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公开(公告)号：US20230026527A1
公开(公告)日：2023-01-26
申请号：US17778667
申请日：2020-09-03
发明人： Jae Hoon JUNG , Hye Jung HONG , Jong Hyuk KANG , Hee Yeon YOO , Sung Chan JO , Hyun Min CHO
摘要： A light-emitting element includes a first semiconductor layer doped to have a first polarity; a second semiconductor layer doped to have a second polarity that is different from the first polarity; an active layer placed between the first semiconductor layer and the second semiconductor layer; and an insulating layer surrounding at least the outer surface of the active material. The insulating layer includes an insulating film surrounding the active layer, and an element dispersion agent including a magnetic metal and bonded to an outer surface of the insulating film.
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公开(公告)号：US20230256735A1
公开(公告)日：2023-08-17
申请号：US18004032
申请日：2021-06-04
发明人： Hye Jung HONG , Hyun Min CHO , Jong Hyuk KANG , Hee Yeon YOO , Yo Han LEE , Jae Hoon JUNG
CPC分类号： B41J2/04563 , B41J2/175 , B41J2/04583
摘要： An inkjet printing apparatus includes: a print head device including an inkjet head to spray a composition for ink including a plurality of bipolar elements; an ink circulation device including an ink storage to store the composition for ink, and transfer the composition for ink to the print head device; an ink injection device to inject the composition for ink into the ink storage; and a temperature adjusting device to adjust a temperature of the composition for ink. The temperature adjusting device includes: a first temperature adjusting device to adjust a temperature to be included in a first reference temperature range; a second temperature adjusting device to adjust a temperature to be included in a second reference temperature range; and a third temperature adjusting device to adjust a temperature to be included in a third reference temperature range.
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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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4.发明公开公开(公告)号：US20240332265A1
公开(公告)日：2024-10-03
申请号：US18678529
申请日：2024-05-30
发明人： In Hyuk KIM , Dong Gyun KIM , Jae Hoon JUNG , Jin Oh KWAG , Hee Yeon YOO , Sung Chan JO , Jeong In CHOI , Hye Jung HONG , Jong Hyuk KANG , Dong Eon LEE , Hyun Min CHO
IPC分类号： H01L25/075 , H01L21/68 , H01L21/78 , H01L33/00
CPC分类号： H01L25/0753 , H01L21/68 , H01L21/7806 , H01L33/005
摘要： An apparatus includes a base including a receiving portion that receives a substrate on which semiconductor elements are disposed; and at least one ultrasonic generator that generates and applies ultrasonic waves to the substrate placed in the base.
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公开(公告)号：US20220037292A1
公开(公告)日：2022-02-03
申请号：US17382825
申请日：2021-07-22
发明人： In Hyuk KIM , Dong Gyun KIM , Jae Hoon JUNG , Jin Oh KWAG , Hee Yeon YOO , Sung Chan JO , Jeong In CHOI , Hye Jung HONG , Jong Hyuk KANG , Dong Eon LEE , Hyun Min CHO
IPC分类号： H01L25/075 , H01L33/00 , H01L21/68 , H01L21/78
摘要： An apparatus includes a base including a receiving portion that receives a substrate on which semiconductor elements are disposed; and at least one ultrasonic generator that generates and applies ultrasonic waves to the substrate placed in the base.
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公开(公告)号：US20230170336A1
公开(公告)日：2023-06-01
申请号：US17921083
申请日：2021-04-01
发明人： Jae Hoon JUNG , Jong Hyuk KANG , Hee Yeon YOO , Hyun Min CHO , Hye Jung HONG
IPC分类号： H01L25/075 , H01L33/24 , C09K11/02
CPC分类号： H01L25/0753 , H01L33/24 , C09K11/02
摘要： Provided are a light-emitting element ink and a method for manufacturing a display apparatus. The light-emitting element ink comprises: a light-emitting element solvent; and a plurality of light-emitting elements dispersed in the light-emitting element solvent and each comprising a plurality of semiconductor layers and an insulation film partially surrounding the outer surfaces of the semiconductor layers, wherein the light-emitting element solvent includes a fatty acid ester-based compound having a melting point in the range of 0° C. to 15° C.
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公开(公告)号：US20220204796A1
公开(公告)日：2022-06-30
申请号：US17593438
申请日：2020-03-03
发明人： Jae Hoon JUNG , Hee Yeon YOO , Hye Jung HONG , Hyo Jin KO , Duk Ki KIM , Jun Bo SIM , Sung Chan JO , Jong Hyuk KANG , Keun Kyu SONG , Hyun Min CHO
IPC分类号： C09D11/50 , H01L33/00 , H01L25/075
摘要： A method for manufacturing a display device comprises the steps of: spraying, on a target substrate having a first electrode and a second electrode formed thereon, an element ink comprising a first element solvent and light-emitting elements dispersed in the first element solvent; forming a second element solvent in which at least some bonds of the first element solvent are decomposed by irradiating light to the first element solvent and mounting the light-emitting elements on the first electrode and the second electrode; and removing the second element solvent.
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公开(公告)号：US20220069158A1
公开(公告)日：2022-03-03
申请号：US17310546
申请日：2020-01-30
发明人： Jae Hoon JUNG , Hye Jung HONG
IPC分类号： H01L33/00 , H01L33/20 , H01L33/32 , C09D11/50 , C09D11/52 , C09D11/037 , C09D11/033
摘要： A light device solvent, a light emitting device ink comprising same, and a method for manufacturing a display device are provided. A method for manufacturing a display device comprises the acts of: spraying a device ink, which comprises a first element solvent and a light emitting element dispersed in the first element solvent, onto a target substrate having a first electrode and a second electrode thereon; forming a second element solvent, which has an isomeric structure of the molecular structure of the first element solvent, and loading the light emitting element on the first electrode and the second electrode; and removing the second element solvent.
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