公开(公告)号：US11568801B2

公开(公告)日：2023-01-31

申请号：US17575733

申请日：2022-01-14

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun Park ,  Jang Mi Kang ,  Min Jae Jeong

IPC: G09G3/32

Abstract: A pixel includes: a light emitting element; a first transistor connected between a first node electrically connected to a first driving power source and a second node electrically connected to an anode electrode of the light emitting element, the first transistor to control a driving current; a second transistor connected between a data line and the first node; a third transistor connected between the second node and a third node connected to a gate of the first transistor; a fourth transistor connected between the third node and a first initialization power source; a fifth transistor connected between a second initialization power source and the anode electrode of the light emitting element, the fifth transistor being turned on by a scan signal provided to a scan line; and a boosting capacitor connected between the scan line and the third node.

公开(公告)号：US20220366852A1

公开(公告)日：2022-11-17

申请号：US17875601

申请日：2022-07-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Min Jae JEONG ,  Jun Hyun Park ,  Hyun Joon Kim ,  Kyung Hoon Chung ,  Jang Mi Kang ,  Hae Min Kim

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel including: a light emitting element; a first transistor connected between a first power source and a second node; a first capacitor connected to a first node or a second node and a third node; a second transistor between the third node and a data line, the second transistor turned on by a first scan signal; a third transistor between the first and second nodes, the third transistor turned on by a second scan signal; a fifth transistor between the first power source and the first transistor, the fifth transistor turned on by a first emission control signal; a sixth transistor between the second node and the light emitting element, the sixth transistor turned on by a second emission control signal; and an eighth transistor between the second node and a second emission control line, the eighth transistor turned on by a fourth scan signal.

公开(公告)号：US09691798B2

公开(公告)日：2017-06-27

申请号：US15054591

申请日：2016-02-26

Applicant: Samsung Display Co., Ltd

Inventor： In-Jae Hwang ,  Mee Hye Jung ,  Jang Mi Kang ,  Il Gon Kim

IPC: G02F1/1343 ,  H01L27/12 ,  G02F1/1337

CPC classification number: H01L27/1248 ,  G02F1/133707 ,  G02F1/134336 ,  G02F2001/133757 ,  G02F2001/134345 ,  H01L27/124 ,  H01L27/1251 ,  H01L29/41733

Abstract: A display device includes: an insulating layer positioned on a first insulating substrate; a pixel electrode including a first subregion electrode applied with a first voltage and positioned beneath the insulating layer, a first subpixel electrode which includes a second subregion electrode positioned on the insulating layer, and a second subpixel electrode which is positioned on the insulating layer and applied with a second voltage; a second insulating substrate facing the first insulating substrate; and a common electrode positioned under the second insulating substrate and applied with a common voltage, wherein one pixel area is divided into a first part in which the second subregion electrode is positioned, a second part in which the first subregion electrode and a portion of the second subpixel electrode overlap each other, and a third part which does not overlap the first subregion electrode in the second subpixel electrode.

公开(公告)号：US12243474B2

公开(公告)日：2025-03-04

申请号：US18480505

申请日：2023-10-04

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun Park ,  Jang Mi Kang ,  Min Jae Jeong

IPC: G09G3/32 ,  H10K59/131 ,  G09G3/30 ,  G09G3/3233 ,  H10K50/805 ,  H10K59/121 ,  H10K59/123 ,  H10K59/88 ,  H10K71/00

Abstract: An emissive display device includes a driving transistor that includes a driving gate electrode, a first electrode, and a second electrode; a storage capacitor that includes a first electrode connected to the driving gate electrode and a second electrode; a hold capacitor that includes a first electrode connected to the second electrode of the storage capacitor and a second electrode to which a driving voltage is applied; and a light emitting diode that includes an anode, it further includes a connector that connects the first electrode of the hold capacitor and the second electrode of the hold capacitor, the first electrode of the hold capacitor is in a first gate conductive layer, and the second electrode of the storage capacitor is in a second gate conductive layer, the connector is in a first data conductive layer on the first gate conductive layer and the second gate conductive layer.

公开(公告)号：US12200992B2

公开(公告)日：2025-01-14

申请号：US18301297

申请日：2023-04-17

Applicant: Samsung Display Co., LTD.

Inventor： Jang Mi Kang ,  Cheol Gon Lee ,  Jae Yong Jang ,  Mee Hye Jung

IPC: H10K59/131 ,  G06F3/041 ,  G06F3/044 ,  H10K50/86 ,  H10K59/122 ,  H10K59/40 ,  H10K59/121

Abstract: A display device includes a display panel having a display area and a non-display area, signal wires disposed in the display area, connection wires disposed in the display area and electrically connected to the signal wires, and touch electrodes disposed on the connection wires. The connection wires include diagonal portions extending in a diagonal direction, and first protrusion patterns protruding from the diagonal portions of the connection wires. Parts of the first protrusion patterns overlap the touch electrodes.

公开(公告)号：US12073786B2

公开(公告)日：2024-08-27

申请号：US18201739

申请日：2023-05-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Mi Kang ,  Jun Hyun Park ,  Min Jae Jeong

IPC: G09G3/3233 ,  H10K59/121 ,  H10K59/126 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/126 ,  H10K59/131 ,  G09G2300/0413 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2320/0257 ,  G09G2330/021

Abstract: A pixel of display device includes a light emitting element, a first transistor coupled between first power source and a second node and having a gate electrode connected to a first node N1, and the first transistor being configured to control a driving current supplied to the light emitting element in response to a voltage of the first node, a first capacitor including one electrode connected to the first node and another electrode connected to a third node, a second transistor coupled between the third node and a data line, a third transistor coupled between the first node and the second node, a fourth transistor coupled between the first node and an initialization power source, a fifth transistor coupled between a reference power source and the third node, and an eighth transistor coupled between a fourth node and an anode initialization power source.

公开(公告)号：US11769449B2

公开(公告)日：2023-09-26

申请号：US18103356

申请日：2023-01-30

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun Park ,  Jang Mi Kang ,  Min Jae Jeong

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/061 ,  G09G2320/0257

Abstract: A pixel includes: a light emitting element; a first transistor connected between a first node electrically connected to a first driving power source and a second node electrically connected to an anode electrode of the light emitting element, the first transistor to control a driving current; a second transistor connected between a data line and the first node; a third transistor connected between the second node and a third node connected to a gate of the first transistor; a fourth transistor connected between the third node and a first initialization power source; a fifth transistor connected between a second initialization power source and the anode electrode of the light emitting element, the fifth transistor being turned on by a scan signal provided to a scan line; and a boosting capacitor connected between the scan line and the third node.

公开(公告)号：US11462178B2

公开(公告)日：2022-10-04

申请号：US17135806

申请日：2020-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Mi Kang ,  Ji Sun Kim ,  Mu Kyung Jeon

IPC: G09G3/20 ,  G09G3/3283 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/3258 ,  H01L27/12 ,  H01L27/32

Abstract: A display device including a light-emitting diode, a first transistor configured to supply a driving current to the light-emitting diode, a second transistor configured to transmit a data signal to the first transistor, a third transistor configured to transmit the data signal compensated with a threshold voltage to a gate electrode of the first transistor, a first scan line connected to a gate electrode of the second transistor, a second scan line connected to a gate electrode of the third transistor and insulated from the first scan line, and a conductive pattern connected to the gate electrode of the first transistor and insulated from the first scan line and the second scan line. The conductive pattern overlaps the first scan line and the second scan line, and the conductive pattern includes a stem part extending in one direction and a branch part branching from the stem part and overlapping the first scan line.

公开(公告)号：US20220101777A1

公开(公告)日：2022-03-31

申请号：US17323213

申请日：2021-05-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Joon Kim ,  Jang Mi Kang ,  Hae Min Kim ,  Jun Hyun Park ,  Min Jae Jeong ,  Ki Hyun Pyo

IPC: G09G3/32

Abstract: A display device according to an embodiment of the present disclosure includes pixels connected to a first scan line, a second scan line, a third scan line, a data line, a first emission control line, and a second emission control line. Each of the pixels includes a light emitting element; a first transistor connected between a first node connected to a first power source and a second electrode connected to a second node connected to an anode of the light emitting element, and including a gate electrode connected to a third node; a second transistor connected between the data line and a fourth node and including a gate electrode connected to the first scan line; a first capacitor connected between the second node and a fifth node; a second capacitor connected between the fourth node and the fifth node; a fourth transistor connected between the third node and the fifth node, and including a gate electrode connected to the second scan line; and a sixth transistor connected between the third node and the fourth node, and including a gate electrode connected to the first emission control line.

公开(公告)号：US09875717B2

公开(公告)日：2018-01-23

申请号：US15098064

申请日：2016-04-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Mi Kang ,  Kwang-Chul Jung ,  Cheol-Gon Lee ,  Mee Hye Jung

IPC: G09G3/36 ,  G02F1/1362 ,  G02F1/1343 ,  G02F1/1333

CPC classification number: G09G3/3696 ,  G02F1/133377 ,  G02F1/133707 ,  G02F1/134309 ,  G02F1/136286 ,  G02F2001/134345 ,  G09G3/3614 ,  G09G3/3648 ,  G09G3/3655 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2300/0447 ,  G09G2300/0478

Abstract: Provided is a liquid crystal display device including: a substrate; a first gate line; a first data line and a second data line to which data voltages with different polarities are applied; a first pixel electrode connected to the first gate line and the first data line; a liquid crystal layer formed on the first pixel electrode; and a first common electrode and a second common electrode disposed on the liquid crystal layer, in which the first pixel electrode includes a first subpixel electrode overlapping with the first common electrode and a second subpixel electrode overlapping with the second common electrode. A first voltage and A second voltage are alternatingly applied to the first common electrode and the second common electrode every two or more frames, respectively.