公开(公告)号：US20240014346A1

公开(公告)日：2024-01-11

申请号：US18246125

申请日：2020-09-24

申请人： LG ELECTRONICS INC.

发明人： Yonghan LEE ,  Yoonyoung CHOI ,  Hwanjoon CHOI

IPC分类号： H01L33/08 ,  H01L33/44 ,  H01L33/00 ,  H01L33/06 ,  H01L27/15 ,  H01L25/075

CPC分类号： H01L33/08 ,  H01L33/44 ,  H01L33/007 ,  H01L33/0095 ,  H01L33/0075 ,  H01L33/06 ,  H01L27/156 ,  H01L25/0753 ,  H01L2933/0025 ,  H01L33/0093

摘要： 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.

公开(公告)号：US20220262987A1

公开(公告)日：2022-08-18

申请号：US17738712

申请日：2022-05-06

申请人： LG ELECTRONICS INC.

发明人： Hwanjoon CHOI ,  Yonghan LEE

IPC分类号： H01L33/44 ,  H01L27/15 ,  H01L33/38 ,  G09F9/30 ,  H05B33/12 ,  H01L33/36 ,  H05B33/10

摘要： 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.

公开(公告)号：US20160293805A1

公开(公告)日：2016-10-06

申请号：US14857563

申请日：2015-09-17

申请人： LG ELECTRONICS INC.

发明人： Hwanjoon CHOI

IPC分类号： H01L33/50 ,  H01L33/08

CPC分类号： H01L33/50 ,  H01L25/0753 ,  H01L33/08 ,  H01L33/504 ,  H01L33/505 ,  H01L33/507 ,  H01L33/62 ,  H01L2224/95 ,  H01L2924/181 ,  H01L2933/0041 ,  H01L2924/00012

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20220406982A1

公开(公告)日：2022-12-22

申请号：US17780192

申请日：2020-02-10

申请人： LG ELECTRONICS INC.

发明人： Hwanjoon CHOI

IPC分类号： H01L33/62 ,  H01L25/075 ,  H01L23/00

摘要： The present invention provides a display device comprising: a substrate; a wiring electrode disposed on the substrate; a plurality of semiconductor light emitting elements each provided with a conductive electrode electrically connected to the wiring electrode; and an anisotropic conductive layer which is disposed between the conductive electrodes and the wiring electrode and formed of a mixture of conductive particles and an insulating material, wherein the conductive electrodes are provided with a protrusion part protruding toward the wiring electrode.

公开(公告)号：US20210408333A1

公开(公告)日：2021-12-30

申请号：US17288180

申请日：2019-10-08

申请人： LG ELECTRONICS INC.

发明人： Hwanjoon CHOI ,  Yonghan LEE

IPC分类号： H01L33/38 ,  H01L33/62 ,  H01L33/00 ,  H01L27/15

摘要： Discussed is a display device including: a substrate; a plurality of semiconductor light emitting devices arranged on the substrate; a first electrode arranged on the substrate, and electrically connected to the plurality of semiconductor light emitting devices at a lower side of the plurality of semiconductor light emitting devices; a second electrode electrically connected to the plurality of semiconductor light emitting devices at an upper side of the plurality semiconductor light emitting devices; and a plurality of partition walls arranged at the upper side of the plurality of semiconductor light emitting devices, and arranged between the plurality of semiconductor light emitting devices, wherein the substrate is formed of a light transmissive material, and wherein the plurality of partition walls have a width decreased as they become far from the substrate.

公开(公告)号：US20190245120A1

公开(公告)日：2019-08-08

申请号：US16331936

申请日：2016-11-16

申请人： LG ELECTRONICS INC.

发明人： Hwanjoon CHOI ,  Yonghan LEE

IPC分类号： H01L33/50 ,  H01L25/075 ,  H01L33/60

CPC分类号： H01L33/504 ,  H01L25/0753 ,  H01L33/00 ,  H01L33/50 ,  H01L33/58 ,  H01L33/60 ,  H01L2933/0041 ,  H05B33/10 ,  H05B33/12

摘要： 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：US20240038940A1

公开(公告)日：2024-02-01

申请号：US18022300

申请日：2020-08-20

申请人： LG ELECTRONICS INC.

发明人： Hwanjoon CHOI

IPC分类号： H01L33/50 ,  G02B5/00

CPC分类号： H01L33/50 ,  G02B5/003 ,  H01L25/0753

摘要： 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.

公开(公告)号：US20230411575A1

公开(公告)日：2023-12-21

申请号：US18036358

申请日：2020-11-10

申请人： LG ELECTRONICS INC.

发明人： Kyoungtae WI ,  Byungjoon RHEE ,  Hwanjoon CHOI

IPC分类号： H01L33/62 ,  H01L25/075 ,  H01L33/38

CPC分类号： H01L33/62 ,  H01L25/0753 ,  H01L2933/0016 ,  H01L2933/0066 ,  H01L33/38

摘要： 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.

公开(公告)号：US20190304346A1

公开(公告)日：2019-10-03

申请号：US16335616

申请日：2016-09-22

申请人： LG ELECTRONICS INC.

发明人： Hwanjoon CHOI

IPC分类号： G09F9/33 ,  G09G3/32 ,  G09G3/20 ,  G09F9/30

摘要： 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.

公开(公告)号：US20170200765A1

公开(公告)日：2017-07-13

申请号：US15208752

申请日：2016-07-13

申请人： LG ELECTRONICS INC.

发明人： Hwanjoon CHOI ,  Yonghan LEE ,  Sungjin PARK

IPC分类号： H01L27/15 ,  H01L33/60 ,  H01L33/62 ,  H01L33/50

CPC分类号： H01L33/504 ,  H01L25/0753 ,  H01L33/60 ,  H01L33/62 ,  H01L2933/0041 ,  H01L2933/0066

摘要： 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.