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:
Apr. 08, 2014
Filed:
Sep. 27, 2010
Toshio Fujii, Osaka, JP;
Toshio Fujii, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A liquid crystal display device () according to the present invention has a pixel (P), which includes red, green, blue and yellow subpixels (R, G, B and Y). The chromaticity of the yellow subpixel (Y) is outside of a triangle that is defined by connecting together the respective chromaticities of the red, green and blue subpixels (R, G and B). And the respective aperture areas S, S, Sand Sof the red, green, blue, and yellow subpixels (R, G, B and Y) and the respective transmittances T, T, Tand Tof their associated red, green, blue, and yellow color filters (CR, CG, CB and CY) satisfy the inequality T>[(S+S+S+S)(T+T+T)−3(S×T+S×T+S×T)]/3S.