Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Sun Gyu Jung"'
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Abstract The viewing angle characteristics and light extraction efficiency of organic light-emitting diodes (OLEDs) with a micro-cavity structure were enhanced. This was accomplished by inserting a diffusion layer composed of nano-sized structures of
Externí odkaz:
https://doaj.org/article/6a8c4ea603d441f29f6616b8449650a0
Publikováno v:
Scientific Reports, Vol 9, Iss 1, Pp 1-10 (2019)
Abstract We developed a diffusion layer with a refractive index-matching layer added to a transparent nanoscale polymer-based structure to obtain its effective scattering effects. The diffusion layer had higher haze when the refractive index-matching
Externí odkaz:
https://doaj.org/article/4aca435cecc64e25aa17ad0d1fd41887
Publikováno v:
Journal of Nanoscience and Nanotechnology. 19:6197-6201
In this study, we fabricate solution processable, flexible, and transparent hybrid electrodes. The hybrid electrodes are designed by depositing a tungsten trioxide (WO3) buffer layer on silver nanowires. The fabrication method is solution based, and
Autor:
Chan Hyuk Park, Young Wook Park, Sun Gyu Jung, Kyung Bok Choi, Cheol Hwee Park, Byeong Kwon Ju, Yong Sub Shim
Publikováno v:
Optical Materials. 93:51-57
We investigated various characteristics of chlorinated indium tin oxide (Cl-ITO) for highly efficient organic light-emitting diodes (OLEDs): the work function, surface morphology, wetting characteristic, and hole-injection property. Via the systemati
Autor:
Chan Hyuk Park, Cheol Hwee Park, Sun Gyu Jung, Byeong Kwon Ju, Yong Sub Shim, Young Wook Park
Publikováno v:
Optical Materials. 86:233-238
Recently, after the first demonstration of efficient, thermally activated delayed fluorescence (TADF) organic light-emitting diodes (OLEDs), these devices have been widely investigated, and several new materials (hole and electron transport materials
Publikováno v:
Scientific Reports
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
The viewing angle characteristics and light extraction efficiency of organic light-emitting diodes (OLEDs) with a micro-cavity structure were enhanced. This was accomplished by inserting a diffusion layer composed of nano-sized structures of a transp
Publikováno v:
Scientific Reports
Scientific Reports, Vol 9, Iss 1, Pp 1-10 (2019)
Scientific Reports, Vol 9, Iss 1, Pp 1-10 (2019)
We developed a diffusion layer with a refractive index-matching layer added to a transparent nanoscale polymer-based structure to obtain its effective scattering effects. The diffusion layer had higher haze when the refractive index-matching layer to
Publikováno v:
Nanoscale. 8:4113-4120
This paper reports organic light-emitting diodes (OLEDs) with improved light extraction fabricated by embedding an extremely low-index photonic crystal (LIPC) layer. The LIPC layer increases the optical efficiency through the reduced wave-guide mode
Autor:
Ju Hyun Hwang, Hong Seok Jo, Sun Gyu Jung, Yong Sub Shim, Young Wook Park, Byeong Kwon Ju, Seongpil An, Cheol Hwee Park, Hyun Jun Lee, Sam S. Yoon, Kyu Nyun Kim
Publikováno v:
ACS Applied Materials & Interfaces. 7:68-74
We fabricated a PAN (polyacrylonitrile) NF (nanofiber)-embedded composite layer to adjust the light-control layer in light-emitting-diode (LED) and organic-light-emitting-diode (OLED) lighting systems with unique optical characteristics, for effectiv
Autor:
Yong Sub Shim, Byeong Kwon Ju, Dong Jun Lee, Chan Hyuk Park, Sun-Gyu Jung, Bong Han Bae, Young Wook Park, Cheol Hwee Park, Ju Hyun Hwang
Publikováno v:
SID Symposium Digest of Technical Papers. 47:1717-1719
Highly enhanced performance OLEDs have been demonstrated by high refractive index nanostructure (HRIN). The HRIN scatters the waveguided light and extracts the light into the air. From these properties, the enhancement ratio of the devices with HRIN