公开(公告)号：US11380266B2

公开(公告)日：2022-07-05

申请号：US17138762

申请日：2020-12-30

Applicant: Samsung Display Co., Ltd.

Inventor： Daeyoun Cho ,  Jiho Moon ,  Jongwoo Park ,  Youngtae Choi

IPC: G09G3/3266 ,  G09G3/3233

Abstract: A display device includes a light emitting diode including a first electrode and a second electrode, a first transistor connected between the first voltage line and the first electrode of the light emitting diode, a sixth transistor connected between the drain electrode of the first transistor and the first electrode of the light emitting diode, and a seventh transistor connected between the second voltage line and the first electrode of the light emitting diode and including a gate electrode for receiving an initialization scan signal, wherein an active period of the scan signal and an active period of the initialization scan signal are non-overlapping with each other and the active period of the initialization scan signal is longer than the active period of the scan signal.

公开(公告)号：US20220149322A1

公开(公告)日：2022-05-12

申请号：US17365909

申请日：2021-07-01

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojung Kim ,  Jungmin Park ,  Jongwoo Park ,  Daeyoun Cho ,  Junehwan Kim ,  Youngjoo Noh ,  Sora Bak ,  Youngtae Choi

IPC: H01L51/52 ,  H01L51/00 ,  H01L51/56

Abstract: A display apparatus includes a first substrate including a polymer resin, a protective layer on the first substrate, the protective layer including at least one selected from SiOCH, SiOC, SiOF, aromatic amine, diazonium tetrafluoroborate, and an aromatic diazonium compound, and a buffer layer on the protective layer, the buffer layer including a material different from a material included in the protective layer.

公开(公告)号：US20210335926A1

公开(公告)日：2021-10-28

申请号：US17140660

申请日：2021-01-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junehwan Kim ,  Taeyoung Kim ,  Jongwoo Park ,  Kiju Im ,  Hyuncheol Hwang

IPC: H01L27/32

Abstract: A display device having a thin-film transistor with increased mobility of electrons or holes includes a first semiconductor layer arranged on a substrate and including a first channel region, a first source region, and a first drain region; a first stressor arranged between the substrate and the first semiconductor layer and which overlaps the first source region in a plan view; a second stressor arranged between the substrate and the first semiconductor layer and which overlaps the first drain region in the plan view, where the second stressor is spaced apart from the first stressor; a gate insulating layer arranged on the first semiconductor layer; and a first gate electrode arranged on the gate insulating layer and which overlaps the first semiconductor layer in the plan view.

公开(公告)号：US11087653B2

公开(公告)日：2021-08-10

申请号：US16522279

申请日：2019-07-25

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Youn Cho ,  Hyunho Kim ,  Hyojung Kim ,  Young-Joo Noh ,  Jongwoo Park ,  Ju Hee Lee ,  Jinwoo Chae ,  Youngtae Choi

IPC: G09G3/00 ,  G01R31/26 ,  G09G3/20 ,  G09G3/3225

Abstract: An inspection system for a display cell having a display part and a plurality of data lines connected to first and second pixel units of the display part. An array test part and a lighting test part are located in a peripheral area around the display part. An inspection apparatus is configured to provide the array test part with an array control signal to block an array data signal from being applied to a plurality of data lines in a period in which a white image is displayed and to provide the lighting test part with a lighting control signal to block a lighting data signal from being applied to a plurality of data lines during a period in which a black image is displayed, during a drive reliability test mode for displaying a test image including the black image and the white image.

公开(公告)号：US10573702B2

公开(公告)日：2020-02-25

申请号：US16006235

申请日：2018-06-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jongwon Lee ,  Jongwoo Park ,  Donggi Ahn

IPC: H01L21/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  G02B5/23

Abstract: An organic light emitting display device may include a substrate including a display area and a non-display area; a thin film transistor on the substrate in the display area; a planarization layer covering the thin film transistor; a first electrode on the planarization layer in the display area and connected to the thin film transistor; a pixel defining layer covering the first electrode and including a first opening that exposes a portion of the first electrode to define an emission area; a first light blocking layer on the pixel defining layer and including a photochromic material, a color of the first light blocking layer being reversibly changed by ultraviolet light; an organic light emitting layer on the first electrode; and a second electrode on the organic light emitting layer.

公开(公告)号：US20180173349A1

公开(公告)日：2018-06-21

申请号：US15843775

申请日：2017-12-15

Applicant: Samsung Display Co., Ltd.

Inventor： Daeyoun Cho ,  Cheolkyu Kim ,  Hyojung Kim ,  Jongwoo Park ,  Youngsun Hwang

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/00 ,  G06F3/042 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G02F2203/01 ,  G02F2203/09 ,  G06F3/042 ,  G06F2203/04804 ,  G06K9/0004 ,  H01L27/14678 ,  H01L27/323 ,  H01L27/3234 ,  H01L27/3269 ,  H01L51/0097 ,  H01L2251/5338

Abstract: A display panel includes a base layer, a circuit layer, and a pixel layer. The base layer includes a plurality of light emitting areas, and a plurality of transmitting areas to transmit light incident thereto. The circuit layer includes a plurality of switching devices disposed on the light emitting areas, and a plurality of photosensors disposed on the transmitting areas. The pixel layer includes a light emitting element to emit light based on reception of a current from at least one of the plurality of switching devices. The light emitting element overlaps with one of the plurality of light emitting areas. At least one of the plurality of phototosensors is configured to receive a portion of external light reflected from an external object after transmission of the external light through at least one of the plurality of transmitting areas.

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：US12016203B2

公开(公告)日：2024-06-18

申请号：US17140660

申请日：2021-01-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junehwan Kim ,  Taeyoung Kim ,  Jongwoo Park ,  Kiju Im ,  Hyuncheol Hwang

IPC: H10K59/12 ,  G09G3/3233 ,  H01L29/10 ,  H01L29/66 ,  H01L29/78 ,  H01L29/786 ,  H10K10/46 ,  H10K59/121 ,  H10K59/35 ,  H10K77/10 ,  H10K102/00

CPC classification number: H10K59/12 ,  G09G3/3233 ,  G09G2320/0233 ,  H01L29/1054 ,  H01L29/66757 ,  H01L29/7842 ,  H01L29/78666 ,  H01L29/78675 ,  H01L2924/13069 ,  H10K10/464 ,  H10K59/1213 ,  H10K59/35 ,  H10K77/111 ,  H10K2102/311

Abstract: A display device having a thin-film transistor with increased mobility of electrons or holes includes a first semiconductor layer arranged on a substrate and including a first channel region, a first source region, and a first drain region; a first stressor arranged between the substrate and the first semiconductor layer and which overlaps the first source region in a plan view; a second stressor arranged between the substrate and the first semiconductor layer and which overlaps the first drain region in the plan view, where the second stressor is spaced apart from the first stressor; a gate insulating layer arranged on the first semiconductor layer; and a first gate electrode arranged on the gate insulating layer and which overlaps the first semiconductor layer in the plan view.

公开(公告)号：US11925053B2

公开(公告)日：2024-03-05

申请号：US17365909

申请日：2021-07-01

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojung Kim ,  Jungmin Park ,  Jongwoo Park ,  Daeyoun Cho ,  Junehwan Kim ,  Youngjoo Noh ,  Sora Bak ,  Youngtae Choi

IPC: H10K50/844 ,  H10K59/12 ,  H10K71/00 ,  H10K77/10

CPC classification number: H10K50/844 ,  H10K71/00 ,  H10K77/111 ,  H10K59/12 ,  H10K59/1201

Abstract: A display apparatus includes a first substrate including a polymer resin, a protective layer on the first substrate, the protective layer including at least one selected from SiOCH, SiOC, SiOF, aromatic amine, diazonium tetrafluoroborate, and an aromatic diazonium compound, and a buffer layer on the protective layer, the buffer layer including a material different from a material included in the protective layer.

公开(公告)号：US20230230545A1

公开(公告)日：2023-07-20

申请号：US18094926

申请日：2023-01-09

Applicant: Samsung Display Co., Ltd.

Inventor： Junehwan Kim ,  Yoonho Kim ,  Taeyoung Kim ,  Jongwoo Park ,  Daeyoun Cho

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2300/0861 ,  G09G2320/0626 ,  G09G2310/0262

Abstract: A pixel includes: a first driving transistor and a second driving transistor; a first select transistor connected between a gate of the first driving transistor and a gate node; and a second select transistor connected between a gate of the second driving transistor and the gate node.