Light diffusing sheet, optical element and image display unit

Details Light diffusing sheet, optical element and image display unit Light diffusing sheet, optical element and image display unit

2007-01-09

2007-01-09

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Lens

Diffusing

C359S443000

Reexamination Certificate

active

10515811

ABSTRACT:
A light diffusing sheet of a structure in which a light diffusing layer is formed on at least one surface of a transparent film, the light diffusing layer including a resin coat layer having a minute unevenness shape and a low refractive index layer having a refractive index lower than that of the resin coat layer on the surface having a minute unevenness shape thereof, whereby the sheet can retain antiglare property, shows almost no white blurring to be recognized due to surface scattering, exhibits almost no birefringence, and is excellent in adherence and durability even when applied to a high definition LCD.

REFERENCES:
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patent: WO 95/31737 (1995-11-01), None
patent: WO 01/37007 (2001-05-01), None
Chinese office action of corresponding patent application No. 03810685.X. issued Mar. 3, 2006.

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