CN102858054A - Solid-state light-emitting device, solid-state light-emitting light source, illumination device and control method thereof - Google Patents
Solid-state light-emitting device, solid-state light-emitting light source, illumination device and control method thereof Download PDFInfo
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Abstract
The invention provides a solid-state light-emitting device, a solid-state light-emitting light source and an illumination device. The solid-state light-emitting device comprises a solid-state light-emitting chip set, wherein the solid-state light-emitting chip set comprises a first group and a second group. The solid-state light-emitting device further comprises a control device; when a brightness control signal is in a first gray scale range, the control device only drives the first group to be in a brightened state, and controls driving voltage or driving current of the first group to enable the light-emitting brightness of the solid-state light-emitting device to reach a gray scale value represented by a brightness control signal; and meanwhile, the second group is at a closed state. According to the solid-state light-emitting device disclosed by the invention, when the brightness control signal is in a gray scale range with lower brightness, only a solid-state light-emitting chip of the first group is brightened and the residual solid-state light-emitting chips are in the closed state; and the driving voltage or the driving current of the first group need to be improved to make up brightness drop caused by closing the residual solid-state light-emitting chips, so that the stability of driving control is improved.
Description
Technical field
The present invention relates to the solid-state illumination field, particularly relate to stage illumination, lighting and control method thereof based on solid-state illumination.
Background technology
In existing solid-state illumination technology, mixed luminescence or monochromatic luminous method that the polychrome Sony ericsson mobile comm ab uses to obtain different colours, different brightness simultaneously are widely used.For example, in light fixture, use red, green, blue three groups of LED (Light Emitting Diode), control respectively its intensity by the drive current of controlling three groups of LED, can control color and the brightness of the light of the final emission of light fixture.
The optical texture schematic diagram of an existing LED light fixture as shown in Figure 1.Wherein, the light that led array 101 sends is incident in condenser lens 103 after collimating through lens arra 102, through being incident in a diaphragm or pattern disk 104 surfaces after condenser lens 103 focusing, behind this diaphragm or the pattern disk 104 filtration specific profiles of generation or pattern, through projection lens 105 projection light emittings.
The method of control LED luminous intensity is divided into two classes.The first kind is to use the mode of pulsed drive LED, and the parameters such as the pulsewidth by control impuls, duty ratio are controlled the brightness of LED; These class methods have that modulation is convenient, advantage accurately, but there is a problem: for the lighting field (for example stage illumination, lighting) of needs shooting, video camera and playback equipment thereof (for example TV) all have specific refreshing frequency, be 60 hertz in this frequency of China for example, then may be 50 hertz abroad.If the frequency of LED modulating pulse is not high enough, then the brightness of LED changes and will with the refreshing frequency of shooting " beat frequency " phenomenon occur, and namely sees the flicker of light in shooting and playback equipment thereof.Certainly, improving the LED modulating frequency can address this problem, but the structure of this drive circuit is with regard to more complicated and with high costs at this moment.
The Equations of The Second Kind method of control LED luminous intensity is to use the mode of DC driven LED, for example by the driving voltage of control LED or the intensity that electric current is controlled LED.Because LED is that direct current is lighted, therefore there is not above-mentioned " beat frequency " problem, but the problem of this method is: LED has the threshold value of driving, then LED is not luminous when drive current or voltage are lower than this threshold value, and LED is luminous at once when drive current or voltage reach this threshold value, namely having the characteristic of sudden change in the control of Near Threshold LED, is not continually varying.On the other hand, the work threshold value of LED neither be changeless, but may change along with external conditions such as temperature.So when needing LED to work in very low luminance state, might be neighbouring and unstable owing to making LED work in drive threshold, and then flicker and jumping phenomenon under the generation low-light level.Be appreciated that flicker and the sudden change of independent a kind of color under low-light level, can cause flicker and the sudden change of color of the mixed light of light fixture emission, and human eye is highstrung for the variation of color, this has had a strong impact on the serviceability of LED light fixture.
For example, in the led array of light fixture as shown in Figure 1, all LED all be series connection and control in the mode that constant current drives, therefore can change by the drive current that changes led array the luminosity of light fixture.In general, the brilliance control of light fixture is multistage GTG control, such as 256 grades of GTGs, represents that its brightness range is 0 to 255.Brightness is that 255 o'clock light fixtures are the brightest state, and this moment, the drive current of led array was maximum, supposed that this lowest high-current value is 1A.When the intensity gray scale of wishing the light fixture outgoing is 0, make it not luminous as long as close led array, and when the intensity gray scale of wishing the light fixture outgoing is 1, must control the drive current of led array this moment, so that the brightness of led array reaches 1/255 when driving under the 1A, its electric current may be 10mA.The drive threshold electric current of LED is relevant with several factors, and for example in general production technology, manufacturer's brand, method for packing etc. do not wait at 5mA to 50mA.In this case, the drive current of 10mA may cause the driving of this led array unstable, namely some LED can light some then can not, perhaps sometimes can light and sometimes can not.On the other hand, when the intensity gray scale of wishing the light fixture outgoing increases, the drive current of led array also will increase, when some GTGs, along with the light emitting control of LED is attributed to normally the luminous phenomenon that may occur to brighten suddenly at this GTG of light fixture.
Therefore, need a kind of solid luminous device and corresponding control method, solve the problem of the job insecurity under the low-light level.
Summary of the invention
The technical problem underlying that the present invention solves is to propose a kind of solid luminous device, solid luminescent light source, lighting device and control method thereof, has solved simultaneously with the shooting refreshing frequency problem of " beat frequency " phenomenon and the unsettled problem under the low-light level work occur.
The present invention proposes the adjustable solid luminous device of a kind of luminosity, comprise the solid luminescent chipset, this solid luminescent chipset comprises at least two solid luminescent chips, this solid luminescent chipset comprise can drive at least two chips groupings, the first grouping and second is divided into groups.Also comprise control device, be used for receiving outside brightness control signal, and it is luminous to adopt the mode of DC driven to drive the solid luminescent chipset according to this brightness control signal; When the GTG value of brightness control signal representative is in the first grey-scale range, control device only drives the first grouping and is in illuminating state, and the driving voltage by controlling the first grouping or the drive current luminosity that the makes solid luminous device GTG value that reaches the brightness control signal representative, make simultaneously the second grouping be in closed condition.Wherein the minimum gray scale value of the first grey-scale range equals the minimum gray scale value of whole grey-scale range, and high gray value is not more than half of high gray value of whole grey-scale range.
Wherein, half of solid luminescent chip count of the no more than solid luminescent chipset of quantity of the solid luminescent chip of the first grouping.
The present invention also proposes a kind of solid luminescent light source, comprises at least two above-mentioned solid luminous devices, and they launch respectively the primary lights of different colours; Also comprise the wavelength Multiplexing apparatus, be used for the light that each solid luminous device sends is merged into a branch of mixed light to form the emergent light of this solid luminescent light source; Also comprise the master control device, be used for receiving outside brightness and color control signal, and with its brightness control signal that is decomposed into each primary lights, export to the control device of each solid luminous device.
The present invention also proposes a kind of lighting device, comprises that above-mentioned solid luminous device or solid luminescent light source are as light emitting source.
In solid luminous device of the present invention, when the GTG value of brightness control signal representative is in lower the first grey-scale range of brightness ratio, only lights the solid luminescent chip of the first grouping and make remaining solid luminescent chip be in closed condition.With respect to situation about all lighting, the drive current of the first grouping this moment or voltage must improve to remedy the brightness decline that closing of all the other solid luminescent chips caused, therefore the driving voltage of the first grouping or electric current will be further from drive thresholds, and then improve the stability that drives control.
Description of drawings
Fig. 1 is a kind of optical texture schematic diagram of existing LED light fixture;
Fig. 2 is the work schematic diagram of the solid luminous device of the first embodiment of the present invention when being in the first grey-scale range;
Fig. 3 is the optical texture schematic diagram of the solid luminescent light source of the second embodiment of the present invention;
Fig. 4 a is a kind of possible schematic flow sheet of the control method of solid luminous device of the present invention;
Fig. 4 b is the another kind of possible schematic flow sheet of the control method of solid luminous device of the present invention.
Embodiment
At first need to prove, the present invention does not relate to the structure of concrete light fixture, as long as comprise in the light fixture that solid luminescent chip more than two as light emitting source, just can utilize the present invention to carry out the control of luminosity.Therefore, Fig. 1 and optical texture shown in Figure 4 are not construed as limiting protection scope of the present invention only as an example among the present invention.
The present invention proposes the adjustable solid luminous device of a kind of luminosity 200, as shown in Figure 2.Solid luminous device 200 comprises solid luminescent chipset 201, this solid luminescent chipset 201 comprises five solid luminescent chip 201a, 201b, 201c, 201d, 201e, this solid luminescent chipset comprise can drive two chips groupings, the first grouping and the second grouping, wherein the first grouping comprises solid luminescent chip 201b and 201d, and the second grouping comprises solid luminescent chip 201a, 201c and 201e.
Solid luminous device 200 also comprises control device 210, is used for receiving outside brightness control signal (not shown in FIG.), and it is luminous to adopt the mode of DC driven to drive solid luminescent chipset 201 according to this brightness control signal.In the present embodiment, control device 210 connects solid luminescent chip 201b and 201d (i.e. the first grouping) by line 211 and controls simultaneously also that it is luminous, connect solid luminescent chip 201a, 201c and 201e (i.e. the second grouping) and control simultaneously that it is luminous by line 212, and control device 210 can independently be controlled the first grouping and the second switch and luminosity that divides into groups.
What deserves to be explained is, the line 211 among the figure and 212 have represented the relations that are electrically connected, and do not represent and limit concrete connected mode.In actual applications, can use the modes such as series, parallel, connection in series-parallel that the solid luminescent chip of same grouping is linked together and controlled, or adopt alternate manner to connect, this does not affect effect of the present invention.Common solid luminescent chip, such as LED and laser diode etc., the mode of normal operation series connection connects, and the mode of using constant current to drive is driven; Certainly use mode in parallel to connect and use the mode of constant voltage to drive and also belong to protection scope of the present invention.
In the present embodiment, control device can directly receive outside brightness control signal, also can be by passing to this control device behind the outside brightness control signal of other receiving system reception again.In actual applications, the transmission of brightness control signal has multiple format, this often mode by control protocol embody.For example the DMX512 agreement is an agreement that is widely used in light control, in this agreement, stipulated the figure place, form of control signal, synchronously, the information such as verification.In the present invention, do not stipulate and limit the form of the control signal of concrete use, but directly use the monochrome information in this control signal.After the monochrome information in controlled signal, by to the decoding of signal with convert and to obtain the GTG value of this monochrome information representative.Concrete decoding and the process of conversion are the concrete agreement concrete regulations of using of basis, can determine according to actual conditions in actual applications, do not give unnecessary details herein.
As described in the background art, the adjustable light fixture of brightness all has an adjustable grey-scale range, and what for example use in the DMX512 agreement is exactly 256 grades of GTGs, i.e. 0 to 255 GTG value.In the solid luminous device 200 in the present invention, the control method of 210 pairs first groupings of control device and the second grouping is as follows:
When the GTG value V of brightness control signal representative is in the first grey-scale range, control device only drives the first grouping and is in illuminating state, and reach GTG value V by driving voltage or the drive current luminosity that makes solid luminous device of controlling the first grouping, make simultaneously the second grouping be in closed condition.Wherein, the first grey-scale range refers to one section minimum continuous grey-scale range of GTG value in whole grey-scale range, and namely the minimum gray scale value of the first grey-scale range equals the minimum gray scale value of whole grey-scale range.
In this solid luminous device 200, owing to having used the mode of DC driven rather than pulsed drive, avoided " beat frequency " phenomenon of this light source and picture pick-up device and playback equipment.When the GTG value V that reaches when hope is in minimum the first grey-scale range of GTG, control makes the second grouping be in closed condition and only use the first grouping that the light output of whole light fixture is provided, light simultaneously with two groupings and to compare, the driving voltage of the first grouping this moment or drive current must improve to compensate that the second grouping is closed and the brightness that causes descends, this is just so that the driving voltage of the first grouping or electric current away from drive threshold, and then are realized more stable control.
A number that is appreciated that the solid luminescent chip of the first grouping can not be too much, otherwise the raising of its drive current and voltage is not remarkable, realizes the stable effect of controlling with affecting it.The inventor finds in experiment, the quantity of the solid luminescent chip of the first grouping can not be more than half of the solid luminescent chip count of solid luminescent chipset 201, otherwise when the lifting of the driving voltage of the first grouping and electric current is no more than solid luminescent chipset 201 and all lights when the GTG value of wishing to obtain is in the first grey-scale range two times, this does not often reach the purpose of stable control GTG.
In the present invention, drive current or the voltage of control the first grouping make its luminosity reach GTG value V, are prior aries, and have several different methods to realize.For example by in advance the first grouping being measured, record the corresponding brightness of its different electric current (or voltage), and this brightness is converted into the GTG value.Electric current (or voltage) is stored in the memory of control device 210 inside with the corresponding table of GTG value, when the specific GTG value of needs V, directly in this correspondence table, search electric current (or voltage) corresponding to this GTG value V, and this electric current (or voltage) is used for driving the first grouping.When each the discrete numerical value in the correspondence table can accurately not found out needed GTG value V, can in the correspondence table, find with the immediate GTG value of GTG value V and corresponding electric current (or voltage) thereof and use the method for difference to calculate the corresponding electric current of GTG value V (or voltage).Another kind method is in advance the relation of the drive current (or voltage) of solid luminescent chip and GTG value to be fitted to a formula (such as fitting of a polynomial), and with each coefficient storage of this formula in control device 210; When the specific GTG value of needs V, carry it into formula and directly calculate needed drive current (or voltage).Be appreciated that these methods are not limitation of the present invention for example just.In addition, in the description below of the present invention, make its luminosity reach specific GTG value about drive current or the voltage of controlling the second grouping or whole solid luminescent chipset, can use equally the mode of describing in this section, will repeat no more in the back.
Experiment with the inventor illustrates.The inventor uses the led array of 8x8 as light source, and the regulation light source control is 256 GTGs, and light source is when reaching the brightest GTG value 255, and each LEDs in the led array is lighted with the electric current 1A DC driven of maximum.In this case, when this light source need to be realized GTG value 1, if each LEDs is all lighted, then drive current should be about 10mA; And for employed LED in this experiment, its threshold current is 10mA-15mA, so the phenomenons such as flicker can appear in GTG value 1 when lighting, and can not stablize control.In this experiment, the inventor is divided into 64 LEDs two groups of five equilibrium, and first is grouped into 32.When GTG value V less than 126 the time, only light the first grouping and achieve GTG value V.This moment be for the drive current of realizing GTG value 1, the first grouping need to be 20.2mA, is higher than threshold current and can realizes stable control; And for greater than other GTG value of 1, because drive current must increase and then more away from threshold value, therefore also can realize stable control.When needed GTG value was 126, as long as the LED of the first grouping lights with the drive current of 1A, because its number is half of total number of LED, its brightness also should be for its half, so its luminous GTG is about 126.
In actual applications, the upper limit GTG value H of the first grey-scale range should be in a reasonably interval, and this interval needs is determined according to actual needs.At first can determine this interval lower limit by test.Specifically, so that all LED light, and it is in low GTG value to attempt control, for example 1,2,3 ..., can cumulative and trial stablize control one by one, until find a GTG value n can stablize control, then the upper limit GTG H of the first grey-scale range must be more than or equal to GTG value n-1, otherwise can't solve the unsettled problem of control fully.In addition, because half of the solid luminescent chip count of the no more than solid luminescent chipset 201 of a number of the solid luminescent chip of the first grouping, therefore the upper limit GTG H of the first grey-scale range should be greater than half of maximum gray (being 255 in the above in the example), even otherwise the solid luminescent chip of the first grouping is all lighted the upper limit GTG value H that can not satisfy this first grey-scale range with maximum current yet.
Therefore, the upper limit GTG H of the first grey-scale range should satisfy:
In actual applications, the inventor finds that n is smaller often, for example 5, and this moment, upper limit GTG H also can be smaller, for example H=10.
After in this scope, having determined the concrete numerical value of upper limit GTG H of the first grey-scale range, can determine according to the upper limit GTG H of this first grey-scale range the scope of the solid luminescent number of chips of the first grouping.Obviously, the quantity of the solid luminescent chip of the first grouping can not be very little, even otherwise light also with maximum current and can't reach GTG H.Therefore, the ratio of the solid luminescent chip count of quantity and the solid luminescent chipset 201 of the solid luminescent chip of the first grouping should be not less than the ratio of the maximum gray value of the maximum gray value H of the first grey-scale range and whole grey-scale range, and the solid luminescent chip one that divides into groups of guarantee first is realized maximum gray value H surely like this.
Therefore, in the smaller situation of the maximum gray value H of aforesaid the first grey-scale range, the quantity of the solid luminescent chip of the first grouping often no more than solid luminescent chipset the solid luminescent chip count 1/10th, namely provide as the first grouping with the solid luminescent chip of minority and hang down GTG brightness.In this case, preferred, the solid luminescent chip in the solid luminescent chipset 201 consists of an array, and the solid luminescent chip of the first grouping is uniformly distributed among this array.Like this, even only have the first grouping to light, the uniformity of luminance of solid luminous device can not be much affected yet.
Control method when needed GTG value V is in the first grey-scale range has been described in the superincumbent description, and when the GTG value V of brightness control signal representative is GTG value outside the first grey-scale range, at least dual mode control solid luminous device 200 work are arranged.
First kind of way: 210 of control device drive the second grouping and are in illuminating state, and make the luminosity of solid luminous device 200 reach the GTG value V of brightness control signal representative by driving voltage or the drive current of controlling the second grouping, make simultaneously the first grouping be in closed condition.
The second way: control device drives the first grouping and the second grouping is in illuminating state simultaneously, and reaches the GTG value V of brightness control signal representative by controlling luminosity that the first grouping and the second driving voltage that divides into groups or drive current make solid luminous device.Obviously, this mode can take full advantage of all solid luminescent chips, is reaching under the prerequisite of same brightness needed solid luminescent chip still less.
In the present embodiment, the solid luminescent chip in the solid luminescent chipset 201 has identical or close glow color, for example all is blue LED or laser diode or its mixing.
In the foregoing description of the present embodiment, about in the determining of the quantity lower limit of the solid luminescent chip of the upper limit of the first grey-scale range and the first grouping, suppose that all solid luminescent chips all have identical luminous quantity, in fact, because the solid luminescent chip of the first grouping is for generation of low-light level (GTG) light, so the light-emitting area of the solid luminescent chip of the first grouping can be less than the light-emitting area of the second solid luminescent chip that divides into groups, the less luminescence chip of size is used in i.e. the first grouping, such the first grouping luminous a little less than, more meet the requirement of low-light level (GTG) output.Because the efficient of small-size chips often is higher than large size chip, so this is conducive to improve the luminous efficiency of this solid state light source.
In the present embodiment, solid luminescent chipset 201 comprises five solid luminescent chips.According to above-mentioned description as can be known, as long as the quantity of the solid luminescent chip of solid luminescent chipset is no less than two, just can use the present invention.In actual applications, the solid luminescent chipset also can be divided into more than two groupings, but as long as wherein at least two groupings are satisfied condition of the present invention and just should be belonged to protection scope of the present invention.
According to top description, the present invention also proposes a kind of control method of above-mentioned solid luminous device, may further comprise the steps:
A. control device receives outside brightness control signal;
Whether the GTG value of B. judging the brightness control signal representative is in the first grey-scale range;
If the GTG value of brightness control signal representative is in the first grey-scale range, and is then further comprising the steps of:
C. calculate or table look-up to obtain driving voltage value or the driving current value of the first grouping according to the GTG value;
D. use driving voltage value or the driving current value driving of this first grouping to light the first grouping, make simultaneously the second grouping be in closed condition;
If the GTG value of brightness control signal representative is not in the first grey-scale range, and is then further comprising the steps of:
Calculate or table look-up to obtain driving voltage value or the driving current value of the second grouping according to the GTG value;
Use driving voltage value or the driving current value driving of this second grouping to light the second grouping, make simultaneously the first grouping be in closed condition.
The flow chart of this control method is shown in Fig. 4 a.In the method, if the GTG value of brightness control signal representative is not in the first grey-scale range, also another kind of control method may be arranged, that is:
If the GTG value of brightness control signal representative is not in the first grey-scale range, and is then further comprising the steps of:
Calculate or table look-up to obtain driving voltage value or the driving current value of the first grouping and the second grouping according to the GTG value;
Use the first grouping and the second driving voltage value that divides into groups or driving current value to drive respectively and light the first grouping and the second grouping.The flow chart of this control method is shown in Fig. 4 b.
Second embodiment of the present invention is a kind of solid luminescent light source, as shown in Figure 3.Be with the difference of light source shown in Figure 1, its luminous component comprises three groups of solid luminous devices 301,302 and 303 as describing among above-mentioned the first embodiment, and they launch respectively the primary lights of different colours.In the present embodiment, solid luminous device 301 red-emittings, solid luminous device 302 transmitting green lights, solid luminous device 303 emission blue lights, by independently switch and the brilliance control of difference of these three groups of solid luminous devices, can control brightness and the color of light source emergent light.
Solid luminescent light source in the present embodiment also comprises the wavelength Multiplexing apparatus, this wavelength Multiplexing apparatus is comprised of the light splitting filter 321 and 322 of mutually placing with decussation, is used for the light that each solid luminous device sends is merged into a branch of mixed light to form the emergent light of this solid luminescent light source.Specifically, light splitting filter 321 can reflect the green glow of simultaneously transmission of blue light solid luminous device 302 emissions of solid luminous device 303 emissions, and light splitting filter 322 can reflect the green glow of simultaneously transmission of ruddiness solid luminous device 302 emissions of solid luminous device 301 emissions.
Solid luminescent light source in the present embodiment also comprises a master control device (not shown in FIG.), be used for receiving outside brightness and color control signal, and with its brightness control signal that is decomposed into each primary lights, export to the control device (not shown in FIG.) of each solid luminous device.Be appreciated that in the present embodiment, the control device of each solid luminous device also can be integrated among the master control device.
Because each primary lights is to be produced by the solid luminous device among the first embodiment, can avoid luminous unsettled problem, the luminous of the solid luminescent light source of the present embodiment is the luminous mixing of these solid luminous devices, do not have too luminous unsettled problem.
Used three groups of solid luminous devices 301,302 and 303 as light emitting source although be appreciated that the solid luminescent light source of the present embodiment, as long as in fact have two groups or above solid luminous device just can realize the effect of the stable control of mixed light.
The present invention also proposes a kind of lighting device, comprises that above-mentioned solid luminous device or solid luminescent light source are as light emitting source.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. solid luminous device that luminosity is adjustable, it is characterized in that, comprising: the solid luminescent chipset, this solid luminescent chipset comprises at least two solid luminescent chips, this solid luminescent chipset comprise can drive at least two chips groupings, the first grouping and second is divided into groups;
Control device is used for receiving outside brightness control signal, and it is luminous to adopt the mode of DC driven to drive the solid luminescent chipset according to this brightness control signal; When the GTG value of brightness control signal representative is in the first grey-scale range, control device only drives the first grouping and is in illuminating state, and the driving voltage by controlling the first grouping or the drive current luminosity that the makes solid luminous device GTG value that reaches described brightness control signal representative, make simultaneously the second grouping be in closed condition; The minimum gray scale value of described the first grey-scale range equals the minimum gray scale value of whole grey-scale range, and high gray value is not more than half of high gray value of whole grey-scale range;
Wherein, half of solid luminescent chip count of the no more than solid luminescent chipset of quantity of the solid luminescent chip of the first grouping.
2. solid luminous device according to claim 1, it is characterized in that, when the GTG value of brightness control signal representative is GTG value outside the first grey-scale range, control device only drives the second grouping and is in illuminating state, and the driving voltage by controlling the second grouping or the drive current luminosity that the makes solid luminous device GTG value that reaches described brightness control signal representative, make simultaneously the first grouping be in closed condition.
3. solid luminous device according to claim 1, it is characterized in that, when the GTG value of brightness control signal representative is GTG value outside the first grey-scale range, control device drives the first grouping and the second grouping is in illuminating state simultaneously, and reaches the GTG value of described brightness control signal representative by controlling luminosity that the first grouping and the second driving voltage that divides into groups or drive current make solid luminous device.
4. solid luminous device according to claim 1, it is characterized in that, the ratio of the maximum gray value of the first grey-scale range and the maximum gray value of whole grey-scale range is not higher than the ratio of the solid luminescent chip count of the quantity of solid luminescent chip of the first grouping and solid luminescent chipset.
5. solid luminous device according to claim 1 is characterized in that, 1/10th of the solid luminescent chip count of the no more than solid luminescent chipset of quantity of the solid luminescent chip of the first grouping.
6. the described solid luminous device of any one in 5 according to claim 1 is characterized in that, the solid luminescent chip in the solid luminescent chipset consists of an array, and the solid luminescent chip of the first grouping is uniformly distributed among this array.
7. the described solid luminous device of any one in 5 according to claim 1 is characterized in that, the solid luminescent chip in the described solid luminescent chipset has identical or close glow color.
8. the described solid luminous device of any one in 5 according to claim 1 is characterized in that, the light-emitting area of the solid luminescent chip of described the first grouping is less than the light-emitting area of the solid luminescent chip of described the second grouping.
9. a solid luminescent light source is characterized in that, comprising:
At least two described solid luminous devices of any one in 8 according to claim 1, they launch respectively the primary lights of different colours;
The wavelength Multiplexing apparatus is used for the light that each solid luminous device sends is merged into a branch of mixed light to form the emergent light of this solid luminescent light source;
The master control device is used for receiving outside brightness and color control signal, and with its brightness control signal that is decomposed into each primary lights, exports to the control device of each solid luminous device.
10. a lighting device is characterized in that, comprises the described solid luminous device of any one in the claim 1 to 8 as light emitting source, or comprises that solid luminescent light source claimed in claim 9 is as light emitting source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210239293.XA CN102858054B (en) | 2012-07-11 | 2012-07-11 | Solid luminous device, solid luminescent light source, lighting device and control method thereof |
| PCT/CN2012/084927 WO2014008731A1 (en) | 2012-07-11 | 2012-11-21 | Solid-state lighting device, solid-state lighting source, lighting device and control method thereof |
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| CN201210239293.XA CN102858054B (en) | 2012-07-11 | 2012-07-11 | Solid luminous device, solid luminescent light source, lighting device and control method thereof |
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| CN102858054A true CN102858054A (en) | 2013-01-02 |
| CN102858054B CN102858054B (en) | 2015-08-19 |
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| CN (1) | CN102858054B (en) |
| WO (1) | WO2014008731A1 (en) |
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| WO2021072679A1 (en) * | 2019-10-16 | 2021-04-22 | 肖高利 | Control method for adaptively adjusting brightness, chromaticity, and color temperature of light source |
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Also Published As
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| WO2014008731A1 (en) | 2014-01-16 |
| CN102858054B (en) | 2015-08-19 |
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