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公开(公告)号：US12165932B2
公开(公告)日：2024-12-10
申请号：US18202807
申请日：2023-05-26
Applicant: LG Display Co., Ltd.
Inventor： Seeun Kim , JongSung Kim , HyunGon Kim , YoungIn Jang
Abstract: A display device can include a substrate including a plurality of pixels; a plurality of light emitting diodes disposed in each of the plurality of pixels; a color conversion member disposed over at least two light emitting diodes among the plurality of light emitting diodes in one pixel among the plurality of pixels; and a light shielding pattern disposed over at least one light emitting diode among the plurality of light emitting diodes in the one pixel for forming a black sub pixel that does not emit light outside of the display device. Also, each of the plurality of pixels includes a first sub pixel, a second sub pixel, a third sub pixel, and one or more black sub pixels.
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公开(公告)号：US20240420623A1
公开(公告)日：2024-12-19
申请号：US18653715
申请日：2024-05-02
Applicant: LG Display Co., Ltd.
Inventor： Junhyeok Lee , YoungIn Jang , Soyoung Lee , HyunGon Kim
Abstract: A display device includes a display panel in which a plurality of first pixel areas and a plurality of second pixel areas each including a plurality of sub pixels are defined; a pixel circuit which is disposed in each of the plurality of sub pixels and includes a driving transistor; and a welding transistor which selectively connects the pixel circuits of the first pixel area and a second pixel area which are adjacent to each other, among the plurality of first pixel areas and the plurality of second pixel areas. Accordingly, the welding transistor is used to further supply a driving current of the pixel circuit to the light emitting diode of an adjacent sub pixel to improve the luminance.
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公开(公告)号：US12159571B2
公开(公告)日：2024-12-03
申请号：US18355159
申请日：2023-07-19
Applicant: LG Display Co., Ltd.
Inventor： Subin Kim , YoungIn Jang , KyungYun Kang
Abstract: A display apparatus includes a substrate including a display area including a plurality of pixels disposed along a first direction and a second direction intersecting with the first direction, a gate driving circuit disposed at each of a plurality of horizontal lines of the display area, the gate driving circuit including a plurality of stage circuit units for supplying a scan signal to the plurality of pixels, a plurality of gate control lines connected to the plurality of stage circuit units disposed at the display area, a plurality of dummy lines disposed respectively adjacent to the plurality of gate control lines, and a plurality of carry signal lines connected between the plurality of stage circuit units disposed at the display area, each of the plurality of carry signal lines may comprise a plurality of line patterns disposed at different layers.
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公开(公告)号：US12144214B2
公开(公告)日：2024-11-12
申请号：US17470510
申请日：2021-09-09
Applicant: LG DISPLAY CO., LTD.
Inventor： YoungIn Jang , Ji-Heun Lee , EunJi Park
IPC: H10K59/131 , G09G3/3291 , H10K59/122
Abstract: A light emitting display panel and a light emitting display apparatus including the same, in which a cathode is connected to an auxiliary cathode electrode through an undercut region provided under a planarization layer, are provided. The light emitting display panel includes a substrate, an auxiliary cathode electrode provided in the substrate, a passivation layer covering the auxiliary cathode electrode, an anode provided on the passivation layer, a bank surrounding an outer portion of the anode, a light emitting layer provided on the anode, and a cathode provided on the light emitting layer, the cathode is connected to the auxiliary cathode electrode through a connection electrode exposed at an undercut region passing through the bank and the passivation layer.
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公开(公告)号：US11637169B2
公开(公告)日：2023-04-25
申请号：US17138357
申请日：2020-12-30
Applicant: LG Display Co., Ltd.
Inventor： YoungIn Jang , KyungMin Kim , HyunDong Kim
IPC: H01L27/32 , H01L25/065 , H01L51/00
Abstract: A light emitting display apparatus includes a substrate including a display portion, a plurality of pixels disposed in the display portion, a common electrode disposed in the display portion and electrically connected to each of the plurality of pixels, a pixel common voltage line disposed in the display portion and electrically connected to the common electrode, a pad part disposed at one edge portion of the substrate, the pad part including a pixel common voltage pad connected to the pixel common voltage line, and at least one closed loop line disposed at an edge portion of the substrate to surround the display portion, wherein the at least one closed loop line is electrically connected to the pixel common voltage pad.
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Patent Agency Ranking
公开(公告)号：US20240178361A1
公开(公告)日：2024-05-30
申请号：US18389134
申请日：2023-11-13
Applicant: LG DISPLAY CO., LTD.
Inventor： HyunGon Kim , KwangSu Lim , Soyoung Lee , YoungIn Jang
CPC classification number: H01L33/62 , H01L25/167 , H01L2933/0066
Abstract: In one aspect, a display device includes a substrate having pixels each including a plurality of sub-pixels; a plurality of light-emitting elements on the plurality of sub-pixels and each including one or more n-type electrodes and a p-type electrode; a first connection electrode on each of the plurality of light-emitting elements of the plurality of sub-pixels and including a concave portion that overlaps the one or more n-type electrodes; and a second connection electrode on each of the plurality of light-emitting elements of the plurality of sub-pixels and including a convex portion that overlaps the p-type electrode. The concave portion and the convex portion extend in a first direction in each of a first subset of the plurality of sub-pixels, and the concave portion and the convex portion extend in a second direction different from the first direction in each of a second subset of the plurality of sub-pixels.
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公开(公告)号：US11727846B2
公开(公告)日：2023-08-15
申请号：US17981175
申请日：2022-11-04
Applicant: LG Display Co., Ltd.
Inventor： Subin Kim , Dongik Kim , YoungIn Jang
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2310/0267 , G09G2310/0286 , G09G2310/0291 , G09G2310/08 , G09G2330/021
Abstract: A light emitting display apparatus includes a gate driver including stages provided in a substrate and a plurality of gate lines connected to the stages. Each of the stages includes a shift register and two buffers connected to the shift register, a first buffer of two buffers configuring an nth stage and a first shift register configuring the nth stage are provided in an nth horizontal portion and a second buffer of the two buffers is provided in an n+2th horizontal portion, a third buffer of two buffers configuring an n+1th stage and a second shift register configuring the n+1th stage are provided in an n+3th horizontal portion and a fourth buffer of the two buffers is provided in an n+1th horizontal portion, and the nth horizontal portion is a region including pixels which are arranged along a 4n−3th gate line and a 4n−2th gate line.
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公开(公告)号：US20220208946A1
公开(公告)日：2022-06-30
申请号：US17565365
申请日：2021-12-29
Applicant: LG Display Co., Ltd.
Inventor： KyungMin Kim , EunJi Park , YoungIn Jang
IPC: H01L27/32
Abstract: A light emitting display apparatus includes a display area including pixels in first to mth horizontal lines parallel to a first direction over a first substrate, gate lines at the first to mth horizontal lines of the display area, gate control lines between the plurality of pixels, and a gate driving circuit including first to mth stage circuit parts at the display area and coupled to the gate lines and the gate control lines. Each of the first to mth stage circuit parts includes a plurality of branch circuits dispersively between the pixels along the first direction and coupled to the gate control lines, and a branch network coupled to the plurality of branch circuits. Each of the branch network of the first stage circuit unit and the mth stage circuit unit is disposed between two adjacent pixels along the second direction.
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公开(公告)号：US12236847B2
公开(公告)日：2025-02-25
申请号：US18223868
申请日：2023-07-19
Applicant: LG Display Co., Ltd.
Inventor： Subin Kim , YoungIn Jang
IPC: G09G3/32 , G09G3/3233 , G09G3/3266
Abstract: The present disclosure relates to a display apparatus and a multi-screen display apparatus including the same. The display apparatus includes a substrate including a display area including a plurality of pixels disposed along a first direction and a second direction intersecting with the first direction, and a gate driving circuit including a plurality of stage circuit units respectively disposed at a plurality of horizontal lines of the display area to supply a scan signal to the plurality of pixels. Each of the plurality of stage circuit units includes a plurality of branch circuits supplying the scan signal to the plurality of pixels, and a plurality of circuit connection lines connected to the plurality of branch circuits and formed of a transparent conductive material.
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公开(公告)号：US12190769B2
公开(公告)日：2025-01-07
申请号：US18356465
申请日：2023-07-21
Applicant: LG Display Co., Ltd.
Inventor： YoungIn Jang , Subin Kim , KyungYun Kang
IPC: G09G3/20
Abstract: A display apparatus can include a display panel in which pixels, first to gth gate lines, and data lines are provided (where g is a natural number), and link lines provided on a rear surface of the display panel and connected to the data lines provided on a front surface of the display panel. In a display area including the pixels in the front surface, a first stage to an mth stage generating gate signals to be supplied to the first gate line to the gth gate line are provided (where m is a natural number less than or equal to g). A first monitoring line through which a first monitoring signal is output is further connected to the first stage, and the first monitoring line extends to the rear surface through a lateral surface of the display panel.
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