Uniformly lit planar field of illumination

Patent metadata

Field	Value
Publication number	US-11149936-B2
Application number	US-202016821792-A
Country	US
Kind code	B2
Filing date	Mar 17, 2020
Priority date	Feb 18, 2020
Publication date	Oct 19, 2021
Grant date	Oct 19, 2021

Abstract

A light emitting embodiment uniformly illuminating a planar field configured to operate in conjunction with other like embodiments in proximity to form a continuous uniformly lit planar pathway and/or field of illumination.

First claim

The invention claimed is:

1. A heatsink light source comprising:
a unitary nonlinear profiled heatsink comprises a plurality of heat dissipating fins and at least two bisecting planar surfaces linearly disposed along a longitudinal axis of the heatsink, each of the bisecting planar surfaces are substantially flat and at least one bisecting planar surface area differs from another bisecting planar surface area;
a plurality of light sources coupled to each of the bisecting planar surfaces;
a unitary lens comprising a plurality of light source dedicated optical lenses disposed over the light sources, and
an arm coupled to the heatsink to provide at least one of vertical and lateral mobility,
the light sources coupled to a first bisecting planar surface of the at least two bisecting planar surfaces are configured to target different contiguously first sub-fields of illumination, the light sources coupled to a second bisecting planar surface of the at least two bisecting planar surfaces are configured to target different contiguously second sub-fields of illumination, wherein the first and the second sub-fields of illumination form a larger contiguous field of illumination that is uniformly lit and pattern controlled; and
a tilt angle between each of the bisecting planar surfaces increases in relation to the larger contiguous field of illumination such that the bisecting planar surface having a highest tilt angle or highest tilt angle and surface area illuminates a farthest sub-field of the field of illumination, and each of the bisecting planar surfaces are nonaligned along the longitudinal axis of the heatsink.

2. The heatsink light source of claim 1 , wherein at least two light sources coupled to a same bisecting planar surface differ from one another by at least one of: input power, a color rendering index (CRI), color temperature, a size and/or count of the light source.

3. The heatsink light source of claim 1 , wherein the arm is detachable and is configured to retain an electronic device.

4. The heatsink light source of claim 1 , wherein at least one of the lenses disposed over the light sources is micro/nano lens.

5. The heatsink light source of claim 1 , wherein the arm is coupled to an electronic device enclosure.

6. The heatsink light source of claim 5 , wherein the arm is detachable and configured to engage reciprocating receptacles.

7. A heatsink light source comprising:
a unitary nonlinear profiled heatsink comprises at least two bisecting planar surfaces linearly disposed along a longitudinal axis of the heatsink, each of the bisecting planar surfaces are substantially flat and at least one bisecting planar surface area differs from another planar surface area;
a plurality of light sources coupled to each of the bisecting planar surfaces;
a unitary lens comprising a plurality of light source dedicated optical lenses;
an arm coupled to the heatsink to provide at least one of vertical and lateral mobility;
an enclosure with a plurality of mechanical and electromechanical receptacles configured to couple to at least one of a heatsink or a heatsink and another electrical device,
wherein each of the plurality of light source dedicated optical lenses is disposed above at least two of the plurality of light sources,
the light sources coupled to a first bisecting planar surface of the at least two bisecting planar surfaces are configured to target different contiguously first sub-fields of illumination, the light sources coupled to a second bisecting planar surface of the at least two bisecting planar surfaces are configured to target different contiguously second sub-fields of illumination, wherein the first and the second sub-fields of illumination form a larger contiguous field of illumination that is uniformly lit and pattern controlled; and
a tilt angle between each of the bisecting planar surfaces increases in relation to the larger contiguous field of illumination such that the bisecting planar surface having a highest tilt angle or highest tilt angle and surface area illuminates a farthest sub-field of the field of illumination, and each of the bisecting planar surfaces are nonaligned along the longitudinal axis of the heatsink.

8. The heatsink light source of claim 7 , wherein the arm, coupled to the heatsink, employs a detachable connector that provides at least one of mechanical connectivity and electrical power connectivity to the heatsink.

9. The heatsink light source of claim 7 , wherein the heatsink light source generates a uniform and controlled illumination pattern without aiming the light source.

10. The heatsink light source of claim 7 , wherein overlapping light contribution from the plurality of light sources disposed on contiguous bisecting planar surfaces, uniformly illuminates the corresponding contiguous sub-fields.

11. The heatsink light source of claim 7 , wherein the unitary lens disposed over at least one of bisecting planar surface comprises a plurality of light source dedicated micro/nano optical lenses.

12. The heatsink light source of claim 7 , wherein at least one light source coupled to the bisecting planar surfaces differs from another light source coupled to a same bisecting planar surface by at least one of: input power, a color rendering index (CRI), color temperature, a size and/or count of the light source.

13. The heatsink light source of claim 7 , wherein the field of illumination size and pattern is configured by a number of light sources coupled to an enclosure, a mounting height of the enclosure, and orientation of the light source dedicated optical lenses coupled to the heatsink.

14. A heatsink light source comprising:
a unitary nonlinear profiled heatsink comprising at least two bisecting planar surfaces linearly disposed along the longitudinal axis of the heatsink, each of the bisecting planar surfaces are substantially flat and at least one bisecting planar surface area differs from another bisecting planar surface area;
a plurality of light sources coupled to each of the bisecting planar surfaces;
a unitary lens comprising a plurality of light source dedicated lenses; and
an arm coupled to the heatsink to provide at least one of vertical and lateral mobility,
wherein a profile of the unitary nonlinear profiled heatsink is configured based on:
a predefined mounting height of the heatsink,
a length of a horizontal path to be illuminated by the light sources,
a predefined level of light,
a tilt angle of the plurality of the bisecting planar surfaces,
a type, a size, color, and a shape of the light sources that illuminate the horizontal sub-fields of illumination,
an amount of power needed to attain the predefined light level, and
the light source dedicated lens optics needed to illuminate a predefined path,

a tilt angle between each of the bisecting planar surface with respect to a vertical plane increases from a first side of the heatsink to a second side of the heatsink, the first side being substantially parallel to the horizontal path to be illuminated, and
each of the bisecting planar surfaces is nonaligned along the longitudinal axis of the heatsink.

15. The heatsink light source of claim 14 , wherein a coupled arm provides at least one of: a vertical and a lateral rotational mobility to the heatsink.

16. The heatsink light source of claim 15 , wherein the arm is detachable and is configured to retain an electronic device.

17. The heatsink light source of claim 14 , wherein the arm is coupled to an enclosure that retains Internet of Things (IoT) devices.

18. The heatsink li

Assignees

• Spiro Daniel S
• Exposure Illumination Arch Inc

Inventors

• Spiro Daniel S

Classifications

• F21Y2115/10

  Light-emitting diodes [LED] · CPC title

• F21V14/02

  by movement of light sources {(in vehicle head lamps F21S41/657)} · CPC title

• F21W2111/00

  Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 · CPC title

• F21V21/28

  adjustable in more than one plane · CPC title

• F21V33/0076

  Safety or security signalisation, e.g. smoke or burglar alarms, earthquake detectors; Self-defence devices · CPC title