CN202178255U - Light-emitting diode (LED) module and lighting device - Google Patents
Light-emitting diode (LED) module and lighting device Download PDFInfo
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- CN202178255U CN202178255U CN2011202842881U CN201120284288U CN202178255U CN 202178255 U CN202178255 U CN 202178255U CN 2011202842881 U CN2011202842881 U CN 2011202842881U CN 201120284288 U CN201120284288 U CN 201120284288U CN 202178255 U CN202178255 U CN 202178255U
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Abstract
The utility model is suitable for the field of light-emitting diode (LED) lighting, and provides an LED module and a lighting device. The LED module comprises a baseboard and a reflecting casing arranged on the baseboard, the reflecting casing comprises at least one reflecting cup, a plurality of chips are arranged in the reflecting cup, and emitted light of the plurality of chips comprises at least two kinds of wavebands. The emergent light of the LED module comprises at least two kinds of wavebands, the emergent light of the whole module comprises spectrum components of various wavebands so that the shortcoming that wavebands of the spectrum of the emergent light are relatively single, color rendering properties of the module are improved, color rendering index is improved, and the LED module and the lighting device can be widely applied to light devices.
Description
Technical field
The utility model belongs to the LED lighting field, relates in particular to a kind of LED module and lighting device.
Background technology
Along with developing rapidly of LED lighting technology; People require increasingly highly to the LED illuminating effect, and comprising color rendering, color rendering is meant the appear degree of light source to object color; The wider light source of spectral composition can provide preferable color rendering; Existing LED module usually will many identical wave bands blue chip encapsulate, and in packaging plastic or chip surface fluorescent material is set with synthesize white light, still the spectrum of the white light that sends of this LED module is not full; Its color rendering is relatively poor, obviously not as traditional incandescent lamp.
The utility model content
The purpose of the utility model is to provide a kind of LED module, is intended to solve the existing not good problem of LED module color developing effect.
The utility model is achieved in that a kind of LED module, comprises substrate, is arranged at the reflection housing on the substrate; Said reflection housing is provided with at least one reflector; Be provided with chip in the said reflector, said chip is provided with many, and the output light of said multiple chips comprises two kinds of wave bands at least.
Optimal technical scheme as the utility model:
Said reflection housing is provided with a reflector, and said multiple chips all is arranged in this reflector.
Said reflection housing is provided with at least two reflector groups, and each reflector group comprises at least one reflector, is provided with the identical at least one chips of luminous wave band in each reflector;
The luminous wave band that is arranged at the chip in the same reflector group is identical;
The luminous wave band that is arranged at the chip in the different reflector groups is different.
Be provided with the chip of equal number in each reflector.
Said reflection housing is provided with a plurality of reflectors, is provided with at least two different chips of luminous wave band in each reflector.
The quantity of the chip that is provided with in the different reflectors is identical with luminous wave band.
In different reflectors, the residing relative position of the chip that luminous wave band is identical is identical.
Said multiple chips comprises that at least one luminous wave band is first blue chip of 450～452.5nm; And at least one second blue chip that luminous wave band is 457.5～460nm, the light direction of said first blue chip and second blue chip is provided with fluorescent material.
Said multiple chips comprises that at least one luminous wave band is the blue chip of 452.5～457.5nm, and at least one the red light chips that luminous wave band is 620～640nm, and the light direction of said blue chip is provided with fluorescent material.
Another purpose of the utility model is to provide a kind of lighting device, comprises luminous component, and said luminous component comprises the LED module that at least one is above-mentioned.
The emergent light of the utility model LED module comprises at least two kinds of wave bands; Contain the spectral component of a plurality of wave bands in the emergent light of module integral body, can remedy the more single defective of spectrum medium wave band of exporting light, effectively improve the color rendering of module; Improve color rendering index, can be widely used in the lighting device.
Description of drawings
Fig. 1 is the cross-sectional view of the utility model first embodiment;
Fig. 2 is the plan structure sketch map of the utility model second embodiment;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is the plan structure sketch map of the utility model the 3rd embodiment;
Fig. 5 is the plan structure sketch map of the utility model the 4th embodiment;
Fig. 6 is the partial enlarged drawing of Fig. 5.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
In conjunction with accompanying drawing 1-Fig. 6; The utility model provides a kind of color rendering preferable LED module, and this module mainly comprises a substrate 1 and be arranged at the reflection housing 2 on the substrate 1 that this reflection housing 2 is provided with several reflectors 21; In reflector 21, be provided with luminescence chip 3; In order to improve the color rendering of entire module, chip 3 is provided with many (at least two), and the output light of this multiple chips comprises two kinds of wave bands at least.The quantity and the arrangement mode that should be appreciated that the chip that every kind of wave band is corresponding can be set according to actual needs flexibly, do not need strict restriction.Because the blue chip of the single wave band of the many employings of traditional module adds the mode of fluorescent material; The composition of low band is more in its synthetic spectrum; And mainly comprise a kind of blue light ingredient of narrower wave band and the gold-tinted composition of narrower wave band, the high band composition is few, and this spectrum all can't its color of true embodiment to most of object; Be that color rendering is bad, color rendering index is lower.The emergent light of present embodiment LED module comprises two or more (containing two kinds) wave band contains the spectral component of a plurality of wave bands in the whole emergent light of module, can remedy the bad defective of module colour developing than the light of long-wave band, improves the color rendering index of LED module.And; The light efficiency of long-wave band chip is relatively low, and this module is provided with the chip of many different-wavebands, and the light efficiency of short-wave band chip can remedy than the low defective of long-wave band chip light efficiency; Compare with only adopting the module than the long-wave band chip, its whole light efficiency increases.So the LED module that present embodiment provides has improved light efficiency again to a certain extent when improving color rendering.
Clear for explaining, below in conjunction with accompanying drawing various embodiment to be set forth respectively, the Reference numeral of each parts is only applicable to the embodiment at its place.
Embodiment one:
It is multiple that the utility model realizes that the mode of " output light comprises at least two kinds of wave bands " can have, and present embodiment provides first kind of concrete mode:
In conjunction with accompanying drawing 2,3, the reflection housing 21 of this module is provided with a reflector 211, is provided with multiple chips in this reflector 211, the light of the exportable at least two kinds of wave bands of this multiple chips.Multiple chips specifically can be divided into two groups; I.e. first chipset 22 and second chipset 23; First chipset 22 comprises some (at least one) first chip 221 that luminous wave band is identical; Second chipset 23 comprises that identical some second chips 231, the first chips 221 of luminous wave band are different with the luminous wave band of second chip 231.Multiple chips also can be divided into three groups, every group of some chips that comprise that luminous wave band is identical, and three core assembly sheets send the light of three kinds of wave bands.Certainly, chip can also be divided into more than three groups, to obtain the output light of wave band more than three kinds.Further, the quantity of each core assembly sheet can be identical.Wave band is many more, and more near reference light source, color rendering index is high more, but its technology more complicated of chip of too much kind is set, and the demand that in actual production, can take all factors into consideration technologic complexity and application end is confirmed the kind and the quantity of chip.
Embodiment two:
In conjunction with accompanying drawing 4, present embodiment provides the concrete implementation of second kind " output light comprises at least two kinds of wave bands ".Reflection housing 41 is provided with at least two reflector groups.Specifically can be two, promptly 412, the first glasss of groups 411 of 411 and second glasss of groups of first glass of group comprise at least one first reflector 4111, are provided with at least one first identical chip 421 of luminous wave band in each first reflector 4111; Second glass of group 412 comprises at least one second reflector 4121, is provided with at least one second identical chip 422 of luminous wave band in each second reflector 4121.Wherein first chip 421 is different with the luminous wave band of second chip 422, makes entire module send the light of two kinds of wave bands.
Be to be understood that; Reflection housing 41 can also be provided with three or more a plurality of glasss of groups, and same, each glass group comprises at least one reflector; Be provided with the identical at least one chips of luminous wave band in each reflector; The wave band of the output light of different cup groups is different, makes entire module send the light of three kinds or more kinds of wave bands, makes color developing effect better.The kind of chip and quantity are taken all factors into consideration the demand of technologic complexity and application end equally and are confirmed.
In the present embodiment, belong to the chip that can be provided with equal number in each reflector of same group, so that technology is made.The chip of equal number can certainly all be set, so that volume production in whole reflectors.
Embodiment three:
In conjunction with accompanying drawing 5, present embodiment provides the concrete implementation of the third " output light comprises at least two kinds of wave bands ".Reflection housing 51 is provided with a plurality of reflectors 511, is provided with at least two different chips of luminous wave band in each reflector 511.For the ease of volume production, equal number and the identical chip of luminous wave band are set preferably in each reflector 511.For example, in each reflector 511, two chips are set, promptly first chip 512 and second chip, 513, the first chips 512 send the light of first wave band, and second chip 513 sends the light of second wave band.Certainly can also three above chips be set in each reflector 511, to export the light of wave band more than three kinds.Same, the kind of chip and quantity can be taken all factors into consideration the demand of technologic complexity and application end and confirm in actual production.
Further, in different reflector 511, the residing relative position of the chip that luminous wave band is identical is identical.With above-mentioned first chip 512 and second chip 513 is example, is in position A1 in conjunction with first chip 512 in 6, one reflectors of accompanying drawing, and second chip 513 is in position B1; First chip 512 in another reflector is in position A2, and second chip 513 is in position B2.The relative position of A1 wherein in corresponding reflector is identical with the relative position of A2 in corresponding reflector, and in like manner B1 and B2 are also like this.Chip is set like this is convenient to lay circuit, be fit to volume production.
Embodiment four:
Present embodiment kind to luminescence chip on the basis of above-mentioned arbitrary embodiment further limits, to obtain preferable color developing effect.Concrete, chip can be provided with two kinds, and wherein a kind of luminous wave band of chip is 450～452.5nm, and the luminous wave band of another kind of chip is 457.5～460nm, blue-light excited fluorescent material can be set to obtain white light at the light direction of these two kinds of chips.The distribution mode of these two kinds of chips can adopt the described distribution mode of above-mentioned arbitrary embodiment.In the present embodiment, because chip can send the light of 450～452.5nm and two kinds of wave bands of 457.5～460nm, compare with traditional module, the spectral component of this module output light is abundanter, more helps the color of loyal embodiment material, improves the color rendering index of module.Empirical tests, the color rendering index with module of the said two kinds of chips of present embodiment can reach 80.
In the present embodiment, chip can also be provided with other two kinds, and wherein a kind of luminous wave band of chip is 452.5～457.5nm, and the luminous wave band of another kind of chip is 620～640nm, and the compound mode of this blue light and red light chips more helps improving color rendering.The light direction of blue chip can be provided with fluorescent material to obtain white light, add that wave band is the ruddiness of 620～640nm after, can significantly remedy the defective that lacks long-wave band in the white light, better improve color rendering.Empirical tests, the module with these two kinds of chips can have the color rendering index more than 85.Should be appreciated that abovely only provides two kinds of preferred embodiments to the kind of chip, can also comprise certainly more, to obtain more multiwave output light.
Be to be understood that; For solving the problem of LED module color rendering difference; The utility model provides the technical scheme that adopts the different chip of multiple luminous wave band, and specifically several kinds of preferred embodiments are provided to the kind of chip, quantity and with the configuration relation of reflector.Certainly, this LED module also has other architectural features, is electrically connected with the both positive and negative polarity of circuit through bonding line like chip, be provided with packaging plastic etc. in the reflector, but these architectural features does not belong to the factor of the technique effect that influences the utility model.
The LED module that the utility model provides is applicable in the lighting device, can adopt an independent above-mentioned LED module as luminous component, also can adopt a plurality of above-mentioned LED modules to arrange according to preset mode and then be installed in the lighting device as luminous component.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. a LED module comprises substrate, is arranged at the reflection housing on the substrate, and said reflection housing is provided with at least one reflector; Be provided with chip in the said reflector; It is characterized in that said chip is provided with many, the output light of said multiple chips comprises two kinds of wave bands at least.
2. LED module as claimed in claim 1 is characterized in that, said reflection housing is provided with a reflector, and said multiple chips all is arranged in this reflector.
3. LED module as claimed in claim 1 is characterized in that, said reflection housing is provided with at least two reflector groups, and each reflector group comprises at least one reflector, is provided with the identical at least one chips of luminous wave band in each reflector;
The luminous wave band that is arranged at the chip in the same reflector group is identical;
The luminous wave band that is arranged at the chip in the different reflector groups is different.
4. LED module as claimed in claim 3 is characterized in that, is provided with the chip of equal number in each reflector.
5. LED module as claimed in claim 1 is characterized in that, said reflection housing is provided with a plurality of reflectors, is provided with at least two different chips of luminous wave band in each reflector.
6. LED module as claimed in claim 5 is characterized in that, the quantity of the chip that is provided with in the different reflectors is identical with luminous wave band.
7. LED module as claimed in claim 6 is characterized in that, in different reflectors, the residing relative position of the chip that luminous wave band is identical is identical.
8. like each described LED module of claim 1 to 7; It is characterized in that; Said multiple chips comprises that at least one luminous wave band is first blue chip of 450～452.5nm; And at least one second blue chip that luminous wave band is 457.5～460nm, the light direction of said first blue chip and second blue chip is provided with fluorescent material.
9. like each described LED module of claim 1 to 7; It is characterized in that; Said multiple chips comprises that at least one luminous wave band is the blue chip of 452.5～457.5nm; And at least one the red light chips that luminous wave band is 620～640nm, the light direction of said blue chip is provided with fluorescent material.
10. a lighting device comprises luminous component, it is characterized in that, said luminous component comprises each described LED module of at least one claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202842881U CN202178255U (en) | 2011-08-05 | 2011-08-05 | Light-emitting diode (LED) module and lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202842881U CN202178255U (en) | 2011-08-05 | 2011-08-05 | Light-emitting diode (LED) module and lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202178255U true CN202178255U (en) | 2012-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202842881U Expired - Fee Related CN202178255U (en) | 2011-08-05 | 2011-08-05 | Light-emitting diode (LED) module and lighting device |
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| Country | Link |
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| CN (1) | CN202178255U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637785A (en) * | 2012-04-13 | 2012-08-15 | 厦门多彩光电子科技有限公司 | Die-bonding method for increasing color-rendering index of light emitting diode |
| CN104779245A (en) * | 2014-01-12 | 2015-07-15 | 广东天下行光电有限公司 | Contiguous automobile reading lamp |
| US10056030B2 (en) | 2015-04-21 | 2018-08-21 | Au Optronics Corporation | Pixel circuit structure and method for driving the same |
-
2011
- 2011-08-05 CN CN2011202842881U patent/CN202178255U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637785A (en) * | 2012-04-13 | 2012-08-15 | 厦门多彩光电子科技有限公司 | Die-bonding method for increasing color-rendering index of light emitting diode |
| CN104779245A (en) * | 2014-01-12 | 2015-07-15 | 广东天下行光电有限公司 | Contiguous automobile reading lamp |
| US10056030B2 (en) | 2015-04-21 | 2018-08-21 | Au Optronics Corporation | Pixel circuit structure and method for driving the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20150805 |
|
| EXPY | Termination of patent right or utility model |