Liquid crystal display viewable under all lighting conditions
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United States of America Patent
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Jun 21, 2005
Grant Date -
Aug 19, 2004
app pub date -
Feb 18, 2003
filing date -
Feb 18, 2003
priority date (Note) -
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Abstract
A liquid crystal display (LCD) viewable under all lighting conditions without excessive power consumption is described. The LCD comprises a first dichroic polarizer, a second dichroic polarizer, an anti-reflection layer positioned in front of the first dichroic polarizer and a liquid crystal cell positioned between the first dichroic polarizer and the second dichroic polarizer. In addition, the LCD comprises a backlight assembly positioned behind the second dichroic polarizer. Finally, the LCD comprises a diffusing transflector positioned between the backlight assembly and the second dichroic polarizer. The diffusing transflector comprises a diffusing element and a transflective element.
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