CN202091862U - LED (Light-Emitting Diode) lamp without bracket - Google Patents

Abstract

The utility model provides an LED (Light-Emitting Diode) lamp without a bracket, comprising a heat radiating board, an LED chip and a light-transmitting hood, wherein the LED chip is arranged on the heat radiating board; the light-transmitting hood is arranged on the heat radiating board; and the LED chip is packaged between the heat radiating board and the light-transmitting hood. In the LED lamp without the bracket provided by the utility model, by arranging the light-transmitting hood with a light diffusing or condensing function to perform secondary light distribution, the lighting effect can be effectively increased, a light source can be diffused and can also be condensed so as to realize local intensive illumination or large-area illumination, and thus, the problems of glares, emergent light nonuniformity and the like of the traditional LED are solved, and light rays become softer; and the LED lamp without the bracket is suitable for various working places.

Description

A LED lamp without bracket

【Technical field】

The utility model relates to a bracketless LED lamp.

【Background technique】

LED, or Light Emitting Diode, is a solid-state semiconductor device that converts electrical energy into visible light. With the development of LED technology in recent years, its luminous brightness has been significantly improved and its service life has also been greatly extended. Not only that, LED also has a wide range of uses and many advantages, such as: small size, low power consumption, low heat, environmental protection, energy saving, durable and so on. Therefore, LED lighting is gradually entering the practical stage.

However, traditional LED lamps have many defects, such as: high price, low light extraction efficiency, poor heat dissipation performance, especially in terms of light distribution, glare and other issues have always been an important aspect affecting the development of LEDs.

【Content of utility model】

The purpose of the utility model is to provide a bracketless LED lamp, which can significantly improve the utilization efficiency of the light source and make the light softer.

In order to achieve the above purpose, a bracketless LED lamp of the present invention adopts the following technical scheme:

A bracketless LED lamp, comprising a cooling plate, an LED chip and a light-transmitting cover, the LED chip is arranged on the cooling plate; the light-transmitting cover is installed on the cooling plate, and the LED chip is packaged on the cooling between masks.

The light-transmitting cover is a light-diffusing device, and the inner wall of the light-diffusing device is stepped ring or spiral.

The inner surface and the outer surface of the astigmatism device are provided with convex patterns, concave patterns or a combination of both.

The light-transmitting cover is a light concentrating device, and the top of the light concentrating device is provided with a concave surface.

The material of the transparent cover is plexiglass.

A concave portion is provided on one side of the heat dissipation plate, and the LED chip is arranged in the concave portion.

Compared with the prior art, the utility model has at least the following advantages: the utility model is a bracketless LED lamp, which can effectively improve the light efficiency by setting a light-transmitting cover with light divergence or convergence function to perform secondary light distribution. It can not only diverge the light source, but also gather the light source to achieve local strong lighting or large-area lighting, which solves the current problems of LED glare and uneven light output, and makes the light softer, suitable for various workplaces.

【Description of drawings】

Fig. 1 is a structural schematic diagram of a bracketless LED lamp of the present invention;

Fig. 2 is a structural schematic diagram of another embodiment of a bracketless LED lamp of the present invention.

Wherein, 1 is a heat dissipation plate, 2 is an LED chip, 3 is a light emitting area, 4 is a light scattering device, and 5 is a light concentrating device.

【Detailed ways】

Below in conjunction with accompanying drawing, the utility model is described in detail:

As shown in Figure 1, a bracketless LED lamp of the present invention includes a cooling plate 1, an LED chip 2, and a light-transmitting cover; the cooling plate 1 is provided with a recess for installing the LED chip 2 therein; Installed on the heat dissipation plate 1 , a light emitting area 3 is formed between the transparent cover and the heat dissipation plate 1 . The light transmission cover is made of plexiglass material, or other materials with high light transmittance and high astigmatism.

Please refer to shown in Fig. 1, the light-transmitting cover is a light astigmatism device 4, and the inner wall of the light astigmatism device 4 is stepped ring or spiral, and this kind of structure is beneficial to the divergence of light; Concave-convex shapes and patterns increase the effect of light divergence.

Please refer to Fig. 2, the translucent cover is a light concentrating device 5, the light concentrating device 5 is directly installed on the LED chip 2, and the top of the light concentrating device 5 is a concave surface, which can directly gather the light emitted by the LED chip 2 , to be suitable for local strong lighting occasions.

An embodiment of a bracketless LED lamp of the utility model includes the following steps:

1. Astigmatism and light concentrating device design: Based on the LED glare and other problems brought about by the bracketless integrated packaging technology, a device that can efficiently use the light source can be designed to achieve functions such as astigmatism and light concentrating.

2. Selection of materials for the astigmatism and light concentrating device: the material of the astigmatism or light concentrating device must have a high light transmittance and good astigmatism. Therefore, organic glass materials or new materials with high light transmittance and high astigmatism can be selected.

3. Production of astigmatism and light concentrating devices: Inversion molding process and other processes can be used to make materials with high light transmission and high astigmatism into shapes such as ring or spiral inner walls to facilitate light divergence, while the top of the device The inner and outer surfaces can be designed with no texture, various concave-convex shapes and patterns, so as to diverge the light again and achieve beauty at the same time.

4. Manufacturing of bracketless LED lamps based on astigmatism and concentrating technology: Through bracketless integrated packaging technology, grooves are directly punched on various heat dissipation substrates, and then LED lamps are manufactured on them. The manufacturing process is: chip inspection, crystal expansion, Glue dispensing, spiny crystal, crystal solidification, lead wiring, wire bonding, inspection, powder dispensing, packaging and curing, installation of astigmatism and light concentrating devices, performance testing of lamps.

The above is only one embodiment of the utility model, not all or the only implementation. Any equivalent transformation adopted by those of ordinary skill in the art to the technical solution of the utility model by reading the specification of the utility model shall be considered as the present invention. covered by the claims of the utility model.

Claims (6)

1. A supportless LED lamp, characterized in that: it comprises a cooling plate (1), an LED chip (2) and a light-transmitting cover, and the LED chip (2) is arranged on the cooling plate (1); the light-transmitting The cover is installed on the heat dissipation plate (1), and the LED chip (2) is packaged between the heat dissipation plate (1) and the transparent cover. 2. The bracketless LED lamp according to claim 1, characterized in that: the light-transmitting cover is a light-diffusing device (4), and the inner wall of the light-diffusing device (4) is stepped ring or spiral. 3. The bracketless LED lamp according to claim 2, characterized in that: the inner surface and the outer surface of the astigmatism device (4) are provided with convex patterns, concave patterns or a combination of both. 4. The bracketless LED lamp according to claim 1, characterized in that: the light-transmitting cover is a light concentrating device (5), and the top of the light concentrating device (5) is provided with a concave surface. 5 . The LED lamp without bracket according to any one of claims 1 to 4 , characterized in that: the material of the transparent cover is plexiglass. 6 . 6 . The LED lamp without bracket according to claim 5 , characterized in that: one side of the cooling plate ( 1 ) is provided with a recessed portion, and the LED chip ( 2 ) is arranged in the recessed portion. 7 .

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