公开(公告)号：US20240373693A1

公开(公告)日：2024-11-07

申请号：US18431907

申请日：2024-02-02

Applicant: Samsung Display Co., LTD.

Inventor： JAEHYUN LEE ,  KIWON PARK ,  YEEUN KANG ,  SEUNGRAE KIM ,  JONGBUM CHOI

IPC: H10K59/131 ,  G09G3/32 ,  H10K59/121

Abstract: A pixel includes a first transistor including a first terminal configured to receive a driving voltage, a second terminal connected to a light-emitting diode, and a gate terminal connected to a node, a second transistor including a first terminal configured to receive a data voltage, a second terminal connected to the node, and a gate terminal configured to receive a scan signal, a third transistor including a first terminal configured to receive an initialization voltage, a second terminal connected to the light-emitting diode, and a gate terminal configured to receive a sensing signal, and a fourth transistor including a first terminal configured to receive a scan clock signal, a second terminal connected to the gate terminal of the second transistor, and a gate terminal configured to receive a voltage of a Q node.

公开(公告)号：US20230128398A1

公开(公告)日：2023-04-27

申请号：US17874702

申请日：2022-07-27

Applicant: Samsung Display Co., Ltd.

Inventor： JAEHYUN LEE ,  SEUL-KI KIM ,  KAP SOO YOON ,  KI SU JIN ,  SEUNG-HA CHOI ,  JONGBUM CHOI

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device includes a pixel, a first pad electrode disposed around the pixel, a buffer layer disposed on the first pad electrode, a first insulating layer disposed on the buffer layer, and a second pad electrode disposed on the first insulating layer, the second pad electrode being electrically connected to the first pad electrode through a contact hole in the first insulating layer and the buffer layer. A first step, a second step below the first step, and a third step below the second step are defined on the first insulating layer and the buffer layer around the first pad electrode and the second pad electrode.

公开(公告)号：US20240334757A1

公开(公告)日：2024-10-03

申请号：US18620850

申请日：2024-03-28

Applicant: Samsung Display Co., LTD.

Inventor： JONGBUM CHOI ,  YEEUN KANG ,  SEUL-KI KIM ,  SEUNGRAE KIM ,  WOOGEUN LEE ,  JAEHYUN LEE

IPC: H10K59/124 ,  H10K59/12 ,  H10K71/00

CPC classification number: H10K59/124 ,  H10K59/1201 ,  H10K71/861

Abstract: A display device includes: a substrate including a pixel area and an array test area spaced apart from the pixel area; a gate electrode on the substrate, overlapping the pixel area, and defining a first opening; a passivation layer on the gate electrode and defining a second opening overlapping the first opening; a via insulating layer on the passivation layer and defining a third opening overlapping the second opening; a first electrode on the passivation layer and overlapping a portion of the pixel area; and an insulating layer filling the first opening.