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1.发明公开
公开(公告)号：EP3511394A1
公开(公告)日：2019-07-17
申请号：EP19151354.8
申请日：2019-01-11
发明人： WON, Yuho , WON, Nayoun , HWANG, Sungwoo , JANG, Eun Joo , KWON, Soo Kyung , KIM, Yong Wook , MIN, Jihyun , PARK, Garam , PARK, Shang Hyeun , JANG, Hyo Sook , JUN, Shin Ae , HAN, Yong Seok
摘要： A cadmium free quantum dot not including cadmium and including: a semiconductor nanocrystal core comprising indium and phosphorous, a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core and comprising zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell and comprising zinc and sulfur, a composition and composite including the same, and an electronic device.
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2.发明公开
公开(公告)号：EP4219653A1
公开(公告)日：2023-08-02
申请号：EP23153380.3
申请日：2023-01-26
发明人： MIN, Ji Hyun , JANG, Eun Joo , JANG, Hyo Sook , HAN, Yong Seok , LEE, Ilyoung , CHO, Oul
摘要： An electroluminescent device including a first electrode, a second electrode, and a light-emitting layer disposed between the first electrode and the second electrode, the light-emitting layer including a plurality of semiconductor nanoparticles, wherein the light-emitting layer is configured to emit green light, wherein the plurality of semiconductor nanoparticles include a first semiconductor nanocrystal including indium, phosphorus, and optionally zinc, and a second semiconductor nanocrystal including a zinc chalcogenide, wherein the zinc chalcogenide includes zinc, selenium, and sulfur, wherein in the plurality of the semiconductor nanoparticles, a mole ratio of zinc to indium is greater than or equal to about 60:1, and
wherein the electroluminescent device is configured to exhibit a T90 of greater than or equal to about 120 hours as measured with an initial driving luminance of about 2700 nit.-
公开(公告)号：EP4043534A3
公开(公告)日：2022-10-05
申请号：EP21218196.0
申请日：2021-12-29
发明人： HAN, Yong Seok , JANG, Eun Joo , JANG, Hyo Sook , CHO, Oul , MIN, Jihyun , WON, Yuho
摘要： A light-emitting device including a first electrically conducting layer, a second electrically conducting layer, and a light-emitting layer disposed between the first electrically conducting layer and the second electrically conducting layer, the light emitting layer including light emitting nanostructures, wherein the light emitting layer is configured to emit green light, the light-emitting layer do not include cadmium, lead, or a combination thereof, the light emitting nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide, the Group III-V compound includes indium, phosphorus, and optionally zinc, the zinc chalcogenide includes zinc, selenium, and sulfur, the light emitting nanostructures exhibit a zinc blende structure, and in a two dimensional image of the light emitting nanostructures obtained by an electron microscopy analysis, an average value of squareness of the light emitting nanostructures is greater than or equal to about 0.8.
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公开(公告)号：EP3786258A1
公开(公告)日：2021-03-03
申请号：EP20193705.9
申请日：2020-08-31
发明人： KIM, Sung Woo , KIM, Jin A , KIM, Tae Hyung , PARK, Kun Su , WON, Yuho , LEE, Jeong Hee , JANG, Eun Joo , JANG, Hyo Sook , HAN, Yong Seok , CHUNG, Heejae
摘要： A quantum dot including a core comprising a first semiconductor nanocrystal including a zinc chalcogenide and a semiconductor nanocrystal shell disposed on the surface of the core and comprising zinc, selenium, and sulfur. The quantum dot does not comprise cadmium, emits blue light, and may exhibit a digital diffraction pattern obtained by a Fast Fourier Transform of a transmission electron microscopic image including a (100) facet of a zinc blende structure. In an X-ray diffraction spectrum of the quantum dot, a ratio of a defect peak area with respect to a peak area of a zinc blende crystal structure is less than about 0.8:1. A method of producing the quantum dot, and an electroluminescent device including the quantum dot are also disclosed.
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公开(公告)号：EP3147708B1
公开(公告)日：2018-11-28
申请号：EP16184922.9
申请日：2016-08-19
发明人： JUN, Shin Ae , PARK, Shang Hyeun , PAEK, Hojeong , KIM, Jonggi , YANG, Hyeyeon , JANG, Eun Joo , HAN, Yong Seok
CPC分类号： G03F7/033 , B82Y20/00 , B82Y30/00 , G03F7/0007 , G03F7/0047 , G03F7/027
摘要： A photosensitive composition including a quantum dot dispersion, a photopolymerizable monomer having a carbon-carbon double bond, and a photoinitiator, wherein the quantum dot dispersion includes an acid group-containing polymer and a plurality of quantum dots dispersed in the acid group-containing polymer, and wherein the acid group-containing polymer includes a copolymer of a monomer combination including a first monomer having a carboxylic acid group or a phosphonic acid group and a carbon-carbon double bond and a second monomer having a carbon-carbon double bond and a hydrophobic group and not having a carboxylic acid group and a phosphonic acid group.
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6.发明公开PHOTOSENSITIVE COMPOSITIONS, PREPARATION METHODS THEREOF AND QUANTUM DOT POLYMER COMPOSITE PREPARED THEREFROM 有权感光组合物，工艺用于生产和制品所产生量子点聚合物复合
公开(公告)号：EP3147708A1
公开(公告)日：2017-03-29
申请号：EP16184922.9
申请日：2016-08-19
发明人： JUN, Shin Ae , PARK, Shang Hyeun , PAEK, Hojeong , KIM, Jonggi , YANG, Hyeyeon , JANG, Eun Joo , HAN, Yong Seok
CPC分类号： G03F7/033 , B82Y20/00 , B82Y30/00 , G03F7/0007 , G03F7/0047 , G03F7/027
摘要： A photosensitive composition including a quantum dot dispersion, a photopolymerizable monomer having a carbon-carbon double bond, and a photoinitiator, wherein the quantum dot dispersion includes an acid group-containing polymer and a plurality of quantum dots dispersed in the acid group-containing polymer, and wherein the acid group-containing polymer includes a copolymer of a monomer combination including a first monomer having a carboxylic acid group or a phosphonic acid group and a carbon-carbon double bond and a second monomer having a carbon-carbon double bond and a hydrophobic group and not having a carboxylic acid group and a phosphonic acid group.
摘要翻译： 一种光敏组合物，包括量子点分散，具有碳 - 碳双键的光聚合性单体，和光引发剂，worin量子点分散体包括在含有酸基的聚合物和分散在含有酸基的聚合物中的量子点的多元 和含有酸基的聚合物worin包括单体组合，包括具有羧酸基团或膦酸基团和碳 - 碳双键和具有碳 - 碳双键的第二单体和第一单体的共聚物 疏水性基团，不具有羧酸基团和膦酸基团。
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公开(公告)号：EP4043534A2
公开(公告)日：2022-08-17
申请号：EP21218196.0
申请日：2021-12-29
发明人： HAN, Yong Seok , JANG, Eun Joo , JANG, Hyo Sook , CHO, Oul , MIN, Jihyun , WON, Yuho
摘要： A light-emitting device including a first electrically conducting layer, a second electrically conducting layer, and a light-emitting layer disposed between the first electrically conducting layer and the second electrically conducting layer, the light emitting layer including light emitting nanostructures, wherein the light emitting layer is configured to emit green light, the light-emitting layer do not include cadmium, lead, or a combination thereof, the light emitting nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide, the Group III-V compound includes indium, phosphorus, and optionally zinc, the zinc chalcogenide includes zinc, selenium, and sulfur, the light emitting nanostructures exhibit a zinc blende structure, and in a two dimensional image of the light emitting nanostructures obtained by an electron microscopy analysis, an average value of squareness of the light emitting nanostructures is greater than or equal to about 0.8.
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8.发明授权
公开(公告)号：EP3339946B1
公开(公告)日：2020-05-06
申请号：EP17209431.0
申请日：2017-12-21
发明人： CHUNG, Deukseok , JUN, Shin Ae , JEONG, Tae Won , HAN, Yong Seok
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9.发明公开
公开(公告)号：EP3339946A1
公开(公告)日：2018-06-27
申请号：EP17209431.0
申请日：2017-12-21
发明人： CHUNG, Deukseok , JUN, Shin Ae , JEONG, Tae Won , HAN, Yong Seok
摘要： A layered structure including a transparent substrate; a photoluminescent layer disposed on the transparent substrate and a pattern of a quantum dot polymer composite; and a capping layer disposed on the photoluminescent layer and including an inorganic material, a method of producing the same, a liquid crystal display including the same. The quantum dot polymer composite includes a polymer matrix; and a plurality of quantum dots in the polymer matrix, the pattern of the quantum dot polymer composite includes at least one repeating section and the repeating section includes a first section configured to emit light of a first peak wavelength, the inorganic material is disposed on at least a portion of a surface of the repeating section, and the inorganic material includes a metal oxide, a metal nitride, a metal oxynitride, a metal sulfide, or a combination thereof.
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