LED light assemblies

• US 9,464,777 B2
• Filed: 03/18/2014
• Issued: 10/11/2016
• Est. Priority Date: 03/15/2013
• Status: Active Grant

• Current Assignee: Red Hawk LLC (Arrowhead Engineered Products, Inc.)
• Original Assignee: Red Hawk LLC (Arrowhead Engineered Products, Inc.)
• Inventors: Boyce, E. Gillet
• Primary Examiner(s): Chavez, Renee
• Assistant Examiner(s): Eide, Eric T
• Application Number:
  US14/218,624
• Publication Number:
  US 20140268851A1
• Time in Patent Office: 938 Days
• Field of Search: 362/294, 362/506
• US Class Current: 1/1
• CPC Class Codes: B60Q 1/34 for indicating change of drive direction B60Q1/22 takes precedence
• CPC Class Codes: F21S 41/153 arranged in a matrix
• CPC Class Codes: F21S 41/321 the reflector being a surface of revolution or a planar surface, e.g. truncated
• CPC Class Codes: F21S 41/337 the reflector having a structured surface, e.g. with facets or corrugations
• CPC Class Codes: F21S 43/14 Light emitting diodes [LED]
• CPC Class Codes: F21S 43/31 Optical layout thereof
• CPC Class Codes: F21S 45/48 with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

Embodiments of the invention include head and tail lights with and without heat sinks and kits made therefrom for golf carts.

Claims

1. A head light assembly comprising:

a housing;

a headlight component having a plurality of rows of a plurality of LED lights fixedly installed in the housing with each LED light being positioned within a reflector;

a heat sink fixedly connected to a back of the light component and thermally connected to each LED light in the plurality of rows of the plurality of LED lights, the heat sink having a substantially flat base with a substantially rectangular shape and rounded corners, a plurality of fins extending perpendicularly from the substantially flat base and forming a generally symmetrical pattern having a central rectangular portion located around a center of the flat base, two sets of three spaced-apart and longitudinally aligned concave shaped fins on each side of and extending away from the central rectangular portion located around the center of the flat base, and a pair of substantially “

V”

-shaped fins opposite each other on opposite ends of the base and the pair of substantially “

V”

-shaped fins are substantially aligned with a center longitudinal axis of the heat sink;

a lens sealingly covering the light component; and

each LED light in the plurality of rows of the plurality of LED lights being electrically connected to a first wire to receive power.

2. The head light assembly of claim 1, wherein the housing further includes a turn signal light component comprising:

a turn signal light housing;

at least one LED light fixedly installed in the turn signal light component and being electrically connected to a second wire to receive power to turn the at least one LED light on and off; and

a turn signal lens sealingly covering the at least one LED light.

3. The head light assembly of claim 1, wherein each reflector is a smooth reflector.

4. The head light assembly of claim 1, wherein each reflector is a multifaceted reflector.

5. The head light assembly of claim 2, wherein the turn signal light component at least one LED light is positioned within a reflector.

6. The head light assembly of claim 1, wherein each set of the three spaced-apart and longitudinally aligned concave shaped fins comprises an inside fin, a middle fin and an outer fin.

7. The head light assembly of claim 6, wherein the heat sink further comprises a central opening formed in substantially a center of the central rectangular portion, and four fastener openings formed in a substantially rectangular pattern centered around the central opening and between the inside fin and the middle fin.

8. A head light assembly comprising:

a housing;

a headlight component including a light component with a plurality of rows of a plurality of LED lights fixedly installed in the housing with each LED light being positioned within a reflector, each LED light in the plurality of rows of the plurality of LED lights being electrically connected to wires to receive power;

a first heat sink fixedly connected to a back of the light component and thermally connected to each LED light in the plurality of rows of the plurality of LED lights, the heat sink having a substantially flat base with a substantially rectangular shape and rounded corners, a plurality of fins extending perpendicularly from the substantially flat base and forming a generally symmetrical pattern having a central rectangular portion located around a center of the flat base, two sets of three spaced-apart and longitudinally aligned concave shaped fins on each side of and extending away from the central rectangular portion located around the center of the flat base, and a pair of substantially “

V”

-shaped fins opposite each other on opposite ends of the base and the pair of substantially “

V”

-shaped fins are substantially aligned with a center longitudinal axis of the heat sink;

a turn signal component including seven LED lights;

a second heat sink thermally connected to the seven LED lights in the turn signal component; and

a lens sealingly covering both the headlight component and the turn signal component.

9. The head light kit of claim 8, wherein the light component includes two rows of five LED lights and reflectors.

10. The head light kit of claim 9, wherein the reflectors are smooth.

11. The head light kit of claim 8, wherein the turn signal component includes six LED lights and reflectors arranged around a single central LED light and reflector.

12. A head light assembly comprising:

a housing;

a headlight component including a light component with a plurality of LED lights fixedly installed in the housing with each LED light being positioned within a reflector, each LED light in the plurality of LED lights being electrically connected to a first wire to receive power;

a first heat sink fixedly connected to a back of the light component and thermally connected to each LED light in the plurality of LED lights also in the housing, the heat sink having a substantially flat base with a substantially rectangular shape and rounded corners, a plurality of fins extending perpendicularly from the substantially flat base and forming a generally symmetrical pattern having a central rectangular portion located around a center of the flat base, two sets of three spaced-apart and longitudinally aligned concave shaped fins on each side of and extending away from the central rectangular portion located around the center of the flat base, and a pair of substantially “

V”

-shaped fins opposite each other on opposite ends of the base and the pair of substantially “

V”

-shaped fins are substantially aligned with a center longitudinal axis of the heat sink;

a clear headlight lens sealingly covering the headlight component;

a turn signal component installed adjacent the headlight component in the housing including at least one LED light being electrically connected to a second wire to receive power; and

a colored turn signal lens sealingly covering the turn signal component.

13. The head light of claim 12, wherein the turn signal component further comprises a substantially rectangular turn signal light housing.

14. The head light of claim 12, wherein the colored turn signal lens further comprises a raised lens.

15. A head light assembly comprising:

a housing;

a headlight component including a light component with a plurality of LED lights fixedly installed in the housing with each LED light being positioned within a reflector, each LED light in the plurality of LED lights being electrically connected to a first wire to receive power;

a first heat sink fixedly connected to a back of the light component and thermally connected to each LED light in the plurality of LED lights also in the housing, the first heat sink having a substantially flat base with a substantially rectangular shape and rounded corners, a plurality of fins extending perpendicularly from the substantially flat base and forming a generally symmetrical pattern having a central rectangular portion located around a center of the flat base, two sets of three spaced-apart and longitudinally aligned concave shaped fins on each side of and extending away from the central rectangular portion located around the center of the flat base, and a pair of substantially “

V”

-shaped fins opposite each other on opposite ends of the base and the pair of substantially “

V”

-shaped fins are substantially aligned with a center longitudinal axis of the heat sink;

a turn signal component installed adjacent the headlight component in the housing including at least one LED light being electrically connected to a second wire to receive power; and

a single lens sealingly covering the headlight and the turn signal components.

16. The head light of claim 15, wherein the turn signal component is substantially circular and the plurality of LED lights includes seven LED lights.

17. The head light of claim 15, wherein the seven LED lights are arranged with six LED lights and reflectors positioned around a single central LED light and reflector.

18. The head light of claim 15, wherein the single lens is clear.

19. The head light of claim 15, wherein the single lens is ribbed.