请日：2013-03-01

Applicant: SAMSUNG DISPLAY CO., LTD. ,  KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION

Inventor： Jihun Lim ,  Byung Du Ahn ,  Gun Hee Kim ,  Junhyun Park ,  Jehun Lee ,  Jaewoo Park ,  Dae Hwan Kim ,  Hyunkwang Jung ,  Jaehyeong Kim

IPC: H01L51/10 ,  G02F1/1362 ,  G02F1/1368 ,  H01L29/417 ,  H01L29/786

Abstract: A thin film transistor includes a gate electrode, a first insulating layer disposed to cover the gate electrode, a semiconductor layer disposed on the first insulating layer that includes a first side surface portion, a source electrode disposed on the semiconductor layer, and a drain electrode disposed on the first insulating layer that includes a second side surface portion. The first side surface portion makes contact with the second side surface portion.