公开(公告)号：US12256601B2

公开(公告)日：2025-03-18

申请号：US18313809

申请日：2023-05-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junghun Yi ,  Seungkyu Lee ,  Wonkyu Kwak ,  Wonse Lee

IPC: H10K59/121 ,  G09G3/3225 ,  H01L27/12 ,  H10K50/813 ,  H10K50/84 ,  H10K50/86 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131 ,  H10K59/35 ,  G09G3/20 ,  G09G3/3233 ,  H10K59/126

Abstract: A display apparatus is provided by the present invention, the display apparatus includes a first thin film transistor (TFT) disposed in a first pixel region and including a first semiconductor layer and a first gate electrode, where the semiconductor layer includes first source and drain regions; a second TFT disposed in a second pixel region adjacent the first pixel region and including a second semiconductor layer and a second gate electrode, where the second semiconductor layer includes a second source and drain regions; a first pixel electrode disposed in the first pixel region and including a first region where a first light-emitting layer is disposed and a second region extending from the first region and disposed on a first via hole; and a second pixel electrode disposed in the second pixel region and including a third region where a second light-emitting layer is disposed and a fourth region extending from the third region and disposed on a second via hole.

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：US12164718B2

公开(公告)日：2024-12-10

申请号：US17992866

申请日：2022-11-22

Applicant: Samsung Display Co., Ltd.

Inventor： Wonjun Choi ,  Il-Joo Kim ,  Deokjung Kim ,  Wonkyu Kwak ,  Youngbae Jung

IPC: G06F3/041

Abstract: An electronic device including: a display panel having an active area in which a plurality of pixels are disposed and a peripheral area disposed around the active area; a plurality of sensing electrodes disposed in the active area; and a first sensing line connected to one of the plurality of sensing electrodes and including a first portion disposed in the peripheral area, a second portion extending from the first portion and disposed in the active area, and a third portion extending from the second portion and disposed in the peripheral area.

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.

公开(公告)号：US11985875B2

公开(公告)日：2024-05-14

申请号：US18201256

申请日：2023-05-24

Applicant: Samsung Display Co., Ltd.

Inventor： Kiwook Kim ,  Wonkyu Kwak ,  Kwangmin Kim ,  Yangwan Kim

IPC: H10K59/12 ,  H10K59/121 ,  H10K59/131 ,  H10K59/35

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/353

Abstract: A display panel is disclosed that includes a substrate, a first initialization voltage line, and a second initialization voltage line. The substrate includes a display area and a peripheral area. The first initialization voltage line is arranged in the display area and includes a first vertical voltage line and a first horizontal voltage line. The second initialization voltage line includes a second vertical voltage line and a second horizontal voltage line overlapping the first horizontal voltage line in a plan view. Each of the plurality of pixels includes a first sub-pixel configured to emit light of a first color, and a second sub-pixel configured to emit light of a second color. The first initialization voltage line is configured to transmit a first initialization voltage to one electrode of a light-emitting diode of the first sub-pixel. The second initialization voltage line is configured to transmit a second initialization voltage to one electrode of a light-emitting diode of the second sub-pixel.

公开(公告)号：US11963415B2

公开(公告)日：2024-04-16

申请号：US18178501

申请日：2023-03-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongwook Kim ,  Wonkyu Kwak ,  Sunja Kwon ,  Seho Kim ,  Hansung Bae

IPC: H10K59/131 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/12 ,  H05K1/18 ,  H10K50/81 ,  H10K50/82 ,  H10K50/842

CPC classification number: H10K59/131 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/124 ,  H05K1/189 ,  H10K50/81 ,  H10K50/82 ,  H10K50/8426 ,  H05K2201/10128

Abstract: A display device includes a substrate. The display unit is disposed on the substrate and includes a pixel circuit and a display element electrically connected to the pixel circuit. A driving circuit is disposed outside of the display unit. The driving circuit includes a thin film transistor. An inorganic insulating layer is disposed on the driving circuit. A power supply line is disposed on the inorganic insulating layer, overlaps the driving circuit, and is connected to a common electrode of the display element. An encapsulation substrate is disposed on the power supply line and faces the substrate. A sealing material is interposed between the substrate and the encapsulation substrate and overlaps the driving circuit.

公开(公告)号：US11937456B2

公开(公告)日：2024-03-19

申请号：US17322257

申请日：2021-05-17

Applicant: Samsung Display Co., Ltd.

Inventor： Kiwook Kim ,  Chul kyu Kang ,  Wonkyu Kwak ,  Kwangmin Kim ,  Joongsoo Moon

IPC: H10K59/121 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/12 ,  H10K59/131 ,  H01L29/786

CPC classification number: H10K59/1213 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/1222 ,  H01L27/1225 ,  H01L27/124 ,  H10K59/1216 ,  H10K59/131 ,  G09G2300/0426 ,  H01L29/78651 ,  H01L29/7869

Abstract: A display apparatus includes a substrate including a display area for displaying an image, a first thin film transistor in the display area and including a first semiconductor layer having a silicon semiconductor and a first gate electrode insulated from the first semiconductor layer, a first interlayer insulating layer covering the first gate electrode and having a first contact hole extending therethrough, and a second thin film transistor on the first interlayer insulating layer and including a second semiconductor layer having an oxide semiconductor and a second gate electrode insulated from the second semiconductor layer. A portion of the second semiconductor layer extends into a first contact hole and is electrically connected to the first semiconductor layer.

公开(公告)号：US11869902B2

公开(公告)日：2024-01-09

申请号：US17157724

申请日：2021-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Hansung Bae ,  Wonkyu Kwak

IPC: H01L29/08 ,  H01L27/12 ,  G09G3/3266 ,  G09G3/3291 ,  H10K50/11 ,  H10K50/81 ,  H10K50/82 ,  H10K50/844 ,  H10K59/131 ,  H10K59/121

CPC classification number: H01L27/1255 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/124 ,  H10K50/11 ,  H10K50/81 ,  H10K50/82 ,  H10K50/8445 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/131 ,  G09G2300/0439

Abstract: A thin film transistor array substrate includes a substrate, at least one thin film transistor, a capacitor, an interlayer insulating layer, and a node connection line. The at least one thin film transistor is on the substrate. The capacitor is on the substrate and includes: a bottom electrode on the substrate; a top electrode overlapping the bottom electrode, the top electrode including an opening having a single closed curve shape; and a dielectric layer between the bottom electrode and the top electrode. The interlayer insulating layer covers the capacitor. The node connection line is on the interlayer insulating layer and electrically connects the capacitor to the least one thin film transistor. An overlapping area of the bottom electrode and the top electrode is divided by the opening into two separate areas.