公开(公告)号：US11348992B2

公开(公告)日：2022-05-31

申请号：US16775545

申请日：2020-01-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Soohee Oh ,  Chulkyu Kang ,  Kyunghoon Kim ,  Sunghwan Kim ,  Hyunchol Bang ,  Dongsun Lee

IPC: H01L27/32 ,  G09G3/3225

Abstract: A display apparatus includes a substrate, a driving thin-film transistor arranged on the substrate and including a driving semiconductor layer and a driving gate electrode, a first scanning line arranged on the first substrate and which extends in a first direction, a data line which extends in a second direction that intersects with the first direction, a node connection line arranged in the same layer as the first scanning line, and a shielding conductive layer arranged between the data line and the node connection line and disposed in the same layer as the driving gate electrode, where an end of the node connection line is connected to the driving gate electrode through a first node contact hole.

公开(公告)号：US20210313410A1

公开(公告)日：2021-10-07

申请号：US17135704

申请日：2020-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghwan Kim ,  Wonkyu Kwak ,  Junghoon Shim

IPC: H01L27/32

Abstract: A display panel includes: a main display area; a component area including a transmission area; a peripheral area outside the main display area; a substrate; main display elements on the substrate to correspond to the main display area; main pixel circuits respectively connected to the main display elements; auxiliary display elements on the substrate to correspond to the component area; auxiliary pixel circuits respectively connected to the auxiliary display elements; a driving voltage line to apply a driving voltage to the main pixel circuits; a data line to apply a data signal to the main pixel circuits; a bottom metal layer between the substrate and the auxiliary pixel circuits at the component area; and a bias wire connected to the bottom metal layer, and located at the main display area.

公开(公告)号：US10789906B2

公开(公告)日：2020-09-29

申请号：US15006000

申请日：2016-01-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Jonghee Kim ,  Sunghwan Kim ,  Jaekeun Lim ,  Chongchul Chai

IPC: G11C19/00 ,  G09G3/36 ,  G11C19/28

Abstract: A gate driving circuit includes a plurality of driving stages, wherein an ith (where i is a natural number of 2 or more) driving stage among the plurality of driving stages includes: a output unit outputting an ith output signal including a high voltage generated based on a clock signal in response to a low voltage at a Q-node; a stabilization unit providing the low voltage to the Q-node in response to a switching signal applied to an A-node after the ith output signal is outputted; and an inverter unit outputting the switching signal for controlling the stabilization unit to the A-node.

公开(公告)号：US10719180B2

公开(公告)日：2020-07-21

申请号：US16013944

申请日：2018-06-21

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghwan Kim ,  Gwang-bum Ko ,  Doik Kim ,  Janghui Kim ,  Seunghwan Chung

IPC: G06F3/044 ,  G09G3/3208 ,  G06F3/047 ,  G06F3/041 ,  G09G3/3266

Abstract: A display device includes a display panel including a base film and a circuit layer disposed on the base film, the circuit layer including a plurality of gate lines, a plurality of data lines, and a gate driving unit configured to receive gate control signals and provide a gate signal to the plurality of gate lines, and a sensing unit including a plurality of driving electrodes, a plurality of sensing electrodes, a sense driving unit configured to receive driving control signals and provide a sense driving signal to the plurality of driving electrodes, and sensing pads configured to transfer, to the outside, an electric signal received from each of the plurality of sensing electrodes, wherein the sense driving unit is included in the circuit layer.

公开(公告)号：US20250166565A1

公开(公告)日：2025-05-22

申请号：US18935650

申请日：2024-11-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hwayoung Song ,  Sunghwan Kim ,  Jihyun Ka ,  Soongi Kwon ,  Chanyoung Yang

IPC: G09G3/3233 ,  H10K59/121 ,  H10K59/131

Abstract: A display apparatus is provided in which at least one pixel electrode in a plurality of pixels overlaps with a data line among a plurality of data lines. A data signal may be supplied to each of the plurality of pixels via the plurality of data lines once per one frame, and an initializing voltage is supplied to the pixel electrode in each of the plurality of pixels at least twice per one frame. A time taken for the data signal to be supplied to each of the plurality of pixels during one frame is less than or equal to a period during which the initializing voltage is supplied to the pixel electrode in each of the plurality of pixels during one frame.

公开(公告)号：US20250063911A1

公开(公告)日：2025-02-20

申请号：US18937149

申请日：2024-11-05

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghwan Kim ,  Wonkyu Kwak

IPC: H10K59/131 ,  H10K59/121 ,  H10K59/124 ,  H10K59/65

Abstract: A display apparatus in which a display area is expanded so that an image may be displayed even in an area where components are arranged\ is provided. The display apparatus includes a substrate including a first area in which a transmissive portion is located and a second area adjacent to the first area, a pixel circuit unit arranged in the first area and including a pixel circuit, a first pixel electrode arranged in the first area and electrically connected to the pixel circuit, the first pixel electrode having a first portion overlapping the pixel circuit unit and a second portion not overlapping the pixel circuit unit, and a metal pattern layer arranged between the substrate and the first pixel electrode and corresponding to the second portion.

公开(公告)号：US12207513B2

公开(公告)日：2025-01-21

申请号：US18525560

申请日：2023-11-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunghwan Kim ,  Wonkyu Kwak ,  Junghoon Shim

IPC: G09G3/32 ,  H10K59/131 ,  H10K59/35

Abstract: A display panel includes: a main display area; a component area including a transmission area; a peripheral area outside the main display area; a substrate; main display elements on the substrate to correspond to the main display area; main pixel circuits respectively connected to the main display elements; auxiliary display elements on the substrate to correspond to the component area; auxiliary pixel circuits respectively connected to the auxiliary display elements; a driving voltage line to apply a driving voltage to the main pixel circuits; a data line to apply a data signal to the main pixel circuits; a bottom metal layer between the substrate and the auxiliary pixel circuits at the component area; and a bias wire connected to the bottom metal layer, and located at the main display area.

公开(公告)号：US12206158B2

公开(公告)日：2025-01-21

申请号：US17866428

申请日：2022-07-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Jae Lee ,  Sunghwan Kim

IPC: H01Q1/24 ,  G06F1/16

Abstract: An electronic device includes a display panel, an antenna, and a circuit film. The antenna overlaps the display panel. The antenna includes an antenna base film having a first surface and a second surface opposite each other. The first surface is disposed between the display panel and the second surface. The antenna further includes an antenna pattern, an antenna feed line, and an antenna pad each being disposed on the first surface. The antenna pattern is electrically connected through the antenna feed line to the antenna pad. The circuit film is electrically connected to the antenna pad.

公开(公告)号：US20240324326A1

公开(公告)日：2024-09-26

申请号：US18614900

申请日：2024-03-25

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghwan Kim ,  Wonkyu Kwak ,  Joongsoo Moon ,  Youngjin Cho ,  Heyjin Shin ,  Changkyu Jin

IPC: H10K59/124 ,  H10K59/121

CPC classification number: H10K59/124 ,  H10K59/1213

Abstract: A display apparatus includes a substrate including a display area and a peripheral area surrounding the display area, a first silicon-based transistor located on the substrate, and including a first semiconductor layer including a silicon semiconductor and a first gate electrode insulated from the first semiconductor layer, a first oxide-based transistor located on the substrate, and including a second semiconductor layer including an oxide semiconductor and a second gate electrode insulated from the second semiconductor layer, and a first gate insulating layer located on the first semiconductor layer and the second semiconductor layer, wherein the first gate electrode and the second gate electrode are located on the first gate insulating layer and are located on substantially a same layer.

公开(公告)号：US12089455B2

公开(公告)日：2024-09-10

申请号：US17010176

申请日：2020-09-02

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunchol Bang ,  Wonkyu Kwak ,  Sunghwan Kim

IPC: H10K59/131 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126 ,  H10K59/35

CPC classification number: H10K59/131 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126 ,  H10K59/352

Abstract: A display device includes a first line group including first lines extending in a first direction on a substrate, a second line group including second lines extending in a second direction on the substrate, the second direction intersecting the first direction, a pixel circuit disposed at a region where the first line group intersects the second line group, a pixel overlapping the pixel circuit, a transmissive area surrounded by the first line group and the second line group, and a metal layer disposed between the substrate and the pixel circuit, the metal layer including an opening corresponding to the transmissive area.