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:
May. 01, 2018
Filed:
Aug. 28, 2015
Shenzhen China Star Optoelectronics Technology Co., Ltd., Shenzhen, Guangdong, CN;
Yufeng Jin, Guangdong, CN;
Shenzhen China Star Optoelectronics Technology Co., Ltd, Shenzhen, Guangdong, CN;
Abstract
An RGB to RGBW brightness compensation method and device is disclosed. The method includes: retrieving multiple gray scale values of RGB color RGB(x, y, z), wherein x, y, z are gray scale levels of red, green and blue sub-pixels of an RGB model, 0≤x, y, z≤1; multiplying the gray scale values of RGB color RGB (x, y, z) by N to obtain an enhanced gray scale values of RGB color RGB (Nx, Ny, Nz), wherein N is 4/3 and a minimum value selected from x, y, z is taken to represent a first conversion value W1; and obtaining multiple gray scale values of RGBW color RGBW (Nx−W1, Ny−W1, Nz−W1, W1) according to the enhanced gray scale values of RGB color RGB (Nx, Ny, Nz) and the first conversion value W1. Accordingly, a brightness of the RGBW model of a liquid crystal panel is compensated.