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. 07, 2009
Filed:
Oct. 20, 2004
Applicants:
Thomas C. Anthony, Sunnyvale, CA (US);
Lung T. Tran, Saratoga, CA (US);
Gary Alfred Gibson, Palo Alto, CA (US);
Inventors:
Thomas C. Anthony, Sunnyvale, CA (US);
Lung T. Tran, Saratoga, CA (US);
Gary Alfred Gibson, Palo Alto, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A display element includes a variable optical element that changes appearance in response to changes in current, and a programmable resistance in series with the variable optical element. The resistance of the programmable resistance decreases in response to a first current in a first direction. The resistance of the programmable resistance increases in response to a second current in a second direction.