LIGHTING ASSEMBLY HAVING A WAVEFORM REFLECTOR

• US 20130335962A1
• Filed: 03/15/2013
• Published: 12/19/2013
• Est. Priority Date: 06/13/2012
• Status: Abandoned Application

• Current Assignee: Kenmos Technology Co., Ltd., Pixi Lighting, Inc.
• Original Assignee: Kenmos Technology Co., Ltd., Pixi Lighting, Inc.
• Inventors: WU, YI-CHEN, HUNG, CHIEN-FENG, KAO, CHIH-CHIEH, ARAKI, JOHN, CHEN, I-CHUN
• Application Number:
  US13/841,725
• Publication Number:
  US 20130335962A1
• Time in Patent Office: Days
• US Class Current: 362/235
• CPC Class Codes: F21V 23/007 enclosed in a casing
• CPC Class Codes: F21V 23/023 Power supplies in a casing F21V23/003 takes precedence
• CPC Class Codes: F21V 23/04 the elements being switches safety devices F21V25/00
• CPC Class Codes: F21V 3/049 Patterns or structured surfaces for diffusing light, e.g. frosted surfaces
• CPC Class Codes: F21V 5/004 using microlenses
• CPC Class Codes: F21V 7/00 Reflectors for light sources characterised by cooling arrangements F21V29/505
• CPC Class Codes: F21V 7/0008 providing for indirect lighting
• CPC Class Codes: F21V 7/09 with a combination of different curvatures
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

The present disclosure relates to a light emitting diode (LED) light fixture including a frame, a light diffuser coupled to the frame, at least one LED array disposed adjacent at least one side wall of the frame and a waveform reflector panel having at least one two troughs and one crest disposed between the two troughs. The at least one LED array is disposed at an angle relative to the side wall side wall of the frame and the waveform reflector is positioned to receive and light generated by the LED array and to reflect the light through the light diffuser.

Claims

1. A lamp illuminant structure having a lamp box provided with a reflection panel in the chamber of the lamp box;

wherein the reflection panel is a wavy reflection plane including two troughs and one crest located between two troughs, and wherein two luminous bodies are respectively arranged adjacent to an internal wall of two sides of the chamber and respectively adjacent to the two troughs of the reflection panel;

each of the two luminous bodies forming an angle from 0°

to 90°

with the chamber internal wall arranged as a perpendicular plane with the lamp box.

2. A lamp illuminant structure according to claim 1, wherein the two luminous bodies form an angle from 30°

to 60°

with the chamber internal wall arranged as a perpendicular plane with the lamp box.

3. A lamp illuminant structure according to claim 1, wherein a height difference between the luminous bodies and the crest of the reflection panel is from 0 to 10 mm.

4. A lamp illuminant structure according to claim 3, wherein a height difference between the luminous body and the crest of the reflection panel is 0 mm.

5. A lamp illuminant structure according to claim 1, wherein the chamber internal wall of the box is integrated with a slope for the arrangement of each of the luminous bodies thereon.

6. A lamp illuminant structure according to claim 5, wherein the slope forms an angle from 30°

to 60°

with the chamber internal wall arranged as a perpendicular plane with the lamp box.

7. A lamp illuminant structure according to claim 1, wherein the box is further provided with an optically-transmissive panel corresponding to a reflection plane of the reflection panel.

8. A lamp illuminant structure according to claim 7, wherein the optically-transmissive panel comprises a diffusing panel.

9. A lamp illuminant structure according to claim 7, wherein the optically-transmissive panel comprises a micro-lens diffuser panel.

10. A light fixture comprising:

a frame, the frame including a plurality of side walls;

an optically-transmissive panel coupled to the frame;

a light emitting diode (LED) array disposed adjacent at least one of the side walls; and

a waveform reflector plate coupled to the frame and positioned to receive light generated by the LED array and to reflect the light through the optically-transmissive panel.

11. The light fixture of claim 10, wherein the waveform reflector plate is configured to include a pair of troughs and a crest disposed between the troughs.

12. The light fixture of claim 11, wherein the crest is positioned at a distance of about 0 centimeters to about 5 centimeters from the optically-transmissive panel.

13. The light fixture of claim 11, wherein the crest is positioned at a distance of about 3 centimeters to about 10 centimeters from the optically-transmissive panel.

14. The light fixture of claim 10, wherein the frame includes a waveform cover coupled to the plurality of side walls.

15. The light fixture of claim 10, wherein the waveform reflector plate is coupled to a rigid supporting structure.

16. The light fixture of claim 10, wherein the optically-transmissive panel comprises a diffusing panel.

17. The light fixture of claim 10, wherein the optically-transmissive panel comprises a micro-lens diffuser plate.

18. The light fixture of claim 17, wherein the micro-lens diffuser plate includes a plurality of micro-lenses having a pitch of about 10 microns to about 100 microns.

19. The light fixture of claim 11, wherein the crest is positioned at a height of about 1 centimeter to about 10 centimeters relative to the troughs.

20. The light fixture of claim 11, wherein the crest is laterally spaced about 120 millimeters to about 160 millimeters from the troughs.

21. The light fixture of claim 10, wherein the waveform reflector plate includes a non-specular reflection surface.

22. The light fixture of claim 10, comprising a pair of LED arrays disposed adjacent opposite side walls of the frame.

23. The light fixture of claim 22, wherein each of the side walls of the frame is integrated with an inner support wall for the arrangement of the pair of LED arrays.

24. The light fixture of claim 10, wherein the frame has a length and a width at the plane perpendicular to the sides walls, and wherein the frame and the optically-transmissive panel cooperate to define a light-emission area of about 90% of the length by about 90% of the width.

25. The light fixture of claim 10, wherein the light fixture includes:

a first configuration of LEDs; and

,

a second configuration of LEDs.

26. The light fixture of claim 25, wherein the power circuitry is configured to power the first configuration of LEDs for a first time period and to power the second configuration of LEDs for a second time period equal to the first time period.

27. The light fixture of claim 26, wherein the power circuitry is configured to alternatively power the first configuration of LEDs and the second configuration of LEDs over a cyclical time period including the first time period and the second time period.

28. The light fixture of claim 10, further comprising:

power circuitry disposed behind the waveform reflector plate, the power circuitry being configured to electrically couple the light emitting diode (LED) array to an external power supply.

29. The light fixture of claim 11, further comprising:

power circuitry disposed behind the crest of the waveform reflector plate, the power circuitry being configured to electrically couple the light emitting diode (LED) array to an external power supply.

30. The light fixture of claim 10, wherein the optically-transmissive panel is disposed in a plane perpendicular to the side walls.

31. The light fixture of claim 10, wherein the LED array is disposed at an angle of about 0°

to 90°

relative to the plane of the optically-transmissive panel.

32. The light fixture of claim 10, wherein the waveform reflector plate includes a non-specular reflection surface;

and, wherein a portion of the waveform reflector plate adjacent the light emitting diode (LED) array includes a specular reflection surface.