CN101012916A - Lamp using LED as light source - Google Patents

Lamp using LED as light source Download PDF

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Publication number
CN101012916A
CN101012916A CNA2007100670840A CN200710067084A CN101012916A CN 101012916 A CN101012916 A CN 101012916A CN A2007100670840 A CNA2007100670840 A CN A2007100670840A CN 200710067084 A CN200710067084 A CN 200710067084A CN 101012916 A CN101012916 A CN 101012916A
Authority
CN
China
Prior art keywords
led
light
shell
converting
light source
Prior art date
Application number
CNA2007100670840A
Other languages
Chinese (zh)
Inventor
诸建平
Original Assignee
诸建平
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 诸建平 filed Critical 诸建平
Priority to CNA2007100670840A priority Critical patent/CN101012916A/en
Publication of CN101012916A publication Critical patent/CN101012916A/en

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Abstract

The invention discloses a lamp whose light supply is LED, comprises a LED, a light converting material, a transparent element and a case. The face of transparent element is fixed with the light converting material. The transparent element is fixed on the case and around the LED. Since the light converting material is not contacted with the LED, the light converting material will not be affected by the high temperature of LED, and the property of light converting material is stable.

Description

A kind of is the light fixture of light source with LED
Technical field
The present invention relates to a kind of lighting device, referring in particular to a kind of is the light fixture of light source with LED.
Technical background
Light emitting diode (light emitting diode abbreviates LED as), it is as the light source of a new generation, has energy-saving and environmental protection, an advantage such as the life-span is long, light efficiency is high, radiationless, shock resistance, and this all is that conventional light source is incomparable.
At present, the LED light fixture has begun to rise on the market, though light fixture specification, shape and color etc. is of a great variety, the heat dissipation problem of LED and optical problem but affect the application and the popularization of LED light fixture always.
Aspect heat radiation, problem mainly concentrates on the lamp applications of great power LED.Because only some is converted into luminous energy to the electric energy of input, remaining all is converted into heat energy, is not therefore having under the good heat radiating condition, and it is very high that the temperature of LED can reach, and directly has influence on its service life and light decay.Wherein especially in present white light LEDs, mainly be by applying yellow light-converting materials such as fluorescent material at the blue led chip surface, after the blue light that the blue led chip sends excites by fluorescent material, produce another kind of exciting light, with original blue light together, send a kind of white light of similar natural daylight.Like this, though you produce and process simply, light-converting materials such as fluorescent material are subjected to the temperatures involved of led chip easily, are more prone to aging, cause the optical attenuation of LED.
Aspect optics, especially adopt the light fixture of plurality of LEDs.Because LED is as a kind of spot light, therefore its brightness height is easy to generate and dazzles optical phenomenon and light pollution.In the time of in plurality of LEDs is installed in same light fixture, the colour temperature inconsistency of each LED, the whole colour temperature that mixes also just has deviation.In addition, during the plurality of LEDs illumination, occur ghost phenomena easily, especially in the application of LED street lamp, cause the visual error of people easily.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, providing a kind of is the light fixture of light source with LED.To achieve these goals, the measure that the present invention taked is: this LED light fixture is made up of LED finished product, light-converting material, Transparent Parts, shell.Described Transparent Parts surface is fixed with described light-converting material, Transparent Parts be fixed on the shell and be positioned at the LED finished product around.Wherein the LED finished product is a packaged complete product, and in the groove and jack of shell, the heat that can effectively LED be produced conducts to support and shell by the support close-fitting for it.Transparent Parts then is fixed on the shell, is positioned at around the LED, but does not contact with LED.Surface in Transparent Parts is fixed with light-converting material, especially Transparent Parts one side around LED.Light-converting material is a kind of mixture that contains fluorescent material.Because light-converting material does not contact with LED, isolate mutually, therefore more be not vulnerable to the influence of LED high temperature, performance is more stable, is difficult for aging.When especially adopting blue-ray LED, the absorption of the light-converting material by the Transparent Parts surface is sent the exciting light of another kind of wavelength and blue light that original LED sends and is mixed together the white light that sends similar daylight.
The present invention has been because light-converting material and LED finished product less than contact, have avoided light-converting material to be subjected to the influence of LED finished product high temperature, and the performance of light-converting material is more stable like this, difficult wearing out.
Optically, the present invention can fix a plurality of LED in the enclosure according to the needs of brightness.Owing to be all by the light-converting material on the same lens, therefore can increase the light-emitting area of light source, its colour temperature has better uniformity, also ghost phenomena can not occur.
The present invention can utilize the helicitic texture of bottom directly to be fixed on the heat abstractor of light fixture in use, is not subjected to the restriction of quantity, size, position, makes up arbitrarily.In maintenance,, very simple because it is simple in structure, only need carry out simple substitution to broken parts.On processing and fabricating, easier formation industrialization processing.
Described light-converting material is a kind of mixture that contains fluorescent material.
Described light-converting material is fixed on Transparent Parts surface one side around the LED.
The material of described Transparent Parts is glass, resin, acryl, polypropylene (the English PC of abbreviation) or polystyrene (the English PS of abbreviation).
Described shell is a monolithic construction.
Described case surface is provided with radiator structure.
Described shell is provided with helicitic texture with respect to the other end periphery of rim of a cup.
The material of described shell is at least a in aluminium, zinc, copper, aluminium alloy, the composite.
The rim of a cup inwall of described shell is provided with reflector layer.
The support of described LED is cylindrical shape and is provided with stationary plane.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of the embodiment of the invention
Fig. 2 is the generalized section of the embodiment of the invention
Fig. 3 is a direction stereochemical structure exploded view of the embodiment of the invention
Fig. 4 is the other direction stereochemical structure exploded view of the embodiment of the invention
The specific embodiment
As shown in Figure 1, the overall appearance of the shell 4 of present embodiment is a Lamp cup shape structure.Outer surface at rim of a cup is provided with fin 46, and for transverse horizontal distributes, when making, fin can also be for vertically distributing or random distribution certainly; And the size of rim of a cup with highly also can change according to different needs and purposes.Periphery at relative rim of a cup one end is provided with screw thread 47, and it mainly acts on is that present embodiment is fixed on other the object, for example other heat abstractor.
Fig. 2 is the profile of present embodiment.We can be clearly seen that it mainly is made up of Transparent Parts 1, light-converting material 2, LED finished product 3, shell 4 from figure.Wherein shell 4 is an all-in-one-piece structure, is provided with a reflector layer 41 at the inwall of its rim of a cup, can effectively increase the light emission rate of light.Shell 4 can adopt the die casting straight forming when making, also can carry out it is carried out back processing after its appearance moulding again.Because shell 4 adopts the integral type design, can better give play to the heat conduction and the heat dispersion of metal, this stability and light decay to LED finished product 3 has great function.
At Fig. 2, we can also see among Fig. 3, and LED finished product 3 is fixed in the jack 45 of shell 4 by its support close-fitting, and fill highly heat-conductive material in the slit of its close-fitting, and it can better be derived heat, pass to shell 4.Light-converting material 2 then is fixed on Transparent Parts 1 surface of LED finished product 3 one sides, makes light-converting material 2 in absorption and excitation source, self also can be good at being protected.Lead is welded on by wire guide 43 on the pcb board of LED finished product 3, and the electrode of LED finished product 3 is drawn.At last, 1 of Transparent Parts is fixed on by its pin 11 in the lens opening 44 of shell 4.Wherein, Transparent Parts 1 can also be selected different shapes and material for use according to the needs of the output brightness of not sharing the same light, angle and distance etc.Transparent Parts 1 surface is fixed with described light-converting material 2, Transparent Parts 1 be fixed on the shell 4 and be positioned at LED finished product 3 around.
Clearly in the drawings, light-converting material 2 does not contact with LED finished product 3, has so just avoided light-converting material 2 to be subjected to the influence of LED finished product 3, makes the performance of light-converting material 2 more stable, is difficult for aging.
Fig. 3,4 is respectively two rightabout exploded views of present embodiment.As we know from the figure, very simple of its structure only need be fixed on LED finished product 3 in the groove of shell 4 because in the slot 45 and the supports of LED finished product 3 all be provided with fixed pan, so the fixed position of LED3 and lamp housing 4 is determined.After installing LED finished product 3, with lead the electrode of LED finished product 3 is drawn, again the transparent body 1 is fixed in the lens jack 44 of shell 4 by its pin 11, get final product.
Present embodiment after the light-converting material by the Transparent Parts surface absorbs, sends the exciting light of another kind of long wave and the blue light of original blue-ray LED finished product and is mixed together when adopting the blue-ray LED finished product, can send the white light of similar daylight.
Present embodiment can utilize the helicitic texture of bottom directly to be fixed on the heat abstractor of light fixture in use, is not subjected to the restriction of quantity, size, position, makes up arbitrarily.Has formation industrialization processing simple in structure, easy to make, easier.

Claims (9)

1, a kind of is the light fixture of light source with LED, include LED finished product, light-converting material, Transparent Parts, shell, it is characterized in that described Transparent Parts surface is fixed with the described light-converting material that contains fluorescent material, Transparent Parts be fixed on the shell and be positioned at the LED finished product around.
2, according to claim 1 a kind of be the light fixture of light source with LED, it is characterized in that described light-converting material is a kind of mixture that contains fluorescent material.
3, according to claim 1 and 2 a kind of be the light fixture of light source with LED, it is characterized in that described light-converting material is fixed on Transparent Parts surface one side around the LED.
4, according to claim 1 a kind of be the light fixture of light source with LED, the material that it is characterized in that described Transparent Parts is glass, resin, acryl, PS or PC material.
5, according to claim 1 a kind of be the light fixture of light source with LED, it is characterized in that described shell is a monolithic construction.
6, according to claim 5 a kind of be the light fixture of light source with LED, it is characterized in that described case surface is provided with radiator structure, can horizontal, vertical or random distribution.
7, according to claim 5 or 6 described a kind of be the light fixture of light source with LED, it is characterized in that described shell is provided with helicitic texture with respect to the other end periphery of rim of a cup.
8, according to claim 5 a kind of be the light fixture of light source with LED, the material that it is characterized in that described shell is at least a in aluminium, zinc, copper, aluminium alloy, the pottery.
9, according to claim 5 a kind of be the light fixture of light source with LED, it is characterized in that the rim of a cup inwall of described shell is provided with reflector layer.
CNA2007100670840A 2007-02-06 2007-02-06 Lamp using LED as light source CN101012916A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007100670840A CN101012916A (en) 2007-02-06 2007-02-06 Lamp using LED as light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007100670840A CN101012916A (en) 2007-02-06 2007-02-06 Lamp using LED as light source

Publications (1)

Publication Number Publication Date
CN101012916A true CN101012916A (en) 2007-08-08

Family

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Family Applications (1)

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CNA2007100670840A CN101012916A (en) 2007-02-06 2007-02-06 Lamp using LED as light source

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009070948A1 (en) * 2007-11-30 2009-06-11 Shanghai Sansi Electronics Engineering Co., Ltd. A led lamp with modular light source
WO2011032356A1 (en) 2009-09-16 2011-03-24 大连路明发光科技股份有限公司 Light-conversion flexible polymer material and use thereof
CN102486295A (en) * 2009-10-21 2012-06-06 包建敏 Single super-power lens of light-emitting diode (LED) light source lamp
CN102971574A (en) * 2010-03-03 2013-03-13 克利公司 Solid state lamp and bulb
US9488359B2 (en) 2012-03-26 2016-11-08 Cree, Inc. Passive phase change radiators for LED lamps and fixtures
US9625105B2 (en) 2010-03-03 2017-04-18 Cree, Inc. LED lamp with active cooling element
US10359151B2 (en) 2010-03-03 2019-07-23 Ideal Industries Lighting Llc Solid state lamp with thermal spreading elements and light directing optics
US10451251B2 (en) 2010-08-02 2019-10-22 Ideal Industries Lighting, LLC Solid state lamp with light directing optics and diffuser
US10665762B2 (en) 2010-03-03 2020-05-26 Ideal Industries Lighting Llc LED lamp incorporating remote phosphor and diffuser with heat dissipation features

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009070948A1 (en) * 2007-11-30 2009-06-11 Shanghai Sansi Electronics Engineering Co., Ltd. A led lamp with modular light source
WO2011032356A1 (en) 2009-09-16 2011-03-24 大连路明发光科技股份有限公司 Light-conversion flexible polymer material and use thereof
US9068077B2 (en) 2009-09-16 2015-06-30 Dalian Luminglight Co., Ltd. Light-conversion flexible polymer material and use thereof
CN102486295A (en) * 2009-10-21 2012-06-06 包建敏 Single super-power lens of light-emitting diode (LED) light source lamp
CN102971574A (en) * 2010-03-03 2013-03-13 克利公司 Solid state lamp and bulb
US9625105B2 (en) 2010-03-03 2017-04-18 Cree, Inc. LED lamp with active cooling element
US10359151B2 (en) 2010-03-03 2019-07-23 Ideal Industries Lighting Llc Solid state lamp with thermal spreading elements and light directing optics
US10665762B2 (en) 2010-03-03 2020-05-26 Ideal Industries Lighting Llc LED lamp incorporating remote phosphor and diffuser with heat dissipation features
US10451251B2 (en) 2010-08-02 2019-10-22 Ideal Industries Lighting, LLC Solid state lamp with light directing optics and diffuser
US9488359B2 (en) 2012-03-26 2016-11-08 Cree, Inc. Passive phase change radiators for LED lamps and fixtures

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Open date: 20070808