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公开(公告)号：US20240164130A1
公开(公告)日：2024-05-16
申请号：US18535417
申请日：2023-12-11
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: H10K50/115 , C09K11/06 , H10K50/00 , H10K50/12 , H10K50/844 , H10K50/86 , H10K59/38 , H10K71/00 , H10K85/30 , H10K85/60
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
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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2.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
Inventor： Kyoungwon PARK , Minki NAM , Songyi KIM , Sungwoon KIM , Sungjun KOH , Seongwon MO , Dohchang LEE
Abstract: 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：US20220149223A1
公开(公告)日：2022-05-12
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 , H01L27/32 , H01L51/56 , H01L51/50
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：US20220098481A1
公开(公告)日：2022-03-31
申请号：US17356463
申请日：2021-06-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yunku JUNG , Hyekyoung CHOI , Sungwoon KIM , Jaekook HA
Abstract: A quantum dot composition may include: a first solvent; a second solvent different from the first solvent; first quantum dots including a hole-transporting ligand; and second quantum dots including an electron-transporting ligand, wherein the first solvent and the second solvent are miscible solvents having different boiling points from each other, a degree of dispersion of the first quantum dots is greater in the first solvent than in the second solvent, and a degree of dispersion of the second quantum dots is greater in the second solvent than in the first solvent.
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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
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
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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Patent Agency Ranking
公开(公告)号：US20210296605A1
公开(公告)日：2021-09-23
申请号：US17107411
申请日：2020-11-30
Applicant: Samsung Display Co., Ltd.
Inventor： Junwoo PARK , Myoungjin PARK , Sooho LEE , Yunhyuk KO , Sungwoon KIM , Minki NAM , Jaekook HA
IPC: H01L51/50
Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode and including quantum dots; a hole transport region between the first electrode and the emission layer; and an electron sink layer between the emission layer and the hole transport region and including an electron transport material, wherein the electron transport material includes a metal, a metal oxide, a metal-containing material, or any combination thereof.
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7.发明申请公开(公告)号：US20210066632A1
公开(公告)日：2021-03-04
申请号：US16855985
申请日：2020-04-22
Applicant: Samsung Display Co., Ltd.
Inventor： Minki NAM , Yunku JUNG , Jaehong PARK , Dukki KIM , Sungwoon KIM
Abstract: A quantum dot composition includes quantum dots and a leveling agent, wherein the leveling agent includes a first repeating unit represented by Formula 1 and a second repeating unit represented by Formula 2: A light-emitting device and a method of manufacturing the same are also provided.
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公开(公告)号：US20190302519A1
公开(公告)日：2019-10-03
申请号：US16185385
申请日：2018-11-09
Applicant: Samsung Display Co., Ltd.
Inventor： Kyoungwon PARK , Soodong KIM , Minki NAM , Sungwoon KIM
IPC: G02F1/1335 , G02F1/1334 , G02B5/20
Abstract: A color conversion panel includes a color base substrate including a first transmissive area, a second transmissive area and a third transmissive area; a light blocking pattern on the color base substrate and defining the first transmissive area, the second transmissive area, and the third transmissive area; a first color filter in the first transmissive area and the second transmissive area; a first color conversion layer on the first color filter at the first transmissive area; a second color conversion layer on the first color filter in the second transmissive area; and a second color filter on the first transmissive area, the second transmissive area, and the third transmissive area. The first color conversion layer and the second color conversion layer are each between the first color filter and the second color filter.
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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
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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公开(公告)号：US20190296088A1
公开(公告)日：2019-09-26
申请号：US16224635
申请日：2018-12-18
Applicant: Samsung Display Co., Ltd.
Inventor： Soodong KIM , Kyoungwon PARK , Sungwoon KIM , Jangwi RYU
Abstract: A color conversion panel includes: a substrate including a light blocking area and first, second, and third transmission areas; a first color filter disposed on the substrate at the first transmission area; a second color filter disposed on the substrate at the second transmission area; a low refractive index layer disposed on the substrate at the light blocking area and the first, second, and third transmission areas; a first color conversion layer disposed on the first color filter and the low refractive index layer; a second color conversion layer disposed on the second color filter and the low refractive index layer; and a light transmitting layer disposed on the low refractive index layer at the third transmission area. The low refractive index layer has a refractive index lower than a refractive index of the first color conversion layer and a refractive index of the second color conversion layer.
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