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公开(公告)号：US20220320371A1
公开(公告)日：2022-10-06
申请号：US17763893
申请日：2019-10-02
Applicant: LG ELECTRONICS INC.
Inventor： Chilkeun PARK , Junghoon KIM , Chunghyun LIM
Abstract: The present specification provides a display device using semiconductor light-emitting diodes which are self-assembled in fluid, and a method for manufacturing same. Specifically, the semiconductor light-emitting diode comprises: a first-conductive-type electrode layer and a second-conductive-type electrode layer; a first-conductive-type semiconductor layer electrically connected to the first-conductive-type electrode layer; an active layer provided on the first-conductive-type semiconductor layer; and a second-conductive-type semiconductor layer provided on the active layer and electrically connected to the second-conductive-type electrode layer, wherein one surface of the second-conductive-type semiconductor layer comprises a mesa structure formed by etching a portion of the one surface, and the second-conductive-type electrode layer is provided on the one surface comprising the mesa structure of the second-conductive-type semiconductor layer.
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公开(公告)号：US20220128862A1
公开(公告)日：2022-04-28
申请号：US17569919
申请日：2022-01-06
Applicant: LG ELECTRONICS INC.
Inventor： Yongjin KIM , Munheon HONG , Chilkeun PARK , Sangcheon KIM , Mangeun KIM
IPC: G02F1/13357 , F21V11/16 , F21V7/00
Abstract: A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the lower cover; a light regulating pattern disposed close to an edge of the reflection layer; and an optical sheet disposed on the light sources. Further, a width of the light regulating pattern changes along the edge of the reflection layer.
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公开(公告)号：US20210181581A1
公开(公告)日：2021-06-17
申请号：US17186768
申请日：2021-02-26
Applicant: LG ELECTRONICS INC.
Inventor： Yongjin KIM , Munheon HONG , Chilkeun PARK , Sangcheon KIM , Mangeun KIM
IPC: G02F1/13357 , F21V11/16 , F21V7/00
Abstract: A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the lower cover; a light regulating pattern disposed close to an edge of the reflection layer; and an optical sheet disposed on the light sources. Further, the light regulating pattern changes in size as a distance from the light source changes.
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公开(公告)号：US20170359877A1
公开(公告)日：2017-12-14
申请号：US15604565
申请日：2017-05-24
Applicant: LG ELECTRONICS INC.
Inventor： Chilkeun PARK , Sangmo KOO , Munheon HONG
CPC classification number: H05B33/0863 , G02B6/0023 , G02B6/005 , G02F1/153 , G02F1/155 , H05B33/0869 , H05B37/0272
Abstract: A lighting apparatus and a mobile terminal controlling the same are disclosed. The lighting apparatus comprises a light source module generating light; and an electrochromic module varying a wavelength of light incident from the light source module, wherein the electrochromic module absorbs light of a specific one among wavelength ranges of the light incident from the light source module, in accordance with a lighting mode which is input. The mobile terminal controlling a lighting apparatus, which includes a light source module and an electrochromic module, comprises an input module receiving a user input; a communication module transmitting a lighting control signal to the lighting apparatus; a display module displaying a setup window for setting a lighting mode of the lighting apparatus; and a controller controlling the input module, the communication module and the display module.
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公开(公告)号：US20160124267A1
公开(公告)日：2016-05-05
申请号：US14992768
申请日：2016-01-11
Applicant: LG ELECTRONICS INC.
Inventor： Yongjin KIM , Munheon HONG , Chilkeun PARK , Sangcheon KIM , Mangeun KIM
IPC: G02F1/1335
CPC classification number: G02F1/133606 , F21V7/00 , F21V7/0025 , F21V11/16 , F21Y2105/00 , G02B6/0055 , G02B6/0061 , G02B6/0096 , G02F1/133603 , G02F1/133605 , G02F1/133611 , G02F2001/133388 , G02F2001/133612 , G02F2001/133613 , G02F2001/133614 , G02F2202/28
Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an inclination with respect to the reflection layer, wherein the plurality of absorbers have a greater density at first areas aligned with the respective light sources than at second areas between the first areas; and an optical sheet disposed on the light sources.
Abstract translation: 1.一种照明装置，包括电路基板; 设置在电路基板上的多个光源; 设置在所述电路基板上的反射层，所述反射层包括多个开口，各个光源位于所述多个开口处; 设置在所述反射层的边缘并且相对于所述反射层倾斜的多个吸收体，其中所述多个吸收体在与所述各个光源对准的第一区域处的密度大于在所述第一区域之间的第二区域处的密度; 以及设置在光源上的光学片。
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Patent Agency Ranking
公开(公告)号：US20240250065A1
公开(公告)日：2024-07-25
申请号：US18290995
申请日：2021-07-21
Applicant: LG ELECTRONICS INC.
Inventor： Chilkeun PARK , Byoungkwon CHO , Wonseok CHOI , Wonjae CHANG
IPC: H01L25/065 , H01L27/12 , H01L33/62
CPC classification number: H01L25/0652 , H01L27/124 , H01L33/62
Abstract: The display device can include a substrate, a barrier rib having an assembly hole on the substrate, a semiconductor light emitting device in the assembly hole, and a first connection part disposed in the assembly hole and on the barrier rib and electrically connected to a side surface of the semiconductor light emitting device. In the embodiment, maximum luminance can always be obtained regardless of whether the assembling wirings disposed on the substrate are disposed on the same layer or different layers, and each pixel has constant luminance, thereby improving image quality due to luminance uniformity.
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公开(公告)号：US20230335674A1
公开(公告)日：2023-10-19
申请号：US18028603
申请日：2020-09-28
Applicant: LG ELECTRONICS INC.
Inventor： Chilkeun PARK , Wonjae CHANG , Junghoon KIM
IPC: H01L33/20 , H01L25/075 , H01L33/44
CPC classification number: H01L33/20 , H01L25/0753 , H01L33/44 , H01L2933/0025
Abstract: The embodiment relates to a semiconductor light emitting device and a display device including the same. The semiconductor light emitting device according to the embodiment can include the second electrode layer 120, the light emitting structure 110 disposed on the second electrode layer 120, a protruding mesa semiconductor layer 100P disposed on the light emitting structure 110 and a passivation layer 130 disposed on a side surface of the light emitting structure 110. The protruding mesa semiconductor layer 100P can include a first conductivity type mesa semiconductor layer 111b and an undoped mesa semiconductor layer 105b.
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公开(公告)号：US20220399313A1
公开(公告)日：2022-12-15
申请号：US17764482
申请日：2019-10-07
Applicant: LG ELECTRONICS INC.
Inventor： Chilkeun PARK , Junghoon KIM
IPC: H01L25/075 , H01L21/683 , H01L33/44 , H01L33/62
Abstract: The present specification provides a display device using a semiconductor light emitting element that self-assembles in a fluid, and a method for manufacturing same. The semiconductor light emitting element is a horizontal semiconductor light emitting element, and has a plurality of mesa structures on one surface thereof to enable unidirectional assembly in a fluid. Further, a transparent electrode layer can be formed on the one surface including the mesa structures to improve luminous efficiency.
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公开(公告)号：US20190179199A1
公开(公告)日：2019-06-13
申请号：US16279163
申请日：2019-02-19
Applicant: LG ELECTRONICS INC.
Inventor： Yongjin KIM , Munheon HONG , Chilkeun PARK , Sangcheon KIM , Mangeun KIM
IPC: G02F1/1335 , F21V7/00 , F21V11/16
CPC classification number: G02F1/133606 , F21V7/00 , F21V7/0025 , F21V11/16 , F21Y2105/00 , G02B6/0055 , G02B6/0061 , G02B6/0096 , G02F1/133603 , G02F1/133605 , G02F1/133611 , G02F2001/133388 , G02F2001/133612 , G02F2001/133613 , G02F2001/133614 , G02F2202/28
Abstract: A display device includes a lower cover; a circuit substrate disposed on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate; a light regulator disposed at an edge of the reflection layer at an angle with respect to the reflection layer; and an optical sheet disposed on the light sources. Further, the light regulator includes absorber portions and reflector portions located between the absorber portions, the absorber portion is located in a portion of the light regulator corresponding to an outermost light source, and the reflector portion is located in a portion of the light regulator corresponding to an inner light source inwardly located than the outermost light source.
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公开(公告)号：US20190113807A1
公开(公告)日：2019-04-18
申请号：US16218816
申请日：2018-12-13
Applicant: LG ELECTRONICS INC.
Inventor： Yongjin KIM , Munheon HONG , Chilkeun PARK , Sangcheon KIM , Mangeun KIM
IPC: G02F1/1335 , F21V7/00 , F21V11/16
Abstract: A lighting device includes a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an angle with respect to the reflection layer. Further, a first area at a corner of the reflection layer absorb more light emitted from the light sources than second areas neighboring the first area; and an optical sheet disposed on the light sources.
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