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公开(公告)号：US20170329068A1
公开(公告)日：2017-11-16
申请号：US15471033
申请日：2017-03-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Oul CHO , Eun Joo JANG , Hyun A KANG , Tae Hyung KIM , Jeong Hee LEE
Abstract: A light conversion device includes a frame through which incident light is received from a light source and converted light is emitted from the light conversion device, the frame including: an opening through which light of a first color is received from the light source and from which light of a second color is emitted from the light conversion device, and a wall which surrounds the opening, a substrate in the opening and supported by the wall, a light conversion layer which is disposed on the substrate and receives the light of the first color from the light source, the light conversion layer including a light converting particle which converts the light of the first color to the light of the second color, a first inorganic layer disposed on the light conversion layer, and a first organic layer disposed on the first inorganic layer.
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32.发明申请公开(公告)号：US20160054624A1
公开(公告)日：2016-02-25
申请号：US14833722
申请日：2015-08-24
Applicant: Samsung Electronics Co., Ltd.
Inventor： Oul CHO , Hyun A KANG , Eun Joo JANG
IPC: G02F1/1335 , G02F1/1333
CPC classification number: G02F1/133611 , G02B6/0088 , G02F1/133308 , G02F1/133605 , G02F1/133606 , G02F1/133608 , G02F1/133615 , G02F2001/133317 , G02F2001/133322 , G02F2001/133614
Abstract: Disclosed is a mold frame including a first guide defining the position of a photoconversion layer and at least one of optical sheets disposed on the photoconversion layer, a backlight unit and a liquid crystal display including the same, and the like. The first guide includes a first surface facing the liquid crystal panel, a second surface opposite to the first surface, and a third surface extended from the edge of the first surface to the edge of second surface, wherein at least a portion of the second surface is provided with a strip, and wherein the strip is extended along the edge of the optical sheet or the photoconversion layer to overlap a region adjacent to the edge of the top surface of the optical sheet or adjacent to the edge of the top surface of the photoconversion layer.
Abstract translation: 公开了一种模制框架，其包括限定光转换层的位置的第一引导件和设置在光转换层上的光学片中的至少一个，背光单元和包括该光转换层的液晶显示器等。 第一引导件包括面对液晶面板的第一表面，与第一表面相对的第二表面和从第一表面的边缘延伸到第二表面边缘的第三表面，其中第二表面的至少一部分 设置有条带，并且其中所述条带沿着所述光学片或所述光转换层的边缘延伸，以与所述光学片的顶表面的边缘相邻的区域或邻近所述光学片的顶表面的边缘 光转换层。
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公开(公告)号：US20140071381A1
公开(公告)日：2014-03-13
申请号：US14010718
申请日：2013-08-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Eun-joo JANG , Hyun-a KANG , Oul CHO
IPC: F21V8/00 , G02F1/1335 , F21V9/16
CPC classification number: G02F1/133606 , B82Y20/00 , F21V9/30 , G02B6/0003 , G02B6/005 , G02B6/0051 , G02B6/0068 , G02B6/0073 , G02F1/133603 , G02F1/133617 , G02F2001/133614 , G02F2202/36 , Y10S977/834
Abstract: A backlight unit for a liquid crystal display device including a liquid crystal panel, includes: a light source including a light-emitting diode (“ED”) which generates and emits light; and a light converting layer between the light source and the liquid crystal panel, spaced apart from the light source, and converting the light from the light source into white light and emitting the white light toward the liquid crystal panel. The light converting layer includes: semiconductor nanocrystals, and a barrier material which restricts penetration of moisture or oxygen.
Abstract translation: 包括液晶面板的液晶显示装置的背光单元包括：包括产生并发光的发光二极管（“ED”）的光源; 以及与光源间隔开的光源与液晶面板之间的光转换层，将来自光源的光转换为白色光，并朝向液晶面板发出白色光。 光转换层包括：半导体纳米晶体和限制水分或氧气渗透的阻挡材料。
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34.发明公开公开(公告)号：US20240141231A1
公开(公告)日：2024-05-02
申请号：US18535107
申请日：2023-12-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kwanghee KIM , Tae Hyung KIM , Hongkyu SEO , Won Sik YOON , Jaeyong LEE , Eun Joo JANG , Oul CHO
CPC classification number: C09K11/883 , C09K11/703 , B82Y40/00
Abstract: A semiconductor nanocrystal including an anion of an inorganic metal salt and a first organic ligand bound to a surface of the semiconductor nanocrystal, wherein the first organic ligand includes a substituted or unsubstituted C6 to C30 aromatic ring group and a carboxylate, a substituted or unsubstituted C3 to C30 aromatic hetero cyclic group and a carboxylate, or a combination thereof.
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公开(公告)号：US20210395611A1
公开(公告)日：2021-12-23
申请号：US17308344
申请日：2021-05-05
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kwanghee KIM , Tae Hyung KIM , Hongkyu SEO , Won Sik YOON , Jaeyong LEE , Eun Joo JANG , Oul CHO
Abstract: A semiconductor nanocrystal including an anion of an inorganic metal salt and a first organic ligand bound to a surface of the semiconductor nanocrystal, wherein the first organic ligand includes a substituted or unsubstituted C6 to C30 aromatic ring group and a carboxylate, a substituted or unsubstituted C3 to C30 aromatic hetero cyclic group and a carboxylate, or a combination thereof.
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Patent Agency Ranking
公开(公告)号：US20210359238A1
公开(公告)日：2021-11-18
申请号：US17387281
申请日：2021-07-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sung Woo KIM , Tae Ho KIM , Eun Joo JANG , Hongkyu SEO , Sang Jin LEE , Dae Young CHUNG , Oul CHO
Abstract: A quantum dot device includes: a first electrode and a second electrode facing each other; a quantum dot layer between the first electrode and the second electrode, and an electron auxiliary layer between the quantum dot layer and the second electrode, the electron auxiliary layer including a first nanoparticle and a second nanoparticle which is larger than the first nanoparticle, wherein a work function of the first electrode is greater than a work function of the second electrode, and wherein a difference between a lowest unoccupied molecular orbital energy level of the quantum dot layer and a lowest unoccupied molecular orbital energy level of the electron auxiliary layer is less than about 1.1 electronvolts.
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公开(公告)号：US20210226145A1
公开(公告)日：2021-07-22
申请号：US17205015
申请日：2021-03-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae Young CHUNG , Kwanghee KIM , Hongkyu SEO , Eun Joo JANG , Oul CHO , Tae Hyung KIM , Yuho WON , Hee Jae LEE
Abstract: A light emitting device, a method of manufacturing the same, and a display device including the same are disclosed. The light emitting device including a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode, the emission layer including quantum dots, and a charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer includes a first surface facing the charge auxiliary layer and an opposite second surface, the quantum dots include a first organic ligand on a surface of the quantum dots, in the emission layer, an amount of the first organic ligand in a portion adjacent to the first surface is larger than an amount of the first organic ligand in a portion adjacent to the second surface.
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公开(公告)号：US20200083470A1
公开(公告)日：2020-03-12
申请号：US16549472
申请日：2019-08-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae Young CHUNG , Kwanghee KIM , Hongkyu SEO , Eun Joo JANG , Oul CHO , Tae Hyung KIM , Yuho WON , Hee Jae LEE
Abstract: A light emitting device, a method of manufacturing the same, and a display device including the same are disclosed. The light emitting device including a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode, the emission layer including quantum dots, and a charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer includes a first surface facing the charge auxiliary layer and an opposite second surface, the quantum dots include a first organic ligand on a surface of the quantum dots, in the emission layer, an amount of the first organic ligand in a portion adjacent to the first surface is larger than an amount of the first organic ligand in a portion adjacent to the second surface.
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39.发明申请公开(公告)号：US20190326533A1
公开(公告)日：2019-10-24
申请号：US16391692
申请日：2019-04-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kwanghee KIM , Oul CHO , Chan Su KIM , Tae Hyung KIM , Eun Joo JANG , Moon Gyu HAN
Abstract: A light emitting film including a plurality of quantum dots and an electronic device including the same. The plurality of quantum dots constitute at least a portion of a surface of the light emitting film, the plurality of quantum dots do not include cadmium, and the at least a portion of a surface of the light emitting film includes a metal halide bound to at least one quantum dot of the plurality of quantum dots.
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40.发明申请公开(公告)号：US20190280233A1
公开(公告)日：2019-09-12
申请号：US16298357
申请日：2019-03-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Tae Hyung KIM , Sung Woo KIM , Jin A KIM , Yuho WON , Jeong Hee LEE , Eun Joo JANG , Oul CHO
Abstract: A quantum dot including a core including a first semiconductor nanocrystal including zinc, tellurium, and selenium and a semiconductor nanocrystal shell disposed on the core and including zinc, tellurium, selenium, and sulfur, a production method thereof, and an electronic device including the same. The quantum dot is free of cadmium, the quantum dot has a mole ratio of tellurium with respect to selenium of less than or equal to about 0.06:1, a photoluminescence peak wavelength of the quantum dot is greater than or equal to about 450 nm and less than or equal to about 470 nanometers (nm), and a full width at half maximum (FWHM) of a photoluminescence peak of the quantum dot is less than or equal to about 41 nm.
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