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. 28, 2014
Filed:
Apr. 04, 2012
Richard J. Paolini, Jr., Framingham, MA (US);
Stephen J. Telfer, Arlington, MA (US);
Alain Bouchard, Dorchester, MA (US);
John Atkinson, Somerville, MA (US);
Richard J. Paolini, Jr., Framingham, MA (US);
Stephen J. Telfer, Arlington, MA (US);
Alain Bouchard, Dorchester, MA (US);
John Atkinson, Somerville, MA (US);
E Ink Corporation, Billerica, MA (US);
Abstract
A tetrachromatic color filter array comprises multiple pixels, each of which comprises first, second, third and fourth sub-pixels having first, second, third and fourth hues, P, P, Pand Prespectively, these first, second, third and fourth hues having first, second and third hue angles, h, h, hand hrespectively. The hues of the sub-pixels such that hequals h+(180°±10°) and hequals h+(180°±10°) in the a*b* plane of the La*b* color space.