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公开(公告)号：US12249617B2
公开(公告)日：2025-03-11
申请号：US17528762
申请日：2021-11-17
Applicant: LG DISPLAY CO., LTD
Inventor： Seungcheol You , Wonrae Kim , SeungBum Lee
Abstract: A display apparatus includes a display panel on which a plurality of pixels are displayed, a plurality of signal lines to which a signal required to drive the display panel is supplied, and an electrostatic discharge circuit connected between each of the plurality of signal lines and the electrostatic discharge line, and the electrostatic discharge circuit includes first and second current paths between the signal line and the electrostatic discharge line, a first electrostatic discharge circuit connected to the first current path, including a plurality of first thin film transistors having a first gate electrode connected to the second current path and a second gate electrode connected to the first current path, and a second electrostatic discharge circuit connected to the second current path, including at least one second thin film transistor having a first gate electrode connected to the first current path and a second gate electrode connected to the first current path.
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Patent Agency Ranking
公开(公告)号：US12094919B2
公开(公告)日：2024-09-17
申请号：US17534190
申请日：2021-11-23
Applicant: LG DISPLAY CO., LTD.
Inventor： Wonrae Kim , SeungBum Lee , YoungHoon Kim , Yoonsik Yang
CPC classification number: H01L27/156 , H01L33/10 , H01L33/382 , H01L33/62
Abstract: A display device includes a substrate on which a plurality of sub-pixels are disposed, a first reflective layer disposed on the substrate, a plurality of LEDs disposed in each of the plurality of sub-pixels on the first reflective layer, a plurality of light conversion layers disposed between the first reflective layer and the plurality of LEDs, and a plurality of second reflective layers covering at least a portion of the plurality of LEDs. Light emitted from the plurality of LEDs is reflected by the plurality of second reflective layers, and light having a wavelength longer than that of the light emitted from the plurality of LEDs is emitted upwardly from the plurality of LEDs.
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公开(公告)号：US20240215405A1
公开(公告)日：2024-06-27
申请号：US18397456
申请日：2023-12-27
Applicant: LG Display Co., Ltd.
Inventor： Sejong Seong , KyungMin Kim , Hyemin Park , SeHong Park , Wonrae Kim , Inae Choi , SeoHyun Nam
IPC: H10K59/80 , H10K59/131
CPC classification number: H10K59/878 , H10K59/131 , H10K59/351
Abstract: A display apparatus is discussed, which can improve light extraction efficiency of light emitted from a light emitting element layer. In one example, the display apparatus includes a substrate having a plurality of pixels with a plurality of subpixels, a pattern portion disposed on the substrate and formed to be concave between the plurality of subpixels, a reflective portion on the pattern portion, and a plurality of lines for driving the plurality of subpixels. The plurality of subpixels include a light emission area and a non-light emission area adjacent to the light emission area, and the plurality of lines are disposed in the non-light emission area. Further, the pattern portion is provided to surround the light emission area, and at least one of the plurality of lines partially overlaps the pattern portion.
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公开(公告)号：US20220199692A1
公开(公告)日：2022-06-23
申请号：US17518147
申请日：2021-11-03
Applicant: LG DISPLAY CO., LTD.
Inventor： Kyungkook Jang , Seungryong Lee , Wonrae Kim , Seungcheol You , Dabin Kim
Abstract: Discussed is a color filter structure for converting a wavelength of light emitted from a light-emissive element. The color filter structure includes a light-conversion layer containing a first resin and quantum dots dispersed in the first resin, wherein each quantum dot has a core/shell structure. The color filter structure further includes a light-absorbing layer stacked on the light-conversion layer, wherein the light-absorbing layer contains a second resin and semiconductor nano-particles dispersed in the second resin. The semiconductor nano-particles absorb light emitted from the light-emissive element. Accordingly, the color filter structure improves color purity and luminance of the emitted light.
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公开(公告)号：US20220069259A1
公开(公告)日：2022-03-03
申请号：US17405948
申请日：2021-08-18
Applicant: LG Display Co., Ltd.
Inventor： Seonghan Hwang , Wonrae Kim
Abstract: An organic light-emitting display device includes first to third color filters disposed respectively in first to third sub-pixel areas, a planarization layer disposed on the first to third color filters, and a bank layer disposed on the planarization layer and between adjacent sub-pixel areas, wherein a portion of the second color filter protrudes upwardly beyond a top face of the planarization layer, wherein the bank layer covers the portion of the second color filter protruding upwardly beyond the top face of the planarization layer. The display device has a stack structure of the portion of the blue color filter protruding upwardly beyond a top face of the planarization layer and the bank layer covering the portion, thereby suppressing light leakage between adjacent sub-pixel areas, and improving a lifetime of an organic light emitting element.
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公开(公告)号：US11228012B2
公开(公告)日：2022-01-18
申请号：US16585199
申请日：2019-09-27
Applicant: LG Display Co., Ltd.
Inventor： Seungbum Lee , Wonrae Kim , Sooin Kim , Younghoon Kim , Jungmin Yoon , Hyungyu Kim
Abstract: A self light-emitting display device includes a substrate having a circuit board and a color filter pattern on the circuit board. The circuit board includes a driving thin-film transistor. The display device further includes a passivation film above the substrate, a color conversion pattern above the passivation film and overlapping the color filter pattern, and a light-emitting layer above the passivation film and the color conversion pattern. The light emitting layer includes a flat part and a convex part. The convex part is above the color conversion pattern and protrudes convexly relative to the flat part.
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