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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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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：US11428989B2
公开(公告)日：2022-08-30
申请号：US17080627
申请日：2020-10-26
Applicant: Samsung Display Co., Ltd. , KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY , KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Minki Nam , Kyoungwon Park , Baekhee Lee , Youngmin Kim , Haeil Park , Jaikyeong Kim , Heesuk Kim , Wanki Bae , Dohchang Lee , Byeongguk Jeong
IPC: G02F1/13357 , G02F1/1335 , H01L27/32 , H01L51/00 , B82Y20/00
Abstract: A display device includes: a display substrate; a light amount control layer on the display substrate; a first polarizer on the light amount control layer; and a color conversion layer on the first polarizer. The color conversion layer includes a phosphor, the phosphor includes a quantum dot, the quantum dot including: a core; a first shell surrounding the core; and a second shell surrounding the first shell, and the quantum dot has a diameter ranging from about 2 nm to about 32 nm.
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公开(公告)号：US10162259B2
公开(公告)日：2018-12-25
申请号：US15697992
申请日：2017-09-07
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Minki Nam , Kyoungwon Park , Baekhee Lee , Youngmin Kim , Haeil Park
IPC: G03F7/031 , G02B5/20 , G03F7/00 , G02F1/1333 , G03F7/004
Abstract: A photoresist composition including a photoresist composition includes a photo-luminescence nanocomposite, a photopolymerizable monomer, a first photopolymerization initiator, a second photopolymerization initiator, a binder resin, and a solvent. The photo-luminescence nanocomposite includes a first quantum dot nanocomposite, a second quantum dot nanocomposite, or a combination thereof. The first quantum dot nanocomposite includes a first quantum dot nanoparticle and a first coating layer surrounding the first quantum dot nanoparticle, the first coating layer including a first inorganic material. The second quantum dot nanocomposite includes a second quantum dot nanoparticle and a second coating layer surrounding the second quantum dot nanoparticle, the second coating layer including a second inorganic material. The first photopolymerization initiator includes an oxime-based compound, and the second photopolymerization initiator includes an acetophenone-based compound, a thioxanthone-based compound, a benzophenone-based compound, or a combination thereof.
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5.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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Patent Agency Ranking
公开(公告)号：US11366354B2
公开(公告)日：2022-06-21
申请号：US16387475
申请日：2019-04-17
Applicant: Samsung Display Co., Ltd.
Inventor： Dong-uk Kim , Minki Nam , Kyoungwon Park
IPC: G02F1/13357 , G02F1/1335 , G02F1/135
Abstract: A display device includes: a light source unit having: a first light source to emit first light having a first peak wavelength; and a second light source to emit second light having a second peak wavelength, the second peak wavelength being shorter than the first peak wavelength; a wavelength conversion member to absorb the second light and convert the second light into first color light and second color light, each of the first and second color light having peak wavelengths different from the first and second peak wavelengths; and a display panel having a first pixel area to display the first color light, a second pixel area to display the second color light, and a third pixel area to display the first light, wherein the first peak wavelength and the second peak wavelength have a value of about 365 nm or more to about 500 nm or less.
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公开(公告)号：US20190331963A1
公开(公告)日：2019-10-31
申请号：US16387475
申请日：2019-04-17
Applicant: Samsung Display Co., Ltd.
Inventor： Dong-uk KIM , Minki Nam , Kyoungwon Park
IPC: G02F1/1335
Abstract: A display device includes: a light source unit having: a first light source to emit first light having a first peak wavelength; and a second light source to emit second light having a second peak wavelength, the second peak wavelength being shorter than the first peak wavelength; a wavelength conversion member to absorb the second light and convert the second light into first color light and second color light, each of the first and second color light having peak wavelengths different from the first and second peak wavelengths; and a display panel having a first pixel area to display the first color light, a second pixel area to display the second color light, and a third pixel area to display the first light, wherein the first peak wavelength and the second peak wavelength have a value of about 365 nm or more to about 500 nm or less.
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公开(公告)号：US09239458B2
公开(公告)日：2016-01-19
申请号：US13731533
申请日：2012-12-31
Applicant: Samsung Display Co., Ltd.
Inventor： Seon-Tae Yoon , Jong Hyuk Kang , Jae Byung Park , Mun-Ki Sim , Dae Hyun Kim , Minki Nam , Haeil Park , Dong-Hoon Lee , Hyun Min Cho
IPC: G02B26/02 , G02B5/22 , G02F1/1335 , B82Y20/00 , F21V8/00
CPC classification number: G02B26/02 , B82Y20/00 , G02B5/22 , G02B6/0055 , G02F1/133553 , G02F1/133617 , Y10S977/774
Abstract: A display device includes a light source unit that emits a first light with a first wavelength, an optical filter that converts the first light to a second light, and an optical shutter that transmits or reflects the first light or the second light.
Abstract translation: 显示装置包括发射具有第一波长的第一光的光源单元，将第一光转换为第二光的滤光器以及透射或反射第一光或第二光的光学快门。
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公开(公告)号：US20130335799A1
公开(公告)日：2013-12-19
申请号：US13731533
申请日：2012-12-31
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Seon-Tae YOON , Jong Hyuk Kang , Jae Byung Park , Mun-Ki Sim , Dae Hyun Kim , Minki Nam , Haeil Park , Dong-Hoon Lee , Hyun Min Cho
IPC: G02B26/02
CPC classification number: G02B26/02 , B82Y20/00 , G02B5/22 , G02B6/0055 , G02F1/133553 , G02F1/133617 , Y10S977/774
Abstract: A display device includes a light source unit that emits a first light with a first wavelength, an optical filter that converts the first light to a second light, and an optical shutter that transmits or reflects the first light or the second light.
Abstract translation: 显示装置包括发射具有第一波长的第一光的光源单元，将第一光转换为第二光的滤光器以及透射或反射第一光或第二光的光学快门。
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公开(公告)号：US11882712B2
公开(公告)日：2024-01-23
申请号：US17171893
申请日：2021-02-09
Inventor： Minki Nam , Sungwoon Kim , Yunhyuk Ko , Wan Ki Bae , Sooho Lee , Byeong Guk Jeong , Yunku Jung
IPC: H10K50/115 , C09K11/88 , C09K11/08 , B82Y40/00 , B82Y20/00
CPC classification number: H10K50/115 , C09K11/0883 , C09K11/883 , B82Y20/00 , B82Y40/00
Abstract: A quantum dot includes a core and a plurality of shell layers surrounding the core. The core has a band gap less than that of the outermost shell layer, and the outermost shell layer has a band gap less than that of a second shell layer. Thus, a light emitting device including the quantum dot according to an embodiment may have an improved lifespan of the device and excellent luminous efficiency characteristics.
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