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. 27, 2018
Filed:
Dec. 23, 2014
Amazon Technologies, Inc., Seattle, WA (US);
Petrus Maria De Greef, Waalre, NL;
Amazon Technologies, Inc., Seattle, WA (US);
Abstract
An electrowetting display device comprising: a first, second, third and fourth display element each including: a first fluid adjoining a surface of a support plate; a second fluid immiscible with the first fluid; a color filter overlapping a part of the surface; and an electrode for use in applying a voltage for controlling a configuration of the first and second fluids. The color filter of the first, second, third and fourth display elements outputs respectively a red hue, a green hue, a blue hue and a yellow hue. At least one of the display elements comprises a transmissive region configured to transmit light of at least one wavelength filtered by the respective color filter of the first, second, third and fourth display elements.