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:
Dec. 21, 2010
Filed:
Aug. 08, 2005
Masahiro Harada, Koshigaya, JP;
Hideki Etori, Saitama, JP;
Hirohide Nakata, Fuchu, JP;
Kimoto Co., Ltd., Tokyo, JP;
Abstract
A transmission screen through which an observer can see the side of the screen opposite to the observer side, and which has a sufficient viewing angle is provided. The transmission screen is a transmission screenhaving a light diffusing layercomprising a transparent binder and light diffusing elements contained in the binder, and the transmission screen is constituted so that the light diffusing elements should have a relative refractive index n of 0.75 or smaller or 1.25 or larger relative to refractive index of the transparent binder, both surfaces of the transmission screenshould be substantially smooth, and the transmission screen should have a total haze (JIS K7136:2000) of 10 to 85%.