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公开(公告)号：US11421151B2
公开(公告)日：2022-08-23
申请号：US15821007
申请日：2017-11-22
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Oul Cho , Jooyeon Ahn , Eun Joo Jang , Dae Young Chung , Hyun A Kang , Tae Hyung Kim , Yun Sung Woo , Jeong Hee Lee , Shin Ae Jun
IPC: C09K11/02 , H01L51/50 , H05B33/14 , C09K11/70 , C09K11/88 , F21V8/00 , C09K11/06 , H01L51/00 , B82Y20/00 , B82Y40/00
Abstract: A light emitting device including a semiconductor nanocrystal and a ligand bound to a surface of the semiconductor nanocrystal, wherein the ligand includes an organic thiol ligand or a salt thereof and a polyvalent metal compound including a metal including Zn, In, Ga, Mg, Ca, Sc, Sn, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Sr, Y, Zr, Nb, Mo, Cd, Ba, Au, Hg, Tl, or a combination thereof, and a display device including the light emitting device.
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12.发明授权公开(公告)号：US11050033B2
公开(公告)日：2021-06-29
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
IPC: H01L51/50 , C09K11/88 , H01L51/56 , C09K11/08 , C09K11/59 , C09K11/56 , C09K11/54 , C09K11/62 , C09K11/55 , C09K11/74 , C09K11/89 , C09K11/66 , C09K11/65 , C09K11/61 , C09K11/70 , C09K11/64
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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公开(公告)号：US10854836B2
公开(公告)日：2020-12-01
申请号：US16530253
申请日：2019-08-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Tae Ho Kim , Won Sik Yoon , Jeong Hee Lee , Eun Joo Jang , Oul Cho
Abstract: A light emitting device includes: a first electrode and a second electrode facing each other, an emissive layer disposed between the first electrode and the second electrode and including a quantum dot, an electron auxiliary layer disposed between the emissive layer and the second electrode and including a plurality of nanoparticles, and a polymer layer between a portion of the second electrode and the electron auxiliary layer, wherein the nanoparticles include a metal oxide including zinc, wherein the second electrode has a first surface facing a surface of the electron auxiliary layer and a second surface opposite to the first surface, and the polymer layer is disposed on a portion of the second surface and a portion of the surface of the electron auxiliary layer, and wherein the polymer layer includes a polymerization product of a thiol compound and an unsaturated compound having at least two carbon-carbon unsaturated bonds.
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公开(公告)号：US10585226B2
公开(公告)日：2020-03-10
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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公开(公告)号：US10001671B2
公开(公告)日：2018-06-19
申请号：US15707195
申请日：2017-09-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Na Youn Won , Hyun A Kang , Eun Joo Jang , Shin Ae Jun , Oul Cho
IPC: H01B1/12 , G02F1/1335 , F21V8/00 , C09K11/00
CPC classification number: G02F1/133615 , C09K11/00 , C09K11/02 , C09K11/70 , G02B6/005 , G02F2001/133614 , Y10S977/774
Abstract: A semiconductor nanocrystal composition including a semiconductor nanocrystal, an organic additive, and at least one polymerizable substance selected from a polymerizable monomer, a polymerizable oligomer, and a combination thereof, wherein the composition has haze of greater than or equal to about 40% after polymerization.
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Patent Agency Ranking
公开(公告)号：US09181471B2
公开(公告)日：2015-11-10
申请号：US14059594
申请日：2013-10-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyun A Kang , Oul Cho , Eun Joo Jang , Hyo Sook Jang , Shin Ae Jun , Soo Kyung Kwon , Won Joo Lee
CPC classification number: C09K11/02 , C09K11/883 , H01L33/501 , H01L33/502 , H01L2224/48091 , Y02B20/181 , H01L2924/00014
Abstract: A light emitting device including: a blue light source; a phosphor; and a semiconductor nanocrystal, and emits white light having a R1-R8 average color rendering index (“CRI”) of greater than or equal to about 90, and a R9 red color rendering index (R9) of greater than or equal to about 90.
Abstract translation: 一种发光器件，包括：蓝色光源; 磷光体 和半导体纳米晶体，并且发射具有大于或等于约90的R1-R8平均显色指数（“CRI”）的白光和大于或等于约90的R9红色显色指数（R9） 。
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公开(公告)号：US11925044B2
公开(公告)日：2024-03-05
申请号：US17944394
申请日：2022-09-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Tae Ho Kim , Won Sik Yoon , Jeong Hee Lee , Eun Joo Jang , Oul Cho
IPC: H10K50/115 , H10K50/81 , H10K50/84 , H10K59/00 , H10K71/00 , H10K102/10
CPC classification number: H10K50/115 , H10K50/81 , H10K50/84 , H10K71/00 , H10K59/00 , H10K2102/103
Abstract: A light emitting device includes: a first electrode and a second electrode facing each other, an emissive layer disposed between the first electrode and the second electrode and including a quantum dot, an electron auxiliary layer disposed between the emissive layer and the second electrode and including a plurality of nanoparticles, and a polymer layer between a portion of the second electrode and the electron auxiliary layer, wherein the nanoparticles include a metal oxide including zinc, wherein the second electrode has a first surface facing a surface of the electron auxiliary layer and a second surface opposite to the first surface, and the polymer layer is disposed on a portion of the second surface and a portion of the surface of the electron auxiliary layer, and wherein the polymer layer includes a polymerization product of a thiol compound and an unsaturated compound having at least two carbon-carbon unsaturated bonds.
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18.发明授权公开(公告)号：US11917841B2
公开(公告)日：2024-02-27
申请号：US17123292
申请日：2020-12-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaejun Chang , Kwanghee Kim , Won Sik Yoon , Eun Joo Jang , Oul Cho
IPC: H10K50/115 , H10K50/11 , H10K50/15 , H10K101/40
CPC classification number: H10K50/115 , H10K50/11 , H10K50/15 , H10K2101/40
Abstract: A light-emitting device including a first electrode, a second electrode, and a light-emitting film disposed between the first electrode and the second electrode, and a method of producing the device. The light-emitting film includes a fluorine-containing organic salt, and quantum dots that do not include cadmium, lead, or a combination thereof, and the fluorine-containing organic salt includes a substituted or unsubstituted C1 to C30 hydrocarbon group, a non-metallic element, fluorine, and at least one of boron or phosphorus, and the non-metallic element includes carbon, nitrogen, oxygen, phosphorus, sulfur, or selenium.
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公开(公告)号：US11784282B2
公开(公告)日：2023-10-10
申请号：US16658604
申请日：2019-10-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Oul Cho , Eun Joo Jang , Tae Hyung Kim
CPC classification number: H01L33/06 , H01L27/156 , H01L33/36 , H01L33/56
Abstract: A quantum dot display device includes a substrate, a quantum dot diode disposed on the substrate and including a first electrode, a second electrode, and a quantum dot layer between the first electrode and the second electrode, and an encapsulation film disposed on a surface of the quantum dot diode, wherein a water vapor transmission rate of the encapsulation film is about 0.001 to about 1 gram per square meter per day at 1 atmosphere of pressure.
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公开(公告)号：US11710448B2
公开(公告)日：2023-07-25
申请号：US17578173
申请日：2022-01-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Oul Cho , Tae Hyung Kim , Ilyoung Lee , Eun Joo Jang , Won Sik Yoon
IPC: G09G3/32 , H10K50/115
CPC classification number: G09G3/32 , G09G2300/0842 , G09G2300/0861 , G09G2310/08 , G09G2320/043 , H10K50/115
Abstract: A light emitting element includes a first electrode, a second electrode, and a light emission layer interposed between the first electrode and the second electrode, where an emission efficiency of the light emission layer varies based on a voltage applied to at least one selected from the first electrode and the second electrode.
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