Image sensor including CMOS image sensor pixel and dynamic vision sensor pixel

An image sensor comprising:

• a CMOS image sensor (CIS) pixel, the CIS pixel comprising:
• a photoelectric conversion device configured to generate charges corresponding to an incident light that is incident on the CIS pixel;
• and
• a readout circuit configured to generate an output voltage corresponding to the charges;
• and
• a dynamic vision sensor (DVS) pixel configured to detect a change in intensity of the incident light based on the charges generated by the photoelectric conversion device, and output an event signal based on the change in intensity,
• wherein the CIS pixel further comprises:
• a transfer transistor configured to transfer the charges generated by the photoelectric conversion device to a floating diffusion node;
• a reset transistor configured to reset a voltage of the floating diffusion node, in a first mode to generate a first image data of the image sensor based on the output voltage generated by the CIS pixel;
• and
• a switch transistor configured to transfer the charges transferred to the floating diffusion node to the DVS pixel in a second mode to generate a second image data based on the event signal generated by the DVS pixel, and
• wherein the readout circuit comprises:
• a drive transistor configured to output the voltage of the floating diffusion node as the output voltage in the first mode;
• and
• a select transistor configured to select the CIS pixel in the first mode.

An image sensor comprising:

• a CMOS image sensor (CIS) pixel, the CIS pixel comprising:
• a photoelectric conversion device configured to generate charges corresponding to an incident light that is incident on the CIS pixel;
• a drive transistor configured to generate an output voltage corresponding to the charges stored in a floating diffusion node;
• a reset transistor configured to reset a voltage of the floating diffusion node in a first mode to generate a first image data of the image sensor based on the output voltage generated by the CIS pixel;
• and
• a first select transistor configured to select the CIS pixel in the first mode;
• and
• a dynamic vision sensor (DVS) pixel configured to detect a change in intensity of the incident light based on the charges generated by the photoelectric conversion device, and output an event signal based on the change in intensity,
• wherein the reset transistor further configured to connect the floating diffusion node to the DVS pixel in a second mode to generate a second image data based on the event signal generated by the DVS pixel.

An image sensor comprising:

• a complementary metal-oxide semiconductor image sensor (CIS) pixel, the CIS pixel comprising:
• a first photoelectric conversion device configured to generate charges corresponding to an incident light that is incident on the CIS pixel;
• a second photoelectric conversion device configured to generate charges corresponding to the incident light that is incident on the CIS pixel;
• a first transfer transistor configured to transfer the charges generated by the first photoelectric conversion device to a floating diffusion node;
• a second transfer transistor configured to transfer the charges generated by the second photoelectric conversion device to the floating diffusion node;
• a drive transistor configured to generate an output voltage corresponding to charges of the floating diffusion node;
• a reset transistor configured to reset a voltage of the floating diffusion node in a first mode to generate first image data of the image sensor based on the output voltage generated by the CIS pixel;
• and
• a select transistor configured to select the CIS pixel in the first mode;
• and
• a dynamic vision sensor (DVS) pixel configured to detect a change in intensity of the incident light based on the charges generated by the first and the second photoelectric conversion devices, and output an event signal based on the change in intensity,
• wherein the reset transistor further configured to connect the floating diffusion node to the DVS pixel in a second mode to generate second image data based on the event signal generated by the DVS pixel.