公开(公告)号：US11538879B2

公开(公告)日：2022-12-27

申请号：US16952787

申请日：2020-11-19

Applicant: Samsung Display Co., LTD.

Inventor： June Hwan Kim ,  Tae Young Kim ,  Jong Woo Park ,  Ki Ju Im ,  Ji Ho Moon ,  Hyun Cheol Hwang

IPC: H01L29/08 ,  H01L27/32 ,  G09G3/3233 ,  H01L51/56 ,  H01L29/66 ,  H01L27/12 ,  H01L29/786

Abstract: A display device includes an organic light emitting diode, a first transistor driving the organic light emitting diode, a second transistor transmitting a data signal to the first transistor, a third transistor transmitting a first power voltage to the first transistor, wherein a semiconductor pattern of the first transistor is disposed over a semiconductor pattern of the second transistor, a semiconductor pattern of the third transistor is disposed over the semiconductor pattern of the first transistor, a lower transistor insulating film is disposed between the semiconductor pattern of the first transistor and the semiconductor pattern of the second transistor, and an upper transistor insulating film is disposed between the semiconductor pattern of the first transistor and the semiconductor pattern of the third transistor.

公开(公告)号：US11922841B2

公开(公告)日：2024-03-05

申请号：US17950174

申请日：2022-09-22

Applicant: Samsung Display Co., Ltd.

Inventor： Yoon Ho Kim ,  Jong Woo Park ,  June Hwan Kim ,  Ki Ju Im ,  Young Tae Choi ,  Hyuncheol Hwang

IPC: G09G3/00 ,  H01L27/12

CPC classification number: G09G3/006 ,  H01L27/124 ,  G09G2300/0426 ,  G09G2330/12

Abstract: The present disclosure relates to a display device, and the display device according to an embodiment includes: a substrate including a display area and a peripheral area; a plurality of light-emitting elements positioned in a display area; a plurality of pixel circuits connected to a plurality of light-emitting elements, respectively; a sensor positioned on the peripheral area of the substrate; a leakage current detecting circuit connected to the sensor; and a light emitting wiring connected to the leakage current detecting circuit and connected to at least one of the plurality of light-emitting elements, wherein the sensor includes a first sensor and the first sensor includes a first sensing transistor, and a first conductive pattern spaced apart from the channel of the first sensing transistor, and the first conductive pattern is positioned in the same layer as at least one of a plurality of layers configuring the transistor.

公开(公告)号：US11848330B2

公开(公告)日：2023-12-19

申请号：US16875770

申请日：2020-05-15

Applicant: Samsung Display Co., Ltd.

Inventor： June Hwan Kim ,  Tae Young Kim ,  Jong Woo Park ,  Young Tae Choi ,  Hyun Cheol Hwang ,  Ki Ju Im

IPC: H01L27/12 ,  H01L29/786 ,  H10K59/121

CPC classification number: H01L27/1237 ,  H01L27/1218 ,  H01L27/1255 ,  H01L29/7869 ,  H01L29/78675 ,  H10K59/1213 ,  H10K59/1216

Abstract: A display device is provided. The display device comprises a substrate, a first buffer layer on the substrate, a first semiconductor layer on the first buffer layer and including a first active layer, a first gate insulating layer on the first semiconductor layer and the first buffer layer and covering the first active layer, a first conductive layer on the first gate insulating layer and including a first gate electrode, a second conductive layer on the first conductive layer and including a first source/drain electrode, a first interlayer insulating layer on the first conductive layer, a second semiconductor layer on the first interlayer insulating layer and including a second active layer, a second gate insulating layer on the second semiconductor layer and covering the second active layer, and a third conductive layer on the second gate insulating layer and including a second gate electrode and a second source/drain electrode, wherein the first gate insulating layer and the second gate insulating layer include different insulating materials.

公开(公告)号：US20220157924A1

公开(公告)日：2022-05-19

申请号：US17397916

申请日：2021-08-09

Applicant: Samsung Display Co., Ltd.

Inventor： June Hwan Kim ,  Yoonho Kim ,  Tae Young Kim ,  Jongwoo Park

IPC: H01L27/32

Abstract: A display device may include a driving transistor disposed in a display area, a test transistor disposed in a peripheral area adjacent to the display area, and a resistance line disposed in the peripheral area, electrically connected to the test transistor and including a metal oxide.

公开(公告)号：US12082443B2

公开(公告)日：2024-09-03

申请号：US18085076

申请日：2022-12-20

Applicant: Samsung Display Co., LTD.

Inventor： June Hwan Kim ,  Tae Young Kim ,  Jong Woo Park ,  Ki Ju Im ,  Ji Ho Moon ,  Hyun Cheol Hwang

IPC: H01L29/08 ,  G09G3/3233 ,  H10K59/121 ,  H10K59/131 ,  H10K71/00 ,  H01L27/12 ,  H01L29/66 ,  H01L29/786 ,  H10K59/12

CPC classification number: H10K59/1213 ,  G09G3/3233 ,  H10K59/1216 ,  H10K59/131 ,  H10K71/00 ,  G09G2300/0809 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1255 ,  H01L27/127 ,  H01L29/66757 ,  H01L29/78675 ,  H10K59/1201

Abstract: A display device includes an organic light emitting diode, a first transistor driving the organic light emitting diode, a second transistor transmitting a data signal to the first transistor, a third transistor transmitting a first power voltage to the first transistor, wherein a semiconductor pattern of the first transistor is disposed over a semiconductor pattern of the second transistor, a semiconductor pattern of the third transistor is disposed over the semiconductor pattern of the first transistor, a lower transistor insulating film is disposed between the semiconductor pattern of the first transistor and the semiconductor pattern of the second transistor, and an upper transistor insulating film is disposed between the semiconductor pattern of the first transistor and the semiconductor pattern of the third transistor.

公开(公告)号：US12052898B2

公开(公告)日：2024-07-30

申请号：US17397916

申请日：2021-08-09

Applicant: Samsung Display Co., Ltd.

Inventor： June Hwan Kim ,  Yoonho Kim ,  Tae Young Kim ,  Jongwoo Park

IPC: H10K59/131 ,  H10K59/12

CPC classification number: H10K59/1315 ,  H10K59/1201

Abstract: A display device may include a driving transistor disposed in a display area, a test transistor disposed in a peripheral area adjacent to the display area, and a resistance line disposed in the peripheral area, electrically connected to the test transistor and including a metal oxide.

公开(公告)号：US10573267B2

公开(公告)日：2020-02-25

申请号：US15791737

申请日：2017-10-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： June Hwan Kim ,  Hyo Jung Kim

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

Abstract: A scan driver includes a plurality of clock lines which receive clock signals in different phases, a plurality of stages connected with at least one of the plurality of clock lines, an initialization line which receives an initialization pulse, a first control transistor, which is connected between the initialization line and each of the plurality of clock lines, and which is turned on when the initialization pulse is supplied, and a second control transistor, which is connected between the initialization line and each of the plurality of stages, and which is turned on when the initialization pulse is supplied.

公开(公告)号：US12159011B2

公开(公告)日：2024-12-03

申请号：US18104314

申请日：2023-02-01

Applicant: Samsung Display Co., Ltd.

Inventor： Yoon Ho Kim ,  June Hwan Kim ,  Jong Woo Park ,  Chaekyung Jung

IPC: G06F3/044 ,  G06F3/041

Abstract: Provided is a display device comprising a display area including a plurality of pixels and a pad area disposed outside the display area, wherein the pad area includes a plurality of pads, and anchor structures positioned between two adjacent pads among the plurality of pads, the pad area includes a substrate, and at least one insulation layer that is positioned on the substrate and includes a first opening positioned between the two adjacent pads when viewed on the cross-section, and the anchor structure includes a first insulation layer that is positioned in the first opening, and does not overlap the pad.

公开(公告)号：US10971560B2

公开(公告)日：2021-04-06

申请号：US16404021

申请日：2019-05-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyo Jung Kim ,  June Hwan Kim ,  Jong Woo Park ,  Dae Guen Choi ,  Jae Sik Son ,  Young Tae Choi

IPC: H01L27/32 ,  H05K1/18 ,  G09G3/00

Abstract: Disclosed herein are a display device, an apparatus for testing a display device, and a method for testing a display device. A display device includes a first substrate having a display area and a non-display area defined thereon, the non-display area being on an outer side of the display area. The non-display area may include a plurality of test pads and a first dummy thin-film transistor electrically connected to the test pads. The first dummy thin-film transistor includes a dummy gate electrode, and a dummy source electrode and a dummy drain electrode insulated from the gate electrode and spaced apart from each other. A bending area is defined on the first substrate that at least partially traverses the display area and the non-display area, the bending area overlaps the first dummy thin-film transistor.

公开(公告)号：US10804329B2

公开(公告)日：2020-10-13

申请号：US16287389

申请日：2019-02-27

Applicant: Samsung Display Co., Ltd.

Inventor： June Hwan Kim ,  Tae Young Kim ,  Hyo Jung Kim

IPC: G09G3/3225 ,  H01L27/32

Abstract: A display device may include a first pixel including a first transistor, and a first light emitting element on and electrically connected to the first transistor, a second pixel adjacent the first pixel, the second pixel including a second transistor, and a second light emitting element on and electrically connected to the second transistor, and a reflective member at a layer that is above the first pixel and the second pixel, the reflective member being configured to reflect a light emitted from the second light emitting element to the first transistor.