CN206611610U - A kind of adjustable LED/light source of color parameter - Google Patents
A kind of adjustable LED/light source of color parameter Download PDFInfo
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- CN206611610U CN206611610U CN201720190729.9U CN201720190729U CN206611610U CN 206611610 U CN206611610 U CN 206611610U CN 201720190729 U CN201720190729 U CN 201720190729U CN 206611610 U CN206611610 U CN 206611610U
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Abstract
The utility model discloses a kind of adjustable LED/light source of color parameter and its adjusting method, the LED/light source includes：First white LED unit, the second white LED unit, red-light LED unit, green light LED unit, blue-ray LED unit and the control unit being connected respectively with foregoing five kinds of LED units；Described control unit is used to adjust one or more electrical parameter values in foregoing five kinds of LED units respectively, obtains default color parameter value.
Description
Technical field
The utility model is related to technical field of LED illumination, more particularly to a kind of adjustable LED/light source of color parameter and its tune
Section method.
Background technology
LED light box has been widely used in the signboard of the indoor and outdoor spaces such as market, retail shop, hotel, museum, drawn
The various scenes such as lead, show, primarily serving the effects such as displaying corporate culture, humane style and features, scenery landscape, advertisement.For difference
Application scenarios, it indicated such as Apple Inc., identified, light source used in the brand image displaying advertising lamp box, especially
It is the use of white light source, there is very careful and harsh color parameter requirement.Because the light source of particular color parameter, right
Have significant impact in mood, cognition degree, the impression to the whole interior space and the displaying of people.Even if for example, the color of light source
Temperature is identical, and the color parameter of its light sent also has many differences.
Authorization Notice No. discloses a kind of high colour developing of adjustable color temperature for CN104075162 B Chinese utility model patent
Property White-light LED illumination system, it includes 3 groups of LED/light sources, and every group of LED/light source is powered by an independent driver, each driving
Device is controlled by a control passage, to change the light output ratio of corresponding each group LED/light source, so as to obtain different-colour
White light.Its White-light LED illumination system color tolerance SDCM≤7, nine kinds of special colour rendering index R9 of colour rendering index Ra >=85, the >=
85, adjustable color scope is 2000-10000K.But the purpose is to obtain compared with high color rendering index (CRI) while have both it is easy to control,
The white light for the characteristics of color drift is small, the white light obtained by this method, its colour rendering index Ra is in order to while the colour developing of balancing equipment
Index R9, property easy to control and color drift can not reach more than 90.
Authorization Notice No. proposes a kind of using 4 predetermined light of LED mixing generations for US8928253 B2 United States Patent (USP)
The method of color, including 1 RGB LED, 1 green light LED, 1 blue-ray LED, and a white light LEDs, white light LEDs can be by indigo plant
Light excites YAG fluorescent powder to light.The white light of default chromaticity coordinates can be obtained by the energy weight for adjusting 4 LED, in some feelings
Colour rendering index can reach more than 90 under condition.On the one hand, the algorithm of its energy weight is complex, and needs the same time control of 4 passages
Light output processed, it is difficult to rapidly and accurately adjust out the color parameter required for site of deployment；On the other hand, produced by its mixing
White light, although colour rendering index can reach more than 90, but its Duv (distance from the blackbody line,
Distance of the chromaticity coordinates point to blackbody curve) can not simultaneously it be adjusted with colour temperature, color rendition index, therefore can not can not meet difference
The requirement of particular color parameter under application scenarios.
Utility model content
One of the purpose of this utility model at least that, in view of the above-mentioned problems of the prior art, providing a kind of color
The LED/light source and its adjusting method of Parameter adjustable, can be by adjusting the light output ratio of specific LED unit, while making LED
Duv, colour temperature, color rendition index and the illumination of light source meet the requirement of default color parameter.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of adjustable LED/light source of color parameter, it includes：First white LED unit, the second white LED unit, feux rouges
LED unit, green light LED unit, blue-ray LED unit and the control unit being connected respectively with foregoing five kinds of LED units；
Described control unit is used to adjust one or more electrical parameter values in foregoing five kinds of LED units respectively, obtains pre-
If color parameter value.
Preferably, the red-light LED unit, green light LED unit, blue-ray LED unit are integrated package assembling；Described first
White LED unit, the second white LED unit are respectively individual packages component；Or, foregoing five kinds of LED units are independent envelope
Arrangement.
Preferably, the correlated colour temperature of first white LED unit be 3850K~6500K, dominant wavelength be 555nm~
575nm, halfwidth of line is 14nm~29nm, and colour rendering index Ra is 75~93.
Preferably, the correlated colour temperature of second white LED unit be 2700K~3850K, dominant wavelength be 575nm~
595nm, halfwidth of line is 146nm~179nm, and colour rendering index Ra is 75~95.
Preferably, the dominant wavelength of the red-light LED unit is 619-624nm, and halfwidth of line is 12.1~22.1nm.
Preferably, the dominant wavelength of the green light LED unit is 520~540nm, and halfwidth of line is 23.2~33.2nm.
Preferably, the dominant wavelength of the blue-ray LED unit is 460~480nm, and halfwidth of line is 17.9~27.9nm.
Preferably, the color parameter include correlated colour temperature, chromaticity coordinates point to blackbody curve apart from Duv, colour rendering index,
And illumination.
Preferably, its correlated colour temperature is 3200K~4800K, and Duv is -0.0055~+0.0016, colour rendering index Ra>90,
And illumination is 3500Lux~4500Lux.
A kind of method for adjusting LED/light source color parameter, it includes：Pass through the control in any described LED/light source
Unit processed, adjusts the first white LED unit in the LED/light source, the second white LED unit, red-light LED unit, green respectively
One or more electrical parameter values in light LED unit and blue-ray LED unit, obtain default color parameter value.
In summary, by adopting the above-described technical solution, the utility model at least has the advantages that：
By the control unit in LED/light source, respectively first white LED unit of the regulation with specific light output parameter,
One or more electrical parameter in second white LED unit, red-light LED unit, green light LED unit and blue-ray LED unit
Value, obtains the light output ratio of specific LED unit, while making the Duv of LED/light source, colour temperature, color rendition index and illumination
Meet the requirement of default color parameter；Also, the complexity of regulation control mode of the present utility model is low, be easy to according to existing
Field use environment is adjusted at any time；In addition, by the selection to each LED unit parameter, only pass through five kinds of special parameter scopes
LED unit can just obtain the LED/light source of pre-set color parameter area, and the cost of LED/light source can be greatly reduced.
Brief description of the drawings
Fig. 1 and Fig. 2 are the structural representations of the adjustable LED/light source of color parameter according to the utility model embodiment；
Fig. 3 and Fig. 4 are the first white light in the adjustable LED/light source of color parameter according to the utility model embodiment respectively
The relative spectral figure and chromaticity coordinate figure of LED unit；
Fig. 5 and Fig. 6 are the second white light in the adjustable LED/light source of color parameter according to the utility model embodiment respectively
The relative spectral figure and chromaticity coordinate figure of LED unit；
Fig. 7 and Fig. 8 are red-light LED list in the adjustable LED/light source of color parameter according to the utility model embodiment respectively
The relative spectral figure and chromaticity coordinate figure of member；
Fig. 9 and Figure 10 are green light LED list in the adjustable LED/light source of color parameter according to the utility model embodiment respectively
The relative spectral figure and chromaticity coordinate figure of member；
Figure 11 and Figure 12 are blue-ray LED in the adjustable LED/light source of color parameter according to the utility model embodiment respectively
The relative spectral figure and chromaticity coordinate figure of unit；
Figure 13 and Figure 14 are the relative spectral of the adjustable LED/light source of color parameter according to the utility model embodiment respectively
Figure and chromaticity coordinate figure.
Embodiment
Below in conjunction with the accompanying drawings and embodiment, the utility model is further elaborated, so that of the present utility model
Object, technical solution and advantage are more clearly understood.It should be appreciated that specific embodiment described herein is only to explain this reality
With new, it is not used to limit the utility model.
As depicted in figs. 1 and 2, a kind of LED of the adjustable LED/light source of color parameter disclosed in the embodiment of the utility model one
Unit is installed on the substrate 5.The LED/light source includes：First white LED unit 1, the second white LED unit 2, red-light LED list
First 31, green light LED unit 32, blue-ray LED unit 33 and the circuit passed through respectively with foregoing five kinds of LED units on substrate 5 connect
The control unit 4 connect.Wherein, foregoing five kinds of LED units can be uniformly arranged on the substrate 5, spacing between five or
Every equal or to be set to according to the difference of application scenarios distance between any two different.Described control unit 4 is used to distinguish
One or more electrical parameter values in foregoing five kinds of LED units (1,2,31,32 and 33) are adjusted, default color ginseng is obtained
Numerical value.
In a preferred embodiment, as shown in figure 1, red-light LED unit 31, green light LED unit 32, blue-ray LED unit
33 are integrated package assembling 3；First white LED unit 1, the second white LED unit 2 are respectively individual packages component, tool
Body, three can be arranged on substrate in triangle disposition or " one " font.Or, as shown in Fig. 2 foregoing five kinds of LED are mono-
Member is individual packages component (for example, 1,2,31,32 and 33), specifically, and five can be evenly provided on spaced
On substrate 5, for example, setting can be circumferentially uniformly distributed, or rectangular is arranged in.
Fig. 3 and Fig. 4 are first white in the adjustable LED/light source of a kind of color parameter that the embodiment of utility model one is provided respectively
The relative spectral figure and chromaticity coordinate figure of light LED unit.As illustrated, the chromaticity coordinate of the first white LED unit：X=
0.3546, y=0.3673；Correlated colour temperature TCC=4725K；Dominant wavelength λ d=572.5nm；Excitation Pur=16.6%；Barycenter
Wavelength=562.0nm；Color ratio is R=17.5%, G=79.1%, B=3.4%；Peak wavelength=445.0nm；Line half-width
Spend Δ λ p=17.9nm；Colour rendering index Ra=82.3；Color tolerance is 4.6SDCM.
Fig. 5 and Fig. 6 are the relative spectral figure and chromaticity coordinate figure of the second white LED unit respectively.As illustrated, second is white
The chromaticity coordinate of light LED unit：X=0.4252, y=0.3995；Correlated colour temperature TCC=3170K；Dominant wavelength λ d=582.2nm；
Excitation Pur=47.5%；Centroid wavelength=597.0nm；Color ratio is R=24.9%, G=72.0%, B=3.1%；Peak value ripple
Long λ p=615.0nm；Halfwidth of line Δ λ p=163.9nm；Colour rendering index Ra=92.6；Color tolerance is 6.2SDCM.
Fig. 7 and Fig. 8 are the relative spectral figure and chromaticity coordinate figure of red-light LED unit respectively.As illustrated, red-light LED list
The chromaticity coordinate of member：X=0.6934, y=0.3045；Correlated colour temperature TCC=1001K；Dominant wavelength λ d=622.1nm；Excitation
Pur=99.4%；Centroid wavelength=630.0nm；Color ratio is R=96.2%, G=3.7%, B=0.0%；Peak wavelength=
630.0nm；Halfwidth of line Δ λ p=17.1nm；Colour rendering index Ra=19.5；Color tolerance is 182.5SDCM.
Fig. 9 and Figure 10 are the relative spectral figure and chromaticity coordinate figure of green light LED unit respectively.As illustrated, green light LED list
The chromaticity coordinate of member：X=0.1683, y=0.7289；Correlated colour temperature TCC=7829K；Dominant wavelength λ d=527.0nm；Excitation
Pur=81.5%；Centroid wavelength=524.0nm；Color ratio is R=0.9%, G=98.0%, B=1.1%；Peak wavelength=
520.0nm；Halfwidth of line Δ λ p=28.2nm；Colour rendering index Ra=-23.9；Color tolerance is 284.8SDCM.
Figure 11 and Figure 12 are the relative spectral figure and chromaticity coordinate figure of blue-ray LED unit respectively.As illustrated, blue-ray LED
The chromaticity coordinate of unit：X=0.1366, y=0.0748；Correlated colour temperature TCC=100000K；Dominant wavelength λ d=470..1 1nm；
Excitation Pur=94.0%；Centroid wavelength=468.0nm；Color ratio is R=2.8%, G=24.7%, B=72.5%；Peak value ripple
Long λ p=465.0nm；Halfwidth of line Δ λ p=22.9nm；Colour rendering index Ra=-32.4；Color tolerance is 115.7SDCM.
Wire on substrate is by the first white LED unit, the second white LED unit, red-light LED unit, green light LED list
Member and blue-ray LED unit are connected with control unit respectively, are adjusted respectively by control unit one in foregoing five kinds of LED units
Person or the electrical parameter values of many persons, for example, increasing and/or reducing one or more forward voltage in foregoing five kinds of LED units
Value and/or current value, make the light output energy proportion of five kinds of LED units identical or difference, and can further increase or
Person reduce five kinds of respective quantity of LED unit, the color parameter of LED/light source can be made as shown in table 1 below, its relative spectral figure and
Chromaticity coordinate figure is as shown in Figure 13 and Figure 14.
Table 1
In a preferred embodiment, by select using correlated colour temperature be 3850K~6500K, dominant wavelength be 555nm~
575nm, halfwidth of line is 14nm~29nm, and colour rendering index Ra is 75~93 the first white LED unit；Correlated colour temperature is
2700K~3850K, dominant wavelength is 575nm~595nm, and halfwidth of line is 146nm~179nm, and colour rendering index Ra is 75~95
The second white LED unit；Dominant wavelength is 619-624nm, and halfwidth of line is 12.1~22.1nm red-light LED unit；It is main
Wavelength is 520~540nm, and halfwidth of line is 23.2~33.2nm green light LED units；And, dominant wavelength is 460~480nm,
Halfwidth of line is 17.9~27.9nm blue-ray LED units, and is further adjusted respectively by the control unit in LED/light source
The first white LED unit, the second white LED unit, red-light LED unit, green light LED unit, Yi Jilan in the LED/light source
The electrical parameter values of one or more in light LED unit, the correlated colour temperature for the LED/light source that can be obtained is 3200K~4800K, Duv
For -0.0055~+0.0016, colour rendering index Ra>90, and illumination is 3500Lux~4500Lux.It can be seen that, pass through five kinds of specific ginsengs
The selection of number LED unit, can obtain the LED/light source that disclosure satisfy that more harsh color parameter requirement.
The utility model further embodiment discloses a kind of method for adjusting LED/light source color parameter, by this
The adjustable LED/light source of color parameter acquired in method can apply to various need the scene of precise color state modulator.Example
Such as, in the light source for the white apple form mark that LED/light source of the present utility model is used as to apple retail shop Apple Store
When, on the one hand, can be by adjusting the first white LED unit, the second white LED unit, red-light LED unit, green light LED list
Member and the quantity of blue-ray LED unit make it be uniformly distributed and corresponding with character shape, so as to obtain uniform illumination parameter；
On the other hand, the light output energy proportion of each LED unit can be adjusted respectively by control unit, so that LED/light source
Duv, colour temperature, color rendition index and illumination meet the requirement of default color parameter.
Specifically, for example, when quantity and the equal specified light output energy proportion of first, second white LED units, etc.
Amplitude increase with irradiated object (for example, inner surface of the apple form mark made using acrylic board) corresponding first and
The forward current value of second white LED units improves its voltage, and keeps red LED units electrical parameter constant, so as to improve
The illumination of LED/light source, and keep the Duv of LED/light source, colour temperature, color rendition index constant.
In a preferred embodiment, can further by increase or reduce red LED units, green light LED unit, with
And in blue-ray LED unit one or many persons quantity and/or light output energy (for example, by increasing its forward current or electricity
Pressure) simultaneously, so as to change the Duv of LED/light source, colour temperature, color rendition index.Finally, by setting the first white LED unit, second
White LED unit, red-light LED unit, green light LED unit, the quantitative proportion of five kinds of LED units of blue-ray LED unit and/or change
Light energy export ratio, can obtain Duv, colour temperature, color rendition index and illumination and meet default color parameter requirement
LED/light source.
Embodiment of above is merely to illustrate preferred embodiment of the present utility model, rather than to limitation of the present utility model.
Those skilled in the technology concerned in the case where not departing from principle of the present utility model and scope, the various replacements made,
Modification and improvement should be included within protection domain of the present utility model.
Claims (6)
1. a kind of adjustable LED/light source of color parameter, it is characterised in that the LED/light source includes：First white LED unit,
Two white LED units, red-light LED unit, green light LED unit, blue-ray LED unit and connect respectively with foregoing five kinds of LED units
The control unit connect；
Described control unit is used to adjust one or more electrical parameter values in foregoing five kinds of LED units respectively, obtains default
Color parameter value；
The correlated colour temperature of first white LED unit is 3850K~6500K, and dominant wavelength is 555nm~575nm, line half-width
Spend for 14nm~29nm, colour rendering index Ra is 75~93；
The correlated colour temperature of second white LED unit is 2700K~3850K, and dominant wavelength is 575nm~595nm, line half-width
Spend for 146nm~179nm, colour rendering index Ra is 75~95；
The color parameter includes correlated colour temperature, chromaticity coordinates point to blackbody curve apart from Duv, colour rendering index and illumination.
2. LED/light source according to claim 1, it is characterised in that the red-light LED unit, green light LED unit, blue light
LED unit is integrated package assembling；First white LED unit, the second white LED unit are respectively individual packages component；
Or, foregoing five kinds of LED units are individual packages component.
3. LED/light source according to claim 1, it is characterised in that the dominant wavelength of the red-light LED unit is 619-
624nm, halfwidth of line is 12.1~22.1nm.
4. LED/light source according to claim 1, it is characterised in that the dominant wavelength of the green light LED unit is 520~
540nm, halfwidth of line is 23.2~33.2nm.
5. LED/light source according to claim 1, it is characterised in that the dominant wavelength of the blue-ray LED unit is 460~
480nm, halfwidth of line is 17.9~27.9nm.
6. LED/light source according to claim 3, it is characterised in that its correlated colour temperature is 3200K~4800K, Duv for-
0.0055~+0.0016, colour rendering index Ra>90, and illumination is 3500Lux~4500Lux.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803017A (en) * | 2018-06-14 | 2018-11-13 | 深圳市点睛创视技术有限公司 | A kind of video display light road construction method and device |
| CN110225334A (en) * | 2019-06-19 | 2019-09-10 | 杭州电子科技大学 | OTP light source automatic calibrating method and system towards mobile phone module detection |
| WO2020244643A1 (en) * | 2019-06-05 | 2020-12-10 | 深圳市光擎光电有限公司 | Light mixing adjustment method, device and system, and storage medium |
-
2017
- 2017-02-28 CN CN201720190729.9U patent/CN206611610U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803017A (en) * | 2018-06-14 | 2018-11-13 | 深圳市点睛创视技术有限公司 | A kind of video display light road construction method and device |
| WO2020244643A1 (en) * | 2019-06-05 | 2020-12-10 | 深圳市光擎光电有限公司 | Light mixing adjustment method, device and system, and storage medium |
| CN110225334A (en) * | 2019-06-19 | 2019-09-10 | 杭州电子科技大学 | OTP light source automatic calibrating method and system towards mobile phone module detection |
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