CN202487646U - White light light-emitting diode (LED) with high color rendering - Google Patents

White light light-emitting diode (LED) with high color rendering Download PDF

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Publication number
CN202487646U
CN202487646U CN2011205073829U CN201120507382U CN202487646U CN 202487646 U CN202487646 U CN 202487646U CN 2011205073829 U CN2011205073829 U CN 2011205073829U CN 201120507382 U CN201120507382 U CN 201120507382U CN 202487646 U CN202487646 U CN 202487646U
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CN
China
Prior art keywords
wavelength conversion
emitting diode
white light
light emitting
crystal particle
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN2011205073829U
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Chinese (zh)
Inventor
方念陆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jun Feng Photoelectric (suzhou) Co Ltd
Original Assignee
Jun Feng Photoelectric (suzhou) Co Ltd
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 Jun Feng Photoelectric (suzhou) Co Ltd filed Critical Jun Feng Photoelectric (suzhou) Co Ltd
Priority to CN2011205073829U priority Critical patent/CN202487646U/en
Application granted granted Critical
Publication of CN202487646U publication Critical patent/CN202487646U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A white light light-emitting diode (LED) with high color rendering is characterized by comprising a seat body, a plurality of electric conduction supporting frames, an LED grain and a wavelength conversion layer, wherein the seat body is provided with a containing groove and contains fluorescence toners, the electric conduction supporting frames are arranged on the seat body in a penetrated mode, the LED grain is arranged inside the containing groove and electrically connected with the electric conduction supporting frames, and the wavelength conversion layer at least covers the LED grain. Wavelength conversion and light mixing occur among light rays emitted by the LED grain, the fluorescence toners and the wavelength conversion layer to provide white light source with high color rendering.

Description

A kind of white light emitting diode with high color rendering
Technical field
The utility model relates to a kind of light-emitting diode, refers to that especially a kind of pedestal has the high color rendering light emitting diode of fluorescence toner.
Background technology
Light-emitting diode (light emitting diode; LED) be a kind of semiconductor subassembly; Mainly convert electrical energy into luminous energy to reach illumination effect through semiconducting compound; Therefore have the life-span long, stability is high, power consumption is little, reaction speed is fast, volume is little, cracky and advantage such as not mercurous, be widely used in house, office at present, outdoorly thrown light on, with traditional non-directive property light emitting sources such as replacement fluorescent tube and incandescent lamp bulbs with action.
For solving the problem of white light emitting diode color rendering difference; Part manufacturer is in the encapsulation process of white light emitting diode; Add redness or green emitting phosphor to reach the purpose that reduces colour temperature and improve color rendering; But owing to be difficult to control the uniformity of fluorescent material concentration, increased the degree of difficulty of manufacturing process widely, and prepared white light emitting diode is not as expection.
In addition, there is partly manufacturer that the white light emitting diode red light-emitting diode of arranging in pairs or groups is placed in the secondary lens,, reaches the light emitting module that sends white light source through the mode of secondary optics.Yet when practical application, this white-light emitting module also can be sent the red-light source that can obviously be perceived by human eye except sending required warm white, makes that the whole luminous uniformity is not good.
In addition; This secondary lens can come off when receiving the external force extruding; So that can't protect chip, and when using this white-light emitting module for a long time, the effect that the used heat that produces will cause secondary lens to be expanded with heat and contract with cold; In using the phenomenon that causes this secondary lens to come off behind the length, cause the irradiation brightness of light source to reduce.
Summary of the invention
The purpose of the utility model provides a kind of white light emitting diode with high color rendering.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of white light emitting diode with high color rendering comprises: a pedestal, have a storage tank, and this pedestal includes the fluorescence toner; A plurality of conducting brackets provide in this pedestal; One LED crystal particle is arranged at this storage tank and is electrically connected on this conducting bracket; One wavelength conversion layer covers this LED crystal particle at least.
Related content in the technique scheme is explained as follows:
1. in the such scheme, the light that said LED crystal particle sends and this fluorescence toner and this wavelength conversion layer generation wavelength Conversion and mixed light, with provide one have a high color rendering light source.
2. in the such scheme, also comprise multiple conducting wires, be electrically connected this conducting bracket and this LED crystal particle.
3. in the such scheme, the luminous wave band of the light generation wavelength Conversion that said LED crystal particle sends is 450 ~ 470 rice how.
4. in the such scheme, the luminous wave band of light generation wavelength Conversion that said wavelength conversion layer and this LED crystal particle send and the wavelength Conversion light that produces is 550 ~ 580 rice how.
5. in the such scheme, the luminous wave band of light generation wavelength Conversion that said fluorescence toner and this LED crystal particle send and the wavelength Conversion light that produces is 610 ~ 660 rice how.
6. in the such scheme, said wavelength conversion layer this storage tank of sealing also coats this LED crystal particle and said lead.
7. in the such scheme, more comprise a printing opacity glue material, coat this LED crystal particle, said lead and wavelength conversion layer.
8. in the such scheme, said printing opacity glue material is external convex arc shape and is coated on this LED crystal particle, said lead and wavelength conversion layer.
The utility model operation principle and advantage are following:
The white light emitting diode that the utlity model has high color rendering directly is provided with equally distributed fluorescence toner in pedestal inside, form one behind the part light that LED crystal particle sends and this wavelength conversion layer and this fluorescence toner generation wavelength Conversion and the mixed light and have high color rendering and hang down the white light of colour temperature.
Description of drawings
Accompanying drawing 1 has the vertical view of the white light emitting diode of high color rendering for the utility model first embodiment;
Accompanying drawing 2 has the cutaway view of the white light emitting diode of high color rendering for the utility model first embodiment;
Accompanying drawing 3 has the cutaway view of the white light emitting diode of high color rendering for the utility model second embodiment;
Accompanying drawing 4 has the cutaway view of the white light emitting diode of high color rendering for the utility model the 3rd embodiment.
In the above accompanying drawing: 10. the white light emitting diode of high color rendering; 20. the white light emitting diode of high color rendering; 110. pedestal; 210. pedestal; 111. upper surface; 112. storage tank; 212. storage tank; 114. fluorescence toner; 120. conducting bracket; 220. conducting bracket; 130. light-emitting diode; 230. light-emitting diode; 140. lead; 240. lead; 150. wavelength conversion layer; 160. printing opacity glue material.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Embodiment:, be respectively vertical view and cutaway view that the utility model first embodiment has the white light emitting diode of high color rendering referring to like Fig. 1, shown in 2.This white light emitting diode 10 with high color rendering comprises a pedestal 110, two conducting brackets 120, a LED crystal particle 130, two leads 140 and a wavelength conversion layer 150; This pedestal 110 uses light-transmitting materials to process and has a good insulation performance effect; This pedestal 110 is recessed to form a storage tank 112 downwards by one of which upper surface 111; In present embodiment, this storage tank 112 is an example with the circle, but not as limit.Moreover; These pedestal 110 inside have the fluorescence toner 114 that is evenly distributed; In present embodiment; This fluorescence toner 114 is an example with the red fluorescence toner, and the light generation wavelength Conversion sent of this fluorescence toner 114 and this LED crystal particle 130 and the luminous wave band that produces a wavelength Conversion light are 610 ~ 660nm; During actual enforcement, can adjust the color and the luminous wave band thereof of this fluorescence toner 114 according to actual demand or restriction.Wherein, this pedestal 110 can use the resin material that is mixed with this fluorescence toner 114 to be made through the extrusion molding mode.
Said conducting bracket 120 provides in this pedestal 110, and this conducting bracket 120 can use metal materials such as aluminium or copper to process and have the conduction and an effect of heat conduction.
This LED crystal particle 130 is arranged at this storage tank 112 and is electrically connected on this conducting bracket 120, and in present embodiment, this light-emitting diode 120 is an example with the blue light-emitting diode, and its glistening light of waves wave band be 450 ~ 470 how rice (nanometer nm), is blue light.
Said lead 140 is striden and is located between this LED crystal particle 130 and this conducting bracket 120 and is electrically connected this LED crystal particle 130 and this conducting bracket 120, and said lead 140 can be gold thread or aluminum steel.
This wavelength conversion layer 150 covers this LED crystal particle 130 at least; And; The light generation wavelength Conversion that this wavelength conversion layer 150 and this LED crystal particle 130 send also produces a wavelength Conversion light, and the luminous wave band of this wavelength Conversion light is 550 ~ 580nm.Form a white light behind this wavelength Conversion light and other part blue light mixed light.
Afterwards, form warm white behind fluorescence toner 114 mixed lights of this white light system and these pedestal 110 inside, thus, can reduce the colour temperature of this light-emitting diode 10 effectively and reach the effect of high color rendering (color rendering index).
Cooperate shown in Figure 3ly, have the cutaway view of the white light emitting diode of high color rendering for the utility model second embodiment.The white light emitting diode 10a that present embodiment has high color rendering is roughly identical with above-mentioned first embodiment; Its difference is this wavelength conversion layer 150a this storage tank 112 of sealing and coats this LED crystal particle 130 and said lead 140; And this wavelength conversion layer 150a trims the upper surface 111 in this pedestal 110, avoids this LED crystal particle 120 and said lead 140 to receive external impacts with this and is shifted or comes off.
Cooperate shown in Figure 4ly, have the cutaway view of the white light emitting diode of high color rendering for the utility model the 3rd embodiment.The white light emitting diode 10b that present embodiment has high color rendering is roughly identical with above-mentioned first embodiment; Its difference is that the white light emitting diode 10b with high color rendering more comprises a printing opacity glue material 160; This printing opacity glue material 160 can be epoxy resin or these printing opacity glue material 160 coating this LED crystal particle 130, said lead 140 and this wavelength conversion layers 150 of silica gel, and this printing opacity glue material 160 is the coating of external convex arc shape ground this LED crystal particle 120, said lead 140 and wavelength conversion layer 150; Thus, can avoid this LED crystal particle 120 and said lead 140 to receive external impacts and be shifted or come off, and can enlarge the luminous exitance that this has the white light emitting diode 10b of high color rendering effectively.When reality is implemented, can adjust the shape of this printing opacity glue material 160 according to actual demand and restriction, so as to producing corresponding lighting angle or light type.
In sum; The white light emitting diode that the utlity model has high color rendering directly is provided with equally distributed fluorescence toner in pedestal inside, form one behind the part light that LED crystal particle sends and this wavelength conversion layer and this fluorescence toner generation wavelength Conversion and the mixed light and have high color rendering and hang down the white light of colour temperature.
The foregoing description only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection range of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection range of the utility model.

Claims (8)

1. white light emitting diode with high color rendering is characterized in that: comprising:
One pedestal has a storage tank, and this pedestal includes the fluorescence toner;
A plurality of conducting brackets provide in this pedestal;
One LED crystal particle is arranged at this storage tank and is electrically connected on this conducting bracket;
One wavelength conversion layer covers this LED crystal particle at least.
2. white light emitting diode according to claim 1 is characterized in that: also comprise multiple conducting wires, be electrically connected this conducting bracket and this LED crystal particle.
3. white light emitting diode according to claim 1 is characterized in that: the luminous wave band of the light generation wavelength Conversion that said LED crystal particle sends is 450 ~ 470 rice how.
4. white light emitting diode according to claim 1 is characterized in that: the luminous wave band of light generation wavelength Conversion that said wavelength conversion layer and this LED crystal particle send and the wavelength Conversion light that produces is 550 ~ 580 rice how.
5. white light emitting diode according to claim 1 is characterized in that: the luminous wave band of light generation wavelength Conversion that said fluorescence toner and this LED crystal particle send and the wavelength Conversion light that produces is 610 ~ 660 rice how.
6. white light emitting diode according to claim 2 is characterized in that: said wavelength conversion layer this storage tank of sealing also coats this LED crystal particle and said lead.
7. white light emitting diode according to claim 2 is characterized in that: more comprise a printing opacity glue material, coat this LED crystal particle, said lead and wavelength conversion layer.
8. white light emitting diode according to claim 7 is characterized in that: said printing opacity glue material is external convex arc shape and is coated on this LED crystal particle, said lead and wavelength conversion layer.
CN2011205073829U 2011-12-08 2011-12-08 White light light-emitting diode (LED) with high color rendering Expired - Fee Related CN202487646U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205073829U CN202487646U (en) 2011-12-08 2011-12-08 White light light-emitting diode (LED) with high color rendering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205073829U CN202487646U (en) 2011-12-08 2011-12-08 White light light-emitting diode (LED) with high color rendering

Publications (1)

Publication Number Publication Date
CN202487646U true CN202487646U (en) 2012-10-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011205073829U Expired - Fee Related CN202487646U (en) 2011-12-08 2011-12-08 White light light-emitting diode (LED) with high color rendering

Country Status (1)

Country Link
CN (1) CN202487646U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103618040A (en) * 2013-11-21 2014-03-05 林英强 White-light diode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103618040A (en) * 2013-11-21 2014-03-05 林英强 White-light diode
CN103618040B (en) * 2013-11-21 2016-04-13 林英强 A kind of white light-emitting diodes

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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: 20121010

Termination date: 20131208