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:
Feb. 24, 2015
Filed:
Apr. 25, 2011
Gary Gibson, Palo Alto, CA (US);
Xia Sheng, Palo Alto, CA (US);
Richard H. Henze, San Carlos, CA (US);
Gary Gibson, Palo Alto, CA (US);
Xia Sheng, Palo Alto, CA (US);
Richard H. Henze, San Carlos, CA (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A display element comprises a cell containing a fluid including a plurality of wells at the bottom of the cell. A luminescent material is within the cell for modulating light incident from the top of the cell and for returning luminescent light; and a dispersion of particles is contained within the fluid. The dispersion of particles is movable between a first state in which the particles are substantially contained within the plurality of wells and a second state in which the particles are distributed between the top and bottom of the cell, to control the intensity of luminescent light returned by the display element.