Circuit for driving LED display

Details Circuit for driving LED display Circuit for driving LED display

2006-11-21

2006-11-21

Tran, Henry N. (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

C345S076000, C345S082000, C345S213000, C315S169100, C315S169200, C315S169300

Reexamination Certificate

active

07138995

ABSTRACT:
A circuit for driving a light-emitting diode (LED) display has multiple driving modes. The circuit has a control unit for outputting a mode-switching signal, a scan driving chip connecting with the control unit for providing a scan signal, a data driving chip connecting with the control unit and the scan driving chip for providing a data signal, a row control interface connecting with the row line, the control unit, the scan driving chip and the data driving chip to receive the mode-switching signal for switching an input end of the row control interface, and a column control interface connecting with the column line, the control unit, the scan driving chip and the data driving chip to receive the mode-switching signal for switching an input end of the column control interface.

REFERENCES:
patent: 6774878 (2004-08-01), Yoshida et al.
patent: 7042164 (2006-05-01), Yazawa
patent: 2004/0145583 (2004-07-01), Morita
patent: 2005/0219163 (2005-10-01), Smith et al.

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