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:
Jan. 31, 2023
Filed:
May. 20, 2021
Stanley Electric Co., Ltd., Tokyo, JP;
Tomohide Mano, Tokyo, JP;
Yoshihisa Iwamoto, Tokyo, JP;
STANLEY ELECTRIC CO., LTD., Tokyo, JP;
Abstract
Provided is an optical apparatus that is capable of switching between a state in which the optical apparatus can reflect light and a state in which the optical apparatus can output light and suppressing deterioration of display quality of a light reflection image. The optical apparatus includes: a light emitting device having a light emitting surface; an absorption type polarizing plate disposed opposite to the light emitting surface of the light emitting device; a liquid crystal optical element disposed between the light emitting device and the absorption type polarizing plate; a reflection type polarizing plate disposed between the light emitting device and the liquid crystal optical element; and an adhesive layer disposed on a surface of the reflection type polarizing plate that faces the light emitting device.