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:
Jul. 29, 2008
Filed:
May. 12, 2005
Applicants:
Allan Evans, Oxford, GB;
Grant Bourhill, Stow-on-the-World, GB;
Marina V. Khazova, Oxfordshire, GB;
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/00 (2006.01); G03B 21/26 (2006.01); G03B 21/20 (2006.01); G02F 1/1335 (2006.01); H04N 9/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A time-sequential colour projector comprises a pixellated light valve (), such as a liquid crystal device, and a plurality of light sources (). The light sources () direct light on different sets of pixels of the light valve () via an optical system (), such as a lens array, which focuses the light on pixels of the light valve (). At least two of the light sources () are multiple colour light sources and the multiple colour light sources emit different colour components during each set of frames making up a complete image frame.