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:
Oct. 21, 2014
Filed:
Oct. 28, 2009
Applicants:
Gary Gibson, Palo Alto, CA (US);
Stephen Kitson, Alveston, GB;
Tim Taphouse, Thombury, GB;
Inventors:
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/29 (2006.01); G02B 26/08 (2006.01); G09G 5/02 (2006.01); G02F 1/1335 (2006.01); G02F 1/167 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133514 (2013.01); G02F 1/133553 (2013.01); G02F 2202/046 (2013.01); G02F 1/167 (2013.01); G02F 2202/36 (2013.01); G02F 2203/055 (2013.01);
Abstract
A reflective display device has multiple display pixels. Each pixel has at least three color sub-pixels disposed side-by-side for three primary colors respectively. At least one color sub-pixel has a light shutter with adjustable transmission, a luminescent layer containing a luminescent material that emits light of a selected color, and a mirror for reflecting light corresponding to that selected color.