公开(公告)号：US11189767B2

公开(公告)日：2021-11-30

申请号：US16461282

申请日：2016-12-27

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon Choi ,  Kyoungtae Wi

IPC: H01L33/62 ,  H01L27/15

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.

公开(公告)号：US11961947B2

公开(公告)日：2024-04-16

申请号：US17349229

申请日：2021-06-16

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon Choi

IPC: H01L33/50 ,  H01L27/146 ,  H10K50/86

CPC classification number: H01L33/502 ,  H01L27/14621 ,  H10K50/865

Abstract: Disclosed herein is a transfer substrate used for manufacturing a display device using a light emitting semiconductor device. The transfer substrate include a base substrate, and a divided unit phosphor structure arranged on the base substrate and transferred onto the light emitting semiconductor device.

公开(公告)号：US11799063B2

公开(公告)日：2023-10-24

申请号：US17511268

申请日：2021-10-26

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon Choi ,  Kyoungtae Wi

IPC: H01L33/62 ,  H01L27/15

CPC classification number: H01L33/62 ,  H01L27/156 ,  H01L2933/0066

Abstract: Discussed is a display apparatus including a wiring board having wiring electrodes; a conductive adhesive layer covering the wiring electrodes; a plurality of semiconductor light emitting devices coupled to the conductive adhesive layer and electrically connected to the wiring electrodes; and an insulating material disposed between the plurality of adhesive regions to fill between the plurality of semiconductor light emitting devices, wherein each electrode of the plurality of semiconductor light emitting devices includes a first conductive electrode, a first conductive semiconductor layer on the first conductive electrode, an active layer on the first conductive semiconductor layer, a second conductive semiconductor layer on the active layer, and a second conductive electrode on the second conductive semiconductor layer, and wherein the second conductive electrode is disposed on one surface of the second conductive semiconductor layer.

公开(公告)号：US11088301B2

公开(公告)日：2021-08-10

申请号：US16331936

申请日：2016-11-16

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon Choi ,  Yonghan Lee

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/60 ,  H05B33/10 ,  H05B33/12 ,  H01L33/00 ,  H01L33/58

Abstract: The present disclosure relates to a display device and, in particular, a display device using a semiconductor light-emitting device. The display device according to the present disclosure comprises: a substrate having a wiring electrode; a plurality of semiconductor light-emitting elements are electrically connected to the wiring electrode; a plurality of fluorescent substance layers for converting a wavelength of light; a wavelength conversion layer having a plurality of light-emitting elements formed from a plurality of fluorescent substance layers, and a color filter disposed so as to cover the wavelength conversion layer, where at least one of the plurality of fluorescent substance layers has a plurality of layers.

公开(公告)号：US10902756B2

公开(公告)日：2021-01-26

申请号：US16335616

申请日：2016-09-22

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon Choi

IPC: H01L25/075 ,  H01L51/52 ,  G02F1/133 ,  G03B21/56 ,  G02B5/02 ,  H01L27/32 ,  G09F9/33 ,  G09F9/30 ,  G09G3/20 ,  G09G3/32 ,  H05B33/12 ,  H01L33/00 ,  H05B33/22

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 has a new type of partition wall structure capable of compensating an adhesive force between a wavelength conversion layer and a color filter in the display apparatus, improving structural reliability while further expanding a filling space of phosphor.

公开(公告)号：US10096750B2

公开(公告)日：2018-10-09

申请号：US15208752

申请日：2016-07-13

Applicant: LG ELECTRONICS INC.

Inventor： Hwanjoon Choi ,  Yonghan Lee ,  Sungjin Park

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/60 ,  H01L33/62

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.