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US 7,098,414 B2Granted
Integrated touch sensor and light apparatus
AssigneeTouchsensor Technologies, LLC
InventorDavid W. Caldwell
Life of this patent
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Abstract
A touch sensor is physically integrated with a light emitting device to provide a switching device with built-in backlighting. In some embodiments, the touch sensor and the light emitting device share electrical components.
Claims32
A selectively illuminated touch sensor apparatus, comprising:
- a substrate;
- a first touch sensor disposed on said substrate;
- a first insulating layer, wherein at least a portion of said first insulating layer is disposed on said first touch sensor;
- and
- a first independent light emitting device, wherein at least a portion of said first independent light emitting device is disposed on said first insulating layer in alignment with said first touch sensor.
2 more elements
Dependencies are inferred from the claim text.