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US09575381B2 Semiconductor device and method for driving the same 有权
半导体装置及其驱动方法

Semiconductor device and method for driving the same
Abstract:
A semiconductor device includes a photodiode, a first transistor, and a second transistor. The photodiode has a function of supplying a charge corresponding to incident light to a gate of the first transistor, the first transistor has a function of accumulating the charge supplied to the gate, and the second transistor has a function of retaining the charge accumulated in the gate of the first transistor. The second transistor includes an oxide semiconductor.
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