公开(公告)号：US20220030700A1

公开(公告)日：2022-01-27

申请号：US17239652

申请日：2021-04-25

Applicant: Samsung Display Co., Ltd.

Inventor： HYO-CHUL LEE ,  JI-WON KIM ,  IN SOO WANG

IPC: H05K1/02 ,  H05K1/18

Abstract: A circuit board for a display device includes: a signal line to transmit signal, a first metallic layer overlapping the signal line, a first conductive layer spaced apart from the first metallic layer, a base layer insulating the signal line from the first metallic layer and from the first conductive layer, and a first capacitor including a first terminal electrically coupled to the first metallic layer and a second terminal electrically coupled to the first conductive layer.

公开(公告)号：US20250078756A1

公开(公告)日：2025-03-06

申请号：US18819628

申请日：2024-08-29

Applicant: Samsung Display Co., Ltd.

Inventor： IN SOO WANG ,  SANG YONG NO ,  KEUK-JIN JEONG ,  YONGWOO LEE

IPC: G09G3/3233

Abstract: A pixel includes a driving switching element including a control electrode connected to a first node, a first electrode connected to a second node and a second electrode connected to a third node, a writing switching element including a control electrode receiving a writing gate signal, a first electrode receiving a data voltage and a second electrode connected to the second node, a compensation switching element including a control electrode receiving a compensation gate signal, a first electrode connected to the first node and a second electrode connected to the third node, a storage capacitor including a first electrode receiving a first power voltage and a second electrode connected to the first node, the light emitting element emitting a light based on a driving current flowing through the driving switching element. The writing gate signal is n-th stage gate signal. The compensation gate signal is (n+k)-th stage gate signal.

公开(公告)号：US20240015897A1

公开(公告)日：2024-01-11

申请号：US18126605

申请日：2023-03-27

Applicant: Samsung Display Co., Ltd.

Inventor： HYO-CHUL LEE ,  YOUNYEE KANG ,  JI-WON KIM ,  SEUNGIN BAEK ,  IN SOO WANG

IPC: H05K5/00 ,  H05K1/18

CPC classification number: H05K5/0018 ,  H05K1/189 ,  H05K5/0086 ,  H05K2201/10128 ,  H05K2201/09327

Abstract: A circuit board includes a first body part, a second body part and a connection part. The first body part includes a first contact surface and has a multi-layered structure. The second body part includes a second contact surface, has a multi-layered structure, and includes a first signal line spaced apart from the second contact surface. The connection part includes a third contact surface between the first contact surface and the second contact surface, and connects the first body part and the second body part to each other.