Light emitting diode backlight module and driving apparatus...

Details Light emitting diode backlight module and driving apparatus... Light emitting diode backlight module and driving apparatus...

2009-01-21

2011-12-27

Tran, Anh (Department: 2819)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S18500S, C315S307000, C315S308000

Reexamination Certificate

active

08084959

ABSTRACT:
A light emitting diode (LED) backlight module, a driving apparatus and a driving method thereof are provided. The driving apparatus is adapted to drive at least one LED of at least one lighting unit within the LED backlight module. The driving apparatus includes a latch unit and a switch unit. The latch unit is used for receiving a control backlight data and latching the control backlight data during a frame period according to a trigger signal, so as to output a control signal. The switch unit is coupled to the latch unit and the LED for receiving the control signal to determine whether the LED emits or not.

REFERENCES:
patent: 2006/0170373 (2006-08-01), Yang
patent: 2007/0047256 (2007-03-01), Seong et al.
patent: 2009/0040173 (2009-02-01), Ezaki et al.
patent: 2009/0315473 (2009-12-01), Tsai et al.
patent: 7140438 (1995-06-01), None
“1st Office Action of China counterpart application”, issued on Feb. 12, 2010, p. 1-p. 7.

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