AC light emitting diode and AC LED drive methods and apparatus
An LED device for use with an AC voltage power source configured such that at least one LED emits light during a positive phase of power provided from an AC power supply and at least one LED emits light during the negative phase of power provided from an AC power supply. The LED device includes a first power connection lead and a second power connection lead, both leads capable of being connected to and receiving power from an AC power supply.
1. An apparatus comprising:
a first device including a first circuit having a first transmission conductor and a first inductor, wherein said first circuit is configured to use at least the first inductor to transmit power from the first device wirelessly; and
a second device including
(a) at least one LED,
(b) a second circuit configured to detect contact with a conductive substance via capacitive sensing for controlling the at least one LED, and
(c) a third circuit having a second transmission conductor and a second inductor, wherein said second device is configured to use at least the second inductor to receive power wirelessly from said first device for powering the apparatus.
2. The apparatus of claim 1 , wherein said first device comprises at least one colored LED.
3. The apparatus of claim 1 , wherein said second device is adapted to receive power from a power supply connected to an AC mains.
4. The apparatus of claim 1 , wherein said first device is configured to transmit power and data.
5. The apparatus of claim 1 , wherein said second device comprises a three-way switch.
6. A method of operating an apparatus, the method comprising:
receiving power wirelessly in the apparatus;
transmitting or receiving data signals wirelessly;
detecting contact with a conductive substance via capacitive sensing; and
increasing a level of power to an LED circuit comprising at least one LED in the apparatus after detection of the contact.
7. An apparatus comprising:
an LED circuit including a plurality of LEDs;
a data receiver, wherein the data receiver is configured to receive data from an antenna;
a first circuit configured to detect contact with a conductive substance via capacitive sensing for at least controlling the LED circuit;
a second circuit having a transmission conductor and an inductor, wherein the second circuit is configured to use at least the inductor to receive power wirelessly for powering the apparatus; and
a lens doped with particles configured to transmit light,
wherein the apparatus is portable.
8. The apparatus of claim 7 , wherein said apparatus is configured to provide power to said LED circuit after detection of a touch.
9. An apparatus comprising:
an LED circuit including at least one LED;
a data receiver, wherein the data receiver is configured to receive data from an antenna;
a capacitor coupled to the antenna, wherein the capacitor is configured to tune the antenna; and
a transmission conductor configured to wirelessly receive an alternating electromagnetic field that is used to provide power to charge the apparatus,
wherein the apparatus is portable.
10. An apparatus comprising:
an LED circuit comprising at least one LED;
a power supply, wherein said power supply is configured to provide power to the apparatus and is configured to receive power wirelessly from a power source;
a circuit configured to detect contact with a conductive substance for controlling at least the LED circuit; and
a data receiver, wherein said data receiver is configured to receive data from an antenna.
11. The apparatus of claim 10 , wherein said circuit is configured to detect contact with the conductive substance via capacitive sensing.
12. The apparatus of claim 10 , wherein said apparatus is configured to receive power from an AC mains power supply.
13. An apparatus comprising:
a flat planar substrate upon which is mounted a plurality of LEDs;
a data receiver, wherein the data receiver is configured to receive data from an antenna; and
a circuit configured to detect contact with a conductive substance for controlling the plurality of LEDs.
14. The apparatus of claim 13 , wherein power is provided to said plurality of LEDs after said circuit detects the contact with the conductive substance.
15. The apparatus of claim 13 , wherein said LEDs are organic LEDs.
16. An apparatus comprising:
an LED circuit comprising at least one LED;
a data receiver, wherein the data receiver is configured to receive data from a first antenna;
a second antenna configured to receive radio frequency noise, wherein said radio frequency noise is used to provide power to said apparatus; and
a circuit configured to detect contact with a user via capacitive sensing for at least controlling the LED circuit,
wherein said apparatus is portable.
17. An apparatus comprising:
an LED circuit comprising at least one LED;
a circuit configured to detect contact with a conductive substance for at least controlling the LED circuit; and
a data receiver, wherein said data receiver is configured to receive data from an antenna,
wherein said apparatus is portable.
18. An apparatus comprising:
a flat planar substrate upon which is mounted a plurality of LEDs;
a transmission conductor configured to provide data and power to said apparatus; and
a data receiver,
wherein the data receiver is configured to receive the data from the transmission conductor or an antenna and the power from the transmission conductor.
19. The apparatus of claim 18 , wherein the LEDs are Organic LEDs.
20. The apparatus of claim 18 , wherein said apparatus further comprises a MODEM.
21. A system comprising:
a first device, wherein the first device includes (a) at least one LED, (b) at least one antenna, (c) at least one data communications circuit, and (d) at least one battery, and wherein the first device is configured to detect contact with a conductive substance via capacitive sensing for controlling at least the at least one LED; and
a second device, wherein the second device is configured to transmit power and signals wirelessly to the first device.
22. A system comprising:
a transmit device, wherein the transmit device is configured to transmit power and signals; and
a data communications device, wherein the data communications device includes (a) at least one LED, (b) at least one antenna, and (c) at least one data communications circuit,
wherein the transmit device is configured to transmit power and signals wirelessly to the data communications device using resonance and inductance.
23. The apparatus of claim 1 , wherein the conductive substance includes a metallic material.
24. The method of claim 6 , wherein the conductive substance includes a metallic material.
25. The apparatus of claim 7 , wherein the conductive substance includes a metallic material.