Device and method for adjusting backlight brightness

Details Device and method for adjusting backlight brightness Device and method for adjusting backlight brightness

2008-06-03

2008-06-03

Lefkowitz, Sumati (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S204000, C345S211000, C345S212000, C345S214000, C345S690000

Reexamination Certificate

active

07382350

ABSTRACT:
A device and method for adjusting backlight brightness employed in a display. The device has a buffer, a counter, and a comparator. The buffer receives and stores an image data of a frame. The counter receives the image data and obtains an image-loading value of the image data. The comparator is coupled to the counter and compares the image-loading value with a preset image-loading value. The comparator outputs a control signal indicating the comparison result to a backlight module to adjust the brightness of the backlight module.

REFERENCES:
patent: 6621482 (2003-09-01), Fuller
patent: 6839048 (2005-01-01), Park
patent: 7113163 (2006-09-01), Nitta et al.
patent: 7136044 (2006-11-01), Sasaki
patent: 7218305 (2007-05-01), Nose
patent: 2004/0179002 (2004-09-01), Park et al.

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