公开(公告)号：US11977329B2

公开(公告)日：2024-05-07

申请号：US17207501

申请日：2021-03-19

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

Inventor： Shang Hyeun Park ,  Hojeong Paek ,  Eun Joo Jang ,  Shin Ae Jun

IPC: G03F7/00 ,  C08F220/14 ,  C09D4/06 ,  C09K11/02 ,  C09K11/70 ,  G02B5/20 ,  G02B5/22 ,  G03F7/004 ,  G03F7/033 ,  B82Y30/00 ,  B82Y40/00

CPC classification number: G03F7/0007 ,  C08F220/14 ,  C09D4/06 ,  C09K11/02 ,  C09K11/703 ,  G02B5/207 ,  G02B5/223 ,  G03F7/004 ,  G03F7/0042 ,  G03F7/0047 ,  G03F7/033 ,  B82Y30/00 ,  B82Y40/00 ,  C09D4/06 ,  C08F265/06 ,  C08F220/14 ,  C08F220/06

Abstract: A photosensitive composition including a quantum dot dispersion, a reactive compound having at least two thiol groups, a photopolymerizable monomer having a carbon-carbon double bond, and a photoinitiator, wherein the quantum dot dispersion includes a carboxylic acid group-containing polymer and a quantum dot dispersed in the carboxylic acid group containing polymer, and wherein the carboxylic acid group-containing polymer includes a copolymer of a monomer combination including a first monomer having a carboxylic acid group and a carbon-carbon double bond and a second monomer having a carbon-carbon double bond and a hydrophobic moiety and not having a carboxylic acid group.

公开(公告)号：US11927838B2

公开(公告)日：2024-03-12

申请号：US18220364

申请日：2023-07-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Gon Kim ,  Garam Park ,  Jooyeon Ahn ,  Shang Hyeun Park ,  Shin Ae Jun

IPC: C09K11/70 ,  B82Y20/00 ,  C09K11/02 ,  C09K11/08 ,  C09K11/62 ,  C09K11/88 ,  G02F1/017 ,  H01L33/06 ,  H01L33/28 ,  H01L33/30 ,  H01L33/34 ,  H10K50/115

CPC classification number: G02F1/01716 ,  B82Y20/00 ,  C09K11/02 ,  C09K11/025 ,  C09K11/0811 ,  C09K11/0883 ,  C09K11/62 ,  C09K11/883 ,  H01L33/06 ,  H01L33/28 ,  H01L33/30 ,  H01L33/34 ,  H10K50/115 ,  G02F1/01791

Abstract: A quantum dot including a core and a shell disposed on the core wherein one of the core and the shell includes a first semiconductor nanocrystal including zinc and sulfur and the other of the core and the shell includes a second semiconductor nanocrystal having a different composition from the first semiconductor nanocrystal, the first semiconductor nanocrystal further includes a metal and a halogen configured to act as a Lewis acid in a halide form, an amount of the metal is greater than or equal to about 10 mole percent (mol %) based on a total number of moles of sulfur, and an amount of the halogen is greater than or equal to about 10 mol % based on a total number of moles of sulfur, a method of producing the same, and a composite and an electronic device including the same.

公开(公告)号：US11917885B2

公开(公告)日：2024-02-27

申请号：US17316712

申请日：2021-05-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min Jong Bae ,  Deukseok Chung ,  Tae Gon Kim ,  Shang Hyeun Park ,  Shin Ae Jun

IPC: H10K59/38 ,  H10K50/87 ,  H10K50/856 ,  H10K50/858 ,  H10K59/12 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/38 ,  H10K50/856 ,  H10K50/858 ,  H10K50/87 ,  H10K59/12 ,  H10K71/00 ,  H10K2102/331

Abstract: An electronic device includes a first substrate, a plurality of light emitting elements each having a horizontal length and a vertical length which are less than or equal to about 10 micrometers (μm), each of the plurality of light emitting elements being disposed on the first substrate, a quantum dot color filter layer disposed on the plurality of light emitting elements, and a first overcoat layer between a plurality of light emitting elements and the quantum dot color filter layer. The quantum dot color filter layer includes a plurality of quantum dot color filters partitioned by a plurality of first partition walls so as to be overlapped with the plurality of light emitting elements, respectively.

公开(公告)号：US11835856B2

公开(公告)日：2023-12-05

申请号：US17204110

申请日：2021-03-17

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

Inventor： Shin Ae Jun ,  Shang Hyeun Park ,  Hojeong Paek ,  Jonggi Kim ,  Hyeyeon Yang ,  Eun Joo Jang ,  Yong Seok Han

IPC: G03F7/00 ,  G03F7/033 ,  G02B5/20 ,  G02B5/22 ,  C09K11/02 ,  C09K11/08

CPC classification number: G03F7/0007 ,  C09K11/02 ,  C09K11/08 ,  G02B5/207 ,  G02B5/223 ,  G03F7/033

Abstract: A photosensitive composition including a quantum dot dispersion, a photopolymerizable monomer having a carbon-carbon double bond, and a photoinitiator, wherein the quantum dot dispersion includes an acid group-containing polymer and a plurality of quantum dots dispersed in the acid group-containing polymer, and wherein the acid group-containing polymer includes a copolymer of a monomer combination including a first monomer having a carboxylic acid group or a phosphonic acid group and a carbon-carbon double bond and a second monomer having a carbon-carbon double bond and a hydrophobic group and not having a carboxylic acid group and a phosphonic acid group.

公开(公告)号：US11827828B2

公开(公告)日：2023-11-28

申请号：US18059075

申请日：2022-11-28

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

IPC: C09K11/54 ,  C09K11/56 ,  C09K11/62 ,  C09K11/70 ,  C09K11/74 ,  C09K11/02 ,  C09K11/88 ,  B82Y20/00

CPC classification number: C09K11/883 ,  C09K11/70 ,  B82Y20/00 ,  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.

公开(公告)号：US11760930B2

公开(公告)日：2023-09-19

申请号：US17583305

申请日：2022-01-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Garam Park ,  Tae Gon Kim ,  Jooyeon Ahn ,  Ji-Yeong Kim ,  Nayoun Won ,  Shin Ae Jun

IPC: C09K11/88 ,  C09K11/02 ,  G02F1/13357 ,  C09K11/08 ,  H10K50/115 ,  H10K59/12 ,  H10K59/38 ,  B82Y20/00 ,  B82Y40/00

CPC classification number: C09K11/883 ,  C09K11/02 ,  C09K11/0883 ,  G02F1/133617 ,  H10K50/115 ,  H10K59/12 ,  H10K59/38 ,  B82Y20/00 ,  B82Y40/00

Abstract: Disclosed are a quantum dot and a quantum dot-polymer composite and a device including the same, wherein the quantum dot includes a semiconductor nanocrystal core including indium (In) and phosphorous (P), 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, wherein the quantum dot does not include cadmium, wherein in the quantum dot, a mole ratio of sulfur with respect to selenium is less than or equal to about 2.5:1.

公开(公告)号：US11746290B2

公开(公告)日：2023-09-05

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: C09K11/61 ,  C09K11/72 ,  C09K11/70 ,  C09K11/56 ,  C09K11/62 ,  C09K11/88 ,  H01L33/50 ,  H01L29/06 ,  H01L29/22 ,  C09K11/02 ,  B82Y40/00 ,  B82Y20/00 ,  B82Y30/00

CPC classification number: C09K11/883 ,  C09K11/025 ,  C09K11/565 ,  C09K11/61 ,  C09K11/612 ,  C09K11/70 ,  C09K11/705 ,  C09K11/72 ,  C09K11/722 ,  C09K11/88 ,  H01L29/0665 ,  H01L29/22 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  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：US11621403B2

公开(公告)日：2023-04-04

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

IPC: H01L51/50 ,  C09K11/88 ,  C09K11/02 ,  C09K11/70 ,  C09K11/56

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.

公开(公告)号：US11302850B2

公开(公告)日：2022-04-12

申请号：US16714950

申请日：2019-12-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Deukseok Chung ,  Shin Ae Jun

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/62 ,  H01L33/44

Abstract: A method for manufacturing a display device includes: providing a plurality of light emitting elements on a substrate; providing a first photosensitive resin layer on the light emitting elements; driving a plurality of first light emitting elements among the plurality of light emitting elements, the driving of the plurality of first light emitting elements hardening a portion of the first photosensitive resin layer which corresponds to the plurality of first light emitting elements; and providing a first color converting layer as the portion of the first photosensitive resin layer which is hardened, by removing a remaining portion of the first photosensitive resin layer.

公开(公告)号：US11139346B2

公开(公告)日：2021-10-05

申请号：US16424729

申请日：2019-05-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Gon Kim ,  Sung Hun Lee ,  Shin Ae Jun ,  Deukseok Chung

IPC: H01L51/52 ,  H01L27/32 ,  G02B3/00 ,  G02B5/20

Abstract: A display device includes an organic emission layer in which a first pixel area, a second pixel area and a third pixel area are defined, a color filter layer disposed on the organic emission layer and including first to third color filters overlapping the first to third pixel areas, respectively, where the first to third color filters emit first light to third light, respectively, a first optical filter layer disposed on the color filter layer and which transmits at least one of the first light and the second light and reflects or absorbs the third light, and a light-focusing layer disposed between the color filter layer and the organic emission layer and including first to third light-focusing parts overlapping the first to third pixel areas, respectively, where at least one of the first to third color filters includes quantum dots.