Backlight driving method

Details Backlight driving method Backlight driving method

2007-08-14

2007-08-14

Tran, Thuy Vinh (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S360000

Reexamination Certificate

active

11168370

ABSTRACT:
A method of driving a backlight unit is provided. The backlight includes a plurality of lamps sequentially turned on/off. Each of the plurality of lamps is periodically turned on for a predetermined period. The method includes applying a first lamp current to one of the plurality of lamps for a first time period within the predetermined period so that the one of the plurality of lamps emits light with a first brightness, and applying a second lamp current to the one of the plurality of lamps for a second time period within the predetermined period so that the one of the plurality of lamps emits light with a second brightness.

REFERENCES:
patent: 6636190 (2003-10-01), Hirakata et al.
patent: 2004/0051692 (2004-03-01), Hirakata et al.
patent: 2006/0125767 (2006-06-01), Kang et al.

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