Power saving circuit employing visual persistence effect for...

Details Power saving circuit employing visual persistence effect for... Power saving circuit employing visual persistence effect for...

2007-09-18

2007-09-18

Philogene, Haissa (Department: 2821)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S204000, C345S212000, C315S312000, C315S294000, C315S360000

Reexamination Certificate

active

11543138

ABSTRACT:
A power saving circuit employing visual persistence effect for backlight modules aims to increase electric power at a duty mode to drive lighting units at a read end through driving units, and provide zero or lower electric power at a power saving mode to the lighting units at the rear end. Different lighting units generate light alternately in a first condition time sequence to enable user's eyes to get images. In a second condition time sequence power consumption of the driving units is reduced and user's eyes still can maintain visual sense of the images due to visual persistence effect, thereby electric power can be saved.

REFERENCES:
patent: 6791527 (2004-09-01), Yoshinaga et al.
patent: 2006/0132413 (2006-06-01), Chen et al.
patent: 2006/0187660 (2006-08-01), Liu
patent: 580681 (2004-03-01), None

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