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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.:

US 9774417 B1

PDFFull Text
Expired
Date of Patent:
Sep. 26, 2017

Filed:

Oct. 25, 2013

Polarization splitting multiplexing device, optical system, and display unit

Applicant:

Sony Corporation, Tokyo, JP;

Inventors:

Tomoki Ono, Kanagawa, JP;

Mikio Takiguchi, Kanagawa, JP;

Atsushi Fukumoto, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:

K&L Gates LLP

Primary Examiner:

Sultan Chowdhury

Assistant Examiner:

Danell L Owens

Int. Cl.
CPC ...
H04J 14/06 (2006.01); G02B 27/28 (2006.01); G02B 27/48 (2006.01); G03B 21/20 (2006.01); G03B 33/06 (2006.01); H04N 9/31 (2006.01); H04B 10/25 (2013.01);
U.S. Cl.
CPC ...
H04J 14/06 (2013.01); G02B 27/283 (2013.01); G02B 27/48 (2013.01); G03B 21/2033 (2013.01); G03B 21/2073 (2013.01); G03B 33/06 (2013.01); H04B 10/2504 (2013.01); H04N 9/3129 (2013.01);
Abstract

An optical system is provided including a light source configured to emit a light; and a polarizing splitting multiplexing device including a first prism configured to split the light into two polarized light beams having different optical path lengths, and a second prism configured to combine the two polarized light beams. The first prism includes a first reflective surface and a first polarization splitting surface facing the first reflective surface, and the second prism includes a second reflective surface and a second polarization splitting surface facing the second reflective surface.

Find Patent Forward Citations

Ono, Tomoki. (2017). Polarization splitting multiplexing device, optical system, and display unit (U.S. Patent No. 9774417). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9774417

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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