Back-lighted control and protection device for multi-lamp LCD

Details Back-lighted control and protection device for multi-lamp LCD Back-lighted control and protection device for multi-lamp LCD

2005-06-21

2005-06-21

Vo, Tuyet (Department: 2821)

Electric lamp and discharge devices: systems

With automatic shunt and/or cutout

C315S291000, C315S307000, C362S216000

Reexamination Certificate

active

06909238

ABSTRACT:
This back-lighted control and protection device for multi-lamp liquid crystal display consists of a LCD back-lighted driver circuit, a lamp driven by the driver circuit that generates high-voltage power supply and lights up the LCD backplate, a sensor unit that is used to detect the light source of the lamp and a protection circuit that is connected to the output of the sensor unit and accepts the sensor signals given by the sensor unit to stop the driver circuit from output of high-voltage power supply.

REFERENCES:
patent: 6157143 (2000-12-01), Bigio et al.
patent: 6166491 (2000-12-01), Tsuchiya et al.
patent: 6650822 (2003-11-01), Zhou
patent: 6707264 (2004-03-01), Lin et al.

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