Light emitting diode light bulb

• US 20040114367A1
• Filed: 12/13/2002
• Published: 06/17/2004
• Est. Priority Date: 12/13/2002
• Status: Abandoned Application

• Current Assignee: Jui-Tuan Li
• Original Assignee: Jui-Tuan Li
• Inventors: Li, Jui-Tuan
• Application Number:
  US10/318,056
• Publication Number:
  US 20040114367A1
• Time in Patent Office: Days
• US Class Current: 362/248
• CPC Class Codes: F21K 9/232 specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
• CPC Class Codes: F21V 3/061 the material being glass
• CPC Class Codes: F21V 3/062 the material being plastics
• CPC Class Codes: F21Y 2107/40 on the sides of polyhedrons, e.g. cubes or pyramids
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H05K 1/14 Structural association of two or more printed circuits providing electric connection to or between printed circuits H05K1/11, H01R12/00
• CPC Class Codes: H05K 1/189 characterised by the use of a flexible or folded printed circuit H05K3/326 takes precedence

Abstract

A light emitting diode (LED) light bulb includes a lamp holder and a lamp body; wherein the light body is disposed on the top plane of the lamp holder; the present invention is characterized that the lamp body is composed by more than two circuit boards; a plurality of LED light bulbs are disposed in parallel or in tandem on each circuit board such that the light source of the LED extensively emits toward all the directions; applying the abovementioned structure accordingly, the LED light bulb saves the electricity and has a longer useful life so as to effectively save the cost.

Claims

1. A light emitting diode (LED) light bulb comprises a lamp holder and a lamp body;

wherein the lamp body is disposed on the top plane of the lamp holder;

the present invention is characterized that;

the lamp body is of a multi-directional and three-dimensional shape composed by more than two circuit boards;

a plurality of LED light bulbs are disposed in parallel or in tandem on each circuit board to achieve the objective of enabling the light source of the light bulb to emit extensively toward all the directions.

2. The light emitting diode light bulb according to claim 1, wherein the circuit board in the lamp body is made of a soft circuit board so as to allow the lamp body to be bent to form a three-dimensional shape with curved planes.

3. The light emitting diode light bulb according to claim 1, wherein a lamp cover is disposed on the outside of the lamp body.