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.

Date of Patent:
Mar. 25, 2008

Filed:

Aug. 31, 2006
Applicants:

Kurt Stahl, Lake Oswego, OR (US);

Jeffrey A. Gohman, Hillsboro, OR (US);

Inventors:

Kurt Stahl, Lake Oswego, OR (US);

Jeffrey A. Gohman, Hillsboro, OR (US);

Assignee:

Straight Signals LLC, Las Vegas, NV (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/00 (2006.01); G03B 21/26 (2006.01); G03B 21/28 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods and apparatuses for use in image projecting are provided. One apparatus includes a transflective polarizing beam splitter, a plurality of reflective liquid crystal light valves, and a spectrally selective output device. The beam splitter is capable of receiving the wavelength bands of light and transmitting at least one wavelength band of light having a first polarization direction, and reflecting other wavelength bands of light having a second polarization direction. The light valves are capable of selectively reflecting at least portions of respective wavelength bands of lights. The spectrally selective output device is capable of receiving at least one of the portions of the wavelength band of light and changing the polarization of the portion of the first wavelength of light.


Find Patent Forward Citations

Stahl, Kurt. (2008). Color video projection system employing reflective liquid crystal display devices (U.S. Patent No. 7347559). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7347559

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

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