Sensors and Methods
AssigneeTouch Biometrix Limited
InventorsToru SAKAI, Wilhelmus VAN LIER, Henricus DERCKX
Life of this patent
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Abstract
Disclosed herein is a skin contact sensor comprising a sensor array of sensor pixels, wherein: each sensor pixel comprises at least one thin film transistor, TFT, and a sensing electrode; a top surface of the sensor array provides a contact surface for contacting by an object to be sensed; and each sensor pixel is formed of a plurality of layers including an optical colour filter layer arranged to filter one or more colours of light.
Claims24
A skin contact sensor comprising a sensor array of sensor pixels, wherein:
- each sensor pixel comprises at least one thin film transistor, TFT, and a sensing electrode;
- a top surface of the sensor array provides a contact surface for contacting by an object to be sensed;
- and
- each sensor pixel is formed of a plurality of layers including an optical colour filter layer arranged to filter one or more colours of light.
(canceled)
A method of manufacturing a sensor, the sensor comprising a sensor array of sensor pixels, wherein a top surface of the sensor array provides a contact surface for contacting by an object to be sensed, and wherein each sensor pixel comprises at least one thin film transistor, TFT, and a sensing electrode, the method comprising:
- for each sensor pixel, providing a plurality of layers for that sensor pixel including an optical colour filter layer.
(canceled)
(canceled)
A method of designing a sensor, the sensor comprising a sensor array of sensor pixels, wherein a top surface of the sensor array provides a contact surface for contacting by an object to be sensed, wherein each sensor pixel comprises at least one thin film transistor, TFT, and a sensing electrode, and wherein each sensor pixel is formed of a plurality of layers including an optical colour filter layer arranged to filter one or more colours of light, the method comprising:
- obtaining an indication of a selected appearance for the top surface of the sensor;
- and
- selecting at least one optical property for the optical filter of each sensor pixel of the array based on the selected appearance for the top surface of the sensor.
24-137. (canceled)
Dependencies are inferred from the claim text.