公开(公告)号：US11034884B2

公开(公告)日：2021-06-15

申请号：US15787214

申请日：2017-10-18

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

Inventor： Tae Gon Kim ,  Ha Il Kwon ,  Shin Ae Jun

IPC: H01L33/50 ,  C09K11/02 ,  G03F7/00 ,  C08K3/00 ,  C09D5/22 ,  C09K11/88 ,  G02B5/20 ,  G02F1/1335 ,  G03F7/004 ,  G03F7/031 ,  G03F7/16 ,  G03F7/20 ,  G03F7/32 ,  G03F7/40 ,  H01L31/054 ,  B82Y20/00 ,  B82Y40/00 ,  H01L31/055

Abstract: A quantum dot-polymer composite film includes: a plurality of quantum dots, wherein a quantum dot of the plurality of quantum dots includes an organic ligand on a surface of a the quantum dot; a cured product of a photopolymerizable monomer including a carbon-carbon unsaturated bond; and a residue including a residue of a high-boiling point solvent, a residue of a polyvalent metal compound, or a combination thereof.

公开(公告)号：US10948770B2

公开(公告)日：2021-03-16

申请号：US15238127

申请日：2016-08-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Hyung Kim ,  Eun Joo Jang ,  Hyun A Kang ,  Yongwook Kim ,  Jihyun Min ,  Jeong Hee Lee ,  Shin Ae Jun ,  Oul Cho

IPC: G02F1/1335 ,  G02F1/13357 ,  F21V8/00 ,  H01L33/50 ,  B82Y20/00 ,  B82Y30/00

Abstract: A light source includes a light emitting element and a light conversion layer configured to convert light emitted from the light emitting element into white light; wherein the light conversion layer includes a matrix resin and a quantum dot, wherein the white light includes a red light component, a green light component, and a blue light component each having a color purity configured to display a color gamut having a concordance rate of greater than or equal to about 99.0% with an Adobe RGB color gamut of a display device, and wherein the green light component has a peak wavelength of about 525 nanometers to about 528 nanometers and a full width at half maximum of less than or equal to about 40 nanometers, and a red light component having a peak wavelength of about 625 nanometers to about 645 nanometers.

公开(公告)号：US10808169B2

公开(公告)日：2020-10-20

申请号：US15644984

申请日：2017-07-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jeong Hee Lee ,  Hyun A Kang ,  Eun Joo Jang ,  Sang Eui Lee ,  Shin Ae Jun ,  Oul Cho ,  Tae Gon Kim ,  Tae Hyung Kim

IPC: C09K11/02 ,  G02F1/1335 ,  C09K11/59 ,  C01B17/20 ,  C08L33/04 ,  G02F1/361 ,  B24B1/00

Abstract: A method of grinding a semiconductor nanocrystal-polymer composite, the method including obtaining a semiconductor nanocrystal-polymer composite including a semiconductor nanocrystal and a first polymer, contacting the semiconductor nanocrystal-polymer composite with an inert organic solvent; and grinding the semiconductor nanocrystal-polymer composite in the presence of the inert organic solvent to grind the semiconductor nanocrystal-polymer composite.

公开(公告)号：US10703967B2

公开(公告)日：2020-07-07

申请号：US15820781

申请日：2017-11-22

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

Inventor： Jooyeon Ahn ,  Ha Il Kwon ,  Shang Hyeun Park ,  Nayoun Won ,  Eun Joo Jang ,  Shin Ae Jun

IPC: C09K11/02 ,  C09K11/70 ,  C09K11/88 ,  F21V8/00 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50 ,  H05B33/14 ,  B82Y20/00 ,  B82Y40/00

Abstract: A quantum dot including a first ligand and a second ligand on a surface of the quantum dot, a composition or composite including the same, and a device including the same. The first ligand includes a compound represented by Chemical Formula 1 and the second ligand includes a compound represented by Chemical Formula 2: MAn  Chemical Formula 1 wherein M, n, and A are the same as defined in the specification; and wherein, R1, L1, Y1, R, k1, and k2 are the same as defined in the specification.

公开(公告)号：US10676666B2

公开(公告)日：2020-06-09

申请号：US15675251

申请日：2017-08-11

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

Inventor： Ha Il Kwon ,  Tae Gon Kim ,  Jooyeon Ahn ,  Nayoun Won ,  Shin Ae Jun ,  Eun Joo Jang

IPC: C09K11/08 ,  C09K11/02 ,  H01L33/50 ,  H01L33/06 ,  H01L33/28 ,  H01L33/30 ,  H01L33/34

Abstract: A quantum dot aggregate particle including a plurality of quantum dots, a polyvalent metal compound, and a thiol compound having at least two thiol groups at its end terminals, wherein a size of the quantum dot aggregate particle is in a range from about 20 nanometers to 10 micrometers.

公开(公告)号：US10324373B2

公开(公告)日：2019-06-18

申请号：US15924814

申请日：2018-03-19

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SAMSUNG DISPLAY CO., LTD. ,  SAMSUNG SDI CO., LTD.

Inventor： Hyeyeon Yang ,  Tae Hyung Kim ,  Shang Hyeun Park ,  Shin Ae Jun ,  Yong Seok Han ,  Eun Joo Jang ,  Deukseok Chung

IPC: G03F7/028 ,  G03F7/00 ,  G03F7/16 ,  G03F7/20 ,  G03F7/32 ,  G03F7/40 ,  G03F7/033 ,  G03F7/031 ,  G03F7/004 ,  G03F7/027 ,  G03F7/105

Abstract: A photosensitive composition and a quantum dot-polymer composite pattern formed from the photosensitive composition are disclosed, and the photosensitive composition includes: a plurality of quantum dots; a color filter material including an absorption dye, an absorption pigment, or a combination thereof; a polymer binder; a photopolymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent, wherein in a normalized photoluminescence spectrum of the quantum dot and a normalized ultraviolet-visible absorption spectrum of the color filter material, a photoluminescence peak wavelength (PL peak wavelength) of the quantum dot and a wavelength of maximum absorbance of the color filter material do not overlap with each other, and the color filter material is included in an amount of less than or equal to 1 part by weight per 10 parts by weight of the plurality of quantum dots.

公开(公告)号：US10246634B2

公开(公告)日：2019-04-02

申请号：US15333417

申请日：2016-10-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyeyeon Yang ,  Shang Hyeun Park ,  Shin Ae Jun ,  Eun Joo Jang

IPC: G03F7/00 ,  B82Y99/00 ,  C09K11/02 ,  C09K11/70 ,  G03F7/004 ,  G03F7/033 ,  G03F7/105

Abstract: A photosensitive composition including a quantum dot complex having a polymeric outer layer, a carboxylic acid group-containing binder, a photopolymerizable monomer having a carbon-carbon double bond, a photoinitiator, and a solvent, wherein the polymeric outer layer includes a copolymer including: a first repeating unit having a moiety capable of interacting with a surface of the quantum dot, an organic ligand compound bonded to the surface of the quantum dot, or a combination thereof, and a second repeating unit having a reactive moiety.

公开(公告)号：US10179876B2

公开(公告)日：2019-01-15

申请号：US14613659

申请日：2015-02-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: C09K11/70 ,  C09K11/61 ,  C09K11/88 ,  C09K11/02 ,  B82Y20/00 ,  B82Y40/00

Abstract: A nanocrystal particle including: a semiconductor material; boron and optionally fluorine, wherein the particle has an organic ligand bound to a surface thereof, the boron is present as being doped in the particle or as a metal boride and the fluorine is present as being doped in the particle or as a metal fluoride.

公开(公告)号：US20180094190A1

公开(公告)日：2018-04-05

申请号：US15830134

申请日：2017-12-04

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 ,  C09K11/72 ,  H01L29/06 ,  H01L29/22

CPC classification number: C09K11/883 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  C09K11/025 ,  C09K11/565 ,  C09K11/61 ,  C09K11/612 ,  C09K11/70 ,  C09K11/705 ,  C09K11/72 ,  C09K11/722 ,  C09K11/88 ,  H01L29/0665 ,  H01L29/22 ,  H01L33/502 ,  Y10S977/774 ,  Y10S977/818 ,  Y10S977/824 ,  Y10S977/825 ,  Y10S977/892 ,  Y10S977/896 ,  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

公开(公告)号：US09921472B2

公开(公告)日：2018-03-20

申请号：US15295332

申请日：2016-10-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyeyeon Yang ,  Tae Hyung Kim ,  Shang Hyeun Park ,  Shin Ae Jun ,  Yong Seok Han ,  Eun Joo Jang ,  Deukseok Chung

IPC: G03F7/028 ,  G03F7/00 ,  G03F7/16 ,  G03F7/20 ,  G03F7/32 ,  G03F7/40 ,  G03F7/033 ,  G03F7/031 ,  G03F7/004

CPC classification number: G03F7/0007 ,  G03F7/0045 ,  G03F7/0047 ,  G03F7/027 ,  G03F7/028 ,  G03F7/031 ,  G03F7/033 ,  G03F7/105 ,  G03F7/162 ,  G03F7/168 ,  G03F7/2002 ,  G03F7/322 ,  G03F7/40

Abstract: A photosensitive composition and a quantum dot-polymer composite pattern formed from the photosensitive composition are disclosed, and the photosensitive composition includes: a plurality of quantum dots; a color filter material including an absorption dye, an absorption pigment, or a combination thereof; a polymer binder; a photopolymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent, wherein in a normalized photoluminescence spectrum of the quantum dot and a normalized ultraviolet-visible absorption spectrum of the color filter material, a photoluminescence peak wavelength (PL peak wavelength) of the quantum dot and a wavelength of maximum absorbance of the color filter material do not overlap with each other, and the color filter material is included in an amount of less than or equal to 1 part by weight per 10 parts by weight of the plurality of quantum dots.