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Design and Fabrication of Integrated Fabry-Perot Type Color Reflector for Reflective Displays
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- Authors
- Seong M. Cho, Sang Hoon Cheon, Tae-Youb Kim, Chil Seong Ah, Juhee Song, Hojun Ryu, Hye Yong Chu
- Issue Date
- 2016-05
- Citation
- Journal of Nanoscience and Nanotechnology, v.16, no.5, pp.5038-5043
- ISSN
- 1533-4880
- Publisher
- American Scientific Publishers (ASP)
- Language
- English
- Type
- Journal Article
- Abstract
- A Fabry-Perot type integrated color reflector, with red/blue/green colors as subpixels, was designed and fabricated with Si substrate. Ag films were used as reflective mirror layers, SiO2 films were used as Fabry-Perot cavity layers and W films were used as partially reflective layers for the cavity. To minimize the effects of the thickness variation of the oxide cavity layers, the structure of the color reflector was optimized, and the differential deposition scheme was devised and applied in the fabrication process. The integrated color reflector was successfully fabricated with the proposed fabrication scheme. The measured white reflectance was >45% in the visible spectrum range and ~49% at 550 nm wavelength. The fabricated reflector had moderate color gamut of 17% of the National Television System Committee (NTSC) standard and it showed very high white reflectivity. The fabricated color reflector is expected to be applicable to reflective displays.
- KSP Keywords
- Ag film, Design and fabrication, Fabrication process, Fabry-Perot cavity, Si substrate, Television system, Thickness variation, Visible spectrum range, color gamut, national television, partially reflective