CCD-solid state image sensor using electron and hole signal charges and method for processing signal thereof
AssigneeLG Semicon Co., Ltd.
InventorUya Shinji
Life of this patent
Estimating the term…
Abstract
A CCD-solid state image sensor includes a sensing area for generating signal charges in response to incident light, a storage area for storing the signal charges from the sensing area, an HCCD (Horizontal Charge Coupled Device) for extracting the signal charges stored in the storage area, a high sensitivity signal charge detection and amplification circuit for detecting and amplifying signal charges of electrons from the HCCD, and a low sensitivity signal charge detection and amplification circuit for detecting and amplifying signal charges of holes from the HCCD.
Claims20
A CCD-solid state image sensor, comprising:
- a sensing area for generating signal charges in response to incident light;
- a storage area for storing the signal charges from the sensing area;
- a horizontal charge coupled device for extracting the signal charges stored in the storage area;
- a high sensitivity signal charge detection and amplification circuit for detecting and amplifying signal charges of electrons from the horizontal charge coupled device;
- and
- a low sensitivity signal charge detection and amplification circuit for detecting and amplifying signal charges of holes from the horizontal charge coupled device.
A method for processing signals of a CCD-solid state image sensor comprising the steps of:
- generating signal charges of electrons and holes in response to incident light;
- storing the generated signal charges;
- extracting the stored signal charges;
- detecting signal charges of electrons;
- detecting signal charges of holes;
- and
- composing the detected signal charges of the electrons and the holes.
A method for processing signals of a CCD-solid state image sensor comprising the steps of:
- generating signal charges of electrons and holes in response to incident light on a sensing area;
- storing the generated signal charges in a storage area;
- extracting the stored signal charges from the storage area into a horizontal charge coupled device;
- detecting signal charges of electrons with a high sensitivity signal charge detection and amplification circuit;
- and
- detecting signal charges of holes with a low sensitivity signal charge detection and amplification circuit.
Dependencies are inferred from the claim text.