Optical: systems and elements – Projection screen – Unitary sheet comprising plural refracting areas
Reexamination Certificate
2006-06-02
2009-12-01
Mahoney, Christopher (Department: 2862)
Optical: systems and elements
Projection screen
Unitary sheet comprising plural refracting areas
Reexamination Certificate
active
07626761
ABSTRACT:
A fly's-eye lens sheet having a light-shielding layer includes a fly's-eye lens sheet body provided with fly's-eye lenses on one principal surface thereof, the light-shielding layer provided on the other principal surface of the fly's-eye lens sheet body, and a photosensitive adhesive layer disposed between the fly's-eye lens sheet body and the light-shielding layer, the photosensitive adhesive layer having adhesive and non-adhesive patterns, wherein the light-shielding layer includes a light-shielding portion disposed on the adhesive pattern and transmitting portions disposed on the non-adhesive pattern for transmitting light transmitted through the fly's-eye lenses, the transmitting portions are located at positions corresponding to light-collecting parts of the fly's-eye lenses, and the light-shielding portion contains carbon particles, the content of the carbon particles being 45% to 65% by weight.
REFERENCES:
patent: 4666248 (1987-05-01), van de Ven
patent: 5870225 (1999-02-01), Ogino et al.
patent: 6256145 (2001-07-01), Kono et al.
patent: 6342121 (2002-01-01), Ito et al.
patent: 7167306 (2007-01-01), Sakaguchi et al.
patent: 2005/0083571 (2005-04-01), Shimizu
patent: 9-120102 (1997-05-01), None
patent: 10-293362 (1998-11-01), None
Haga Yumi
Kiso Hiroyuki
Matsumura Shinichi
Miyaki Yukio
Nagahama Tsutomu
Mahoney Christopher
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Sony Corporation
LandOfFree
Fly's-eye lens sheet having light-shielding layer, method... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fly's-eye lens sheet having light-shielding layer, method..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fly's-eye lens sheet having light-shielding layer, method... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4140429