| 主权项 |
1. A light emitting diode lamp string driving system comprising:
a plurality of light emitting diode lamp strings, each of the light emitting diode lamp strings having a plurality of light emitting diodes connected to each other in series, each of the light emitting diodes having an addressing code; and a plurality of light emitting diode driving apparatuses electrically connected to the light emitting diode lamp strings, wherein the light emitting diode driving apparatus comprises:
a switch unit electrically connected to the light emitting diode lamp string;a control unit having a plurality of lighting patterns and electrically connected to the switch unit;a voltage level generating unit electrically connected to an output side of the light emitting diode driving apparatus and the light emitting diode lamp string; anda first signal transmission line, one side of the first signal transmission line electrically connected to an anode of one of the light emitting diodes of the light emitting diode lamp string connected to a first of the light emitting diode driving apparatuses, the other side of the first signal transmission line electrically connected to the control unit of a second of the light emitting diode driving apparatuses, wherein according to a selected lighting pattern selected from the lighting patterns, the control unit of the first of the light emitting diode driving apparatuses controls on-off actions of the switch unit, so that the voltage level generating unit generates a plurality of voltages with a specific level, so that the first of the light emitting diode driving apparatuses outputs a first control command to the light emitting diode lamp string connected to the first of the light emitting diode driving apparatuses; the light emitting diode interpreting the first control command lightens diversely; wherein the control unit of the first of the light emitting diode driving apparatuses sends the first control command to the control unit of the second of the light emitting diode driving apparatuses through the first signal transmission line electrically connected to the first of the light emitting diode driving apparatuses; when the control unit of the second of the light emitting diode driving apparatuses interprets the first control command received by the second of the light emitting diode driving apparatuses, the second of the light emitting diode driving apparatuses accordingly generates a second control command and sends the second control command to the light emitting diode lamp string electrically connected to the second of the light emitting diode driving apparatuses; the light emitting diode interpreting the second control command lightens diversely. |
