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公开(公告)号：US11830966B2
公开(公告)日：2023-11-28
申请号：US17195428
申请日：2021-03-08
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Deok Im , Jong Hyuk Kang , Dae Hyun Kim , Joo Yeol Lee , Hyun Min Cho
IPC: H01L33/52 , H01L25/075 , H01L33/38 , H01L33/48 , H01L33/56 , H01L33/58 , H01L25/16 , H01L27/12 , H01L33/20 , H01L33/32 , H01L33/54 , H01L33/62
CPC classification number: H01L33/52 , H01L25/0753 , H01L33/382 , H01L33/385 , H01L33/387 , H01L33/48 , H01L33/483 , H01L33/486 , H01L33/56 , H01L33/58 , H01L25/167 , H01L27/1214 , H01L33/20 , H01L33/32 , H01L33/54 , H01L33/62 , H01L2933/005 , H01L2933/0033 , H01L2933/0091
Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.
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公开(公告)号：US11783764B2
公开(公告)日：2023-10-10
申请号：US17977580
申请日：2022-10-31
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yo Han Lee , Su Mi Moon , Hyun Min Cho
CPC classification number: G09G3/32 , G09G3/2007 , G09G2300/0426 , G09G2300/0439 , G09G2300/0809 , G09G2310/027 , G09G2310/0243 , G09G2310/0272 , G09G2310/08 , G09G2330/00
Abstract: A pixel includes a first light source including at least one first light emitting element between a first split electrode and a second power supply; a second light source unit including at least one second light emitting element between a second split electrode and the second power supply; a driving-current generator including a first transistor between a first power supply and the first and second light source units and generating a driving current corresponding to a first data signal; a first switching unit including a first switching element between the driving-current generator and the first light source; and a second switching unit including a second switching element between the driving-current generator and the second light source unit and controlling an electrical connection between the first and second light source units in response to a second data signal.
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公开(公告)号：US11744120B2
公开(公告)日：2023-08-29
申请号：US17212046
申请日：2021-03-25
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Min Cho , Tae Sung Kim , Yun Jong Yeo , Ji Youn Nam , Hee Min Yoo
IPC: H01L27/32 , H01L51/56 , H10K59/124 , H10K59/122 , H10K59/123 , H10K71/00 , H10K59/12
CPC classification number: H10K59/124 , H10K59/122 , H10K59/123 , H10K71/00 , H10K59/1201
Abstract: A manufacturing method of a display device includes: forming a transistor on a substrate; forming an organic insulating layer on the transistor; and performing a plasma treatment on the organic insulating layer. The organic insulating layer includes an acryl-based polymer, and the plasma treatment is performed by using helium gas or argon gas.
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公开(公告)号：US11610934B2
公开(公告)日：2023-03-21
申请号：US17395999
申请日：2021-08-06
Applicant: Samsung Display Co., Ltd.
Inventor： Jong Hyuk Kang , Hyun Min Cho , Dae Hyun Kim , Joo Yeol Lee , Hyun Deok Im
Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.
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145.发明授权公开(公告)号：US11552279B2
公开(公告)日：2023-01-10
申请号：US16900294
申请日：2020-06-12
Applicant: Samsung Display Co., Ltd.
Inventor： Tae Sung Kim , Hyun Min Cho , Yun Jong Yeo
Abstract: A display device includes: a first substrate; a barrier layer on the first substrate; an optical pattern layer on the barrier layer, and including a light blocking pattern, and a plurality of light transmitting patterns penetrating the light blocking pattern in a first direction; a first thin film transistor layer on the optical pattern layer; a light emitting element layer on the first thin film transistor layer; and a fingerprint sensor layer underneath the first substrate to receive light reflected from an external object.
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Patent Agency Ranking
公开(公告)号：US11502144B2
公开(公告)日：2022-11-15
申请号：US16838956
申请日：2020-04-02
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Min Cho , Tae Wook Kang , Tae Sung Kim , Dae Won Choi , Sang Gab Kim
Abstract: A display device includes a first base, a pixel electrode on the first base, a pixel defining layer having an opening that at least partially exposes the pixel electrode, a light emitting layer on the pixel electrode, an auxiliary electrode on the same layer as the pixel electrode, a partition wall on the auxiliary electrode that at least partially exposes a side surface of the auxiliary electrode, an organic layer on the partition wall, and a common electrode continuously arranged on the light emitting layer and the organic layer, wherein a side surface of the partition wall has a reverse-tapered shape, and the common electrode contacts the side surface of the auxiliary electrode.
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147.发明授权公开(公告)号：US11430912B2
公开(公告)日：2022-08-30
申请号：US17110574
申请日：2020-12-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jung Hong Min , Dae Hyun Kim , Seung A Lee , Hyun Min Cho , Jong Hyuk Kang , Dong Uk Kim , Hyun Deok Im , Hyung Rae Cha
IPC: H01L33/00 , H01L27/15 , H01L33/32 , H01L21/302
Abstract: A light emitting element, a method of manufacturing a light emitting element, and a display device including a light emitting element are provided. A method of manufacturing a light emitting element includes: preparing a lower panel including a substrate and a first sub conductive semiconductor layer on the substrate; forming a first mask layer including at least one mask pattern on at least a part of the lower panel to be spaced apart from each other and an opening region in which the mask patterns are spaced apart from each other; laminating a first conductive semiconductor layer, an active material layer, and a second conductive semiconductor layer on the first mask layer to form an element laminate; etching the element laminate in a vertical direction to form an element rod; and removing the mask pattern to separate the element rod from the lower panel.
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公开(公告)号：US11373587B2
公开(公告)日：2022-06-28
申请号：US17284337
申请日：2019-04-11
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jin Oh Kwag , Won Sik Oh , Keun Kyu Song , Sung-Chan Jo , Hyun Min Cho
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：US11127807B2
公开(公告)日：2021-09-21
申请号：US16521394
申请日：2019-07-24
Inventor： Sang Gab Kim , Hyun Min Cho , Tae Sung Kim , Yu-Gwang Jeong , Su Bin Bae , Jin Seock Kim , Sang Gyun Kim , Hyo Min Ko , Kil Won Cho , Hansol Lee
Abstract: An manufacturing method of a display device may include the following steps: forming a transistor on a substrate; forming an insulating layer on the transistor; forming a conductive layer including silver on the insulating layer; forming a photosensitive member on the conductive layer; forming an electrode of a light-emitting element by etching the conductive layer; performing plasma treatment on a structure that comprises the electrode, the plasma treatment using a gas including a halogen; and removing a product that is resulted from the plasma treatment.
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公开(公告)号：US11074858B2
公开(公告)日：2021-07-27
申请号：US16214786
申请日：2018-12-10
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Min Cho , Sung Chul Kim , Dae Hyun Kim , Hye Yong Chu , Jong Hyuk Kang , Keun Kyu Song , Joo Yeol Lee , Bek Hyun Lim , Hyun Deok Im
IPC: G09G3/3233 , H01L33/20 , H01L33/00 , H01L33/44 , H01L33/52 , H01L33/38 , H01L25/075 , H01L25/16 , H05B45/40 , H01L33/62
Abstract: A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.
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