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:
Jun. 15, 2021
Filed:
Jun. 08, 2017
Sony Corporation, Tokyo, JP;
Yoshihisa Aikoh, Kanagawa, JP;
SONY CORPORATION, Tokyo, JP;
Abstract
A composite-optical-system unit () includes a plurality of polarization beam splitters (A,B, andC), a pair of spacer plates (or the like), and an optical element (). Each of the pair of spacer plates () is arranged between the first polarization beam splitter (A) and the second polarization beam splitter (C) of the plurality of polarization beam splitters such that a first contact surface is fixed on an emission-side surface () of the first polarization beam splitter (A) by surface contact, and a second contact surface is fixed on an incident-side surface () of the second polarization beam splitter (C) by surface contact. The optical element () is arranged between the pair of spacer plates ().