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公开(公告)号：US20250098370A1
公开(公告)日：2025-03-20
申请号：US18788349
申请日：2024-07-30
Applicant: LG DISPLAY CO., LTD.
Inventor： YoungIn JANG , KwangSu LIM , Junhyeok LEE , HyunGon KIM
Abstract: A display device includes a substrate on which a plurality of subpixels is defined, and a plurality of light-emitting elements respectively disposed in the plurality of subpixels. Each of the plurality of light-emitting elements includes a first semiconductor layer, a light-emitting layer on the first semiconductor layer, and a second semiconductor layer on the light-emitting layer. The first semiconductor layer includes a first part having a flat top surface, and a second part protruding upward from the first part and being in direct contact with a bottom surface of the light-emitting layer. An area of a top surface of the second semiconductor layer is larger than an area of a bottom surface of the second semiconductor layer.
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2.发明公开公开(公告)号：US20230232682A1
公开(公告)日：2023-07-20
申请号：US18123791
申请日：2023-03-20
Applicant: LG Display Co., Ltd.
Inventor： YoungIn JANG , KyungMin KIM , HyunDong KIM
IPC: H10K59/131 , H01L25/065 , H10K59/18 , H10K59/122
CPC classification number: H10K59/131 , H01L25/0655 , H10K59/18 , H10K59/122 , H10K77/111
Abstract: A light emitting display apparatus can include 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; and a pixel common voltage line disposed in the display portion and electrically connected to the common electrode. Also, the light emitting display apparatus can further include at least one closed loop line disposed at an edge portion of the substrate to surround the display portion; at least one cliff pattern portion overlapping with the at least one closed loop line, and a light emitting device layer including a self-light emitting device, disposed on the display portion and the at least one cliff pattern portion, in which the self-light emitting device is isolated by the at least one cliff pattern portion.
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公开(公告)号：US20240222200A1
公开(公告)日：2024-07-04
申请号：US18202807
申请日：2023-05-26
Applicant: LG Display Co., Ltd.
Inventor： Seeun KIM , JongSung KIM , HyunGon KIM , YoungIn JANG
CPC classification number: H01L22/20 , G09G3/2096 , G09G3/32 , H01L24/24 , H01L25/167 , H01L33/507 , G09G2300/0452 , G09G2320/0666 , H01L2224/24051 , H01L2224/24147 , H01L2933/0041
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：US20240178359A1
公开(公告)日：2024-05-30
申请号：US18139118
申请日：2023-04-25
Applicant: LG Display Co., Ltd.
Inventor： YoungIn JANG , Soyoung LEE , HyunGon KIM
CPC classification number: H01L33/62 , G09F9/3026 , G09F9/33 , H01L25/0753 , H01L25/167 , H01L27/124 , H01L33/32 , H01L33/382
Abstract: A display device can includes a substrate in which a plurality of sub pixels are defined; a light emitting diode disposed in a sub pixel among the plurality of sub pixels on the substrate; and a first transistor which is disposed in the sub pixel and configured to supply a driving current to the light emitting diode. Also, the first transistor can be a high electron mobility transistor (HEMT). Accordingly, the first transistor can have a high electron mobility to supply a high current to the light emitting diode and display a high luminous image.
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公开(公告)号：US20250062164A1
公开(公告)日：2025-02-20
申请号：US18936369
申请日：2024-11-04
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, 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, the color conversion member includes a color conversion layer and a color filter disposed on the color conversion layer.
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Patent Agency Ranking
公开(公告)号：US20240145656A1
公开(公告)日：2024-05-02
申请号：US18386363
申请日：2023-11-02
Applicant: LG Display Co., Ltd.
Inventor： YoungIn JANG , Soyoung LEE , HyunGon KIM
CPC classification number: H01L33/62 , H01L25/167 , H01L33/60 , H01L2933/0066
Abstract: According to an aspect of the present disclosure, a display device includes: a substrate on which a plurality of sub-pixels is defined; a light-emitting element disposed on each of the plurality of sub-pixels and having an inversely tapered shape; a first connection electrode configured to surround a side surface of a lower portion of the light-emitting element; a second connection electrode configured to cover an upper portion of the light-emitting element; and a first planarization layer disposed between the first connection electrode and the second connection electrode. Therefore, the first connection electrode, which surrounds a lower portion of the light-emitting element, may be formed to be spaced apart from an upper portion of the light-emitting element by using the light-emitting element having an inversely tapered shape.
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公开(公告)号：US20240038118A1
公开(公告)日：2024-02-01
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
CPC classification number: G09G3/20 , G09G2310/0267 , G09G2310/0291 , G09G2310/08
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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公开(公告)号：US20240030234A1
公开(公告)日：2024-01-25
申请号：US18224909
申请日：2023-07-21
Applicant: LG Display Co., Ltd.
Inventor： Subin KIM , YoungIn JANG
CPC classification number: H01L27/124 , H01L25/167
Abstract: A display apparatus can include a substrate having a display area, where the display area includes a plurality of pixels disposed along a first direction and a second direction intersecting with the first direction. The display apparatus can further include a gate driving circuit disposed at the display area and including a plurality of branch circuits for supplying a scan signal to the plurality of pixels, and a plurality of lines disposed at a region between two pixels adjacent to each other along the first direction, and extending in the second direction and selectively connected to the plurality of branch circuits. The number of lines disposed at a region between two pixels adjacent to each other along the first direction is the same.
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公开(公告)号：US20210202675A1
公开(公告)日：2021-07-01
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
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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公开(公告)号：US20240260385A1
公开(公告)日：2024-08-01
申请号：US18412402
申请日：2024-01-12
Applicant: LG DISPLAY CO., LTD.
Inventor： YoungIn JANG , KwangSu LIM , Soyoung LEE , HyunGon KIM
IPC: H10K59/70 , H10K59/122
CPC classification number: H10K59/70 , H10K59/122
Abstract: A display apparatus includes a substrate including a first display area and a second display area surrounding the first display area, a plurality of first sub-pixels disposed at the first display area, a plurality of second sub-pixels disposed at the second display area, a first light emitting element disposed at each of the plurality of first sub-pixels, and a second light emitting element disposed at each of the plurality of second sub-pixels. The first light emitting element includes an organic light emitting diode and the second light emitting element includes an inorganic light emitting diode.
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