The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 12, 2005
Filed:
Jun. 24, 2004
Yoshiaki Momose, Utsunomiya, JP;
Kimio Itou, Kanuma, JP;
Mitsuhiro Akiyama, Utsunomiya, JP;
Takashi Hanne, Kanuma, JP;
Yoshiaki Momose, Utsunomiya, JP;
Kimio Itou, Kanuma, JP;
Mitsuhiro Akiyama, Utsunomiya, JP;
Takashi Hanne, Kanuma, JP;
Japan Acryace Co., Ltd., , JP;
Abstract
A light diffusing laminated plate including a first light diffusing layer containing particles of a transparent light diffusing material dispersed therein and having a concave cross-section, and a second light diffusing layer containing particles of an opaque light diffusing material dispersed therein and having a convex cross-section. The first and second light diffusing layers are laminated together such that the convex and concave surfaces are face to face contact with each other to form a curved interface therebetween. The first and second light diffusing layers have a substantially uniform cross-section in one direction. A transmissive screen for a rear projection display device having a light image source, including the above light diffusing laminated plate and a lens system disposed such that a light image from the source is projected through the light diffusing laminated plate and the lens system and displayed on the screen.