A solid image pick-up device, a driving method thereof and an electronic device

• Main Author: OIKE YUSUKE
• Format: Patent
• Language: Chinese; English
• Published: 24.07.2013
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION; SEMICONDUCTOR DEVICES

A solid state imaging device includes: multiple unit pixels including a photoelectric converter (PD) generating electrical charge in accordance with incident light quantity and accumulating the charge, a first transfer gate (TRX) transferring the accumulated charge, a charge holding region (MEM) holding the transferred charge, a second transfer gate (TRG) transferring the held charge, and a floating diffusion region (FD) converting the transferred charge into voltage; an intermediate charge transfer unit (TRX) transferring, to the charge holding region (MEM), a charge exceeding a predetermined charge amount as a first signal charge; and a pixel driving unit setting the first transfer gate (TRX) to a non-conducting state, set the second transfer gate (TRG) to a conducting state, transfer the first signal charge to the floating diffusion region (FD), set the second transfer gate (TRG) to a non-conducting state, set the first transfer gate (TRX) to a conducting state, and transfer the accumulated charge to the c