Color separation filter for solid state sensor

Details Color separation filter for solid state sensor Color separation filter for solid state sensor

2009-06-24

2011-11-22

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S226000, C250S216000, C348S273000, C348S337000

Reexamination Certificate

active

08063352

ABSTRACT:
A color separation filter (100), for a solid state image sensor includes a micro lens array (108) adapted to collect a full color spectrum light source (104), a mask layer (120) is attached to the micro lens array (108), the mask layer (120) includes plurality of openings (124), each opening is positioned in front of a single micro lens from the micro lens array. Additionally it includes a first array of prisms (204), each prism is positioned in front of each of the openings, a second array of prisms (212) is attached to the first array of prisms with an optical glue layer (208). Each prism from the first array of prisms is positioned in front of a prism from the second array of prisms to create a symmetrical optical path for the color spectrum light source (304).

REFERENCES:
patent: 3971065 (1976-07-01), Bayer
patent: 7138663 (2006-11-01), Hoshuyama
patent: 7508431 (2009-03-01), Sato et al.
patent: 7667785 (2010-02-01), Van Gorkom et al.

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