CN210462523U - LED light emitting module containing green light source for realizing multiple color temperatures - Google Patents
LED light emitting module containing green light source for realizing multiple color temperatures Download PDFInfo
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- CN210462523U CN210462523U CN201921666421.2U CN201921666421U CN210462523U CN 210462523 U CN210462523 U CN 210462523U CN 201921666421 U CN201921666421 U CN 201921666421U CN 210462523 U CN210462523 U CN 210462523U
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Abstract
The utility model discloses a LED light emitting module who contains green glow light source realization polychrome temperature solves double-color temperature white light LED light source mixed light back chromaticity parameter value and presses close to standard light source chromaticity track and to whole lamp light efficiency and the less scheme of cost influence, increases some green glow LED on the light emitting module of the module of needs adjustment colour temperature or lamps and lanterns promptly, and the green glow light source that increases suitable proportion under the different mixed light circumstances through controlling means can make chromaticity parameter value press close to standard light source chromaticity track. The driving current values of the low color temperature white light LED, the high color temperature white light LED and the green light LED are changed through the control device, so that the luminous flux distribution of a specific proportion is achieved.
Description
Technical Field
The utility model relates to a contain green glow light source and realize LED light emitting module of many colour temperatures.
Background
With the continuous progress of LED technology, the market puts new demands on the application mode of lighting fixtures, and the lighting products with color temperature adjustment are increasingly popular in the market.
The mainstream color temperature adjusting lighting products in the market are all lighting effects of other color temperatures obtained by mixing light of a low color temperature white light LED light source and a high color temperature white light LED light source, for example: the light sources with the color temperatures of 2700K and 6500K can obtain the lighting effect with any color temperature between 2700K and 6500K by mixing light through the control device. But the obvious defect is that the difference between the lighting effect of the intermediate mixed light and the standard light source with the same color temperature (such as sunlight) is larger, namely the lighting effect of the intermediate mixed light is obviously different from that of other single color temperature lighting products. This means that the requirements of the partial energy efficiency standard cannot be met, for example, the us title 24 standard mandates that the standard light source reference chromaticity locus (i.e., BBL locus) is approached for a portion of the luminaire chromaticity parameters.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome among the prior art low colour temperature white light LED light source and high colour temperature white light LED light source and obtain the illuminating effect of other colour temperatures after mixing the light and the difference of the same colour temperature light source of standard (like the sunlight) can be bigger defect, provide a LED light emitting module who contains green glow light source and realizes multiple colour temperature.
In order to solve the technical problem, the utility model provides a following technical scheme:
an LED light-emitting module containing a green light source to realize multiple color temperatures comprises a substrate and a plurality of low color temperature white LEDs, high color temperature white LEDs and green light LEDs which are arranged on the substrate; the color temperature of the high color temperature white light LED is higher than that of the low color temperature white light LED; different chromaticity values are realized by adjusting the luminous flux of the low-color-temperature white light LED, the high-color-temperature white light LED and the green light LED. The scheme is that a part of green light LEDs are added on a module or a light emitting module of a lamp needing color temperature adjustment, and the green light sources with proper proportion are added under different light mixing conditions through a control device, so that the chromaticity parameter value can be close to the chromaticity track of the standard light source. The driving current values of the low color temperature white light LED, the high color temperature white light LED and the green light LED are changed through the control device, so that the luminous flux distribution of a specific proportion is achieved.
Furthermore, the low color temperature white light LED has the color temperature of 1800K, 2400K, 2700K or 3000K, and the color temperature of the high color temperature white light LED is 3500K, 5000K, 4000K, 5700K and 6500K.
Furthermore, the proportion of the number of the green LED light sources to the number of all the LED light sources is less than or equal to 1/6, and the influence on the cost is small.
Furthermore, the power of the green light LED light source is less than or equal to 10% of the total power of the light emitting module, the energy ratio of the green light is very small, the power ratio of the green light corresponding to the whole lamp is not large and cannot exceed 10% of the total power, and the green light has low luminous efficiency, which means that the light effect change of the lamp is very weak compared with a color temperature adjusting illumination product without the green light LED light source, so that the illumination requirement and the basic energy efficiency requirement of the corresponding occasion are met.
Further, when the low color temperature white light LED has a 2700K color temperature and the high color temperature white light LED has a 5000K color temperature
When the color temperature of the light emitting module is 2700K, the luminous flux of the low color temperature white light LED is 100%;
when light emitting module's colour temperature from 2700K crescent to 3000K, low colour temperature white light LED's luminous flux reduces gradually, and high colour temperature white light LED's luminous flux crescent collocates the green glow LED of certain luminous flux, when low colour temperature white light LED's luminous flux: high color temperature white light LED: the luminous flux of the green LED was increased to 57 ± 10: the color temperature of the light-emitting module is increased to 3000K when the ratio is 12 +/-2: 1;
when the colour temperature of light emitting module is from 3000K crescent to 3500K, low colour temperature white light LED's luminous flux continues to reduce gradually, and high colour temperature white light LED's luminous flux crescent collocates the green glow LED of certain luminous flux, when low colour temperature white light LED's luminous flux: high color temperature white light LED: the luminous flux of the green LED increases to 32 ± 6: the color temperature of the light emitting module is increased to 3500K when the ratio of the color temperature to the color temperature is 20 +/-4: 1;
when the color temperature of the light emitting module is gradually increased from 3500K to 4000K, the luminous flux of the low color temperature white light LED continues to be gradually reduced, the luminous flux of the high color temperature white light LED is gradually increased, and the green light LED with certain luminous flux is matched with the luminous flux of the low color temperature white light LED: high color temperature white light LED: the luminous flux of the green LED increases to 17 ± 4: the color temperature of the light-emitting module is increased to 4000K when the ratio is 32 +/-6: 1;
when the color temperature of the light emitting module is gradually increased from 4000K to 5000K, the luminous flux of the low color temperature white light LED is continuously and gradually reduced, the luminous flux of the high color temperature white light LED is gradually increased, the green light LED with certain luminous flux is matched, and when the luminous flux of the high color temperature white light LED is 100%, the color temperature of the light emitting module is increased to 5000K.
Further, when the low color temperature white light LED has a 2700K color temperature and the high color temperature white light LED has a 6500K color temperature
When the color temperature of the light emitting module is 2700K, the luminous flux of the low color temperature white light LED is 100%;
when light emitting module's colour temperature from 2700K crescent to 3000K, low colour temperature white light LED's luminous flux reduces gradually, and high colour temperature white light LED's luminous flux crescent collocates the green glow LED of certain luminous flux, when low colour temperature white light LED's luminous flux: high color temperature white light LED: the luminous flux of the green LED increases to 36 ± 8: when the ratio of the color temperature of the light-emitting module is 5 +/-1: 1, the color temperature of the light-emitting module is increased to 3000K;
when the colour temperature of light emitting module is from 3000K crescent to 3500K, low colour temperature white light LED's luminous flux continues to reduce gradually, and high colour temperature white light LED's luminous flux crescent collocates the green glow LED of certain luminous flux, when low colour temperature white light LED's luminous flux: high color temperature white light LED: the luminous flux of the green LED increases to 18 ± 4: when the ratio of the color temperature of the light emitting module to the color temperature of the light emitting module is 7 +/-2: 1, the color temperature of the light emitting module is increased to 3500K;
when the color temperature of the light emitting module is gradually increased from 3500K to 4000K, the luminous flux of the low color temperature white light LED continues to be gradually reduced, the luminous flux of the high color temperature white light LED is gradually increased, and the green light LED with certain luminous flux is matched with the luminous flux of the low color temperature white light LED: high color temperature white light LED: the luminous flux of the green LED increases to 11 ± 2: when the ratio of the color temperature of the light-emitting module is 8 +/-2: 1, the color temperature of the light-emitting module is increased to 4000K;
when the color temperature of the light emitting module is gradually increased from 4000K to 6500K, the luminous flux of the low color temperature white light LED is continuously and gradually reduced, the luminous flux of the high color temperature white light LED is gradually increased, the green light LED with certain luminous flux is matched, and when the luminous flux of the high color temperature white light LED is 100%, the color temperature of the light emitting module is increased to 6500K.
The utility model discloses a light-emitting module is applicable to the face light-emitting module, also is applicable to lines type light-emitting module. The shape of the surface light emitting module can be classified into a circular shape, a rectangular shape, other shapes, and the like. The shape of the line type light emitting module can be divided into a straight strip type, an S type, an arc type and other shapes, and according to different applications, the hard lamp panel and the flexible circuit board can be used on the straight strip type light emitting module.
The utility model discloses the beneficial effect who reaches is: the utility model discloses an increase partly green glow LED above light emitting module, increase the green glow light source of suitable proportion through controlling means under the different mixed light circumstances and can make the chromaticity parameter value press close to standard light source chromaticity track.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a prior art two-color temperature-mixed chromaticity trace and a standard light source reference chromaticity trace;
fig. 2 is an example of the arrangement of three kinds of LEDs in a panel-type light emitting module;
fig. 3 is an example of the arrangement of three kinds of LEDs in the line type light emitting module.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Examples
As shown in fig. 2, an LED circular panel light emitting module including a green light source to realize multiple color temperatures includes a substrate 4 and a plurality of low color temperature white LEDs 2, high color temperature white LEDs 3, and green LEDs 1 disposed on the substrate; the color temperature of the high color temperature white light LED is higher than that of the low color temperature white light LED; different chromaticity values are realized by adjusting the luminous flux of the low-color-temperature white light LED, the high-color-temperature white light LED and the green light LED. The scheme is that a part of green light LEDs are added on a module or a light emitting module of a lamp needing color temperature adjustment, and the green light sources with proper proportion are added under different light mixing conditions through a control device, so that the chromaticity parameter value can be close to the chromaticity track of the standard light source. The driving current values of the low color temperature white light LED, the high color temperature white light LED and the green light LED are changed through the control device, so that the luminous flux distribution of a specific proportion is achieved.
In this embodiment, when the low color temperature white light LED has a 2700K color temperature and the high color temperature white light LED has a 5000K color temperature
When the color temperature of the light emitting module is 2700K, the luminous flux of the low color temperature white light LED is 100%;
when light emitting module's colour temperature from 2700K crescent to 3000K, low colour temperature white light LED's luminous flux reduces gradually, and high colour temperature white light LED's luminous flux crescent collocates the green glow LED of certain luminous flux, when low colour temperature white light LED's luminous flux: high color temperature white light LED: the luminous flux of the green LED was increased to 57 ± 10: the color temperature of the light-emitting module is increased to 3000K when the ratio is 12 +/-2: 1;
when the colour temperature of light emitting module is from 3000K crescent to 3500K, low colour temperature white light LED's luminous flux continues to reduce gradually, and high colour temperature white light LED's luminous flux crescent collocates the green glow LED of certain luminous flux, when low colour temperature white light LED's luminous flux: high color temperature white light LED: the luminous flux of the green LED increases to 32 ± 6: the color temperature of the light emitting module is increased to 3500K when the ratio of the color temperature to the color temperature is 20 +/-4: 1;
when the color temperature of the light emitting module is gradually increased from 3500K to 4000K, the luminous flux of the low color temperature white light LED continues to be gradually reduced, the luminous flux of the high color temperature white light LED is gradually increased, and the green light LED with certain luminous flux is matched with the luminous flux of the low color temperature white light LED: high color temperature white light LED: the luminous flux of the green LED increases to 17 ± 4: the color temperature of the light-emitting module is increased to 4000K when the ratio is 32 +/-6: 1;
when the color temperature of the light emitting module is gradually increased from 4000K to 5000K, the luminous flux of the low color temperature white light LED is continuously and gradually reduced, the luminous flux of the high color temperature white light LED is gradually increased, the green light LED with certain luminous flux is matched, and when the luminous flux of the high color temperature white light LED is 100%, the color temperature of the light emitting module is increased to 5000K.
Example 3
As shown in fig. 3: an LED line type light emitting module including a green light source to realize multi-color temperature comprises a substrate 4 and a plurality of low-color temperature white LEDs 2, high-color temperature white LEDs 3 and green LEDs 1 arranged on the substrate; the color temperature of the high color temperature white light LED is higher than that of the low color temperature white light LED; different chromaticity values are realized by adjusting the luminous flux of the low-color-temperature white light LED, the high-color-temperature white light LED and the green light LED.
In this embodiment, when the low color temperature white light LED is 2700K color temperature and the high color temperature white light LED is 6500K color temperature
When the color temperature of the light emitting module is 2700K, the luminous flux of the low color temperature white light LED is 100%;
when light emitting module's colour temperature from 2700K crescent to 3000K, low colour temperature white light LED's luminous flux reduces gradually, and high colour temperature white light LED's luminous flux crescent collocates the green glow LED of certain luminous flux, when low colour temperature white light LED's luminous flux: high color temperature white light LED: the luminous flux of the green LED increases to 36 ± 8: when the ratio of the color temperature of the light-emitting module is 5 +/-1: 1, the color temperature of the light-emitting module is increased to 3000K;
when the colour temperature of light emitting module is from 3000K crescent to 3500K, low colour temperature white light LED's luminous flux continues to reduce gradually, and high colour temperature white light LED's luminous flux crescent collocates the green glow LED of certain luminous flux, when low colour temperature white light LED's luminous flux: high color temperature white light LED: the luminous flux of the green LED increases to 18 ± 4: when the ratio of the color temperature of the light emitting module to the color temperature of the light emitting module is 7 +/-2: 1, the color temperature of the light emitting module is increased to 3500K;
when the color temperature of the light emitting module is gradually increased from 3500K to 4000K, the luminous flux of the low color temperature white light LED continues to be gradually reduced, the luminous flux of the high color temperature white light LED is gradually increased, and the green light LED with certain luminous flux is matched with the luminous flux of the low color temperature white light LED: high color temperature white light LED: the luminous flux of the green LED increases to 11 ± 2: when the ratio of the color temperature of the light-emitting module is 8 +/-2: 1, the color temperature of the light-emitting module is increased to 4000K;
when the color temperature of the light emitting module is gradually increased from 4000K to 5000K, the luminous flux of the low color temperature white light LED is continuously and gradually reduced, the luminous flux of the high color temperature white light LED is gradually increased, the green light LED with certain luminous flux is matched, and when the luminous flux of the high color temperature white light LED is 100%, the color temperature of the light emitting module is increased to 5000K.
The utility model discloses a light-emitting module is applicable to the face light-emitting module, also is applicable to lines type light-emitting module. The shape of the surface light emitting module can be classified into a circular shape, a rectangular shape, other shapes, and the like. The shape of the line type light emitting module can be divided into a straight strip type, an S type, an arc type and other shapes, and according to different applications, the hard lamp panel and the flexible circuit board can be used on the straight strip type light emitting module.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An LED light-emitting module containing a green light source to realize multiple color temperatures is characterized by comprising a substrate and a plurality of low color temperature white LEDs, high color temperature white LEDs and green light LEDs which are arranged on the substrate; the color temperature of the high color temperature white light LED is higher than that of the low color temperature white light LED; different chromaticity values are realized by adjusting the luminous flux of the low-color-temperature white light LED, the high-color-temperature white light LED and the green light LED.
2. The LED light module of claim 1, wherein the low color temperature white LEDs have a color temperature of 1800K, 2400K, 2700K, or 3000K, and the high color temperature white LEDs have a color temperature of 3500K, 5000K, 4000K, 5700K, or 6500K.
3. The LED light module of claim 1, wherein the ratio of the number of green LED light sources to the number of all LED light sources is no more than 1/6.
4. The LED lighting module of claim 1 or 3 comprising a green light source to achieve multiple color temperatures, wherein the power of the green LED light source is less than or equal to 10% of the total power of the lighting module.
5. The LED lighting module of claim 4 including a green light source for achieving multiple color temperatures, wherein the low color temperature white LED is at 2700K and the high color temperature white LED is at 5000K
When the color temperature of the light emitting module is 2700K, the luminous flux of the low color temperature white light LED is 100%;
when light emitting module's colour temperature from 2700K crescent to 3000K, low colour temperature white light LED's luminous flux reduces gradually, and high colour temperature white light LED's luminous flux crescent collocates the green glow LED of certain luminous flux, when low colour temperature white light LED's luminous flux: high color temperature white light LED: the luminous flux of the green LED was increased to 57 ± 10: the color temperature of the light-emitting module is increased to 3000K when the ratio is 12 +/-2: 1;
when the colour temperature of light emitting module is from 3000K crescent to 3500K, low colour temperature white light LED's luminous flux continues to reduce gradually, and high colour temperature white light LED's luminous flux crescent collocates the green glow LED of certain luminous flux, when low colour temperature white light LED's luminous flux: high color temperature white light LED: the luminous flux of the green LED increases to 32 ± 6: the color temperature of the light emitting module is increased to 3500K when the ratio of the color temperature to the color temperature is 20 +/-4: 1;
when the color temperature of the light emitting module is gradually increased from 3500K to 4000K, the luminous flux of the low color temperature white light LED continues to be gradually reduced, the luminous flux of the high color temperature white light LED is gradually increased, and the green light LED with certain luminous flux is matched with the luminous flux of the low color temperature white light LED: high color temperature white light LED: the luminous flux of the green LED increases to 17 ± 4: the color temperature of the light-emitting module is increased to 4000K when the ratio is 32 +/-6: 1;
when the color temperature of the light emitting module is gradually increased from 4000K to 5000K, the luminous flux of the low color temperature white light LED is continuously and gradually reduced, the luminous flux of the high color temperature white light LED is gradually increased, the green light LED with certain luminous flux is matched, and when the luminous flux of the high color temperature white light LED is 100%, the color temperature of the light emitting module is increased to 5000K.
6. The LED light module of claim 4, wherein the LED module comprises a green light source for realizing multiple color temperatures, and the low color temperature white LED is 2700K and 6500K when the high color temperature white LED is 6500K
When the color temperature of the light emitting module is 2700K, the luminous flux of the low color temperature white light LED is 100%;
when light emitting module's colour temperature from 2700K crescent to 3000K, low colour temperature white light LED's luminous flux reduces gradually, and high colour temperature white light LED's luminous flux crescent collocates the green glow LED of certain luminous flux, when low colour temperature white light LED's luminous flux: high color temperature white light LED: the luminous flux of the green LED increases to 36 ± 8: when the ratio of the color temperature of the light-emitting module is 5 +/-1: 1, the color temperature of the light-emitting module is increased to 3000K;
when the colour temperature of light emitting module is from 3000K crescent to 3500K, low colour temperature white light LED's luminous flux continues to reduce gradually, and high colour temperature white light LED's luminous flux crescent collocates the green glow LED of certain luminous flux, when low colour temperature white light LED's luminous flux: high color temperature white light LED: the luminous flux of the green LED increases to 18 ± 4: when the ratio of the color temperature of the light emitting module to the color temperature of the light emitting module is 7 +/-2: 1, the color temperature of the light emitting module is increased to 3500K;
when the color temperature of the light emitting module is gradually increased from 3500K to 4000K, the luminous flux of the low color temperature white light LED continues to be gradually reduced, the luminous flux of the high color temperature white light LED is gradually increased, and the green light LED with certain luminous flux is matched with the luminous flux of the low color temperature white light LED: high color temperature white light LED: the luminous flux of the green LED increases to 11 ± 2: when the ratio of the color temperature of the light-emitting module is 8 +/-2: 1, the color temperature of the light-emitting module is increased to 4000K;
when the color temperature of the light emitting module is gradually increased from 4000K to 6500K, the luminous flux of the low color temperature white light LED is continuously and gradually reduced, the luminous flux of the high color temperature white light LED is gradually increased, the green light LED with certain luminous flux is matched, and when the luminous flux of the high color temperature white light LED is 100%, the color temperature of the light emitting module is increased to 6500K.
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