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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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2.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：US20230253387A1
公开(公告)日：2023-08-10
申请号：US18014900
申请日：2020-07-08
Applicant: LG ELECTRONICS INC.
Inventor： Yonghan LEE
CPC classification number: H01L25/167 , G09G3/32 , G09G2300/0408 , G09G2310/0281
Abstract: The present disclosure relates to a display apparatus using a semiconductor light-emitting device, the display apparatus comprising: a base substrate; a row driver which provides 3-state first signals including a high, a ground, and a low signal; a column driver which provides 2-state second signals including a high and a low signal; and a plurality of semiconductor light-emitting devices provided on the base substrate, wherein the plurality of semiconductor light-emitting devices include a first semiconductor light-emitting device and a second semiconductor light-emitting device which are connected to the row driver and the column driver in different pole directions.
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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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公开(公告)号：US20240379922A1
公开(公告)日：2024-11-14
申请号：US18439531
申请日：2024-02-12
Applicant: LG ELECTRONICS INC.
Inventor： Hwanjoon CHOI , Yonghan LEE , Byungjoon RHEE
Abstract: The present disclosure is applicable to a technical field related to a display device, and, for example, relates to a display device using a micro light emitting diode (LED). The present disclosure includes a first layer including a terminal, a second layer (a driving layer) located adjacent to the first layer and including a driving chip, a third layer (a light-emitting layer) located adjacent to the second layer, wherein the third layer includes light-emitting elements, wherein each light-emitting element at least partially overlaps the driving chip in a connection direction of the first layer and the second layer and constitutes a unit subpixel, and a fourth layer located adjacent to the third layer, wherein light emitted from the light-emitting elements passes through the fourth layer, wherein a first electrode of each of the light-emitting elements is connected to a first end of the driving chip and a second end of the driving chip is connected to the terminal.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20210408333A1
公开(公告)日：2021-12-30
申请号：US17288180
申请日：2019-10-08
Applicant: LG ELECTRONICS INC.
Inventor： Hwanjoon CHOI , Yonghan LEE
Abstract: 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.
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公开(公告)号：US20190245120A1
公开(公告)日：2019-08-08
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
CPC classification number: H01L33/504 , H01L25/0753 , H01L33/00 , H01L33/50 , H01L33/58 , H01L33/60 , H01L2933/0041 , H05B33/10 , H05B33/12
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.
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公开(公告)号：US20160342233A1
公开(公告)日：2016-11-24
申请号：US15149516
申请日：2016-05-09
Applicant: LG ELECTRONICS INC.
Inventor： Soobeom LEE , Yonghan LEE
IPC: G06F3/042 , G02F1/1333 , G09G3/36
CPC classification number: G06F3/042 , G06F3/041 , G06F3/044 , G06F2203/04102 , G06F2203/04103 , G06F2203/04109 , G09G3/3622 , G09G3/3648
Abstract: A display device including a display unit including a plurality of semiconductor light emitting diodes electrically-connected to a plurality of scan lines; a touch sensor including a plurality of sensing regions, and overlapping the plurality of semiconductor light emitting diodes; and a controller configured to sequentially supply a current to a predetermined number of scan lines among the plurality of scan lines, and turn on predetermined semiconductor light emitting diodes electrically-connected to the predetermined number of scan lines, sense a touch input on a second sensing region not overlapped with the turned-on predetermined semiconductor light emitting diodes, and not sense the touch input on a first sensing region overlapped with the turned-on predetermined semiconductor light emitting diodes.
Abstract translation: 一种显示装置，包括：显示单元，包括电连接到多条扫描线的多个半导体发光二极管; 触摸传感器，其包括多个感测区域，并且与所述多个半导体发光二极管重叠; 以及控制器，其被配置为顺序地将电流提供给所述多条扫描线中的预定数量的扫描线，并且接通与预定数量的扫描线电连接的预定半导体发光二极管，在第二感测上感测触摸输入 区域不与开启的预定半导体发光二极管重叠，并且不会感测与所打开的预定半导体发光二极管重叠的第一感测区域上的触摸输入。
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公开(公告)号：US20230326929A1
公开(公告)日：2023-10-12
申请号：US18043256
申请日：2020-08-31
Applicant: LG ELECTRONICS INC.
Inventor： Hwanjoon CHOI , Yonghan LEE
IPC: H01L27/12
CPC classification number: H01L27/124 , H01L25/0753
Abstract: The present invention relates to a display device, using semiconductor light-emitting diodes, comprising: a wiring board which comprises a row line for providing a row signal, a column line for providing a column signal, a VCC line connected to a VCC input terminal, and a VDD line connected to a VDD input terminal; and an interposer which is provided on the wiring board, has pixels, comprising semiconductor light-emitting diodes, along a plurality of rows and columns, and comprises IC chips for controlling the pixel light emission. The interposer comprises: a first terminal connected to the row line and for transmitting the row signal to the IC chips; a second terminal connected to the column line and for transmitting the column signal to the IC chips; a third terminal connected to the VCC line and connecting the VCC input terminal and the IC chips; and a fourth terminal connected to the VDD line and connecting the VDD input terminal and the IC chips.
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公开(公告)号：US20230253386A1
公开(公告)日：2023-08-10
申请号：US18004646
申请日：2020-07-08
Applicant: LG ELECTRONICS INC.
Inventor： Yonghan LEE
CPC classification number: H01L25/167 , H01L33/62 , G09G3/32 , G09G2300/06 , G09G2300/0426
Abstract: The present disclosure relates to a display apparatus using a semiconductor light-emitting device, the display apparatus comprising: a base substrate; a row driver which provides 3-state first signals including a high, a ground, and a low signal; a column driver which provides 2-state second signals including a high and a low signal; and a plurality of semiconductor light-emitting devices provided on the base substrate, wherein the plurality of semiconductor light-emitting devices include a first semiconductor light-emitting device and a second semiconductor light-emitting device which are connected to the row driver and the column driver in different pole directions.
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