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:
Oct. 17, 2017
Filed:
Nov. 23, 2016
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Hiroshi Yamaguchi, Osaka, JP;
Kazuhiro Yamada, Osaka, JP;
Abstract
A screen disclosed herein is a screen having a reflectivity, which causes diffuse reflection of an image projected by a projector, and a transparency, which allows transmission of a background, and including an uneven sheet, a semi-transmissive reflecting layer, and a transparent layer. The uneven sheet includes a transparent material, and has one principal surface that is flat and the other principal surface that is an uneven surface provided with a plurality of recesses and protrusions. The first principal surface and the second principal surface are opposite to each other. The reflecting layer is formed on the uneven surface of the uneven sheet. The transparent layer covers the reflecting layer. The reflecting layer is a thin film having a thickness ranging from 2 nm to 1 μm.