WO2013053196A1

WO2013053196A1 - Light-emitting diode lighting having convex-shaped light source

Info

Publication number: WO2013053196A1
Application number: PCT/CN2012/001316
Authority: WO
Inventors: 陈烱勋
Original assignee: Chen Jeong-Shiun
Priority date: 2011-10-09
Filing date: 2012-09-27
Publication date: 2013-04-18
Also published as: CN202274316U

Abstract

A light-emitting diode lighting having a convex-shaped light source, comprising a frame bracket (10), multiple substrates (20), multiple LED chips (30), a light housing (30), a light hood (50), and a connector (60). The bracket (10) comprises one top-plane hollow bracket (12) and multiple lateral-plane hollow brackets (14), forming a convex shape. The top-plane hollow bracket (12) and each of the lateral-plane hollow brackets (14) are provided with the corresponding substrates (20). Each substrate (20) has arranged thereon at least one LED chip (30). The frame bracket (10) is arranged on the light housing (40). The light hood (50) is connected to the light housing (40) to form a sealed space used for accommodating the frame bracket (10), the substrates (20), and the LED chips (30). The light housing (40) is further connected to the connector (60). The LED chips (30) are electrically connected to the substrates (20) to allow an external power source to supply electricity to the LED chips (30) via the connector (60), thereby driving the LED chips (30) to generate and emit light, forming the convex-shaped light source.

Description

LED light fixture with convex light source

Technical field

The invention relates to a light-emitting diode lamp, in particular to using a plurality of substrates in different directions

5 Place multiple LEDs to create a convex light source. Background technique

Light-emitting diodes are light-emitting components with relatively high luminous efficiency, and have been widely used in lighting fixtures, display devices, and advertising display panels. However, the light-emitting diode itself is a point light source and has a narrow 0-lighting angle. Therefore, in the field of application requiring a large light-emitting angle or a uniform light-emitting range, the prior art often requires a lampshade having a secondary optical function to formulate an appropriate light-emitting distribution. , or use a special astigmatism device to increase the angle of illumination. However, the lampshade and the astigmatism device absorb some of the light, causing light loss and reducing the brightness of the overall luminaire. In addition, the shape of the lampshade and the astigmatism device is complicated, which increases the additional manufacturing cost and is not conducive to market competition.

5 Therefore, there is a need for an LED luminaire having a convex light source that cooperates with a light-emitting diode to provide a convex light source by a convex-shaped bracket, thereby solving the above-mentioned problems of the prior art. Summary of the invention

The main object of the present invention is to provide an LED lamp with a convex light source, 10 comprising a bracket, a plurality of substrates, a plurality of LED chips, a lamp housing, a lamp cover and a joint for providing a convex light source, wherein the bracket comprises a bracket The top openwork frame and the plurality of side openwork frames form a convex shape, and the top surface open frame and each side open frame are disposed with corresponding substrates, and at least one LED chip is disposed on each substrate. The bracket is placed on the lamp housing, and the lamp housing has a plurality of convection holes for generating convection and improving heat dissipation efficiency. The lampshade is connected to the lamp housing to form a closed space, and the !5 is used for accommodating the bracket, the substrate and the LED chip to provide isolation protection. The lamp housing is further coupled to the connector, and the LED chip is electrically connected to the substrate such that the external power source can supply power to the LED chip by means of a connector, thereby driving the LED chip to generate emitted light.

Since the top surface of the bracket and the side hollow frame form a convex shape, the angle formed by the height of the top surface of the hollow frame and the side hollow frame can be structurally adjusted according to the amount of side light and light, because the LED lamp of the present invention can be borrowed The LED chip placed on the bracket produces a convex surface light Source, that is, a spherical light source similar to a general incandescent light bulb. Description

1 is a schematic view showing an LED lamp having a convex light source according to the present invention; and FIG. 2 is a schematic view showing a bracket of the LED lamp of the present invention;

Figure 3 shows a schematic view of a stent of another embodiment of the present invention. detailed description

The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings, in order to enable those skilled in the art to practice the invention.

Referring to FIG. 1, FIG. 1 is a schematic view of a light-emitting diode lamp with a convex light source according to the present invention. As shown in FIG. 1 , the LED lamp of the present invention comprises a bracket 10 , a plurality of substrates 20 , a plurality of light emitting diode (LED) chips 30 , a lamp housing 40 , a lamp cover 50 , and a joint 60 , wherein the lamp housing 50 has a plurality of convection holes 52, a convection function for providing heat dissipation.

Referring to Figure 2, Figure 2 is a schematic view of the stent of the present invention. As shown in FIG. 2, the bracket 10 has a convex shape and includes a top surface skeleton 12 and a plurality of side hollow frames 14, wherein the top surface hollow frame 12 is located at the horizontal top of the bracket 10, and the side hollow frame 14 is surrounded and The side edges of the top sills 12 are joined, and the adjacent side sills 14 are joined to each other, so that each of the side sills 14 can form a corresponding slanting surface, and different slanting angles can form different side light requirements.

The top open frame 12 can be a regular polygon and fits with five side sills with an isosceles trapezoid

14, such as the regular pentagon shown in the figure, and the isosceles trapezoid of the side hollow frame 14 has a parallel short side, a parallel long side, two oblique side sides, wherein the parallel short side and the parallel long side are parallel to each other, The two oblique sides are located on two sides of the top surface of the hollow frame, and are connected with parallel short sides and parallel long sides.

It is to be noted that the top pentagon top shelf 12 and the isosceles trapezoidal side sill 14 shown in Figure 2 are merely illustrative of the features of the present invention and are not intended to limit the scope of the present invention. Therefore, other regular polygonal top-faced skeletons can also be used, with a relative number of side sills, such as a regular hexagonal top sill and six side sills, or a regular octagonal top sill and eight Side squat racks.

In addition, the side sill 14 can be further formed into a multi-layer stack, and the slant angles of the side sills 14 in the same layer are the same, and the slant angles of the side sills 14 in different layers Different from each other, as shown in FIG. 3, a schematic view of a stent of another embodiment of the present invention. It should be noted that FIG. 3 shows a two-layer stack shape, but the present invention is not limited thereto, but may include any one or more layers.

Returning to Figure 1, the top sill frame 12 in the bracket 10 and each side sill 14 are placed

5 corresponding substrates 20, and at least one LED chip 30 is disposed on each substrate 20, and the substrate 20 has electrical connection lines (not shown) for electrically connecting the LED chips 30. The bracket 10 is disposed on the lamp housing 40, and the lamp housing 40 has a plurality of convection holes 42 for generating convection and improving heat dissipation efficiency. The lamp cover 50 is translucent and coupled to the lamp housing 40 to form a closed space for receiving the bracket 10, the substrate 20 and the LED chip 30 to provide isolation protection. Lamp housing 40

0 One-step joint 60, and the LED chip 30 electrically connects the electrical connection lines of the substrate 20 so that the external power source can supply power to the LED chip 30 by means of the connector 60, thereby driving the LED chip 30 to generate emitted light as a light source. Since the top surface of the bracket 10 and the side sill 14 form a convex shape, the LED luminaire of the present invention can further generate a convex surface light source by the LED chip 30 disposed on the bracket 10, that is, similar to the general incandescent Bulb ball

5 surface light source.

The bracket 10 may be constructed of a bracket of highly thermally conductive material, and the high thermal conductivity material includes aluminum die casting, the lamp housing 40 may be an aluminum die cast housing, a ceramic housing or a plastic housing, and the lamp housing 50 may be constructed of glass or polycarbonate (PC).

It should be noted that the top open frame 12 and the side open frame 14 of FIG. 1 are respectively configured with an !0 LED chip 30, which is merely an exemplary example. The scope of the present invention may include one or more LED chips 30 disposed on top. The face frame 12 and the side frame 14 are on the side.

In summary, the present invention is characterized in that the top surface of the bracket and the side hollow frame can form a plurality of planes and side light emitting angles, and the substrate disposed on each plane has an LED chip for generating emitted light. Therefore, multi-directional emission light can be generated, and a surface light source similar to a »5 convex surface can be realized, and the inclination angle of the inclined surface formed by the side hollow frame can be adjusted according to the needs of the actual lighting application to achieve the best light distribution function. .

The above description is only for the purpose of explaining the preferred embodiments of the present invention, and is not intended to limit the invention in any way. Therefore, any modifications or changes relating to the present invention in the same spirit of creation are It should still be included in the scope of the invention as intended.

Claims

Rights request

What is claimed is: 1. A light-emitting diode lamp having a convex light source, comprising: a bracket having a convex shape, comprising a top surface hollow frame and a plurality of side hollow frames, the top surface hollow frame being at a level of the bracket The top frame, the hollow frame surrounds and joins the side edges of the top surface of the hollow frame, and the adjacent side hollow frames are connected to each other, and each of the side hollow frames forms a corresponding inclined surface and an illumination angle;

a plurality of substrates disposed on the bracket, and each of the substrates is disposed on a corresponding top surface open frame or side hollow frame, and each of the substrates has an electrical connection line;

a plurality of light emitting diode (LED) chips disposed on the electrical connection lines of the substrate, and each substrate is disposed with at least one LED chip;

a lamp housing, the bracket is disposed on the lamp housing;

a lamp cover, translucent and coupled to the lamp housing to form a closed space for accommodating the support, the substrate and the LED chip;

a connector connecting the lamp housing, and the LED chip electrically connecting the corresponding electrical connection line of the substrate, so that the external power source supplies power to the LED chip on the substrate by the connector, thereby driving the LED chip to generate The light is emitted to form a convex light source.

2 . The LED lamp of claim 1 , wherein the side sills are further formed in a multi-layer stack, and the slant angles of each of the side sills in the same layer are the same, and each of the different layers The slope angles of the side sills are different from each other.

3 . The LED lamp of claim 1 , wherein the bracket is formed by a bracket of high thermal conductivity material, and the high thermal conductivity material comprises aluminum die casting, and the lamp shell is an aluminum die cast housing, A ceramic casing or a plastic casing, and the lampshade is made of glass or polycarbonate (PC).

The LED lamp of claim 1 , wherein the lamp housing has a plurality of convection holes for providing a convection function for heat dissipation.