Backlight, display apparatus and light source controlling...

Details Backlight, display apparatus and light source controlling... Backlight, display apparatus and light source controlling...

2006-10-16

2011-12-27

Eisen, Alexander (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S087000, C315S169300

Reexamination Certificate

active

08085238

ABSTRACT:
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.

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