Design of plasmonic color filters to realize full-color reflective displays = 천연색 반사형 디스플레이 구현을 위한 플라즈모닉 컬러필터 설계 연구

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With the huge growth of display market, reflective color filters are one of on-demand component of market nowadays. Because conventional color pixels are horizontally aligned, it is impossible to get high reflectance for primary colors. Here we suggest and develop a new type of reflective color filter using vertically aligned active layers. Firstly we investigated the possibility of designing vertical color cell. The total number of possible cell combination and its color expression mechanism is obtained. After that, using plasmonic metasurfaces, the resonance tuning ability of MEMS and microfluidic channel was investigated and optimized by simulation. Each method can shift the plasmon resonance wavelength at least 80nm, which can cover whole visible range by 3-level active tuning. Finally, we demonstrated the index tuning method which can be combined with microfluidic channel. The prototype sample is fabricated by evaporation and e-beam lithography. The observed color changes significantly by dropping liquids on it. By reflection spectrum measurement of small spot, the dip reflectance about 30% was obtained and resonance dip at 436, 528, 608nm. Therefore, the full color expression can be accomplishable by designed structure.
Advisors
Shin, Jonghwaresearcher신종화researcher
Description
한국과학기술원 :신소재공학과,
Publisher
한국과학기술원
Issue Date
2018
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 신소재공학과, 2018.2,[v, 53 p. :]

Keywords

Reflective display▼astructural color filter▼aplasmonic filter▼asurface plasmon resonance▼ametasurfaces; 반사형 디스플레이▼a구조체 컬러필터▼a플라즈모닉 컬러필터▼a플라즈몬 공진▼a메타표면

URI
http://hdl.handle.net/10203/266481
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=867951&flag=dissertation
Appears in Collection
MS-Theses_Master(석사논문)
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