公开(公告)号：US10559712B2

公开(公告)日：2020-02-11

申请号：US16111848

申请日：2018-08-24

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 ,  C09K11/61 ,  H01L33/28 ,  H01L33/34 ,  C09K11/02 ,  C09K11/70 ,  C09K11/88 ,  H01L33/24 ,  H01L33/30 ,  H01L33/32

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.

公开(公告)号：US10424695B2

公开(公告)日：2019-09-24

申请号：US15841876

申请日：2017-12-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yuho Won ,  Jihyun Min ,  Eun Joo Jang ,  Hyo Sook Jang

IPC: H01L33/50 ,  C09K11/88 ,  H01L31/0232 ,  H01L31/0384 ,  H01L31/105 ,  H01L21/02 ,  C09K11/02 ,  C09K11/70 ,  H01L33/08 ,  F21V8/00 ,  G02F1/1335 ,  B82Y20/00 ,  B82Y40/00 ,  H01L33/06

Abstract: An emissive nanocrystal particle includes a core including a first semiconductor nanocrystal including a Group III-V compound and a shell including a second semiconductor nanocrystal surrounding the core, wherein the emissive nanocrystal particle includes a non-emissive Group I element.

公开(公告)号：US10160649B2

公开(公告)日：2018-12-25

申请号：US14909235

申请日：2014-07-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyo Sook Jang ,  Shin Ae Jun ,  Eun Joo Jang

IPC: C09K11/00 ,  C09K11/08 ,  B82Y20/00 ,  B82Y40/00 ,  C01B19/00 ,  B82Y30/00

Abstract: A process of synthesizing Ga—Se nanocrystals is provided, the process including: contacting a first precursor containing gallium with a second precursor containing selenium to obtain a Ga—Se single precursor; and reacting the Ga—Se single precursor in a solvent in the presence of a ligand compound, and optionally with a third precursor including an element (A) other than gallium and selenium, to prepare a Ga—Se nanocrystal represented by Chemical Formula 1: GaSexAy   [Chemical Formula 1] wherein x is about 1.1 to 3, and y is about 0.1 to 4.

公开(公告)号：US09701901B2

公开(公告)日：2017-07-11

申请号：US15184011

申请日：2016-06-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyun A Kang ,  Eun Joo Jang ,  Young Hwan Kim ,  Shin Ae Jun ,  Hyo Sook Jang

IPC: C09K11/88 ,  C09K11/70 ,  H01L33/56 ,  C08L81/02 ,  C08G75/045 ,  H01L33/50 ,  C09K11/02 ,  B82Y20/00 ,  B82Y30/00

CPC classification number: C09K11/883 ,  B82Y20/00 ,  B82Y30/00 ,  C08G75/045 ,  C08G75/12 ,  C08L81/02 ,  C09K11/02 ,  C09K11/703 ,  H01L33/501 ,  H01L33/502 ,  H01L33/56 ,  H01L2933/0033 ,  H01L2933/0041 ,  H01L2933/005

Abstract: A composition comprising: a first monomer comprising at least three thiol groups, each located at a terminal end of the first monomer, wherein the first monomer is represented by the following Chemical Formula 1-1: a second monomer comprising at least two unsaturated carbon-carbon bonds, each located at a terminal end of the second monomer, wherein the second monomer is represented by the following Chemical Formula 2: wherein in Chemical Formulae 1 and 2 groups R2, Ra to Rd, Ya to Yd, L1′ and L2, X and variables k3 and k4 are the same as described in the specification, and a first light emitting particle, wherein the first light emitting particle consists of a semiconductor nanocrystal comprising a Group II-VI compound, a Group III-V compound, a Group IV-VI compound, or a combination thereof, wherein the first light emitting particle has a core/shell structure having a first semiconductor nanocrystal being surrounded by a second semiconductor nanocrystal, and the first semiconductor nanocrystal being different from the second semiconductor nanocrystal.

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

IPC: H01J1/62 ,  C09K11/02 ,  C09K11/88 ,  H01L33/50

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） 。

公开(公告)号：US11917899B2

公开(公告)日：2024-02-27

申请号：US17193078

申请日：2021-03-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Masashi Tsuji ,  Takahiro Fujiyama ,  Yusaku Konishi ,  Dae Young Chung ,  Fumiaki Kato ,  Jaejun Chang ,  Keigo Furuta ,  Takao Motoyama ,  Eun Joo Jang ,  Hyo Sook Jang ,  Tae Ho Kim ,  Tomoyuki Kikuchi ,  Yuho Won

IPC: H10K85/10 ,  C09K11/06 ,  C08G61/12 ,  H10K50/15 ,  H10K50/17

CPC classification number: H10K85/115 ,  C08G61/12 ,  C09K11/06 ,  H10K85/151 ,  C08G2261/124 ,  C08G2261/147 ,  C08G2261/148 ,  C08G2261/1412 ,  C08G2261/18 ,  C08G2261/228 ,  C08G2261/312 ,  C08G2261/3142 ,  C08G2261/3162 ,  C08G2261/95 ,  C09K2211/1416 ,  C09K2211/1425 ,  C09K2211/1433 ,  H10K50/15 ,  H10K50/17

Abstract: An arylamine-fluorene alternating copolymer having a structural unit (A) is represented by Chemical Formula (1):




wherein Chemical Formula (1) is the same as described in the detailed description.

公开(公告)号：US11845888B2

公开(公告)日：2023-12-19

申请号：US17989035

申请日：2022-11-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yuho Won ,  Nayoun Won ,  Sungwoo Hwang ,  Eun Joo Jang ,  Soo Kyung Kwon ,  Yong Wook Kim ,  Jihyun Min ,  Garam Park ,  Shang Hyeun Park ,  Hyo Sook Jang ,  Shin Ae Jun ,  Yong Seok Han

IPC: C09K11/08 ,  C08L57/10 ,  G02F1/13357 ,  C09K11/02 ,  C09K11/56 ,  C09K11/70 ,  C09K11/88 ,  H05B33/14 ,  H10K50/115 ,  H10K59/38 ,  B82Y40/00 ,  B82Y20/00 ,  G02F1/1335

CPC classification number: C09K11/0883 ,  C08L57/10 ,  C09K11/025 ,  C09K11/565 ,  C09K11/70 ,  C09K11/883 ,  G02F1/133617 ,  H05B33/14 ,  H10K50/115 ,  H10K59/38 ,  B82Y20/00 ,  B82Y40/00 ,  C08L2203/20 ,  G02F1/133614 ,  G02F2202/022 ,  G02F2202/102 ,  G02F2202/36

Abstract: 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.

公开(公告)号：US11725141B2

公开(公告)日：2023-08-15

申请号：US17166059

申请日：2021-02-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seonmyeong Choi ,  Eun Joo Jang ,  Hyo Sook Jang ,  Kun Su Park

IPC: C09K11/88 ,  C09K11/70 ,  C09K11/08 ,  H01L33/00 ,  H01L33/26 ,  H01L33/06 ,  H01L51/50 ,  B82Y40/00 ,  B82Y20/00

CPC classification number: C09K11/883 ,  C09K11/0883 ,  C09K11/703 ,  H01L33/002 ,  H01L33/06 ,  H01L33/26 ,  H01L51/502 ,  B82Y20/00 ,  B82Y40/00

Abstract: Quantum dots and electroluminescent device including the same. The quantum dots include an alloy core including a first semiconductor nanocrystal including indium (In), gallium (Ga), and phosphorous (P), and a semiconductor nanocrystal shell disposed on the alloy core, wherein the quantum dots do not include cadmium, wherein the quantum dots are configured to emit blue light having a maximum emission peak wavelength that is greater than or equal to about 440 nanometers (nm) and less than or equal to about 490 nm, wherein in the quantum dots, a mole ratio of gallium with respect to a sum of indium and gallium is greater than or equal to about 0.2:1 and less than or equal to about 0.75:1, and wherein the semiconductor nanocrystal shell includes a zinc chalcogenide.

公开(公告)号：US11661547B2

公开(公告)日：2023-05-30

申请号：US16883989

申请日：2020-05-26

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Samsung SDI Co., Ltd. ,  Samsung Display Co., Ltd.

Inventor： Shin Ae Jun ,  Taekhoon Kim ,  Garam Park ,  Yong Seok Han ,  Eun Joo Jang ,  Hyo Sook Jang ,  Tae Won Jeong ,  Shang Hyeun Park

IPC: C09K11/62 ,  C09K11/70 ,  C09K11/08 ,  C09K11/88 ,  C09K11/56 ,  C09K11/02 ,  C08K3/32 ,  C08K3/30 ,  G02F1/1335 ,  G02F1/13357 ,  B82Y40/00 ,  B82Y20/00 ,  B82Y30/00

CPC classification number: C09K11/025 ,  C08K3/30 ,  C08K3/32 ,  C09K11/703 ,  C09K11/883 ,  G02F1/133516 ,  G02F1/133617 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  C08K2201/001 ,  G02F2202/36 ,  Y10S977/774 ,  Y10S977/896 ,  Y10S977/95

Abstract: A quantum dot, including a core including a first semiconductor material that includes indium; and a shell including a second semiconductor material, and disposed on the core, wherein the first semiconductor material and the second semiconductor material are different, wherein the shell has at least two branch portions and a valley portion connecting the at least two branch portions, at least one of the at least two branch portions comprises Zn, Se, and S, and a content of sulfur in the at least one branch portion increases in a direction away from the core.

公开(公告)号：US11639469B2

公开(公告)日：2023-05-02

申请号：US16254676

申请日：2019-01-23

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  The Governing Council of the University of Toronto

Inventor： Jihyun Min ,  Eun Joo Jang ,  Hyo Sook Jang ,  Ankit Jain ,  Edward Sargent ,  Oleksandr Voznyy ,  Larissa Levina ,  Sjoerd Hoogland ,  Petar Todorovic ,  Makhsud Saidaminov

IPC: C09K11/02 ,  C09K11/88 ,  C09K11/67 ,  C01G25/00 ,  C01G23/00 ,  C01B19/00 ,  B82Y40/00 ,  B82Y20/00 ,  H01L21/02

Abstract: A semiconductor nanocrystal particle including a transition metal chalcogenide represented by Chemical Formula 1, the semiconductor nanocrystal particle having a size of less than or equal to about 100 nanometers, and a method of producing the same: M1M2Cha3  Chemical Formula 1 wherein M1 is Ca, Sr, Ba, or a combination thereof, M2 is Ti, Zr, Hf, or a combination thereof, and Cha is S, Se, Te, or a combination thereof.