公开(公告)号：US20200152132A1

公开(公告)日：2020-05-14

申请号：US16532581

申请日：2019-08-06

Applicant: LG Display Co., Ltd.

Inventor： JaeHyun KIM ,  KyungMo SON ,  Mijin JEONG

IPC: G09G3/3266 ,  H01L27/32

Abstract: A display device comprises a display panel in which a plurality of subpixels are disposed, wherein the plurality of subpixels include a first subpixel, a second subpixel, a third subpixel, and a fourth subpixel that are sequentially disposed in a single row or column; a gate driver disposed on the display panel and supplying a scanning signal to the plurality of subpixels; a first island pattern disposed in each area of the first subpixel and the third subpixel; a second island pattern disposed in each area of the second subpixel and the fourth subpixel; a first connection line electrically connecting the first island pattern disposed in the area of the first subpixel and the first island pattern disposed in the area of the third subpixel; and a second connection line electrically connecting second island pattern disposed in the area of the second subpixel and the second island pattern disposed in the area of the fourth subpixel, wherein the first connection line and the second connection line are electrically disconnected from each other, and the gate driver independently drives the first connection line and the second connection line.

公开(公告)号：US20250089298A1

公开(公告)日：2025-03-13

申请号：US18800908

申请日：2024-08-12

Applicant: LG Display Co., Ltd.

Inventor： JaeHyun KIM ,  JaeYoung OH ,  KwangHeum LEE ,  Ahrum SOHN ,  Minho LEE

IPC: H01L29/417 ,  H01L27/12 ,  H01L29/786

Abstract: A thin film transistor for a display device can include an active layer disposed on a substrate, a gate electrode overlapping with the active layer, a source electrode electrically connected to the active layer, a drain electrode electrically connected to the active layer, and at least one hole in the active layer, in which the at least one hole at least partially overlaps with an edge of the gate electrode. Also, the at least one hole in the active layer can control or block diffusion of a dopant within the active layer.

公开(公告)号：US20230389357A1

公开(公告)日：2023-11-30

申请号：US18201509

申请日：2023-05-24

Applicant: LG DISPLAY CO., LTD.

Inventor： JaeHyun KIM

IPC: H10K59/121 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K59/1201

Abstract: A thin film transistor substrate includes a first thin film transistor and a second thin film transistor on the base substrate, the first active layer of the first thin film transistor includes a first channel part overlapping with a first gate electrode and a first conductive part penetration region, the second active layer of the second thin film transistor includes the second channel part overlapping with a second gate electrode, a second conductive part penetration region, and a length of the first conductive part penetration region is longer than the second conductive part penetration region.

公开(公告)号：US20250107158A1

公开(公告)日：2025-03-27

申请号：US18894155

申请日：2024-09-24

Applicant: LG Display Co., Ltd.

Inventor： JaeHyun KIM

IPC: H01L29/786 ,  H01L29/417 ,  H01L29/423

Abstract: A thin film transistor substrate may include a substrate, an active layer disposed on the substrate, a gate electrode disposed on the active layer, a source electrode connected to one side of the active layer, and a drain electrode connected to another side of the active layer. The gate electrode may include a first side convexly disposed in a direction of any one of the source electrode and the drain electrode, the active layer may include a plurality of first active holes overlapping the first side, and the plurality of first active holes may be arranged in a direction perpendicular to a direction in which the source electrode and the drain electrode face each other. A display device using the thin film transistor substrate is also disclosed.

公开(公告)号：US20210202643A1

公开(公告)日：2021-07-01

申请号：US17138136

申请日：2020-12-30

Applicant: LG Display Co., Ltd.

Inventor： SiKyu LEE ,  Youngho KIM ,  JaeHyun KIM

IPC: H01L27/32

Abstract: A display device includes a substrate in which a plurality of sub pixels including an emission area and a circuit area is defined. The display device further includes a storage capacitor disposed in the circuit area and including a first capacitor electrode and a second capacitor electrode on the first capacitor electrode. The display device further includes a driving transistor disposed in the circuit area. The display device further includes a light emitting diode disposed in each of the plurality of sub pixels. The plurality of sub pixels includes a red sub pixel, a green sub pixel, a blue sub pixel, and a white sub pixel. And a distance between the first capacitor electrode and the second capacitor electrode in the white sub pixel is smaller than a distance between the first capacitor electrode and the second capacitor electrode in the red sub pixel, the green sub pixel, and the blue sub pixel.