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CN104777106A - Spectrum feedback dimming colorimetric light box - Google Patents

Spectrum feedback dimming colorimetric light box Download PDF

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Publication number
CN104777106A
CN104777106A CN201510182570.1A CN201510182570A CN104777106A CN 104777106 A CN104777106 A CN 104777106A CN 201510182570 A CN201510182570 A CN 201510182570A CN 104777106 A CN104777106 A CN 104777106A
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light source
spectrum
feedback
measurement device
spectral
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CN201510182570.1A
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Chinese (zh)
Inventor
潘建根
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Hangzhou Everfine Photo E Info Co Ltd
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Hangzhou Everfine Photo E Info Co Ltd
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Priority to CN201510182570.1A priority Critical patent/CN104777106A/en
Publication of CN104777106A publication Critical patent/CN104777106A/en
Priority to PCT/CN2015/089376 priority patent/WO2016165268A1/en
Pending legal-status Critical Current

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Abstract

The invention discloses a spectrum feedback dimming colorimetric light box. The spectrum of a light source is adjusted by arranging a spectrum measurement device and utilizing the real-time feedback regulation mechanism of a feedback control device, so that the spectral power distribution of the light source meets the preset requirement, a higher rendering index is realized, and multiple types and occasions of light sources can be generated by accurate simulation; in the whole process, the luminescence spectrum of the light source is actually measured, so that the reliability of the adjustment result is guaranteed; a great deal of light source data does not need to be stored in advance, and the luminescence spectrum of the light source can be accurately adjusted; furthermore, the spectrum measurement device is flexibly arranged, so that diversified measurement functions can be realized; the spectrum feedback dimming colorimetric light box has the characteristics of being high in regulation and control speed, high in accuracy, wide in application scope, powerful in functions and the like, thus being widely applied to occasions such as color evaluation needing multiple light source spectrum lighting conditions.

Description

A kind of spectrum feedback light modulation colorimetric lamp box
[technical field]
The present invention relates to color detection field, be specifically related to a kind of spectrum feedback light modulation colorimetric lamp box.
[background technology]
In modern industry, there is more and more higher requirement to like product consistency of colour and accuracy.Along with the development of science and technology, reviewer is relied on to be compared to sample and standard color comparison card by naked eyes under common illumination to the inspection of product colour from initial, to differentiate the misalignment between sample and standard color comparison card, develop into gradually sample and standard colorimetric are placed in built-in standard sources colour assessment apparatus in test.Standard sources is usually used in simulating the artificial light sources under various ambient light, that commonly uses at present has D65 light source, D50 light source, CWF light source, A light source, TL84 light source, F light source and UV light source etc. are combined to form light source group, these combined light sources can overcome or distinguish due to environment light source the difference sample caused and the phenomenon contrasting object color distortion to a certain extent, i.e. metamerism phenomenon (metamerism), allow production plant or laboratory is non-at-scene also can obtain at the illuminating effect basically identical with the light source under these specific environments, colour assessment apparatus is mainly used in weaving, printing and coatings industry in color check.
Publication number is disclose a kind of method and apparatus of simulating high-quality daylight lamp spectrum in the patent of US 8592748B2, this technical scheme needs to store the tristimulus values of a large amount of LED light sources under default working temperature in memory as its color characteristic, and give its working temperature and PWM (pulse width modulation) value, when measurement result thereafter and storing value inconsistent time, under pre-set cycle frequency, before repeatedly driving at the same temperature, be worth problematic light source.This Spectral Matching Technique scheme needs to store a large amount of data as reference value in advance, feedback procedure is loaded down with trivial details and consuming time, in addition, still there is larger difference in the light source light spectral power distributions after matching and target optical spectrum, and whether the spectral power distribution that the light source finally obtained sends meets preset requirement cannot effectively verify.
[summary of the invention]
For above-mentioned the deficiencies in the prior art, the present invention aims to provide a kind of spectrum feedback light modulation colorimetric lamp box of tunable light source luminescent spectrum, has and regulates the features such as result can be verified, precision is high, applied widely.
The present invention is achieved by the following technical solutions: a kind of spectrum feedback light modulation colorimetric lamp box, it is characterized in that, comprise spectral measurement device, feedback regulation device and tunable light source group, spectral measurement device measures the spectral information that tunable light source group institute sends light, the luminescence of the spectral information adjustment tunable light source group that feedback regulation device records according to spectral measurement device.
The present invention by arranging spectral measurement device, the spectral information that real-time measurement light source group sends, according to the spectral information that spectral measurement device records, utilize feedback regulation device, the feedback control mechanism that tunable light source group and spectral measurement device are formed, the luminescence of real-time adjustment light source group, the spectral power distribution that light source group is sent meets set preset requirement, the spectrum feedback light modulation colorimetric lamp box of this tunable light source luminescent spectrum can realize very high color rendition index, and realize the light illumination of multiple different spectral distribution, confirmation can be measured completely to the spectrum that light source group sends simultaneously, ensure that the reliability of adjustment, there is precision high, the feature such as applied widely.
The present invention also limits by following technical scheme and perfect further:
As a kind of technical scheme, described feedback regulation device comprises signal processing unit and light source control unit, signal processing unit and light source control unit electrical connection; The difference of light source light spectrum and the target optical spectrum recorded through spectral measurement device is resolved, processed to signal processing unit, and processing signals is fed back to light source control unit.Independent adjustable light source in tunable light source group can be controlled by light source control unit, control action can be close, open and the adjustment of luminescence power, and light source control unit some or multiple light source that can control in required tunable light source group is opened, close and the adjustment of light source luminescent power;
Signal processing unit first resolve described in the difference of the light source light spectrum that records and target optical spectrum, the spectral information of wherein said target light source can be stored in advance in signal processing unit, when signal processing unit receives the measured spectra data from the transmission of spectral measurement unit, namely start to carry out analysis and comparison to both, and by pre-set programs, described difference is regulated and controled, subsequently regulation and control processing signals is fed back to light source control unit, light source control unit controls unlatching, the closedown or luminous strong and weak of respective sources in tunable light source group again; Two class unit matching to implement actual measurement light source light spectrum and the adjustment of target light source spectrum deviation, to mate target optical spectrum.
As a kind of technical scheme, described tunable light source group comprises more than one Independent adjustable light source, and described Independent adjustable light source sends luminous strong and weak adjustable special spectrum.Independent adjustable light source in above-mentioned tunable light source group can comprise the various light sources of LED light source, fluorescent light, D65 light source, D50 light source, CWF light source, A light source, TL84 light source, F light source and UV light source etc., to meet actual measurement demand international and domestic at present, improve the reliability of colorimetric.It is pointed out that the Independent adjustable light source luminescent power described in requirement is adjustable, also namely spectral power distribution changes with luminous strong and weak change.The present invention, by the type of flexible combination light source and luminous strong and weak, can realize observing sample under standard illumination conditions or certain observation environment, meet different testing requirements, extensibility and universality good.
As preferably, the spectrum of described tunable light source group covers whole visible light wave range 380nm-780nm completely, to simulate overview environment.But, can be there is certain and specifically react in some sample, as in dyestuff, some element changes after UV illumination is penetrated, thus under the irradiation of certain wavelength light source, for different test samples, the wave band that total spectrum of described tunable light source group should cover also can be different.
As a kind of technical scheme, described light source control unit comprises multiple independently program control driving unit, and independently program control driving unit independently controls the unlatching of tunable light source, closedown and luminous strong and weak adjustment.Light source control unit some or multiple tunable light source that can control in required tunable light source group is opened, closes and regulates luminous strong and weak.Because light source has different spectral distribution properties under different luminous intensities, thus change luminous intensity can realize the adjustment to spectral distribution, wherein realize the control to light source luminescent power by following several optimal way: for LED light source, the curtage of adjustment LED light source is to change the luminous intensity of LED light source; Or the change of LED light source intensity is realized by the pulsed modulation (PWM Pulse withmodulation) of LED light source; .Certainly, when light source used is different, the method controlling light source light spectral power distributions also changes thereupon, and the present invention only describes with reference to the regulative mode of light emitting diode.In addition, under the control of program control driving unit, tunable light source group regulates the luminous intensity of each Independent adjustable light source successively according to the processing signals of feedback.
The method that technique scheme can be regulated by following spectrum feedback light modulation colorimetric lamphouse light source spectrum obtains the spectral sources close or consistent with target optical spectrum, it is characterized in that, comprises following optimized algorithm:
A, an adjustment factor C is set to Independent adjustable light source each in tunable light source group i(V j), initial value C is set i(V 0), be generally set to 1;
B, the spectrum of tunable light source group recorded according to spectral measurement device, the signal processing unit in feedback regulation device calculates next C according to following formula i(V j):
C i ( U j ) = C i ( U j - 1 ) - μ Σ λ = 380 λ = 780 | S mix ( λ , U j - 1 ) - S t arg et ( λ ) | - Σ λ = 380 λ = 780 | S mix ( λ , U j - 2 ) - S t arg et ( λ ) | C i ( I j - 1 ) - C i ( I j - 2 ) - - - ( 1 - 1 )
Wherein, C i(U j) be the adjustment factor of the light source jth of i-th in tunable light source group time, i, j are any positive integer; S mix(λ, U j-1) be the spectrum of tunable light source group, S target(λ) be target optical spectrum, λ is wavelength, and μ is for regulating step-length;
C, light source control unit control the unlatching of respective sources in tunable light source group, closedown according to the feedback signal of signal processing unit and strong and weakly to regulate;
The spectrum of d, duplicate measurements tunable light source group, until meet the following conditions simultaneously, stops interative computation:
Σ λ = 380 λ = 780 | S mix ( λ , U j ) - S t arg et ( λ ) | ≤ A 1 - - - ( 1 - 2 )
|S mixj)-S target(λ)| max≤A 2(1-3)
Σ λ = 380 λ = 780 [ S mix ( λ , U j - 1 ) - S t arg et ( λ ) ] Σ λ = 380 λ = 780 [ S mix ( λ , U j ) - S t arg et ( λ ) ] ≤ A 3 - - - ( 1 - 4 )
For LED light source, adjustment factor C here i(V j) voltage regulation coefficient or Current adjustment coefficient can be set to.For different light sources, concrete adjustment value can be different, as regulating power etc., only describe with reference to LED light source herein.In addition, A 1, A 2, A 3for the error amount preset, namely at the end of iteration, three conditions need be met: the summation 1, recording spectrum and target optical spectrum deviation is less than default tolerance A simultaneously 1; 2, the maximal value recording the deviation of spectrum and target optical spectrum is less than default tolerance A 2; 3, the absolute value that front and back record the deviation of spectrum and target optical spectrum for twice is less than default tolerance A 3.It is pointed out that as only adopted the absolute value recording the deviation of spectrum and target optical spectrum no longer change or be less than the decision procedure of particular value, still exist actual record spectrum and target optical spectrum still there is the possibility do not regulated.A 1, A 2, A 3can according to user need set respectively, realize the adjustment of various accuracy requirement.
The present invention not only can be implemented in the color comparison under standard sources, also can realize the color evaluation under special spectrum light source.In addition, the present invention can not prestore a large amount of test data as reference value, by actual measurement and the Real-time Feedback regulatory mechanism of light source light spectrum, the automatic adjustment of lighting source can be realized fast, high-qualityly simulate target light source spectrum, there is the features such as regulation and control speed is fast, accuracy is high, applied widely, powerful.
The present invention also limits by following technical scheme and perfect further:
As preferably, described spectral measurement device is spectral radiometer.Spectral measurement device measures the spectral information (spectral power distribution) that in casing, tunable light source group sends, the spectral information that feedback regulation device records according to spectral measurement device, and combining target spectral information, adjustment tunable light source is luminous, repeatedly repeated measurement and feedback regulation control, until the spectral information measured by spectral measurement device is enough close to target optical spectrum information.
As a kind of technical scheme, also comprise casing, described spectral measurement device, feedback regulation device and tunable light source group are all arranged in casing.Each device is all arranged in a casing, and integration degree is high, design integration, easy to operate.
As a kind of technical scheme, described spectral measurement device is arranged on the below of tunable light source group and can moves, and spectral measurement device can move arbitrarily the spectral power distribution reaching position at case in-vivo measurement.By arranging spectral measurement device flexibly, realize diversified measurement function.
As preferably, the wallboard in described casing is provided with fluting, spectral measurement device slides along the fluting on wallboard.By the fluting on wallboard, spectral measurement device can move in casing can move arbitrarily and reach position and measure, and has the features such as dirigibility is high, simple operation.
As a kind of technical scheme, arrange display screen, the adjustment result of display screen display comprises colour rendering index, colour temperature and Spectral power distribution data and curve etc.Conveniently operate, casing arranges display screen, button, or touch-screen, for human-computer interaction, also can computer interfaceJi Suanjijiekou or radio receiver be set on casing, for spectrum feedback light modulation colorimetric lamp box and the extraneous message exchange of tunable light source luminescent spectrum.Displaying contents includes but not limited to: the luminosity such as relative spectral power distributions, colour temperature, color rendition index, chromaticity diagram, black body locus, color tolerance scope and colour measurement result and started title and the service time of light source.Display screen can be arranged on lamp box, also can arrange separately, by wired or wireless, and transmission of information mutual to lamp box.
In sum, the present invention is by arranging spectral measurement device, coordinate tunable light source, utilize the real-time feedback control mechanism of feed back control system, achieve the automatic adjustment to illuminating source, the spectral power distribution that light source is sent meets set preset requirement, realize very high color rendition index, can produce the light source of polytype and occasion by accurate simulation, the spectrum of light source used can be confirmed by measuring in real time simultaneously, ensure that the reliability regulating result; A large amount of light source data can not be prestored, the accurate adjustment of light source light spectrum can be realized fast, improve test speed; In addition, by arranging spectral measurement device flexibly, realizing diversified measurement function, there is the features such as regulation and control speed is fast, accuracy is high, applied widely, powerful, the various occasions that color evaluation etc. need regulate light source light spectrum can be widely used in.
[accompanying drawing explanation]
Accompanying drawing 1 is the schematic diagram of embodiment 1.
1-spectral measurement device; 2-feed back control system; 21-signal processing unit; 22-light source control unit; 3-tunable light source group; 4-casing; 5-display screen.
[embodiment]
Embodiment 1
As shown in Figure 1, present embodiment discloses a kind of spectrum feedback light modulation colorimetric lamp box, comprise spectral measurement device 1, feed back control system 2, tunable light source group 3, casing 4 and display screen 5.Wherein spectral measurement device 1, feed back control system 2 and tunable light source group 3 are all arranged in casing 4, and display screen 5 is arranged on casing 4.
In the present embodiment, tunable light source group 3 is made up of red LED, green LED, blue led and fluorescent light, and spectral measurement device 1 is spectral radiometer, feed back control system 2 is connected with display screen 5, feed back control system 2 comprises signal processing unit 21 and light source control unit 22, the spectral information of target light source is previously stored with in signal processing unit 21, signal processing unit 21 is connected with light source control unit 22, signal processing unit 21 is connected with spectral measurement device 1, signal processing unit 21 is resolved, process the different information of spectrum and the target optical spectrum measured through spectral measurement device 1, light source control unit 22 is fed back to by the result of difference section, light source control unit 22 is connected with tunable light source group 3, the adjustment information that light source control unit 22 feeds back according to signal processing unit 21 is to the unlatching of each Independent adjustable light source in tunable light source group 3, the adjustment of closedown and luminescence power is implemented to drive separately.By coordinating of feed back control system 2 and spectral measurement device 1, realize the adjustment to tunable light source group 3 spectrum, to mate target optical spectrum, to alleviate in test process due to the metamerism phenomenon that light source difference causes, ensure reliability and the authenticity of color comparison.
After adjustment terminates, on display screen 5, the metrical information of display comprises debugging and terminates the color rendition index of total light source in rear light source light spectrum feedback light modulation colorimetric lamp box, colour temperature and spectral power distribution, and other information comprise the title that starts light source and service time etc.
Embodiment 2
The present embodiment, by the signal processing unit 21 in feedback control unit 2 and light source control unit 22, regulates the power of each illuminating source in tunable light source group 3, can realize simulated target light source light spectrum.Wherein tunable light source group comprises one or more than one LED light source.
Concrete regulating step is as follows:
A. a voltage regulation coefficient C is set to Independent adjustable light source each in tunable light source group 3 i(V j), initial value C is set i(V 0), be generally set to 1;
The spectrum of the tunable light source group 3 b. recorded according to spectral measurement device 1, the signal processing unit 21 in feedback regulation device 2 calculates next C according to following formula i(V j):
C i ( U j ) = C i ( U j - 1 ) - μ Σ λ = 380 λ = 780 | S mix ( λ , U j - 1 ) - S t arg et ( λ ) | - Σ λ = 380 λ = 780 | S mix ( λ , U j - 2 ) - S t arg et ( λ ) | C i ( I j - 1 ) - C i ( I j - 2 ) - - - ( 1 - 1 )
Wherein ,c i(U j) be the voltage regulation coefficient of the light source jth of i-th in tunable light source group 3 time, i, j are any positive integer; S mix(λ, U j-1) be the spectrum of tunable light source group 3, S target(λ) be target optical spectrum, λ is wavelength, and μ is for regulating step-length;
C. light source control unit 22 controls the unlatching of respective sources in tunable light source group 3, closedown according to the feedback signal of signal processing unit 21 and strong and weakly to regulate;
D. the spectrum of duplicate measurements tunable light source group 3, until meet the following conditions simultaneously, stops interative computation:
Σ λ = 380 λ = 780 | S mix ( λ , U j ) - S t arg et ( λ ) | ≤ A 1 - - - ( 1 - 2 )
|S mixj)-S target(λ)| max≤A 2(1-3)
Σ λ = 380 λ = 780 [ S mix ( λ , U j - 1 ) - S t arg et ( λ ) ] Σ λ = 380 λ = 780 [ S mix ( λ , U j ) - S t arg et ( λ ) ] ≤ A 3 - - - ( 1 - 4 )
Wherein, A 1, A 2, A 3for the error amount preset.
It is emphasized that, below be only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.

Claims (10)

1. a spectrum feedback light modulation colorimetric lamp box, it is characterized in that, comprise spectral measurement device (1), feedback regulation device (2) and tunable light source group (3), spectral measurement device (1) measures tunable light source group (3) institute and sends the spectral information of light, the luminescence of spectral information adjustment tunable light source group (3) that feedback regulation device (2) records according to spectral measurement device (1).
2. spectrum feedback light modulation colorimetric lamp box as claimed in claim 1, it is characterized in that, described feedback regulation device (2) comprises signal processing unit (21) and light source control unit (22), and signal processing unit (21) is connected with light source control unit (22); Signal processing unit (21) is resolved, process the difference of light source light spectrum and the target optical spectrum measured through spectral measurement device (1), and processing signals is fed back to light source control unit (22).
3. spectrum feedback light modulation colorimetric lamp box as claimed in claim 1, it is characterized in that, described tunable light source group (3) comprises more than one Independent adjustable light source, and described Independent adjustable light source sends luminous strong and weak adjustable special spectrum.
4. the spectrum feedback light modulation colorimetric lamp box as described in claim 2 and 3, it is characterized in that, described light source control unit (22) comprises multiple independently program control driving unit, and independently program control driving unit independently controls the unlatching of tunable light source, closedown and luminous strong and weak adjustment.
5. spectrum feedback light modulation colorimetric lamp box as claimed in claim 1, it is characterized in that, described spectral measurement device (1) is spectral radiometer.
6. spectrum feedback light modulation colorimetric lamp box as claimed in claim 1, it is characterized in that, comprise casing (4), described spectral measurement device (1), feedback regulation device (2) and tunable light source group (3) are all arranged in casing (4).
7. spectrum feedback light modulation colorimetric lamp box as claimed in claim 1, it is characterized in that, described spectral measurement device (1) is arranged on the below of tunable light source group (3) and can moves, and spectral measurement device (1) measurement in casing (4) can move arbitrarily the spectral distribution reaching position.
8. spectrum feedback light modulation colorimetric lamp box as claimed in claim 7, it is characterized in that, the wallboard in described casing (4) is provided with fluting, and spectral measurement device (1) slides along the fluting on wallboard.
9. spectrum feedback light modulation colorimetric lamp box as claimed in claim 1, it is characterized in that, arrange display screen (5), the adjustment result of the upper display of display screen (5) comprises colour rendering index, colour temperature and Spectral power distribution data and curve etc.
10. a light source light spectrum control method for spectrum feedback light modulation colorimetric lamp box, is characterized in that, comprise the following steps:
A. an adjustment factor C is set to Independent adjustable light source each in tunable light source group (3) i(V j), initial value C is set i(V 0);
The spectrum of the tunable light source group (3) b. recorded according to spectral measurement device (1), the signal processing unit (21) in feedback regulation device (2) regulates the next C of formulae discovery according to presetting i(V j):
C. light source control unit (22) controls the unlatching of respective sources in tunable light source group (3), closedown according to the feedback signal of signal processing unit (21) and strong and weakly to regulate;
D. the spectrum of duplicate measurements tunable light source group (3) is gone forward side by side row iteration computing, until meet pre-conditioned, stops interative computation, completes adjustment.
CN201510182570.1A 2015-04-17 2015-04-17 Spectrum feedback dimming colorimetric light box Pending CN104777106A (en)

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PCT/CN2015/089376 WO2016165268A1 (en) 2015-04-17 2015-09-10 Spectral feedback dimming color viewing light booth

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105681555A (en) * 2016-01-13 2016-06-15 广东欧珀移动通信有限公司 Color temperature debugging device and method and mobile terminal
WO2016165268A1 (en) * 2015-04-17 2016-10-20 杭州远方光电信息股份有限公司 Spectral feedback dimming color viewing light booth
CN106102210A (en) * 2016-06-02 2016-11-09 北京印刷学院 An Intelligently Adjustable LED Artwork Lighting System
CN106768315A (en) * 2017-02-17 2017-05-31 广东天正科技有限公司 Luminance testing method and device for a combined lighting fixture
WO2017121051A1 (en) * 2016-01-15 2017-07-20 常州千明智能照明科技有限公司 Multi-channel led-based colour matching light box
WO2017147988A1 (en) * 2016-03-04 2017-09-08 温州佳易仪器有限公司 Color testing method using standard illuminant color matching box
CN108835911A (en) * 2018-08-14 2018-11-20 徐州恒伟纸制品包装有限公司 A kind of inspection table checking the discoloration of packed in cases paper
CN109413802A (en) * 2018-12-06 2019-03-01 中国科学院苏州生物医学工程技术研究所 A kind of light-source system, control method and device
CN112484969A (en) * 2019-09-12 2021-03-12 群燿光学股份有限公司 Color rendering index display system and display method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5580163A (en) * 1994-07-20 1996-12-03 August Technology Corporation Focusing light source with flexible mount for multiple light-emitting elements
CN101235955A (en) * 2008-03-05 2008-08-06 中国科学院安徽光学精密机械研究所 Light source system with adjustable spectral distribution based on LED
CN102221538A (en) * 2011-03-25 2011-10-19 宁波大学 Device and method for measuring optical loss coefficient of infrared glass
CN102573238A (en) * 2012-01-13 2012-07-11 复旦大学 Spectrum feedback method of variable-spectrum dimmable light-emitting diode (LED) illumination system
CN204924914U (en) * 2015-04-17 2015-12-30 杭州远方光电信息股份有限公司 Spectrum feeds back color comparison lamp house of adjusting luminance

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5580163A (en) * 1994-07-20 1996-12-03 August Technology Corporation Focusing light source with flexible mount for multiple light-emitting elements
CN101235955A (en) * 2008-03-05 2008-08-06 中国科学院安徽光学精密机械研究所 Light source system with adjustable spectral distribution based on LED
CN102221538A (en) * 2011-03-25 2011-10-19 宁波大学 Device and method for measuring optical loss coefficient of infrared glass
CN102573238A (en) * 2012-01-13 2012-07-11 复旦大学 Spectrum feedback method of variable-spectrum dimmable light-emitting diode (LED) illumination system
CN204924914U (en) * 2015-04-17 2015-12-30 杭州远方光电信息股份有限公司 Spectrum feeds back color comparison lamp house of adjusting luminance

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016165268A1 (en) * 2015-04-17 2016-10-20 杭州远方光电信息股份有限公司 Spectral feedback dimming color viewing light booth
CN105681555A (en) * 2016-01-13 2016-06-15 广东欧珀移动通信有限公司 Color temperature debugging device and method and mobile terminal
CN105681555B (en) * 2016-01-13 2019-02-12 Oppo广东移动通信有限公司 Color temperature debugging device and method, and mobile terminal
WO2017121051A1 (en) * 2016-01-15 2017-07-20 常州千明智能照明科技有限公司 Multi-channel led-based colour matching light box
WO2017147988A1 (en) * 2016-03-04 2017-09-08 温州佳易仪器有限公司 Color testing method using standard illuminant color matching box
CN106102210A (en) * 2016-06-02 2016-11-09 北京印刷学院 An Intelligently Adjustable LED Artwork Lighting System
CN106768315A (en) * 2017-02-17 2017-05-31 广东天正科技有限公司 Luminance testing method and device for a combined lighting fixture
CN108835911A (en) * 2018-08-14 2018-11-20 徐州恒伟纸制品包装有限公司 A kind of inspection table checking the discoloration of packed in cases paper
CN109413802A (en) * 2018-12-06 2019-03-01 中国科学院苏州生物医学工程技术研究所 A kind of light-source system, control method and device
CN109413802B (en) * 2018-12-06 2021-08-24 中国科学院苏州生物医学工程技术研究所 A light source system, control method and device
CN112484969A (en) * 2019-09-12 2021-03-12 群燿光学股份有限公司 Color rendering index display system and display method thereof

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Application publication date: 20150715