Light reflector
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United States of America Patent
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app pub date -
Jan 24, 2005
filing date -
Jul 24, 2002
priority date (Note) -
Abandoned
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Abstract
An object of the present invention is to provide a light reflector, which causes no unevenness in luminance in the surface direction due to deflection in use. The present invention is a light reflector comprising: an olefin-based resin film 1 comprising a filler and having a total ray reflectance of 90% or more, which is stretched at least monoaxially at an area stretch ratio of from 1.5 to 80; and at least one of the following substrates (1) to (4): (1) Film 2 comprising at least one of olefin-based resin and polyester-based resin as a main component; (2) Woven cloth 3 or non-woven cloth 4; (3) Metal plate 5; and (4) Molded material 6 comprising a thermoplastic resin composition (a1) containing a foaming agent and having a foaming ratio of from 1.05 to 10 as calculated by the following equation (1): Foaming ratio=.rho.o/.rho. (1) where .rho.o represents the density before foaming; and .rho. represents the density after foaming.
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