CN101769448A - Device and method for providing light sources with standard gradating properties - Google Patents
Device and method for providing light sources with standard gradating properties Download PDFInfo
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- CN101769448A CN101769448A CN200810186874A CN200810186874A CN101769448A CN 101769448 A CN101769448 A CN 101769448A CN 200810186874 A CN200810186874 A CN 200810186874A CN 200810186874 A CN200810186874 A CN 200810186874A CN 101769448 A CN101769448 A CN 101769448A
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Abstract
The invention relates to a device and a method for providing light sources with standard gradating properties. The device comprises a light source unit, a light conducting unit, a sensing unit and a control unit, wherein the light source unit is used for providing the light sources; the light conducting unit is used for modulating and homogenizing the light sources; the sending unit is used for detecting the gradating properties of the light sources; and the control unit is respectively coupled to the light source unit and the sensing unit and can be used for controlling the light source unit to adjust the gradating properties of the light sources provided by the light source unit according to the gradating properties detected by the sensing unit so that the gradating properties of the light sources meet the standard gradating properties. Therefore, the invention can provide the light sources with standard gradating properties so that a standard tracing mode is available during the actual operation of the industry.
Description
Technical field
The invention relates to a kind of light source generator and method, and particularly relevant for a kind of light sources with standard gradating properties generator and method.
Background technology
In response to the keen competition of global display industry and the impact in low margin age, the display manufacturer is in order to break away from low price strategy to create the new opportunity of brand, except satisfying popular hobby and presenting the brand and taste of uniqueness, also need create good panel specification and improved production technology, so that the picture quality of display is attained in perfection.
The evaluation of picture quality generally can be divided into objective measurement and subjective measurement, and subjective measurement is with artificial evaluation unit, by the mode of list of references and experiment, after the characteristic and hobby foundation with human eye, brings display is estimated; Objective measurement then is to estimate with brightness, colorimeter or measurement of correlation instrument, and also therefore, the gamma correction of these instruments is the phase fractal key also.
Reviewing of standard of instruments, there is the national standard laboratory can reference, and, can only is that standard is come correcting luminance with the A light source at present for the correction of instrument gradating properties, but the colour temperature of A light source is fixed (about 2856K), and its gamma correction that can provide is limited in scope.As for the part that all the other gradating properties are proofreaied and correct, also can only do in fact voluntarily at present by the dealer, this is not enough far away for the display (reaching as high as 9000K to 10000K) of general colour temperature up to 6500K.
In addition, in the correction of instrument, different colour temperatures and different brightness need with reference to different standard sources, and the spectrum of light source also can with the spectrum of standard sources difference to some extent.Moreover, along with progressing greatly of backlight module, as light emitting diode (Light Emitting Diode, LED) backlight, Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) backlight of backlight or other different-colour etc., the gradating properties of Different Light also can have influence on the correction result of instrument.
Shortage in the face of above-mentioned standard according to the standard of the brightness gradating properties that the technology of the present invention provided, can have the tracing mode of standard when practice.
Summary of the invention
The invention provides a kind of light sources with standard gradating properties generator and method, the standard sources of different gradating properties can be provided.
According to the light sources with standard gradating properties generator example that the technology of the present invention is implemented, it comprises light source cell, optical guide unit, sensing cell and control module.Wherein, light source cell provides light source.Optical guide unit is in order to modulation and homogenising light source.Sensing cell is in order to detect the gradating properties of described light source.Control module is coupled to light source cell and sensing cell respectively, and can be according to the detected gradating properties of sensing cell, and the gradating properties that the control light source cell is provided by its light source that provides makes it meet standard gradating properties.
A light sources with standard gradating properties of implementing according to the technology of the present invention provides the method example, it is suitable for utilizing the light source generator that the light source that meets standard gradating properties is provided, its step comprises provides light source, detect the gradating properties of this light source again, and according to detected gradating properties, adjust the gradating properties of light source and make it meet standard gradating properties.Then again this light source is modulated and homogenising, and exported adjusted light source.
Light sources with standard gradating properties generator of the present invention and method can be passed through the gradating properties such as colourity, brightness, spectrum or colour temperature of sensing light source, and in order to light source is carried out FEEDBACK CONTROL, the required standard gradating properties of light source coincidence correction that can make output.In addition, look the effect function, the light quantity that enters optical guide unit is carried out FEEDBACK CONTROL, required normal brightness contrast can be provided by the human eye of sensing light source.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
Description of drawings
Fig. 1 is the schematic diagram of the light sources with standard gradating properties generator that illustrates according to one embodiment of the invention.
Fig. 2 is the calcspar of the light sources with standard gradating properties generator that illustrates according to one embodiment of the invention.
Fig. 3 is the flow chart of the adjustment light source gradating properties method that illustrates according to one embodiment of the invention.
Fig. 4 is the schematic diagram of the light sources with standard gradating properties generator that illustrates according to one embodiment of the invention.
Fig. 5 is the calcspar of the light sources with standard gradating properties generator that illustrates according to one embodiment of the invention.
Fig. 6 is the schematic diagram of the light sources with standard gradating properties generator that illustrates according to one embodiment of the invention.
Fig. 7 is the calcspar of the light sources with standard gradating properties generator that illustrates according to one embodiment of the invention.
[main element label declaration]
100,400,600: the light source generator
110,410,610: light source cell
112,112a, 112b, 112c, 112d, 412a, 414a, 416a: luminescence unit
114,412b, 414b, 416b: refrigeration heat-sink unit
120,420,620: sensing cell
122,422,422a, 422b, 422c: light characteristic sensing cell
124,424,624: look and imitate the function detecting unit
130,430,630: optical guide unit
132,432,632: light output adjustment unit
134,434,634: the light uniformization unit
140,440,640: control module
142,442: the light characteristic control module
144,444,644: the light output control module
412: the first light emitting modules
414: the second light emitting modules
416: the three light emitting modules
426: temperature detecting unit
446: temperature control modules
612: CCFL
614: diffuser plate
616: LGP
S310～S340: each step of the method for the adjustment light source gradating properties of one embodiment of the invention
The specific embodiment
According to the technology of the present invention, can utilize optical sensor and temperature sensor to do the FEEDBACK CONTROL of light source, by lighting in proper order or continuous current is lighted light emitting diode (Light Emitting Diode, LED), Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) or CCFL (ColdCathode Fluorescent Lamps, light emitting module such as CCFL), and utilize optical sensor to record the light characteristic of different light emitting modules, as brightness, colourity, relative colour temperature etc., and adjust the gradating properties of light emitting module by feedback device according to this light characteristic information, the usefulness that therefore can provide the standard sources of different gradating properties to proofread and correct to the dealer.In order to make content of the present invention more clear, implement the detailed embodiment that example also describes light sources with standard gradating properties generator of the present invention and method with reference to the accompanying drawings in detail with next act, the identical or intimate assembly of same numeral representative in the accompanying drawing.
Fig. 1 is the schematic diagram of the light sources with standard gradating properties generator that illustrates according to one embodiment of the invention.Please refer to Fig. 1, the light source generator 100 of present embodiment provides light source by light source cell 110, and the gradating properties of a light characteristic sensing cell 122 with sensor light source unit 110 light that sent is set in light source cell 110.Wherein, light source cell 110 is by a plurality of luminescence units (luminescence unit 112a～112d) form for example, and these a little luminescence units for example are light emitting diode (Light EmittingDiode, LED) or Organic Light Emitting Diode (Organic Light Emitting Diode, OLED), do not limit its scope at this.
The gradating properties that is sensed by light characteristic sensing cell 122 will feed back to light source cell 110, so that the gradating properties of the light source that it was sent is adjusted.Will send into optical guide unit 130 via light source cell 110 adjusted light sources, and modulate and homogenising, and then output is as standard sources by optical guide unit 130.
In detail, light source cell 110 light that sends can be exported adjustment unit 132 via light and enter light uniformization unit 134, and is modulated and homogenising by the 134 pairs of light that entered in light uniformization unit.What deserves to be mentioned is that the light that enters light uniformization unit 134 also can be imitated function detecting unit 124 and detects human eye and look the effect function via looking, this human eye is looked and is imitated the brightness that function promptly reflects the light that in fact human eye is seen.This human eye is looked the effect function will feed back to light output adjustment unit 132 immediately, use and adjust the light quantity that enters optical guide unit 130, make the light source of finally being exported by optical guide unit 130 meet the requirement of normal brightness contrast, and can be used as the standard sources of follow-up correction usefulness.
Fig. 2 is the calcspar of the light sources with standard gradating properties generator that illustrates according to one embodiment of the invention.Present embodiment is further introduced the annexation and the function mode of each parts in the previous embodiment, and wherein light source generator 100 comprises light source cell 110, sensing cell 120, optical guide unit 130, reaches control module 140, and its function division is as follows:
Sensing cell 120 comprises light characteristic detecting unit 122 and looks imitates function detecting unit 124.Wherein, light characteristic detecting unit 122 is configurable in light source cell 110 inside, and first gradating properties of the light source that is provided in order to detection light source unit 110 comprises light characteristics such as colourity, brightness, spectrum or colour temperature.On the other hand, look to imitate 124 of function detecting units configurable in optical guide unit 130 inside, and enter second gradating properties of the light of optical guide unit 130 in order to detection, comprise that human eye looks the effect function.
In detail, Fig. 3 is the flow chart of the adjustment light source gradating properties method that illustrates according to one embodiment of the invention.Please be simultaneously with reference to Fig. 2 and Fig. 3, the light characteristic that the above-mentioned light characteristic control module of present embodiment explanation 142 is how measured according to light characteristic detecting unit 142, and control light source cell 110 is adjusted the light sources that it provided.At first, import a target shading value (step S310), then, utilize the shading value (step S320) of the light source that light characteristic detecting unit 142 detection light source unit 110 are provided by the user.Then, light characteristic control module 142 promptly can light characteristic detecting unit 142 is measured the shading value of light source and the target shading value comparison (step S330) of user's input, and regulate the voltage output size (step S340) that offers light source cell 110 according to this, make the shading value of the light source that light source cell 110 is provided can be adjusted to the target shading value that the user imports.
For instance, if the target light characteristic that the user sets: colour temperature is 5000K, be 5100K then if light characteristic detecting unit 122 records the colour temperature of the light source that light source cell 110 provided, light characteristic control module 122 can be controlled the shading value increase of light source cell 110 with the light source that it provided at this moment, circulation feedback so repeatedly, the shading value of the light source that light source cell 110 can be provided is adjusted to 5000K at last.On the other hand, 144 of light output control modules are to look the effect function from looking the effect function detecting unit 124 reception human eyes that it detected, and adjust the light source that enters optical guide unit 140 and control light output adjustment unit 142 according to this.
By above-mentioned light characteristic detecting unit 122 and the FEEDBACK CONTROL of light characteristic control module 142, the light characteristics such as colourity, brightness, spectrum or colour temperature of the light source that light source cell 110 provided can be adjusted to required standard for light source cell 110.On the other hand, imitate function detecting unit 124 and the FEEDBACK CONTROL of light output control module 144 by above-mentioned looking, then the brightness by the light source of optical guide unit 130 outputs can be adjusted to the actual brightness of experiencing of human eye for the light output adjustment unit 132 of optical guide unit 130.In view of the above, can provide the usefulness of all standard compliant light source of colourity, brightness, spectrum or colour temperature to user's correction.
What deserves to be mentioned is, the light characteristic of its light source that provides can be provided the heat that is produced when each light emitting module is luminous in light source cell 110, in one embodiment, also can in light source cell 110, dispose a temperature detecting unit (not illustrating), temperature when it is can be in order to monitoring light source cell 110 luminous, and offer control module 140.The temperature control modules of control module 140 (not illustrating) then can carry out FEEDBACK CONTROL to the refrigeration heat-sink unit in the light source cell 110 114, and the light characteristics such as colourity, brightness, spectrum or colour temperature of light source that light source cell 110 provides are maintained in the scope of standard.
Above embodiment does explanation at the light source how single gradating properties is provided, and in another embodiment, the present invention also can provide the light source of different gradating properties, describes in detail for an embodiment with next again.
Fig. 4 is the schematic diagram of the light sources with standard gradating properties generator that illustrates according to one embodiment of the invention.Please refer to Fig. 4, the light source generator 400 of present embodiment provides light source by light source cell 410, wherein, light source cell 410 comprises a plurality of light emitting modules, each light emitting module includes a plurality of luminescence units (for example 412a, 414a and 416a), and, for example can send the light source of the color of RGB (RGB) in order to the light source of different gradating properties to be provided, present embodiment does not limit its scope.
At the light source of these different gradating properties, light source cell 410 can be distinctly in light emitting module configuration light characteristic sensing cell 422a, 422b and 422c, and in order to the gradating properties of these light sources of sensing.Similarly, each above-mentioned light emitting module is made up of a plurality of luminescence unit, and these a little luminescence units for example are light emitting diode (LED) or Organic Light Emitting Diode (OLED), do not limit its scope at this.
The gradating properties that is sensed by light characteristic sensing cell 422a, 422b and 422c will feed back to light source cell 410, so that the gradating properties of the light source that each light emitting module was sent is adjusted.Will send into optical guide unit 430 via light source cell 410 adjusted light sources, and modulate and homogenising, and then output is as standard sources by optical guide unit 430.
In detail, light source cell 410 light that sends can be exported adjustment unit 432 via light and enter light uniformization unit 434, and is modulated and homogenising by the 434 pairs of light that entered in light uniformization unit.What deserves to be mentioned is that the light that enters light uniformization unit 434 also can be imitated function detecting unit 424 and detects human eye and look the effect function via looking, this human eye is looked and is imitated the brightness that function promptly reflects the light that in fact human eye is seen.This human eye is looked the effect function can feed back to light output adjustment unit 432, uses and adjusts the light quantity that enters optical guide unit 430, makes the light source of finally being exported by optical guide unit 430 also meet the requirement of normal brightness contrast, and can be used as the standard sources of follow-up correction usefulness.
What deserves to be mentioned is that at the light source of different gradating properties, present embodiment comprises lights each light emitting module respectively in the mode of lighting in proper order or continuous current is lighted, and detects its gradating properties and carry out FEEDBACK CONTROL by the light characteristic sensing cell of correspondence.And when these light sources enter optical guide unit 430, look and imitate the human eye that function detecting unit 434 also can detect these different gradating properties light sources in proper order and look the effect function, and feed back to light output adjustment unit 432, use the light quantity of adjusting each light source that enters optical guide unit 430, make the light source of finally exporting meet the requirement of normal brightness, and can be used as the standard sources of follow-up correction usefulness by optical guide unit 430.
Fig. 5 is the calcspar of the light sources with standard gradating properties generator that illustrates according to one embodiment of the invention.Present embodiment is further introduced the annexation and the function mode of each parts in the previous embodiment, and wherein light source generator 400 comprises light source cell 410, sensing cell 420, optical guide unit 430, reaches control module 440, and its function division is as follows:
Sensing cell 420 comprises light characteristic detecting unit 422, looks and imitate function detecting unit 424 and temperature detecting unit 426.Wherein, light characteristic detecting unit 422 is configurable in light source cell 410 inside, and in order to the light characteristics such as colourity, brightness, spectrum or colour temperature of the light source that detection light source unit 410 provided.Look and imitate 424 of function detecting units and be configured in optical guide unit 430 inside, and look the effect function in order to the human eye that detection enters the light of optical guide unit 430.On the other hand, temperature detecting unit 426 is also configurable in light source cell 410 inside, and in order to the temperature of detection light source unit 410.
Can provide different gradating properties by above-mentioned light source generator, and all standard compliant light source of colourity, brightness, spectrum or colour temperature is for the usefulness of follow-up correction.What deserves to be mentioned is, the present invention also comprises the light source cell in the foregoing description with CCFL (Cold Cathode Fluorescent Lamps, CCFL) replace, the light source that standard can be provided equally describes in detail for an embodiment with next to the usefulness that the dealer does correction again.
Fig. 6 is the schematic diagram of the light sources with standard gradating properties generator that illustrates according to one embodiment of the invention.Please refer to Fig. 6, the light source generator 600 of present embodiment provides light source by light source cell 610, and this light source cell 610 is made up of CCFL (CCFL) 612, diffuser plate (Diffuser) 614 and 616 of LGPs (Light guide).Will send into optical guide unit 620 via the light source that light source cell 610 produces, and modulate and homogenising, and then output is as standard sources by optical guide unit 630.
In detail, light source cell 610 light that sends can via light export adjustment unit 632 given aperture enter light uniformization unit 634, and modulate and homogenising by the 634 pairs of light that entered in light uniformization unit.What deserves to be mentioned is, the light that enters light uniformization unit 634 also can be imitated function detecting unit 624 and detects human eye and look the effect function via looking, and feed back to light output adjustment unit 632, use and adjust the light quantity that enters optical guide unit 630, make the light source of finally exporting also meet the requirement of normal brightness, and can be used as the standard sources of follow-up correction usefulness by optical guide unit 630.
Fig. 7 is the calcspar of the light sources with standard gradating properties generator that illustrates according to one embodiment of the invention.Present embodiment is further introduced the annexation and the function mode of each parts in the previous embodiment, and wherein light source generator 600 comprises light source cell 610, sensing cell 620, optical guide unit 630 and control module 640, and its function division is as follows:
Sensing cell 620 comprises looking imitates function detecting unit 624, and it is configurable in optical guide unit 630 inside, and looks the effect function in order to the human eye that detection enters the light of optical guide unit 630.
Imitate function detecting unit 624 and the FEEDBACK CONTROL of light output control module 644 by above-mentioned looking, then the brightness by the light source of optical guide unit 630 outputs can be adjusted to the actual brightness of experiencing of human eye for the light output adjustment unit 632 of optical guide unit 630.In view of the above, can provide the usefulness of all standard compliant light source of colourity, brightness, spectrum or colour temperature to user's correction.
In sum, light sources with standard gradating properties generator of the present invention and method blend together uniform area light source by optical guide units such as integrating spheres, and utilize photodetector and temperature sensor to do the FEEDBACK CONTROL of light source, can control the brightness, colourity of light source, gradating properties such as colour temperature, spectrum relatively, and use its output light quantity of change by the light-inletting quantity of electric aperture adjustment optical guide unit, the light source of normal brightness contrast can be provided.In view of the above, light source generator of the present invention not only can provide the research of backlight, also can make industry that one standard tracing mode is arranged when practice, and can solve the various disputes that manufacturer and middle and lower reaches manufacturer or consumer cause because of measurement result differs.
Though the present invention discloses as above to implement example; right its is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (25)
1. light sources with standard gradating properties generator comprises:
Light source cell provides light source;
Optical guide unit, modulation and this light source of homogenising;
Sensing cell detects the gradating properties of this light source; And
Control module is coupled to this light source cell and this sensing cell, according to detected this gradating properties of this sensing cell, controls this light source cell and adjusts this gradating properties of this light source and make it meet standard gradating properties.
2. light sources with standard gradating properties generator according to claim 1, wherein this light source cell comprises a plurality of light emitting modules, and each those light emitting module comprises:
A plurality of luminescence units provide this light source; And
The refrigeration heat-sink unit is adjusted the temperature of this light emitting module, to keep this gradating properties of this light source.
3. light sources with standard gradating properties generator according to claim 2, wherein those luminescence units comprise light emitting diode, Organic Light Emitting Diode and CCFL at least one of them.
4. light sources with standard gradating properties generator according to claim 2, wherein those light emitting modules provide this light source of single gradating properties.
5. light sources with standard gradating properties generator according to claim 2, wherein those light emitting modules provide this light source of different gradating properties respectively.
6. light sources with standard gradating properties generator according to claim 5, wherein this light source cell comprises the luminescence unit of lighting those light emitting modules in proper order, so that this light source of different gradating properties to be provided.
7. light sources with standard gradating properties generator according to claim 5, wherein those different gradating properties comprise the gradating properties of RGB color space.
8. light sources with standard gradating properties generator according to claim 1, wherein this optical guide unit comprises:
Light output adjustment unit, modulation is by this gradating properties of this light source of this light source cell reception; And
The light uniformization unit, homogenising is through this light source of light output adjustment unit modulation and export it.
9. light sources with standard gradating properties generator according to claim 8, wherein the light output adjustment unit comprises electric aperture, it adjusts the light quantity of this light source that enters this optical guide unit according to this gradating properties of this light source that this sensing cell detects.
10. light sources with standard gradating properties generator according to claim 8, wherein this light uniformization unit comprises integrating sphere or diffusion sheet.
11. light sources with standard gradating properties generator according to claim 8, wherein this sensing cell comprises:
The light characteristic detecting unit detects first gradating properties of this light source that this light source cell provides, and offers this control module, so that this light source cell is carried out FEEDBACK CONTROL; And
Look and imitate the function detecting unit, detect second gradating properties of this light source that enters this optical guide unit, and offer this control module, so that the light output adjustment unit is carried out FEEDBACK CONTROL.
12. light sources with standard gradating properties generator according to claim 11, wherein this control module comprises:
The light characteristic control module according to this first gradating properties that this light characteristic detecting unit is detected, is controlled this light source cell and is adjusted this light source that it provides; And
The light output control module is looked this second gradating properties that effect function detecting unit is detected according to this, and the adjustment of control light output adjustment unit enters this light source of this optical guide unit.
13. light sources with standard gradating properties generator according to claim 12, wherein this first gradating properties comprises colourity, brightness, spectrum or colour temperature.
14. light sources with standard gradating properties generator according to claim 12, wherein this second gradating properties comprises that human eye looks the effect function.
15. light sources with standard gradating properties generator according to claim 12, wherein this sensing cell also comprises:
Temperature detecting unit detects the temperature of this light source cell, and offers this control module, so that this light source cell is carried out FEEDBACK CONTROL.
16. light sources with standard gradating properties generator according to claim 15, wherein this control module also comprises:
Temperature control modules according to this temperature of this light source cell that this temperature detecting unit detects, is adjusted this light source that this light source cell provides.
17. a light sources with standard gradating properties provides method, this method comprises the following steps:
Light source is provided;
Detect the gradating properties of this light source;
According to detected this gradating properties, this gradating properties of adjusting this light source makes it meet standard gradating properties;
Modulation and this light source of homogenising; And
Export adjusted this light source.
18. light sources with standard gradating properties according to claim 17 provides method, wherein provides the step of this light source to comprise this light source that single gradating properties is provided.
19. light sources with standard gradating properties according to claim 17 provides method, wherein provides the step of this light source to comprise and lights a plurality of light emitting modules in proper order so that this light source of different gradating properties to be provided.
20. light sources with standard gradating properties according to claim 19 provides method, wherein those different gradating properties comprise the gradating properties of RGB color space.
21. light sources with standard gradating properties according to claim 17 provides method, wherein the step of modulation and this light source of homogenising comprises:
Utilize integrating sphere or this light source of diffusion sheet homogenising.
22. light sources with standard gradating properties according to claim 17 provides method, wherein also comprises the following steps:
Detect the human eye of this light source and look the effect function; And
Look the effect function according to this human eye, this light source of being exported is carried out FEEDBACK CONTROL.
23. light sources with standard gradating properties according to claim 22 provides method, wherein looks the effect function according to this human eye, the step of this light source of being exported being carried out FEEDBACK CONTROL comprises:
Look the light quantity of imitating this light source that the function adjustment exported according to this human eye.
24. light sources with standard gradating properties according to claim 17 provides method, also comprises:
Detect the temperature of this light source; And
According to this temperature that is detected, this light source of being exported is carried out FEEDBACK CONTROL, to keep this gradating properties of this light source.
25. light sources with standard gradating properties according to claim 17 provides method, wherein this gradating properties comprises colourity, brightness, spectrum or colour temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810186874A CN101769448A (en) | 2008-12-31 | 2008-12-31 | Device and method for providing light sources with standard gradating properties |
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| CN200810186874A CN101769448A (en) | 2008-12-31 | 2008-12-31 | Device and method for providing light sources with standard gradating properties |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517511A (en) * | 2012-06-14 | 2014-01-15 | 三菱电机株式会社 | Semiconductor lighting apparatus |
| CN105187819A (en) * | 2015-07-29 | 2015-12-23 | 合肥埃科光电科技有限公司 | Color response testing and correcting device and method for industrial color cameras |
| 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 |
| CN109114455A (en) * | 2018-10-19 | 2019-01-01 | 江苏优为视界科技有限公司 | A kind of portable diffusing reflection fluorescent lamp uniform source of light |
| CN110085193A (en) * | 2019-04-10 | 2019-08-02 | 深圳市华星光电技术有限公司 | Light source automatic compensation method, apparatus, storage medium and optical detection apparatus |
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2008
- 2008-12-31 CN CN200810186874A patent/CN101769448A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517511A (en) * | 2012-06-14 | 2014-01-15 | 三菱电机株式会社 | Semiconductor lighting apparatus |
| US9198253B2 (en) | 2012-06-14 | 2015-11-24 | Mitsubishi Electric Corporation | Semiconductor lighting apparatus |
| CN103517511B (en) * | 2012-06-14 | 2016-08-31 | 三菱电机株式会社 | Semi-conductor light source device |
| CN105187819A (en) * | 2015-07-29 | 2015-12-23 | 合肥埃科光电科技有限公司 | Color response testing and correcting device and method for industrial color cameras |
| CN105187819B (en) * | 2015-07-29 | 2017-06-09 | 合肥埃科光电科技有限公司 | A kind of industry color camera color response test and means for correcting and method |
| 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 |
| CN109114455A (en) * | 2018-10-19 | 2019-01-01 | 江苏优为视界科技有限公司 | A kind of portable diffusing reflection fluorescent lamp uniform source of light |
| CN110085193A (en) * | 2019-04-10 | 2019-08-02 | 深圳市华星光电技术有限公司 | Light source automatic compensation method, apparatus, storage medium and optical detection apparatus |
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Application publication date: 20100707 |