Lerner, David, Littenberg, Krumholz & Mentlik, LLP
Backlight, display apparatus and light source controlling method
A backlight for illuminating the back of a display section includes a plurality of light sources disposed in positions corresponding to a display area of the display section; a diffusion member configured to transmit light from the light sources to the display section; a photo-sensor; a light guiding member configured to introduce the light from the light sources to the photo-sensor for detection; and an arithmetic operation processing section configured to calculate the luminance or chromaticity of each of the light sources from the luminance or chromaticity detected by the photo-sensor.
Sony Corporation
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Yuichi Takehiro
Ohyama Misonou