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公开(公告)号：US20180019377A1
公开(公告)日：2018-01-18
申请号：US15648578
申请日：2017-07-13
发明人： Dae Hyun KIM , Jong Hyuk KANG , Joo Yeol LEE , Hyun Deok IM , Chi O CHO , Hyun Min CHO
IPC分类号： H01L33/24 , H01L27/15 , H01L33/38 , H01L33/44 , H01L33/00 , H01L33/32 , H01L27/12 , G09G3/32
CPC分类号： H01L33/24 , G09G3/32 , G09G2300/0452 , G09G2310/0278 , H01L25/0753 , H01L27/1214 , H01L27/156 , H01L33/007 , H01L33/0075 , H01L33/16 , H01L33/325 , H01L33/38 , H01L33/44 , H01L2224/95085 , H01L2933/0016 , H01L2933/0025
摘要： A light emitting device includes 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：US20240363803A1
公开(公告)日：2024-10-31
申请号：US18766027
申请日：2024-07-08
发明人： Dae Hyun KIM , Jong Hyuk KANG , Joo Yeol LEE , Hyun Deok IM , Chi O CHO , Hyun Min CHO
IPC分类号： H01L33/24 , G09G3/32 , H01L25/075 , H01L27/12 , H01L27/15 , H01L33/00 , H01L33/16 , H01L33/32 , H01L33/38 , H01L33/44
CPC分类号： H01L33/24 , H01L27/156 , H01L33/007 , H01L33/0075 , H01L33/16 , H01L33/325 , H01L33/38 , H01L33/44 , G09G3/32 , G09G2300/0452 , G09G2310/0278 , H01L25/0753 , H01L27/1214 , H01L2224/95085 , H01L2933/0016 , H01L2933/0025
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：US20230155067A1
公开(公告)日：2023-05-18
申请号：US17920516
申请日：2021-04-21
发明人： Hyun Deok IM , Won Sik OH , Won Ho LEE , Jong Hyuk KANG , Hyun Min CHO
IPC分类号： H01L33/38 , H01L33/20 , H01L33/62 , H01L25/075 , H01L33/00
CPC分类号： H01L33/387 , H01L33/20 , H01L33/62 , H01L25/0753 , H01L33/005 , H01L2933/0016 , H01L2933/0066
摘要： According to an embodiment, a pixel may include a first area and a second area partitioned in a first direction, (1-1)-th and (2-1)-th electrodes disposed in the first area and spaced apart in a second direction different from the first direction, (1-2)-th and (2-2)-th electrodes disposed in the second area and spaced apart in the second direction, light emitting elements disposed between the (1-1)-th and (2-1)-th electrodes and between the (1-2)-th and (2-2)-th electrodes, a contact electrode disposed on the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, an insulating layer disposed between each of the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, and the contact electrode, and including a first opening exposing a portion of the (1-1)-th electrode; and a first intermediate electrode electrically connecting the contact electrode on the (2-1)-th electrode and the contact electrode on the (1-2)-th electrode.
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74.发明公开公开(公告)号：US20230145433A1
公开(公告)日：2023-05-11
申请号：US17802897
申请日：2020-06-08
发明人： Jong Hyuk KANG , Jin Oh KWAG , Won Hee NAM , Suk Beom YOU , Hyun Min CHO
CPC分类号： B41J2/04593 , B41J2/11 , B41J2/17596 , B41J2/14 , B41J2002/14491
摘要： Provided are an inkjet printing device, a method for printing bipolar elements, and a method for manufacturing a display device. The inkjet printing device includes an inkjet head disposed above a stage and including a plurality of nozzles through which ink including bipolar elements each having areas doped with partially different polarities is discharged; an actuator disposed in the inkjet head and adjusting an amount of droplet of the ink discharged through the plurality of nozzles; and at least one sensing part disposed in the inkjet head and measuring a number of bipolar elements discharged through the plurality of nozzles.
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75.发明申请公开(公告)号：US20230078237A1
公开(公告)日：2023-03-16
申请号：US17801428
申请日：2020-04-10
发明人： Won Ho LEE , Hyun Deok IM , Hyun Min CHO , Jong Hyuk KANG , Sung-Chan JO
摘要： An inspection device, and a method of inspecting and a method of repairing a display panel using the inspection device are provided. The method of inspecting the display panel including light emitting elements includes acquiring an image of the display panel, and determining an alignment degree of the light emitting elements in the display panel.
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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：US20220388303A1
公开(公告)日：2022-12-08
申请号：US17751076
申请日：2022-05-23
发明人： Byeong Hoon CHO , Jong Hyuk KANG
摘要： An inkjet printing apparatus comprises an inkjet head disposed above a stage and including nozzles through which ink including bipolar elements is discharged, the bipolar elements each having regions partially doped with different polarities. At least part of the nozzles is deflected from a direction in case that the nozzles are in a deflected state.
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公开(公告)号：US20220375990A1
公开(公告)日：2022-11-24
申请号：US17640693
申请日：2020-08-24
发明人： Hyun Deok IM , Jong Hyuk KANG , Dae Hyun KIM , Hyun Min CHO
摘要： A display device includes a pixel in a display area. The pixel includes: spaced apart first and second electrodes; a first insulating layer on the first electrode and the second electrode and between the first electrode and the second electrode and having a first etch selectivity; a first insulating pattern on the first insulating layer between the first electrode and the second electrode, and having a second etch selectivity; a light emitting element on the first insulating pattern; a second insulating pattern having the second etch selectivity and being on one area of the light emitting element such that a first end and the second end of the light emitting element are exposed; and third and fourth electrodes configured to electrically connect the first end and the second end of the light emitting element to the first and second electrodes, respectively.
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公开(公告)号：US20220344536A1
公开(公告)日：2022-10-27
申请号：US17585864
申请日：2022-01-27
发明人： Won Ho LEE , Seung A LEE , Jin Hyuk JANG , Jong Hyuk KANG , Hyun Deok IM , Sang Ho JEON , Eun A CHO , Hyun Min CHO
摘要： A light-emitting element includes a first semiconductor layer doped with an n-type dopant, a second semiconductor layer doped with a p-type dopant, a light emitting layer disposed between the first semiconductor layer and the second semiconductor layer, and an insulating film that surrounds the first semiconductor layer, the second semiconductor layer, and the light emitting layer. A doping concentration of the first semiconductor layer is in a predetermined range. A display device includes the light-emitting element.
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公开(公告)号：US20220262846A1
公开(公告)日：2022-08-18
申请号：US17454016
申请日：2021-11-08
发明人： Won Ho LEE , Jong Hyuk KANG , Buem Joon KIM , Hyun Deok IM , Eun A CHO
摘要： A display device in accordance with some embodiments may include a base layer, a first bank pattern and a second bank pattern on the base layer, and spaced apart from each other in a first direction, a first electrode overlapping the first bank pattern, a second electrode overlapping the second bank pattern, and a light emitting element aligned between the first electrode and the second electrode, wherein a distance between an end of the first electrode and an end of the first bank pattern differs from a distance between an end of the second electrode and an end of the second bank pattern in the first direction.
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