公开(公告)号：US09753324B2

公开(公告)日：2017-09-05

申请号：US14822114

申请日：2015-08-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eun Joo Jang ,  Shin Ae Jun ,  Hyun A Kang

IPC: G02F1/1335

CPC classification number: G02F1/133514 ,  G02F1/133528 ,  G02F1/1336 ,  G02F1/133617 ,  G02F2001/133614 ,  G02F2201/086

Abstract: A photoluminescent liquid crystal display includes: a liquid crystal panel including a lower substrate, an upper substrate, a liquid crystal layer interposed between the upper and lower substrates, and a photoluminescent color filter layer disposed between the upper substrate and the liquid crystal layer; an optical device disposed on the upper substrate; a polarizing plate disposed under the lower substrate; and a backlight unit disposed under the polarizing plate and which emits blue light, where the photoluminescent color filter layer includes a first color filter which emits polarized red light, a second color filter which emits polarized green light, and a third color filter which emits polarized blue light, and the first color filter and the second color filter include a semiconductor nanocrystal-polymer composite.

公开(公告)号：US09284484B2

公开(公告)日：2016-03-15

申请号：US14296658

申请日：2014-06-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: C09K11/02 ,  C09K11/62 ,  B82Y40/00 ,  C30B29/60 ,  C30B7/14 ,  C30B29/40 ,  C30B29/48 ,  C09K11/08 ,  C09K11/56

CPC classification number: C09K11/02 ,  B82Y40/00 ,  C09K11/0805 ,  C09K11/0811 ,  C09K11/56 ,  C09K11/62 ,  C30B7/14 ,  C30B29/40 ,  C30B29/48 ,  C30B29/60 ,  Y02P20/542

Abstract: A process of synthesizing nanocrystals, the process including: obtaining a metal precursor, a non-metal precursor, a ligand compound, and an ionic liquid; and contacting the metal precursor, the non-metal precursor, the ligand compound, and the ionic liquid to form a mixture and synthesize a first semiconductor nanocrystal.

Abstract translation: 一种合成纳米晶体的方法，该方法包括：获得金属前体，非金属前体，配体化合物和离子液体; 并使金属前体，非金属前体，配体化合物和离子液体接触以形成混合物并合成第一半导体纳米晶体。

公开(公告)号：US09082982B2

公开(公告)日：2015-07-14

申请号：US13656327

申请日：2012-10-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Shin Ae Jun ,  Hyun A Kang ,  Eun Joo Jang ,  Soo Kyung Kwon ,  Hyo Sook Jang

IPC: H01L29/08 ,  H01L51/00 ,  C09K11/02 ,  C09K11/56 ,  H01L33/50 ,  C09K11/88 ,  C01B17/20 ,  C01B19/00 ,  B82Y30/00 ,  H01L51/50

CPC classification number: H01L51/0043 ,  B82Y30/00 ,  C01B17/20 ,  C01B19/007 ,  C01P2002/88 ,  C01P2004/64 ,  C01P2004/84 ,  C09K11/02 ,  C09K11/025 ,  C09K11/565 ,  C09K11/883 ,  H01L33/501 ,  H01L33/502 ,  H01L33/507 ,  H01L51/004 ,  H01L51/50 ,  H01L2224/16145 ,  H01L2224/48091 ,  H01L2924/00014

Abstract: A semiconductor nanocrystal-polymer composite including a semiconductor nanocrystal, a polymer comprising a plurality of carboxylate anion groups (—COO−) bindable to a surface of the semiconductor nanocrystal, and a metal cation bindable to a carboxylate anion group of the plurality of carboxylate anion groups.

Abstract translation: 包括半导体纳米晶体的半导体纳米晶体 - 聚合物复合物，包含可与半导体纳米晶体的表面结合的多个羧酸根阴离子基团（-COO-）的聚合物和可结合多个羧酸根阴离子的羧酸根阴离子基团的金属阳离子 团体

公开(公告)号：US12189170B2

公开(公告)日：2025-01-07

申请号：US17576895

申请日：2022-01-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Hyung Kim ,  Eun Joo Jang ,  Shin Ae Jun ,  Hyun A Kang ,  Yongwook Kim ,  Na Youn Won ,  Hyo Sook Jang

IPC: F21V8/00 ,  G02F1/1335 ,  G02F1/13357

Abstract: A light source includes a light emitting element which emits light, and a light conversion layer which converts the light emitted from the light emitting element into white light and emits the white light, where the light conversion layer includes a resin and a quantum dot material mixed with the resin, and a red apex of a color region of the white light is positioned in a region of 0.65

公开(公告)号：US12146090B2

公开(公告)日：2024-11-19

申请号：US18223709

申请日：2023-07-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Taekhoon Kim ,  Nayoun Won ,  Tae Gon Kim ,  Mi Hye Lim ,  Shin Ae Jun ,  Shang Hyeun Park

IPC: C09K11/88 ,  C09K11/02 ,  H10K50/115 ,  B82Y15/00 ,  B82Y40/00 ,  C01B25/08

Abstract: A quantum dot-polymer composite including a polymer matrix; and core-shell quantum dots dispersed in the polymer matrix, wherein the core-shell quantum dots include a semiconductor nanocrystal core including indium, zinc, and phosphorus and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur. The core-shell quantum dots do not include cadmium, the core-shell quantum dots are configured to emit green light, the core-shell quantum dots have a mole ratio of phosphorus to indium of greater than or equal to about 0.75, and the core-shell quantum dots have a mole ratio of zinc to indium of greater than or equal to about 35, and a method of producing the core-shell quantum dots, and a display device including a light emitting element that includes the quantum dot-polymer composite.

公开(公告)号：US12055852B2

公开(公告)日：2024-08-06

申请号：US17234126

申请日：2021-04-19

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

Inventor： Shang Hyeun Park ,  Hojeong Paek ,  Jonggi Kim ,  Nayoun Won ,  Shin Ae Jun

IPC: G03F7/004 ,  C09K11/02 ,  C09K11/08 ,  C09K11/88 ,  G02B5/20 ,  G02B5/22 ,  G03F7/00 ,  G03F7/027 ,  G03F7/029 ,  G03F7/031 ,  G03F7/033

CPC classification number: G03F7/0043 ,  C09K11/02 ,  C09K11/08 ,  C09K11/883 ,  G02B5/207 ,  G02B5/223 ,  G03F7/0007 ,  G03F7/0047 ,  G03F7/027 ,  G03F7/029 ,  G03F7/031 ,  G03F7/033

Abstract: A photosensitive composition including: a plurality of quantum dots, wherein the quantum dot includes an organic ligand bound to a surface of the quantum dot; a photoinitiator; a binder including a carboxylic acid group; a photopolymerizable monomer having a carbon-carbon double bond; and a solvent, wherein the photoinitiator includes a first photoinitiator including an oxime compound and a second photoinitiator including at least one selected from a phosphine oxide compound and an amino ketone compound.

公开(公告)号：US11903228B2

公开(公告)日：2024-02-13

申请号：US18194794

申请日：2023-04-03

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.

公开(公告)号：US20230365861A1

公开(公告)日：2023-11-16

申请号：US18223709

申请日：2023-07-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Taekhoon Kim ,  Nayoun Won ,  Tae Gon Kim ,  Mi Hye Lim ,  Shin Ae Jun ,  Shang Hyeun Park

IPC: C09K11/88 ,  C09K11/02 ,  H10K50/115

CPC classification number: C09K11/883 ,  C09K11/02 ,  H10K50/115 ,  B82Y15/00

Abstract: A quantum dot-polymer composite including a polymer matrix; and core-shell quantum dots dispersed in the polymer matrix, wherein the core-shell quantum dots include a semiconductor nanocrystal core including indium, zinc, and phosphorus and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur. The core-shell quantum dots do not include cadmium, the core-shell quantum dots are configured to emit green light, the core-shell quantum dots have a mole ratio of phosphorus to indium of greater than or equal to about 0.75, and the core-shell quantum dots have a mole ratio of zinc to indium of greater than or equal to about 35, and a method of producing the core-shell quantum dots, and a display device including a light emitting element that includes the quantum dot-polymer composite.

公开(公告)号：US11740495B2

公开(公告)日：2023-08-29

申请号：US16697650

申请日：2019-11-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02F1/017 ,  B82Y20/00 ,  C09K11/88 ,  H01L33/06 ,  H01L33/28 ,  H01L33/30 ,  H01L33/34 ,  C09K11/02 ,  C09K11/08 ,  C09K11/62 ,  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：US11711959B2

公开(公告)日：2023-07-25

申请号：US17474051

申请日：2021-09-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H10K59/38 ,  H10K50/844 ,  H10K102/00 ,  H10K50/00 ,  G02B3/00 ,  G02B5/20 ,  H10K50/85 ,  H10K50/858 ,  H10K59/00

CPC classification number: H10K59/38 ,  G02B3/00 ,  G02B5/201 ,  H10K50/844 ,  H10K50/85 ,  H10K50/858 ,  H10K50/00 ,  H10K59/00 ,  H10K2102/331

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.