公开(公告)号：US12031070B2

公开(公告)日：2024-07-09

申请号：US17199613

申请日：2021-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jooyeon Ahn ,  Hyeyeon Yang ,  Tae Gon Kim ,  Jongmin Lee ,  Shin Ae Jun

IPC: H01L35/24 ,  C08J5/18 ,  C09K11/06 ,  C09K11/54 ,  C09K11/56 ,  C09K11/62 ,  C09K11/70 ,  H01L51/00 ,  H10K50/115 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00

CPC classification number: C09K11/565 ,  C08J5/18 ,  C09K11/06 ,  C09K11/54 ,  C09K11/62 ,  C09K11/70 ,  H10K50/115 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  C08J2300/12

Abstract: A quantum dot, and a quantum dot composite and a device including the same are disclosed, wherein the quantum dot includes a template including a first semiconductor nanocrystal, a quantum well (e.g., quantum well layer) disposed on the template and a shell disposed on the quantum well, the shell including a second semiconductor nanocrystal, and wherein the quantum dot does not include cadmium, wherein the first semiconductor nanocrystal includes a first zinc chalcogenide, wherein the second semiconductor nanocrystal includes a second zinc chalcogenide, and the quantum well layer includes an alloy semiconductor nanocrystal including indium (In), phosphorus (P), zinc (Zn), and a chalcogen element wherein a bandgap energy of the alloy semiconductor nanocrystal is less than a bandgap energy of the first semiconductor nanocrystal and less than a bandgap energy of the second semiconductor nanocrystal.

公开(公告)号：US10678130B2

公开(公告)日：2020-06-09

申请号：US16442984

申请日：2019-06-17

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: G02F1/1335 ,  G02B5/20 ,  G03F7/00 ,  G03F7/16 ,  G03F7/20 ,  G03F7/32 ,  G03F7/40 ,  G03F7/033 ,  G03F7/031 ,  G03F7/004 ,  G03F7/028 ,  G03F7/027 ,  G03F7/105 ,  G02B5/22

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：US10889755B2

公开(公告)日：2021-01-12

申请号：US15819556

申请日：2017-11-21

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

Inventor： Jinsuop Youn ,  Ha Il Kwon ,  Misun Kim ,  Jooyeon Ahn ,  Hyeyeon Yang ,  Bumjin Lee ,  Jongmin Lee ,  Shin Ae Jun ,  Hyunjoo Han

IPC: C09K11/70 ,  C09K11/02 ,  F21V8/00 ,  G02F1/1335 ,  G02F1/13357

Abstract: A photosensitive resin composition includes (A) a photo-conversion material; (B) a metal-containing compound; (C) a photopolymerizable monomer; (D) a photopolymerization initiator; and (E) a solvent, wherein the metal-containing compound includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or Tl) structure, a complex including a polymer matrix in which a photo-conversion material is dispersed, wherein the polymer matrix includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or Tl) structure and an ester linking group, a laminated structure including the complex, and a display device and an electronic device including the laminated structure.

公开(公告)号：US11807764B2

公开(公告)日：2023-11-07

申请号：US16507790

申请日：2019-07-10

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeyeon Yang ,  Shin Ae Jun

IPC: C09D11/38 ,  C08K5/101 ,  C08K5/37 ,  C09D11/36 ,  C08K3/11 ,  C08K5/03 ,  C08L33/10 ,  C08K3/105 ,  B82Y20/00

CPC classification number: C09D11/38 ,  C08K3/105 ,  C08K3/11 ,  C08K5/03 ,  C08K5/101 ,  C08K5/37 ,  C08L33/10 ,  C09D11/36 ,  B82Y20/00 ,  C08K2201/011

Abstract: An ink composition includes a quantum dot; a carboxyl group (—COOH)-containing binder polymer; an electrical insulating polymer precursor; a radical initiator; and a liquid vehicle, wherein the liquid vehicle includes a mixture of a first organic compound including a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2, or a combination thereof, and a second organic compound including a compound represented by Chemical Formula 3, a compound represented by Chemical Formula 4, or a combination thereof:

公开(公告)号：US11597876B2

公开(公告)日：2023-03-07

申请号：US17227668

申请日：2021-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeyeon Yang ,  Jooyeon Ahn ,  Tae Gon Kim ,  Jongmin Lee ,  Shin Ae Jun

IPC: C09K11/62 ,  C09K11/56 ,  C09K11/70 ,  H05B33/14 ,  G03F7/20 ,  G03F7/004 ,  C09K11/88 ,  C09K11/02 ,  G02F1/1335 ,  B82Y40/00 ,  B82Y20/00 ,  B82Y30/00

Abstract: A quantum dot, and a quantum dot composite and a device including the same, wherein the quantum dot includes a seed including a first semiconductor nanocrystal, a quantum well layer disposed on the seed and a shell disposed on the quantum well layer, the shell including a second semiconductor nanocrystal, and wherein the quantum dot does not include cadmium, wherein the first semiconductor nanocrystal includes a first zinc chalcogenide, wherein the second semiconductor nanocrystal includes a second zinc chalcogenide, and the quantum well layer includes an alloy semiconductor nanocrystal including indium (In), phosphorus (P), and gallium (Ga), and wherein a bandgap energy of the alloy semiconductor nanocrystal is less than a bandgap energy of the first semiconductor nanocrystal and less than a bandgap energy of the second semiconductor nanocrystal.

公开(公告)号：US11248139B2

公开(公告)日：2022-02-15

申请号：US17065939

申请日：2020-10-08

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeyeon Yang ,  Shang Hyeun Park ,  Shin Ae Jun

IPC: C09D11/52 ,  B01J31/24 ,  C09D11/107 ,  C09K11/02 ,  C09K11/08 ,  C09K11/56 ,  H01L51/50 ,  C09D11/38 ,  B01J31/34 ,  B01J31/12 ,  H01L33/50 ,  B01J31/28 ,  C09D5/22 ,  B01J31/16 ,  B01J31/04 ,  B01J31/30 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00

Abstract: An ink composition, including a quantum dot; a metal catalyst; an aromatic halide compound; an ene compound including at least one C—H moiety and a carbon-carbon unsaturated bond; and optionally, a metal oxide particle, wherein the metal catalyst is a metal salt, a metal coordination complex, or a combination thereof, wherein the metal catalyst comprises a metal that is palladium, nickel, ruthenium, rhodium, iridium, iron, cobalt, chromium, copper, platinum, silver, gold, or a combination thereof.

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.