CN201340854Y

CN201340854Y - Improved high-color-rendering light-emitting diode structure

Info

Publication number: CN201340854Y
Application number: CNU2008201765458U
Authority: CN
Inventors: 吴明昌; 温志钧; 魏志宏
Original assignee: High Power Lighting Corp
Current assignee: High Power Lighting Corp
Priority date: 2008-11-25
Filing date: 2008-11-25
Publication date: 2009-11-04
Anticipated expiration: 2018-11-25

Abstract

The utility model discloses an improved high-color-rendering light-emitting diode structure, which comprises a base plate, a plurality of first crystal grains, fluorescent glue, at least one second crystal grain and a transparent layer, wherein one surface of the base plate is provided with a plurality of grooves; the first crystal grains are respectively arranged in the grooves and can emit blue light; the fluorescent glue is filled in the grooves; the second crystal grain which can emit red light is arranged at the proper position of the base plate and electrically connected with the first crystal grains; and the transparent layer is arranged on one surface of the base plate and covers the first crystal grains, the fluorescent glue and the second crystal grain. Therefore, through mixing the light emitted from the first crystal grains and the fluorescent glue with the light emitted from the second crystal grain, the light-emitting diode can obtain high color rendering, thereby obtaining the effect of emitting warm white light from the transparent layer.

Description

A kind of improved high color rendering light emitting diode structure

Technical field

A kind of improved high color rendering light emitting diode structure relates to a kind of first crystal grain, fluorescent glue of utilizing in use and cooperates with the mixed light of second crystal grain, makes this light-emitting diode obtain high color rendering, and reaches the effect of being launched the warm white light source by photic zone.

Background technology

General white light-emitting diodes 6 (referring to Fig. 3), it comprises a printed circuit board (PCB) with at least one groove 611 61, light-emitting component 62, that are bonded in this groove 611 are inserted first sizing material 63 in this groove 611, wherein this light-emitting component 62 can be in order to producing a blue light, and this first sizing material 63 comprises at least one yellow fluorescent powder; Thus, can utilize the blue light of this light-emitting component 62 and the yellow fluorescent powder of first sizing material 63 to interact, and produce required white light.

Though above-mentioned white light-emitting diodes 6 commonly used can utilize light-emitting component 6 and cooperating of first sizing material 63 to produce required white light, but because the light-emitting component 62 of this blue light is relatively poor with yellow both color renderings of first sizing material 63, and can't produce the light source of positive white light in the mode of mixed light, make its light source that sends deflection cyan light on the contrary, be not the light source that sends positive white light, and make this white light-emitting diodes 6 can't reach declare to send the effect of white light.

The utility model content

Technical problem to be solved in the utility model is to overcome the defective of above-mentioned prior art, a kind of improved high color rendering light emitting diode structure is provided, utilize first crystal grain, fluorescent glue to cooperate during use with the mixed light of second crystal grain, make this light-emitting diode obtain high color rendering, and reach the effect of launching the warm white light source by photic zone.

A kind of improved high color rendering light emitting diode structure according to the utility model provides comprises:

A substrate has a plurality of grooves on its one side;

A plurality of first crystal grain are located at respectively in each groove of substrate, and each first crystal grain can send blue light;

A plurality of fluorescent glues are inserted respectively in each groove of substrate;

At least one second crystal grain is located at the appropriate location of substrate and is electrically connected with first crystal grain, and this second crystal grain can be for sending ruddiness; And

A photic zone is located on the one side of substrate, and each first crystal grain, fluorescent glue and second crystal grain are coated.

A kind of improved high color rendering light emitting diode structure that provides according to the utility model also has following attached technical characterictic:

This substrate is made for can be heat sink materials such as aluminium, copper.

At least include yellow and green emitting phosphor in each fluorescent glue.

This photic zone is for can be wet look or printing opacity cloudy surface.

It is made that this photic zone can be printing opacity colloids such as epoxy resin, silica gel.

Description of drawings

Fig. 1 is the utility model vertical view generalized section;

Fig. 2 is the utility model side-looking state generalized section;

Fig. 3 is the prior art generalized section;

Wherein:

Substrate-1, groove-11, first crystal grain-2, fluorescent glue-3, second crystal grain-4, photic zone-5 white light-emitting diodes-6, printed circuit board (PCB)-61, groove-611, light-emitting component-62, first sizing material-63.

Embodiment

Referring to Fig. 1, Fig. 2, it is respectively the state of the overlooking generalized section of the utility model first embodiment and the side-looking state generalized section of the utility model first embodiment.As shown in the figure: a kind of improved high color rendering light emitting diode structure that the utility model provides, it is made of a substrate 1, a plurality of first crystal grain 2, a plurality of fluorescent glue 3, at least one second crystal grain 4 and a photic zone 5 at least.

Have a plurality of grooves 11 on described substrate 1 its one side, and this substrate 1 can be heat sink materials such as aluminium, copper and makes.

Each first crystal grain 2 is located at respectively in each groove 11 of substrate 1, and each first crystal grain 2 can be for sending blue light.

Each fluorescent glue 3 is inserted respectively in each groove 11 of substrate 1, and includes yellow and green emitting phosphor at least in each fluorescent glue 3.

This second crystal grain 4 is located at the appropriate location of substrate 1 and is electrically connected with first crystal grain 2, and this second crystal grain 4 can be for sending ruddiness.

This photic zone 5 is located on the one side of substrate 1, and each first crystal grain 2, fluorescent glue 3 and second crystal grain 4 are coated, and this photic zone 5 can be the state of wet look or printing opacity cloudy surface, and it is made that this photic zone 5 can be printing opacity colloids such as epoxy resin, silica gel.Thereby constitute a brand-new high color rendering light emitting diode structure.

When the utility model in use, it can be used for (figure does not show) on the circuit board of associated electrical utensil, the enterprising line light source of light-emitting diode is launched employed electric power to be provided by electronic apparatus, when light-emitting diode of the present utility model is switched on, make first crystal grain 2 and second crystal grain 4 simultaneously luminous, the blue light that makes each first crystal grain 2 be sent thus see through yellow in the fluorescent glue 3 or green emitting phosphor carry out a colour mixture after, the ruddiness that is sent with second crystal grain 4 carries out the secondary colour mixture again, so can make this light-emitting diode obtain high color rendering, launch the light source of warm white by photic zone 5.

In sum, a kind of improved high color rendering light emitting diode structure of the utility model, can when using, utilize first crystal grain, fluorescent glue to cooperate with the mixed light of second crystal grain, make this light-emitting diode obtain high color rendering, and reach the effect of launching the warm white light source by photic zone, and then make generation of the present utility model can more progressive, more practical, more meet the required of user.

The foregoing description only is the utility model preferred embodiment, can not limit protection range of the present utility model with this; Every simple equivalent of doing according to the utility model patent application protection range and description thereof changes and modifies, and all should belong in the scope that the utility model patent contains.

Claims

1, a kind of improved high color rendering light emitting diode structure, it comprises:

A substrate has a plurality of grooves on its one side;

A plurality of first crystal grain are located at respectively in each groove of substrate, and each first crystal grain can be for sending blue light;

A photic zone, it is located on the one side of substrate, and each first crystal grain, fluorescent glue and second crystal grain are coated.

2, a kind of improved high color rendering light emitting diode structure according to claim 1, wherein, this substrate is that heat sink material is made.

3, a kind of improved high color rendering light emitting diode structure as claimed in claim 2, wherein said heat sink material is aluminium or copper.

4, a kind of improved high color rendering light emitting diode structure according to claim 1 wherein, includes yellow and green emitting phosphor at least in each fluorescent glue.

5, a kind of improved high color rendering light emitting diode structure according to claim 1, wherein, this photic zone is wet look or printing opacity cloudy surface.

6, a kind of improved high color rendering light emitting diode structure according to claim 1, wherein, this photic zone is made by the printing opacity colloid.

7, a kind of improved high color rendering light emitting diode structure as claimed in claim 6, wherein, described printing opacity colloid is epoxy resin or silica gel.