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公开(公告)号：US20240297164A1
公开(公告)日：2024-09-05
申请号：US18461743
申请日：2023-09-06
发明人： Soo Jo OCK , Hyun Deok IM , Buem Joon KIM , Won Ho LEE
IPC分类号： H01L25/16 , H01L25/075 , H01L33/62
CPC分类号： H01L25/167 , H01L25/0753 , H01L33/62 , H01L2933/0066
摘要： A display device includes a base layer including an inner hole, a pixel circuit layer disposed on the base layer and including a pixel circuit, and a light emitting element disposed on the pixel circuit layer.
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公开(公告)号：US20240213411A1
公开(公告)日：2024-06-27
申请号：US18500226
申请日：2023-11-02
发明人： Hyun Deok IM , Buem Joon KIM , Won Ho LEE
CPC分类号： H01L33/385 , G09G3/32 , H01L25/167 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861
摘要： A display device includes: a first light emitting element disposed in a first light emitting area; a second light emitting element disposed in a second light emitting area; a first contact electrode electrically connected to a first end portion of the first light emitting element; a second contact electrode electrically connected to a second end portion of the first light emitting element; a third contact electrode electrically connected to a first end portion of the second light emitting element; and a connection electrode electrically connected to the second contact electrode and bypassing the first contact electrode to be electrically connected to the third contact electrode.
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公开(公告)号：US20220085246A1
公开(公告)日：2022-03-17
申请号：US17411664
申请日：2021-08-25
发明人： Buem Joon KIM , Won Ho LEE , Hyun Deok IM , Jong Hyuk KANG , Eun A CHO
摘要： A display device comprises a substrate, a first electrode and a second electrode disposed on the substrate, a first insulating layer disposed on the first electrode and the second electrode, first light emitting elements disposed on the first insulating layer, a first connection electrode disposed on the first electrode to contact first ends of the first light emitting elements and a second connection electrode disposed on the second electrode to contact second ends of the first light emitting elements, a second insulating layer disposed on the first light emitting elements, the first connection electrode and the second connection electrode, second light emitting elements disposed on the second insulating layer, a third connection electrode disposed on the first connection electrode to contact first ends of the second light emitting elements, and a fourth connection electrode disposed on the second connection electrode to contact second ends of the second light emitting elements.
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公开(公告)号：US20240243228A1
公开(公告)日：2024-07-18
申请号：US18622091
申请日：2024-03-29
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：US20230102417A1
公开(公告)日：2023-03-30
申请号：US17792943
申请日：2021-01-14
发明人： Jae Hoon JUNG , Buem Joon KIM , Hee Yeon YOO , Sung Chan JO , Eun A CHO , Hye Jung HONG , Jong Hyuk KANG , Keun Kyu SONG , Hyun Deok IM , Hyun Min CHO
IPC分类号： C09D11/033 , C09D11/36 , C09D11/50 , H01L51/56 , C09K11/06
摘要： A light emitting element ink includes a light emitting element solvent, and a light emitting element dispersed in the light-emitting diode solvent. The light emitting element includes semiconductor layers and an insulating film surrounding the outer surface of the semiconductor layers, wherein the light-emitting diode solvent is an organic solvent having a pKa value in a range of about 7 to about 15.
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公开(公告)号：US20220130928A1
公开(公告)日：2022-04-28
申请号：US17493714
申请日：2021-10-04
发明人： Hyun Deok IM , Jong Hyuk KANG , Buem Joon KIM , Eun A CHO
IPC分类号： H01L27/32
摘要： A display device includes: a substrate; a bank having a first main opening and sub-openings extending from the first main opening; a first electrode and a second electrode on the first substrate and being spaced apart from each other in a first direction and extending in a second direction; a plurality of light-emitting elements on the first electrode and the second electrode and being spaced apart from each other in the second direction; a first connection electrode on the first electrode and contacting first ends of the light-emitting elements; and a second connection electrode on the second electrode and contacting second ends of the light-emitting elements. The first connection electrode is connected to the first electrode through a first contact, and the second connection electrode is connected to the second electrode through a second contact on the second electrode. The first contact and the second contact overlap the sub-openings.
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公开(公告)号：US20220415962A1
公开(公告)日：2022-12-29
申请号：US17677360
申请日：2022-02-22
发明人： Won Ho LEE , Buem Joon KIM , Jong Hyuk KANG , Hyun Deok IM
摘要： A display device includes a substrate including a pixel area, and a pixel disposed in the pixel area and including an emission area and a non-emission area. The pixel includes a first alignment electrode and a second alignment electrode spaced from each other on the substrate, an insulating layer disposed on the first and second alignment electrodes, at least one light emitting element disposed on the insulating layer between the first alignment electrode and the second alignment electrode in the emission area, a pattern disposed between the at least one light emitting element and the insulating layer and including a hydrophilic group, and a bank disposed on the insulating layer in the non-emission area and including a first opening corresponding to the emission area and a second opening spaced from the first opening of the bank.
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公开(公告)号：US20220328558A1
公开(公告)日：2022-10-13
申请号：US17522373
申请日：2021-11-09
发明人： Buem Joon KIM , Jong Hyuk KANG , Won Ho LEE , Hyun Deok IM , Eun A CHO
摘要： A light emitting element includes a core structure, which includes a first light emitting element core, a second light emitting element core spaced apart from the first light emitting element core, and a first bonding layer between the first light emitting element core and the second light emitting element core, each of the first light emitting element core and the second light emitting element core includes a first semiconductor layer, a second semiconductor layer spaced apart from the first semiconductor layer, and an element active layer between the first semiconductor layer and the second semiconductor layer, and a stacking direction of the first semiconductor layer, the element active layer, and the second semiconductor layer of the first light emitting element core is opposite to a stacking direction of the first semiconductor layer, the element active layer and the second semiconductor layer of the second light emitting element core.
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公开(公告)号：US20220165911A1
公开(公告)日：2022-05-26
申请号：US17519248
申请日：2021-11-04
发明人： Cheol Ku KANG , Buem Joon KIM , Won Kyu KIM
摘要： An apparatus for manufacturing a display device, comprising a stage, a first electric-field-applying module on a first side of the stage, and including first probe pins, a first light-irradiating module above the stage, and configured to irradiate light to the stage, a first light emission driver configured to transmit a first emission driving signal to the first light-irradiating module, and a signal output unit configured to output a first emission timing signal for setting light irradiation timing of the first light-irradiating module to the first light emission driver, to output a first alignment signal to any one of the first probe pins, and to output a second alignment signal to another one of the first probe pins, wherein the first emission timing signal and the second alignment signal are alternating current (AC) signals, and wherein periods of the first emission timing signal and the second alignment signal are the same.
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公开(公告)号：US20220005719A1
公开(公告)日：2022-01-06
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 , H01L25/075 , H01L21/67 , H01L23/00
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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