Evolution of optical structure in image sensors

On-chip optics in image sensors has played an important role for image sensor pixel shrinkage and image sensor progression on the whole. There are three key functions; light collecting, color filtering and new specific functions, all of which are reviewed with their future trends. For light collecti...

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Bibliographic Details
Main Authors: Teranishi, N., Watanabe, H., Ueda, T., Sengoku, N.
Format: Conference Proceeding
Language:English
Subjects:
Apertures
Image color analysis
Image sensors
Lenses
Microoptics
Optical filters
System-on-chip
Online Access:Request full text
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Summary:On-chip optics in image sensors has played an important role for image sensor pixel shrinkage and image sensor progression on the whole. There are three key functions; light collecting, color filtering and new specific functions, all of which are reviewed with their future trends. For light collecting technologies, 1.12 um pixel FSI (front side illumination) with noble lightpipe, which is suitable for large chief ray angle lenses, is explained.
ISSN:0163-1918
2156-017X
DOI:10.1109/IEDM.2012.6479092