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公开(公告)号：US11881538B2
公开(公告)日：2024-01-23
申请号：US17519248
申请日：2021-11-04
发明人： Cheol Ku Kang , Buem Joon Kim , Won Kyu Kim
CPC分类号： H01L33/005 , H01L21/681 , H01L2933/0066
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：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：US20220254958A1
公开(公告)日：2022-08-11
申请号：US17494654
申请日：2021-10-05
发明人： Buem Joon Kim , Hyun Deok Im
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：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：US12113047B2
公开(公告)日：2024-10-08
申请号：US17545439
申请日：2021-12-08
发明人： Jung Hyun Ahn , Buem Joon Kim , Won Ho Lee , Hyun Deok Im
CPC分类号： H01L24/95 , B41M5/0023 , H01L24/76 , H01L25/167 , H01L24/82 , H01L2224/7655 , H01L2224/76655 , H01L2224/82101 , H01L2224/95102 , H01L2224/95145
摘要： An ink leveling device includes a stage on which a target substrate is disposed, base frames disposed at sides of the stage, moving members coupled to the base frames and movable upward and downward, and at least one plate coupled to the moving members and disposed to press the target substrate. Light-emitting element ink is disposed on the target substrate.
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公开(公告)号：US12058898B2
公开(公告)日：2024-08-06
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： H10K59/123 , H10K59/122
CPC分类号： H10K59/123 , H10K59/122
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：US11984548B2
公开(公告)日：2024-05-14
申请号：US17322346
申请日：2021-05-17
发明人： Won Ho Lee , Buem Joon Kim , Jong Hyuk Kang , Hyun Deok Im , Eun A Cho
IPC分类号： H01L33/62 , H01L25/075 , H01L25/16 , H01L27/12
CPC分类号： H01L33/62 , H01L25/0753 , H01L25/167 , H01L27/1244
摘要： A display device includes a plurality of pixels including alignment electrodes and light emitting elements disposed between the alignment electrodes, and the alignment electrodes including outer alignment electrodes and center alignment electrodes disposed between the outer alignment electrodes. A distance between the center alignment electrodes is different from a distance between the center alignment electrodes and the outer alignment electrodes.
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