Back to results
US 2010/0302288 A1Published application
Dual ended driver circuit for lcd backlight and the method thereof
OwnerYuancheng Ren, Jiali Cai +3inventors
InventorsYuancheng Ren, Jiali Cai, Lei Du, Junming Zhang, Eric Yang
Life of this patent
Estimating the term…
Abstract
A dual ended driver circuit for a LCD backlight is disclosed. The circuit comprises a master board and a slave board, which provides a first output drive signal and a second output drive signal to either end of a lamp set, respectively. The circuit only uses one control chip to synchronize and make symmetrical the first output drive signal and the second output drive signal.
Claims10
A dual ended driver circuit for a LCD backlight comprising:
- a master board, for providing a first output drive signal to one end of a lamp set;
- a slave board, for providing a second output drive signal to the other end of the lamp set,
- wherein the master board comprises a control chip, for providing a control signal to the master board and the slave board in respond to a feedback signal of the lamp set, such that the first output drive signal and the second output drive signal are synchronous and symmetrical.
A dual ended driver method for a LCD backlight comprising:
- providing a first output drive signal to one end of a lamp set;
- and
- providing a second output drive signal to the other end of the lamp set,
- wherein the first output drive signal and the second output drive signal are made to be synchronized and symmetrical by a control signal provided by a control chip.
1 more element
Dependencies are inferred from the claim text.