公开(公告)号：US20210013280A1

公开(公告)日：2021-01-14

申请号：US16839796

申请日：2020-04-03

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Eun CHOI ,  Deok Hoi KIM ,  Jeong Hwan KIM ,  Jong Baek SEON ,  Jun Cheol SHIN ,  Jae Hak LEE

IPC: H01L27/32 ,  H01L51/00

Abstract: A display device includes: a base substrate having a display region including a first region and a second region, and a non-display region; a first semiconductor layer including polysilicon at the second region; a first conductive layer on a first insulating layer, and including a bottom gate electrode at the first region and a second-first gate electrode at the second region; a second semiconductor layer including an oxide on a second insulating layer at the first region; a second conductive layer on a third insulating layer, and including a top gate electrode at the first region and a second-second gate electrode at the second region; and a third conductive layer on a fourth insulating layer, and including a first source electrode and a first drain electrode connected to the second semiconductor layer, and a second source electrode and a second drain electrode connected to the first semiconductor layer.

公开(公告)号：US20220262885A1

公开(公告)日：2022-08-18

申请号：US17739010

申请日：2022-05-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Eun CHOI ,  Deok Hoi KIM ,  Jeong Hwan KIM ,  Jong Baek SEON ,  Jun Cheol SHIN ,  Jae Hak LEE

IPC: H01L27/32 ,  H01L51/00

Abstract: A display device includes: a base substrate having a display region including a first region and a second region, and a non-display region; a first semiconductor layer including polysilicon at the second region; a first conductive layer on a first insulating layer, and including a bottom gate electrode at the first region and a second-first gate electrode at the second region; a second semiconductor layer including an oxide on a second insulating layer at the first region; a second conductive layer on a third insulating layer, and including a top gate electrode at the first region and a second-second gate electrode at the second region; and a third conductive layer on a fourth insulating layer, and including a first source electrode and a first drain electrode connected to the second semiconductor layer, and a second source electrode and a second drain electrode connected to the first semiconductor layer.

公开(公告)号：US20190019441A1

公开(公告)日：2019-01-17

申请号：US15861582

申请日：2018-01-03

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Cheol SHIN ,  Won Jang KI ,  Mi Jung KIM ,  Sang Cheon HAN

IPC: G09G3/00 ,  H04N17/00

Abstract: A display device includes a base substrate which includes a display area and a peripheral area, the peripheral area including a bending area; a first test signal line and a second test signal line which are located on the peripheral area; a lower insulating layer which is located on the first test signal line and the second test signal line; a first test connection pattern which is located on the lower insulating layer and connected to the first test signal line; a second test connection pattern which is located on the lower insulating layer, spaced apart from the first test connection pattern, and connected to the second test signal line; an upper insulating layer; and a first crack detection line which is located on the upper insulating layer, is connected to the first and second test connection patterns, and has at least a portion overlapping the bending area.