d???c. 2014Semiconductor Energy Laboratory Co., Ltd.Semiconductor device, display device and electronic device including a current source and a diode electrically connected at an output of the current source* Cit??? par l'examinateurClassifications Classification aux ???tats-Unis438/281, 257/E21.619, 438/592, 257/E21.622, 438/432 Classification internationaleH01L21/8234 Classification coop???rativ