TRANSPARENT PRESSURE SENSOR AND METHOD FOR USING
First Claim
Patent Images
1. A material comprising:
- a transparent matrix; and
a plurality of transparent conducting particles dispersed in the transparent matrix.
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Abstract
A material (100) includes a transparent matrix (102) comprising at least one polymer material, and a plurality of transparent conducting particles (104) dispersed in the transparent matrix (102). The material (100) may be disposed between an array of conductive intersects to form a transparent piezoresistive sensor (300, 602). A controller (606) is coupled to the transparent piezoresistive sensor (300, 602) for sensing (702, 802, 902) a change in resistance when pressure is applied to the transparent matrix. One or more pressure levels and/or one or more locations may be sensed (704, 804, 904) to enable a function.
418 Citations
17 Claims
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1. A material comprising:
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a transparent matrix; and a plurality of transparent conducting particles dispersed in the transparent matrix. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A device comprising:
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a transparent matrix comprising at least one polymer material; a plurality of transparent conducting particles dispersed in the transparent matrix; and a controller coupled to the transparent matrix for sensing a change in resistance when pressure is applied to the transparent matrix. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method of selecting one of a plurality of modes of an electronic device having a pressure sensor including a first and a second plurality of transparent conductive traces defining unique intersections, wherein the first and a second plurality of transparent conductive traces are coupled to circuitry within the electronic device, comprising:
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detecting a change in resistance within a transparent piezoresistive material disposed between one of the first plurality of transparent conductive traces and one of the second plurality of transparent conductive traces at a first intersection; and selecting a mode based on the sensing of the change in resistance. - View Dependent Claims (15, 16, 17)
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Specification