Lighting device

• US 9,629,224 B2
• Filed: 08/14/2012
• Issued: 04/18/2017
• Est. Priority Date: 09/15/2011
• Status: Expired due to Fees

• Current Assignee: Siteco GmbH (Prosperity Lamps & Components Limited)
• Original Assignee: OSRAM GmbH (Ams-Osram AG)
• Inventors: Dai, Xuewei, Lin, Aimin, Tjaco, Middel, Ye, Zesheng
• Primary Examiner(s): Owens, Douglas W
• Assistant Examiner(s): Chan, Wei
• Application Number:
  US14/344,920
• Publication Number:
  US 20140375204A1
• Time in Patent Office: 1,708 Days
• Field of Search: 700276, 700297, 34081545, 315 34
• CPC Class Codes: F21K 9/00 Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
• CPC Class Codes: F21V 23/006 the substrate being distinct from the light source holder
• CPC Class Codes: F21V 29/70 characterised by passive heat-dissipating elements, e.g. heat-sinks
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H05B 45/10 Controlling the intensity of the light
• CPC Class Codes: H05B 47/19 via wireless transmission

Abstract

A lighting device may include a tube and end caps located at two ends of the tube, a lighting assembly arranged in the tube, a driver for the lighting assembly, an antenna, and a wireless communication circuit for conducting wireless communication, the antenna being provided in the end cap and the wireless communication circuit being provided in the tube or at least partially provided in the end cap, and one side of the wire communication circuit being connected to the driver and the other side thereof being connected to the antenna.

Claims

1. A lighting device, comprising:

a tube having an interior and at least one open end;

at least one end cap affixed at the at least one open end of the tube, the at least one end cap having an interior volume defining a space adjacent to or coextensive with the interior of the tube,

a lighting assembly arranged in the interior of the tube,

a light emitting device (LED) driver for the lighting assembly;

wherein the LED driver is arranged in the interior of the tube,

an antenna, and

a wireless communication circuit for conducting wireless communication, the antenna being provided in the space and the wireless communication circuit being provided in the tube or at least partially provided in the space, and one side of the wireless communication circuit being connected to the driver and the other side thereof being connected to the antenna.

2. The lighting device according to claim 1, wherein the wireless communication circuit is formed on a wireless communication circuit board, and the antenna is connected to the wireless communication circuit wireless communication circuit board.

3. The lighting device according to claim 2, wherein the LED driver and the wireless communication circuit board are arranged side by side and connected in series.

4. The lighting device according to claim 1, wherein the lighting assembly comprises a circuit board and a plurality of LEDs arranged on and at one side of the circuit board.

5. The lighting device according to claim 4, further comprising a heat sink, wherein the heat sink is provided on one side of the circuit board facing away from the LED and the LED driver is provided on one side of the heat sink facing away from the circuit board.

6. The lighting device according to claim 5, wherein the tube comprises an upper housing and a lower housing mounted together and the upper housing or the lower housing of the housing is designed as a part of the heat sink.

7. The lighting device according to claim 1, wherein the end caps are made of plastic.

9. The lighting device according to claim 1, wherein the LED driver is configured to drive the lighting assembly arranged in the interior of the tube.

8. A lighting device, comprising:

a tube and end caps located at two ends of the tube,

a lighting assembly arranged in the tube,

a light emitting device (LED) driver for the lighting assembly;

wherein the LED driver is arranged in the interior of the tube,

an antenna disposed substantially completely within one of said end caps, and

a wireless communication circuit for conducting wireless communication, the wireless communication circuit being provided in the tube or at least partially provided in the end cap, and one side of the wireless communication circuit being connected to the driver and the other side thereof being connected to the antenna

wherein each end cap is integrally affixed to the tube.