Color image sensors include pixels having varying color characteristics. One of the pixels is a cyan-type pixel, which includes primary and secondary photodetectors therein. The primary photodetector extends adjacent a portion of a surface of a semiconductor substrate that is configured to receive visible...http://www.google.com.au/patents/US7679112?utm_source=gb-gplus-sharePatent US7679112 - Color image sensors having pixels with cyan-type and yellow-type color characteristics therein