Pixel circuit, photoelectric detection substrate, photoelectric detection device and driving method

A photoelectric detection substrate, comprising:

• a plurality of reset control signal lines;
• a plurality of scan signal lines;
• a plurality of reference signal lines;
• a plurality of first initialization signal lines;
• a plurality of second initialization signal lines;
• a plurality of gate signal lines;
• and
• an array of pixel circuits;
• wherein each pixel circuit comprises:
• a charge storage circuit, a reset circuit, a photosensitive control circuit, and an output circuit;
• a first terminal and a second terminal of the charge storage circuit are electrically coupled to a first node and a second node, respectively;
• a first control terminal of the reset circuit is electrically coupled to a reset control signal line, a second control terminal of the reset circuit is be electrically coupled to a scan signal line;
• a first terminal, a second terminal and a third terminal of the reset circuit are electrically coupled to a reference signal line, a first initialization signal line, and a second initialization signal line, respectively;
• a fourth terminal, a fifth terminal, and a sixth terminal of the reset circuit are electrically coupled to the first node, a photodiode of the pixel circuit and the second node, respectively;
• a control terminal of the photosensitive control circuit is electrically coupled to a gate signal line;
• a first terminal, a second terminal and a third terminal of the photosensitive control circuit are electrically coupled to the photodiode, the first node and the second node, respectively;
• a first control terminal of the output circuit is electrically coupled to the second node, a second control terminal of the output circuit is electrically coupled to a scan signal line;
• a first terminal and a second terminal of the output circuit are electrically coupled to a first level terminal and a fourth terminal of the photosensitive control circuit, respectively;
• the first control terminal of the reset circuit of each pixel circuit is electrically coupled to one reset control signal line;
• the second control terminal of the reset circuit of each pixel circuit is electrically coupled to one scan signal line;
• the first terminal, the second terminal and the third terminal of the reset circuit of each pixel circuit are electrically coupled to one reference signal line, one first initialization signal line, and one second initialization signal line, respectively;
• the control terminal of the photosensitive control circuit of each pixel circuit is electrically coupled to one gate signal line;
• the second control terminal of the output circuit of each pixel circuit is electrically coupled to one scanning signal line,
• wherein the reference signal line, the first initialization signal line and the second initialization signal line electrically coupled to one identical pixel circuit are one identical signal line.

A pixel circuit, comprising:

• a charge storage circuit, wherein a first terminal and a second terminal of the charge storage circuit are electrically coupled to a first node and a second node, respectively;
• a reset circuit, wherein a first control terminal of the reset circuit is electrically coupled to a reset control signal line, a second control terminal of the reset circuit is electrically coupled to a scan signal line;
• a first terminal, a second terminal and a third terminal of the reset circuit are electrically coupled to a reference signal line, a first initialization signal line, and a second initialization signal line, respectively, a fourth terminal, a fifth terminal, and a sixth terminal of the reset circuit are electrically coupled to the first node, a photodiode of the pixel circuit and the second node, respectively;
• a photosensitive control circuit, wherein a control terminal of the photosensitive control circuit is electrically coupled to a gate signal line;
• a first terminal, a second terminal and a third terminal of the photosensitive control circuit are electrically coupled to the photodiode, the first node and the second node, respectively;
• and
• an output circuit, wherein a first control terminal of the output circuit is electrically coupled to the second node, a second control terminal of the output circuit is electrically coupled to a scan signal line, a first terminal and a second terminal of the output circuit are electrically coupled to a first level terminal and a fourth terminal of the photosensitive control circuit, respectively,
• wherein the output circuit includes a first driving circuit and a second driving circuit;
• a control terminal and a first terminal of the first driving circuit serve as the first control terminal and the first terminal of the output circuit, respectively;
• a second terminal of the first driving circuit and a first terminal of the second driving circuit together serve as the second terminal of the output circuit;
• a control terminal and a second terminal of the second driving circuit serve as the second control terminal and the third terminal of the output circuit, respectively.