公开(公告)号：US09659517B2

公开(公告)日：2017-05-23

申请号：US14425315

申请日：2014-11-07

Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.

Inventor： Jinjun Wu

IPC: G09G3/20 ,  G09G3/32 ,  G09G3/36 ,  H04N1/60 ,  H04N1/46 ,  H04N5/202 ,  H04N9/64 ,  H04N9/77 ,  H04N9/73 ,  H04N5/57 ,  G09G5/02 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/2003 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3677 ,  G09G3/3688 ,  G09G5/02 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2320/0276 ,  G09G2340/06 ,  G09G2360/16

Abstract: A converting system and a converting method of three-color data to four-color data are provided. The converting system includes: a first calculating part configured to calculate a saturation value and a luminance enhancement coefficient according to inputted RGB values, a second calculating part configured to calculate luminance-enhanced RGB values according to the luminance enhancement coefficient and the inputted RGB values, a white determining part configured to use a minimum value of the luminance-enhanced RGB values as an outputted W value, and a three-color determining part configured to calculate outputted RGB values according to the luminance-enhanced RGB values and the outputted W value. The invention can obtain optimal outputted W values for different inputted RGB values and maximally increase the transmittance of the display apparatus. Accordingly, the display apparatus can increase the saturation of display image while enhance the transmittance.

公开(公告)号：US09542876B2

公开(公告)日：2017-01-10

申请号：US14360698

申请日：2014-05-04

Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Jinjun Wu ,  Weiwei Zheng

IPC: G09G3/20 ,  G01M11/02 ,  G02F1/13 ,  G09G3/00

CPC classification number: G09G3/2003 ,  G01M11/02 ,  G02F1/13 ,  G09G3/006 ,  G09G2340/06 ,  G09G2360/16

Abstract: A method of obtaining luminance and chromaticity of white in the RGBW display using RGB display, including; obtaining spectral values of a q grayscale of red sub-pixels, green sub-pixels and blue sub-pixels of the RGB display; obtaining spectral values of red, green and blue sub-pixels of a color filter in the RGB display; calculating a spectral value of the q greyscale of white in the RGB display as a spectral value of the q grayscale of the white sub-pixels of the RGBW display; calculating tristimulus values WXq, WYq and WZq of the q greyscale of the white sub-pixels of the RGBW display; using the stimulus value WYq as a luminance of the q greyscale of the white sub-pixels of the RGBW display, and using the formulae x = WX q WX q + WY q + WZ q ⁢ ⁢ and y = WY q WX q + WY q + WZ q to calculate a chromaticity (x, y) of the white sub-pixel of the RGBW display.

Abstract translation: 一种使用RGB显示在RGBW显示中获得白色的亮度和色度的方法，包括： 获得RGB显示的红色子像素，绿色子像素和蓝色子像素的q个灰度的光谱值; 获得RGB显示中的滤色器的红色，绿色和蓝色子像素的光谱值; 将RGB显示中的白色q灰度的光谱值计算为RGBW显示器的白色子像素的q个灰度级的光谱值; 计算RGBW显示器的白色子像素的q灰度的三刺激值WXq，WYq和WZq; 使用刺激值WYq作为RGBW显示器的白色子像素的q灰度的亮度，并且使用公式x = WX q WX q + WY q + WZ q，和y = WY q WX q + WY q + WZ q来计算RGBW显示器的白色子像素的色度（x，y）。