Adaptive LED Cove Lighting System

• US 20170292664A1
• Filed: 11/08/2016
• Published: 10/12/2017
• Est. Priority Date: 04/09/2016
• Status: Active Grant

• Current Assignee: Tempo Industries, LLC
• Original Assignee: Tempo Industries, LLC
• Inventors: Pearson, Dennis, Bremser, Michael D., Johnson, James, Lueken, Thomas, Toms, Shaun
• Granted Patent: US 9,841,153 B2
• Time in Patent Office: Days
• CPC Class Codes: F21S 2/00 Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
• CPC Class Codes: F21S 8/033 the surface being a wall or like vertical structure, e.g. building facade
• CPC Class Codes: F21V 21/025 Elongated bases having a U-shaped cross section
• CPC Class Codes: F21V 21/088 Clips; Clamps
• CPC Class Codes: F21V 23/001 the elements being electrical wires or cables
• CPC Class Codes: F21V 23/002 Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
• CPC Class Codes: F21V 29/508 of electrical circuits
• CPC Class Codes: F21V 29/70 characterised by passive heat-dissipating elements, e.g. heat-sinks
• CPC Class Codes: F21V 3/02 characterised by the shape
• CPC Class Codes: F21V 5/04 of lens shape
• CPC Class Codes: F21Y 2103/10 comprising a linear array of point-like light-generating elements
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H02G 3/0431 Wall trunking
• CPC Class Codes: H02G 3/38 the cables or lines being installed in preestablished conduits or ducts

Abstract

An LED cove light system having a wall piece mounted to a back surface of a cove, the wall piece having a top edge which is at the same height as a top surface of a front wall of the cove. A light fixture component is removably attachable at an angle to the wall piece and carries one or more LEDs positioned to project light from the cove out into an adjacent space of a room.

Claims

1. An LED cove light system comprising:

a wall piece mounted to a back surface of a vertical cove wall, the wall piece having a top edge which is at the same height as a top surface of a front wall of the cove;

a light fixture component removably attachable to the wall piece and carrying one or more LEDs positioned to project light at a selected angle from the cove toward a ceiling of a room when the wall piece is mounted to a said vertical back surface and the light fixture component is attached to the wall piece; and

wherein the one or more LEDs are further positioned so as to not be visible on a line of sight perpendicular to the vertical cove wall from a point looking toward the front cove wall.

2. The LED cove light system of claim 1 wherein the one or more LEDs comprise a plurality of LEDs mounted in a row adjacent a top edge of a circuit board of said light fixture component but beneath the top surface of the front wall of said cove

3. The LED cove light system of claim 2 wherein the light fixture component and wall piece are configured to enable removable attachment to one another without the use of tools.

4. The LED cove light system of claim 1 wherein the wall piece has a horizontal groove formed in a front surface thereof and a hook disposed beneath the horizontal groove and wherein the light fixture component has a lip and a hook located beneath the lip, the hook and lip of the light fixture component each being positioned, shaped and dimensioned such that the lip of the light fixture component is insertable into the horizontal groove of the wall piece and the hook of the light fixture component can thereafter come into engagement with the hook of the wall piece to fix the light fixture component in a selected position with respect to the wall piece

5. The LED cove light system of claim 4 wherein the light fixture component further comprises a circuit board mounting one or more LEDs and a lens component mounted over the circuit board

6. The LED light system of claim 5 wherein the lens component comprises a radiused segment located over the one or more LEDs.

7. The LED cove light system of claim 5 wherein the one or more LEDs comprise a plurality of LEDs mounted in a row adjacent a top edge of the circuit board

8. The LED cove light system of claim 7 wherein the row of LEDs is set back from the top edge of the circuit board by a distance in the range of 0.030 to 0.060 inches.

9. The LED cove light system of claim 5 wherein the LED circuit board comprises a planar LED mounting surface disposed at an angle of 20 degrees to the vertical

10. The LED cove light system of claim 1 wherein the selected angle is 20 degrees.

36. The LED cove light system of claim 1 wherein said light fixture component further comprises a lens and a reflector, the lens being disposed over the plurality of LEDs and the reflector being positioned within the lens and beneath the plurality of LEDs so as to redirect light emanating from the plurality of LEDs out through the lens.

37. The LED light system of claim 36 wherein the lens comprises an arcuate portion positioned over the LEDs and a flat portion extending below the arcuate portion, the arcuate portion having a constant radius.

41. The LED light system of claim 36 wherein the lens comprises an arcuate portion positioned over the LEDs and a flat portion extending below the arcuate portion, the arcuate portion having a constant radius.

11. A method of illuminating a surface comprising:

constructing a wall piece and configuring the wall piece to be attachable to a wall surface;

configuring a light fixture component and the wall piece to be removably attachable to one another and positioning a plurality of LEDs in a row in the light fixture component below a top edge of said light fixture component and at an angle selected to project light from the LEDs into an adjacent space;

attaching the wall piece to a vertical cove wall and behind a front cove wall at a position selected such that, when the light fixture component is attached to the wall piece, the LEDs of the light fixture component are not visible on a line of sight perpendicular to the vertical cove wall from a point looking toward the front cove wall, the LEDs are positioned to illuminate a surface above the vertical cove wall and front cove wall, and each of the LEDs is spaced at the same selected distance from the surface to be illuminated by light emanating from the LEDs; and

attaching the light fixture component to the wall piece such that the wall piece and the light fixture component comprise a light fixture installed in the cove comprising said vertical cove wall and said front cove wall.

12. The method of claim 11 further comprising installing an optic on the light fixture to shape the output light beam.

13. The method of claim 11 further comprising attaching the wall piece to a predictable structural surface.

38. The method of claim 11 comprising further configuring said light fixture component to have a lens and a reflector with the lens being disposed over the plurality of LEDs and the reflector being positioned within the lens so as to redirect light emanating from the plurality of LEDs out through the lens.

39. The method of claim 38 further comprising shaping the lens to have an arcuate portion positioned to lie over the LEDs and a flat portion extending below the arcuate portion and such that the arcuate portion has a constant radius.

14. (canceled)

15. A method of illuminating a first vertical wall positioned opposite a second vertical wall comprising:

constructing a wall piece and configuring the wall piece to be attachable to a surface;

configuring a light fixture component and the wall piece to be removably attachable to one another and positioning a plurality of LEDs in a row in the light fixture component below a top edge of said light fixture component and at an angle selected to project light from the LEDs into an adjacent space;

attaching the wall piece to a horizontal surface in front of the second vertical wall in at a position selected such that, when the light fixture component is attached to the wall piece, the LEDs are positioned to illuminate the first vertical wall and each of the LEDs is spaced at the same selected distance from the first vertical wall; and

attaching the light fixture component to the wall piece.

16. The method of claim 15 wherein the horizontal surface is a horizontal floor surface.

17. The method of claim 15 wherein the horizontal surface is a horizontal ceiling surface.

18. A method of illuminating a surface comprising:

constructing a wall piece and configuring the wall piece to be attachable to a surface;

configuring a light fixture component and the wall piece to be removably attachable to one another and positioning a plurality of LEDs in a row in the light fixture component below a top edge of said light fixture component and at an angle selected to project light from the LEDs into an adjacent space;

attaching the wall piece to a vertical cove wall and behind a front cove wall at a position selected such that, when the light fixture component is attached to the wall piece, the LEDs of the light fixture component are not visible on a line of sight perpendicular to the vertical cove wall from a point looking toward the front cove wall, the LEDs are positioned to illuminate a surface above the vertical cove wall and front cove wall, and each of the LEDs is spaced at the same selected distance from the surface to be illuminated by light emanating from the LEDs;

attaching the light fixture component to the wall piece such that the wall piece and the light fixture component comprise a light fixture installed in the cove comprising said vertical cove wall and said front cove wall; and

employing the light fixture to deliver light to the ceiling surface with an efficacy and intensity selected to illuminate the space beneath the ceiling.

19. The method of claim 18 where the illumination provided to the room is sufficient to illuminate the room without the use of any other ceiling mounted light fixture, including but not limited to downlight fixtures, including but not limited to downlight cans.

20. The method of claim 18 wherein the efficacy is 85% or greater.

21. A method comprising:

constructing an LED light fixture to have a plurality of LEDs positioned to illuminate a ceiling surface and mounting the LED light fixture in a cove adjacent the ceiling surface; and

enabling the LED light fixture to provide illumination of the ceiling surface with an efficacy and intensity selected to illuminate a room located beneath the adjacent ceiling;

22. The method of claim 21 wherein the step of constructing an LED light fixture comprises attaching a plurality of LEDs in a row on a printed circuit board;

and mounting the printed circuit board so as to direct light upon the ceiling surface when the LED light fixture is mounted in the cove.

33. The method of claim 21 further comprising applying a finish to the ceiling having a light reflectance value greater than 70.

34. The method of claim 22 further comprising applying a finish to the ceiling have a light reflectance value greater than 70.

40. The method of claim 21 comprising further constructing said LED light fixture to have a lens and a reflector with the lens being disposed over the plurality of LEDs and the reflector being positioned within the lens so as to redirect light emanating from the plurality of LEDs out through the lens.

23. A method comprising:

positioning a plurality of LEDs in a row in a cove such that the light generated by the LEDs is directed to illuminate a ceiling surface adjacent the cove; and

controlling the light generated by the LEDs so as illuminate the ceiling surface with an efficacy and intensity selected to illuminate a room beneath the ceiling.

35. The method of claim 23 further comprising applying a finish to the ceiling having a light reflectance value greater than 70.

24. An LED cove light system comprising:

a cove located beneath a ceiling of a room, the cove having a rear vertical wall spaced apart from a front wall;

a wall piece mounted to the rear vertical wall of the cove, the wall piece having a top edge which is at the same height as a top surface of a front wall of the cove;

a light fixture component which is removably attachable to the wall piece and which carries one or more LEDs positioned to project light at a selected angle from the cove toward the ceiling of the room when the wall piece is mounted to the rear vertical wall of the cove and the light fixture component is attached to the wall piece; and

wherein the one or more LEDs are further positioned so as to not be visible on a line of sight perpendicular to the rear vertical wall of the cove from a point looking toward the front wall of the cove.

25. An LED cove light system comprising:

a cove located beneath a ceiling of a room, the cove having a rear portion spaced apart from a front wall;

a wall piece mounted to the rear portion of the cove;

a light fixture component comprising (a) a circuit board mounting a plurality of LEDs, (b) a lens component positioned over the LEDs, and (c) a reflector positioned within the lens component, wherein the light fixture component is removably attachable to the wall piece;

wherein the circuit board is positioned at an angle selected to project light from the cove toward the ceiling of the room when the wall piece is mounted to the rear portion of the cove and the light fixture component is attached to the wall piece;

wherein the reflector is positioned to redirect light emanating from the plurality of LEDs out through the lens component.

26. The LED cove light system of claim 25 wherein the plurality of LEDs and the reflector are selected to deliver light to the ceiling sufficient to achieve a single luminous ceiling plane and to provide the primary lighting source to the space beneath the ceiling plane.

27. The LED cove light system of claim 26 wherein the space is a room.

28. The LED cove light system of claim 25 wherein the plurality of LEDs and the reflector are selected and positioned such that illumination is provided to the space without the use of any other lighting fixture or fixtures, including, but not limited to downlight fixtures, including but not limited to downlight cans.

42. The LED cove light system of claim 25 wherein the reflector is positioned beneath the plurality of LEDs.

29. An LED cove light system comprising:

a cove located beneath a ceiling of a room, the cove having a rear portion spaced apart from a front wall;

a wall piece mounted to the rear portion of the cove;

a light fixture component comprising a circuit board mounting a plurality of LEDs;

wherein the plurality of LEDs are positioned so as to project light out of the cove toward the ceiling of the room with an efficacy of 85% or greater when the wall piece is mounted to the rear portion of the cove and the light fixture component is attached to the wall piece; and

wherein said light fixture component further comprises a lens and a reflector, the lens being disposed over the plurality of LEDs and the reflector being positioned within the lens so as to redirect light emanating from the plurality of LEDs out through the lens component.

30. The LED light system of claim 29 wherein the lens comprises an arcuate portion positioned over the LEDs and a flat portion extending below the arcuate portion.

43. The LED cove light system of claim 29 wherein the reflector is positioned beneath the plurality of LEDs.

31. An LED cove light fixture comprising:

a wall piece adapted to be mounted to a rear portion of a cove;

a light fixture component comprising a circuit board mounting a plurality of LEDs;

wherein the plurality of LEDs are positioned so as to project light out of the cove toward a ceiling of a room with an efficacy of 85% or greater when the wall piece is mounted to the rear portion of the cove and the light fixture component is attached to the wall piece; and

wherein said light fixture component further comprises a lens and a reflector, the lens being disposed over the plurality of LEDs and the reflector being positioned within the lens so as to redirect light emanating from the plurality of LEDs out through the lens.

32. The LED light system of claim 31 wherein the lens comprises an arcuate portion positioned over the LEDs and a flat portion extending below the arcuate portion, the arcuate portion having a constant radius.

44. The LED cove light fixture of claim 31 wherein the reflector is positioned beneath the plurality of LEDs.

45. A cove lighting system comprising:

a cove located beneath a ceiling of a room, the cove having a rear portion spaced apart from a front wall;

a wall piece mounted to the rear-portion of the cove;

a light fixture component comprising (a) a circuit board mounting a plurality of LEDs, (b) a lens component positioned over the LEDs, and (c) a reflector positioned within the lens component so as to direct light emanating from the LEDs out through the lens component;

wherein the light fixture component is removably attachable to the wall piece;

wherein the circuit board is positioned at an angle selected to project light from the cove toward the ceiling of the room when the wall piece is mounted to the rear vertical wall of the cove and the light fixture component is attached to the wall piece; and

wherein the plurality of LEDs and the reflector are selected and positioned to deliver light to the ceiling sufficient to achieve a single luminous ceiling plane and to provide the sole lighting source to the space beneath the ceiling plane.