Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Sang-Hoon Cheon"'
Publikováno v:
ETRI Journal. 44:85-93
Publikováno v:
Optics express. 29(12)
We propose a novel out-of-core GPU algorithm for 2D-Shift-FFT (i.e., 2D-FFT with FFT-shift) to generate ultra-high-resolution holograms. Generating an ultra-high-resolution hologram requires a large complex matrix (e.g., 100K2) with a size that typic
Autor:
Chi-Sun Hwang, Sang-Hoon Cheon, Kyunghee Choi, Jae-Eun Pi, Joo Yeon Kim, Won-Jae Lee, Seong M. Cho, Ji Hun Choi, Hee-Ok Kim, Jong-Heon Yang, Yong-Hae Kim, Gi Heon Kim
Publikováno v:
Advances in Display Technologies XI.
We developed a high definition holographic display with two different approaches. First approach is to adjust a wellknown display technology using a liquid crystal as an optical modulator. While merit of display technology is a large panel size, the
Publikováno v:
OSA Imaging and Applied Optics Congress 2021 (3D, COSI, DH, ISA, pcAOP).
An efficient computation method of ultra-high resolution mesh-based computer- generated hologram is proposed for accelerating the synthesis by arbitrarily adjusting the frequency domain resolution of the polygon while maintaining the quality.
Autor:
Jisu Han, Sooji Nam, Dae Kyom Kim, Joo Yeon Kim, Sang-Hoon Cheon, Chi-Sun Hwang, Yuanzhe Piao, Jeong-Ik Lee
Publikováno v:
RSC advances. 11(8)
Rubrene-based electrochemiluminescence (r-ECL) cells with two different solvent systems is prepared, one in a co-solvent system with a mixture of 1,2-dichlorobenzene and propylene carbonate (DCB : PC, v/v 3 : 1) and another in a single solvent system
Autor:
Yong-Hae Kim, Sujung Kim, Chil Seong Ah, Chi-Sun Hwang, Hojun Ryu, Joo Yeon Kim, Tae-Youb Kim, Juhee Song, Seong M. Cho, Sang-Hoon Cheon
Publikováno v:
Bulletin of the Korean Chemical Society. 39:1186-1192
Autor:
Yong-Hae Kim, Sung-Min Yoon, Han-Byeol Kang, Chi-Young Hwang, Sang-Hoon Cheon, Tae-Youb Kim, Seung-Yeol Lee, Chi-Sun Hwang, Seong-Mok Cho
Publikováno v:
Journal of Nanoscience and Nanotechnology. 18:6033-6039
A phase modulation device was proposed for the implementation of hologram image for display applications. A Ge2Sb2Te5 (GST) film as thin as 7 nm was prepared between the ITO films to form the cavities corresponding a unit pixel. Nitrogen was incorpor
Autor:
Juhee Song, Tae-Youb Kim, Sujung Kim, Joo Yeon Kim, Sang Hoon Cheon, Chil Seong Ah, Hojun Ryu, Seong M. Cho, Chi-Sun Hwang, Yong-Hae Kim, Jeong-Ik Lee
Publikováno v:
Solar Energy Materials and Solar Cells. 179:161-168
A new structure for a switchable mirror device based on reversible electrodeposition is proposed. This device does not contain Cu ions in the electrolyte and adapts a counter electrode. The feasibility of the device was evaluated with a WO3 film, whi
Autor:
Seong M. Cho, Sang Hoon Cheon, Chi-Sun Hwang, Yong-Hae Kim, Chil Seong Ah, Hojun Ryu, Tae-Youb Kim, Joo Yeon Kim, Juhee Song
Publikováno v:
Solar Energy Materials and Solar Cells. 177:89-96
Light-adaptable (LA) displays combining the advantages of reflective and emissive displays, are considered as the future of display technology. Electrochromic devices are potentially strong candidates for reflective-mode LA displays because of their
Autor:
Chi-Sun Hwang, Chi-Young Hwang, Kyunghee Choi, Yong-Hae Kim, Tae-Youb Kim, Sang-Hoon Cheon, Joo Yeon Kim, Jeong-Ik Lee, Seong M. Cho, Sujung Kim
Publikováno v:
Holography: Advances and Modern Trends VI.
A switchable diffraction device capable of driving with segment electrodes has been proposed and its operating characteristics were analyzed. The switchable diffraction device is based on a variable cavity structure using reversible electrodeposition