Imaging device

A light detecting device, comprising:

• a first photoelectric conversion region, a second photoelectric conversion region, a third photoelectric conversion region, and a fourth photoelectric conversion region, wherein
• the first photoelectric conversion region is at a first row of a plurality of rows and at a first column of a plurality of columns,
• the plurality of rows and the plurality of columns are associated with the light detecting device,
• the second photoelectric conversion region is at the first row and at a second column of the plurality of columns,
• the third photoelectric conversion region is at a second row of the plurality of rows and at the first column, and
• the fourth photoelectric conversion region is at the second row and at the second column;
• a first color filter, a second color filter, a third color filter, and a fourth color filter, wherein
• the first color filter, the second color filter, the third color filter, and the fourth color filter are above the first photoelectric conversion region, the second photoelectric conversion region, the third photoelectric conversion region, and the fourth photoelectric conversion region, respectively;
• a first plurality of columnar structures above the first color filter;
• a second plurality of columnar structures above the second color filter;
• and
• a third plurality of columnar structures above the fourth color filter.