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公开(公告)号：US20190295996A1
公开(公告)日：2019-09-26
申请号：US16465011
申请日：2017-01-31
Applicant: LG ELECTRONICS INC.
Inventor： Sangdae PARK , Sungjin PARK , Hwankuk YUH , Sunju LEE
IPC: H01L25/075 , H01L33/50 , H01L33/58 , H01L33/60 , H01L33/62 , H01L23/538 , H01L33/00
Abstract: The present invention relates to a display device, and more particularly, to a display device using a semiconductor light-emitting diode. The display device according to the present invention comprises: a substrate having a wiring electrode formed thereon; a plurality of semiconductor light-emitting diodes electrically connected to the wiring electrode; an insulating layer provided to fill space between the semiconductor light-emitting diodes; a polarizing filter layer which is overlapped on the insulating layer and filters light incident into a specific direction; and a wavelength conversion layer which is overlapped on the polarizing filter layer and provided to convert the wavelength of light.
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公开(公告)号：US20180122837A1
公开(公告)日：2018-05-03
申请号：US15797835
申请日：2017-10-30
Applicant: LG Display Co., Ltd. , LG INNOTEK Co., Ltd. , LG Electronics Inc.
Inventor： HanSaem KANG , HyeonHo SON , KyungHan SEO , Sangyoul LEE , Hwankuk YUH , Seung Ouk NOH
CPC classification number: H01L27/1248 , H01L25/0753 , H01L27/124 , H01L33/38
Abstract: Disclosed is a light emitting diode display device in which a time taken in a process of connecting a light emitting device to a pixel circuit is shortened. The light emitting diode display device includes a thin film transistor (TFT) array substrate including a concave portion and a light emitting device disposed in the concave portion. The light emitting device includes a first electrode and a second electrode. The light emitting device further includes a first portion, including the first and second electrodes, and a second portion opposite to the first portion, and a distance between the first portion to a floor surface of the concave portion is greater than a distance between the second portion to the floor surface of the concave portion.
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公开(公告)号：US20160099383A1
公开(公告)日：2016-04-07
申请号：US14830508
申请日：2015-08-19
Applicant: LG Electronics Inc.
Inventor： Hwankuk YUH
CPC classification number: H01L33/385 , H01L24/03 , H01L25/0753 , H01L29/40 , H01L33/0079 , H01L33/0095 , H01L33/20 , H01L33/382 , H01L33/42 , H01L33/44 , H01L33/62 , H01L2224/03001 , H01L2933/0016
Abstract: A semiconductor device including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer which are sequentially stacked; a first conductivity type upper electrode portion and a first conductivity type lower electrode portion disposed to correspond to each other with the first conductivity type semiconductor layer interposed therebetween; a second conductivity type upper electrode portion and a second conductivity type lower electrode portion disposed to correspond to each other with the first and second conductivity type semiconductor layers interposed therebetween; and a second conductivity type electrode connection portion electrically connecting the second conductivity type upper electrode portion and the second conductivity type lower electrode portion.
Abstract translation: 一种半导体器件，包括依次堆叠的第一导电类型半导体层，有源层和第二导电类型半导体层; 第一导电类型上电极部分和第一导电类型下电极部分，设置成彼此对应，第一导电类型半导体层插入其间; 第二导电类型上电极部分和第二导电类型下电极部分，其设置成彼此对应，第一和第二导电类型半导体层插入其间; 以及电连接第二导电型上电极部和第二导电型下电极部的第二导电型电极连接部。
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公开(公告)号：US20240332254A1
公开(公告)日：2024-10-03
申请号：US18622384
申请日：2024-03-29
Applicant: LG ELECTRONICS INC.
Inventor： Sangdae PARK , Dohyung LEE , Sungguk LEE , Hwankuk YUH
IPC: H01L25/065 , H01L25/075 , H01L27/12
CPC classification number: H01L25/0652 , H01L25/0753 , H01L27/124
Abstract: A display device including a semiconductor light emitting device according to an embodiment can include a substrate; a transistor disposed on the substrate; a barrier wall disposed on the transistor and having an assembly hole; a semiconductor light emitting device disposed within the assembly hole; an insulating layer disposed on the semiconductor light emitting device and having a contact hole; and a first transparent connection electrode disposed on the insulating layer and electrically connecting the semiconductor light emitting device and the transistor, and the first transparent connection electrode may include a recess pattern disposed in the contact hole.
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公开(公告)号：US20230290916A1
公开(公告)日：2023-09-14
申请号：US18014012
申请日：2020-07-03
Applicant: LG ELECTRONICS INC.
Inventor： Jaegwang UM , Dohyung LEE , Sungguk LEE , Sangdae PARK , Hwankuk YUH , Sunju LEE
IPC: H01L33/62 , H01L25/075 , H01L25/16 , H01L27/12
CPC classification number: H01L33/62 , H01L25/0753 , H01L25/167 , H01L27/124
Abstract: The present invention is applicable to a display device-related technical field, and relates to, for example, a display device using a micro light-emitting diode (LED). The present invention provides the display device using an LED, wherein the display device may comprise: a thin film transistor (TFT) substrate including a TFT for driving an active matrix and a connection pad connected to the TFT; a light-emitting package including a unit pixel disposed on the TFT substrate and electrically connected to the connection pad, and including a transparent resin layer, a wiring layer positioned on the TFT substrate, and at least one LED positioned between the TFT substrate and the transparent resin layer, electrically connected to the wiring layer, and each forming a sub-pixel; and connection wiring electrically connecting the wiring layer and the connection pad to each other.
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Patent Agency Ranking
公开(公告)号：US20180240937A1
公开(公告)日：2018-08-23
申请号：US15751970
申请日：2016-08-22
Applicant: LG ELECTRONICS INC.
Inventor： Changseo PARK , Kiseong JEON , Jinhong PARK , Hwankuk YUH
CPC classification number: H01L33/08 , H01L25/0753 , H01L33/382 , H01L33/44 , H01L33/502 , H01L33/62 , H05B33/10 , H05B33/14 , H05B33/22 , H05K1/111 , H05K2201/0145 , Y02B20/42 , Y02B20/48
Abstract: The present invention relates to a display device and, in particular, to a display device using a semiconductor light emitting diode. A display device according to the present invention comprises a substrate having a plurality of metal pads; and a plurality of semiconductor light emitting diodes electrically connected to the metal pads through self-assembly. The present invention is characterized in that: the semiconductor light emitting diodes respectively include a conductive semiconductor layer, a conductive electrode formed on one surface of the conductive semiconductor layer, and a passivation layer enclosing the semiconductor light emitting diode and provided with a through hole for exposing the conductive electrode; one end portion of the semiconductor light emitting diodes is divided into a first portion in which the conductive electrode is exposed, and a second portion in which the passivation layer is exposed; and the maximum width of the metal pad is set to a range of the width to twice the width of the second portion.
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公开(公告)号：US20230307597A1
公开(公告)日：2023-09-28
申请号：US18013744
申请日：2020-07-03
Applicant: LG ELECTRONICS INC.
Inventor： Jaegwang UM , Dohyung LEE , Sangdae PARK , Hwankuk YUH
IPC: H01L33/62 , H01L25/075 , H01L25/16 , H01L27/12 , G02F1/13357
CPC classification number: H01L33/62 , H01L25/0753 , H01L25/167 , H01L27/124 , G02F1/133603
Abstract: The present invention can be applied to the technical field of display devices, and relates to a display device using, for example, a micro light emitting diode (LED). A display device using a light emitting diode according to the present invention may comprise: a thin film transistor (TFT) substrate which includes a TFT for driving an active matrix and a connection pad connected to the TFT; a light emitting package including a unit pixel which is positioned on the TFT substrate and electrically connected to the connection pad, wherein the light emitting package includes a transparent resin layer, a wiring layer positioned on the TFT substrate, and at least two light emitting diodes which are connected to each other in series and are each positioned between the TFT substrate and the transparent resin layer and electrically connected to the wiring layer to form a sub pixel; and a connection wire electrically connecting the wiring layer and the connection pad.
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公开(公告)号：US20230290918A1
公开(公告)日：2023-09-14
申请号：US18018493
申请日：2020-08-06
Applicant: LG ELECTRONICS INC.
Inventor： Sungguk LEE , Dohyung LEE , Sangdae PARK , Hwankuk YUH , Jaegwang UM
IPC: H01L33/62 , H01L25/075
CPC classification number: H01L33/62 , H01L25/0753
Abstract: Provided is a display device. The display device includes a substrate, a display panel including a display disposed on a front surface of the substrate and a flexible base material extending from the display to surround a portion of each of a side surface and a rear surface of the substrate, and a support layer disposed between the side surface of the substrate and the flexible base material to support the flexible base material. The flexible base material includes: a pair of curved portions spaced apart from the support layer and a side cover portion that is configured to connect the pair of curved portions to each other and is in contact with the support layer.
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9.发明公开公开(公告)号：US20230207739A1
公开(公告)日：2023-06-29
申请号：US17996211
申请日：2020-04-13
Applicant: LG ELECTRONICS INC.
Inventor： Sangdae PARK , Dohyung LEE , Sungguk LEE , Hwankuk YUH , Jaegwang UM
CPC classification number: H01L33/387 , G09F9/33 , G09F9/3026 , H01L25/0753 , H01L33/005 , H01L33/62 , H01L2933/0016 , H01L2933/0066
Abstract: A display device according to an embodiment of the present invention includes a first substrate, a plurality of semiconductor light emitting devices disposed in an array form on an upper surface of the first substrate, a first wiring electrode formed on the upper surface of the first substrate and electrically connected to the plurality of semiconductor light emitting devices, a first electrode pad formed in an area including an upper edge of the first substrate and connected to the first wiring electrode and a side electrode formed on a side surface of the first substrate and having one end in contact with a side surface of the first electrode pad. And a thickness of the first electrode pad can be greater than a thickness of the first wiring electrode.
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10.发明申请公开(公告)号：US20230070225A1
公开(公告)日：2023-03-09
申请号：US17903599
申请日：2022-09-06
Applicant: LG ELECTRONICS INC.
Inventor： Hyungseok BANG , Sukkoo JUNG , Hwankuk YUH , Jaechoon LEE
IPC: H01L33/38 , H01L33/62 , H01L25/075 , H01L33/40
Abstract: The embodiment relates to a semiconductor light emitting device for a display panel and a display device including the same. The semiconductor light emitting device can include a light emitting structure comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, a first electrode layer electrically connected to the first conductivity type semiconductor layer, a second reflective electrode layer electrically connected to the second conductivity-type semiconductor layer, a passivation layer disposed on the light emitting structure, a first reflective electrode layer disposed on a side surface of the light emitting structure. The first reflective electrode layer can include a first-first reflective electrode layer in contact with a side surface of the light emitting structure and a first-second reflective electrode layer connected to the first-first reflective electrode layer and disposed on the passivation layer.
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