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Paper Abstract and Keywords
Presentation 2011-01-29 11:30
High Contrast Screen Suppressing Reflection and Diffusion of Ambient Light for Front Projection System
Ryota Sato, Baku Katagiri, Yoshito Suzuki, Mitsuru Kano (Tohoku Univ.), Tatsuo Uchida (Sendai NCT)
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, wide variety of displays have been developed and are practically applied. Among them front projection displays have several features such as relatively large screen capability, high luminance and compact projector system. However, it has important problem of contrast reduction in a bright environment. We proposed a new front projection system for large screen by diffusing only projected light towards the viewing angle range and reflecting ambient light towards the other angle ranges. With this system, we realized a high quality and large size front projection display with a high contrast ratio even in a bright room.
Keyword (in Japanese) (See Japanese page) 
(in English) Front-projection display / High contrast / Suppressing ambient light / Controlling diffusing property / / / /  
Reference Info. ITE Tech. Rep., vol. 35, no. 4, IDY2011-11, pp. 129-132, Jan. 2011.
Paper # IDY2011-11 
Date of Issue 2011-01-21 (IDY) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee IDY IEICE-EID IEE-EDD IEIJ-OMD  
Conference Date 2011-01-28 - 2011-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Kochi University of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Emissive/Non-Emissive Displays 
Paper Information
Registration To IDY 
Conference Code 2011-01-IDY-EID-EDD-OMD-JC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High Contrast Screen Suppressing Reflection and Diffusion of Ambient Light for Front Projection System 
Sub Title (in English)  
Keyword(1) Front-projection display  
Keyword(2) High contrast  
Keyword(3) Suppressing ambient light  
Keyword(4) Controlling diffusing property  
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1st Author's Name Ryota Sato  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Baku Katagiri  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Yoshito Suzuki  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Mitsuru Kano  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Tatsuo Uchida  
5th Author's Affiliation Sendai National College of Technology (Sendai NCT)
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Speaker Author-1 
Date Time 2011-01-29 11:30:00 
Presentation Time 5 minutes 
Registration for IDY 
Paper # IDY2011-11 
Volume (vol) vol.35 
Number (no) no.4 
Page pp.129-132 
#Pages
Date of Issue 2011-01-21 (IDY) 


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