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公开(公告)号：US20210102120A1
公开(公告)日：2021-04-08
申请号：US17106317
申请日：2020-11-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Taekhoon KIM , Seonmyeong CHOI , Jongmin LEE , Tae Gon KIM , Young Seok PARK , Shin Ae JUN
Abstract: A photosensitive composition including a quantum dot; a binder polymer including a carboxylic acid group; a photopolymerizable monomer including a carbon-carbon double bond; and a photoinitiator, a patterned film produced therefrom and a display device including the same. The quantum dot includes a seed including a first semiconductor nanocrystal, a quantum well including a second semiconductor nanocrystal, the quantum well surrounding the seed and a shell disposed on the quantum well, the shell including a third semiconductor nanocrystal and not including cadmium, the second semiconductor nanocrystal has a different composition from each of the first semiconductor nanocrystal and the third semiconductor nanocrystal, and an energy bandgap of the second semiconductor nanocrystal is smaller than an energy bandgap of the first semiconductor nanocrystal and an energy bandgap of the third semiconductor nanocrystal.
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公开(公告)号：US20170088775A1
公开(公告)日：2017-03-30
申请号：US15251643
申请日：2016-08-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Garam PARK , Eun Joo JANG , Yongwook KIM , Jihyun MIN , Hyo Sook JANG , Shin Ae JUN , Taekhoon KIM , Yuho WON
CPC classification number: C09K11/883 , B82Y20/00 , C09K11/02 , C09K11/70 , Y10S977/774 , Y10S977/95
Abstract: A semiconductor nanocrystal particle including: a core including a first semiconductor material; and a shell disposed on the core, wherein the shell includes a second semiconductor material, wherein the shell is free of cadmium, wherein the shell has at least two branches and at least one valley portion connecting the at least two branches, and wherein the first semiconductor material is different from the second semiconductor material.
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公开(公告)号：US20150083969A1
公开(公告)日：2015-03-26
申请号：US14494673
申请日：2014-09-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyunki KIM , Shin Ae JUN , Eun Joo JANG , Yongwook KIM , Tae Gon KIM , Yuho WON , Taekhoon KIM , Hyo Sook JANG
IPC: C09K11/88
CPC classification number: C09K11/883 , B82Y20/00 , B82Y40/00 , C09K11/025 , C09K11/565 , C09K11/61 , C09K11/612 , C09K11/70 , C09K11/705 , C09K11/88 , Y10S977/774 , Y10S977/892 , Y10S977/95
Abstract: A nanocrystal particle including at least one semiconductor material and at least one halogen element, the nanocrystal particle including: a core comprising a first semiconductor nanocrystal; and a shell surrounding the core and comprising a crystalline or amorphous material, wherein the halogen element is present as being doped therein or as a metal halide
Abstract translation: 包括至少一种半导体材料和至少一种卤素元素的纳米晶体颗粒，所述纳米晶体颗粒包括：包含第一半导体纳米晶体的芯; 以及围绕所述芯并且包含结晶或非晶材料的壳，其中所述卤素元素作为掺杂在其中或作为金属卤化物存在
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公开(公告)号：US20240063864A1
公开(公告)日：2024-02-22
申请号：US18446941
申请日：2023-08-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Bozhi LI , He WANG , Jeongheum LEE , Taekhoon KIM
IPC: H04B7/06
CPC classification number: H04B7/0617 , H04B7/0639
Abstract: Communication methods and devices thereof. A method performed by a User Equipment (UE) in a communication system may include obtaining a first message when the UE is in a connected state, wherein the first message comprises beamlock related information that can be applied in a non-connected state, and performing a corresponding beamlock related operation based on the beamlock related information when the UE is in the non-connected state.
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公开(公告)号：US20210355380A1
公开(公告)日：2021-11-18
申请号：US17238538
申请日：2021-04-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sung Jun PARK , Junghwa KIM , Tae Gon KIM , Taekhoon KIM , Young Mo SUNG , Nayoun WON , Dongjin YUN , Mi Hye LIM , Shin Ae JUN , Hyeonsu HEO
IPC: C09K11/56
Abstract: A quantum dot including a semiconductor nanocrystal core including Group III-V compound, a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell including zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell, the second semiconductor nanocrystal shell including zinc and sulfur, and a composite/electronic device. The quantum dot does not include cadmium and the first semiconductor nanocrystal shell includes a polyvalent metal dopant at an interface with the second semiconductor nanocrystal shell.
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Patent Agency Ranking
16.发明申请公开(公告)号：US20210324268A1
公开(公告)日：2021-10-21
申请号：US17234845
申请日：2021-04-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyeyeon YANG , Jooyeon AHN , Taekhoon KIM , Shang Hyeun PARK , Nayoun WON , Mi Hye LIM , Shin Ae JUN
Abstract: A cadmium-free quantum dot, a quantum dot-polymer composite including the cadmium-free quantum dot, a display device including the quantum dot-polymer composite, and an electroluminescent device including the cadmium-free quantum dot are disclosed, wherein the cadmium-free quantum dot includes a core including a first semiconductor nanocrystal including indium and phosphorus; a light emitting layer surrounding the core and including a second semiconductor nanocrystal including indium and phosphorus; a first shell disposed between the core and the light emitting layer and including a semiconductor nanocrystal including zinc, and selenium, sulfur, or a combination thereof; and a second shell disposed on the light emitting layer and including a semiconductor nanocrystal including zinc, and selenium, sulfur, or a combination thereof, and wherein the quantum is a single light emitting quantum dot having an emission peak wavelength in a range of about 500 nanometers (nm) to about 550 nm.
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公开(公告)号：US20210126212A1
公开(公告)日：2021-04-29
申请号：US17080069
申请日：2020-10-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Nayoun WON , Mi Hye LIM , Tae Gon KIM , Taekhoon KIM , Shang Hyeun PARK , Shin Ae JUN
Abstract: A cadmium-free, core shell quantum dot, a quantum dot polymer composite, and electronic devices including the quantum dot polymer composite. The core shell quantum dot has an extinction coefficient per gram of greater than or equal to 0.3, an ultraviolet-visible absorption spectrum curve that has a positive differential coefficient value at 450 nm, wherein the core shell quantum dot includes a semiconductor nanocrystal core including indium and phosphorus, and optionally zinc, and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur, wherein the core shell quantum dot has a quantum efficiency of greater than or equal to about 80%, and is configured to emit green light upon excitation.
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公开(公告)号：US20200220043A1
公开(公告)日：2020-07-09
申请号：US16786004
申请日：2020-02-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Garam PARK , Tae Hyung KIM , Eun Joo JANG , Hyo Sook JANG , Shin Ae JUN , Yongwook KIM , Taekhoon KIM , Jihyun MIN , Yuho WON
IPC: H01L33/04 , H01L33/34 , H01L33/32 , H01L33/30 , H01L33/28 , H01L33/24 , C09K11/88 , C09K11/70 , C09K11/61 , C09K11/02
Abstract: A quantum dot includes a core-shell structure including a core including a first semiconductor nanocrystal and a shell disposed on the core, and including a material at least two different halogens, and the quantum dot does not include cadmium.
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公开(公告)号：US20200017765A1
公开(公告)日：2020-01-16
申请号：US16507461
申请日：2019-07-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Taekhoon KIM , Seonmyeong CHOI , Jongmin LEE , Tae Gon KIM , Young Seok PARK , Shin Ae JUN
Abstract: A photosensitive composition including a quantum dot; a binder polymer including a carboxylic acid group; a photopolymerizable monomer including a carbon-carbon double bond; and a photoinitiator, a patterned film produced therefrom and a display device including the same. The quantum dot includes a seed including a first semiconductor nanocrystal, a quantum well including a second semiconductor nanocrystal, the quantum well surrounding the seed and a shell disposed on the quantum well, the shell including a third semiconductor nanocrystal and not including cadmium, the second semiconductor nanocrystal has a different composition from each of the first semiconductor nanocrystal and the third semiconductor nanocrystal, and an energy bandgap of the second semiconductor nanocrystal is smaller than an energy bandgap of the first semiconductor nanocrystal and an energy bandgap of the third semiconductor nanocrystal.
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公开(公告)号：US20240172464A1
公开(公告)日：2024-05-23
申请号：US18404975
申请日：2024-01-05
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Nayoun WON , Mi Hye LIM , Tae Gon KIM , Taekhoon KIM , Shang Hyeun PARK , Shin Ae JUN
IPC: H10K50/115 , C09K11/02 , C09K11/56 , C09K11/70 , C09K11/88
CPC classification number: H10K50/115 , C09K11/02 , C09K11/565 , C09K11/703 , C09K11/883
Abstract: A cadmium-free, core shell quantum dot, a quantum dot polymer composite, and electronic devices including the quantum dot polymer composite. The core shell quantum dot has an extinction coefficient per gram of greater than or equal to 0.3, an ultraviolet-visible absorption spectrum curve that has a positive differential coefficient value at 450 nm, wherein the core shell quantum dot includes a semiconductor nanocrystal core including indium and phosphorus, and optionally zinc, and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur, wherein the core shell quantum dot has a quantum efficiency of greater than or equal to about 80%, and is configured to emit green light upon excitation.
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