Solid state image pickup device with optical filter free from ag

Details Solid state image pickup device with optical filter free from ag Solid state image pickup device with optical filter free from ag

1992-11-10

1994-06-14

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250216, 430 7, H01J 4014, H01J 314

Patent

active

053212509

ABSTRACT:
A solid state image pickup device is equipped with an optical color filter over an image sensor, and a protective filter film is provided over the optical filter for eliminating ultra-violet light from optical radiation carrying an visible image so that the coloring agent of the optical color filter is not decomposed, thereby prolonging the service time of the optical color filter.

REFERENCES:
patent: 4418284 (1983-11-01), Ogawa et al.
patent: 4425416 (1984-01-01), Ogawa
patent: 4600833 (1986-07-01), Shibata et al.

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