Antiglare film and image display

Details Antiglare film and image display Antiglare film and image display

2011-05-10

2011-05-10

Watkins, III, William P (Department: 1783)

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

C359S601000

Reexamination Certificate

active

07939160

ABSTRACT:
The present invention provides an antiglare film having the reflectance at an angle of reflection of 30° for incident light13at an incident angle of 30° of not more than 2%, and the reflectance of not more than 0.003% at an angle of reflection of 40° in an antiglare film which also satisfies any of the following (1) to (5): (1) 50 to 150 protrusions are provided within a region of 200 μm×200 μm; (2) when the height of each point on the uneven surface is shown in a histogram, the peak exists in a range between +20% and −20% with the middle point between the highest point and the lowest point at the center; (3) the arithmetic average height Pa on the surface is 0.08 μm to 0.15 μm; (4) the maximum height in a cross section Pt on the surface is 0.4 μm to 0.9 μm; and (5) the average area of the polygons is 300 μm2to 1000 μm2when Voronoi division is carried out on the surface of the film with the peaks of these protrusions as generating points.

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English Translation of the Office Action received in the corresponding Chinese patent application 200610064385.2, dated Dec. 11, 2009. (7 pgs.).

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