LED lamp with open encasement

• US 4,967,330 A
• Filed: 03/16/1990
• Issued: 10/30/1990
• Est. Priority Date: 03/16/1990
• Status: Expired due to Fees

• Current Assignee: Howard F. Bell, Michael C. Lane
• Original Assignee: Howard F. Bell, Michael C. Lane
• Inventors: Bell, Howard F., Lane, Michael C.
• Primary Examiner(s): Dority, Carroll B.
• Application Number:
  US07/494,686
• Time in Patent Office: 228 Days
• Field of Search: 362/800, 362/373, 362/311, 362/362, 362/368
• US Class Current: 362/311.02
• CPC Class Codes: F21S 43/14 Light emitting diodes [LED]
• CPC Class Codes: F21V 29/74 with fins or blades
• CPC Class Codes: F21V 29/83 the elements having apertures, ducts or channels, e.g. heat radiation holes
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: Y10S 362/80 Light emitting diode

Abstract

An LED lamp having a generally hollow cylindrical encasement having at least one opening therein allowing gases and fluids exterior to said encasement to freely circulate within the interior thereof for cooling purposes and including also embodiments wherein said encasement is screwthreaded, and/or is divided into sections with differing diameters.

Claims

1. An LED Lamp with Open Encasement, comprising:

(a) A generally hollow cylindrical encasement including at least one opening therein allowing gases and fluids exterior to . said encasement to circulate within the interior thereof, means forming an electrically conducting contact on and outer surface of said cylindrical encasement, an electrically conducting contact at a base or end of said cylindrical encasement, means for transmitting light through the end of said cylindrical encasement opposite the aforesaid electrically conducting base contact, and an insulative portion formed from nonconducting materials separating said contacts;

(b) At least one light emitting diode disposed within the interior of said generally hollow cylindrical encasement, having its light producing portion directed away from said base contact and parallel to the axis of said encasement, its positive lead connected to the aforesaid electrically conducting base contact and its negative lead connected to the aforesaid electrically conducting surface contact.

2. An LED Lamp with Open Encasement as set forth in claim 1, further comprising at least one current adjustment element capable of adjusting current flow to the extent required to make same compatible with LED usage interposed in the circuit between at least one of said LED leads and the conducting contact to which it is attached.

3. An LED Lamp with Open Encasement as set forth in claim 1, wherein said generally hollow cylindrical encasement is divided into at least two sections of differing diameters.

4. An LED Lamp with Open Encasement as set forth in claim 2, wherein said generally hollow cylindrical encasement is divided into at least two sections of differing diameters.

5. An LED Lamp with Open Encasement as set forth in claim 3, wherein at least one of said sections forms a flange.

6. An LED Lamp with Open Encasement as set forth in claim 4, wherein at least one of said sections forms a flange.

7. An LED Lamp with Open Encasement as set forth in claim 3, wherein the section with the smallest diameter is proximate to the base of the LED Lamp.

8. An LED Lamp with Open Encasement as set forth in claim 4, wherein the section with the smallest diameter is proximate to the base of the LED Lamp.

9. An LED Lamp with Open Encasement as set forth in claim 3, wherein the section with the smallest diameter is proximate to the end of said cylindrical encasement opposite the electrically conducing base contact.

10. An LED Lamp with Open Encasement as set forth in claim 4, wherein the section with the smallest diameter is proximate to the aperture of the LED Lamp.

11. An LED Lamp with Open Encasement as set forth in claim 1, wherein at least one of said openings is located in the base of the LED Lamp.

12. An LED Lamp with Open Encasement as set forth in claim 2, wherein at least one of said openings is located in the base of the LED Lamp.

13. An LED Lamp with Open Encasement as set forth in claim 1, wherein at least one of said openings is located in the end of said cylindrical encasement opposite the electrically conducting base contact.

14. An LED Lamp with Open Encasement as set forth in claim 2, wherein at least one of said openings is located in the end of said cylindrical encasement opposite the electrically conducting base contact.

15. An LED Lamp with Open Encasement as set forth in claim 1, wherein at least one of said openings is located in and outer surface of said Lamp.

16. An LED Lamp with Open Encasement as set forth in claim 2, wherein at least one of said openings is located in and outer surface of said Lamp.

17. An LED Lamp with Open Encasement as set forth in claim 1, wherein some portion of said generally hollow cylindrical encasement is screwthreaded.

18. An LED Lamp with Open Encasement as set forth in claim 2, wherein some portion of said generally hollow cylindrical encasement is screwthreaded.

19. An LED Lamp with Open Encasement as set forth in claim 3, wherein some portion of said generally hollow cylindrical encasement is screwthreaded.

20. An LED Lamp with Open Encasement as set forth in claim 4, wherein some portion of said generally hollow cylindrical encasement is screwthreaded.