LIGHT-EMITTING DIODE LAMP

• US 20130039054A1
• Filed: 12/22/2011
• Published: 02/14/2013
• Est. Priority Date: 08/09/2011
• Status: Abandoned Application

• Current Assignee: Foxsemicon Integrated Technology Incorporated
• Original Assignee: Foxsemicon Integrated Technology Incorporated
• Inventors: YANG, SUNG-HSIANG, CHAO, CHAO-HUAN
• Application Number:
  US13/334,281
• Publication Number:
  US 20130039054A1
• Time in Patent Office: Days
• US Class Current: 362/234
• CPC Class Codes: F21K 9/65 specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
• CPC Class Codes: F21S 4/28 rigid, e.g. LED bars
• CPC Class Codes: F21V 17/002 with provision for interchangeability, i.e. component parts being especially adapted to be replaced by another part with the same or a different function F21V17/10 takes precedence
• CPC Class Codes: F21V 17/164 the parts being subjected to bending, e.g. snap joints
• CPC Class Codes: F21V 29/507 of means for protecting lighting devices from damage, e.g. housings
• CPC Class Codes: F21V 29/83 the elements having apertures, ducts or channels, e.g. heat radiation holes
• CPC Class Codes: F21V 3/04 characterised by materials, surface treatments or coatings
• CPC Class Codes: F21V 5/007 Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane combination of two or more refractors F21V5/008
• CPC Class Codes: F21V 5/04 of lens shape
• CPC Class Codes: F21Y 2105/10 comprising a two-dimensional array of point-like light-generating elements
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

A light-emitting diode lamp comprises a supporting salver comprising a first and second surfaces, the second surface defines first recesses; light-emitting diodes (LEDs) mounted on the first surface; a lampshade covering the light-emitting diodes, the lampshade comprising an optic portion facing the LEDs, the optic portion comprising lenses, each of the lenses facing each of the LEDs, the lampshade defining second recesses corresponding to the first recesses, each of the first recesses aligned with each of the second recesses; and clips each comprising a connecting portion and two buckling portions at two opposite ends of the connecting portion, the connecting portion being resilient, one of the two buckling portions being received in one of the first recesses, another one of the two buckling portions being received in a corresponding one of the second recesses, wherein the lampshade is interchangeably mounted on the supporting salver through the clips.

Claims

1. A light-emitting diode lamp comprising:

a supporting salver comprising a first surface and a second surface opposite to the first surface, wherein the second surface defines a plurality of first recesses therein;

a plurality of light-emitting diodes mounted on the first surface of the supporting salver;

a lampshade covering the plurality of light-emitting diodes for changing light distribution of the plurality of light-emitting diodes, the lampshade comprising an optic portion facing the plurality of light-emitting diodes, the optic portion comprising a plurality of lenses formed thereon, each of the plurality of lenses facing each of the plurality of light-emitting diodes, the lampshade defining a plurality of second recesses therein corresponding to the plurality of first recesses of the supporting salver, each of the plurality of first recesses aligned with each of the plurality of second recesses; and

a plurality of clips each comprising a connecting portion and two buckling portions formed at two opposite ends of the connecting portion, the connecting portion being resilient, one of the two buckling portions being received in one of the plurality of first recesses, another one of the two buckling portions being received in a corresponding one of the plurality of second recesses, wherein

the lampshade is interchangeably mounted on the supporting salver through the plurality of clips.

2. The light-emitting diode lamp of claim 1, wherein each of the two buckling portion is a V-shape and resilient, and the two buckling portions of each of the plurality of clips are oriented opposite to each other with a point of the V-shape facing each other.

3. The light-emitting diode lamp of claim 2, wherein an annular sidewall is provided on the supporting salver, the annular sidewall defines an annular receiving slot in a top thereof, the lampshade comprises a main body and an annular flange formed at an edge of the main body, the optic portion is located at a middle portion of the main body, and the annular flange is received in the annular receiving slot.

4. The light-emitting diode lamp of claim 3, wherein the main body defines a plurality of ventilation holes in two opposite end portions thereof, the plurality of ventilation holes run through the main body and are configured for heat dissipation and ventilation.

5. The light-emitting diode lamp of claim 2, wherein the plurality of lenses are arranged in an array, each of the plurality of lenses comprises a light receiving surface and a light output surface opposite to the light receiving surface, the light receiving surface of each of the plurality of lens faces a corresponding one of the plurality of light-emitting diodes;

wherein the plurality of lenses are configure to transmit light from each of the plurality of light-emitting diodes into the light receiving surface, radiate out of each of the plurality of lenses through the light output surface, and refract the light at the light output surface.

6. The light-emitting diode lamp of claim 5, wherein the light receiving surface of each of the plurality of lenses is flat, the light output surface protrudes out of the optic portion convexly, an orthographic projection of each of the plurality of lenses on the supporting salver is elliptical, and cross sections of each of the plurality of lenses along a length direction and a width direction of the optic portion are both arch-shaped.

7. The light-emitting diode lamp of claim 5, wherein the light receiving surface comprises a concave portion depressed in a middle portion thereof and an annular portion surrounding the concave portion, a cross section of the concave portion is arch-shaped and the annular portion is flat, an orthographic projection of each of the plurality of lens on the supporting salver is rectangular, and cross sections of each of the plurality of lens along a length direction and a width direction of the optic portion are both arch-shaped.

8. The light-emitting diode lamp of claim 5, wherein each of the plurality of lens is drip-shaped, the light receiving surface comprises a flat surface at one side thereof and a slantwise surface depressed slantways from an edge of the flat surface towards an opposite side thereof, the light output surface is convex, an orthographic projection of each of the plurality of lenses on the supporting salver is rectangular, a cross section of each of the plurality of lenses along a length direction of the lampshade is arch-shaped, and a cross section of each of the plurality of lens along a width direction of the lampshade is drip-shaped.

9. The light-emitting diode lamp of claim 5, wherein the light receiving surface comprises a flat surface at one side thereof and a concave surface depressed slantways from an edge of the flat surface towards an opposite side thereof, the light output surface is convex, a curvature of the concave surface is equal to a curvature of the light output surface, an orthographic projection of each of the plurality of lenses on the supporting salver is rectangular, and a cross section of each of the plurality of lenses along a length direction of the lampshade is arch-shaped.

10. The light-emitting diode lamp of claim 5, wherein each of the plurality of lenses comprises a plurality of first lenses and a plurality of second lens different from each other, the plurality of first lenses and the plurality of second lenses are staggered in rows and columns.

11. The light-emitting diode lamp of claim 10, wherein a light receiving surface of each of the plurality of first lenses comprises a concave portion depressed in a middle portion thereof and an annular portion surrounding the concave portion, a cross section of the concave portion is arch-shaped and the annular portion is flat, an orthographic projection of each of the plurality of first lenses on the supporting salver is rectangular, and cross sections of each of the plurality of first lenses along a length direction and a width direction of the optic portion are both arch-shaped, a light receiving surface of each of the plurality of second lenses is flat, a light-output surface of each of the plurality of second lenses protrudes out of the optic portion convexly, an orthographic projection of each of the plurality of second lenses on the supporting salver is elliptical, and cross sections of each of the plurality of second lenses along a length direction and a width direction oft eh optic portion are both arch-shaped.

12. The light-emitting diode lamp of claim 10, wherein the lampshade is formed integrally through mold injection or thermosetting molding.

13. The light-emitting diode lamp of claim 2, wherein the clip plurality of clips are made of metal or plastic.

14. The light-emitting diode lamp of claim 1, wherein a plurality of heat dissipating members are formed on the second surface of the salver.

15. A light-emitting diode lamp comprising:

a supporting salver defining a first recess therein;

a lampshade coupled to the supporting salver, the lampshade defining a second recess aligned with the first recess

an LED mounted on the supporting salver and covered by the lampshade; and

a clip mounting the lampshade on the supporting salver in a dismountable way, the clip comprising two buckling portions and a connecting portions interconnecting the tow buckling portions;

wherein one of the two buckling portions is engaged in the first recess of the supporting salver, another one of the two buckling portions is engaged with the second recess of the lampshade, the connecting portion is resilient, and wherein

a distance between the two buckling portions is enlarged when the connecting portion is deformed to couple the lampshade to the supporting salver through the clip.