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:
Apr. 02, 2019
Filed:
Apr. 04, 2018
Arisawa Mfg. Co., Ltd., Niigata, JP;
Hajime Maruta, Niigata, JP;
ARISAWA MFG. CO., LTD., Niigata, JP;
Abstract
A reflection type screen including: a base portion which is tabular; and prism portions which are provided on one surface of the base portion, extending in one direction and lined up in a direction intersecting the one direction, wherein the prism portions each have: a pair of surfaces, at least one of the pair of surfaces being inclined with respect to the normal direction of the one surface of the base portion and intersecting the other of the pair of surfaces; and a reflecting layer, being formed on the one of the pair of surfaces and reflecting light, and the reflecting layer includes, on the one of the pair of surfaces, a first thin portion, a thick portion and a second thin portion in this order from a side of an intersection line of the one of the pair of surfaces and the other of the pair of surfaces.