To provide a highly-reliable testing method of a level shifter, a driving circuit of an electro-optical panel includes a shift register, a level shifter, and a logic operation device. The shift register sequentially outputs first transfer pulses from a plurality of stages. The level shifter shifts the...http://www.google.com.au/patents/US7064573?utm_source=gb-gplus-sharePatent US7064573 - Driving circuit, method of testing driving circuit, electro-optical apparatus, and electro-optical device
