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:
Aug. 21, 2012
Filed:
Dec. 01, 2008
Applicants:
Adrian Geisow, Portishead, GB;
Stephen Kitson, Alveston, GB;
Inventors:
Adrian Geisow, Portishead, GB;
Stephen Kitson, Alveston, GB;
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A reflective display device () comprises a plurality of controllable light absorption layers () arranged in a stack. Each of the layers () is capable of absorbing incident light in a specified wavelength band. A selective reflector () is immediately behind at least one of the layers () and is adapted to reflect at least some wavelengths of light within the wavelength band and substantially to transmit light of other wavelengths.