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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
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 , H01L51/00 , H01L27/32 , 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：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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公开(公告)号：US20180074401A1
公开(公告)日：2018-03-15
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: G03F7/00 , G03F7/031 , G02F1/1333 , G03F7/004
CPC classification number: G03F7/0007 , G02B5/201 , G02F1/133377 , G03F7/0047 , G03F7/031 , G03F7/032 , G03F7/033 , G03F7/105
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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Patent Agency Ranking
公开(公告)号：US20210202590A1
公开(公告)日：2021-07-01
申请号：US17201375
申请日：2021-03-15
Applicant: Samsung Display Co., Ltd.
Inventor： Soodong KIM , Sunyoung KWON , Songyi KIM , Jinwon KIM , Kyoungwon PARK
Abstract: A display device includes a display element configured to generate a first color light, an encapsulation member on the display element and including an inorganic layer at an outermost portion thereof, a color conversion layer on the encapsulation member and including a first color conversion part configured to transmit the first color light, a second color conversion part configured to convert the first color light into a second color light, and a third color conversion part configured to convert the first color light into a third color light, and a buffer layer between the encapsulation member and the color conversion layer, wherein a difference in refractive index between the buffer layer and the inorganic layer is about 0.5 or less.
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公开(公告)号：US20200006437A1
公开(公告)日：2020-01-02
申请号：US16415263
申请日：2019-05-17
Applicant: Samsung Display Co., Ltd.
Inventor： Soodong KIM , Sunyoung KWON , Songyi KIM , Jinwon KIM , Kyoungwon PARK
Abstract: A display device includes a display element configured to generate a first color light, an encapsulation member on the display element and including an inorganic layer at an outermost portion thereof, a color conversion layer on the encapsulation member and including a first color conversion part configured to transmit the first color light, a second color conversion part configured to convert the first color light into a second color light, and a third color conversion part configured to convert the first color light into a third color light, and a buffer layer between the encapsulation member and the color conversion layer, wherein a difference in refractive index between the buffer layer and the inorganic layer is about 0.5 or less.
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8.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：US20190227431A1
公开(公告)日：2019-07-25
申请号：US16254612
申请日：2019-01-23
Applicant: Samsung Display Co., Ltd.
Inventor： Kyoungwon PARK , Songyi Kim , Minki Nam , Sujin Kim , Jinwon Kim , Taeho Kim
Abstract: A photoresist resin composition including: a plurality of quantum dots; a photopolymerizable monomer; a photopolymerization initiator; a scatterer; a binder resin; and a solvent, wherein an amount of the scatterer is in a range of about 2 parts to about 20 parts by weight based on 100 parts by weight of a total amount of the photoresist resin composition.
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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
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: G02F1/1335 , H01L51/00 , H01L27/32
CPC classification number: 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
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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