Image sensing device capable of sensing images and temperatures

An image sensing device comprising:

• a plurality of pixel circuits arranged in an array and configured to sense images and temperatures, wherein each of the pixel circuits comprises:
• a photo sensing device comprising a first end and a second end, wherein the second end of the photo sensing device is coupled to a first voltage or a second voltage;
• a transmission gate transistor comprising a first end, a second end and a control end, wherein the first end of the transmission gate transistor is coupled to the first end of the photo sensing device, and the control end of the transmission gate transistor is coupled to a first control signal;
• a reset transistor comprising a first end, a second end and a control end, wherein the first end of the reset transistor is coupled to a first power, the second end of the reset transistor is coupled to the second end of the transmission gate transistor, and the control end of the reset transistor is coupled to a second control signal;
• a function select transistor comprising a first end, a second end and a control end, wherein the first end of the function select transistor is coupled to the second end of the transmission gate transistor, the second end of the function select transistor is coupled to a first current bias or a second current bias, and the control end of the function select transistor is coupled to a third control signal;
• and
• an output stage circuit comprising an input end and an output end, wherein the input end of the output stage circuit is coupled to the second end of the reset transistor, and the output end of the output stage circuit outputs a temperature sensing signal or an image sensing signal.