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公开(公告)号：US20230275197A1
公开(公告)日：2023-08-31
申请号：US18018255
申请日：2021-05-04
发明人： Dae Hyun KIM , Keun Kyu SONG , Sung Chan JO , Hyun Min CHO , Tae Jin KONG , Ock Soo SON , Chang Il TAE
CPC分类号： H01L33/505 , H01L25/167 , H01L33/60
摘要： A display device including: a first substrate on which a plurality of sub-pixels are located; a plurality of color filter layers on the first substrate; a bank layer including a first bank at a boundary between the plurality of sub-pixels and located on the color filter layers; a color control structure including a plurality of light transmitting layers and wavelength conversion layers in a region surrounded by the first bank on the color filter layer; a light emitting element layer between the color filter layer and the color control structure; a reflective layer on the color control structure; and a first electrode and a second electrode on the color filter layer and at least partially located at the same plane, wherein the light emitting element layer includes a plurality of light emitting elements, each of the light emitting elements having respective ends on the first and second electrodes.
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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：US20220376144A1
公开(公告)日：2022-11-24
申请号：US17636218
申请日：2020-02-27
发明人： Moon Jung AN , Sung Chan JO , Hoo Keun PARK , Chul Jong YOO , Hye Lim KANG , Dong Gyun KIM , Dong Eon LEE , Hyun Min CHO
摘要： A light emitting element includes: a first semiconductor layer doped with a first polarity; a second semiconductor layer doped with a second polarity different from the first polarity; an active layer between the first semiconductor layer and the second semiconductor layer in a first direction; and an insulating film surrounding an outer surface of at least the active layer and extending in the first direction. A thickness of a first portion of the insulating film surrounding the active layer is in a range of 10% to 16% of a diameter of the active layer.
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14.发明申请公开(公告)号：US20220320365A1
公开(公告)日：2022-10-06
申请号：US17628981
申请日：2020-02-27
发明人： An Na RYU , Jin Oh KWAG , Sung Hoon KIM , Dong Ho LEE , Sung Chan JO
摘要： Provided are an inkjet printing device, a method for aligning a bipolar element, and a method for manufacturing a display device. The inkjet printing device is for ejecting ink and includes a bipolar element extending in one direction. The inkjet printing device comprises: an electric field generation unit which includes a stage and a probe unit for generating an electric field on the stage; and an inkjet head which is positioned above the stage and includes a plurality of nozzles through which the ink is ejected, wherein the nozzles includes an inlet having a first diameter and an outlet connected to the inlet and having a second diameter smaller than the first diameter.
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公开(公告)号：US20210280753A1
公开(公告)日：2021-09-09
申请号：US17258145
申请日：2018-09-20
发明人： Dae Hyun KIM , Hyun Min CHO , Keun Kyu SONG , Je Won YOO , Bek Hyun LIM , Sung Chan JO
摘要： A display device and method of manufacturing a display device. The display device includes a first electrode, a second electrode facing the first electrode, a first insulating layer on the first electrode and the second electrode and between the first electrode and the second electrode, a light emitting element on the first insulating layer, a second insulating layer covering the light emitting element and exposing end portions of the light emitting element, a third insulating layer on the second insulating layer, a first contact electrode electrically connected to the first electrode, on the third insulating layer and in contact with a first end portion of the light emitting element exposed by the second insulating layer, and a second contact electrode electrically connected to the second electrode, on the third insulating layer and in contact with a second end portion of the light emitting element exposed by the second insulating layer.
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公开(公告)号：US20180261657A1
公开(公告)日：2018-09-13
申请号：US15794060
申请日：2017-10-26
发明人： Ki Hyun KIM , Jin Suk LEE , Young Gil PARK , Hyun Sang SEO , Na Ri AHN , Sung Chan JO
CPC分类号： H01L27/3248 , H01L27/3218 , H01L27/3246 , H01L29/4908 , H01L51/5056 , H01L51/5072 , H01L51/5092 , H01L51/5215 , H01L51/5234 , H01L51/5237 , H01L2251/308
摘要： A display device includes a substrate including a display area and a non-display area, a plurality of pixels provided in the display area, lines respectively connected to the plurality of pixels, the lines applying a signal to the plurality of pixels, the lines each including a first metal layer including a first metal and a second metal layer that is provided on the first metal layer and includes a second metal, an insulating layer provided at a least one portion between the substrate and the lines, the insulating layer including an inorganic insulating layer and an organic insulating layer, and a barrier layer provided between the organic insulating layer and the first metal layer, the barrier layer including an oxide of the first metal.
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公开(公告)号：US20240363806A1
公开(公告)日：2024-10-31
申请号：US18764922
申请日：2024-07-05
发明人： Dae Hyun KIM , Hyun Min CHO , Jin Oh KWAG , Keun Kyu SONG , Sung Chan JO
CPC分类号： H01L33/382 , H01L27/156 , H01L33/005 , H01L2933/0016
摘要： A display device includes a first electrode, a second electrode spaced apart from the first electrode to face the first electrode, a first insulation layer, at least one light emitting element, a second insulation layer, a first contact electrode, and a second contact electrode. The first insulation layer includes an overlapping area which overlaps the at least one light emitting element, a first non-overlapping area which extends outward from the first end of the at least one light emitting element and does not overlap the at least one light emitting element, and a second non-overlapping area which extends outward from the second end of the at least one light emitting element and does not overlap the at least one light emitting element.
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公开(公告)号：US20240047473A1
公开(公告)日：2024-02-08
申请号：US18356155
申请日：2023-07-20
发明人： Jin Woo CHOI , Min Woo KIM , Sung Chan JO , Eun A YANG , Jong Ho HONG
IPC分类号： H01L27/12 , H01L25/16 , H01L33/62 , G02F1/167 , G02F1/16766
CPC分类号： H01L27/124 , H01L25/167 , H01L33/62 , G02F1/167 , G02F1/16766
摘要： Provided is a stretchable display device. The stretchable display device according to one or more embodiments of the present disclosure includes a substrate including a first island pattern, a second island pattern, and a bridge pattern connecting the first island pattern and the second island pattern, a first pixel electrode above the first island pattern, and having an area that is greater than an area of the first island pattern, a second pixel electrode above the second island pattern, a display layer above the first pixel electrode and the second pixel electrode, and configured to display an image, and a common electrode above the display layer.
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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：US20210280746A1
公开(公告)日：2021-09-09
申请号：US17257756
申请日：2019-01-03
发明人： Dae Hyun KIM , Hyun Min CHO , Jin Oh KWAG , Keun Kyu SONG , Sung Chan JO
摘要： A display device includes a first electrode, a second electrode spaced apart from the first electrode to face the first electrode, a first insulation layer, at least one light emitting element, a second insulation layer, a first contact electrode, and a second contact electrode. The first insulation layer includes an overlapping area which overlaps the at least one light emitting element, a first non-overlapping area which extends outward from the first end of the at least one light emitting element and does not overlap the at least one light emitting element, and a second non-overlapping area which extends outward from the second end of the at least one light emitting element and does not overlap the at least one light emitting element.
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