CN201025619Y - LED diffusion light-emitting module - Google Patents

Abstract

The utility model relates to a LED diffusion light emitting module includes but light transmission body, first LED device and second LED device. The first LED device and the second LED device are respectively fixed at two ends of the light-permeable body. The light-permeable body is further coated with fluorescent powder and diffusion powder, and the fluorescent powder coated in the light-permeable body is excited by scattered light of the first LED device and the second LED device which are coated in the light-permeable body, so that the light diffusion effect can be achieved. The utility model transforms the light into a surface light source by the excitation and diffusion principle, which can improve the luminous efficiency; the light-permeable body is made of polycarbonate resin (PC) or polymethyl methacrylate (PMMA), has better plasticity and is not easy to break, so that the application range is enlarged, the product safety can be improved, the problem of waste environmental protection can be solved, and the light-permeable body is very suitable for practical use.

Description

LED Diffusion Lighting Module

technical field

The utility model relates to a light-emitting module, in particular to a combined LED device, which can be converted into a surface light source by the principle of excitation and diffusion, which can improve the luminous efficiency, has better plasticity and is not easy to break, and increases the application range. , and can improve product safety LED diffusion lighting module.

Background technique

The common indicating lighting devices on the market can be roughly divided into the types of backlight emitting light or light emitting source emitting light. Due to the characteristics of stable electrical characteristics, good optical characteristics, and low cost, the cold cathode lamp (Cold Cathode Fluorescent Lamp, CCFL) is widely used in the field of indicating lighting equipment.

For example, the advertising billboards seen on the street are placed behind the billboards with patterns and texts to form the backlight of the billboards; while neon lights are designed with lamps with different luminous colors. Patterns and text to enhance the visual effect.

However, with the increasing awareness of environmental protection, in order to facilitate the recycling and treatment of waste electrical and electronic equipment in line with environmental requirements, countries around the world have proposed restrictions on certain hazardous substances in electrical and electronic equipment. Under the RoHS (Restriction of Hazardous Substance) specification, the electrical equipment to be put into the EU market shall not contain harmful substances such as lead and mercury.

There is a trace amount of mercury vapor in the existing cold cathode lamp tubes, so the future market development is bound to be limited. In addition, traditional lamp tubes are easily broken due to external force impact, and the replacement cost also increases accordingly. In terms of appearance design, it is also limited by the material of the lamp tube and cannot be formed into various special patterns.

This shows that the above-mentioned existing lighting equipment obviously still has inconvenience and defects in structure and use, and needs to be further improved urgently. In order to solve the above-mentioned existing problems, relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time, and this is obviously a problem that relevant manufacturers are eager to solve. Therefore, how to create a new structure of LED diffusion light-emitting modules, develop environmentally friendly lighting equipment that can meet the RoHS specification, and make it have the characteristics of changeable shape to meet the needs of various product designs, has become the future lighting The trend of equipment development is also one of the current important research and development topics, and it has become a goal that the industry needs to improve.

In view of the defects of the above-mentioned existing lighting equipment, the designer, based on his rich practical experience and professional knowledge in the design and manufacture of such products for many years, combined with the application of academic theory, actively researched and innovated, in order to create a new structure of LED Diffusion light emitting module, through continuous research, design, and after repeated trial production and improvement, finally created the utility model with real practical value.

Contents of the invention

The purpose of this utility model is to overcome the defects existing in the existing lighting equipment, and provide a LED diffusion lighting module with a new structure. The light-emitting module with unique characteristics can solve the problem of increased replacement cost and safety caused by the impact and breakage of the existing lamp tube, which is very suitable for practical use.

Another object of the present invention is to provide a new structure of LED diffusion light-emitting module, the technical problem to be solved is to make it emit light through the principle of excitation and diffusion, and solve the problem of the existing cold-cathode lamp tube containing a trace amount of mercury vapor. The resulting waste environmental issues, and make it comply with the RoHS regulated hazardous substance restrictions, which is more suitable for practical use.

The purpose of this utility model and the solution to its technical problems are achieved by adopting the following technical solutions. According to the utility model, an LED diffusion lighting module is proposed, which includes: a light-transmitting body having a first end and a second end, wherein a fluorescent powder and a diffusion powder are coated; an LED device, fixed At the first end, it includes a light-emitting part and a base part, wherein the light-emitting part is arranged on the base part and is wrapped in the light-transmitting body, so that the scattered light excites the coating on the light-transmitting body. Phosphor powder in the light body; and a light reflector fixed on the second end for reflecting light diffused in the light-transmitting body.

The purpose of this utility model and the solution to its technical problems can also be further realized by adopting the following technical measures.

In the above-mentioned LED diffusion lighting module, the light-transmitting body is polycarbonate resin (PC).

In the aforementioned LED diffused lighting module, the light-permeable body is polymethyl methacrylate (PMMA).

In the aforementioned LED diffusion lighting module, the light reflector is a metal.

In the aforementioned LED diffusion lighting module, the metal is silver.

In the aforementioned LED diffusion lighting module, the metal is aluminum.

The purpose of the utility model and its technical problem solving also adopt the following technical schemes to realize. According to the utility model, an LED diffusion lighting module is proposed, which includes: a light-transmitting body coated with a phosphor powder and a diffusing powder; and at least one LED device fixed on the end of the light-transmitting body , each of the LED devices comprises a light-emitting part and a base part, wherein the light-emitting part is arranged on the base part and is wrapped in the light-transmissible body, so that the scattered light excites the light-emitting part coated on the light-transmissible body. Fluorescent powder in the body.

The purpose of this utility model and the solution to its technical problems can also be further realized by adopting the following technical measures.

In the above-mentioned LED diffusion lighting module, the light-transmitting body is polycarbonate resin (PC). In the aforementioned LED diffused lighting module, the light-permeable body is polymethyl methacrylate (PMMA).

Compared with the prior art, the utility model has obvious advantages and beneficial effects. It can be seen from the above that, in order to achieve the above purpose, the utility model proposes an LED diffusion lighting module, which includes a light-transmitting body and at least one LED device. The LED device is fixed on the end of the transparent body. Preferably, the LED device has a light-emitting part and a base part, wherein the light-emitting part is arranged on the base part and is covered by a light-transmitting body therein. In addition, the translucent body is further coated with phosphor powder and diffusion powder, and the phosphor powder coated in the translucent body is excited by the scattered light of the light-emitting part of the LED device coated in the translucent body to achieve light diffusion. Effect. The light-permeable body is a transparent optical material, such as polycarbonate resin (PC) or polymethyl methacrylate (PMMA), which has better plasticity and is not easily broken.

With the above technical solution, the utility model LED diffusion lighting module has at least the following advantages and beneficial effects:

1. The LED diffused light emitting module of the present invention utilizes an LED device emitting a point light source, and transforms it into a surface light source by the principle of excitation and diffusion, which can improve the luminous efficiency.

2. The light-transmitting body of the LED diffusion light-emitting module of the present invention is polycarbonate resin (PC) or polymethyl methacrylate (PMMA), which has better plasticity and is not easily broken. Therefore, its application range is increased, and the safety of products can be improved.

3. The utility model LED diffusion light-emitting module, which makes it emit light by the principle of excitation and diffusion, can solve the problem of waste and environmental protection caused by the existing cold-cathode lamp tubes containing traces of mercury vapor, and can comply with RoHS regulations Hazardous substance restrictions.

To sum up, the utility model relates to an LED diffusion lighting module, which includes a light-transmitting body, a first LED device and a second LED device. The first LED device and the second LED device are respectively fixed on two ends of the transparent body. The translucent body is further coated with phosphor powder and diffusion powder, and the phosphor powder coated in the translucent body is excited by the scattered light of the first LED device and the second LED device coated in the translucent body. The effect of light diffusion can be achieved. The light-emitting module of the utility model has better plasticity and is not easy to be broken, and can solve the problem of increased replacement cost and safety caused by the impact and breakage of the existing lamp tube by external force; it emits light through the principle of excitation and diffusion, It can solve the waste environmental protection problem caused by the existing cold-cathode lamp tubes containing a trace amount of mercury vapor, and make it comply with the restrictive conditions of harmful substances regulated by RoHS. The utility model has the above-mentioned many advantages and practical value, it has great improvement no matter in product structure or function, has remarkable progress in technology, and has produced easy-to-use and practical effects, so it is more suitable for practical use, and It has wide application value in the industry, and it is a novel, progressive and practical new design.

The above description is only an overview of the technical solutions of the present utility model. In order to better understand the technical means of the present utility model, it can be implemented according to the contents of the description, and in order to make the above-mentioned and other purposes, features and advantages of the present utility model better It is obvious and easy to understand. The preferred embodiments are specifically cited below, together with the accompanying drawings, and detailed descriptions are as follows.

Description of drawings

Fig. 1 is a schematic structural diagram of an LED diffusion lighting module according to the first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an LED diffusion lighting module according to a second embodiment of the present invention.

Fig. 3 is a schematic diagram of a neon advertising billboard using the new LED diffused lighting module.

100: Light-emitting module 110: Translucent body

111: First end 114: Diffusion powder

115: phosphor 116: second end

130: LED device 131: Light emitting part

136: base 150: light reflector

200: Light-emitting module 210: Translucent body

211: First end 214: Diffusion powder

215: phosphor 216: second end

230: LED device 231: Light emitting part

236: Base 250: LED device

251: Luminous part 256: Base

Detailed ways

In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the invention, the specific implementation, structure and characteristics of the LED diffusion light-emitting module proposed according to the utility model will be described below in conjunction with the accompanying drawings and preferred embodiments. And its effect, detailed description is as follows.

Please refer to FIG. 1 , which is a schematic structural diagram of the LED diffused lighting module according to the first embodiment of the present invention. The LED diffusion lighting module 100 includes a light-transmissible body 110 , an LED device 130 and a light reflector 150 .

The above-mentioned transparent body 110 has a first end 111 and a second end 116 , wherein the LED device 130 is fixed on the first end 111 , and the light reflector 150 is fixed on the second end 116 .

The aforementioned LED device 130 has a light emitting portion 131 and a base portion 136 , wherein the light emitting portion 131 is disposed on the base portion 136 and covered by the light-transmitting body 110 therein.

In addition, the above-mentioned light-transmitting body 110 is further coated with phosphor powder 115 and diffusing powder 114, and the scattered light coated in the light-transmitting body 110 is excited by the scattered light of the light emitting part 131 coated in the light-transmitting body 110. The fluorescent powder 115 achieves the effect of light diffusion, and then utilizes the light reflector 150 disposed at the other end to concentrate the diffused light in the transparent body 110 .

In this embodiment, the light-permeable body 110 is made of transparent optical material, such as polycarbonate resin (PC) or polymethyl methacrylate (PMMA). Polycarbonate resin (PC) and polymethyl methacrylate (PMMA) have better plasticity in processing and molding, so various shapes of light bars can be formed according to product design and customer needs. In addition, compared with the existing lamp tube, it also has the property that it is not easily broken. The light reflector 150 is metal, such as silver or aluminum, which has better light reflection properties. The color of light scattered by the light-emitting portion 131 of the LED device 130 can be adjusted according to the needs of the fluorescent powder 115 in the light-transmissible body 110 .

Please refer to FIG. 2 , which is a schematic structural diagram of the LED diffusion lighting module according to the second embodiment of the present invention. The LED diffusion lighting module 200 includes a light-transmissible body 210, a first LED device 230 and a second LED device 250, wherein the first LED device 230 and the second LED device 250 are respectively fixed on the light-transmissible body The first end 211 and the second end 216 of the 210 .

The above-mentioned first LED device 230 has a light-emitting part 231 and a base part 236 , wherein the light-emitting part 231 is disposed on the base part 236 and covered by the light-transmittable body 210 therein.

The above-mentioned second LED device 250 has a light-emitting part 251 and a base part 256 , wherein the light-emitting part 251 is disposed on the base part 256 and covered by the light-transmissible body 210 therein.

The above-mentioned transparent body 210 is coated with phosphor powder 215 and diffusion powder 214, and is excited by light scattered by the first LED device 230 and the second LED device 250 disposed at the first end 211 and the second end 216. The fluorescent powder 215 coated in the transparent body 210 can achieve the effect of light diffusion. This embodiment is designed to solve the problem of light uniformity caused when the distance between the first end 211 and the second end 216 of the light-permeable body 210 is too long.

Please refer to FIG. 3 , which is a schematic diagram of a neon advertising billboard applying the LED diffusion lighting module of the present invention. By using the LED device in combination with the luminous properties of the phosphor powder and the molding properties of the light-transmissible body 110 , various shapes of signs, characters or patterns can be produced.

From the above, it can be seen that the LED diffusion light-emitting module of the present invention has the following functions and advantages:

1. The LED diffusion lighting module of the present invention uses the first LED device 230 and the second LED device 250 emitting point light sources to transform them into surface light sources through excitation and diffusion principles, which can improve luminous efficiency.

2. The light-transmitting body 110 of the LED diffusion lighting module of the present invention is polycarbonate resin (PC) or polymethyl methacrylate (PMMA), which has better plasticity and is not easily broken. Features, so that the scope of application increases, and can improve product safety.

3. The LED diffusion light-emitting module of the present invention makes it emit light by the principle of excitation and diffusion, which can solve the problem of waste and environmental protection caused by the existing cold-cathode lamp tubes containing traces of mercury vapor, and can comply with RoHS regulations Hazardous substance restrictions.

The above are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those skilled in the art can use the technical content disclosed above to make some changes or modify them into equivalent embodiments without departing from the technical solution of the present utility model. Content, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (9)

1. a LED spreads illuminating module, it is characterized in that it comprises:

One light-permeable body has one first end and one second end, wherein is coated with a fluorescent material and a spread powder;

One LED matrix is fixed in this first end, comprises an illuminating part and a base portion, and wherein this illuminating part is to be arranged on this base portion and to be coated in this light-permeable body, so that the light of its scattering excites the fluorescent material of coating in this light-permeable body; And

One light reflector is fixed in this second end, is spread in this light-permeable body in order to reverberation.

2. LED diffusion illuminating module according to claim 1 is characterized in that wherein said light-permeable body is to be polycarbonate resin (PC).

3. LED diffusion illuminating module according to claim 1 is characterized in that wherein said light-permeable body is to be polymethyl methacrylate (PMMA).

4. according to claim 1,2 or 3 described LED diffusion illuminating module, it is characterized in that wherein said light reflector is to be a metal.

5. LED diffusion illuminating module according to claim 4 is characterized in that wherein said metal is to be silver.

6. LED diffusion illuminating module according to claim 4 is characterized in that wherein said metal is to be aluminium.

7. a LED spreads illuminating module, it is characterized in that it comprises:

One light-permeable body wherein is coated with a fluorescent material and a spread powder; And

At least one LED matrix, be fixed in the end of this light-permeable body, respectively this LED matrix comprises an illuminating part and a base portion, and wherein this illuminating part is to be arranged on this base portion and to be coated in this light-permeable body, so that the light of its scattering excites the fluorescent material of coating in this light-permeable body.

8. LED diffusion illuminating module according to claim 7 is characterized in that wherein said light-permeable body is to be polycarbonate resin.

9. LED diffusion illuminating module according to claim 7 is characterized in that wherein said light-permeable body is to be polymethyl methacrylate.

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