公开(公告)号：US12254833B2

公开(公告)日：2025-03-18

申请号：US17509363

申请日：2021-10-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Won Choi ,  Jun Yong An ,  Yun Kyeong In ,  Won Mi Hwang

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/3291 ,  H10K50/805 ,  H10K59/131

Abstract: A display device includes: a plurality of pixels substantially in a matrix form including a plurality of pixel columns in a first direction and a plurality of pixel rows in a second direction intersecting the first direction; a plurality of data lines connected to the pixel columns, respectively; a plurality of scan lines extending in the second direction; and a power line which supplies a driving power voltage to the pixels. Each of the data lines includes a first sub-data line disposed at a side of a corresponding pixel column, and a second sub-data line disposed at an opposite side of the corresponding pixel column, and each of the pixels includes a first transistor and a display element connected to the first transistor, where the power line overlaps with at least a portion of the first transistor.

公开(公告)号：US12118924B2

公开(公告)日：2024-10-15

申请号：US18231719

申请日：2023-08-08

Applicant: Samsung Display Co., LTD.

Inventor： Kyong Hwan Oh ,  Jin Tae Jeong ,  Ji Hyun Ka ,  Won Kyu Kwak ,  Hyung Jun Park ,  Chang Soo Pyon ,  Ji Eun Lee ,  Hai Jung In ,  Won Mi Hwang

IPC: G09G3/32 ,  G09G3/3233

CPC classification number: G09G3/32 ,  G09G3/3233 ,  G09G2310/0278 ,  G09G2330/028

Abstract: A display device includes pixels, and a power supply to supply a first initialization voltage to the pixels through a first initialization power line, and to supply a second initialization voltage to the pixels through a second initialization power line. At least one of the pixels includes a first transistor, a second transistor, a third transistor, and a light emitting element.

公开(公告)号：US11257422B2

公开(公告)日：2022-02-22

申请号：US17078088

申请日：2020-10-22

Applicant: Samsung Display Co., LTD.

Inventor： Kyong Hwan Oh ,  Jin Tae Jeong ,  Ji Hyun Ka ,  Won Kyu Kwak ,  Hyung Jun Park ,  Chang Soo Pyon ,  Ji Eun Lee ,  Hai Jung In ,  Won Mi Hwang

IPC: G09G3/30 ,  G09G3/32

Abstract: A display device includes a power supply to supply a first initialization power source to the pixels through a first initialization and to supply a second initialization power source to the pixels through a second power line.

公开(公告)号：US12041832B2

公开(公告)日：2024-07-16

申请号：US18088603

申请日：2022-12-25

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Yong An ,  Yun Kyeong In ,  Jun Won Choi ,  Won Mi Hwang

IPC: H10K59/131 ,  H10K59/121 ,  H10K59/124 ,  H01L27/12 ,  H10K59/35

CPC classification number: H10K59/1315 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/124 ,  H10K59/131 ,  H01L27/124 ,  H01L27/1248 ,  H10K59/121 ,  H10K59/352 ,  H10K59/353

Abstract: A display device may includes: a substrate including a pixel area and a peripheral area; pixels provided in the pixel area of the substrate, each of the pixels including a light-emitting element provided with a pixel electrode; scan lines and data lines coupled to the pixels; a power line configured to supply driving power to the light-emitting elements, and extending in one direction; and an initialization power line configured to supply initialization power to the light-emitting elements. The power line and the initialization power line may be provided on different layers. The initialization power line may include: first conductive lines extending in a direction oblique to the scan lines and the data lines; and conductive lines intersecting the first conductive lines. The first and second conductive lines may be disposed in areas between the pixel electrodes of adjacent light-emitting elements.

公开(公告)号：US10891900B2

公开(公告)日：2021-01-12

申请号：US16369740

申请日：2019-03-29

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Woong Kim ,  Seung Kyu Lee ,  Won Mi Hwang

IPC: G09G3/3258

Abstract: An emission driver according to example embodiments includes a plurality of stages each having an input block; an output block; a first signal processing block controlling a voltage of a first node; a second signal processing block controlling a voltage of a fourth node in response to the signal supplied to a third input terminal and a voltage of a fifth node; a third signal processing block controlling the voltage of the fourth node; a fourth signal processing block controlling the voltage of the third node; and a stabilization block electrically connected between the input block and the output block to limit a voltage drop between the first node and the third node. The stabilization block may limit a voltage drop between a second node and the fourth node by lowering a voltage of a second power source to the fifth node.

公开(公告)号：US10651264B2

公开(公告)日：2020-05-12

申请号：US15844645

申请日：2017-12-18

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Yong An ,  Yun Kyeong In ,  Jun Won Choi ,  Won Mi Hwang

IPC: H01L27/32 ,  H01L27/12

Abstract: A display device may includes: a substrate including a pixel area and a peripheral area; pixels provided in the pixel area of the substrate, each of the pixels including a light-emitting element provided with a pixel electrode; scan lines and data lines coupled to the pixels; a power line configured to supply driving power to the light-emitting elements, and extending in one direction; and an initialization power line configured to supply initialization power to the light-emitting elements. The power line and the initialization power line may be provided on different layers. The initialization power line may include: first conductive lines extending in a direction oblique to the scan lines and the data lines; and conductive lines intersecting the first conductive lines. The first and second conductive lines may be disposed in areas between the pixel electrodes of adjacent light-emitting elements.

公开(公告)号：US10269877B2

公开(公告)日：2019-04-23

申请号：US14869784

申请日：2015-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： Won Mi Hwang

IPC: H01L23/58 ,  H01L27/32 ,  G09G3/00 ,  H01L51/00 ,  G09G3/3233

Abstract: A display device is disclosed. In one aspect, a plurality of pixels are formed in a display area, and the pixels include a first pixel including a thin film transistor (TFT). The display device includes a test unit formed in a peripheral area surrounding the display area, and the test unit includes a test transistor configured to measure a characteristic of the TFT included in the first pixel. The display device also includes a first insulating layer formed over the test transistor and the display area, and a plurality of dummy contact holes are formed in the first insulating layer and the test unit.

公开(公告)号：US11741885B2

公开(公告)日：2023-08-29

申请号：US17586711

申请日：2022-01-27

Applicant: Samsung Display Co., LTD.

Inventor： Kyong Hwan Oh ,  Jin Tae Jeong ,  Ji Hyun Ka ,  Won Kyu Kwak ,  Hyung Jun Park ,  Chang Soo Pyon ,  Ji Eun Lee ,  Hai Jung In ,  Won Mi Hwang

IPC: G09G3/30 ,  G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0278 ,  G09G2330/028

Abstract: A display device includes a power supply to supply a first initialization power source to the pixels through a first initialization and to supply a second initialization power source to the pixels through a second power line.

公开(公告)号：US11049913B2

公开(公告)日：2021-06-29

申请号：US16421795

申请日：2019-05-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Won Choi ,  Won Mi Hwang ,  Jun Young Min ,  Kwang Chul Jung

IPC: H01L27/32 ,  H01L51/52 ,  G06F3/041 ,  G06F3/044 ,  H01L51/00

Abstract: A display device includes a substrate, a light emitting element located on the substrate, an encapsulation layer covering the light emitting element, a sensing electrode located on the encapsulation layer, a first sensing line including a first portion having a first thickness and a second portion having a second thickness, and a second sensing line extended from the sensing electrode. The second sensing line is in contact with the first portion of the first sensing line. The first thickness and the second thickness are substantially the same. The first portion is positioned higher than the second portion from the substrate.

公开(公告)号：US09941340B2

公开(公告)日：2018-04-10

申请号：US15019851

申请日：2016-02-09

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang Sae Lee ,  Mi Hae Kim ,  Ji Hye Kim ,  Won Mi Hwang

IPC: G09G3/30 ,  H01L27/32 ,  G09G3/10 ,  G09G3/3233

CPC classification number: H01L27/3262 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2320/045 ,  H01L27/3265 ,  H01L27/3272 ,  H01L27/3276

Abstract: An organic light-emitting diode display is disclosed. The display includes a scan line formed over a substrate and configured to carry a scan signal. First and second data lines are adjacent to each other and crossing the scan line. The first and second data lines are configured carry a data voltage. A driving voltage line crossing the scan line is configured to carry a driving voltage, and a switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode configured to output the data voltage. A driving transistor includes a driving gate electrode and a driving source electrode electrically connected to the switching drain electrode. An OLED is electrically connected to the driving drain electrode of the driving transistor, and a connector is connected to the driving gate electrode of the driving transistor and interposed between the first and second data lines.