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公开(公告)号：US12021170B2
公开(公告)日：2024-06-25
申请号：US17261370
申请日：2019-01-18
发明人： Xinxing Li , Tae Jin Kong , Myeong Hee Kim , Je Won Yoo , Hyun Deok Im , Baek Hyeon Lim
IPC分类号： H01L33/38 , H01L25/075 , H01L33/20 , H01L33/44
CPC分类号： H01L33/38 , H01L25/0753 , H01L33/20 , H01L33/44 , H01L2933/0016
摘要： A light emitting device may include: a substrate including emission areas; a first electrode disposed on the substrate, and a second electrode spaced apart from the first electrode; at least one light emitting element disposed on the substrate, and including a first end and a second end; an insulating layer disposed on the light emitting element and allowing the first and second ends of the light emitting element to be exposed; a first contact electrode electrically connecting the first electrode with the first end of the light emitting element; a second contact electrode electrically connecting the second electrode with the second end of the light emitting element; and a passivation pattern disposed on each of the first and second contact electrodes. The first and second contact electrodes may be disposed on the insulating layer and spaced apart from each other and may be electrically separated from each other.
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公开(公告)号：US11728196B2
公开(公告)日：2023-08-15
申请号：US17191018
申请日：2021-03-03
发明人： Won Ho Lee , Buem Joon Kim , Jong Hyuk Kang , Hyun Deok Im , Chung Sic Choi
IPC分类号： H01L21/68 , H01L21/67 , H01L23/00 , B41J2/095 , H01L25/075
CPC分类号： H01L21/68 , H01L21/6715 , H01L24/75 , H01L25/0753 , B41J2/095 , H01L2224/759 , H01L2224/75251 , H01L2224/75252 , H01L2224/75283 , H01L2224/75501 , H01L2224/75655 , H01L2224/75701 , H01L2924/12041
摘要： An apparatus for aligning dipoles is provided. The apparatus includes: an electric field forming unit including a stage and a probe unit, the probe unit being configured to form an electric field on the stage; an inkjet printing device including an inkjet head, the inkjet head being configured to spray ink including a solvent and dipoles dispersed in the solvent onto the stage; a light irradiation device configured to irradiate light onto the stage; and a temperature control device including a temperature control unit, the temperature control unit being configured to control a temperature of the solvent sprayed on the stage.
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公开(公告)号：US20210193885A1
公开(公告)日：2021-06-24
申请号：US17195428
申请日：2021-03-08
发明人： Hyun Deok Im , Jong Hyuk Kang , Dae Hyun Kim , Joo Yeol Lee , Hyun Min Cho
摘要： A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.
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公开(公告)号：US10944029B2
公开(公告)日：2021-03-09
申请号：US16805880
申请日：2020-03-02
发明人： Hyun Deok Im , Jong Hyuk Kang , Dae Hyun Kim , Joo Yeol Lee , Hyun Min Cho
IPC分类号： H01L33/52 , H01L33/38 , H01L33/48 , H01L33/56 , H01L33/58 , H01L25/075 , H01L25/16 , H01L27/12 , H01L33/20 , H01L33/32 , H01L33/54 , H01L33/62
摘要： A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.
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公开(公告)号：US20190326474A1
公开(公告)日：2019-10-24
申请号：US16456821
申请日：2019-06-28
发明人： Dae Hyun KIM , Jong Hyuk Kang , Joo Yeol Lee , Hyun Deok Im , Chi O Cho , Hyun Min Cho
摘要： A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.
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公开(公告)号：US10269865B2
公开(公告)日：2019-04-23
申请号：US16018054
申请日：2018-06-26
发明人： Jong Hyuk Kang , Hyun Min Cho , Dae Hyun Kim , Joo Yeol Lee , Hyun Deok Im
IPC分类号： H01J1/62 , H01L27/15 , H01L33/00 , H01L33/40 , F21K9/68 , H01L25/075 , H01L33/60 , H01L33/62
摘要： A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.
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7.发明授权公开(公告)号：US12132140B2
公开(公告)日：2024-10-29
申请号：US17476993
申请日：2021-09-16
发明人： Hyo Jin Ko , Duk Ki Kim , Yong Hwi Kim , Jun Bo Sim , Na Mi Hong , Jong Hyuk Kang , Gyu Bong Kim , Hoi Lim Kim , Sae Na Yun , Chang Hee Lee , Hyun Deok Im , Eun A Cho , Jae Kook Ha
IPC分类号： H01L33/00 , B82B3/00 , C09D11/033 , C09D11/50 , C09D11/52 , H01L27/15 , H01L33/24 , H01L33/38 , H01L33/44
CPC分类号： H01L33/005 , B82B3/0052 , C09D11/033 , C09D11/50 , C09D11/52 , H01L27/156 , H01L33/24 , H01L33/38 , H01L33/44 , H01L2933/0016
摘要： An ink includes a solvent, and light-emitting elements dispersed in the solvent, each of the light-emitting elements comprising semiconductor layers and an insulating film partially surrounding outer surfaces of the semiconductor layers, wherein the solvent has Hansen solubility parameters of a polarity parameter between about 4 and about 9 and a hydrogen bonding parameter between about 6 and about 11.
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公开(公告)号：US12074256B2
公开(公告)日：2024-08-27
申请号：US17284345
申请日：2019-04-10
发明人： Hyun Deok Im , Jong Hyuk Kang , Dae Hyun Kim , Hyun Min Cho , Dong Hyun Kim
IPC分类号： H01L33/38 , H01L25/075 , H01L25/16 , H01L33/62
CPC分类号： H01L33/38 , H01L25/0753 , H01L25/167 , H01L33/62 , H01L2933/0066
摘要： A light emitting device may include at least one first electrode and at least one second electrode disposed on different layers on a substrate; a first insulating layer disposed between the first electrode and the second electrode; and at least one light emitting diode electrically connected between the at least one first electrode and the second electrode.
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公开(公告)号：US11949044B2
公开(公告)日：2024-04-02
申请号：US17494654
申请日：2021-10-05
发明人： Buem Joon Kim , Hyun Deok Im
IPC分类号： H01L33/36 , H01L21/68 , H01L25/075
CPC分类号： H01L33/36 , H01L21/68 , H01L25/0753 , H01L2221/68309 , H01L2933/0016
摘要： A display device and a method of manufacturing the same are provided. The display device includes a first alignment electrode and a second alignment electrode spaced apart from each other, a light emitting element between the first alignment electrode and the second alignment electrode, a first auxiliary electrode at a first side of the light emitting element in a plan view, and separated from the first alignment electrode, and a second auxiliary electrode at a second side of the light emitting element in a plan view, and separated from the second alignment electrode, wherein an alignment signal is configured to be applied to the first alignment electrode, and wherein a first auxiliary signal of a phase that is different from a phase of the alignment signal is configured to be applied to the first auxiliary electrode.
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公开(公告)号：US11842681B2
公开(公告)日：2023-12-12
申请号：US17384556
申请日：2021-07-23
发明人： Hyun Min Cho , Sung Chul Kim , Dae Hyun Kim , Hye Yong Chu , Jong Hyuk Kang , Keun Kyu Song , Joo Yeol Lee , Bek Hyun Lim , Hyun Deok Im
IPC分类号： G09G3/3233 , H01L33/20 , H01L33/00 , H01L33/44 , H01L33/52 , H01L33/38 , H01L25/075 , H01L25/16 , H05B45/40 , H01L33/62
CPC分类号： G09G3/3233 , H01L25/0753 , H01L25/167 , H01L33/0095 , H01L33/20 , H01L33/38 , H01L33/44 , H01L33/52 , H05B45/40 , H01L33/62
摘要： A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.
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