DUAL-MODULAR DOWNLIGHT

• US 20180266634A1
• Filed: 05/30/2017
• Published: 09/20/2018
• Est. Priority Date: 03/15/2017
• Status: Active Grant

• Current Assignee: Xiamen Eco Lighting Co. Ltd.
• Original Assignee: Xiamen Eco Lighting Co. Ltd.
• Inventors: Dong, Yongzhe, Hou, Shouqiang, Wen, Xiaoliang
• Granted Patent: US 10,443,788 B2
• Time in Patent Office: Days
• CPC Class Codes: F21K 9/237 Details of housings or cases, i.e. the parts between the light-generating element and the bases; Arrangement of components within housings or cases F21K9/238 takes precedence
• CPC Class Codes: F21S 8/02 of recess-mounted type, e.g. downlighters specially adapted for vehicle exteriors F21S41/00-F21S45/00
• CPC Class Codes: F21S 8/026 intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
• CPC Class Codes: F21V 21/041 Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates F21V21/047 takes precedence
• CPC Class Codes: F21V 21/047 Mounting arrangements with fastening means engaging the inner surface of a hole in a ceiling or wall, e.g. for solid walls or for blind holes
• CPC Class Codes: F21V 29/75 with fins or blades having different shapes, thicknesses or spacing
• CPC Class Codes: F21V 29/763 the planes containing the fins or blades having the direction of the light emitting axis
• CPC Class Codes: F21Y 2103/33 annular
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

Disclosed herein is a downlight, which includes an optoelectronic module and a rim module. The optoelectronic module includes a light source driving board, a back housing, and a front housing. The light source driving board is disposed between the back housing and the front housing. The light source driving board includes a light-emitting diode unit and a driving circuit. The rim module has a central opening for accommodating the optoelectronic module. The rim module is not integrally formed with the optoelectronic module.

Claims

1. A downlight, comprises,

an optoelectronic module, comprising a light source driving board, a back housing, and a front housing, wherein the light source driving board is disposed between the back housing and the front housing, and the light source driving board comprises a light-emitting diode unit and a driving circuit;

and

a rim module, having a central opening configured to accommodate the optoelectronic module;

wherein the rim module is not integrally formed with the optoelectronic module.

2. The downlight according to the claim 1, wherein the rim module comprises a tubular wall and a fastener, wherein the fastener is fixed on the tubular wall.

3. The downlight according to the claim 2, wherein the fastener is a metallic fastener.

4. The downlight according to the claim 1, wherein the front housing is a diffusion plate.

5. The downlight according to the claim 1, wherein the light source driving board comprises a plurality light-emitting diode units arranged in a ring-shape.

6. The downlight according to the claim 1, wherein the rim module comprises an outer ring, wherein the outer ring is a circular ring.

7. The downlight according to the claim 1, wherein the rim module comprises an outer ring, wherein the outer ring is a rectangular ring.

8. A downlight, comprising,

an optoelectronic module, comprising a light source driving board, a back housing, and a front housing, wherein the light source driving board is disposed between the back housing and the front housing, and the light source driving board comprises a light-emitting diode unit and a driving circuit;

and

a rim module, having a central opening configured to accommodate the optoelectronic module;

wherein the central opening of the rim module comprises a circular inner flange, and when the optoelectronic module is inserted into the central opening of the rim module, the circular inner flange rests against and covers the peripheral of the front housing.

9. The downlight according to the claim 8, wherein the rim module comprises a tubular wall and a fastener, wherein the fastener is fixed on the tubular wall.

10. The downlight according to the claim 9, wherein the fastener is a metallic fastener.

11. The downlight according to the claim 8, wherein the front housing is a diffusion plate.

12. The downlight according to the claim 8, wherein the light source driving board comprises a plurality of light-emitting diode units arranged in a ring-shape.

13. The downlight according to the claim 8, wherein the rim module comprises outer ring, wherein the outer ring is a circular ring.

14. The downlight according to the claim 8, wherein the rim module comprises outer ring, wherein the outer ring is a rectangular ring.

15. A downlight, comprising,

an optoelectronic module, comprising a light source driving board, a back housing, and a front housing, wherein the light source driving board is disposed between the back housing and the front housing, and the light source driving board comprises light-emitting diode unit and driving circuit;

a rim module, having a central opening configured to accommodate the optoelectronic module; and

a trumpet-shaped sleeve, wherein the trumpet-shaped sleeve has a first opening and a second opening, wherein the first opening is in contact with the light source driving board and is configured to expose the light-emitting diode unit, and the second opening is disposed at the inner peripheral of the front housing.

16. The downlight according to the claim 15, wherein the rim module comprises a tubular wall and a fastener, wherein the fastener is fixed on the tubular wall.

17. The downlight according to the claim 15, wherein the front housing is a diffusion plate.

18. The downlight according to the claim 15, wherein the light source driving board comprises a plurality of light-emitting diode units arranged in a ring-shape.

19. The downlight according to the claim 15, wherein the rim module comprises outer ring, wherein the outer ring is a circular ring.

20. The downlight according to the claim 15, wherein the rim module comprises outer ring, wherein the outer ring is a rectangular ring.