公开(公告)号：US12195657B2

公开(公告)日：2025-01-14

申请号：US17687543

申请日：2022-03-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jooyeon Ahn ,  Taekhoon Kim ,  Deuk Kyu Moon ,  Jongmin Lee ,  Mi Hye Lim ,  Shin Ae Jun ,  Minho Kim ,  Yebin Jung

IPC: G02F1/13357 ,  C09D11/037 ,  C09D11/50 ,  C09K11/08 ,  C09K11/88 ,  G02F1/1335 ,  B82Y20/00 ,  B82Y40/00

Abstract: A color conversion panel that includes a color conversion layer including one or more color conversion regions, and optionally, a partition wall defining the regions of the color conversion layer, and a display device including the same. The color conversion region includes a first region corresponding to a first pixel, and the first region includes a first composite including a matrix and a plurality of luminescent nanostructures dispersed in the matrix. The luminescent nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide. The Group III-V compound includes indium, phosphorus, and optionally, zinc or gallium, or zinc and gallium, and the zinc chalcogenide includes zinc, selenium, and sulfur. The luminescent nanostructures do not include cadmium. The luminescent nanostructures further include fluorine, and in the luminescent nanostructures, a mole ratio of fluorine to indium is greater than or equal to about 0.05:1.

公开(公告)号：US12157848B2

公开(公告)日：2024-12-03

申请号：US18074570

申请日：2022-12-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyeyeon Yang ,  Garam Park ,  Shin Ae Jun ,  Tae Gon Kim ,  Taekhoon Kim

IPC: C09K11/70 ,  C09K11/02 ,  C09K11/08 ,  C09K11/54 ,  C09K11/56 ,  C09K11/62 ,  G02F1/017 ,  G02F1/13357 ,  H10K59/12 ,  H10K59/38 ,  B82Y20/00 ,  B82Y40/00

Abstract: A quantum dot including a multi-component core including a first semiconductor nanocrystal including indium (In), zinc (Zn), and phosphorus (P) and a second semiconductor nanocrystal disposed on the first semiconductor nanocrystal, the second semiconductor nanocrystal including gallium (Ga) and phosphorus (P) wherein the quantum dot is cadmium-free and emits green light, a mole ratio (P:In) of phosphorus relative to indium is greater than or equal to about 0.6:1 and less than or equal to about 1.0, and a mole ratio (P:(In+Ga)) of phosphorus relative to indium and gallium is greater than or equal to about 0.5:1 and less than or equal to about 0.8:1, a quantum dot-polymer composite pattern including the same, and a display device.

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：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：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：US09834724B2

公开(公告)日：2017-12-05

申请号：US14494673

申请日：2014-09-24

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: C09K11/70 ,  C09K11/61 ,  C09K11/88 ,  C09K11/02 ,  C09K11/56 ,  B82Y40/00 ,  B82Y20/00

CPC classification number: C09K11/883 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/025 ,  C09K11/565 ,  C09K11/61 ,  C09K11/612 ,  C09K11/70 ,  C09K11/705 ,  C09K11/88 ,  Y10S977/774 ,  Y10S977/892 ,  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.