CN2726128Y - High-brightness LED structure - Google Patents

Abstract

The utility model relates to a high-brightness LED structure which comprises a base, a light reflecting cup, a plurality of chips, an adhesive layer, a lens body and a silica gel layer, wherein, a plurality of power connecting pins are arranged on the base. The light reflecting cup is correspondingly arranged in the base, and the bottom surface of the light reflecting cup is exposed out of the base. A concave section is formed in the light reflecting cup. All the chips are arranged on the concave section of the light reflecting cup, and all the chips are respectively and cooperatively connected with each power connecting pin. The adhesive layer (the adhesive layer can adopt PPA, LCP... engineering plastics) coats and binds the light reflecting cup in the base, each corresponding electrical connection chip, lead and the power connecting pins. The bottom surface of the light reflecting cup is exposed out of the adhesive layer, and each extensive power connecting pin on both sides of the base also extends and exposes out of the adhesive layer. The circumference of the bottom surface of the lens body is provided with an extending block, and the extending block is mutually and correspondingly bound with the base. The silica gel is laid between the bottom surface of the lens body and the base. Thereby, the high-brightness LED structure provides the secondary mixed light so that the perfect uniform luminance can appear.

Description

High-brightness LED construction

Technical field

The utility model relates to a kind of high-brightness LED construction, especially refer to a kind of by set each color chip (as: red, blue, green three color chips) in the depressed part of reflector, so that mixed light for the first time to be provided, again by of the design of periphery set extension block in mirror body bottom surface with the mutual corresponding combination of pedestal, and after making light source through the mirror body, reach the effect of mixed light for the second time, cause to present excellent uniform luminance, and be applicable to large-scale display board, sales field, display lighting, various advertisement plate, lighting tool and backlight ... wait or the structure of similar articles.

Background technology

General existing light-emitting diode (as shown in Figure 5), it is provided with a pedestal 8, these pedestal 8 both sides respectively are provided with power pin 81, form a depressed part 82 on this pedestal 8, be equipped with each color chip 83 on this depressed part 82, and each color chip 83 is coupled to each power pin 81 with lead 84 respectively, establish with light-permeable colloid 85 envelopes again and form, so constitute a light-emitting diode, though above-mentioned light-emitting diode can have the effect of mixed light by the light source of each color chip 83, because of only having mixed light one time, and can't provide preferable uniform luminance, so on using, reality still do not meet the required of user.

Summary of the invention

Main purpose of the present utility model is to overcome the deficiencies in the prior art and defective, a kind of high-brightness LED construction is provided, be provided with each color chip in the depressed part by reflector, and mixed light for the first time can be provided, be provided with the mirror body of extension block and the design of the mutual corresponding combination of pedestal by the bottom surface periphery again, and after making light source through the mirror body, reach the effect of mixed light for the second time, cause to the utlity model has excellent uniform luminance, increase its practicality.

Another purpose of the present utility model is to provide a kind of high-brightness LED construction, by mirror body bottom surface periphery set extension block and the mutual corresponding combination of pedestal, and is provided with in this both sides, mirror body bottom surface and escapes gas port, in order to the encapsulating exhaust.

For reaching above-mentioned purpose, the utility model provides a kind of high-brightness LED construction, includes a pedestal, a reflector, several chips, a glue-line, a mirror body and a layer of silica gel.This pedestal is provided with power pin; This reflector correspondence is located in the pedestal, and this reflector bottom surface exposes to pedestal, forms a depressed part in this reflector; Each chip is arranged in the depressed part of this reflector, and is coupled to each power pin with lead respectively; This glue-line envelope is established in conjunction with the reflector in this pedestal, each corresponding chip, lead and power pin that electrically connects, and this reflector bottom surface exposes to outside this glue-line, and each power pin that extends of these pedestal both sides also extends and exposes to outside this glue-line; This mirror body bottom surface periphery is provided with extension block, and with the mutual corresponding combination of pedestal; This layer of silica gel is laid between mirror body bottom surface and the pedestal; Thus, so that being provided, the secondary mixed light presents excellent uniform luminance.

Above-mentioned and other purpose and advantage of the present utility model are not difficult to obtain to understand in depth from the detailed description and accompanying drawing of following selected embodiment.

Certainly, the utility model is at some in addition on part, or allows in the arrangement of part differently in addition, but selected embodiment then in this specification, described in detail, and shows its structure in accompanying drawing.

Description of drawings

Fig. 1 is the stereo appearance figure of the utility model embodiment;

Fig. 2 is the three-dimensional assembly exploded view of the utility model embodiment;

Fig. 3 is the generalized section of the utility model embodiment;

Fig. 4 is the light source uniformity distribution schematic diagram of the utility model embodiment;

Fig. 5 is the use schematic diagram of prior art embodiment.

Symbol description among the figure

1 pedestal

11 power pins, 12 grooves

2 reflectors

21 depressed parts 22 extend teat

3 chips

4 leads

5 glue-lines

6 mirror bodies

61 extension blocks, 62 extension blocks

63 escape gas port

7 layer of silica gel

8 pedestals

81 power pins, 82 depressed parts

83 chips, 84 leads

85 colloids

Embodiment

Now describe the utility model in detail in the back with a preferred embodiment and conjunction with figs.:

See also Fig. 1～3, the utility model is a kind of high-brightness LED construction, and this high-brightness LED construction comprises:

One pedestal 1, this pedestal 1 is provided with power pin 11, and pedestal 1 madial wall correspondence is provided with groove 12.

One reflector 2, these reflector 2 correspondences are located in the pedestal 1, mutually combine and form, these reflector 2 bottom surfaces expose to pedestal 1, form depressed parts 21 in this reflector 2, these reflector 2 top peripheries form and extend teats 22, and this reflector 2 can be pottery, plastics or metal material and makes.

Several chips 3, each chip 3 is arranged in the depressed part 21 of this reflector 2, and is coupled to each power pin 11 with lead 4 respectively.Wherein, be provided with red, blue, green three color chips 3 in the depressed part 21 of this reflector 2 at least.

One glue-line 5 (this glue-line can adopt PPA, LCP... engineering plastics), these glue-line 5 envelopes are established in conjunction with the reflector 2 in this pedestal 1, each corresponding chip 3, lead 4 and power pin 11 that electrically connects, and these reflector 2 bottom surfaces expose to outside this glue-line 5, and each power pin 11 that extends of these pedestal 1 both sides also extends and exposes to outside this glue-line 5.

One mirror body 6, these mirror body 6 bottom surface peripheries are provided with extension block 61,62, and with pedestal 1 mutual corresponding combination, these mirror body 6 bottom surfaces are provided with escapes gas port 63, in order to the encapsulating exhaust.

One layer of silica gel 7, this layer of silica gel 7 is laid between mirror body 6 bottom surfaces and the pedestal 1.

Constitute a kind of high-brightness LED construction by above-mentioned structure, see also Fig. 1～4, characteristics of the present utility model are to be provided with at least in can the depressed part 21 by reflector 2 red, blue, green three color chips 3, and mixed light for the first time can be provided, be provided with extension block 61 by the bottom surface periphery again, 62 the mirror body 6 and the design of pedestal 1 mutual corresponding combination, and after making light source through mirror body 6, reach the effect of mixed light for the second time, cause and present excellent uniform luminance, see also Fig. 4, the utility model the experiment proved that the utility model is after the design that adds mirror body 6, and the light source of this light-emitting diode in ± 45 degree is even distribution shape; In addition,, and be provided with in these both sides, mirror body 6 bottom surface and escape gas port 63,, feasiblely the utlity model has excellent uniform luminance effect, increase its practicality in order to the encapsulating exhaust by mirror body 6 bottom surface peripheries set extension block 61,62 and pedestal 1 mutual corresponding combination.

The above only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this; So all simple equivalent of doing according to the utility model claims and description change and modify, all should still belong in the scope that the utility model patent contains.

Claims (4)

1. a high-brightness LED construction is characterized in that, this high-brightness LED construction comprises:

One pedestal, this pedestal is provided with power pin;

One reflector, this reflector correspondence is located in the pedestal, mutually combines and form, and this reflector bottom surface exposes to pedestal, forms a depressed part in this reflector;

Chip, each chip is arranged in the depressed part of this reflector, and is coupled to each power pin with lead respectively;

One glue-line, this glue-line envelope are established in conjunction with the reflector in this pedestal, each corresponding chip, lead and power pin that electrically connects, and this reflector bottom surface exposes to outside this glue-line, and each power pin that extends of these pedestal both sides also extends and exposes to outside this glue-line;

One mirror body, this mirror body bottom surface periphery is provided with extension block, and with the mutual corresponding combination of pedestal; And

One layer of silica gel, this layer of silica gel is laid between mirror body bottom surface and the pedestal.

2. high-brightness LED construction as claimed in claim 1 is characterized in that, this mirror body bottom surface is provided with escapes gas port, in order to the encapsulating exhaust.

3. high-brightness LED construction as claimed in claim 1 is characterized in that, this reflector top periphery forms and extends teat, and pedestal madial wall correspondence is provided with groove, for the corresponding combination with pedestal of reflector.

4. high-brightness LED construction as claimed in claim 1 is characterized in that, is provided with red, blue, green three color chips in the depressed part of this reflector.

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