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公开(公告)号：US11955468B2
公开(公告)日：2024-04-09
申请号：US16932591
申请日：2020-07-17
Applicant: Samsung Display Co., Ltd.
Inventor： Yunku Jung , Sungwoon Kim , Changhee Lee , Jaekook Ha , Yunhyuk Ko , Jaehoon Kim , Minki Nam , Hyunmi Doh , Myoungjin Park , Jae Hong Park , Junwoo Park
CPC classification number: H01L25/167 , H01L24/32 , H01L24/83 , H01L33/44 , H01L2224/32137 , H01L2224/80143 , H01L2224/83085 , H01L2224/83896 , H01L2924/12041
Abstract: Provided is a light emitting element according to embodiments which includes a body including a semiconductor layer and an active layer, and a ligand including a head portion bonded to a surface of the body, an end portion spaced apart from the body, and having a positive or a negative charge, and a chain portion connecting the head portion and the end portion.
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公开(公告)号：US20250056969A1
公开(公告)日：2025-02-13
申请号：US18784800
申请日：2024-07-25
Applicant: Samsung Display Co., Ltd.
Inventor： Sungwoon Kim , Duckjung Lee
IPC: H10K59/12 , H10K59/122 , H10K59/80
Abstract: In a method of manufacturing a display device, the method includes: positioning a substrate; forming a functional layer on the substrate; forming a mask including an opening in the functional layer; radiating pulse light including a plurality of pulses through the opening of the mask; and removing the functional layer to which the pulse light is radiated.
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公开(公告)号：US11895856B2
公开(公告)日：2024-02-06
申请号：US16895590
申请日：2020-06-08
Applicant: Samsung Display Co., Ltd.
Inventor： Yunku Jung , Minki Nam , Hyunmi Doh , Yunhyuk Ko , Sungwoon Kim , Jaehoon Kim , Myoungjin Park , Jae Hong Park , Junwoo Park
IPC: C09K11/06 , C09K11/02 , C09K11/54 , C09K11/56 , H10K50/115 , H10K50/00 , H10K50/12 , H10K50/844 , H10K50/86 , H10K59/38 , H10K71/00 , H10K85/30 , H10K85/60 , H10K102/10 , H10K102/00
CPC classification number: H10K50/115 , C09K11/06 , H10K50/00 , H10K50/12 , H10K50/844 , H10K50/865 , H10K59/38 , H10K71/00 , H10K85/30 , H10K85/631 , C09K2211/18 , H10K2102/103 , H10K2102/351
Abstract: A quantum dot composition includes a quantum dot, a ligand to bind to a surface of the quantum dot, an additive having an amine group, and a precursor comprising an organometallic compound, the composition forming a modified quantum dot having a reformed surface characteristic. A light emitting element including the modified quantum dot may have improved lifespan, luminous efficiency, and material stability.
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4.发明授权公开(公告)号：US11737294B2
公开(公告)日：2023-08-22
申请号：US16892532
申请日：2020-06-04
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yunku Jung , Hyunmi Doh , Jae Hong Park , Dongwoo Shin , Jaekook Ha , Sungwoon Kim , Minki Nam
IPC: H10K50/115 , C09K11/08 , C09K11/02 , H10K30/80 , H10K59/35 , H10K59/38 , H10K85/60 , H10K50/15 , H10K50/16 , H10K71/00
CPC classification number: H10K50/115 , C09K11/025 , C09K11/08 , H10K30/865 , H10K59/35 , H10K59/38 , H10K85/654 , H10K85/6572 , H10K50/15 , H10K50/16 , H10K71/00
Abstract: A quantum dot composition includes a quantum dot, and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a body part including a charge transport moiety, and a head part bonded to the surface of the quantum dot. The quantum dot composition according may be applied to a light emitting diode and a display device to provide increased luminous efficiency and device life of the light emitting diode and the display device.
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5.发明申请公开(公告)号：US20220204799A1
公开(公告)日：2022-06-30
申请号：US17534335
申请日：2021-11-23
Applicant: Samsung Display Co., Ltd.
Inventor： Sungwoon Kim , Changhee Lee , Hyunmi Doh , Sehun Kim
Abstract: An ink composition includes: a solvent; and an electron transporting material substantially dispersed in the solvent and of Formula 1, wherein the ink composition has an Ohnesorge number of about 0.1 to about 0.2: [Ar1]b1-[(L1)a1-R1]c1 Formula 1 wherein the variables are defined herein.
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Patent Agency Ranking
公开(公告)号：US20220098484A1
公开(公告)日：2022-03-31
申请号：US17448820
申请日：2021-09-24
Applicant: Samsung Display Co., Ltd.
Inventor： Myoungjin Park , Yunku Jung , Jonghoon Kim , Sungwoon Kim , Jaekook Ha
Abstract: An inorganic nanoparticle composition includes an inorganic nanoparticle and a highly fluorinated solvent, and the inorganic nanoparticle includes an inorganic material and a F-containing charge-transporting organic ligand. A light-emitting device with the inorganic nanoparticle composition, for example, as a material for forming at least a portion of an electron transport region in the light-emitting device. An electronic apparatus includes the light-emitting device.
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公开(公告)号：US11870001B2
公开(公告)日：2024-01-09
申请号：US17443402
申请日：2021-07-26
Inventor： Sooho Lee , Minki Nam , Sungwoon Kim , Jeongwoo Park , Wanki Bae , Changhee Lee , Byeongguk Jeong
IPC: H01L31/12 , H01L31/0384 , H01L31/103 , H01L31/18 , H10K50/115 , H10K59/60 , H10K71/00 , B82Y40/00 , B82Y20/00
CPC classification number: H01L31/125 , H01L31/03845 , H01L31/1032 , H01L31/1035 , H01L31/184 , H01L31/1828 , H10K50/115 , H10K59/60 , H10K71/00 , B82Y20/00 , B82Y40/00
Abstract: An electronic device includes a semiconductor nanoparticle, and a method of manufacturing the semiconductor nanoparticle is additionally provided. The semiconductor nanoparticle includes: a core including a first element; and a shell covering at least a portion of a surface of the core and including a second element and a third element, wherein the first element, the second element, and the third element are different from each other, and the first element and the second element are chemically bonded to each other on the at least a portion of the surface of the core.
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公开(公告)号：US11765954B2
公开(公告)日：2023-09-19
申请号：US17354210
申请日：2021-06-22
Applicant: Samsung Display Co., Ltd.
Inventor： Jingoo Kang , Sungwoon Kim , Changhee Lee
IPC: H10K59/35 , H10K71/00 , H10K50/115 , H10K50/155 , H10K50/165
CPC classification number: H10K59/35 , H10K59/352 , H10K71/00 , H10K50/115 , H10K50/155 , H10K50/165
Abstract: A display device including a first light emitting element including a first emission layer and a first charge transport layer adjacent to the first emission layer, the first emission layer including a first quantum dot to emit first light, and a second light emitting element including a second emission layer and a second charge transport layer adjacent to the second emission layer, the second emission layer including a second quantum dot to emit second light that is longer in wavelength than the first light. The first charge transport layer includes a first metal oxide. The second charge transport layer includes a second metal oxide different from the first metal oxide.
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9.发明授权公开(公告)号：US11456433B2
公开(公告)日：2022-09-27
申请号：US16812123
申请日：2020-03-06
Applicant: Samsung Display Co., Ltd.
Inventor： Kyoungwon Park , Minki Nam , Hyunmi Doh , Sungwoon Kim , Jae Hong Park , Yunku Jung
Abstract: A light emitting device may include a first electrode, a second electrode opposite to the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer may include a manganese complex compound and a quantum dot. It is possible to improve life span and light emitting efficiency characteristics of the light emitting device.
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10.发明申请公开(公告)号：US20220209114A1
公开(公告)日：2022-06-30
申请号：US17564081
申请日：2021-12-28
Applicant: Samsung Display Co., Ltd.
Inventor： Youngil Kim , Hyunmi Doh , Jongwoo Shin , Seongsu Lim , Sungwoon Kim
Abstract: A nanoparticle ink composition includes: a solvent; and one or more inorganic nanoparticles substantially dispersed in the solvent, wherein the inorganic nanoparticles include one or more quantum dots or a metal oxide having a diameter of about 20 nm or less, and the nanoparticle ink composition has an Ohnesorge number of about 0.1 to about 0.2.
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