Patent ID: 9432568
Filing Date: 2016-08-30
CPC Classification: G06T,H01L,H04N

Claim Text:
1. An image sensor having a pixel array, wherein the pixel array comprises: a plurality of image pixels that gather image data, wherein each image pixel has only a single photodiode covered by only a single microlens; a pair of phase detection pixels that gather phase information, wherein the pair of phase detection pixels includes first and second phase detection pixels with different angular responses; and a color filter array, wherein the color filter array comprises a plurality of color filter elements formed over the plurality of image pixels, wherein the plurality of color filter elements are arranged according to a color pattern, wherein the first and second phase detection pixels include respective first and second color filter elements having respective first and second colors that match the color pattern, and wherein the color pattern comprises a repeating unit cell of two-by-two color filter elements that is repeated across the entire color filter array.