Decorative light string with LED bulbs

• US 5,887,967 A
• Filed: 11/03/1997
• Issued: 03/30/1999
• Est. Priority Date: 10/31/1997
• Status: Expired due to Fees

• Current Assignee: Tai-Fu Chang
• Original Assignee: Tai-Fu Chang
• Inventors: Chang, Tai-Fu
• Primary Examiner(s): LEE, Y MY QUACH
• Application Number:
  US08/963,078
• Time in Patent Office: 512 Days
• Field of Search: 362/226, 362/249, 362/252, 362/800, 362/806, 362/457, 439/619, 439/399.2, 439/375, 439/356
• US Class Current: 362/653
• CPC Class Codes: F21S 4/10 with light sources attached to loose electric cables, e.g. Christmas tree lights
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: Y10S 362/806 Ornamental or decorative

Abstract

The invention relates to an improved structure of a decorative light string, which includes an electrical wire to connect with many bulb assemblies for decorative lighting. The bulb assembly includes a light bulb holder with a dint to receive a LED bulb and a base with a dint to receive the holder together with the LED bulb under a corrective direction. By use of the invention, the light string lights without high heat and prevent from any accident of fire and damage.

Claims

1. A light bulb assembly for a decorative light string, comprising (a) an LED lamp having a pair of leads, (b) a light bulb holder for receiving said LED lamp therein, said light bulb holder having a first dint on one side thereof in aligned relationship with one of said leads of said LED lamp, and (c) a base having a second dint formed on one side thereof for receiving said light bulb holder therein with said first dint disposed in aligned relationship with said second dint.