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公开(公告)号：US11811012B2
公开(公告)日：2023-11-07
申请号：US17843314
申请日：2022-06-17
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
CPC classification number: H01L33/62 , H01L25/0753 , H01L25/167 , H01L27/1259 , H01L33/38 , H01L33/24 , H01L33/60 , H01L2933/0016 , H01L2933/0066
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 having a first end portion and a second end portion in a length direction thereof; first and second partition walls on the substrate, and the first and second partition walls being spaced apart from each other; a first reflective electrode on the first partition wall and a second reflective electrode on the second partition wall; a first contact electrode on the first reflective electrode, the first contact electrode connecting the first reflective electrode and the first end portion of the light emitting element; a second contact electrode on the second reflective electrode, the second contact electrode connecting the second reflective electrode and the second end portion of the light emitting element; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second reflective electrodes when viewed on a plane.
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公开(公告)号：US11790837B2
公开(公告)日：2023-10-17
申请号：US17878515
申请日：2022-08-01
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jin Oh Kwag , Won Sik Oh , Keun Kyu Song , Sung-Chan Jo , Hyun Min Cho
CPC classification number: G09G3/32 , G09G2300/0426 , G09G2300/0809 , G09G2310/08 , G09G2320/0673 , H01L27/156
Abstract: A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.
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公开(公告)号：US11411044B2
公开(公告)日：2022-08-09
申请号：US16338449
申请日：2018-09-21
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Min Cho , Dae Hyun Kim , Jin Oh Kwag , Dong Hyun Kim , Keun Kyu Song , Hyun Deok Im , Sung Chan Jo
Abstract: A display device comprises a first electrode, a second electrode disposed to be spaced apart from the first electrode and face the first electrode, a first insulating layer disposed to cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer and exposing at a part of a region where the first electrode and the second electrode overlaps the first insulating layer and at least one light emitting element on the exposed first insulating layer between the first electrode and the second electrode, wherein the second insulating layer includes at least one opening exposing the first insulating layer and disposed to be spaced apart from each other on a region where the first electrode and the second electrode face each other, and a bridge portion between the openings, and the light emitting element is disposed on the opening.
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公开(公告)号：US11079792B2
公开(公告)日：2021-08-03
申请号：US16888259
申请日：2020-05-29
Applicant: Samsung Display Co., Ltd.
Inventor： Yi Joon Ahn , Sung Chul Kim , Jung Hun Noh , Keun Kyu Song , Hye Yong Chu
Abstract: A display device incudes: a display panel; a plurality of vibro-acoustic elements coupled to the display panel and spaced apart from each other on a lower surface of the display panel; and a bracket disposed below the display panel and including a bottom plate, where a plurality of receiving holes is defined through the bottom plate. The plurality of vibro-acoustic elements is disposed in the plurality of receiving holes, respectively, a vibration space is defined by a portion of the bottom plate defining a receiving hole of the receiving holes, which is recessed from an upper surface toward a lower surface of the bottom plate, and audio frequencies in different frequency bands, respectively, is produced from regions in which the plurality of vibro-acoustic elements are disposed.
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公开(公告)号：US11004892B2
公开(公告)日：2021-05-11
申请号：US16275794
申请日：2019-02-14
Applicant: Samsung Display Co., Ltd.
Inventor： Dong Uk Kim , Hyun Min Cho , Keun Kyu Song , Dae Hyun Kim , Jung Hong Min , Seung A Lee , Hyung Rae Cha
Abstract: A display device includes a first pixel and a second pixel; a light emitting layer; a color conversion layer on the light emitting layer; and a color filter layer on the color conversion layer, the light emitting layer including one or more light emitting elements in the first pixel and the second pixel, the color conversion layer including a first color conversion layer in the first pixel and a second color conversion layer in the second pixel. The color filter layer includes a first color filter layer in the first pixel and a second color filter layer in the second pixel, the light emitting elements capable of emitting a first light having a first wavelength, each of the first color conversion layer and the second color conversion layer including first color conversion particles and second color conversion particles.
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Patent Agency Ranking
公开(公告)号：US20200293084A1
公开(公告)日：2020-09-17
申请号：US16888259
申请日：2020-05-29
Applicant: Samsung Display Co., Ltd.
Inventor： Yi Joon Ahn , Sung Chul Kim , Jung Hun Noh , Keun Kyu Song , Hye Yong Chu
Abstract: A display device incudes: a display panel; a plurality of vibro-acoustic elements coupled to the display panel and spaced apart from each other on a lower surface of the display panel; and a bracket disposed below the display panel and including a bottom plate, where a plurality of receiving holes is defined through the bottom plate. The plurality of vibro-acoustic elements is disposed in the plurality of receiving holes, respectively, a vibration space is defined by a portion of the bottom plate defining a receiving hole of the receiving holes, which is recessed from an upper surface toward a lower surface of the bottom plate, and audio frequencies in different frequency bands, respectively, is produced from regions in which the plurality of vibro-acoustic elements are disposed.
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公开(公告)号：US10671114B2
公开(公告)日：2020-06-02
申请号：US15988990
申请日：2018-05-24
Applicant: Samsung Display Co. Ltd.
Inventor： Yi Joon Ahn , Sung Chul Kim , Jung Hun Noh , Keun Kyu Song , Hye Yong Chu
Abstract: A display device includes: a display panel; a plurality of vibro-acoustic elements coupled to the display panel and spaced apart from each other on a lower surface of the display panel; and a bracket disposed below the display panel and including a bottom plate, where a plurality of receiving holes is defined through the bottom plate. The plurality of vibro-acoustic elements is disposed in the plurality of receiving holes, respectively, a vibration space is defined by a portion of the bottom plate defining a receiving hole of the receiving holes, which is recessed from an upper surface toward a lower surface of the bottom plate, and audio frequencies in different frequency bands, respectively, is produced from regions in which the plurality of vibro-acoustic elements are disposed.
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公开(公告)号：US10156757B2
公开(公告)日：2018-12-18
申请号：US15271448
申请日：2016-09-21
Applicant: Samsung Display Co. Ltd.
Inventor： Hyun Sup Lee , Jung Hun Noh , Keun Kyu Song , Sang Hee Jang , Byung Seok Choi
IPC: G02F1/1343 , G02F1/1335 , G02F1/1362
Abstract: A liquid crystal display includes first and second substrates facing each other and including pixels in a first direction and in a second direction that crosses the first direction, and pixel electrodes disposed in the pixels, respectively, over a common electrode, each of the pixel electrodes including branch electrodes, which extend in the second direction, where the pixels include first pixels, which display a white color, and second pixels, which display one of a red color, a green color, and a blue color, the pixel electrodes include first pixel electrodes, which are disposed in the first pixels, respectively, and second pixel electrodes, which are disposed in the second pixels, respectively, and a first average distance between every two adjacent first and second pixel electrodes in the first direction is smaller than a second average distance between every two adjacent second pixel electrodes in the first direction.
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公开(公告)号：US09679920B2
公开(公告)日：2017-06-13
申请号：US14744943
申请日：2015-06-19
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Sup Lee , Jun Ho Song , Jung-Hun Noh , Keun Kyu Song , Sang-Hee Jang
IPC: H01L27/14 , H01L27/12 , G02F1/1343 , G02F1/1333
CPC classification number: H01L27/124 , G02F1/133345 , G02F1/134363 , G02F1/13439 , G02F2001/134372 , G02F2201/40
Abstract: A liquid crystal display includes a first substrate, a gate line and a data line disposed on the first substrate, a first insulating layer disposed on the gate line and the data line, a first electrode disposed on the first insulating layer and having a flat form in a planar shape, a second insulating layer disposed on the first electrode, and a second electrode disposed on the second insulating layer and including a plurality of branch electrodes, where a width of a branch electrode of the plurality of branch electrodes is equal to or less than about 2 micrometers.
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公开(公告)号：US11935986B2
公开(公告)日：2024-03-19
申请号：US17298445
申请日：2019-05-30
Applicant: Samsung Display Co., Ltd.
Inventor： Dong Uk Kim , Jin Oh Kwag , Keun Kyu Song , Sung-Chan Jo , Hyun Min Cho
IPC: H01L33/38 , H01L25/075 , H01L33/00 , H01L33/24 , H01L33/62
CPC classification number: H01L33/382 , H01L25/0753 , H01L33/005 , H01L33/24 , H01L33/62 , H01L2933/0016 , H01L2933/0066
Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels in the display area, and each including sub-pixels. Each sub-pixel may include a pixel circuit layer, and a display element layer including at least one light emitting element. The display element layer may include: a first electrode on the pixel circuit layer; a second electrode on the first electrode and electrically insulated from the first electrode; the light emitting element including a first end portion coupled to the first electrode and a second end portion coupled to the second electrode, and between the first electrode and the second electrode; an intermediate layer enclosing at least one area of the light emitting element, and on the first electrode; a connection line electrically connected to the second electrode. The second electrode may be on the intermediate layer.
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