Patent ID: 9419049
Filing Date: 2016-08-16
CPC Classification: B29D,G02B,H01L,H04N

Claim Text:
1. An optical assembly, comprising: a photosensor array, comprising a plurality of photosensors; a pixel-level microlens array, comprising at least two layers, each layer comprising a plurality of microlenses, each microlens configured to direct light toward a corresponding photosensor of the photosensor array; a first spacing layer, comprising a solid optically transmissive material, situated between and adjoining the layers of the pixel-level microlens array and configured to separate the layers of the pixel-level microlens array from one another; a second spacing layer, comprising a solid optically transmissive material, adjoining one of the layers of the pixel-level microlens array; and a plenoptic microlens array adjoining the second spacing layer, configured to direct incoming light through the second spacing layer and toward the pixel-level microlens array, the plenoptic microlens array having a top surface and a bottom surface; wherein the second spacing layer is situated between the pixel-level microlens array and the plenoptic microlens array and is configured to separate the pixel-level microlens array from the plenoptic microlens array.