CN2689046Y - LED assembled white light device - Google Patents
LED assembled white light device Download PDFInfo
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- CN2689046Y CN2689046Y CNU2004200451154U CN200420045115U CN2689046Y CN 2689046 Y CN2689046 Y CN 2689046Y CN U2004200451154 U CNU2004200451154 U CN U2004200451154U CN 200420045115 U CN200420045115 U CN 200420045115U CN 2689046 Y CN2689046 Y CN 2689046Y
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- lamp
- light emitting
- emitting diode
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Abstract
The utility model relates to an LED combined white light lamp which solves the problem that no combined white light lamp can satisfy illuminating requirements in the prior art. In the utility model, a plurality of blue light LEDs are arranged on a circuit board which is installed in a lamp holder, a light-admitting lamp cover is also installed on the lamp holder, and simultaneously, the inner wall of the lamp cover is also coated with a layer of fluorescent substances which can emit yellow light complementary with blue light when irradiated by the blue light. After blue light emitted by the LEDs and yellow light emitted by the fluorescent substances after the fluorescent substances are irradiated by the blue light are mutually mixed, white light required by illumination can be generated, wherein, a drive circuit can also be arranged on the circuit board, or the tail part of the lamp holder is provided with a lamp cap for leading in the working power supply and the power input terminal of the drive circuit on the circuit board is electrically connected with the lamp cap. The white light lamp of the utility model has the advantages of simple structure, low production cost, high light emitting efficiency, long service life, low driving voltage, energy and electricity saving, etc.
Description
Technical field
The utility model relates to illuminating lamp, more particularly, relates to a kind of white light that is formed by a plurality of light emitting diode combined.
Background technology
Illuminating lamp commonly used at present has incandescent lamp, fluorescent lamp, halogen tungsten lamp etc.Wherein, incandescent lamp is made up of glass shell, the crown top of burner of being contained in the tungsten filament on the glass column and surrounding them etc.Can make the tungsten filament heating to turning white-hot to the electric current after the incandescent lamp energising by tungsten filament, thereby reach illumination effect.When temperature reaches about 500 ℃, begin to occur visible spectrum and send ruddiness, along with the raising of temperature, its light that sends is become orange-yellow by redness, send white light at last.The same heat radiation light source bulb that belongs to of halogen tungsten lamp with incandescent lamp, it is to charge into small amount of halide in incandescent lamp bulb that hard glass or quartz glass are made or fluorescent tube, utilize the halogen tungsten circulation theory, mediate by halogen, to move back to filament by the tungsten attached to the glass inwall of filament evaporation, thereby improve the luminous efficiency and the service life of halogen tungsten lamp, and volume greatly reduces than incandescent lamp.In gas-discharge lamps such as fluorescent lamp, the energy that consumes during its gas discharge mainly is converted into the electromagnetic radiation of ultraviolet region, and about 3% energy is converted into visible light.After ultra-violet radiation shone on the fluorescent coating of bulb or tube inner wall, ultraviolet energy was absorbed by fluorescent material, and wherein major part is converted into visible light and discharges, thereby sends required white light.All there is the shortcoming that power consumption is big and the life-span is short in above-mentioned three kinds of illuminating lamps, and its average life span generally can be above 3000 hours.
Light emitting diode (LED) is a kind of semiconductor light-emitting device that can be converted to electric energy luminous energy, plurality of advantages such as it has that volume is little, luminous efficiency is high, vibration resistance, explosion-proof, long service life, driving voltage are low, energy saving, can be a kind of desirable semiconductor light sources up to more than 100,000 hours its service life generally.But existing LED can only send coloured light usually, is unsuitable for illumination and uses.Though having the SUMITOMO CHEMICAL electrician to develop with ZnSe at present is the white light LEDs of material, but its luminous efficiency is relatively poor, can not satisfy the needs of illumination.
The utility model content
At the above-mentioned defective of prior art, the utility model will solve the problem that does not meet the required light emitting diode combined white light of illumination in the prior art, and a kind of white light that is formed by a plurality of light emitting diode combined is provided.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of light emitting diode combined white light, comprise a plurality of light emitting diodes and the drive circuit that is used to drive these light emitting diodes, wherein, described each light emitting diode is arranged on the circuit board, described circuit board is installed in the lamp socket, and a transparent lamp shade also is housed on described lamp socket; Described each light emitting diode is the light emitting diode of blue light-emitting, can produce the fluorescent material with the gold-tinted of blue light complementation when the inwall of described lampshade also scribbles one deck by blue light illumination; Described blue light mixes mutually with gold-tinted can draw the required white light of illumination.
In the utility model, described fluorescent material can adopt YAG (yttrium-aluminium-garnet) fluorescent material.Wherein, described drive circuit also can be located on the described circuit board; Also can be at lamp holder that is used to introduce working power of described lamp socket afterbody installing, the power input of the drive circuit on the described circuit board is electrically connected with described lamp holder.In addition, described each light emitting diode can be arranged in circle, ellipse, square, rectangle, other polygon on circuit board, and other various patterns.
The utility model adopts luminous efficiency higher and can send the light emitting diode of blue light, and the fluorescent material that can send gold-tinted when adopting by blue light illumination again cooperates with it, thereby draws the required white light of illumination.White light of the present utility model is simple in structure, production cost is low, and has plurality of advantages such as luminous efficiency height, long service life, driving voltage are low, energy saving.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the sectional structure sketch of light emitting diode combined white light in preferred embodiment of the utility model;
Fig. 2 is the vertical view of arranging of blue-ray LED among another embodiment of the utility model;
Fig. 3 is the wherein a kind of annexation figure that drives resistance and LED in the utility model.
The specific embodiment
In the preferred embodiment of the present utility model, adopt day blue-ray LED of inferior chemical (Nichia) company production as light emitting source, experimental results show that, if with wavelength is that the 460nm blue light illumination is to the YAG fluorescent material, the wavelength that this fluorescent material can send with the blue light complementation is the gold-tinted of 555nm, if gold-tinted, the blue light of complementation are mixed, then can draw the required white light of illumination.This principle that just is being based on the utility model realizes.
A preferred embodiment of the present utility model wherein, is provided with a plurality of blue-ray LEDs 4 as shown in Figure 1 on circuit board 3, this circuit board is installed in the lamp socket 6, and a transparent lamp shade 1 also is housed on lamp socket, and its structure is similar to the cloche of ordinary incandescent lamp; On the inwall 5 of lampshade 1, can produce the fluorescent material with the gold-tinted of blue light complementation when also scribbling one deck by blue light illumination, adopt the YAG fluorescent material in the present embodiment; After the gold-tinted that the blue light that LED sends and fluorescent material send after by its irradiation mixes mutually, can draw the required white light of illumination, that is to say, what sent from lampshade 1 is the white light that is suitable for throwing light on.In the present embodiment, the drive circuit of LED also has been located on the circuit board 3; Simultaneously, also establish a lamp holder 2 that is used to introduce working power at the afterbody of lamp socket 6, the power input of the drive circuit on the circuit board then is electrically connected by the lead lamp holder.
During concrete enforcement, LED wherein can be arranged in various patterns on circuit board, and for example circle, ellipse, square, triangle, other polygon and other various patterns are illustrated in figure 2 as wherein a kind of arrangement mode.And the number of LED can suitably increase or reduce according to factors such as the required brightness of illumination.
Be illustrated in figure 3 as the annexation schematic diagram that drives in the preferred embodiment of the present utility model between resistance and the LED, wherein each resistance and a LED are composed in series a branch road, and be parallel with one another again between each branch road.Certainly, can also adopt other different connected mode.In addition, can be incorporated into lamp holder 2 by directly that LED is required dc supply in the utility model; Also can earlier the mains ac power supply be incorporated into lamp holder, on circuit board 3, step-down rectifying circuit be set then, so that required dc supply to be provided.
White light of the present utility model is simple in structure, production cost is low, and has luminous efficiency height, use The plurality of advantages such as the life-span is long, driving voltage is low, energy saving.
Claims (5)
1, a kind of light emitting diode combined white light comprises a plurality of light emitting diodes and the drive circuit that is used to drive these light emitting diodes, it is characterized in that,
Described each light emitting diode is arranged on the circuit board, and described circuit board is installed in the lamp socket, and a transparent lamp shade also is housed on described lamp socket; Described each light emitting diode is the light emitting diode of blue light-emitting, can produce the fluorescent material with the gold-tinted of blue light complementation when the inwall of described lampshade also scribbles one deck by blue light illumination, and described blue light mixes mutually with gold-tinted can draw the required white light of illumination.
2, light emitting diode combined according to claim 1 is characterized in that from light modulation, and described fluorescent material is the YAG fluorescent material.
3, light emitting diode combined white light according to claim 2 is characterized in that, described drive circuit also is arranged on the described circuit board.
4, light emitting diode combined white light according to claim 3 is characterized in that, at described lamp socket afterbody a lamp holder that is used to introduce working power is housed also, and the power input of the drive circuit on the described circuit board is electrically connected with described lamp holder.
5, light emitting diode combined white light according to claim 4 is characterized in that, described each light emitting diode is arranged in circle, ellipse or polygon pattern on described circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200451154U CN2689046Y (en) | 2004-04-21 | 2004-04-21 | LED assembled white light device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200451154U CN2689046Y (en) | 2004-04-21 | 2004-04-21 | LED assembled white light device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2689046Y true CN2689046Y (en) | 2005-03-30 |
Family
ID=34672017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200451154U Expired - Fee Related CN2689046Y (en) | 2004-04-21 | 2004-04-21 | LED assembled white light device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2689046Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022630A (en) * | 2009-09-17 | 2011-04-20 | 江苏日月照明电器有限公司 | Space isolation technology for LED and phosphor powder |
| CN102252191A (en) * | 2011-06-20 | 2011-11-23 | 烟台红壹佰照明有限公司 | Yttrium aluminum garnet (YAG) fluorescent light-emitting diode (LED) bulb lamp |
| CN102691904A (en) * | 2012-04-24 | 2012-09-26 | 厦门阳光恩耐照明有限公司 | Light emitting device with adjustable color temperature and color rendering index and lamp provided with light emitting device |
| US9739444B2 (en) | 2007-03-05 | 2017-08-22 | Intematix Corporation | Light emitting diode (LED) based lighting systems |
-
2004
- 2004-04-21 CN CNU2004200451154U patent/CN2689046Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9739444B2 (en) | 2007-03-05 | 2017-08-22 | Intematix Corporation | Light emitting diode (LED) based lighting systems |
| CN102022630A (en) * | 2009-09-17 | 2011-04-20 | 江苏日月照明电器有限公司 | Space isolation technology for LED and phosphor powder |
| CN102252191A (en) * | 2011-06-20 | 2011-11-23 | 烟台红壹佰照明有限公司 | Yttrium aluminum garnet (YAG) fluorescent light-emitting diode (LED) bulb lamp |
| CN102252191B (en) * | 2011-06-20 | 2015-01-28 | 烟台红壹佰照明有限公司 | Yttrium aluminum garnet (YAG) fluorescent light-emitting diode (LED) bulb lamp |
| CN102691904A (en) * | 2012-04-24 | 2012-09-26 | 厦门阳光恩耐照明有限公司 | Light emitting device with adjustable color temperature and color rendering index and lamp provided with light emitting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050330 |