公开(公告)号：US20150236161A1

公开(公告)日：2015-08-20

申请号：US14459949

申请日：2014-08-14

Applicant: Samsung Display Co., Ltd.

Inventor： Noboru Takeuchi ,  Kwi Hyun Kim ,  Seung Soo Baek ,  Si Hyun Ahn

IPC: H01L29/786 ,  H01L23/00

CPC classification number: H01L29/7869 ,  H01L29/78648 ,  H01L29/78696

Abstract: A thin film transistor includes: a gate electrode; a source electrode; a drain electrode facing the source electrode; an oxide semiconductor layer disposed between the gate electrode and the source electrode or between the gate electrode and the drain electrode; and a gate insulating layer disposed between the gate electrode and the source electrode or between the gate electrode and the drain electrode, wherein when a signal applied to the gate electrode is a turnoff signal, a voltage applied to the gate electrode has a negative value.

Abstract translation: 薄膜晶体管包括：栅电极; 源电极; 面向源电极的漏电极; 设置在所述栅电极和所述源电极之间或所述栅电极与所述漏电极之间的氧化物半导体层; 以及栅极绝缘层，其设置在所述栅极电极和所述源极电极之间，或者所述栅极电极与所述漏极电极之间，其中，当施加到所述栅电极的信号为截止信号时，施加到所述栅电极的电压为负值。

公开(公告)号：US11823622B2

公开(公告)日：2023-11-21

申请号：US17519908

申请日：2021-11-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hwa Rang Lee ,  Kwi Hyun Kim ,  Sang Yong No ,  Ji Yeon Choi

IPC: G09G3/3233 ,  H01L27/15 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G3/2007 ,  H01L27/156 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0242

Abstract: Provided herein may be a pixel. The pixel may include a driving transistor including a gate electrode coupled to a first node, a first electrode coupled to a first power line, and a second electrode coupled to a second node, a control transistor including a gate electrode coupled to the first node, a first electrode coupled to the second node, and a second electrode that is different from the first electrode, a first emission unit including at least one light-emitting element coupled between the second electrode of the control transistor and a second power line, and a second emission unit including at least one light-emitting element coupled between the second node and the second power line, wherein the second electrode of the control transistor is coupled to a first electrode of the first emission unit.

公开(公告)号：US12243488B2

公开(公告)日：2025-03-04

申请号：US18490420

申请日：2023-10-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Woo Kim ,  Kwi Hyun Kim ,  Yeon Kyung Kim

IPC: G09G3/3258 ,  G09G3/32 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel includes a light emitting element, a first transistor including an electrode connected to a first power source line via a first node, another electrode connected to a second power source line via a second node and the light emitting element, and another electrode connected to a third node. The pixel further includes a second transistor connected between a data line and the second node and having a gate electrode connected to a scan line, a third transistor connected between the first node and the third node and having a gate electrode connected to the scan line, a fourth transistor connected between the first power source line and the first node and having a gate electrode connected to an emission control line, a first capacitor connected between the second node and the third node, and a second capacitor connected between a third power source line and the third node.

公开(公告)号：US12243471B2

公开(公告)日：2025-03-04

申请号：US17870319

申请日：2022-07-21

Applicant: Samsung Display Co., LTD.

Inventor： Sang Yong No ,  Hwa Rang Lee ,  Kwi Hyun Kim ,  Ji Yeon Choi

IPC: G09G3/32 ,  G09G3/3258 ,  H01L25/075 ,  H01L27/12 ,  H01L27/15 ,  H01L33/48

Abstract: A display device includes: a display area and a non-display area; a first pixel area and a second pixel area, each provided in the display area; scan lines extending in a first direction and disposed in the first pixel area and the second pixel area; first sub-scan lines extending in a second direction and disposed in the first pixel area, the second direction intersecting the first direction; second sub-scan lines extending in the second direction and disposed in the first pixel area and the second pixel area; and a pad part provided in the non-display area, the pad part being electrically connected to the first sub-scan lines and the second sub-scan lines. The scan lines are electrically connected to at least one of the first sub-scan lines and the second sub-scan lines. The first sub-scan lines do not overlap the second pixel area in a plan view.

公开(公告)号：US11637170B2

公开(公告)日：2023-04-25

申请号：US17445266

申请日：2021-08-17

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Yong No ,  Tae Ho Kang ,  Kwi Hyun Kim ,  Hwa Rang Lee ,  Ji Yeon Choi

IPC: H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3225

Abstract: A display device, includes: pixels at a display area; gate lines at the display area, and connected to the pixels; carry clock lines and scan clock lines at the display area; and a gate driving circuit distributedly located at the display area, and connected to the carry clock lines, the scan clock lines, and the gate lines. The gate driving circuit includes a plurality of stages, each of the stages to output, as a carry signal, a carry clock signal supplied through a corresponding carry clock line from among the carry clock lines, and to output, as a scan signal, a scan clock signal supplied through a corresponding scan clock line from among the scan clock lines. The corresponding carry clock line and the corresponding scan clock line corresponding to one stage from among the stages are spaced from each other with at least one of the pixels interposed therebetween.

公开(公告)号：US09786237B2

公开(公告)日：2017-10-10

申请号：US14550556

申请日：2014-11-21

Applicant: Samsung Display Co., Ltd.

Inventor： Kwi Hyun Kim ,  Jae-Yong Shin ,  Jae-Ho Choi

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

CPC classification number: G09G3/3648 ,  G02F1/136213 ,  G02F2001/134345 ,  G09G2300/0447

Abstract: A liquid crystal display includes: a substrate; a gate line disposed on the substrate; a storage voltage line disposed on the substrate and extending substantially parallel to the gate line; a data line disposed on the substrate; a reference voltage line disposed on the substrate and extending substantially parallel to the data line; first and second subpixel electrodes disposed in a pixel area; a first switching element connected to the gate line, the data line, and the first subpixel electrode; a second switching element connected to the gate line, the data line, and the second subpixel electrode; and a third switching element connected to the second subpixel electrode and the reference voltage line, wherein the storage voltage line and the reference voltage line are not connected to each other.

公开(公告)号：US09484466B2

公开(公告)日：2016-11-01

申请号：US14459949

申请日：2014-08-14

Applicant: Samsung Display Co., Ltd.

Inventor： Noboru Takeuchi ,  Kwi Hyun Kim ,  Seung Soo Baek ,  Si Hyun Ahn

IPC: H01L29/786

CPC classification number: H01L29/7869 ,  H01L29/78648 ,  H01L29/78696

Abstract: A thin film transistor includes: a gate electrode; a source electrode; a drain electrode facing the source electrode; an oxide semiconductor layer disposed between the gate electrode and the source electrode or between the gate electrode and the drain electrode; and a gate insulating layer disposed between the gate electrode and the source electrode or between the gate electrode and the drain electrode, wherein when a signal applied to the gate electrode is a turnoff signal, a voltage applied to the gate electrode has a negative value.

Abstract translation: 薄膜晶体管包括：栅电极; 源电极; 面向源电极的漏电极; 设置在所述栅电极和所述源电极之间或所述栅电极与所述漏电极之间的氧化物半导体层; 以及栅极绝缘层，其设置在所述栅极电极和所述源极电极之间，或者所述栅极电极与所述漏极电极之间，其中，当施加到所述栅电极的信号为截止信号时，施加到所述栅电极的电压为负值。

公开(公告)号：US11762251B2

公开(公告)日：2023-09-19

申请号：US17543725

申请日：2021-12-06

Applicant: Samsung Display Co., Ltd.

Inventor： Gwon-Heon Ryu ,  Kwi Hyun Kim ,  Kook Hyun Choi ,  Woo Gun Kang ,  Kyung Won Park ,  Jin Su Lee

IPC: G02F1/1362

CPC classification number: G02F1/136286 ,  G02F1/136213 ,  G02F1/136227 ,  G02F2201/123

Abstract: A display device according to an embodiment of the present inventive concept includes: a substrate including a first region and a second region; and a plurality of pixels disposed on the substrate, wherein the plurality of pixels each include a first data line and a second data line overlapping a pixel electrode, a first capacitance between the first data line and the pixel electrode is smaller than a second capacitance between the second data line and the pixel electrode in a pixel disposed in the first region, and the first capacitance between the first data line and the pixel electrode is larger than the second capacitance between the second data line and a pixel electrode in the pixel disposed in the second region.

公开(公告)号：US11468817B1

公开(公告)日：2022-10-11

申请号：US17545449

申请日：2021-12-08

Applicant: Samsung Display Co., LTD.

Inventor： Kwi Hyun Kim ,  Sang Yong No ,  Hwa Rang Lee ,  Ji Yeon Choi

IPC: G09G3/32 ,  G09G3/20 ,  H01L25/16 ,  H01L27/12

Abstract: A display device includes a data driver that outputs a first data signal and a second data signal of different voltages, and a pixel that emits light in response to the first data signal and the second data signal. The pixel includes a current generator generating a driving current corresponding to the first data signal, a first light emitting part including a first electrode, a second electrode, and a first light emitting element, a second light emitting part including a third electrode, a fourth electrode connected, and a second light emitting element, and a current controller controlling a divided current supplied to the second light emitting part in response to the second data signal.

公开(公告)号：US10909939B2

公开(公告)日：2021-02-02

申请号：US16585536

申请日：2019-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Kwi Hyun Kim ,  Kook Hyun Choi ,  Kyungwon Park ,  Hyeong Jun Jin ,  Chang-Yong Hong

IPC: G09G3/36

Abstract: A display device includes a display panel including first color pixels in a first pixel column, second color pixels in a second pixel column, third color pixels in a third pixel column, a first data line connected to the second color pixels in first through N-th pixel rows and connected to the first color pixels in (N+1)-th through 2N-th pixel rows, and a second data line connected to the third color pixels in the first through N-th pixel rows and connected to the second color pixels in the (N+1)-th through 2N-th pixel rows, where N is an integer greater than 1, and a data driver which applies a first polarity data voltage to the first data line, and applies a second polarity data voltage to the second data line.