Led filament module and led light bulb

Patent metadata

Field	Value
Publication number	US-2017084809-A1
Application number	US-201615366535-A
Country	US
Kind code	A1
Filing date	Dec 1, 2016
Priority date	Aug 17, 2015
Publication date	Mar 23, 2017
Grant date	—

Abstract

An LED filament module and an LED light bulb are disclosed. The LED filament module includes one or more LED filaments, a first connecting portion, and a second connecting portion. The LED filaments are spaced from each other. Each of the LED filaments includes a first conductive electrode and a second conductive electrode opposite to the first conductive electrode. The first connecting portion is connected with the first conductive electrodes. The second connecting portion is connected with the second conductive electrodes. The LED filament module has a first type. The LED filaments, the first connecting portion, and the second connecting portion of the first type are in a three dimensional form. One or two between the first connecting portion and the second connecting portion of the first type has a torus shape.

First claim

What is claimed is:

1 . An LED filament module, comprising:
a plurality of LED filaments spaced from each other, wherein each of the LED filaments comprises a first conductive electrode and a second conductive electrode opposite to the first conductive electrode; a first connecting portion connected with the first conductive electrodes; and a second connecting portion connected with the second conductive electrodes, wherein the LED filament module has a first type, and the LED filaments, the first connecting portion, and the second connecting portion of the first type are in a three dimensional form, at least one between the first connecting portion and the second connecting portion of the first type has a torus shape.

2 . The LED filament module of claim 1 , wherein both of the first connecting portion and the second connection portion have a torus shape.

3 . The LED filament module of claim 2 , wherein at least one of the first connecting portion and the second connecting portion has an opening.

4 . The LED filament module of claim 1 , wherein the LED filament module further has a second type, and the LED filaments, the first connecting portion, and the second connecting portion of the second type are in a two dimensional form.

5 . The LED filament module of claim 4 , wherein the LED filaments, the first connecting portion, and the second connecting portion of the second type form a sector outline.

6 . The LED filament module of claim 5 , wherein the first connecting portion and the second connecting portion of the second type respectively have arc shapes.

7 . The LED filament module of claim 6 , wherein the arc length of the first connecting portion is less than that of the second connecting portion.

8 . The LED filament module of claim 7 , wherein the LED filaments, the first connecting portion, and the second connecting portion of the first type form a shape of frustum of a cone.

9 . The LED filament module of claim 4 , wherein the LED filaments, the first connecting portion, and the second connecting portion of the second type form a rectangular outline.

10 . The LED filament module of claim 9 , wherein the first connecting portion and the second connecting portion of the second type respectively have straight shapes.

11 . The LED filament module of claim 10 , wherein the straight length of the first connecting portion is substantially equal to that of the second connecting portion.

12 . The LED filament module of claim 11 , wherein the LED filaments, the first connecting portion, and the second connecting portion of the first type form a shape of column.

13 . The LED filament module of claim 4 , wherein the LED filaments, the first connecting portion, and the second connecting portion are formed in one piece.

14 . The LED filament module of claim 4 , wherein the LED filaments, the first connecting portion, and the second connecting portion of the second type in the two dimensional form are shaped into the LED filaments, the first connecting portion, and the second connecting portion of the first type in the three dimensional form by a jig.

15 . The LED filament module of claim 1 , further comprising a plurality of filament brackets, wherein the filament brackets are connected between the first connecting portion and the second connecting portion, and each of the LED filaments is respectively attached to each of the filament brackets.

16 . The LED filament module of claim 1 , wherein the first connecting portion and the second connecting portion respectively comprise materials with conductibility.

17 . The LED filament module of claim 1 , wherein each of the LED filaments further comprises a circuit-arrangement manner allowing current to move through the LED filaments in one direction.

18 . The LED filament module of claim 1 , wherein the circuit-arrangement manner is one of diode.

19 . The LED filament module of claim 1 , wherein the LED filaments are equally spaced or the LED filaments are unequally spaced.

20 . An LED light bulb, comprising:
a bulb shell; a bulb base connected with the bulb shell; at least one stem in the bulb shell and connected with the bulb base; two conductive supports electrically connected to and extend from the base; an LED filament module, comprising:
a first connecting portion and a second connecting portion connected with the conductive supports respectively, at least one of the first connecting portion and the second connecting portion has a shape surrounding the center axle of the bulb base;
a plurality of LED filaments, the two ends of each of the LED filaments connected with the first connecting portion and the second connecting portion respectively.

21 . The LED light bulb of claim 20 , wherein each of the supporting arms comprises a hook end and a fixed end, the hook end extends radially from the stand for connecting with the first connecting portion, and the fixed end is embedded into the stand.

22 . The LED light bulb of claim 21 , wherein there is a gap between the fixed ends of the supporting arms in the stand to keep the supporting arms being insulated from each other.

23 . The LED light bulb of claim 21 , wherein the hook end of each of the supporting arms forms a hook structure, and the first connecting portion is hung on the hook structures of the hook ends.

24 . The LED light bulb of claim 23 , wherein the first connecting portion is tightly fitted in the hook structure.

25 . The LED light bulb of claim 20 , wherein both of the two conductive supports are connected to the second connecting portion or both of the two conductive supports are connected to the first connecting portion.

26 . The LED light bulb of claim 20 , wherein one of the two conductive supports is connected to the second connecting portion, and the other one of the two conductive supports is connected to the first connecting portion.

27 . The LED light bulb of claim 20 , wherein each of the LED filaments comprises a main illuminating face and secondary illuminating faces, the main illuminating faces of all of the LED filaments face toward outside of the LED light bulb or inside of the LED light bulb, or the main illuminating faces of a part of the LED filaments face toward outside of the LED light bulb.

28 . The LED light bulb of claim 20 , wherein the length of the first connecting portion is less than that of the second connecting portion.

29 . The LED light bulb of claim 28 , wherein the LED filament module has a shape of frustum of a cone.

30 . The LED light bulb of claim 20 , wherein the length of the first connecting portion is substantially equal to that of the second connecting portion.

31 . The LED light bulb of claim 30 , wherein the LED filament module has a shape of column.

32 . The LED light bulb of claim 30 , wherein the LED filament module further comprises a plurality of filament brackets, the filament brackets are connected between the first connecting portion and the second connecting portion, and each of the LED filaments is respectively attached to each of the filament brackets.

33 . The LED light bulb of claim 20 , wherein the first connecting portion and the second connecting portion respectively comprise materials with conductibility.

Assignees

• Zhejiang Super Lighting Electric Appliance Co Ltd

Inventors

• Jiang Tao
• Li Liqin
• Fei Heping
• Yao Wentao
• Zhou Lvhui
• Wang Cheng
• Wang Jin

Classifications

• H10W72/534

  being rectangular · CPC title

• H10W90/753

  between laterally-adjacent chips · CPC title

• H10W90/00

  Package configurations · CPC title

• F21K9/90

  Methods of manufacture · CPC title

• F21Y2103/37

  U-shaped · CPC title