Method for dynamically modulating driving current of...

Details Method for dynamically modulating driving current of... Method for dynamically modulating driving current of...

2007-12-25

2007-12-25

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S211000, C345S212000, C345S213000, C345S204000, C345S690000

Reexamination Certificate

active

10790825

ABSTRACT:
According to the brightness distribution of a previous frame, the driving current of the backlight module dynamically varies. When the concentration of the brightness distribution is toward high brightness, the backlight module increases its luminous intensity. On the contrary, when the concentration of the brightness distribution is toward low brightness, the backlight module decreases its luminous intensity. We can set the luminous modulation period of the backlight module to be synchronized with a vertical scanning period or several vertical scanning periods.

REFERENCES:
patent: 6839048 (2005-01-01), Park
patent: 6850214 (2005-02-01), Nishitani et al.
patent: 2005/0057484 (2005-03-01), Diefenbaugh et al.
patent: 2005/0104838 (2005-05-01), Sasaki

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