Presentation 1999/3/18
A High Contrast and High Brightness Reflective LCD with an Internal Diffusive Reflector
Dai-Liang Ting, Chung-Yuan Liu, Jyh-Wen Shiu, Wei-Chih Chang, Hung-Ta Wei, Chi-Jain Wen,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) We have developed a high contrast and high brightness reflective LCD with an internal diffusive reflector (IDR). The IDR is used in a single-polarizer configuration using mixed-mode twisted nematic (MTN) effect. The diffusive reflector, with proper design, is effective in yielding a bright reflective-image under collimated ambient light. The MTN mode is adopted for its high contrast and large tolerance to cell gap variation. The test cell shows contrast ratio over 40:1, response time less than 20 ms and reflectivity of 22% (when combined with micro color filters) relative to a Lambertian standard white, measured at display's normal direction under -30°collimated illumination.
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Keyword(in English) reflective / liquid crystal display / mixed-mode twisted nematic / internal diffusive reflector / single-polarizer
Paper # EID98-205
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Committee EID
Conference Date 1999/3/18(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A High Contrast and High Brightness Reflective LCD with an Internal Diffusive Reflector
Sub Title (in English)
Keyword(1) reflective
Keyword(2) liquid crystal display
Keyword(3) mixed-mode twisted nematic
Keyword(4) internal diffusive reflector
Keyword(5) single-polarizer
1st Author's Name Dai-Liang Ting
1st Author's Affiliation Electronics Research and Service Organization, Industrial Technology Research Institute()
2nd Author's Name Chung-Yuan Liu
2nd Author's Affiliation Electronics Research and Service Organization, Industrial Technology Research Institute
3rd Author's Name Jyh-Wen Shiu
3rd Author's Affiliation Electronics Research and Service Organization, Industrial Technology Research Institute
4th Author's Name Wei-Chih Chang
4th Author's Affiliation Electronics Research and Service Organization, Industrial Technology Research Institute
5th Author's Name Hung-Ta Wei
5th Author's Affiliation Electronics Research and Service Organization, Industrial Technology Research Institute
6th Author's Name Chi-Jain Wen
6th Author's Affiliation Electronics Research and Service Organization, Industrial Technology Research Institute
Date 1999/3/18
Paper # EID98-205
Volume (vol) vol.98
Number (no) 665
Page pp.pp.-
#Pages 4
Date of Issue