Power board and plug-in lighting module

• US 7,665,883 B2
• Filed: 07/14/2006
• Issued: 02/23/2010
• Est. Priority Date: 07/14/2005
• Status: Expired due to Fees

• Current Assignee: Philips Lighting BV (Koninklijke Philips N.V.)
• Original Assignee: Koninklijke Philips Electronics N.V. (Koninklijke Philips N.V.)
• Inventors: Matheson, George E.
• Primary Examiner(s): O'Shea; Sandra L
• Assistant Examiner(s): DZIERZYNSKI, EVAN P
• Application Number:
  US11/485,992
• Publication Number:
  US 20070091620A1
• Time in Patent Office: 1,320 Days
• Field of Search: 362/249, 362/640, 362/652, 362657-659
• US Class Current: 362/652
• CPC Class Codes: F21V 19/001 the light sources being semiconductors devices, e.g. LEDs
• CPC Class Codes: F21V 21/002 making direct electrical contact, e.g. by piercing F21V21/35 takes precedence
• CPC Class Codes: F21V 21/0824 Ground spikes
• CPC Class Codes: F21V 23/06 the elements being coupling devices , e.g. connectors
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: G09F 13/00 Illuminated signs; Luminous advertising G09F9/00, G09F11/00 take precedence; control of displays in general using static means to present variable information G09G
• CPC Class Codes: H01R 2103/00 Two poles
• CPC Class Codes: H01R 24/58 Contacts spaced along longitudinal axis of engagement
• CPC Class Codes: H01R 4/2406 having needles or pins
• CPC Class Codes: H05K 1/0298 Multilayer circuits
• CPC Class Codes: H05K 2201/10106 Light emitting diode [LED]
• CPC Class Codes: H05K 2201/1059 Connections made by press-fit insertion
• CPC Class Codes: H05K 2203/1189 Pressing leads, bumps or a die through an insulating layer
• CPC Class Codes: H05K 3/308 Adaptations of leads connectors to printed circuits H01R12/00
• CPC Class Codes: H05K 3/326 the printed circuit having integral resilient or deformable parts, e.g. tabs or parts of flexible circuits H05K3/365 takes precedence

Abstract

The present invention provides a modular panel lighting apparatus comprising a multi layer power board and one or more lighting modules. The power board is a compound structure of one or more electrically conductive layers which are separated by one or more electrically insulating layers. The power board is configured to receive one or more lighting modules and can provide electrical, mechanical and thermal function adequate to meet a desired functionality of the lighting apparatus. A lighting module comprises one or more light-emitting elements operatively attached to a connector element that has one or more electrical contact portions. By inserting the connector element into the power board, the lighting module can be mounted anywhere on the face of the power board. When appropriately inserted into the power board, the one or more electrical contact portions of the connector element can establish selective electrical contact with the conductive layers of the power board and can secure the lighting module in place.

Claims

1. A lighting apparatus comprising:

a) a lighting module including one or more connector elements, each of the one or more connector elements having two or more electrical contact portions, the lighting module including one or more light-emitting elements electrically and operatively connected to the two or more electrical contact portions; and

b) a multi layer power board having a sandwiched compound structure, said multi layer power board including two or more electrically conductive layers separated by one or more electrically insulative layer, said multi-layer power board including an electrically insulative layer on both a top and a bottom thereof, said multi-layer board adapted for providing electrical power to the lighting module;

whereby upon penetration of said one or more connector elements into the multi-layer power board, each of the two or more electrical contact portions of each of the one or more connector elements form an electrical connection with one of the two or more electrically conductive layers;

wherein the one or more connector elements are configured as a heat pipe or a thermosyphon, said one or more light-emitting elements being thermally coupled to the one or more connector elements.

2. The lighting apparatus according to claim 1, wherein the one or more of the electrically conductive layers are formed as conductive stripes, wherein said conductive stripes are laterally electrically insulated from one another.

3. The lighting apparatus according to claim 1, wherein the lighting module further comprises a housing within which the one or more light-emitting elements are positioned.

4. The lighting apparatus according to claim 3, wherein the housing comprises one or more optical elements configured to manipulate light emitted by the one or more light-emitting elements.

5. The lighting apparatus according to claim 4, wherein the one or more optical elements are selected from the group comprising reflective element, refractive element, diffractive element and diffusive element.

6. The lighting apparatus according to claim 1, wherein the top of the power board comprises an optical epilayer configured to manipulate light emitted by the one or more light-emitting elements.

7. The lighting apparatus according to claim 1, wherein the one or more connector elements are configured to pierce and form a receiving hole in the power board.

8. The lighting apparatus according to claim 1, wherein the one or more connector elements are configured to be inserted into one or more preformed holes within the power board.

9. The lighting apparatus according to claim 8, wherein the one or more connector elements and the one or more preformed holes are compatibly threaded or keyed, thereby providing mechanical interconnection therebetween.

10. The lighting apparatus according to claim 1, wherein the heat pipe or thermosyphon includes a substance that undergoes a multi-phase process to dissipate heat from the lighting module.

11. A lighting apparatus comprising:

a) a lighting module including two or more connector elements, each of the two or more connector elements having one or more electrical contact portions, the lighting module including one or more light-emitting elements electrically and operatively connected to the two or more connector elements; and

b) a multi layer power board having a sandwiched compound structure, said multi layer power board including two or more electrically conductive layers separated by one or more electrically insulative layer, said multi-layer power board including an electrically insulative layer on both a top and a bottom thereof, said multi-layer board adapted for providing electrical power to the lighting module;

whereby upon penetration of said two or more connector elements into the multi-layer power board, the one or more electrical contact portions of each of the two or more connector elements form an electrical connection with one of the two or more electrically conductive layers;

wherein at least one of the two or more connector elements is configured as a heat pipe or a thermosyphon, said one or more light-emitting elements being thermally coupled to the at least one of the two or more connector elements.

12. The lighting apparatus according to claim 11, wherein the one or more of the electrically conductive layers are formed as conductive stripes, wherein said conductive stripes are laterally electrically insulated from one another.

13. The lighting apparatus according to claim 11, wherein the lighting module further comprises a housing within which the one or more light-emitting elements are positioned.

14. The lighting apparatus according to claim 13, wherein the housing comprises one or more optical elements configured to manipulate light emitted by the one or more light-emitting elements.

15. The lighting apparatus according to claim 14, wherein the one or more optical elements are selected from the group comprising reflective element, refractive element, diffractive element and diffusive element.

16. The lighting apparatus according to claim 11, wherein the two or more connector elements are configured to pierce and form a receiving hole in the power board.

17. The lighting apparatus according to claim 11, wherein the two or more connector elements are configured to be inserted into preformed holes within the power board.

18. The lighting apparatus according to claim 17, wherein one of the two or more connector elements and the preformed holes are compatibly keyed, thereby providing mechanical interconnection therebetween.

19. The lighting apparatus according to claim 11, wherein the heat pipe or thermosyphon includes a substance that undergoes a multi-phase process to dissipate heat from the lighting module.