| 摘要 |
PURPOSE: A light emitting device and a method of driving the same are provided to be capable of obtaining a constant luminance irrespective of temperature change. CONSTITUTION: A pixel(101) has a source signal line(Si) (one of source signal lines S1 to Sx), a writing gate signal line(Gaj) (one of writing gate signal lines Ga1 to Gay), a display gate signal line(Gbi) (one of display gate signal lines Gb1 to Gby), and a power supply line(Vi) (one of power supply lines V1 to Vx). The pixel(101) also have a first switching TFT(102), a second switching TFT(103), a current controlling TFT(104), an EL driving TFT(105), an EL element(106), and a capacitor(107). The first switching TFT(102) and the second switching TFT(103) are both connected to the writing gate signal line(Gaj) at their gate electrodes.
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