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US 2001/0012159 A1Published application
Optical film
AssigneeNitto Denko Corporation
InventorsSeiji Umemoto, Toshihiko Ariyoshi
Life of this patent
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Abstract
An optical film including a transparent film having a hard coating layer provided on one side thereof, the hard coating layer including a repetitive prismatic structure having formed therein optical-path changing slopes oriented substantially toward certain directions at an angle of 35 to 48 degrees relative to the transparent film, and an adhesive layer laid on the other surface of the transparent film.
Claims13
An optical film comprising:
- a transparent film;
- a hard coating layer being provided on one side thereof, the hard coating layer including a repetitive prismatic structure having formed therein optical-path changing slopes oriented substantially toward certain directions at an angle of 35 to 48 degrees relative to the transparent film;
- and
- an adhesive layer laid on the other surface of the transparent film.
1 more element
Dependencies are inferred from the claim text.