权利要求：
CLAIMS
1 . A lighting apparatus, comprising:
a connection socket (102) adapted to transmit electricity;
a plurality of printed circuit boards (PCBs) (104);
an LED (106) mounted on each of the plurality of PCBs (104) to provide a plurality of LEDs;
a diffuser (108) positioned over the LEDs to diffuse light generated by the LEDs; an electronic driver circuit (1 10) electrically connected to the connection socket (102) and to the PCBs (104) so as to convert electricity from the connection socket to an electrical output that operates the LEDs (106), the electronic driver circuit mounted in a driver circuit housing (1 12); and
a heat sink including:
a center passageway (120) passing from a chimney inlet (122) to the driver circuit housing (1 12);
a plurality of internal heat sink fins (124) within the center passageway;
a plurality of external heat sink fins (126) adjacent the driver circuit housing; and
a flow channel between each set of two adjacent heat sink fins of the plurality of heat sink fins to provide a plurality of internal inlet flow channels (132) and a plurality of external outlet flow channels (134), with each flow channel aligned with one of the plurality of PCBs (104).
2. The lighting apparatus of claim 1 , wherein each of the plurality of PCBs are angularly positioned concentric about the center passageway at an angle (m) between
70 degrees and 90 degrees from a face of the chimney inlet.
3. The lighting apparatus of claim 1 , wherein the chimney inlet has a diameter substantially the same as the driver circuit housing.
4. The lighting apparatus of claim 1 , wherein the plurality of external heat sink fins (126) extend between the driver circuit housing (1 12) and the diffuser (108), and wherein the plurality of internal heat sink fins (124) extend between the driver circuit housing (1 12) and the chimney inlet (122).
5. The lighting apparatus of claim 1 , wherein the plurality of heat sink fins (124, 126)
6. The lighting apparatus of claim 1 , wherein the driver circuit housing (1 12) has a right circular cone surface with an apex centered within the center passageway, the cone surface having an apex angle (n) greater than 120 degrees.
7. The lighting apparatus of claim 1 , wherein the connection socket (102) is suitable for standard indoor A19, PAR38, MR16, PAR20 and downlight type of lamps.
8. The lighting apparatus of claim 1 , further comprising a cable channel (140) within one of the plurality of heat sink fins between a PCB and the driver circuit.
9. The lighting apparatus of claim 1 , wherein the heat sink further comprises an electrical insulating layer (1 14) positioned between the heat sink and the electronic driver circuit, the electrical insulating layer having a conical section positioned at least partially within the center passageway.
10. The lighting apparatus of claim 1 , further comprising phosphor positioned at a location selected from the group consisting of a lower surface of the diffuser, on an LED package, within the diffuser, and a combination thereof.
1 1 . The lighting apparatus of claim 1 , further comprising a plurality of mounting plates (150) angularly positioned concentric about the center passageway and between the diffuser and the chimney inlet, each of the plurality of mounting plates (150) positioned at an angle (m) between 70 degrees and 90 degrees from a face of the chimney inlet.
12. The lighting apparatus of claim 1 1 , wherein each of the plurality of mounting plates (150) has a first end (152) positioned adjacent to said chimney inlet and a second end (154) positioned adjacent to an intersection between the plurality of heat sink fins and the diffuser.
13. The lighting apparatus of claim 1 , further comprising:
a sensor (502, 602, 702) within a flow channel or the center passageway, the sensor configured to measure a parameter selected from the group consisting of temperature, visible radiation, combustion product, orientation, sound, motion, and humidity; and
a communication module (1 1 1 ) configured to transmit and receive parameter data to and from a building heating and cooling system.
14. A lighting apparatus, comprising:
a connection socket adapted to transmit electricity;
a plurality of printed circuit boards (PCBs);
an LED mounted on each of the plurality of PCBs to provide a plurality of LEDs; a diffuser positioned over the LEDs to guide and diffuse light generated by the LEDs;
an electronic driver circuit electrically connected to the connection socket and to the PCBs so as to convert electricity from the connection socket to an electrical output that operates the LEDs, the electronic driver circuit mounted in a driver circuit housing; a heat sink including:
a center passageway passing from a chimney inlet to the driver circuit housing, the chimney inlet allowing air to enter into the center passageway;
a plurality of internal heat sink fins within the center passageway and cooperative with the LEDs, wherein the plurality of internal heat sink fins extend between the driver circuit housing and the chimney inlet;
a plurality of external heat sink fins adjacent the driver circuit housing and cooperative with the driver circuit, wherein the plurality of external heat sink fins extend between the driver circuit housing and the diffuser; and
a flow channel between each set of two adjacent heat sink fins of the plurality of heat sink fins to provide a plurality of internal inlet flow channels and a plurality of external outlet flow channels, with each outlet flow channel aligned with one of the plurality of inlet flow channels and one of the plurality of PCBs; and
a plurality of mounting plates, each mounting plate having a first end positioned adjacent to said chimney inlet and a second end positioned adjacent to an intersection between the plurality of heat sink fins and the diffuser;
wherein each of the plurality of PCBs is mounted on a mounting plate, and is angularly positioned concentric about the center passageway between the diffuser and
the chimney inlet, at an angle (m) between 70 degrees and 90 degrees from a face of the chimney inlet.
15. The lighting apparatus of claim 14, further comprising a cable channel within one of the plurality of heat sink fins between a PCB and the driver circuit.
16. The lighting apparatus of claim 14, wherein the driver circuit housing has a right circular cone surface with an apex centered within the center passageway, the cone surface having an apex angle greater than 120 degrees.
17. The lighting apparatus of claim 14, further comprising:
a sensor within a flow channel or the center passageway, the sensor configured to measure a parameter selected from the group consisting of temperature, visible radiation, a combustion product, orientation, sound, motion, and humidity; and
a transceiver configured to send and receive parameter data through an access point to the Internet.
18. A method of controlling a lighting apparatus, the method comprising:
providing a lighting apparatus, comprising:
a connection socket adapted to transmit electricity;
a plurality of printed circuit boards (PCBs);
an LED mounted on each of the plurality of PCBs to provide a plurality of LEDs;
a diffuser positioned over the LEDs to diffuse light generated by the LEDs; an electronic driver circuit electrically connected to the connection socket and to the PCBs so as to convert electricity from the connection socket to an electrical output that operates the LEDs, the electronic driver circuit mounted in a driver circuit housing; and
a heat sink including:
a center passageway passing from a chimney inlet to the driver circuit housing;
a plurality of internal heat sink fins within the center passageway;
a plurality of external heat sink fins adjacent the driver circuit housing; and
a flow channel between each set of two adjacent heat sink fins of the plurality of heat sink fins to provide a plurality of flow channels, with each flow channel aligned with one of the plurality of PCBs;
a sensor within a flow channel or the center passageway, the sensor configured to detect one of temperature, visible radiation, combustion product, orientation, sound, motion, and humidity; and
a transceiver configured to send and receive data through an access point to the Internet;
sensing a parameter with the sensor;
transmitting a parameter data signal through the transceiver regarding the parameter; and
receiving a control signal through the transceiver regarding the parameter.
19. The method of claim 18, wherein sensing of the parameter includes sensing one of temperature, visible radiation, combustion product, orientation, sound, motion, and humidity.
20. The method of claim 18, further comprising adjusting the electrical output that operates the LEDs based upon the received control signal.