CN101373057A - LED light source and outdoor illumination apparatus - Google Patents
LED light source and outdoor illumination apparatus Download PDFInfo
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- CN101373057A CN101373057A CNA2007102014653A CN200710201465A CN101373057A CN 101373057 A CN101373057 A CN 101373057A CN A2007102014653 A CNA2007102014653 A CN A2007102014653A CN 200710201465 A CN200710201465 A CN 200710201465A CN 101373057 A CN101373057 A CN 101373057A
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- emitting diode
- led
- light emitting
- white light
- warm colour
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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Abstract
The invention relates to an LED light source and an outdoor lighting device. The LED light source comprises a plurality of white light LEDs in array arrangement and with adjustable lightness and a plurality of warm color LEDs in array arrangement and with adjustable lightness. The warm color LEDs and the white light LEDs are adjacently installed; and the beams emitted by the warm color LEDs have a wavelength in the range of 570nm to 670nm. The color temperature of the white light, emitted by the white color LEDs, can be adjusted by the LED light source through adjusting the brightness of the light with the wavelength in the range of 570nm to 670nm, thereby properly increasing the comfort level.
Description
Technical field
The present invention relates to a kind of LED source and outdoor illumination.
Background technology
Nowadays, light emitting diode (Light Emitting Diode, LED) a lot of fields have been widely applied to, how to obtain the direction that the more superior light emitting diode of performance has become people's research and development, at this, a kind of novel light-emitting diode can be referring to people such as Daniel A.Steigerwald at document IEEE Journal on Selected Topics in QuantumElectronics, Vol.8, No.2, Illumination With Solid StateLighting Technology one literary composition among the March/April 2002.Because light emitting diode has characteristics such as luminous efficiency height, color rendering be good, to be beneficial to daily life on the street lamp required so it begins to be used in by people.
Yet, the color temperature value of the white light that existing LED source penetrates is higher, it is usually between 4500 ~ 6500K, can allow people feel cold like this and light is dazzling, color rendering also only can reach 80% simultaneously, and such color temperature value and color rendering can't reach people's requirement.Existing light emitting diode is normally by adding fluorescent material to send white light in LED crystal particle, and the ratio of fluorescent material is promptly fixing after the light-emitting diodes pipe manufacturer is finished, therefore can not in follow-up use, the colour temperature to light emitting diode regulate, thereby be unfavorable for people's instructions for use.
In view of this, provide adjustable LED source of a kind of colour temperature and outdoor illumination real for necessary.
Summary of the invention
Below will LED source and the outdoor illumination that a kind of colour temperature is adjustable be described with embodiment.
A kind of LED source, it comprises the warm colour series LED of the adjustable brightness of the white light emitting diode of adjustable brightness of a plurality of array arrangements and a plurality of array arrangements, the adjacent setting with described white light emitting diode of described warm colour series LED, the wave-length coverage of described warm colour series LED emitted light is 570 ~ 670 nanometers.
A kind of outdoor illumination, it comprises a LED source, described LED source comprises the white light emitting diode of a plurality of array arrangements, described outdoor illumination also comprises a driving control unit, described LED source also comprises the warm colour series LED of a plurality of array arrangements, the adjacent setting of described warm colour series LED with described white light emitting diode, the light wavelength scope that described a plurality of warm colour series LED is sent is 570 ~ 670 nanometers, described driving control unit and described a plurality of white light emitting diode and a plurality of warm colour series LED electrically connect, in order to regulate the brightness of described a plurality of white light emitting diode and a plurality of warm colour series LEDs respectively.
With respect to prior art, described LED source and outdoor illumination all can penetrate the light that white light and wave-length coverage are 570 ~ 670 nanometers, making described LED source and outdoor illumination is that the brightness of the light of 570 ~ 670 nanometers is regulated the colour temperature of described white light realizing by regulating wave-length coverage, thus suitable raising people's comfort level.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the invention LED source.
Fig. 2 is the structural representation of second embodiment of the invention LED source.
Fig. 3 is the structural representation of third embodiment of the invention outdoor illumination.
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
See also Fig. 1, the LED source 100 that first embodiment of the invention provides, described LED source 100 comprise the white light emitting diode 110 and the warm colour series LED 112 of the adjustable brightness of a plurality of array arrangements.The wave-length coverage of described a plurality of warm colour series LED 112 emitted lights is 570 ~ 670 nanometers, and it can be orange light-emitting diode, Yellow light emitting diode, red light-emitting diode, amber light light emitting diode or its combination etc.Described a plurality of warm colour series LED 112 is arranged between described a plurality of white light emitting diode 110 uniformly.In the present embodiment, described a plurality of white light emitting diode 110 and described a plurality of warm colour series LED 112 link to each other with a driving control unit (figure does not show), described driving control unit can be regulated the brightness of described a plurality of white light emitting diode 110 and described a plurality of warm colour series LEDs 112 respectively, can realize that by the brightness of regulating described a plurality of warm colour series LEDs 112 colour temperature of white light that described a plurality of white light emitting diodes 110 are sent is regulated.
The light that comprises fluorescent material in the described white light emitting diode 110 and can send first wavelength produces first light-emitting diode chip for backlight unit of white light to excite described fluorescent material, the described first light-emitting diode chip for backlight unit material therefor is the III-V compounds of group, for example: aluminum indium gallium nitride (AlInGaN) etc.
Described warm colour series LED 112 comprises second light-emitting diode chip for backlight unit of the light that can send second wavelength, and the scope of described second wavelength is 570 ~ 670 nanometers.The described second light-emitting diode chip for backlight unit material therefor is the III-V compounds of group, for example: AlGaInP (AlInGaP).
Described LED source 100 comprises the white light emitting diode group 101 that several are made up of a plurality of described white light emitting diodes 110.Be provided with two or more warm colour series LEDs 112 between the two adjacent white light emitting diode groups 101, promptly described a plurality of warm colour series LEDs 112 can be disposed between described several white light emitting diode groups 101 uniformly.
Described LED source 100 also comprises a plurality of reflecting plates 114, and described a plurality of reflecting plates 114 are strip and are parallel to each other.Each reflecting plate 114 can be oppositely arranged with the combination with warm colour series LED 112 of several white light emitting diodes 110, several warm colour series LEDs 112 or several white light emitting diodes 110, in order to reflection ray to improve the light utilization of described LED source 100.Be that white light emitting diode group 101 is relative with three adjacent reflecting plates 114 shown in Fig. 4, be provided with a reflecting plate 114 and the warm colour series LED 112 relative between two adjacent white light emitting diode groups 101 with it.
Be understandable that described LED source 100 can include only a reflecting plate 114 and be oppositely arranged with described a plurality of white light emitting diodes 110 and a plurality of warm colour series LED 112 simultaneously.The shape of described reflecting plate 114 and set-up mode can design according to actual needs, are beneficial to improve the light utilization of described LED source 100, for example: being shaped as collar plate shape and being arranged in a figure of described reflecting plate 114.In addition, described LED source 100 included white light emitting diode 110 and warm colour series LEDs 112 can mix and array distribution, as long as be beneficial to colour temperature and the color rendering of adjusting described LED source 100.
See also Fig. 2, the LED source 100 that LED source 200 and above-mentioned first embodiment that second embodiment of the invention provides provided is basic identical, and difference is: LED source 200 also comprises a plurality of green light LEDs 214 and a plurality of blue light-emitting diode 216 except comprising a plurality of white light emitting diodes 110, warm colour series LED 112.Described a plurality of warm colour series LED 112, green light LED 214 and blue light-emitting diode 216 are arranged between described a plurality of white light emitting diode 110 or two the adjacent white light emitting diode groups 101 uniformly, described a plurality of green light LEDs 214 and a plurality of blue light-emitting diode 216 also can be simultaneously and described driving control unit electrically connect.The brightness of described a plurality of warm colour series LED 112, a plurality of green light LED 214 and a plurality of blue light-emitting diode 216 all can be independent regulation.
Because described LED source 200 also comprises a plurality of green light LEDs 214 and a plurality of blue light-emitting diode 216, thereby can make described LED source 200 send more multicoloured light by the brightness of regulating warm colour series LED 112, green light LED 214 and blue light-emitting diode 216 respectively, make the color rendering of described LED source 200 can reach 85%.So the LED source 200 that second embodiment of the invention provides can be realized the fine adjustment function to the color of its light that sends, help the needs that people reach the situation illumination, also can in illumination, have alarm function concurrently.
See also Fig. 3, the outdoor illumination 300 that third embodiment of the invention provides, it comprises 311, one lamp stands 312 of 100, one driving control unit of an above-mentioned LED source and a lamp housing 313 that is arranged on the described lamp stand 312.Described LED source 100 is housed in the described lamp housing 113, and described driving control unit 311 is arranged on the described lamp stand 112 and with described LED source 100 and electrically connects.Described driving control unit 311 can be controlled the brightness of described a plurality of white light emitting diode 110 and warm colour series LED 112 by the operating current that described a plurality of white light emitting diode 110 and warm colour series LED 112 are flow through in control respectively, to adjust the colour temperature of the white light that described LED source 100 sends, at this, can make the colour temperature of the white light that described LED source 100 sent warm partially, so raising people's that can be suitable comfort level.In the present embodiment, the adjustment of the brightness by the included warm colour series LED 112 of the described LED source of 311 pairs of driving control unit 100 can be reduced to 2500K with the color temperature value of described LED source 100.
When LED source 200 that described outdoor illumination 300 included LED sources provide for above-mentioned second embodiment, described driving control unit 311 can be controlled the brightness of described a plurality of warm colour series LED 112, a plurality of green light LED 214 and a plurality of blue light-emitting diode 216 by the operating current that described a plurality of warm colour series LED 112, a plurality of green light LED 214 and a plurality of blue light-emitting diode 216 are flow through in control respectively, to regulate the colour temperature of the white light that described a plurality of white light emitting diode 110 sent.
In addition, those skilled in the art also can do other variation in spirit of the present invention, as long as it does not depart from technique effect of the present invention, the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (10)
1.[claim 1] a kind of LED source, it comprises the white light emitting diode of the adjustable brightness of a plurality of array arrangements, it is characterized in that, described LED source also comprises the warm colour series LED of the adjustable brightness of a plurality of array arrangements, the adjacent setting with described white light emitting diode of described warm colour series LED, the wave-length coverage of described warm colour series LED emitted light is 570 ~ 670 nanometers.
2.[claim 2] LED source as claimed in claim 1, it is characterized in that described white light emitting diode comprises fluorescent material and can excite described fluorescent material to send first light-emitting diode chip for backlight unit of white light.
3.[claim 3] LED source as claimed in claim 1, it is characterized in that described warm colour series LED comprises can send second light-emitting diode chip for backlight unit that wave-length coverage is 570 ~ 670 nanometers.
4.[claim 4] a kind of outdoor illumination, it comprises a LED source, described LED source comprises the white light emitting diode of a plurality of array arrangements, it is characterized in that, described outdoor illumination also comprises a driving control unit, described LED source also comprises the warm colour series LED of a plurality of array arrangements, the adjacent setting of described warm colour series LED with described white light emitting diode, the light wavelength scope that described a plurality of warm colour series LED is sent is 570 ~ 670 nanometers, described driving control unit and described a plurality of white light emitting diode and a plurality of warm colour series LED electrically connect, in order to regulate the brightness of described a plurality of white light emitting diode and a plurality of warm colour series LEDs respectively.
5.[claim 5] outdoor illumination as claimed in claim 4, it is characterized in that, described outdoor lamp also comprises lamp stand and is arranged on lamp housing on the described lamp stand, and described LED source is housed in the described lamp housing, and described driving control unit is arranged on lamp stand or the lamp housing.
6.[claim 6] outdoor illumination as claimed in claim 4, it is characterized in that described a plurality of warm colour series LEDs are Yellow light emitting diode, red light-emitting diode, amber light light emitting diode, orange light-emitting diode or its combination.
7.[claim 7] outdoor illumination as claimed in claim 4, it is characterized in that, described LED source comprises a plurality of white light emitting diode groups, each white light emitting diode group is made up of two or more described white light emitting diodes, is provided with at least one described warm colour series LED between the two adjacent white light emitting diode groups.
8.[claim 8] outdoor illumination as claimed in claim 4, it is characterized in that, described LED source also comprises a reflecting plate, and described reflecting plate and described a plurality of white light emitting diode and warm colour series LED are oppositely arranged the light that sends in order to reflected white-light light emitting diode and warm colour series LED.
9.[claim 9] outdoor illumination as claimed in claim 4, it is characterized in that, described light source also comprises a plurality of reflecting plates, described a plurality of reflecting plate is arranged in parallel, and each reflecting plate is relative with the combination of several white light emitting diodes, several warm colour series LEDs or several white light emitting diodes and warm colour series LED.
10.[claim 10] outdoor illumination as claimed in claim 4, it is characterized in that, described LED source also comprises the green light LED of a plurality of array arrangements and the blue light-emitting diode of a plurality of array arrangements, described a plurality of warm colour series LED, green light LED and blue light-emitting diode are arranged between described a plurality of white light emitting diode uniformly, and described driving control unit electrically connects in order to regulate the brightness of described a plurality of green light LED and a plurality of blue light-emitting diodes respectively with described a plurality of green light LEDs and a plurality of blue light-emitting diode simultaneously.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007102014653A CN101373057A (en) | 2007-08-24 | 2007-08-24 | LED light source and outdoor illumination apparatus |
| US12/192,032 US20090050912A1 (en) | 2007-08-24 | 2008-08-14 | Light emitting diode and outdoor illumination device having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007102014653A CN101373057A (en) | 2007-08-24 | 2007-08-24 | LED light source and outdoor illumination apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN101373057A true CN101373057A (en) | 2009-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007102014653A Pending CN101373057A (en) | 2007-08-24 | 2007-08-24 | LED light source and outdoor illumination apparatus |
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| CN (1) | CN101373057A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011057431A1 (en) * | 2009-11-16 | 2011-05-19 | Wen Chiawen | Led device with variation of cold light and warm light |
| CN102278621A (en) * | 2011-04-22 | 2011-12-14 | 深圳市瑞丰光电子股份有限公司 | White light emitting diode (LED) module with adjustable color temperature, illumination equipment and manufacturing method |
| CN101858503B (en) * | 2009-04-10 | 2012-06-27 | 富士迈半导体精密工业（上海）有限公司 | Solid-state light source assembling device and method |
| CN108087828A (en) * | 2017-12-19 | 2018-05-29 | 郑州郑先医药科技有限公司 | A kind of adjustable swing type energy-conserving road lamp of light |
| WO2020000511A1 (en) * | 2018-06-27 | 2020-01-02 | 朗昭创新控股（深圳）有限公司 | Optimization method for led light source |
-
2007
- 2007-08-24 CN CNA2007102014653A patent/CN101373057A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858503B (en) * | 2009-04-10 | 2012-06-27 | 富士迈半导体精密工业（上海）有限公司 | Solid-state light source assembling device and method |
| WO2011057431A1 (en) * | 2009-11-16 | 2011-05-19 | Wen Chiawen | Led device with variation of cold light and warm light |
| CN102278621A (en) * | 2011-04-22 | 2011-12-14 | 深圳市瑞丰光电子股份有限公司 | White light emitting diode (LED) module with adjustable color temperature, illumination equipment and manufacturing method |
| CN108087828A (en) * | 2017-12-19 | 2018-05-29 | 郑州郑先医药科技有限公司 | A kind of adjustable swing type energy-conserving road lamp of light |
| WO2020000511A1 (en) * | 2018-06-27 | 2020-01-02 | 朗昭创新控股（深圳）有限公司 | Optimization method for led light source |
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Open date: 20090225 |