Contact lens employing optical signals for power and/or communication
First Claim
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1. A contact lens, comprising:
- a substrate of the contact lens;
an optical communication device disposed on or within the substrate, wherein the optical communication device is configured to modulate light to communicate data to a device, and wherein the device is located external to the contact lens; and
a photodetector, disposed on or within the substrate, wherein the photodetector is configured to harvest light emitted from the device and to generate power from the harvested light, and wherein the photodetector is configured to detect a modulated optical signal from the device to receive data from the device.
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Abstract
Apparatus, systems and methods employing contact lens sensors are provided. In some aspects, a contact lens includes a substrate that forms at least a portion of the body of the contact lens; an optical communication device disposed on or within the substrate; and a photodetector disposed on or within the substrate, wherein the photodetector harvests light emitted from a device and generates power from the harvested light. In some aspects, an apparatus comprises a tag having a circuit including: an optical communication device; and a photodetector that harvests light received and generates power from the harvested light. The tag can be disposed on or within a contact lens in various aspects.
221 Citations
14 Claims
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1. A contact lens, comprising:
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a substrate of the contact lens; an optical communication device disposed on or within the substrate, wherein the optical communication device is configured to modulate light to communicate data to a device, and wherein the device is located external to the contact lens; and a photodetector, disposed on or within the substrate, wherein the photodetector is configured to harvest light emitted from the device and to generate power from the harvested light, and wherein the photodetector is configured to detect a modulated optical signal from the device to receive data from the device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system, comprising:
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a device having a transmitter configured to emit light; and a contact lens, comprising; a substrate; and a circuit, disposed on or within the substrate, the circuit comprising; one or more sensors configured to sense a feature of a wearer of the contact lens; a communication component configured to output information indicative of the sensed feature from the contact lens; a processor configured to process the information indicative of the sensed feature; and one or more light sensors, wherein the one or light sensors are configured to (i) harvest light emitted from the device, (ii) power at least one of the communication component or the processor using the harvested light, and (iii) detect a modulated optical signal from the device to receive data from the device. - View Dependent Claims (12, 13, 14)
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Specification