Lens sheet and method for producing it

Details Lens sheet and method for producing it Lens sheet and method for producing it

2006-01-31

2006-01-31

Mack, Ricky L. (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S620000, C359S623000, C359S455000

Reexamination Certificate

active

06992831

ABSTRACT:
The invention relates to a lens sheet applicable to a screen for a pixel type projection TV characterized in high quality and definition and a simple producing method thereof. The inventive lens sheet has a shielding layer without any axial misalignment at front and rear sides. The lens sheet comprises a lens portion with a plurality of lens elements arranged in at least one side and a shielding layer provided in a non-transmitting portion of a light radiation plane, in which the shielding layer is provided on a layer made of a cured photo-curing composition (A). The photo-curing composition (A) is composed of 100 weight parts of photo-curing resin composition (a) having a surface free energy of 30 mN/m or more and 0.01 to 10 weight parts of compound (b) having a surface free energy of 25 mN/m or less.

REFERENCES:
patent: 5593757 (1997-01-01), Kashiwazaki et al.
patent: 5736278 (1998-04-01), Nakazawa et al.
patent: 6294313 (2001-09-01), Kobayashi et al.
patent: 6475688 (2002-11-01), Tamura et al.

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