Light-condensing film, liquid-crystal panel and backlight as well as manufacturing process for light-condensing film
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United States of America Patent
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Jul 2, 2013
Grant Date -
Jun 2, 2011
app pub date -
Nov 4, 2010
filing date -
Jul 16, 2004
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Abstract
A conventional liquid crystal display comprises a number of components, so that a manufacturing cost cannot be reduced. Furthermore, a large-area substrate has problems in shipping. According to this invention, a liquid-crystal panel is prepared by forming individual optically functional films, a TFT device and a light-emitting device on a long thin film and then laminating the film by a transfer process. A base film to be a substrate in a liquid-crystal panel preferably has a thickness of 10 μm to 200 μm, a curvature radius of 40 mm or less as a measure of flexibility and a coefficient of thermal expansion of 50 ppm/° C. or less. Furthermore, it more preferably gives a variation of ±5% or less in mechanical and optical properties to a thermal history at 200° C.
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