公开(公告)号：US20230317767A1

公开(公告)日：2023-10-05

申请号：US18165808

申请日：2023-02-07

Applicant: Samsung Display Co., LTD.

Inventor： Ji Young LEE ,  Hae Ryeong PARK ,  Hyun Young CHOI

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/44

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/44

Abstract: A display device is provided. The display device includes pixels, electrodes in an emission area of the pixels, and spaced apart from each other, light emitting elements between the electrodes, connection electrodes on the light emitting elements, and including a first electrode portion, a second electrode portion, and a connection portion between the first electrode portion and the second electrode portion, and a bank pattern in a non-emission area, and overlapping the connection portion.

公开(公告)号：US20250054444A1

公开(公告)日：2025-02-13

申请号：US18794735

申请日：2024-08-05

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Young LEE ,  So Hae KIM ,  Hyun Young CHOI ,  Sang Gu LEE ,  Hyung Uk CHO

IPC: G09G3/3233 ,  G09G3/32 ,  G09G3/3266 ,  G09G3/3291

Abstract: A pixel according to embodiments of the present disclosure includes a first transistor having a gate electrode connected to a first node, a first electrode connected to a first power source line, and a second electrode connected to a second node; a second transistor connected between a data line and a third node and having a gate electrode electrically connected to a first scan line; a third transistor connected between the second node and the third node and having a gate electrode electrically connected to a second scan line; a first capacitor connected between the first node and the third node; and a light emitting element connected between the second node and a second power source line.

公开(公告)号：US20190198598A1

公开(公告)日：2019-06-27

申请号：US16175769

申请日：2018-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： Dong-Hyun LEE ,  Hyeon-Do PARK ,  Ha Gyeong SONG ,  Hyun Young CHOI

IPC: H01L27/32 ,  H01B7/28 ,  G09G3/3233 ,  G09G3/3258

Abstract: The present disclosure relates to a display device. The display device according to an exemplary embodiment includes a display area comprising a plurality of pixels, a peripheral area that is disposed outside the display area, and a wiring portion in the peripheral area. The wiring portion includes a plurality of signal lines that are adjacent to each other and are arranged along a first direction and each extends in a second direction that is different from the first direction. The plurality of signal lines are arranged in an order of average voltages of signals respectively transmitted by the plurality of signal lines during one frame.

公开(公告)号：US20170322468A1

公开(公告)日：2017-11-09

申请号：US15346424

申请日：2016-11-08

Applicant: Samsung Display Co. Ltd.

Inventor： Il Joo KIM ,  Cheol Gon LEE ,  Gun Woo YANG ,  Hyun Young CHOI ,  Tae Ho KANG ,  Chol Ho KIM ,  Hae Ryeong PARK ,  Dong Il YOO ,  Yong Woo LEE ,  Mee Hye JUNG ,  Joong Gun CHONG

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1333 ,  G02F1/1368

CPC classification number: G02F1/134336 ,  G02F1/133345 ,  G02F1/134309 ,  G02F1/136227 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/134345 ,  G02F2001/134354 ,  G02F2201/123 ,  G02F2201/40

Abstract: A liquid crystal display device includes a substrate, a first coupling electrode disposed on the substrate, a first insulating layer disposed on the first coupling electrode, a second coupling electrode disposed on the first insulating layer and capacitively coupled to the first coupling electrode, a second insulating layer disposed on the second coupling electrode, and a pixel electrode including first and second sub-pixel electrodes, which are disposed on the second insulating layer and are electrically insulated from each other, where the first sub-pixel electrode is electrically connected to the first coupling electrode via a first contact hole, which is defined in the first and second insulating layers, and the second sub-pixel electrode is electrically connected to the second coupling electrode via a second contact hole which is defined in the second insulating layer.

公开(公告)号：US20250054437A1

公开(公告)日：2025-02-13

申请号：US18789753

申请日：2024-07-31

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Young LEE ,  So Hae KIM ,  Ji Song CHAE ,  Sang Gu LEE ,  Yong Woo LEE ,  Hyung Uk CHO ,  Hyun Young CHOI

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

Abstract: A pixel according to embodiments of the present inventive concept includes a first transistor having a gate electrode connected to a first node; a light emitting element connected between the second electrode of the first transistor and a second power source line; a second transistor connected between the first node and a data line; a third transistor connected between the first electrode of the first transistor and a second node; a fourth transistor connected between the first power source line and the second node; and a first capacitor connected between the first node and the second node, and a reference power source and a voltage of a data signal are sequentially supplied to the data line during a horizontal period.

公开(公告)号：US20240386849A1

公开(公告)日：2024-11-21

申请号：US18541247

申请日：2023-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Gun Woo YANG ,  Hyun Young CHOI ,  Hae Ryeong PARK

IPC: G09G3/3233 ,  H01L27/12

Abstract: A pixel includes: a first transistor including a gate electrode connected to a first node, a first electrode connected to a first power line for receiving a first driving power voltage via a second node, and a second electrode connected to a third node; a light-emitting element including a first electrode connected to the third node, and a second electrode connected to a second power line; a second transistor connected between a data line and the second node, and including a gate electrode connected to a first scan line; and a third transistor connected between the first node and a third power line for receiving an initialization power voltage. The second transistor is set to a turn-on state during at least a portion of a turn-on period of the third transistor. The initialization power voltage is set to be lower than a data signal.

公开(公告)号：US20210335167A1

公开(公告)日：2021-10-28

申请号：US17197963

申请日：2021-03-10

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Young LEE ,  Yong Bin KIM ,  Gun Woo YANG ,  Hyun Young CHOI

IPC: G09G3/00 ,  G09G3/3266 ,  G09G3/3233

Abstract: A display device includes: a plurality of pixels connected to scan lines, emission control lines, data lines, and a power line; a scan driver configured to supply a scan signal to the scan lines; and an emission driver configured to supply an emission control signal to the emission control lines, wherein a voltage of a first power supplied to the power line during an inspection period has a pulse form alternating between a first level and a second level that is lower than the first level, and the display device is configured to maintain the voltage of the first power at a third level.