公开(公告)号：US11127766B2

公开(公告)日：2021-09-21

申请号：US16882926

申请日：2020-05-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yoon-jong Cho ,  Seokje Seong ,  Seongjun Lee ,  Yoonjee Shin ,  Suyeon Yun ,  Wooho Jeong ,  Joonhoo Choi

IPC: H01L51/50 ,  H01L27/12 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  H01L51/56 ,  H01L51/00 ,  H01L51/52

Abstract: A display panel includes a base layer including a first area and a second area. At least one inorganic layer disposed on the base layer overlaps the first area and the second area. The at least one inorganic layer comprises a lower opening. A first thin-film transistor is disposed on the at least one inorganic layer. The first thin-film transistor includes a silicon semiconductor pattern. A second thin-film transistor is disposed on the at least one inorganic layer. The second thin-film transistor includes an oxide semiconductor pattern. A plurality of insulation layers overlap the first area and the second area. An upper opening extends from the lower opening. A signal line is electrically connected to the second thin-film transistor. An organic layer is disposed in the lower opening and the upper opening. A light emitting element is disposed on the organic layer.

公开(公告)号：US10797123B2

公开(公告)日：2020-10-06

申请号：US16115730

申请日：2018-08-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yoon-Jong Cho ,  Suyeon Yun ,  Seokje Seong ,  Seongjun Lee ,  Joonhoo Choi ,  Semyung Kwon ,  Kyunghyun Baek

IPC: H01L51/52 ,  H01L27/32 ,  H01L27/12 ,  G09G3/3225

Abstract: A display panel includes a base layer having a first region and a bent second region. An inorganic layer is disposed on the base layer. A lower opening is formed within the inorganic layer and overlaps the second region. A first thin-film transistor is disposed on the inorganic layer and includes a silicon semiconductor pattern overlapping the first region. A second thin-film transistor is disposed on the inorganic layer and includes an oxide semiconductor pattern overlapping the first region. Insulating layers overlap the first and second regions. An upper opening is formed within the insulating layers. A signal line electrically connects the second thin-film transistor. An organic layer overlaps the first and second regions and is disposed in the lower and upper openings. A luminescent device is disposed on the organic layer and overlaps the first region.

公开(公告)号：US12217640B2

公开(公告)日：2025-02-04

申请号：US17648959

申请日：2022-01-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jinsung An ,  Sungho Kim ,  Seokje Seong ,  Minwoo Woo ,  Seunghyun Lee ,  Wangwoo Lee ,  Jiseon Lee

IPC: G09G3/00 ,  H10K59/121 ,  H10K59/131 ,  H10K59/40 ,  H10K59/12

Abstract: A display panel includes a plurality of first pixels on a first region, a plurality of second pixels on a second region, and a test circuit. The second region has a transmittance less than a transmittance of the first region. The test circuit provides one or more test voltages to the first pixels and the second pixels. The test circuit includes a first test circuit and a second test circuit. The first test circuit provides the first pixels with a first voltage, and the second test circuit provides the second pixels with a second voltage different from the first voltage.

公开(公告)号：US12213359B2

公开(公告)日：2025-01-28

申请号：US18226229

申请日：2023-07-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung-Hwan Cho ,  Wonsuk Choi ,  Tetsuhiro Tanaka ,  Jiryun Park ,  Seokje Seong ,  Seungwoo Sung ,  Jiseon Lee

IPC: H10K59/131 ,  H10K59/121

Abstract: A display device includes a first active pattern disposed on a substrate, a first gate electrode disposed on the first active pattern, a second active pattern disposed on the first gate electrode, being electrically connected to the first gate electrode, and including an extension part extending in a first direction and a protrusion part protruding from the extension part in a second direction crossing the first direction, and a voltage line disposed on the second active pattern, extending in the first direction, and overlapping the protrusion part in an overlapping region. The voltage line contacts the protrusion part through a first contact, and the first contact entirely overlaps the overlapping region on a plane.

公开(公告)号：US12178081B2

公开(公告)日：2024-12-24

申请号：US18206011

申请日：2023-06-05

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonwoo Shin ,  Seokje Seong ,  Yunsik Joo

IPC: G09G3/3233 ,  H10K59/121 ,  H10K59/131 ,  H01L27/12 ,  H01L29/786

Abstract: A display device is disclosed that may include a first active layer disposed on a substrate, a scan line disposed on the first active layer, extending in a first direction and including a first protruding portion protruding in a second direction crossing the first direction, a first compensation control line disposed on the first active layer, extending in the first direction and spaced apart from the scan line in the second direction, and a second active layer disposed on the scan line and the first compensation control line, overlapping the scan line and the first compensation control line and including a second protruding portion protruding in the first direction. The first protruding portion may be positioned outside the second active layer in the first direction in a plan view.

公开(公告)号：US12167641B2

公开(公告)日：2024-12-10

申请号：US18096623

申请日：2023-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Sewan Son ,  Moosoon Ko ,  Seokje Seong ,  Seongjun Lee ,  Jeongsoo Lee ,  Jiseon Lee ,  Changho Yi ,  Hyeri Cho

IPC: H10K59/12 ,  H10K59/121 ,  H10K59/126 ,  H10K59/131 ,  G09G3/3258 ,  H01L27/12 ,  H10K59/124

Abstract: A display panel includes a substrate, a first thin film transistor including a first semiconductor layer and a first gate electrode, a data line extending in a first direction, a scan line extending in a second direction, a second thin film transistor electrically connected to the data line and including a second semiconductor layer and a second gate electrode, a third thin film transistor including a third semiconductor layer and a first upper gate electrode arranged on the third semiconductor layer, a node connection line electrically connecting the first thin film transistor and the third thin film transistor, and a shield line located between the data line and the node connection line in a plan view and including the same material as the first upper gate electrode of the third thin film transistor. The first semiconductor layer includes a silicon semiconductor, and the third semiconductor layer includes an oxide semiconductor.

公开(公告)号：US12136631B2

公开(公告)日：2024-11-05

申请号：US18514930

申请日：2023-11-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yoon-Jong Cho ,  Seokje Seong ,  Seongjun Lee ,  Yoonjee Shin ,  Suyeon Yun ,  Wooho Jeong ,  Joonhoo Choi

IPC: H01L27/12 ,  G09G3/3266 ,  G09G3/3275 ,  H10K50/11 ,  H10K50/844 ,  H10K59/126 ,  H10K59/131 ,  H10K71/00 ,  H10K77/10 ,  H10K102/00

Abstract: A display panel includes a base layer including a first area and a second area. At least one inorganic layer disposed on the base layer overlaps the first area and the second area. The at least one inorganic layer comprises a lower opening. A first thin-film transistor is disposed on the at least one inorganic layer. The first thin-film transistor includes a silicon semiconductor pattern. A second thin-film transistor is disposed on the at least one inorganic layer. The second thin-film transistor includes an oxide semiconductor pattern. A plurality of insulation layers overlap the first area and the second area. An upper opening extends from the lower opening. A signal line is electrically connected to the second thin-film transistor. An organic layer is disposed in the lower opening and the upper opening. A light emitting element is disposed on the organic layer.

公开(公告)号：US12057066B2

公开(公告)日：2024-08-06

申请号：US17581975

申请日：2022-01-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jinsung An ,  Sungho Kim ,  Seokje Seong ,  Minwoo Woo ,  Wangwoo Lee ,  Jiseon Lee

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G3/3266 ,  G09G3/3283 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2340/0407

Abstract: A display apparatus that prevents visual recognition of flickering in each of display areas having different resolutions includes a first pixel circuit, a first display element, a second pixel circuit, and a second display element. The first pixel circuit includes: a first driving transistor configured to control a first current that flows to the first display element; and a first initializing transistor configured to apply a first initializing voltage to a gate of the first driving transistor in response to a first scan signal. The second pixel circuit includes: a second driving transistor configured to control a second current that flows to the second display element; and a second initializing transistor configured to apply a second initializing voltage having a level different from a level of the first initializing voltage to a gate of the second driving transistor in response to the first scan signal.

公开(公告)号：US11997895B2

公开(公告)日：2024-05-28

申请号：US17381579

申请日：2021-07-21

Applicant: Samsung Display Co., Ltd.

Inventor： Changho Yi ,  Sungho Kim ,  Seokje Seong ,  Yoon-Jong Cho ,  Hyeri Cho

IPC: H10K59/131 ,  G02F1/1343 ,  G02F1/1345 ,  G02F1/135 ,  H10K59/12 ,  H10K59/121

CPC classification number: H10K59/131 ,  G02F1/1343 ,  G02F1/134309 ,  G02F1/1345 ,  G02F1/13452 ,  G02F1/13458 ,  G02F1/1357 ,  H10K59/1213 ,  H10K59/1201

Abstract: A display device includes a substrate, a first lower pattern disposed on the substrate, a second lower pattern disposed in a same layer as the first lower pattern and integrally formed with the first lower pattern, an etch stopper disposed on the second lower pattern, a power voltage line disposed on the first lower pattern, and a transfer pattern disposed on the etch stopper, connected to the power voltage line, and contacting the second lower pattern through a contact hole defined through the etch stopper.

公开(公告)号：US11749178B2

公开(公告)日：2023-09-05

申请号：US17548870

申请日：2021-12-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jinsung An ,  Sungho Kim ,  Seokje Seong ,  Minwoo Woo ,  Wangwoo Lee ,  Jiseon Lee

IPC: G09G3/32 ,  G09G3/00

CPC classification number: G09G3/32 ,  G09G3/006 ,  G09G2300/0439 ,  G09G2310/08 ,  G09G2330/12 ,  G09G2340/0435

Abstract: A display device that includes: a display panel including a plurality of pixels respectively connected to a corresponding data line of a plurality of data lines and a corresponding scan line of a plurality of scan lines; and a test circuit connected to the data lines, and wherein the display panel includes a first area having a first light transmittance and a second area having a second light transmittance, wherein the pixels include a first pixel in the first area and a second pixel in the second area, wherein the test circuit provides a first test data signal to a data line connected to the first pixel, and provides a second test data signal to a data line connected to the second pixel, and wherein a voltage level of the first test data signal is different from a voltage level of the second test data signal.