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公开(公告)号：US12074264B2
公开(公告)日：2024-08-27
申请号：US17258145
申请日：2018-09-20
Applicant: Samsung Display Co., Ltd.
Inventor： Dae Hyun Kim , Hyun Min Cho , Keun Kyu Song , Je Won Yoo , Bek Hyun Lim , Sung Chan Jo
CPC classification number: H01L33/54 , H01L25/167 , H01L33/62 , H01L33/20 , H01L33/56 , H01L2933/0066
Abstract: A display device and a method of manufacturing a display device are provided. The display device comprises a first electrode, a second electrode facing the first electrode, a first insulating layer disposed on the first electrode and the second electrode and positioned between the first electrode and the second electrode, a light emitting element disposed on the first insulating layer, a first passivation layer covering the light emitting element and exposing both end portions of the light emitting element, an organic insulating layer disposed on the first passivation layer, a first contact electrode electrically connected to the first electrode, disposed on the organic insulating layer and in contact with a first end portion of the light emitting element exposed by the first passivation layer, and a second contact electrode electrically connected to the second electrode, disposed on the organic insulating layer and in contact with a second end portion of the light emitting element exposed by the first passivation layer.
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22.发明授权公开(公告)号：US12035582B2
公开(公告)日：2024-07-09
申请号：US17255985
申请日：2018-09-20
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Deok Im , Jong Hyuk Kang , Dae Hyun Kim , Jung Hong Min , Bek Hyun Lim , Hyun Min Cho
IPC: H10K59/131
CPC classification number: H10K59/131
Abstract: A display device includes: a first pixel stem wiring and a common stem wiring extending in a first direction and spaced apart from each other; a first pixel branch wiring branched from the first pixel stem wiring and extending in a second direction crossing the first direction; a common branch wiring branched from the common stem wiring and extending in the second direction; and a first light emitting element between the first pixel branch wiring and the common branch wiring. The first pixel branch wiring includes a base branch pattern connected to the first pixel stem wiring, a separate branch pattern spaced apart from the base branch pattern, and a bridge wiring connecting the base branch pattern to the separate branch pattern.
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Patent Agency Ranking
23.发明授权公开(公告)号：US12009383B2
公开(公告)日：2024-06-11
申请号：US17277284
申请日：2019-03-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Xinxing Li , Hyun Min Cho , Dae Hyun Kim , Veidhes Basrur , Bek Hyun Lim
CPC classification number: H01L27/156 , H01L33/24 , H01L33/38 , H01L33/44
Abstract: A light emitting device may include: a first emission area including a first light emitting diode: a second emission area including a second light emitting diode, at least one pair of first and second partition walls facing each other in each of the first and second emission areas at least one first electrode on the first partition wall to cover the first partition wall, and being electrically connected to a first end of at least one of the first and second light emitting diodes; and at least one second electrode on the second partition wall to cover the second partition wall, and being electrically connected to a second end of at least one of the first and second light emitting diodes. The first and second partition walls may have, in the first emission area, a structure different from that in the second emission area.
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公开(公告)号：US11978834B2
公开(公告)日：2024-05-07
申请号：US17415893
申请日：2019-06-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Xinxing Li , Bek Hyun Lim , Veidhes Basrur , Dae Hyun Kim , Myeong Hee Kim , Je Won Yoo
CPC classification number: H01L33/54 , H01L25/167 , H01L33/62 , H01L24/24 , H01L2224/24147 , H01L2924/12041 , H01L2933/005 , H01L2933/0066
Abstract: A display device may include a pixel disposed in a display area. The pixel may include first and second electrodes; a light emitting element disposed between the first and second electrodes; a first insulating pattern disposed on the light emitting element such that first and second ends of the light emitting element are exposed; a second insulating pattern disposed on the first insulating pattern such that ends of the first insulating pattern are exposed; a third insulating pattern disposed on the second insulating pattern and overlapping ends of the second insulating pattern; a first contact electrode disposed on the first end of the light emitting element, and electrically connecting the first end of the light emitting element to the first electrode; and a second contact electrode disposed on the second end of the light emitting element and electrically connecting the second end to the second electrode.
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公开(公告)号：US11870024B2
公开(公告)日：2024-01-09
申请号：US17266387
申请日：2019-02-07
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Xinxing Li , Dae Hyun Kim , Myeong Hee Kim , Veidhes Basrur , Je Won Yoo , Bek Hyun Lim
CPC classification number: H01L33/62 , G09G3/32 , H01L27/156 , H01L33/005 , H01L33/382 , H01L2933/0016 , H01L2933/0066
Abstract: A display device may include a substrate including a display area and a non-display area; and pixels provided in the display area, each of the plurality of pixels comprising sub-pixels. Each of the plurality of sub-pixels may include a pixel circuit layer including at least one transistor, and a display element layer including an emission area and a peripheral area, a first electrode provided in the emission area, a second electrode spaced apart from the first electrode, at least one light emitting element provided in the emission area, and including a first end electrically connected to the first electrode, and a second end electrically connected to the second electrode; a first connection line provided in the peripheral area; and a bridge pattern provided in the peripheral area, and diverging from the first connection line. The bridge pattern may be electrically disconnected from each of the first and second electrodes.
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公开(公告)号：US11367823B2
公开(公告)日：2022-06-21
申请号：US17049950
申请日：2018-09-27
Applicant: Samsung Display Co., Ltd.
Inventor： Dae Hyun Kim , Hyun Min Cho , Hyun Deok Im , Jong Hyuk Kang , Keun Kyu Song , Joo Yeol Lee , Bek Hyun Lim , Sung-Chan Jo
Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element including a first end portion and a second end portion in a length direction thereof; first and second banks on the substrate; a first electrode on the first bank and a second electrode on the second bank; a first contact electrode on the first electrode; a second contact electrode on the second electrode; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second electrodes when viewed on a plane.
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公开(公告)号：US10971667B2
公开(公告)日：2021-04-06
申请号：US16853340
申请日：2020-04-20
Applicant: Samsung Display Co., Ltd.
Inventor： Bek Hyun Lim
IPC: H01L33/62 , H01L27/15 , H01L33/36 , G09G3/32 , H01L33/00 , H01L33/20 , H01L33/18 , H01L25/075 , H01L33/08
Abstract: A light emitting device includes: a substrate; a first electrode on the substrate; a metal member on the first electrode and having a cavity; a first insulating layer on the metal member and exposing the cavity therethrough; a bar-type LED having a first end portion and a second end portion; and a second electrode on the first insulating layer. The first end portion of the bar-type LED is in the cavity and electrically connected to the first electrode, and the second end portion of the bar-type LED protrudes outside of the cavity and is electrically connected to the second electrode.
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