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A color-independent saturation, linear response, wide dynamic range CMOS image sensor with retinal rod- and cone-like color pixels

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5 Author(s)
Kawada, S. ; Graduate School of Engineering, Tohoku University, 6-6-11 Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan ; Sakai, S. ; Akahane, N. ; Mizobuchi, K.
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A CMOS image sensor densely and uniformly placed the retinal rod- and cones-like WRGB pixels with lateral overflow integration capacitors having the different sizes in each color has been demonstrated. A 1/3.3-inch, 4.2-µm effective pitch, 1280H H 480V checker-pattern pixels CMOS image sensor was fabricated and has achieved color-independent saturation and about twice the effective sensitivity compared with conventional Bayer-RGB color filter image sensor made at the same time.

Published in:

VLSI Circuits, 2009 Symposium on

Date of Conference:

16-18 June 2009