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公开(公告)号：US20230217723A1
公开(公告)日：2023-07-06
申请号：US17982159
申请日：2022-11-07
Applicant: LG Display Co., Ltd.
Inventor： KyungKook JANG , SeongHan HWANG , DaBin KIM , Wonrae KIM
CPC classification number: H01L27/3246 , H01L51/5284 , C09K11/883 , C09K11/0883 , H01L27/3227 , B82Y20/00
Abstract: A display device can include a substrate including a display area, a subpixel positioned on the substrate and positioned in the display area, and a black bank positioned on the substrate. The black bank can include a first opening corresponding to an emission area of the subpixel, and quantum dots that absorb light having a wavelength in a visible light region. As a result, the display device can reduce external light reflectance.
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公开(公告)号：US20240251644A1
公开(公告)日：2024-07-25
申请号：US18510170
申请日：2023-11-15
Applicant: LG Display Co., Ltd.
Inventor： SeHong PARK , Wonrae KIM , Inae CHOI , Sejong SEONG , SeoHyun NAM
IPC: H10K59/80 , H10K59/122 , H10K59/35
CPC classification number: H10K59/879 , H10K59/122 , H10K59/351 , H10K59/80518 , H10K59/878
Abstract: A display apparatus is provided, which may improve light extraction efficiency of light emitted from a light emitting element layer. The display apparatus comprises a substrate having a plurality of pixels having a plurality of subpixels, a pattern portion disposed on the substrate and formed to be concave between the plurality of subpixels, and a reflective portion on the pattern portion, wherein the plurality of subpixels include an overcoat layer having a first layer on the substrate and a light extraction portion adjacent to the reflective portion, having a plurality of concave portions formed on the first layer, an optimal radius RBEST of the concave portion satisfies RBEST=0.15 sin 4π(AR+0.05)+1.5noc+0.5m−0.59, wherein ‘π’ is a circumferential rate, AR is an aspect ratio of the concave portion, ‘noc’ is a refractive index of the first layer, and ‘m’ is a variable value according to a process of forming the plurality of concave portions.
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公开(公告)号：US20240224759A1
公开(公告)日：2024-07-04
申请号：US18545534
申请日：2023-12-19
Applicant: LG Display Co., Ltd.
Inventor： SeHong PARK , Wonrae KIM , WonSik LEE , Inae CHOI , Sejong SEONG
IPC: H10K59/80 , H10K59/124 , H10K59/35
CPC classification number: H10K59/879 , H10K59/124 , H10K59/351
Abstract: Discussed in an organic light emitting display apparatus, which can include a plurality of pixels on a substrate, each pixel including a plurality of subpixels, and each of the plurality of subpixels having an emission region, a planarization layer including a light extraction pattern, the light extraction pattern disposed at the emission region of each of the plurality of subpixels and including a plurality of concave portions; and a light emitting device layer on the light extraction pattern of each of the plurality of subpixels. The emission region of each of the plurality of subpixels includes a reference point disposed at a concave portion of the plurality of concave portions. The light extraction pattern of each of the plurality of subpixels has a rotation angle with respect to the reference point.
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公开(公告)号：US20240224753A1
公开(公告)日：2024-07-04
申请号：US18469970
申请日：2023-09-19
Applicant: LG Display Co., Ltd.
Inventor： Sejong SEONG , SeHong PARK , Wonrae KIM , Hyemin PARK , SeoHyun NAM
IPC: H10K59/80 , H10K59/131 , H10K59/35
CPC classification number: H10K59/879 , H10K59/131 , H10K59/351
Abstract: A display apparatus is provided, which may improve light extraction efficiency of light emitted from a light emitting element layer. The display apparatus comprises a substrate having a plurality of pixels, each of the plurality of pixels having a plurality of subpixels, a pattern portion disposed on the substrate, a reflective portion on the pattern portion, and a plurality of lines provided below the pattern portion, for driving the plurality of subpixels, wherein the plurality of subpixels include a light emission area and a non-light emission area adjacent to the light emission area, the non-light emission area includes a first area adjacent to the light emission area and a second area adjacent to the first area, and the first area is between the second area and the light emission area, and at least one of the plurality of lines is disposed to at least partially overlap the second area.
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公开(公告)号：US20230033375A1
公开(公告)日：2023-02-02
申请号：US17879539
申请日：2022-08-02
Applicant: LG Display Co., Ltd.
Inventor： Wonrae KIM , Yongchan PARK , Seungcheol YOU , Dabin KIM
IPC: H01L27/32
Abstract: Embodiments of the present disclosure relate to a display device and a server. More specifically, there can be provided a display device which includes a light receiving transistor and a light receiving layer positioned in an active region, and provides an optical signal receiver in the active region, so that there is no need to secure a separate space for the optical signal receiver and high-speed optical communication is possible.
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Patent Agency Ranking
公开(公告)号：US20230413639A1
公开(公告)日：2023-12-21
申请号：US18034787
申请日：2021-05-21
Applicant: LG DISPLAY CO., LTD.
Inventor： Wonrae KIM , Seungbum LEE , Younghoon KIM , Yoonsik YANG , Seungcheol YOU
CPC classification number: H10K59/40 , H10K59/38 , H10K59/65 , G06V40/1318
Abstract: A display apparatus according to an embodiment of the present disclosure includes: a panel which includes a light emitting area and at least one non-light emitting area; a light emitting device which is disposed in the light emitting area and includes a first electrode, a light emitting stack, and a second electrode; a light converter which partitions an opening of the light emitting area and includes a light conversion material; and a capping layer disposed on the second electrode. The light converter includes a light conversion layer and a light amplifier.
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公开(公告)号：US20230214070A1
公开(公告)日：2023-07-06
申请号：US17962124
申请日：2022-10-07
Applicant: LG DISPLAY CO., LTD.
Inventor： Wonrae KIM , KyungKook JANG , JongHoon WOO , Sungjin KIM
CPC classification number: G06F3/0445 , G06F3/0412 , G06F3/0446 , H01L27/323 , G06F2203/04112
Abstract: A touch display device and a film for the touch display device, capable of increasing power efficiency to provide a hover touch function, by providing a touch display device comprising a display panel having a plurality of subpixels, and having a plurality of data lines and a plurality of gate lines electrically connected with the plurality of subpixels, a touch panel having a plurality of driving touch electrodes positioned to overlap with at least one subpixel among the plurality of subpixels, a touch driving signal for touch sensing applied to one or more driving touch electrodes among the plurality of driving touch electrodes, and a magnetic substance disposed around each of the plurality of driving touch electrodes, on the plurality of driving touch electrodes.
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公开(公告)号：US20220181385A1
公开(公告)日：2022-06-09
申请号：US17534190
申请日：2021-11-23
Applicant: LG DISPLAY CO., LTD.
Inventor： Wonrae KIM , SeungBum LEE , YoungHoon KIM , Yoonsik YANG
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：US20200105838A1
公开(公告)日：2020-04-02
申请号：US16586955
申请日：2019-09-28
Applicant: LG Display Co., Ltd.
Inventor： Sooin KIM , Seungbum LEE , Wonrae KIM
IPC: H01L27/32
Abstract: A self-light emitting display device comprises at least one pixel comprising a first region, a second region and a third region; a blue light emitting diode disposed in the at least one pixel and configured to emit blue light; partitions disposed over the blue light emitting diode and spaced apart from one another, the partitions defining the first region, the second region and the third region; a color conversion pattern disposed over the blue light emitting diode and including a red color converting unit disposed between the partitions in the first region and configured to convert the blue light into red light and a green color converting unit disposed between the partitions in the second region and configured to convert the blue light into green light; and a selective transmission layer configured to transmit the blue light and to reflect the green light and the red light and comprising a first selective transmission region corresponding to the first and second regions, wherein the first selective transmission region includes a first bottom portion disposed between the color conversion pattern and the blue light emitting diode, and a first wall portion disposed between the color conversion pattern and partitions and extending from the first bottom portion.
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公开(公告)号：US20240260420A1
公开(公告)日：2024-08-01
申请号：US18517823
申请日：2023-11-22
Applicant: LG Display Co., Ltd.
Inventor： Inae CHOI , SeHong PARK , Wonrae KIM , Sejong SEONG , SeoHyun NAM
IPC: H10K59/80 , H10K59/122 , H10K59/124
CPC classification number: H10K59/878 , H10K59/122 , H10K59/124 , H10K59/879
Abstract: A display apparatus can include a plurality of subpixels disposed on a substrate; a pattern portion disposed on the substrate, the pattern portion forming a concave area between at least two subpixels among the plurality of subpixels; and a reflective pattern partially overlapping with a portion of the pattern portion. Also, the plurality of subpixels include a light emission area and a non-light emission area adjacent to the light emission area, the reflective pattern being disposed in the non-light emission area, and the non-light emission area includes a first void located between the light emission area and the reflective pattern.
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