To improve the operation characteristic and reliability of a semiconductor device by optimizing the structure of bottom gate type or inverted stagger type TFTs arranged in circuits of the semiconductor device in accordance with the function of the respective circuits. At least LDD regions that overlap...http://www.google.fr/patents/US6614076?utm_source=gb-gplus-shareBrevet US6614076 - EL display device having a pixel portion and a driver circuit
EL display device having a pixel portion and a driver circuit
