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1.发明公开公开(公告)号：US20240014346A1
公开(公告)日：2024-01-11
申请号：US18246125
申请日：2020-09-24
Applicant: LG ELECTRONICS INC.
Inventor： Yonghan LEE , Yoonyoung CHOI , Hwanjoon CHOI
CPC classification number: H01L33/08 , H01L33/44 , H01L33/007 , H01L33/0095 , H01L33/0075 , H01L33/06 , H01L27/156 , H01L25/0753 , H01L2933/0025 , H01L33/0093
Abstract: The present invention is applicable to display device-related technical fields and may provide a transfer substrate in which multiple semiconductor light-emitting elements of a first color and a light conversion layer formed on at least a portion of the semiconductor light-emitting elements to convert the first color into a second color or a third color are formed, the transfer substrate comprising: multiple unit pixels including one light-emitting element among the multiple semiconductor light-emitting elements; and a pixel including at least one of the multiple unit pixels, wherein the pixel includes a first pixel and a second pixel adjacent to each other and the light conversion layer of the unit pixel disposed at a position adjacent to the first pixel and the second pixel includes a light-emitting element which converts the first color into the same color.
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公开(公告)号：US20220262987A1
公开(公告)日：2022-08-18
申请号：US17738712
申请日：2022-05-06
Applicant: LG ELECTRONICS INC.
Inventor： Hwanjoon CHOI , Yonghan LEE
Abstract: Discussed is a display device having a plurality of semiconductor light emitting elements mounted on a substrate, wherein at least one of the semiconductor light emitting elements includes a first electrode and a second electrode spaced apart each other, a first conductivity type semiconductor layer disposed with the first electrode, a second conductivity type semiconductor layer configured to overlap with the first conductivity type semiconductor layer, and disposed with the second electrode, a first passivation layer covering outer surfaces of the first conductivity type semiconductor layer and the second conductivity type semiconductor layer, and a second passivation layer covering the first passivation layer, wherein at least one portion of the second electrode is overlapped with at least one portion of the first electrode along the thickness direction of the semiconductor light emitting element.
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3.发明申请DISPLAY DEVICE USING SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME 有权使用半导体发光装置的显示装置及其制造方法公开(公告)号：US20160293805A1
公开(公告)日：2016-10-06
申请号：US14857563
申请日：2015-09-17
Applicant: LG ELECTRONICS INC.
Inventor： Hwanjoon CHOI
CPC classification number: H01L33/50 , H01L25/0753 , H01L33/08 , H01L33/504 , H01L33/505 , H01L33/507 , H01L33/62 , H01L2224/95 , H01L2924/181 , H01L2933/0041 , H01L2924/00012
Abstract: A display device including a plurality of semiconductor light emitting devices mounted on a substrate, and a phosphor layer including a plurality of phosphor portions configured to convert a wavelength of light and a plurality of partition wall portions formed between the plurality of phosphor portions. Further, a least one of the plurality of partition wall portions overlaps with at least one of the plurality of semiconductor light emitting devices along a thickness direction of the phosphor layer.
Abstract translation: 一种显示装置，包括安装在基板上的多个半导体发光器件，以及包括多个荧光体部分的荧光体层，所述荧光体部分被配置为转换光的波长，以及形成在所述多个荧光体部分之间的多个分隔壁部分。 此外，多个隔壁部分中的至少一个沿着荧光体层的厚度方向与多个半导体发光器件中的至少一个重叠。
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公开(公告)号：US20240413269A1
公开(公告)日：2024-12-12
申请号：US18701014
申请日：2021-10-15
Applicant: LG ELECTRONICS INC.
Inventor： Hwanjoon CHOI
IPC: H01L33/46 , H01L25/075
Abstract: This semiconductor light emitting device includes an emission layer, a passivation layer on the emission layer, and a first adhesive layer on the passivation layer. The passivation layer may include a plurality of grooves, and the first adhesive layer may be disposed in each of the plurality of grooves. Arranging the first adhesive layer in the plurality of grooves may enhance fixability. The display device includes a plurality of semiconductor light emitting devices. The semiconductor light emitting devices may include a horizontal semiconductor light emitting device, a flip chip semiconductor light emitting device, or a vertical semiconductor light emitting device.
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5.发明公开公开(公告)号：US20240038940A1
公开(公告)日：2024-02-01
申请号：US18022300
申请日：2020-08-20
Applicant: LG ELECTRONICS INC.
Inventor： Hwanjoon CHOI
CPC classification number: H01L33/50 , G02B5/003 , H01L25/0753
Abstract: The present invention is applicable to a technical field related to display apparatuses, and the present invention relates to a transfer substrate that transfers a phosphor onto a semiconductor light-emitting device, in which the transfer substrate may comprise: a temporary substrate; a unit phosphor structure which is provided on the temporary substrate and comprises a color filter, a phosphor stacked on the color filter, and a phosphor binder for fixing the phosphor; and a light-absorption layer, which is an inorganic layer provided between the temporary substrate and the color filter, and absorbs light to separate the unit phosphor structure from the temporary substrate.
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Patent Agency Ranking
公开(公告)号：US20230411575A1
公开(公告)日：2023-12-21
申请号：US18036358
申请日：2020-11-10
Applicant: LG ELECTRONICS INC.
Inventor： Kyoungtae WI , Byungjoon RHEE , Hwanjoon CHOI
IPC: H01L33/62 , H01L25/075 , H01L33/38
CPC classification number: H01L33/62 , H01L25/0753 , H01L2933/0016 , H01L2933/0066 , H01L33/38
Abstract: Disclosed are a display device using a semiconductor light emitting element, and a method for manufacturing same. In order to achieve the above objective, the display device according to an embodiment of the present disclosure may comprise: a wiring substrate; wiring electrodes at least partially placed on the wiring substrate; light emitting elements each electrically connected to a wiring electrode corresponding thereto, among the wiring electrodes; adhesive patterns having an adhesive property for bonding the wiring electrodes and the light emitting elements and a transfer property required for transferring the light emitting elements to the wiring electrodes, wherein each of the adhesive patterns may be formed for at least one combined pair formed by a wiring electrode and a light emitting element electrically connected to each other, among the wiring electrodes and the light emitting elements, and the adhesive patterns are formed to be spaced apart from each other.
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7.发明申请公开(公告)号：US20190304346A1
公开(公告)日：2019-10-03
申请号：US16335616
申请日：2016-09-22
Applicant: LG ELECTRONICS INC.
Inventor： Hwanjoon CHOI
Abstract: The present invention relates to a display apparatus and, particularly, to a display apparatus using a semiconductor light emitting device. A display apparatus according to the present invention comprises: a substrate including a wiring electrode formed therein; a plurality of semiconductor light emitting devices electrically connected to the wiring electrode; a plurality of phosphor layers for converting wavelengths of light; a plurality of partition parts disposed among the plurality of phosphor layers; a wavelength converting layer disposed to cover the plurality of semiconductor light emitting devices; a color filter disposed to cover the wavelength converting layer; and an adhesive layer disposed between the color filter and the wavelength converting layer, wherein at least one of the plurality of partition parts includes metal thin films and a light transmitting material disposed in a space between the metal thin films, and the adhesive layer is formed to fill at least a part of the space between the metal thin films.
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公开(公告)号：US20170200765A1
公开(公告)日：2017-07-13
申请号：US15208752
申请日：2016-07-13
Applicant: LG ELECTRONICS INC.
Inventor： Hwanjoon CHOI , Yonghan LEE , Sungjin PARK
CPC classification number: H01L33/504 , H01L25/0753 , H01L33/60 , H01L33/62 , H01L2933/0041 , H01L2933/0066
Abstract: A display device include a substrate including a wiring electrode; an adhesive layer disposed on the substrate; a plurality of semiconductor light emitting devices adhered to the adhesive layer, and electrically connected to the wiring electrode; and a phosphor layer disposed to cover the plurality of semiconductor light emitting devices. Further, the phosphor layer includes a plurality of phosphor portions for converting a wavelength of light, and a plurality of partition wall portions formed between the plurality of phosphor portions, and the plurality of partition wall portions are sequentially disposed between the phosphor portions along a first direction and a second direction crossing each other, respectively, and at least one of the sequentially disposed partition wall portions overlaps with at least one of the plurality of semiconductor light emitting devices.
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公开(公告)号：US20220336712A1
公开(公告)日：2022-10-20
申请号：US17619162
申请日：2019-06-21
Applicant: LG ELECTRONICS INC.
Inventor： Hwanjoon CHOI
IPC: H01L33/44 , H01L33/22 , H01L25/075
Abstract: A semiconductor light emitting element for a display device can include a semiconductor light emitting structure including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer; and a light extraction structure disposed on top of the second conductivity type semiconductor layer of the semiconductor light emitting structure, in which the light extraction structure includes a plurality of organic protrusions protruding in a vertical direction of the second conductivity type semiconductor layer; and a surface roughness pattern formed on at least a portion of a top surface of the second conductivity type semiconductor layer, and at least one of the plurality of organic protrusions contains nanoparticles positioned at an end of the at least one of the plurality of organic protrusions and an organic component supporting the nanoparticles.
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10.发明申请公开(公告)号：US20200058838A1
公开(公告)日：2020-02-20
申请号：US16461282
申请日：2016-12-27
Applicant: LG ELECTRONICS INC.
Inventor： Hwanjoon CHOI , Kyoungtae WI
Abstract: The present invention relates to a display apparatus using a semiconductor light emitting device and a manufacturing method therefor and, more specifically, to a display apparatus using a semiconductor light emitting device. The display apparatus according to the present invention comprises: a wiring board which comprises a wiring electrode; a conductive adhesive layer which covers the wiring electrode; and a plurality of semiconductor light emitting devices which are coupled to the conductive adhesive layer and are electrically connected to the wiring electrode, wherein the conductive adhesive layer is applied in a patterned form on each electrode of the semiconductor light emitting devices such that a plurality of adhesive regions are provided spaced apart from each other on the wiring board.
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