Patent ID: 7609254
Filing Date: 2009-10-27
Classification: G09G

Abstract:
1. A signal driving system for a display, comprising: a signal controller, for producing a first control signal; a flexible connector, for connecting to the signal controller and receiving the first control signal; a first driving device and at least one second driving device, the first driving device and the second driving device connected in series, the first driving device connected to the flexible connector, the first driving device having a first data input port, a first converting device, a first data output port and a first driving signal output port, the first data input port used for receiving the first control signal, the first converting device disposed between the first data input port and the first data output port, and used for converting the first control signal to a second control signal, the first data output port used for outputting the second control signal to the second driving device, the first driving signal output port connected to the first converting device, and used for transmitting a first driving signal; the second driving device having a second data input port, a second data output port and a second driving signal output port, the second data input port used for receiving the second control signal from the first driving device, and connected to the second data output port so as to transmit the second control signal to the second data output port, the second driving signal output port connected between the second data input port and the second data output port, and used for transmitting a second driving signal according to the second control signal, wherein the first control signal has an amplitude that varies between a first range of voltage levels, and the second control signal has an amplitude that varies between a second range of voltage levels that is larger than the first range of voltage levels.