LED LIGHTING MODULE AND LIGHTING DEVICE USING THE MODULE

• US 20120146512A1
• Filed: 12/28/2010
• Published: 06/14/2012
• Est. Priority Date: 12/14/2010
• Status: Active Grant

• Current Assignee: GigaTera Inc.
• Original Assignee: KMW Incorporated
• Inventors: KIM, DUK-YONG
• Granted Patent: US 8,998,441 B2
• Time in Patent Office: Days
• US Class Current: 315/113
• CPC Class Codes: F21K 9/27 Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
• CPC Class Codes: F21V 29/70 characterised by passive heat-dissipating elements, e.g. heat-sinks
• CPC Class Codes: F21V 29/76 with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
• CPC Class Codes: F21V 29/763 the planes containing the fins or blades having the direction of the light emitting axis
• CPC Class Codes: F21V 7/0025 Combination of two or more reflectors for a single light source array of reflectors for a cluster of light sources F21V7/0083
• CPC Class Codes: F21V 7/005 with an elongated shape to cooperate with linear light sources
• CPC Class Codes: F21W 2131/103 of streets or roads
• CPC Class Codes: F21Y 2103/10 comprising a linear array of point-like light-generating elements
• CPC Class Codes: F21Y 2107/20 on convex supports or substrates, e.g. on the outer surface of spheres
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

Provided are an LED light-emitting module and an illumination apparatus using the same. The LED light-emitting module includes a body frame having a light emitting opening in a direction inclined with respect to a ground surface and a coupling surface to which an LED package is coupled, the body frame including reflective plates extending from opposite sides of the coupling surface to define the light emitting opening, a plurality of heat radiating fins placed on the entire surface of the body frame except for the light emitting opening, and a plurality of LED packages installed on the coupling surface of the body frame such that light radiation angles of the LED packages are adjusted according to an angle by which the coupling surface is bent.

Claims

1. A light emitting diode (LED) light-emitting module comprising:

a body frame having a light emitting opening directed in a direction that is inclined with respect to a ground surface and a coupling surface;

a plurality of LED packages installed on and coupled to the coupling surface of the body frame, the body frame including reflective plates extending from opposite sides of the coupling surface and defining the light emitting opening; and

a plurality of heat radiating fins covering all of the body frame, except for the light emitting opening, wherein light radiation angles of the LED packages are adjusted according to an angle by which the coupling surface is bent.

2. The LED light-emitting module as claimed in claim 1, including metal printed circuit boards to which the LED packages are mounted and which are fixed to the coupling surface.

3. The LED light-emitting module as claimed in claim 1, including power terminals connected to wire portions inserted into the coupling surface for supplying power to the LED packages.

4. The LED light-emitting module as claimed in claim 3, wherein each wire portion includes a single core wire through which power is supplied, and an insulating coating a insulating the single core wire, wherein the insulating coating is partially removed at connecting portions of the power terminals such that the single core wire is electrically connected to the power terminals.

5. The LED light-emitting module as claimed in claim 4, wherein the wire portions are provided in pairs connected to respective pairs of the power terminals of the LED package.

6. The LED light-emitting module as claimed in claim 4, wherein a first wire portion is connected a first of first and second power terminals provided in the LED package and the second power terminal is connected to the body frame.

7. The LED light-emitting module as claimed in claim 1, wherein the coupling surface has at least one bent portion and is divided into inclined surfaces with respect to the bent portion.

8. The LED light-emitting module as claimed in claim 7, wherein the coupling surface includes a plurality of bent portions so that the coupling surface includes a plurality of inclined surfaces.

9. The LED light-emitting module as claimed in claim 7, wherein the coupling surface is located in a coupling portion detachably mounted to the body frame.

10. The LED light-emitting module as claimed in claim 9, wherein the plurality of bent portions are located in the coupling portion such that the coupling surface includes a plurality of inclined surfaces.

11. The LED light-emitting module as claimed in claim 7, wherein each of the heat radiating fins has a semi-circular plate shape.

12. The LED light-emitting module as claimed in claim 7, further comprising at least one lens attached to upper portions of the LED packages.

13. The LED light-emitting module as claimed in claim 12, wherein the at least one lens is a bar-shaped lens attached to the upper portions of the LED packages or a plurality of lenses individually attached to the upper portions of the LED packages.

14. The LED light-emitting module as claimed in claim 1, further comprising a heat radiating plate mutually connecting outer surfaces of the heat radiating fins.

15. An illumination apparatus comprising:

a plurality of LED light-emitting modules as claimed in claim 1; and

support frames coupled to opposite ends of the LED light-emitting modules fixing and supporting the LED light-emitting modules in parallel to each other.

16. The illumination apparatus as claimed in claim 15, wherein a pair of the LED light-emitting modules define a cylindrical shape.

17. The illumination apparatus as claimed in claim 15, wherein the opposite ends of the LED light-emitting modules are fixed to the support frames and are spaced apart from each other.

18. The illumination apparatus as claimed in claim 15, wherein the coupling surface of each of the LED light-emitting modules has at least one bent portion and is divided into inclined surfaces with respect to the bent portion.

19. The illumination apparatus as claimed in claim 18, including a plurality of bent portions in the coupling surface so that the coupling surface includes a plurality of inclined surfaces.

20. The illumination apparatus as claimed in claim 18, wherein the coupling surface is located in a coupling portion detachably mounted to the body frame.

21. The illumination apparatus as claimed in claim 20, including a plurality of bent portions in the coupling portion such that the coupling surface includes a plurality of inclined surfaces.

22. The illumination apparatus as claimed in claim 18, wherein each of heat radiating fins has a semi-circular plate shape.

23. The illumination apparatus as claimed in claim 18, wherein each LED light-emitting module further comprises at least one lens attached to upper portions of the LED packages.

24. The illumination apparatus as claimed in claim 23, wherein the at least one lens is a bar-shaped lens attached to the upper portions of the LED packages or a plurality of lenses individually attached to the upper portions of the LED packages.

25. The illumination apparatus as claimed in any one of claims 15 to 17, wherein each LED light-emitting module further comprises a heat radiating plate mutually connecting outer surfaces of heat radiating fins.

26. The illumination apparatus as claimed in claim 15, comprising a control unit including a power supply unit supplying power to the LED light-emitting modules, a lighting controller controlling the power supplied to the LED light-emitting modules, an access point for a wireless Internet connection, and a camera located at one side of the support frames.

27. The illumination apparatus as claimed in claim 26, wherein the control unit further includes a mobile communication antenna, a communication module for communicating with the outside, a microphone collecting peripheral sounds and transmitting the peripheral sounds collected to the outside through the communication module, and a speaker outputting a sound received through the communication module.