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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
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 , H01L27/32 , H01L51/00 , 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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2.发明授权公开(公告)号：US10852587B2
公开(公告)日：2020-12-01
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： G02F1/13357 , G02F1/1335 , H01L27/32 , H01L51/00 , 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：US20190025638A1
公开(公告)日：2019-01-24
申请号：US15971523
申请日：2018-05-04
发明人： Soodong Kim , Jinwon Kim , Taeho Kim , Minki Nam , Kyoungwon Park
IPC分类号： G02F1/1335
摘要： A method of fabricating a display device may include the following steps: patterning a light blocking layer on a first surface of a first substrate, forming a color filter layer on a second surface of the first substrate opposite the first surface after the patterning of the light blocking layer, and forming a light conversion layer including a plurality of conversion filters on the first surface of the first substrate after the forming of the color filter layer. Each of the conversion filters may include a plurality of conversion particles, and the color filter layer may be formed to selectively transmit light emitted from each of the conversion filters.
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公开(公告)号：US11366354B2
公开(公告)日：2022-06-21
申请号：US16387475
申请日：2019-04-17
发明人： Dong-uk Kim , Minki Nam , Kyoungwon Park
IPC分类号： G02F1/13357 , G02F1/1335 , G02F1/135
摘要： 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
发明人： Dong-uk KIM , Minki Nam , Kyoungwon Park
IPC分类号： G02F1/1335
摘要： 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：US10162259B2
公开(公告)日：2018-12-25
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： G03F7/031 , G02B5/20 , G03F7/00 , G02F1/1333 , G03F7/004
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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7.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
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：US10964759B2
公开(公告)日：2021-03-30
申请号：US16415263
申请日：2019-05-17
发明人： Soodong Kim , Sunyoung Kwon , Songyi Kim , Jinwon Kim , Kyoungwon Park
摘要： 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：US10768470B2
公开(公告)日：2020-09-08
申请号：US16185385
申请日：2018-11-09
发明人： Kyoungwon Park , Soodong Kim , Minki Nam , Sungwoon Kim
IPC分类号： G02B5/20 , G02F2/02 , H01L27/32 , G02F1/1335
摘要： 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：US10761363B2
公开(公告)日：2020-09-01
申请号：US15971523
申请日：2018-05-04
发明人： Soodong Kim , Jinwon Kim , Taeho Kim , Minki Nam , Kyoungwon Park
IPC分类号： G02F1/1335 , G02F1/13357 , G02B6/00 , H01L27/32
摘要： A method of fabricating a display device may include the following steps: patterning a light blocking layer on a first surface of a first substrate, forming a color filter layer on a second surface of the first substrate opposite the first surface after the patterning of the light blocking layer, and forming a light conversion layer including a plurality of conversion filters on the first surface of the first substrate after the forming of the color filter layer. Each of the conversion filters may include a plurality of conversion particles, and the color filter layer may be formed to selectively transmit light emitted from each of the conversion filters.
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