Color imaging device having white, cyan and yellow convex lens f

Details Color imaging device having white, cyan and yellow convex lens f Color imaging device having white, cyan and yellow convex lens f

1984-04-23

1988-01-26

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 41, 358209, 358211, 35821313, 430 7, 430321, H04N 9077, H04N 5335, H04N 904, G03F 726

Patent

active

047219998

ABSTRACT:
A color imaging device includes a solid state image sensor formed with a plurality of picture elements in a two dimensional array. A color filter array has filter portions in one-to-one correspondence with the picture elements. The filter portions are formed as lenses to provide a focusing effect. These lenses can include cyan focusing color filter portions, yellow focusing color filter portions, and full-color light-transmitting focusing color filter portions. All of these filter portions focus incident light using a lens effect onto respective elements on the solid state image sensor. In one embodiment, protective layers are located between filter parts. Other embodiments use tannic acid in their formation. In this way, inaccuracies in color signal separation are minimized.

REFERENCES:
patent: 1722368 (1929-07-01), Comstock
patent: 4460919 (1984-07-01), Takemura
Dillon, P. L. P., et al., "Fabrication and Performance of Color Filter Arrays for Solid-State Imagers", IEEE Transactions on Electron Devices, vol. ED-25, No. 2, Feb. 1978, pp. 97-101.
Dillon, P. L. P., et al., "Color Imaging System Using a Single CCD Area Array", IEEE Transactions on Electron Devices, vol. ED-25, No. 2, Feb. 1978, pp. 102-107.

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