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US 7,622,194 B2Granted
Optical film, anti-reflection film, polarizing plate, and image display device
AssigneeFUJIFILM Corporation
InventorShuntaro Ibuki
Life of this patent
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Abstract
An optical film comprises: a transparent support; and at least one functional layer provided the transparent support, wherein an unevenness in thickness of the transparent support is not greater than ±5% from an average thickness, and an unevenness in an amount of surface plasticizer on the transparent support on the functional layer side thereof is not greater than ±20% from an average residual amount of surface plasticizer.
Claims10
An optical film comprising:
- a transparent support;
- a surface plasticizer in the surface of the transparent support;
- and
- at least one functional layer provided on the transparent support,
- wherein an unevenness in thickness of the transparent support is not greater than ±5% from an average thickness of the transparent support, and
- an unevenness in an amount of the surface plasticizer in the surface of the transparent support on the functional layer side thereof is not greater than ±20% from an average residual amount of the surface plasticizer.
3 more elements
Dependencies are inferred from the claim text.