Optical element array and solid-state imaging device including the array

摘要

An optical element array includes a plurality of optical elements arranged along a first direction and a second direction. A first optical element is included at a position distanced from a center of the optical element array by a first distance. The first optical element has a first width, a first height, and a first curvature radius at the first position, and a second width, a second height, and a second curvature radius at a second position. The first width is wider than the second width, the first height is higher than the second height, and the first curvature radius is smaller than the second curvature radius. The first position and the second position are taken along a single direction.

主权项

1. An optical element arranged in a peripheral portion of an array region in which a plurality of optical elements is disposed, wherein an outer edge of the optical element, projected on a face including a first direction and a second direction orthogonal to the first direction, has a first width along the second direction and a second width, along the second direction, arranged on a side closer to the peripheral portion of the array region than a position where the first width is arranged,
wherein a height of the optical element at the position where the first width is arranged is higher than a height of the optical element at a position where the second width is arranged, and wherein a curvature radius of the optical element at a cross section along the second direction gradually increases from the position where the first width is arranged toward the position where the second width is arranged.