Apparatus and method for driving backlight

Details Apparatus and method for driving backlight Apparatus and method for driving backlight

2011-08-23

2011-08-23

Vu, David Hung (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Periodic switch in the primary circuit of the supply...

C315S277000, C315S307000

Reexamination Certificate

active

08004202

ABSTRACT:
An apparatus for driving a backlight includes a controller for driving a lamp; a limiter for preventing the controller from driving the lamp during a contact condition of the lamp; and means for disabling the limiter during a first time of the controller, wherein the controller drives the lamp from a zero condition to the contact condition during the first time of the controller.

REFERENCES:
patent: 4629943 (1986-12-01), Ponce, Jr.
patent: 7358687 (2008-04-01), Lee et al.
patent: 2006/0055679 (2006-03-01), Grinshpoon et al.
patent: 2006/0158131 (2006-07-01), Mitsuyasu et al.

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