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公开(公告)号:US11922886B2
公开(公告)日:2024-03-05
申请号:US18137348
申请日:2023-04-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Haijung In , Wonkyu Kwak , Kimyeong Eom
IPC: G09G3/3266
CPC classification number: G09G3/3266
Abstract: According to an embodiment, a scan driver includes a plurality of stages. An output controller of each of the stages includes a pull-down transistor, and the pull-down transistor includes a first gate and a second gate, where the first gate is electrically connected to a third control node or a node electrically connected to the third control node, and the second gate is connected to a third voltage input terminal to which a third voltage of a second voltage level is applied.
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公开(公告)号:US20230422559A1
公开(公告)日:2023-12-28
申请号:US18320069
申请日:2023-05-18
Applicant: Samsung Display Co., Ltd.
Inventor: Kwangmin Kim , Wonkyu Kwak , Kiwook Kim , Doyeon Hwang
IPC: H10K59/122 , H10K59/131
CPC classification number: H10K59/122 , H10K59/1315
Abstract: A display apparatus includes: a first pixel electrode and a second pixel electrode spaced apart from each other on a substrate; a pixel defining layer having a first opening exposing a central portion of the first pixel electrode and a second opening exposing a central portion of the second pixel electrode; a separator above the pixel defining layer and, in a plan view, between the first opening and the second opening; a connection electrode between the pixel defining layer and the separator; a first intermediate layer on the first pixel electrode; a second intermediate layer on the second pixel electrode and spaced apart from the first intermediate layer; a first counter electrode on the first intermediate layer and electrically connected to the connection electrode; and a second counter electrode on the second intermediate layer, spaced apart from the first counter electrode, and electrically connected to the connection electrode.
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公开(公告)号:US20230368742A1
公开(公告)日:2023-11-16
申请号:US18143035
申请日:2023-05-03
Applicant: Samsung Display Co., Ltd.
Inventor: Jaesic Lee , Wonkyu Kwak , Kyunghoon Kim , Mincheol Lee
IPC: G09G3/3275
CPC classification number: G09G3/3275 , G09G2300/0452 , G09G2310/0272
Abstract: Provided is a display apparatus comprising a data driving circuit configured to output data signals through a plurality of output lines, a data distribution circuit including a first switch and a second switch, wherein the first switch connects a first data line to a first output line in response to a first control signal, and the second switch connects the second data line to the first output line in response to a second control signal, and a control circuit configured to alternately output the first control signal and the second control signal during each line time of one frame.
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公开(公告)号:US11793043B2
公开(公告)日:2023-10-17
申请号:US17201053
申请日:2021-03-15
Applicant: Samsung Display Co., Ltd.
Inventor: Sunghwan Kim , Wonkyu Kwak
IPC: H01L29/08 , H10K59/131 , H10K59/65 , H10K59/124 , H10K59/121
CPC classification number: H10K59/131 , H10K59/124 , H10K59/1213 , H10K59/1216 , H10K59/65
Abstract: A display apparatus in which a display area is expanded so that an image may be displayed even in an area where components are arranged\is provided. The display apparatus includes a substrate including a first area in which a transmissive portion is located and a second area adjacent to the first area, a pixel circuit unit arranged in the first area and including a pixel circuit, a first pixel electrode arranged in the first area and electrically connected to the pixel circuit, the first pixel electrode having a first portion overlapping the pixel circuit unit and a second portion not overlapping the pixel circuit unit, and a metal pattern layer arranged between the substrate and the first pixel electrode and corresponding to the second portion.
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公开(公告)号:US11770968B2
公开(公告)日:2023-09-26
申请号:US17874883
申请日:2022-07-27
Applicant: Samsung Display Co., Ltd.
Inventor: Junwon Choi , Wonkyu Kwak , Changsoo Pyon
IPC: G06F3/045 , H10K77/10 , G06F3/044 , H10K50/844 , H10K59/40 , H10K59/123 , H10K59/124 , H01L27/12
CPC classification number: H10K77/111 , G06F3/0445 , H10K50/844 , H10K59/123 , H10K59/124 , H10K59/40 , G06F2203/04102 , H01L27/1218 , H01L27/1248
Abstract: A display device having improved reliability includes a substrate including a display area and a peripheral area outside the display area. The display area includes a central display area, a first bending display area contacting the central display area and bent about a first bending axis, and a second bending display area bent about a second bending axis intersecting the first bending axis. The peripheral area includes a corner area rounded and adjacent to the first bending display area and the second bending display area. This display device includes an inorganic layer disposed at the display area and the peripheral area, an opening pattern formed in the inorganic layer and corresponding to the corner area, and a first organic material layer covering the opening pattern.
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公开(公告)号:US20230225160A1
公开(公告)日:2023-07-13
申请号:US17981346
申请日:2022-11-04
Applicant: Samsung Display Co., Ltd.
Inventor: Youngjin Cho , Kyoungjin Park , Wonkyu Kwak , Joongsoo Moon
IPC: H01L27/32 , G09G3/3233
CPC classification number: H01L27/3276 , G09G3/3233 , H01L27/3213 , G09G2300/0842 , G09G2300/0819 , G09G2300/0861 , G09G2300/0452 , G09G2320/041 , G09G2320/0242 , G09G2320/0233 , G09G3/3266
Abstract: A display panel includes a first initialization voltage line in the display area and configured to transmit a first initialization voltage, a second initialization voltage line in the display area and configured to transmit a second initialization voltage, a first transistor in a first pixel area of the display area and connected to a pixel electrode of a first light-emitting diode emitting light of a first color and the first initialization voltage line, and a second transistor in a second pixel area adjacent to the first pixel area, the second transistor being connected to a pixel electrode of a second light-emitting diode emitting light of a second color and the second initialization voltage line.
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公开(公告)号:US11665943B1
公开(公告)日:2023-05-30
申请号:US17868070
申请日:2022-07-19
Applicant: Samsung Display Co., Ltd.
Inventor: Kiwook Kim , Wonkyu Kwak , Kwangmin Kim , Yangwan Kim
CPC classification number: H01L27/3276 , H01L27/3218 , H01L27/3262 , H01L27/3265
Abstract: A display panel is disclosed that includes a substrate, a first initialization voltage line, and a second initialization voltage line. The substrate includes a display area and a peripheral area. The first initialization voltage line is arranged in the display area and includes a first vertical voltage line and a first horizontal voltage line. The second initialization voltage line includes a second vertical voltage line and a second horizontal voltage line overlapping the first horizontal voltage line in a plan view. Each of the plurality of pixels includes a first sub-pixel configured to emit light of a first color, and a second sub-pixel configured to emit light of a second color. The first initialization voltage line is configured to transmit a first initialization voltage to one electrode of a light-emitting diode of the first sub-pixel. The second initialization voltage line is configured to transmit a second initialization voltage to one electrode of a light-emitting diode of the second sub-pixel.
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公开(公告)号:US11653533B2
公开(公告)日:2023-05-16
申请号:US16917716
申请日:2020-06-30
Applicant: Samsung Display Co., Ltd.
Inventor: Byungsun Kim , Wonkyu Kwak , Kyeonghwa Kim , Jaewon Kim , Hyungjun Park , Seungyeon Cho , Junwon Choi
IPC: G09G3/3275 , H01L27/32 , G09G3/3266
CPC classification number: H01L27/3276 , G09G3/3266 , G09G3/3275
Abstract: A display device includes: a substrate including a display area and a peripheral area outside the display area, the display area including a first display area and a second display area; a first fan-out portion in a portion of the peripheral area outside the first display area; a second fan-out portion outside the first fan-out portion; a first power supply line in the peripheral area corresponding to one side of the display area and overlapping at least a portion of the first fan-out portion; and a second power supply line in the peripheral area outside the display area and overlapping at least a portion of the second fan-out portion.
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公开(公告)号:US11637164B2
公开(公告)日:2023-04-25
申请号:US17324496
申请日:2021-05-19
Applicant: Samsung Display Co., Ltd.
Inventor: Wonkyu Kwak , Jae-Sic Lee , Wonse Lee , Jinhee Jang
IPC: H01L27/32 , G09G3/3266 , G09G3/3291
Abstract: A display device includes a display panel including pixels. One of the pixels includes a light emitting diode, a first capacitor connected between a power line receiving a power supply voltage and a first reference node, a first transistor connected between the power line and an anode of the light emitting diode, a second transistor connected between a data line and a first electrode of the first transistor, a third transistor including a plurality of sub-transistors connected between a second electrode of the first transistor and the first reference node in series, and a fourth transistor connected to a second reference node among a plurality of second reference nodes between the sub-transistors and receiving an initialization scan signal.
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公开(公告)号:US20220384547A1
公开(公告)日:2022-12-01
申请号:US17695067
申请日:2022-03-15
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Wonse Lee , Wonkyu Kwak
Abstract: A display apparatus includes: a substrate including a first area and a second area; and a display element layer including a first display element and a second display element. The first display element includes a first electrode having a first thickness and is located in the first area, and the second display element includes a second electrode having a second thickness, which is less than the first thickness, and is located in the second area. The second display element is provided in plural, and one of the plurality of second display elements and another one of the plurality of second display elements are electrically connected to each other.
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