Range sensor and range image sensor
First Claim
1. A range sensor comprising:
- a charge generating region at which charges are generated in response to incident light;
a charge collecting region that collects the charges from the charge generating region;
a transfer electrode provided at a periphery of the charge collecting region and completely surrounding the charge collecting region, and a potential adjusting portion that increases a potential gradient from the charge generating region to the charge collecting region.
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Abstract
The range image sensor is a range image sensor which is provided on a semiconductor substrate with an imaging region composed of a plurality of two-dimensionally arranged units (pixel P), thereby obtaining a range image on the basis of charge quantities QL, QR output from the units. One of the units is provided with a charge generating region (region outside a transfer electrode 5) where charges are generated in response to incident light, at least two semiconductor regions 3 which are arranged spatially apart to collect charges from the charge generating region, and a transfer electrode 5 which is installed at each periphery of the semiconductor region 3, given a charge transfer signal different in phase, and surrounding the semiconductor region 3.
31 Citations
10 Claims
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1. A range sensor comprising:
- a charge generating region at which charges are generated in response to incident light;
a charge collecting region that collects the charges from the charge generating region;
a transfer electrode provided at a periphery of the charge collecting region and completely surrounding the charge collecting region, and a potential adjusting portion that increases a potential gradient from the charge generating region to the charge collecting region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- a charge generating region at which charges are generated in response to incident light;
Specification