Control module and method for controlling backlight module...

Details Control module and method for controlling backlight module... Control module and method for controlling backlight module...

2005-04-11

2008-12-02

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S089000, C345S204000, C315S291000

Reexamination Certificate

active

07460102

ABSTRACT:
A liquid crystal display having a display module, a back light module, a programmable voltage generator and a driving circuit is provided. The driving circuit is coupled to the programmable voltage generator and the back light module for adjusting the brightness level of the light sources inside the back light module according to a plurality of driving voltage signals generated by the programmable voltage generator. In addition, the present invention also includes a timing control circuit coupled to the display module so that the display module can output image data. The timing control circuit can detect the illumination status of every one of the light sources inside the back light module and control the programmable voltage generator to provide corresponding driving voltage signals using the illumination status from various light sources.

REFERENCES:
patent: 7002306 (2006-02-01), Cull et al.
patent: 2004/0017348 (2004-01-01), Numao

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