公开(公告)号：US20190136130A1

公开(公告)日：2019-05-09

申请号：US16182885

申请日：2018-11-07

Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE

Inventor： Chuljong HAN ,  Byungwook YOO ,  Jiyong KIM ,  Jeongmin YI

IPC: C09K11/70 ,  C09K11/62 ,  C09K11/02 ,  H01L31/0352

CPC classification number: C09K11/70 ,  B82Y5/00 ,  B82Y15/00 ,  C09K11/025 ,  C09K11/56 ,  C09K11/623 ,  H01L31/035218

Abstract: The present disclosure provides a quantum dot having a core-shell structure. To have superior quantum efficiency and optical stability, the quantum dot is of a five element system of Zn—Cu—In—P—S. The quantum dot includes a core formed of In(Zn)P material and doped with copper. The quantum dot further comprises a first shell formed of Cu—Zn—In—S material and surrounding the core and a second shell formed ZnS material and surrounding the first shell.

公开(公告)号：US20180341028A1

公开(公告)日：2018-11-29

申请号：US15992060

申请日：2018-05-29

Applicant: Korea Electronics Technology Institute

Inventor： Chuljong HAN ,  Jeongno LEE ,  Minsuk OH ,  Byungwook YOO

IPC: G01T1/20 ,  G01T1/24 ,  A61B6/00 ,  G21K4/00

CPC classification number: G01T1/2002 ,  A61B6/4208 ,  A61B6/4233 ,  G01T1/1606 ,  G01T1/2018 ,  G01T1/24 ,  G21K4/00

Abstract: Disclosed are a scintillator using semiconductor quantum dots, a method of manufacturing the scintillator, and a digital image diagnostic system employing the scintillator. In one aspect, the scintillator includes a metallic reflection film made of a metal configured to transmit an X-ray and reflecting visible light and having a plurality of voids formed in a thickness direction. The scintillator also includes a polymer film formed inside the plurality of voids and being configured to include a plurality of columnar structures to convert the X-ray into the visible light. The scintillator further includes semiconductor quantum dots dispersed in the polymer film and having a decay time of tens of nanoseconds.

公开(公告)号：US20230143531A1

公开(公告)日：2023-05-11

申请号：US17980758

申请日：2022-11-04

Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE

Inventor： Kyoungwon PARK ,  Chuljong HAN ,  Jeongmin YI

IPC: H01L31/055 ,  C09K11/02 ,  C08F220/18

CPC classification number: H01L31/055 ,  C09K11/02 ,  C08F220/1811 ,  H01L31/042

Abstract: A light concentrator based on a quantum dot may include a resin film layer in which quantum dots are dispersed, an upper layer in contact with an upper surface of the resin film layer, and a lower layer in contact with a lower surface of the resin film layer. Each of the upper layer and the lower layer may be selected from a glass layer or a polymer layer. A photovoltaic module may include the quantum dot-based light concentrator. By optimally adjusting the longest wavelength of the quantum dots, the average transmittance of the glass layer, the material of the polymer layer, and the cross-sectional aspect ratio (length/thickness) of the light concentrator, it is possible to maximize the efficiency of the quantum dot-based light concentrator and increase the efficiency of the photovoltaic module including the light concentrator.

公开(公告)号：US20200291293A1

公开(公告)日：2020-09-17

申请号：US16720557

申请日：2019-12-19

Applicant: Korea Electronics Technology Institute

Inventor： Chuljong HAN ,  Jiyong KIM ,  Kyoungwon PARK

IPC: C09K11/70 ,  C09K11/08

Abstract: The present disclosure provides a manganese-doped InZnP quantum dot having high reproducibility and exhibiting superior optical efficiency, and a method of manufacturing the quantum dot. According to an aspect of an exemplary embodiment, the manganese-doped InZnP quantum dot is of manufactured by synthesizing an InZnP quantum dot by reacting indium acetate, zinc acetate, and tris(trimethylsilyl)phosphine; and then doping the InZnP quantum dot with manganese.

公开(公告)号：US20200253046A1

公开(公告)日：2020-08-06

申请号：US16263450

申请日：2019-01-31

Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE

Inventor： Chuljong HAN ,  Minsuk OH ,  Eunji KO ,  Hongseon PARK

IPC: H05K1/05 ,  H05K3/46 ,  H05K3/28 ,  H05K1/02 ,  C03C17/40

Abstract: The present disclosure provides a composite conductive substrate exhibiting enhanced properties both in the folding endurance and the electric conductivity and a method of manufacturing the composite conductive substrate. A composite conductive substrate according to an exemplary embodiment of the present disclosure includes: an insulating layer; a metal nanowire structure embedded beneath one surface of the insulating layer; and a metal thin film coupled to the metal nanowire structure. The composite conductive substrate may be fabricated in an order of the insulating film, the metal nanowire structure, and the metal thin film, or vice versa.