Solid state image pickup device

Details Solid state image pickup device Solid state image pickup device

2005-06-07

2005-06-07

Nguyen, Cuong (Department: 2811)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Charge transfer device

C257S222000

Reexamination Certificate

active

06903391

ABSTRACT:
A solid state image pickup device includes: a semiconductor substrate defining light receiving areas; pixels formed in the light receiving areas, each pixel including a high and a low sensitivity photoelectric conversion element; a light shielding film formed above the light receiving areas and having an opening above each pixel, the opening exposing at least a partial area of the high and the low sensitivity photoelectric conversion element; an on-chip micro lens formed above each opening, the on-chip micro lens converging incidence light; and an inner lens formed between the light shielding film and the on-chip micro lens and above the opening, the inner lens being disposed so that the inner lens receives light converged by the on-chip micro lens, excluding a portion of the light, and further converges the received light to make the portion of the light propagate toward the opening without passing through the inner lens.

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patent: 2003-218343 (2003-07-01), None

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