| 摘要 |
A conventional circuit requires a booster circuit for generating a voltage higher than an external power supply voltage, thus low power consumption is difficult to be achieved. In addition, a display device incorporating the aforementioned conventional switching element for booster circuit has problems in that the current load is increased and the power supply becomes unstable with a higher output current. The invention provides a booster circuit including a first transistor, a second transistor, a first capacitor element, a second capacitor element, a diode, and an inverter, wherein one electrode of the first transistor is maintained at a predetermined potential, the output of the inverter is connected to the gate electrode of the first transistor and one electrode of the second transistor through the second capacitor element, the input of the inverter is connected to the other electrode of the first transistor through the first capacitor element and connected to the gate electrode of the second transistor, and the diode is connected between the other electrode of the first transistor and the other electrode of the second transistor so as to be forwardly biased.
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