LED light apparatus

Patent metadata

Field	Value
Publication number	US-11326743-B2
Application number	US-202117143452-A
Country	US
Kind code	B2
Filing date	Jan 7, 2021
Priority date	Feb 22, 2018
Publication date	May 10, 2022
Grant date	May 10, 2022

Abstract

A LED light apparatus includes a substrate, LED modules, a driver circuit, a fluorescent layer, a connector and a light passing shell. The LED modules are mounted on the substrate. The fluorescent layer covers the driver circuit and the LED modules. The connector has a first end electrically connecting to the driver circuit. The light passing shell encapsulates the substrate, the plurality of first LED modules, the driver circuit, the first fluorescent layer and at least a part of the connector. The connector has a second end connecting to an external power source.

First claim

The invention claimed is:

1. A LED light apparatus, comprising:
a first substrate;
a plurality of first LED modules mounted on the first substrate;
a driver circuit mounted on the first substrate and electrically connected to the plurality of first LED modules for providing a driving current to the plurality of first LED modules;
a first fluorescent layer covering the driver circuit and the plurality of first LED modules;
a connector with a first end electrically connecting to the driver circuit; and
a light passing shell for letting light of the plurality of first LED modules transmitting out of the LED light apparatus and for encapsulating the substrate, the plurality of first LED modules, the driver circuit, the first fluorescent layer and at least a part of the connector, the connector having a second end connecting to an external power source, wherein the first substrate has a base part and multiple extended parts, the extended part has one end connected to the base part, the plurality of first LED modules are mounted on the extended part, and the driver circuit is mounted on the base part.

2. The LED light apparatus of claim 1 , wherein the first fluorescent layer also covers the driver circuit.

3. The LED light apparatus of claim 1 , wherein at least two of the multiple extended parts have different lengths.

4. The LED light apparatus of claim 1 , wherein the first substrate is a transparent substrate and there is a second fluorescent layer covering a back side of the first substrate.

5. The LED light apparatus of claim 1 , wherein the plurality of first LED modules are blue light LED modules, and there is a third fluorescent layer covering a lateral side of the first substrate.

6. The LED light apparatus of claim 1 , further comprising a second substrate mounted with a plurality of second LED modules, the first substrate and the second substrate being disposed in different planes in a three-dimension space.

7. The LED light apparatus of claim 1 , wherein the plurality of second LED modules receive the driving current provided by the driver circuit.

8. The LED light apparatus of claim 1 , wherein the connector has a first part and a second part, the first part is connected with the second part by plugging.

9. The LED light apparatus of claim 8 , wherein the first part of the connector has an elastic socket, and the second part of the connector has a pin, when the pin is plugged into the elastic socket, the pin is fastened to the elastic socket forming an electrical connection.

10. The LED light apparatus of claim 9 , wherein the second part of the connector is partially fixed in the light passing shell, and the first part of the connector is fixed to the substrate.

11. The LED light apparatus of claim 1 , wherein the connector comprises a first connector part and a second connector part, the first connector part and the second connector part are made of different materials, the second connector part is at least partially embedded in the light passing shell.

12. The LED light apparatus of claim 11 , wherein a difference ratio between thermal expansion coefficients of the second connector part and the light passing shell is less than 20%.

13. The LED light apparatus of claim 11 , wherein the light passing shell is made of glass material, and an interior surface of the light passing shell is disposed with an optical effect material.

14. The LED light apparatus of claim 11 , wherein the light passing shell has a bulb shell part and an air passing part together forming an enclosure space, the second connector part is fixed in the air passing part, heat dissipating gas is enclosed in the enclosure space.

15. The LED light apparatus of claim 1 , wherein there is an insulator disposed between the driver circuit and the first fluorescent layer.

16. The LED light apparatus of claim 1 , wherein the driver circuit comprises a surge protection component and a rectifier component.

17. The LED light apparatus of claim 1 , further the first substrate is an elongated strip.

18. The LED light apparatus of claim 17 , wherein the driver circuit has a first component and a second component disposed on two opposite ends of the elongated strip.

19. The LED light apparatus of claim 17 , further comprising a second substrate of an elongated strip mounted with a plurality of second LED modules, the second substrate and the first substrate are disposed in different planes in a three-dimension space.

20. The LED light apparatus of claim 19 , further comprising an additional driver circuit to co-work with the driver circuit for supplying the driving current to the plurality of first LED modules and the plurality of the second LED modules.

Assignees

• Xiamen Eco Lighting Co Ltd

Inventors

• Wang Qiyuan
• Cao Liangliang
• Jiang Hongkui
• Chen Huiwu
• Liu Wei
• He Feihua
• Gao Yanzeng

Classifications

• F21V23/005

  the substrate is supporting also the light source · CPC title

• F21V3/061

  the material being glass · CPC title

• F21K9/232 Primary

  specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb · CPC title

• F21Y2115/10

  Light-emitting diodes [LED] · CPC title

• F21K9/238

  Arrangement or mounting of circuit elements integrated in the light source · CPC title