CN107990163A - Light source module group and lighting device - Google Patents
Light source module group and lighting device Download PDFInfo
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- CN107990163A CN107990163A CN201711464117.5A CN201711464117A CN107990163A CN 107990163 A CN107990163 A CN 107990163A CN 201711464117 A CN201711464117 A CN 201711464117A CN 107990163 A CN107990163 A CN 107990163A
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract description 8
- 229910052708 sodium Inorganic materials 0.000 abstract description 8
- 239000011734 sodium Substances 0.000 abstract description 8
- 230000004438 eyesight Effects 0.000 abstract description 4
- 206010052143 Ocular discomfort Diseases 0.000 description 5
- 230000004313 glare Effects 0.000 description 5
- 206010047571 Visual impairment Diseases 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 208000029257 vision disease Diseases 0.000 description 4
- 230000004393 visual impairment Effects 0.000 description 4
- 230000005457 Black-body radiation Effects 0.000 description 3
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K2/00—Non-electric light sources using luminescence; Light sources using electrochemiluminescence
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
Abstract
The invention discloses a kind of light source module group and lighting device, the light source module group includes LED light source, first peak wavelength of its luminescent spectrum is between 435nm~465nm, half-wave is wide between 15nm~30nm, second peak wavelength is between 580nm~650nm, half-wave is wide between 15nm~25nm or 60nm~90nm or 100nm~120nm, first peak value wave spectrum intensity is the 15%~40% of the second peak wavelength spectral intensity, and the colour temperature of LED light source emitted light is in the range of 1800K~2500k.In the light source module group emitted light of the present invention, first peak wavelength, that is, corresponding blue light wavelength, blue content is relatively low in light, with close to the photochromic of high-pressure sodium lamp street lamp, so that the lighting device is very suitable for being applied to street lamp, recognized suitable for human eye vision during driving, and light has stronger haze-penetrating capability.
Description
Technical field
The present invention relates to lighting technical field, more particularly to a kind of light source module group and lighting device.
Background technology
Traditional street lamp, its light source are high-pressure sodium lamp, and for reference color temperature generally between 1950K~2250K, color is white for gold
Color, has the characteristics that mist transmitting performance is strong, in City Humanities environmental construction, often gives people a kind of warm and dim sensation.It is but high
The colour rendering index Ra of pressure sodium lamp is relatively low, weaker for the color reducing power of object generally between 20~30, is unfavorable for road
The clear discrimination of object, influences traffic safety in road.
Since LED has the advantages that specular removal, energy conservation and environmental protection, with the development of semiconductor illumination technique, existing street lamp
Also have using LED light source.It is blue in the LED light source of high color temperature but existing LED street lamp, its colour temperature are generally 3000K or higher
Light component content is relatively more, and blue light can cause visual discomfort and lose the glare phenomenon of legibility, easily influence driver
The visual field of driving.The LED light source of high color temperature also there are misty rain day light haze-penetrating capability it is weak the problems such as.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of light source module group and lighting device, using LED light source and blue light ingredient
It is low.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of light source module group, including：LED light source, the LED
First peak wavelength of the luminescent spectrum of light source is between 435nm~465nm, half-wave is wide between 15nm~30nm, the LED
Second peak wavelength of the luminescent spectrum of light source is between 580nm~650nm, half-wave is wide in 15nm~25nm or 60nm~90nm
Or between 100nm~120nm, the first peak value wave spectrum intensity for the second peak wavelength spectral intensity 7%~
44%, the colour temperature of the LED light source emitted light is in the range of 1800K~2500k.
Further, the LED light source is formed using blue chip excitated fluorescent powder, the luminescent spectrum of the LED light source
The second peak wavelength between 605nm~625nm, half-wave is wide strong in 100nm~120nm, the first peak value wave spectrum
Spend for the 15%~25% of the second peak wavelength spectral intensity.
Further, what the LED light source emitted beam photochromic in the CIE1931 colour spaces, the chromaticity coordinates corresponding to it
Point is located at center chromaticity coordinates (0.502,0.415), and major axis 0.00288, short axle 0.00133, inclination angle is 49.3 °, color tolerance
In the oval scope of SDCM≤27.
Further, the LED light source includes the first LED light source and the second LED light source, and first LED light source uses
Blue chip excitated fluorescent powder is formed, and the colour temperature of first LED light source is 2700K, 3000K or 4000K, the 2nd LED
Light source is red-light LED light source or amber LED light source.
Further, second LED light source is using the red LED light source of blue chip excitated fluorescent powder composition, institute
The peak wavelength of the luminescent spectrum of the second LED light source is stated between 610nm~630nm, half-wave is wide between 60nm~80nm, institute
State 22%~44% that the first peak value wave spectrum intensity is the second peak wavelength spectral intensity.
Further, second LED light source is using the red-light LED light source of red light chips composition, second LED light
The peak wavelength of the luminescent spectrum in source is between 620nm~650nm nm, half-wave is wide between 15nm~25nm, the first peak
It is worth 10%~30% that wave spectrum intensity is the second peak wavelength spectral intensity.
Further, second LED light source is the amber LED light source formed using blue chip excitated fluorescent powder,
The peak wavelength of the luminescent spectrum of second LED light source is between 580nm~600nm, half-wave is wide between 60nm~90nm,
The first peak value wave spectrum intensity is the 7%~40% of the second peak wavelength spectral intensity.
Further, first LED light source and second LED light source control its luminous flux respectively by two-way power supply.
Further, the LED light source includes blue chip and the fluorescent film set in the blue chip light direction.
Further, the colour rendering index of the LED light source is more than 60.
Further, what the LED light source emitted beam photochromic in the CIE1931 colour spaces, the chromaticity coordinates corresponding to it
Point is located at center chromaticity coordinates (0.484,0.386), and major axis 0.00133, short axle 0.00259, inclination angle is 133.6 °, color tolerance
In the ellipse of SDCM≤27.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of lighting device, including housing, the shell is arranged at
The above-mentioned light source module group of body, is covered in the optical element of the light source module group.
Further, the lighting device further includes protecting screen, and the protecting screen is connected to form host cavity with the housing,
The light source module group and the optical element are contained in the host cavity.
Light source module group provided by the invention and lighting device, by control LED light source the first and second peak wavelengths and
Half-wave is wide and ratio between the first peak value wave spectrum intensity and the first peak value wave spectrum intensity, the first peak wavelength are
Corresponding blue light wavelength so that the colour temperature of light source module group emitted light is controlled in the range of 1800K~2500K, and blue light contains
Measure relatively low, have close to the photochromic of high-pressure sodium lamp street lamp so that the lighting device is very suitable for being applied to street lamp, during suitable for driving a vehicle
The problems such as human eye vision is recognized, avoids visual discomfort, glare phenomenon and visual impairment, and light wears mist energy with stronger
Power.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in invention, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram for lighting device that the embodiment of the present invention 1 provides；
Fig. 2 is a kind of spectrogram for LED light source emitted light that embodiment 1 provides；
Fig. 3 is a kind of chromaticity coordinates figure for LED light source emitted light that embodiment 1 provides；
Fig. 4 is a kind of structure diagram for light source module group that the embodiment of the present invention 2 provides；
Fig. 5 is a kind of spectrogram for LED combination light source that embodiment 2 provides；
Fig. 6 is the spectrogram for another LED combination light source that embodiment 2 provides；
Fig. 7 is the spectrogram for another LED combination light source that embodiment 2 provides；
Fig. 8 is a kind of chromaticity coordinates figure for LED light source emitted light that embodiment 2 provides.
Embodiment
In order to make those skilled in the art more fully understand the technical solution in the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this area is common
Technical staff's all other embodiments obtained without making creative work, should all belong to protection of the present invention
Scope.
Embodiment 1
With reference to shown in Fig. 1, a kind of lighting device provided by the invention, the lighting device of the present embodiment is one and is used to replace
The LED street lamp of high-pressure sodium lamp street lamp, can also be the outdoor illumination equipments such as garden lamp, Projecting Lamp in other embodiments.This reality
The lighting device applied in example includes housing 1, the protecting screen 2 being connected with housing 1, light source module group 3 and lens 4, protecting screen 2 and housing
1 connection forms host cavity, and light source module group 3 and lens 4 are housed in host cavity.Driving power (not shown) is arranged at host cavity
It is interior, it is electrically connected with light source module group 3.
Light source module group 3 includes light source board 31 and several LED light sources 32 being arranged on light source board 31.LED light source 32 is adopted
Formed with blue chip excitated fluorescent powder, and blue chip and fluorescent powder are encapsulated by packing colloid, wherein, the color of blue chip
Temperature is 2700K, 3000K or 4000K.The shortwave Partial peaks wavelength of the luminescent spectrum of LED light source 32 435nm~465nm it
Between, half-wave it is wide between 15nm~30nm, the long wavelength part peak wavelength of the luminescent spectrum of LED light source 605nm~625nm it
Between, half-wave it is wide between 100nm~120nm, and shortwave Partial peaks wave spectrum intensity is long wavelength part peak wavelength spectrum
The difference of the 15%~25% of intensity, long wavelength part peak wavelength and shortwave Partial peaks wavelength is between 140nm~190nm.Survey
Take temperature bright, choose the colour temperature of 32 emitted light of LED light source of the parameter in the range of 1800K~2500K, colour rendering index Ra is big
In 60.
With reference to shown in Fig. 2 and Fig. 3, in one embodiment, the shortwave Partial peaks wavelength of the luminescent spectrum of LED light source 32 is
455 ± 5nm, half-wave width are 20nm, and the long wavelength part peak wavelength of the luminescent spectrum of LED light source is 610 ± 5nm, half-wave width is
110nm, and 20% that shortwave Partial peaks wave spectrum intensity is long wavelength part peak wavelength spectral intensity, long wavelength part peak value
The difference of wavelength and shortwave Partial peaks wavelength is 150 ± 10nm, and canonical correlation colour temperature is 2234K, and colour rendering index Ra is 82.
With reference to shown in Fig. 3, light that LED light source 32 is sent, the distribution of its chromaticity coordinates is located near black body radiation line, has
Body, center chromaticity coordinates (0.502,0.415), transverse 0.00288, short axle 0.00133, inclination angle is 49.3 °, this reality
The colour temperature for applying example offer is the chromaticity coordinates point corresponding to the light of 1800K~2500K, is respectively positioned on the ellipse of color tolerance SDCM≤27
Interior (the oval enclosing region in figure China and foreign countries), is preferably placed in the ellipse of color tolerance SDCM≤5 (interior ellipse enclosing region in figure), example
Such as, it is preferably placed at chromaticity coordinates point of the colour temperature in the ellipse of color tolerance SDCM≤5 in 2200K or so.
The colour temperature of LED light source 32 provided in this embodiment has close to high-pressure sodium lamp street lamp in the range of 1800-2500k
It is photochromic so that the lighting device is very suitable for being applied to street lamp, and the light that sends of lighting device has and stronger wears mist energy
Power.Using the lighting device of the LED light source 32, blue content is relatively low in its light sent, is distinguished suitable for human eye vision during driving
The problems such as recognizing, avoiding visual discomfort, glare phenomenon and visual impairment；And the light has higher colour rendering index, improves
The color reduction degree of road object.LED light source 32 provided by the invention applies also for the outdoor lights such as garden lamp, Projecting Lamp.
Embodiment 2
The present invention provides a kind of light source module group 3 ', and the lighting device provided available for embodiment 1, replaces light source module group 3
It is installed in protecting screen 2 and the host cavity of the connection formation of housing 1.
With reference to shown in Fig. 4, light source module group 3 ' includes light source board 31 ', some first LED lights being arranged on light source board 31 '
Source 32 ' and the second LED light source 33 ', the first LED light source 32 ' and the second LED light source 33 ' are regularly or irregularly distributed in light source
On plate 31 '.First LED light source 32 ' and the second LED light source 33 ' form LED combination light source, launch illuminating ray after mixed light, lead to
The luminous flux that two-way power supply controls the first LED light source 32 ' and the second LED light source 33 ' respectively is crossed, by the colour temperature of LED combination light source
Control is in the range of 1800K-2500K.
In one embodiment, the first LED light source 32 ' using blue chip excitated fluorescent powder form, its colour temperature for 2700K,
3000K or 4000K, in the present embodiment, the first LED light source 32 ' use the LED light source of 3000K colour temperatures.Second LED light source 33 '
For using blue chip excitated fluorescent powder form red LED light source, the peak wavelength of its spectrum between 610nm~630nm,
Half-wave is wide between 60nm~80nm.The shortwave Partial peaks wavelength of the luminescent spectrum of the LED combination light source 435nm~
Between 465nm, half-wave it is wide between 15nm~30nm, long wavelength part peak wavelength is between 610nm~630nm, half-wave it is wide
Between 60nm~80nm, and the 22%- that shortwave Partial peaks wave spectrum intensity is long wavelength part peak wavelength spectral intensity
44%, the difference of long wavelength part peak wavelength and shortwave Partial peaks wavelength is between 145nm~195nm.Test shows that choosing should
For the colour temperature of the LED combination light source emitted light of parameter in the range of 1800K-2500K, colour rendering index Ra is more than 60.Such as knot
Close shown in Fig. 5, the shortwave Partial peaks wavelength of the luminescent spectrum of LED combination light source is 449nm, half-wave width is 20nm, long wave portion
It is being 80nm for 625nm, half-wave width to divide peak wavelength, and shortwave Partial peaks wave spectrum intensity is long wavelength part peak wavelength light
The 22% of spectral intensity, the colour temperature of LED combination light source is 1800K, and colour rendering index Ra is 85.
In one embodiment, the first LED light source 32 ' using blue chip excitated fluorescent powder form, its colour temperature for 2700K,
3000K or 4000K, in the present embodiment, the first LED light source 32 ' use the LED light source of 3000K colour temperatures.Second LED light source 33 '
For using red light chips form red-light LED light source, the peak wavelength of its spectrum between 620nm~650nm, half-wave it is wide
Between 15nm~25nm.The shortwave Partial peaks wavelength of the luminescent spectrum of the LED combination light source is between 435nm~465nm, half
Ripple is wide between 15nm~30nm, long wavelength part peak wavelength is between 620nm~650nm, half-wave it is wide 15nm~25nm it
Between, and 10%~30% that shortwave Partial peaks wave spectrum intensity is long wavelength part peak wavelength spectral intensity, long wavelength part
The difference of peak wavelength and shortwave Partial peaks wavelength is between 155nm~210nm.Test shows, chooses the LED combination of the parameter
For the colour temperature of light source emitted light in the range of 1800K~2500K, colour rendering index Ra is more than 60.Such as with reference to shown in Fig. 6, should
The shortwave Partial peaks wavelength of the luminescent spectrum of LED combination light source is 450 ± 5nm, half-wave width is 15nm, long wavelength part peak value ripple
A length of 635 ± 5nm, half-wave width are 30nm, and shortwave Partial peaks wave spectrum intensity is strong for long wavelength part peak wavelength spectrum
The difference of the 22% of degree, long wavelength part peak wavelength and shortwave Partial peaks wavelength is 185 ± 5nm, and the colour temperature of LED combination light source is
2210K, colour rendering index Ra are 92.
In one embodiment, the first LED light source 32 ' using blue chip excitated fluorescent powder form, its colour temperature for 2700K,
3000K or 4000K, in the present embodiment, the first LED light source 32 ' use the LED light source of 3000K colour temperatures.Second LED light source 33 '
For the amber LED light source formed using blue chip excitated fluorescent powder, the peak wavelength of its spectrum 580nm~600nm it
Between, half-wave is wide between 60nm~90nm.The shortwave Partial peaks wavelength of the luminescent spectrum of the LED combination is in 435nm~465nm
Between, half-wave it is wide between 15nm~30nm, long wavelength part peak wavelength is between 580nm~600nm, half-wave it is wide 60nm~
Between 110nm, and 7%~40% that shortwave Partial peaks wave spectrum intensity is long wavelength part peak wavelength spectral intensity, it is long
The difference of ripple Partial peaks wavelength and shortwave Partial peaks wavelength is between 115nm~165nm.Test shows, chooses the parameter
For the colour temperature of LED combination light source emitted light in the range of 1800K~2500k, colour rendering index Ra is more than 60.Such as with reference to Fig. 7
Shown, the shortwave Partial peaks wavelength of the luminescent spectrum of LED combination light source is 449nm, half-wave width is 20nm, long wavelength part peak value
Wavelength is being 110nm for 600nm, half-wave width, and shortwave Partial peaks wave spectrum intensity is strong for long wavelength part peak wavelength spectrum
The 40% of degree, the colour temperature of LED combination light source is 2500K, and colour rendering index Ra is 63.
With reference to shown in Fig. 8, the first LED light source 32 ' and the second LED light source 33 ' form LED combination light source, the color of mixed light
The distribution of coordinate is located near black body radiation line, is concentrated mainly on black body radiation line lower position, center chromaticity coordinates (0.484,
0.386), transverse 0.00133, short axle 0.00259, inclination angle are 133.6 °, and colour temperature provided in this embodiment is 1800K
Chromaticity coordinates point corresponding to the light of~2500K, is respectively positioned in the ellipse of color tolerance SDCM≤27.0 (oval encirclement area of figure China and foreign countries
Domain), (interior ellipse enclosing region in figure) is preferably placed in the ellipse of color tolerance SDCM≤7.0, for example, it is preferable to be located at color tolerance
The chromaticity coordinates point of colour temperature in the ellipse of SDCM≤5.0 in 2200K or so.
The colour temperature of LED combination light source provided in this embodiment has close to high-pressure sodium lamp in the range of 1800K~2500K
Street lamp it is photochromic so that the lighting device is very suitable for being applied to street lamp, and the light that lighting device is sent has stronger wear
Mist ability.Using the lighting device of the LED combination light source, blue content is relatively low in its light sent, suitable for human eye during driving
Visuognosis, the problems such as avoiding visual discomfort, glare phenomenon and visual impairment；And the light has higher colour rendering index,
Improve the color reduction degree of road object.LED light source 32 provided by the invention applies also for the open airs such as garden lamp, Projecting Lamp
Lamp.
Embodiment 3
With reference to shown in Fig. 1, a kind of lighting device provided by the invention, including housing 1, be connected with housing 1 protecting screen 2,
Light source module group 3 and lens 4, protecting screen 2 and the connection of housing 1 form host cavity, and light source module group 3 and lens 4 are housed in host cavity.
Driving power (not shown) is arranged in host cavity, is electrically connected with light source module group 3.The lighting device of the present invention can be applied to road
Lamp.
Light source module group 3 includes light source board 31 and several LED light sources 32 being arranged on light source board 31.In LED light source 32
Blue chip and the packing colloid for encapsulating light emitting chip are only set, and are not provided with fluorescent powder.In other interchangeable implementations
In example, the chip of other colors, such as red light chips can also be set in LED light source 32.
One layer of fluorescent film is coated on protecting screen 2, the light of fluorescent film conversion portion blue chip and send feux rouges, then feux rouges
Mixing light is realized with the blue light of no conversion, and in the range of 1800K~2500K, colour developing refers to the colour temperature of the mixing light
Number Ra is more than 60.
The lighting device of the present embodiment, the colour temperature of its emergent ray have close to high pressure in the range of 1800K~2500K
Sodium vapor lamp street lamp it is photochromic so that the lighting device is very suitable for being applied to street lamp, and the light that sends of the lighting device have compared with
Strong haze-penetrating capability.Blue content is relatively low in the light that the lighting device is sent, and recognizes, avoids suitable for human eye vision during driving
The problems such as visual discomfort, glare phenomenon and visual impairment；And the light has higher colour rendering index, improves road object
Color reduction degree.
The foregoing is merely the embodiment of the present invention, is not intended to limit the invention.For those skilled in the art
For, the invention may be variously modified and varied.All any modifications made within spirit and principles of the present invention, be equal
Replace, improve etc., it should be included within scope of the presently claimed invention.
Claims (13)
- A kind of 1. light source module group, it is characterised in that including：LED light source, the first peak value ripple of the luminescent spectrum of the LED light source Grow between 435nm~465nm, half-wave it is wide between 15nm~30nm, the second peak value ripple of the luminescent spectrum of the LED light source Grow between 580nm~650nm, half-wave it is wide between 15nm~25nm or 60nm~90nm or 100nm~120nm, described One peak wavelength spectral intensity is the 7%~44% of the second peak wavelength spectral intensity, the LED light source emitted light Colour temperature in the range of 1800K~2500k.
- 2. light source module group as claimed in claim 1, it is characterised in that the LED light source uses blue chip excitated fluorescent powder Form, the second peak wavelength of the luminescent spectrum of the LED light source between 605nm~625nm, half-wave it is wide 100nm~ 120nm, the first peak value wave spectrum intensity are the 15%~25% of the second peak wavelength spectral intensity.
- 3. light source module group as claimed in claim 1 or 2, it is characterised in that the LED light source emit beam it is photochromic In the CIE1931 colour spaces, the chromaticity coordinates point corresponding to it is located at center chromaticity coordinates (0.502,0.415), major axis 0.00288, Short axle is 0.00133, and inclination angle is 49.3 °, in the oval scope of color tolerance SDCM≤27.
- 4. light source module group as claimed in claim 1, it is characterised in that the LED light source includes the first LED light source and second LED light source, first LED light source are formed using blue chip excitated fluorescent powder, and the colour temperature of first LED light source is 2700K, 3000K or 4000K, second LED light source are red-light LED light source or amber LED light source.
- 5. light source module group as claimed in claim 4, it is characterised in that second LED light source is to be excited using blue chip The red LED light source that fluorescent powder is formed, the peak wavelength of the luminescent spectrum of second LED light source 610nm~630nm it Between, half-wave is wide between 60nm~80nm, and the first peak value wave spectrum intensity is the second peak wavelength spectral intensity 22%~44%.
- 6. light source module group as claimed in claim 5, it is characterised in that second LED light source is to be formed using red light chips Red-light LED light source, the peak wavelength of the luminescent spectrum of second LED light source is between 620nm~650nm, half-wave it is wide Between 15nm~25nm, the first peak value wave spectrum intensity for the second peak wavelength spectral intensity 10%~ 30%.
- 7. light source module group as claimed in claim 4, it is characterised in that second LED light source is to be excited using blue chip The amber LED light source that fluorescent powder is formed, the peak wavelength of the luminescent spectrum of second LED light source 580nm~600nm it Between, half-wave it is wide between 60nm~90nm, the first peak value wave spectrum intensity is the second peak wavelength spectral intensity 7%~40%.
- 8. light source module group as claimed in claim 4, it is characterised in that first LED light source and second LED light source by Two-way power supply controls its luminous flux respectively.
- 9. light source module group as claimed in claim 1, it is characterised in that the LED light source includes blue chip and in the indigo plant The fluorescent film that optical chip light direction is set.
- 10. light source module group as claimed in claim 1, it is characterised in that the colour rendering index of the LED light source is more than 60.
- 11. the light source module group as described in claim 1 or 4, it is characterised in that the LED light source emit beam it is photochromic In the CIE1931 colour spaces, the chromaticity coordinates point corresponding to it is located at center chromaticity coordinates (0.484,0.386), major axis 0.00133, Short axle is 0.00259, and inclination angle is 133.6 °, in the ellipse of color tolerance SDCM≤27.
- A kind of 12. lighting device, it is characterised in that including housing, be arranged at the housing as any in claim 1 to 11 Light source module group described in, is covered in the optical element of the light source module group.
- 13. lighting device according to claim 12, it is characterised in that the lighting device further includes protecting screen, described Protecting screen is connected to form host cavity with the housing, and the light source module group and the optical element are contained in the host cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464117.5A CN107990163A (en) | 2017-12-28 | 2017-12-28 | Light source module group and lighting device |
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Application publication date: 20180504 |