Uniaxially stretched multi-layer laminate film
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United States of America Patent
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Jun 14, 2016
Grant Date -
Sep 25, 2014
app pub date -
Oct 20, 2011
filing date -
Oct 20, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A uniaxially stretched multi-layer laminate film includes 251 or more layers in which a first layer and a second layer are alternately laminated, wherein the first layer is composed of a polyester containing a 2,6-naphthalene dicarboxylic acid component; the second layer is composed of a thermoplastic resin having an average refractive index of 1.60 or more and not more than 1.65 and having negative optical anisotropy or isotropy; an S polarization component has an average reflectance of 90% or more relative to the incident polarized light at an angle of incidence of 0 degree and 50 degrees, respectively; and a P polarization component has an average reflectance of not more than 15% relative to the incident polarized light at an angle of incidence of 0 degree and an average reflectance of 20% or more relative to the incident polarized light at an angle of incidence of 50 degrees.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- G02F:DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF ....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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