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Paper Abstract and Keywords
Presentation 2015-07-30 13:25
Realizing High-Intensity Backlight for TFT-LCDs Harmless to Eyes
Tetsuya Muraoka, Shunji Uchimura (Daiiti Inst. Tech.), Hiroaki Ikeda (Consultant)
Abstract (in Japanese) (See Japanese page) 
(in English) Edge light drives are on the mainstream in present laptop PCs, although backlight of this kind is unsuitable for outdoor use because of lack of light power. A backlight array was altered to a direct drive type to be suited for use in the environment outdoors on the study as well as the increased number of LEDs used for backlight. The light power from the backlight was designed adjustable corresponding to the light intensity dynamically needed from the respective liquid crystal pixels. The issues arising from the temperature rise of the LCD array were solved by the "forcible heat exchange" in which refresh air was taken with a miniature fan of new type.
Keyword (in Japanese) (See Japanese page) 
(in English) Edge light drive / High-intensity white LEDs / Direct drive for LCDs / Forcible heat exchange / / / /  
Reference Info. IEICE Tech. Rep.
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Conference Information
Committee EID ITE-IDY SID-JC  
Conference Date 2015-07-30 - 2015-07-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Information Display 
Paper Information
Registration To ITE-IDY 
Conference Code 2015-07-IDY-EID-JC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Realizing High-Intensity Backlight for TFT-LCDs Harmless to Eyes 
Sub Title (in English)  
Keyword(1) Edge light drive  
Keyword(2) High-intensity white LEDs  
Keyword(3) Direct drive for LCDs  
Keyword(4) Forcible heat exchange  
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1st Author's Name Tetsuya Muraoka  
1st Author's Affiliation Daiichi Institute of Technology (Daiiti Inst. Tech.)
2nd Author's Name Shunji Uchimura  
2nd Author's Affiliation Daiichi Institute of Technology (Daiiti Inst. Tech.)
3rd Author's Name Hiroaki Ikeda  
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Speaker Author-1 
Date Time 2015-07-30 13:25:00 
Presentation Time 25 minutes 
Registration for ITE-IDY 
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Volume (vol) vol.115 
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