LED LIGHT ASSEMBLIES

• US 20140268851A1
• Filed: 03/18/2014
• Published: 09/18/2014
• 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
• Granted Patent: US 9,464,777 B2
• Time in Patent Office: Days
• US Class Current: 362/517
• 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;

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 the heat sink has 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.

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

8. The head light assembly of claim 7 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.

9. An LED light kit for a golf cart comprising:

a three element front light portion including;

a center light element with a housing with an inverted, substantially trapezoid shape enclosing two rows of LED lights, and

two outer substantially rhomboid-shaped light elements, one each to the left and right of the center light element, and each of the substantially rhomboid-shaped light elements the corners opposite each other on a shortest diagonal are substantially rounded corners; and

a two element tail light portion with each portion including a vertically oriented, elongated, substantially rhomboid-shaped tail light portion including an elongated, substantially rhomboid-shaped tail light assembly housing surrounding an elongated, substantially rhomboid-shaped tail light element, the tail light element including five diagonal, five-light element rows, which are aligned with and substantially parallel to a diagonally extending top edge of the tail light assembly housing, at an opposite end of the light element are three diagonal, six-light element rows that are on the same diagonal angle as the five, five light element rows, and in between the three, six light element rows and the five, five light element rows are two, four light element rows on the same diagonal angle as the other light element rows.

10. The LED light kit for a golf cart of claim 9 wherein the center light element further comprises:

a top row of seven LED lights that are offset from a bottom row of six LED lights.

11. The LED light kit of claim 9 wherein each of the substantially rhomboid-shaped light elements further comprises:

a rhomboid-shaped housing;

a marker light including two groups of LED lights, a first group including a first plurality of LED lights arranged in a substantially oval configuration on an outer side of the marker light, and a second group including a second plurality of LED lights arranged in curved line on an inner side of the marker light; and

a rhomboid-shaped lens cover sealingly affixed to the rhomboid-shaped housing.

12. The LED light kit of claim 11 wherein each LED light on the marker light are installed in a recess.

13. The LED light kit of claim 9 wherein each tail light portion includes a first red-colored lens over the five diagonal, five-light element rows, and a second red-colored lens over the three diagonal, six-light element rows.

14. 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;

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.

15. The head light kit of claim 14 wherein the light component includes two rows of five LED lights and reflectors.

16. The head light kit of claim 15 wherein the reflectors are smooth.

17. The head light kit of claim 14 wherein the light component includes two rows of five LED lights and reflectors.

18. 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;

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.

19. The head light of claim 18 wherein the headlight component is substantially circular and the plurality of LED lights includes five LED lights.

20. The head light of claim 18 wherein the five LED lights are arranged in a “

+”

configuration.