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1.发明申请公开(公告)号：US20190229153A1
公开(公告)日：2019-07-25
申请号：US16186404
申请日：2018-11-09
发明人： Kyoungwon PARK , Minki NAM , Songyi KIM , Sungwoon KIM , Sungjun KOH , Seongwon MO , Dohchang LEE
摘要： A display device includes semiconductor nanoparticles. An organic light emitting diode (“OLED”) display device includes the semiconductor nanoparticles, a semiconductor particle of the semiconductor nanoparticles including: a core including a compound semiconductor; and a shell surrounding the core. The shell includes a metal oxide (and/or metalloid oxide) having a bandgap of about 3.5 eV or more, and having a sum (ΔECB+ΔEVB) of a conduction band offset (ΔECB) with the compound semiconductor included in the core and a valence band offset (ΔEVB) with the compound semiconductor included in the core of about 3 eV or more.
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公开(公告)号：US20180059485A1
公开(公告)日：2018-03-01
申请号：US15690050
申请日：2017-08-29
申请人： SAMSUNG DISPLAY CO., LTD. , KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY , KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
发明人： Minki NAM , Kyoungwon PARK , Baekhee LEE , Youngmin KIM , Haeil PARK , Jaikyeong KIM , Heesuk KIM , Wanki BAE , Dohchang LEE , Byeongguk JEONG
IPC分类号： G02F1/1335 , H01L51/00 , H01L27/32
CPC分类号： G02F1/133621 , B82Y20/00 , G02F1/133528 , G02F1/133602 , G02F1/133617 , G02F2001/133614 , G02F2202/36 , H01L27/322 , H01L51/0097 , H01L2251/5338 , H01L2251/5369 , Y10S977/774 , Y10S977/818 , Y10S977/824 , Y10S977/95 , Y10S977/952
摘要： 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：US20210041747A1
公开(公告)日：2021-02-11
申请号：US17080627
申请日：2020-10-26
申请人： Samsung Display Co., Ltd. , KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY , KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
发明人： Minki NAM , Kyoungwon PARK , Baekhee LEE , Youngmin KIM , Haeil PARK , Jaikyeong KIM , Heesuk KIM , Wanki BAE , Dohchang LEE , Byeongguk JEONG
IPC分类号： G02F1/13357 , G02F1/1335 , H01L51/00 , H01L27/32 , B82Y20/00
摘要： 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：US20210371737A1
公开(公告)日：2021-12-02
申请号：US17219442
申请日：2021-03-31
发明人： Yunku JUNG , Yunhyuk KO , Minki NAM , Sungwoon KIM , Junwoo PARK , Sooho LEE
摘要： A quantum dot composition includes a quantum dot and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a head portion bonded to the surface of the quantum dot, and a tail portion containing a crosslinkable functional group. The quantum dot composition according to one or more embodiments may be applied to an emission layer of a light emitting element and a display device to improve luminous efficiency and service life of the light emitting element and the display device.
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公开(公告)号：US20210035962A1
公开(公告)日：2021-02-04
申请号：US16932591
申请日：2020-07-17
发明人： Yunku JUNG , Sungwoon KIM , Changhee LEE , Jaekook HA , Yunhyuk KO , Jaehoon KIM , Minki NAM , Hyunmi DOH , Myoungjin PARK , Jae Hong PARK , Junwoo PARK
摘要： 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：US20220149223A1
公开(公告)日：2022-05-12
申请号：US17443402
申请日：2021-07-26
发明人： Sooho LEE , Minki NAM , Sungwoon KIM , Jeongwoo PARK , Wanki BAE , Changhee LEE , Byeongguk JEONG
IPC分类号： H01L31/12 , H01L31/0384 , H01L31/103 , H01L31/18 , H01L27/32 , H01L51/56 , H01L51/50
摘要： 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：US20210074939A1
公开(公告)日：2021-03-11
申请号：US16895590
申请日：2020-06-08
发明人： Yunku JUNG , Minki NAM , Hyunmi DOH , Yunhyuk KO , Sungwoon KIM , Jaehoon KIM , Myoungjin PARK , Jae Hong PARK , Junwoo PARK
摘要： 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：US20200328367A1
公开(公告)日：2020-10-15
申请号：US16812123
申请日：2020-03-06
发明人： Kyoungwon PARK , Minki NAM , Hyunmi DOH , Sungwoon KIM , Jae Hong PARK , Yunku JUNG
摘要： 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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公开(公告)号：US20180074401A1
公开(公告)日：2018-03-15
申请号：US15697992
申请日：2017-09-07
发明人： Minki NAM , Kyoungwon PARK , Baekhee LEE , Youngmin KIM , Haeil PARK
IPC分类号： G03F7/00 , G03F7/031 , G02F1/1333 , G03F7/004
CPC分类号： G03F7/0007 , G02B5/201 , G02F1/133377 , G03F7/0047 , G03F7/031 , G03F7/032 , G03F7/033 , G03F7/105
摘要： 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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公开(公告)号：US20160215213A1
公开(公告)日：2016-07-28
申请号：US14965272
申请日：2015-12-10
发明人： Baekhee LEE , Minki NAM , Junghyun KWON , Youngmin KIM , Namseok ROH , Haeil PARK , Seontae YOON , Donguk KIM , Kisoo PARK , Kwangkeun LEE , Junhan LEE , Juho KIM , Hyounwoo KIM , Hunsik KIM , Jongsoo LEE
IPC分类号： C09K11/88 , G02B5/20 , G02B5/22 , G02F1/1335 , G02B1/04
CPC分类号： C09K11/883 , G02B1/04 , G02B5/201 , G02B5/223 , G02F1/133617 , G02F2202/36 , G03F7/0007 , G03F7/031 , C08L33/10
摘要： A photosensitive resin composition comprises: a solvent in an amount of about 60 percentage by weight (wt %) to about 95 wt %; and a solid content in an amount of about 5 wt % to about 40 wt %, with respect to a total weight of the photosensitive resin composition, wherein the solid content comprises with respect to a total weight of the solid content: a phosphor in an amount of about 5 wt % to about 90 wt %; a photopolymerizable compound in an amount of about 4 wt % to about 70 wt %; an acetophenone-based photopolymerization initiator in an amount of about 0.1 wt % to about 20 wt %; and an alkali soluble resin in an amount of about 5 wt % to about 80 wt %, with respect to a total weight of the solid content.
摘要翻译： 感光性树脂组合物包含：约60重量％（wt％）〜约95wt％的溶剂; 相对于感光性树脂组合物的总重量为约5重量％〜约40重量％的固体成分，其中固体成分相对于固体成分的总重量包含： 约5重量％至约90重量％的量; 约4重量％至约70重量％的光聚合化合物; 量为约0.1重量％至约20重量％的基于苯乙酮的光聚合引发剂; 和相对于固体含量的总重量为约5重量％至约80重量％的碱溶性树脂。
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