Patent ID: 9036064
Filing Date: 2015-05-19
Classification: H01L,H04N

Abstract:
1. A solid-state imaging device comprising: a semiconductor substrate; pixels arranged on the semiconductor substrate in a matrix; and vertical signal lines each formed for a corresponding one of columns of the pixels, wherein: each of the pixels includes an amplifying transistor, a selection transistor, a reset transistor, and a photoelectric converting unit, the photoelectric converting unit includes a photoelectric converting film formed above the semiconductor substrate, a transparent electrode formed above the photoelectric converting film, a pixel electrode formed below the photoelectric converting film, and an accumulation diode which accumulates signal charges to be obtained by the photoelectric converting film and is connected to the pixel electrode, the pixel electrode and the accumulation diode are connected to a gate of the amplifying transistor, the amplifying transistor has a source connected to the vertical signal line and a drain connected to a power source line, the reset transistor has a source connected to the pixel electrode, the selection transistor is provided one of (i) between the source of the amplifying transistor and the vertical signal line and (ii) between the drain of the amplifying transistor and the power source line, a threshold voltage of the amplifying transistor is lower than a voltage of the accumulation diode, and the power source line supplies (i) a predetermined voltage during a period when the selection transistor is on, and (ii) a voltage lower than the predetermined voltage during a period when the selection transistor is off.