Light-shielding film
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United States of America Patent
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Dec 1, 2015
Grant Date -
Mar 14, 2013
app pub date -
May 10, 2011
filing date -
May 20, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An object of the present invention is to inexpensively manufacture a light-shielding film having excellent heat resistance and dimensional stability, having high light-shielding property and low glossiness and showing little variation in glossiness of the film. The present invention is to provide a light-shielding film containing a polyamide-imide resin, a black filler having average particle size of 0.01 to 1 μm and inorganic particles having average particle size of 0.1 to 10 μm, wherein content of the polyamide-imide resin is 55 to 91% by weight, content of the black filler is 1 to 10% by weight and content of the inorganic particles is 8 to 35% by weight in the light-shielding film.
First Claim
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International Classification(s)
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- G03B:APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS O....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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