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公开(公告)号：US10385268B2
公开(公告)日：2019-08-20
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
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.
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公开(公告)号：US09637683B2
公开(公告)日：2017-05-02
申请号：US14965217
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
CPC分类号： C09K11/883 , C09K11/02 , G02B1/04 , G02B5/201 , G02B5/223 , G02F1/133617 , G02F2202/36 , G03F7/0007 , G03F7/028 , C08L2666/70
摘要： A photosensitive resin composition comprising: 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: 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 %; a photopolymerization initiator in an amount of about 0.1 wt % to about 20 wt %; an alkali soluble resin in an amount of about 5 wt % to about 80 wt %; and a dispersant in an amount of about 0.1 wt % to about 12 wt %, with respect to a total weight of the solid content.
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3.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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4.发明授权公开(公告)号：US10649114B2
公开(公告)日：2020-05-12
申请号：US16296236
申请日：2019-03-08
发明人： Baekhee Lee , Jangsoo Kim , Hyuk-hwan Kim
摘要： A display device includes a display panel, a light source unit, a light guide plate including a light exit surface, a bottom surface, a light incident surface, an opposite surface, and first and second side surfaces connecting the light incident surface and the opposite surface and being opposite to each other, a first refractive layer disposed on the light exit surface and having a refractive index lower than that of the light guide plate, an optical member between the display panel and the light guide plate, and an protective member covering at least one of a side surface of the optical member and at least a portion of a side surface of the light guide plate corresponding thereto.
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公开(公告)号：US20220204843A1
公开(公告)日：2022-06-30
申请号：US17546882
申请日：2021-12-09
发明人： Junehyuk Jung , Seungwon Park , Junghoon Song , Baekhee Lee , Junwoo Lee , Jaebok Chang
摘要： A quantum dot, a method of preparing the quantum dot, and an optical member and an electronic device, each including the quantum dot, are provided. The quantum dot includes: a core including a Group III-V semiconductor compound alloyed with gallium (Ga); a first shell surrounding the core; and a second shell surrounding the first shell, wherein the first shell includes a first compound that includes a Group II-VI semiconductor compound, a Group III-V semiconductor compound, or a Group III-VI semiconductor compound, the second shell includes a second compound that includes a Group II-VI semiconductor compound, a Group III-V semiconductor compound, or a Group III-VI semiconductor compound, the first compound and the second compound are different from each other, and the atomic percentages of specific elements in a material of the core, elemental ratios in the first shell and second shell with respect to the core satisfy certain ranges.
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公开(公告)号：US11099432B2
公开(公告)日：2021-08-24
申请号：US15791636
申请日：2017-10-24
发明人： Baekhee Lee , Youngmin Kim , Haeil Park , Kwangkeun Lee
IPC分类号： G02F1/13357 , G02B5/02 , G02F1/1335 , H01L27/32 , H01L51/52 , B82Y20/00
摘要： A display device includes a backlight, a first substrate on a path of light output from the backlight, a second substrate facing the first substrate, a light amount control layer between the first and second substrates, a color filter layer on the second substrate at a pixel area, and a light conversion layer between the light amount control layer and the color filter layer. The light conversion layer outputs white light.
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公开(公告)号：US10976610B2
公开(公告)日：2021-04-13
申请号：US16543886
申请日：2019-08-19
发明人： Kang-min Kim , Namheon Kim , Taegyun Kim , Joohwan Park , Jinho Park , Dongil Son , Donghee Lee , Baekhee Lee , Kyungtae Chae
IPC分类号： G02F1/13357 , G02F1/1333
摘要： A display device including an optical member, a display panel disposed above the optical member, and a plurality of light emitting units disposed below the optical member and providing a first color light to the optical member. The optical member may include a glass substrate containing an upper surface and a lower surface facing each other in a thickness direction and overlapping the plurality of light emitting units in a plan view, and a quantum dot layer disposed directly on the upper surface or the lower surface and converting the first color light into a second color light and a third color light.
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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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公开(公告)号：US10606123B2
公开(公告)日：2020-03-31
申请号：US15942927
申请日：2018-04-02
发明人： Jinho Park , Sang-gil Lee , Taegil Kang , Namheon Kim , Hyuk-hwan Kim , Haeil Park , Baekhee Lee , Eunguk Lee , Jaejin Choi
IPC分类号： G02F1/1335 , F21V8/00 , G02F1/1339 , G02F1/1343 , G02F1/1333
摘要： A display device includes a backlight unit. A display module configured to display an image is disposed on the backlight unit. A light conversion member is disposed between the display module and the backlight unit. The backlight unit includes a light source unit configured to generate light and a light guide plate configured to guide the light generated by the light source unit. The light conversion member includes a transfer layer disposed on the backlight unit and a light conversion layer disposed on the transfer layer.
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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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