| 摘要 |
PROBLEM TO BE SOLVED: To provide a light emitting device capable of reducing the power consumption even in the case where a screen size is made large. SOLUTION: The device is subjected to plating of a surface of a source signal line or a surface of a power supply line in a pixel portion, thereby reducing the resistance of a wiring. The source signal line in the pixel portion is manufactured by a process different from a process of manufacturing a source signal line in a driver circuit portion. Also, the power supply line in the pixel portion is manufactured by a process different from a process of manufacturing a power supply line led onto a substrate. Further, with respect to a terminal, the same plating is performed to reduce the resistance. It is desirable that a wiring before plating is made of the same material as a gate electrode and the surface of the wiring is plated to form the source signal line or the power supply line. COPYRIGHT: (C)2008,JPO&INPIT
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