Imaging element, electronic apparatus, and method of driving imaging element

An electronic apparatus, comprising:

• an imaging element, the imaging element including:
• a first photoelectric conversion section configured to acquire a color signal of first light, and
• a second photoelectric conversion section configured to acquire a color signal of second light, wherein
• each of the first photoelectric conversion section and the second photoelectric conversion section are configured to selectively detect and photoelectrically convert light beams of different wavelength bands,
• a wavelength band of the first light is different from a wavelength band of the second light,
• the color signal of the second light is acquired based on addition of four pixels of the second photoelectric conversion section to one pixel of the first photoelectric conversion section in a high-resolution mode and a high-speed mode,
• the high-resolution mode and the high-speed mode are operation modes of the imaging element,
• the first photoelectric conversion section and the second photoelectric conversion section are stackedin order from a light incident side, and
• the second photoelectric conversion section is at an interval narrower than a pixel pitch of the first photoelectric conversion section.

A method of driving an imaging element including a first photoelectric conversion section and a second photoelectric conversion section, wherein the method comprising:

• acquiring, by the first photoelectric conversion section, a color signal of first light;
• and
• acquiring, by the second photoelectric conversion section, a color signal of second light, wherein
• each of the first photoelectric conversion section and the second photoelectric conversion section are configured to selectively detect and photoelectrically convert light beams of different wavelength bands,
• a wavelength band of the first light is different from a wavelength band of the second light,
• the color signal of the second light is acquired based on addition of four pixels of the second photoelectric conversion section to one pixel of the first photoelectric conversion section in a high-resolution mode and a high-speed mode,
• the high-resolution mode and the high-speed mode are operation modes of the imaging element,
• the first photoelectric conversion section and the second photoelectric conversion section are stackedin order from a light incident side, and
• the second photoelectric conversion section is at an interval narrower than a pixel pitch of the first photoelectric conversion section.

A light detecting device, comprising:

• a first photoelectric conversion section configured to detect a first range of light wavelengths;
• and
• a second photoelectric conversion section configured to detect a second range of light wavelengths,
• wherein the first range of light wavelengths and the second range of light wavelengths are different,
• wherein, in a first operation mode, the light detecting device is configured to readout a first set of signals from a first group of pixels in the second photoelectric conversion section and a first pixel in the first photoelectric conversion section,
• wherein, in a second operation mode, the light detecting device is configured to readout a second set of signals from a second group of pixels in the second photoelectric conversion section and the first pixel in the first photoelectric conversion section,
• wherein the first group of pixels and the second group of pixels are different, and
• wherein the first photoelectric conversion section and the second photoelectric conversion section are stacked.