Highly sensitive, fast pixel for use in an image sensor
First Claim
1. A pixel for use in an image sensor, comprisinga plurality of storage elements for storing charge carriers, each of the storage elements comprising a diffusion well or an integration gate for accumulating the charge carriers, anda plurality of radiation-sensitive elements for converting incident radiation into the charge carriers, wherein each of the radiation sensitive elements includes:
- outputs, each of the outputs being electrically connected a different one of the storage elements, and a charge transport system for transporting the charge carriers to a selected one of the outputs with the charge carriers being summed up in each of the storage elements from the plurality of radiation-sensitive elements.
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Accused Products
Abstract
The pixel (1) for use in an image sensor comprises a plurality of small-sized radiation-sensitive elements (2.1-2.9) for converting incident radiation into electric signals, the radiation-sensitive elements (2.1-2.9) being properly interconnected to form a larger radiation-sensitive area. The pixel (1) further comprises a plurality of storage elements (3A-3D) for storing the electric signals. The pixel further comprises transfer means for transferring the electric signals from the radiation-sensitive elements (2.1-2.9) to any selected one of the storage elements (3A-3D). The pixel (1) exhibits a high optical sensitivity and a high demodulation speed, and is especially suited for distance-measuring sensors based on the time-of-flight (TOF) principle or interferometry.
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Citations
3 Claims
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1. A pixel for use in an image sensor, comprising
a plurality of storage elements for storing charge carriers, each of the storage elements comprising a diffusion well or an integration gate for accumulating the charge carriers, and a plurality of radiation-sensitive elements for converting incident radiation into the charge carriers, wherein each of the radiation sensitive elements includes: - outputs, each of the outputs being electrically connected a different one of the storage elements, and a charge transport system for transporting the charge carriers to a selected one of the outputs with the charge carriers being summed up in each of the storage elements from the plurality of radiation-sensitive elements.
- View Dependent Claims (2, 3)
Specification