Solid-state color image sensor having an arrangement to compensa

Details Solid-state color image sensor having an arrangement to compensa Solid-state color image sensor having an arrangement to compensa

1998-06-10

2000-10-03

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250226, 257435, H01L 2700

Patent

active

061276707

ABSTRACT:
A solid-state color image sensor includes a two-dimensional array of photo-to-electric conversion areas. A color separation filter has segments opposed to the photo-to-electric conversion areas respectively. The color separation filter segments have respective colors selected from among at least first and second predetermined colors. Micro-lenses operate for focusing portions of incident light containing image information on the photo-to-electric conversion areas via the color separation filter segments, respectively. The micro-lenses related to the color separation filter segments having the first predetermined color are different in characteristic from the micro-lenses related to the color separation filter segments having the second predetermined color. For example, the micro-lenses related to the color separation filter segments having the first predetermined color have a first predetermined curvature, and the micro-lenses related to the color separation filter segments having the second predetermined color have a second predetermined curvature different from the first predetermined curvature.

REFERENCES:
patent: 5404005 (1995-04-01), Shimomura et al.
patent: 5466926 (1995-11-01), Sasano et al.

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