Korea Electronics Technology Institute

Chuljong Han

Byungwook Yoo

Minsuk Oh

Jeongno Lee

Eunji Ko

Jiyong Kim

Hongseon Park

Jeongmin Yi

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.

Composite conductive substrate and manufacturing method thereof

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&#x2014;Cu&#x2014;In&#x2014;P&#x2014;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&#x2014;Zn&#x2014;In&#x2014;S material and surrounding the core and a second shell formed ZnS material and surrounding the first shell.

Quantum dot having core-shell structure

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.

Scintillator using semiconductor quantum dots, manufacturing method thereof, and digital image diagnostic system employing the same

Growing community of inventors

Yongin-si, South Korea

Chuljong Han