公开(公告)号：US11493552B2

公开(公告)日：2022-11-08

申请号：US17191581

申请日：2021-03-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hwayoung Song ,  Seungwoo Sung ,  Dong Eup Lee ,  Seungji Cha ,  Kimyeong Eom ,  Kwangsae Lee

IPC: G01R31/317 ,  G09G3/20

Abstract: A display panel test circuit includes a first transistor connected to a first data line and receiving a red lighting test signal, a second transistor connected to the first data line and receiving a blue lighting test signal, a third transistor connected to a second data line and receiving a first green lighting test signal, a fourth transistor connected to a third data line and receiving the red lighting test signal, a fifth transistor connected to the third data line and receiving the blue lighting test signal, a sixth transistor connected to a fourth data line and receiving a second green lighting test signal, a seventh transistor connected to the second data line and receiving a crack test signal, and an eighth transistor connected to the fourth data line and receiving the crack test signal. The display panel test circuit performs one or more tests on a display panel.

公开(公告)号：US11515380B2

公开(公告)日：2022-11-29

申请号：US16882897

申请日：2020-05-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seungji Cha ,  Wonkyu Kwak

IPC: H01L27/32

Abstract: A display device includes a first data line extending in a first direction, arranged in a display area, and connected to a first display element; a second data line extending in the first direction, arranged in the display area, and connected to a second display element; an auxiliary line arranged in a first non-display area and connecting the first data line to the second data line; and a plurality of patterns arranged apart from the auxiliary line in surroundings of the auxiliary line in the first non-display area.

公开(公告)号：US12010888B2

公开(公告)日：2024-06-11

申请号：US18051598

申请日：2022-11-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seungji Cha ,  Wonkyu Kwak

IPC: H10K59/131 ,  H10K59/123

CPC classification number: H10K59/131 ,  H10K59/123

Abstract: A display device includes a first data line extending in a first direction, arranged in a display area, and connected to a first display element; a second data line extending in the first direction, arranged in the display area, and connected to a second display element; an auxiliary line arranged in a first non-display area and connecting the first data line to the second data line; and a plurality of patterns arranged apart from the auxiliary line in surroundings of the auxiliary line in the first non-display area.

公开(公告)号：US10991788B2

公开(公告)日：2021-04-27

申请号：US16527608

申请日：2019-07-31

Applicant: Samsung Display Co., Ltd.

Inventor： WonKyu Kwak ,  SangMoo Choi ,  Dongsun Lee ,  ChulKyu Kang ,  Seungji Cha

IPC: H01L47/00 ,  H01L27/32 ,  G09G3/3275

Abstract: An organic light emitting display apparatus includes active patterns arranged corresponding to a plurality of pixels, and connected to each other along a first direction, a first initialization power supply line to which a first initialization voltage is applied, a second initialization power supply line to which a second initialization voltage different from the first initialization voltage is applied, an organic light emitting diode, and an first transistor which apply the second initialization voltage to a first electrode of the organic light emitting diode.