公开(公告)号：US20230171997A1

公开(公告)日：2023-06-01

申请号：US17878170

申请日：2022-08-01

Applicant: Samsung Display Co., Ltd.

Inventor： JIEUN CHOI ,  YONGSUNG PARK ,  NAM-HYUN KIM ,  YOUHAN MOON ,  SUNGWOO JUNG

IPC: H01L27/32 ,  H01L29/786

CPC classification number: H01L27/3262 ,  H01L27/3265 ,  H01L29/7869 ,  H01L29/78651 ,  H01L29/78633 ,  H01L27/3276

Abstract: A display panel includes a base layer including a display area and a non-display area, a repair circuit disposed in the non-display area, a pixel disposed in the display area and including a pixel circuit and a light emitting element electrically connected to the pixel circuit, and a repair line electrically connecting the repair circuit to the pixel. The pixel circuit includes a silicon transistor including a silicon semiconductor pattern and a first gate disposed on the silicon semiconductor pattern, an oxide transistor including a light shielding pattern disposed on the first gate and disposed on the same layer as the repair line, an oxide semiconductor pattern disposed on the light shielding pattern, and a second gate disposed on the oxide semiconductor pattern, and a bridge electrode electrically connected to the light emitting element and the silicon transistor.

公开(公告)号：US20240274078A1

公开(公告)日：2024-08-15

申请号：US18433443

申请日：2024-02-06

Applicant: Samsung Display Co., Ltd.

Inventor： JIEUN CHOI ,  YONGSUNG PARK

IPC: G09G3/3233 ,  H10K59/121 ,  H10K59/123

CPC classification number: G09G3/3233 ,  H10K59/1213 ,  H10K59/123 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2320/041

Abstract: A display device includes a first pixel circuit and a second pixel circuit. The first pixel circuit includes a driving transistor generating a driving current, a temperature compensation transistor connected to the driving transistor, and a light emitting element connected to the temperature compensation transistor and emitting light according to the driving current.

公开(公告)号：US20230140902A1

公开(公告)日：2023-05-11

申请号：US17977983

申请日：2022-10-31

Applicant: Samsung Display Co., Ltd.

Inventor： YONGSUNG PARK ,  JIEUN CHOI

IPC: G09G3/32 ,  G09G3/3266

CPC classification number: G09G3/32 ,  G09G3/3266 ,  G09G2310/0262 ,  G09G2310/0216

Abstract: A display device includes: a light emitting element; a first driving transistor between a first node and the light emitting element; a second driving transistor between the first node and the light emitting element; a switching transistor between a data line and the first node; a first compensation transistor between a first control electrode of the first driving transistor and a second node, and configured to receive a first compensation scan signal; a second compensation transistor between a second control electrode of the second driving transistor and the second node, and configured to receive a second compensation scan signal; a first initialization transistor between the first control electrode of the first driving transistor and a first initialization voltage line; and a second initialization transistor between the second control electrode of the second driving transistor and a second initialization voltage line.

公开(公告)号：US20240087508A1

公开(公告)日：2024-03-14

申请号：US18508220

申请日：2023-11-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YONGSUNG PARK ,  JIEUN CHOI

IPC: G09G3/32 ,  G09G3/3266

CPC classification number: G09G3/32 ,  G09G3/3266 ,  G09G2310/0216 ,  G09G2310/0262

Abstract: A display device includes: a light emitting element; a first driving transistor between a first node and the light emitting element; a second driving transistor between the first node and the light emitting element; a switching transistor between a data line and the first node; a first compensation transistor between a first control electrode of the first driving transistor and a second node, and configured to receive a first compensation scan signal; a second compensation transistor between a second control electrode of the second driving transistor and the second node, and configured to receive a second compensation scan signal; a first initialization transistor between the first control electrode of the first driving transistor and a first initialization voltage line; and a second initialization transistor between the second control electrode of the second driving transistor and a second initialization voltage line.

公开(公告)号：US20240054927A1

公开(公告)日：2024-02-15

申请号：US18340657

申请日：2023-06-23

Applicant: Samsung Display Co., Ltd.

Inventor： YONGSUNG PARK ,  NAM-HYUN KIM ,  SUNGWOO JUNG ,  JIEUN CHOI

IPC: G09G3/00 ,  G09G3/32

CPC classification number: G09G3/006 ,  G09G3/32 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0413 ,  G09G2330/08 ,  G09G2330/12 ,  G09G2300/0426 ,  G09G2320/0233 ,  G09G2320/0242

Abstract: A display device includes a plurality of pixels, a dummy pixel, and a repair line, wherein the plurality of pixels may include a first subpixel including a first pixel circuit connected with a first initialization voltage line through which a first initialization voltage is provided, and a first light emitting element, and a second subpixel including a second pixel circuit connected with a second initialization voltage line through which a second initialization voltage different from the first initialization voltage is provided, and a second light emitting element, wherein the dummy pixel may include a first transistor connectable with the repair line and connected with the first initialization voltage line, a second transistor connectable with the repair line and connected with the second initialization voltage line, and a dummy pixel circuit connectable with the repair line.