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:
Feb. 27, 2018
Filed:
May. 19, 2015
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Shoichi Matsuda, Ibaraki, JP;
Yoshiaki Asanoi, Ibaraki, JP;
NITTO DENKO CORPORATION, Ibaraki-shi, Osaka, JP;
Abstract
The present invention provides a projection apparatus capable of clearly displaying a projected image, and allowing the sight behind the projected image to be viewed to a sufficient degree. A projection apparatus () of the present invention includes a light irradiation device () configured to emit an output light () having one polarized light component, and a polarizing plate () including a polarizer () irradiated with the output light (), wherein in the polarizing plate (), an absorption axis is arranged to absorb and reflect the output light () by the polarizing plate, reflectance of the polarizing plate () for the output light () is 10% or more, and single transmittance of the polarizing plate () is in the range of 30% to 90%.