CN216591107U - LED light source module and lighting device - Google Patents
LED light source module and lighting device Download PDFInfo
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- CN216591107U CN216591107U CN202121470320.5U CN202121470320U CN216591107U CN 216591107 U CN216591107 U CN 216591107U CN 202121470320 U CN202121470320 U CN 202121470320U CN 216591107 U CN216591107 U CN 216591107U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The application provides an LED light source module, which comprises a light-emitting component and a lens collecting system, wherein the light-emitting component is used for emitting light and comprises a main light-emitting body and an auxiliary light-emitting body, and the total light-emitting area of the main light-emitting body is larger than that of the auxiliary light-emitting body; the lens collection system includes collection lens, fly-eye lens and condensing lens, and fly-eye lens is located between collection lens and the condensing lens, and the lens collection system is located light-emitting component's light-emitting path to the light that makes light-emitting component outgoing carries out the outgoing through collection lens, fly-eye lens and condensing lens, and this application still provides a lighting device. The application provides an LED light source module and lighting device is through addding auxiliary luminous body in light-emitting component to adopt the mode of mixing light in the light source inside, can improve luminance and the colour decay problem that the light source appears in the in-service use process.
Description
Technical Field
The application relates to the field of optics, particularly, relates to an LED light source module and lighting device.
Background
With the development of semiconductor lighting technology, the brightness of the LED light source is improved, and the application field of the LED light source is also widely developed.
The utilization rate of a single-primary-color light source and a high-power LED light source mainly based on single primary color in professional stage lighting is increased year by year, and the high-power LED light source gradually replaces the traditional gas discharge lamp bulb. Although the service life of a high-power LED is long, generally the service life is longer than 2 ten thousand hours, in the actual application process, with the increase of the service time, the emergent light of a lamp adopting an LED light source has certain attenuation, and the color and brightness attenuation between every two lamps are inconsistent, so that the color consistency between the lamps is poor after the lamps are used for a period of time, and professional application scenes cannot be met.
In the use process of the traditional lamp, a lamplight engineer usually corrects color temperature or color rendering by supplementing light to a main lamp through another lamp, but a plurality of lamps have some defects, namely, high cost and large occupied space; secondly, the multiple lamps are equivalent to a multi-point light source, the illuminating light beams irradiate on an object to form multiple shadows, and color spots are formed in serious conditions, so that the perfect illuminating effect of natural light cannot be achieved, and the multiple shadows and color spots influence the perfect artistic expression.
In addition, in the use process of the lamp, a lamplight engineer can adjust the brightness output of the lamp according to the application requirements of different scenes. The LED light source adjusts the output of luminous flux through a PWM (Pulse width modulation) dimming mode, and based on the principle that the LED light source excites red and yellow fluorescent powder by a blue chip and obtains white light through a wavelength conversion mode, when the luminous power of the blue chip is adjusted, the excitation efficiency of red and blue light is different, so that the color temperature of the LED light source is changed, and the color temperature change causes color cast shot by a camera.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an LED light source module and an illuminating device, and aims to solve the technical problem.
The embodiment of the application realizes the aim through the following technical scheme.
In a first aspect, an embodiment of the present application provides an LED light source module, which includes a light emitting assembly and a lens collecting system, where the light emitting assembly is used for emitting light, the light emitting assembly includes a main light emitting body and an auxiliary light emitting body, and a total light emitting area of the main light emitting body is larger than a total light emitting area of the auxiliary light emitting body; the lens collection system comprises a collection lens, a fly-eye lens and a condensing lens, the fly-eye lens is positioned between the collection lens and the condensing lens, and the lens collection system is positioned on a light-emitting path of the light-emitting assembly so that light emitted by the light-emitting assembly is emitted through the collection lens, the fly-eye lens and the condensing lens.
In one embodiment, the light emitting assembly includes a plurality of package units, each package unit includes at least one main light emitter and at least one auxiliary light emitter, and the auxiliary light emitters in the same package unit are distributed around the main light emitter.
In one embodiment, the light emitting assembly includes a plurality of package units, the plurality of package units includes a plurality of first package units and a plurality of second package units, each of the first package units encapsulates one of the primary light emitters, and each of the second package units encapsulates a plurality of the secondary light emitters.
In one embodiment, the collecting lens includes a plurality of sub-collecting lens units, the sub-collecting lens units are arranged in one-to-one correspondence with the packaging units, and each sub-collecting lens is located in the light-emitting path of a corresponding packaging unit.
In one embodiment, the auxiliary light emitter emits auxiliary light, the auxiliary light being one or more of red light, blue light and green light.
In one embodiment, the plurality of packaging units are distributed in a circular shape, a rectangular shape or a polygonal shape, the plurality of packaging units are distributed to have a center of symmetry, the auxiliary light emitter is rotationally symmetric about the center of symmetry, and the auxiliary light emitter in the same packaging unit is farther away from the center of the distribution of the packaging units relative to the main light emitter.
In one embodiment, the LED light source module further includes a filtering unit, the filtering unit is selectively located at a filtering position or a non-filtering position, the filtering unit located at the filtering position is located in the light exit path of the lens collection system and filters light, and the filtering unit located at the non-filtering position deviates from the light exit path of the lens collection system.
In one embodiment, the light filter unit filters light emitted from the light emitting assembly and reduces the transmittance of light with a wavelength of 510 and 580 nm.
In one embodiment, the light filter unit filters light emitted from the light emitting component and reduces the transmittance of light with a wavelength of 600-660 nm.
In a second aspect, embodiments of the present application provide a lighting device. The lighting device comprises the LED light source module of any one of the embodiments.
The application provides a light-emitting component of LED light source module includes main luminous body and auxiliary luminous body, and main luminous body is used for emergent main light (like white light), and auxiliary luminous body is used for other auxiliary lights of outgoing, and the function of auxiliary light is that the color temperature that compensates main light in life cycle internal color temperature decay or the in-process of adjusting luminance changes. The main light is a main light source in the light-emitting component, the luminous flux emitted by the main light is greater than the auxiliary light, when the luminous power per unit area of the main light-emitting body and the auxiliary light-emitting body is equal, the total light-emitting area of the main light-emitting body is greater than that of the auxiliary light-emitting body, so that the effect of emergent light with stronger main light brightness and more uniform and stable light-emitting of the light-emitting component is achieved. The mode of mixing light in the light source is adopted in this application, can improve the luminance and the color decay problem that the light source appears in the in-service use process, avoids the lighting fixture to produce the bad effect of a plurality of shadows and color spots when throwing. In this application, every pointolite or area source contains a main illuminant, or every pointolite or area source contain a plurality of auxiliary illuminant, or every pointolite or area source contain a main illuminant and a plurality of auxiliary illuminant simultaneously, an array is constituteed with certain optical distance to every point or area source and collection lens, after the dodging of fly's eye lens, project outside the LED light source module through the condensing lens again, help providing light-emitting component's light-emitting effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a graph showing the shift in color coordinates after 6000 hours of aging of an LED light source.
Fig. 2 shows the shift in color temperature of an LED light source after 6000 hours of aging.
Fig. 3 is a schematic structural diagram of an LED light source module according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a packaging unit of the LED light source module shown in fig. 3.
Fig. 5 is a schematic diagram illustrating distribution of package units of an LED light source module according to an embodiment of the present application.
Fig. 6 is a schematic view of a light emitting element of an LED light source module according to a second embodiment of the present application.
Fig. 7 is a schematic view of a light emitting element of another LED light source module provided in the second embodiment of the present application.
Fig. 8 is a schematic view of a light emitting element of another LED light source module provided in the second embodiment of the present application.
Fig. 9 is a schematic view of a light emitting element of another LED light source module according to the second embodiment of the present application.
Fig. 10 is a schematic view of a light emitting element of another LED light source module according to the second embodiment of the present application.
Fig. 11 is a spectrum diagram of the aged LED light source and the adjusted LED light source module in the second embodiment of the present application.
Fig. 12 is a schematic structural diagram of an LED light source module provided in the third embodiment of the present application.
Fig. 13 is a transmittance curve diagram of a filtering unit of an LED light source module according to a third embodiment of the present application.
Fig. 14 is a transmittance curve diagram of a filtering unit of an LED light source module according to a third embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
The light emitting principle of the LED light source is that the LED blue light chip excites yellow, red, green and other fluorescent powder, and the attenuation of the LED light source has the following reasons: firstly, the LED chip outputs the attenuation of the luminous flux of blue light; secondly, the light conversion of the red and yellow fluorescent powder is attenuated; and thirdly, the aging of the glue leads to the increase of blue light absorption components and the attenuation of the luminous flux of the blue light. According to the light emitting principle of the LED light source, the attenuation thereof may bring about adverse effects such as color temperature reduction, color cast, and the like. Referring to fig. 1 and 2, the attenuation of the LED light source is embodied as a decrease in color temperature, which gradually turns green.
First embodiment
Referring to fig. 3, an embodiment of the utility model provides an LED light source module 1, where the LED light source module 1 includes a light emitting assembly 100 and a lens collecting system 107. The light emitting device 100 is used for emitting light, and the lens collecting system 107 is located in a light emitting path of the light emitting device 100, so that light emitted from the light emitting device 100 is emitted through the lens collecting system 107. The light emitting assembly 100 includes a main light emitter 111 and an auxiliary light emitter 112, the main light emitter 111 emits main light (e.g., white light), and the auxiliary light emitter 112 emits other auxiliary light.
The auxiliary light has at least one color, preferably red auxiliary light, and in one embodiment, the auxiliary light may be auxiliary light of two colors of red and blue, and in addition, the auxiliary light may also be auxiliary light of three colors of red, green and blue.
The auxiliary light may be light directly emitted from the semiconductor chip, such as light directly emitted from the red LED chip, the green LED chip, and the blue LED chip, and in one embodiment, the auxiliary light may also be obtained by exciting the corresponding phosphor through the short-wave LED chip and performing wavelength conversion.
The main illuminant 111 is a main light source in the light emitting assembly 100 and provides a main luminous flux of the light source module. The auxiliary light can compensate for the main light color temperature change during the color temperature decay or dimming process. On the premise that the unit luminous powers of the main light emitter 111 and the auxiliary light emitter 112 are equal, the total light emitting area of the main light emitter 111 is larger than that of the auxiliary light emitter 112, specifically, the luminous flux of the main light emitter 111 is larger than that of the auxiliary light emitter 112. Such an arrangement can make the main light brightness stronger, so that the light emitting assembly 100 can emit light more uniformly and stably.
Referring to fig. 4, the light emitting device 100 includes a plurality of package units 114, each package unit 114 includes at least one primary light emitter 111 and at least one secondary light emitter 112. The primary light emitter 111 may be a primary LED chip, and the secondary light emitter 112 may be a secondary LED chip, and specifically, one primary LED chip and two secondary LED chips may be included in one package unit 114, and in one embodiment, one primary LED chip and three secondary LED chips may be included in one package unit 114.
The shape of the effective light emitting surface of the main light emitter 111 is not limited to a square shape, and for example, the shape of the effective light emitting surface of the main light emitter 111 may be a circle, a polygon, or the like. The shape of the effective light emitting surface of the auxiliary light emitter 112 is not limited to a square, and for example, the shape of the effective light emitting surface of the auxiliary light emitter 112 may be a circle, a polygon, or the like.
The plurality of auxiliary light emitters 112 in the same packaging unit 114 are symmetrically arranged around the main light emitter 111, the arrangement principle of the effective light emitting surfaces of the main light emitter 111 and the auxiliary light emitters 112 is nearly circular, and the effective light emitting surfaces of the main light emitter 111 and the auxiliary light emitters 112 are reasonably distributed to obtain larger luminous flux output.
In one embodiment, the primary light emitter 111 is a primary LED chip and the secondary light emitter 112 is a secondary LED chip, and the non-light emitting components 113 of the chip, such as electrodes, may be disposed near the edge corners of the light emitting chip package for maximum light emitting efficiency.
Referring to fig. 5, the power of the high power LED light source module is usually above 100W, and the power of a single LED chip is between 10W and 20W, so that the high power LED light source module is usually composed of n (n > -3) package units 114. In one embodiment, in order to maximize the utilization of the light emitting area and make the layout of the encapsulation units 114 more concentrated, the arrangement of the encapsulation units 114 may be in a regular pattern, such as a circle or a polygon.
The distribution of the plurality of encapsulation units 114 is circular, rectangular or polygonal. In one embodiment, the distribution of the auxiliary light emitters 112 in the plurality of packaging units 114 is rotationally symmetric about the symmetry center C, and after the plurality of packaging units 114 rotate around the symmetry center C by a certain angle, the auxiliary light emitters 112 in the packaging units 114 may coincide with the original layout of the auxiliary light emitters 112 in the packaging units 114. Such an arrangement may result in better color uniformity and brightness uniformity of the light emitting assembly 100.
In one embodiment, the auxiliary light emitter 112 in the same package unit 114 is further away from the center of the package unit distribution than the main light emitter 111. On one hand, due to the arrangement, the layout of the main light-emitting body 111 is more concentrated, so that the emergent main light is more concentrated, the occurrence of color cast is reduced, and the emergent color of the light-emitting component 100 is more uniform; on the other hand, the layout of the auxiliary light emitters 112 is not too concentrated, which is helpful for providing more uniform auxiliary light from the auxiliary light emitters 112.
Referring to fig. 3, the lens collection system 107 includes a collection lens 110, a fly-eye lens 103, and a condenser lens 104. The collecting lens 110 includes a plurality of sub-collecting lens units 1010, the plurality of sub-collecting lens units 1010 are disposed in one-to-one correspondence with the plurality of encapsulation units 114, and each sub-collecting lens unit 1010 is located in the light-emitting path of a corresponding one of the encapsulation units 114.
In one embodiment, the number of the collecting lenses 110 is two, for example, one collecting lens 110 may serve as the first collecting lens 101, the other collecting lens 110 may serve as the second collecting lens 102, and the first collecting lens 101 and the second collecting lens 102 may be spaced apart from each other in the light emitting path of the light emitting assembly 100.
The fly-eye lens 103 is positioned between the collecting lens 110 and the condensing lens 104, the number of the fly-eye lenses 103 can be two, and the application of the fly-eye lens 103 to the illumination system can achieve high light energy utilization rate and large-area uniform illumination. The condenser lens 104 can compensate for the shortage of the light quantity and appropriately change the direction of the light emitted from the light source to focus the light to obtain the best illumination effect.
The lens collection system 107 is located in the light-emitting path of the light-emitting assembly 100, so that light emitted from the light-emitting assembly 100 is emitted through the collection lens 110, the fly-eye lens 103 and the condenser lens 104, and is projected to the diaphragm 105.
In the present embodiment, the main light emitter 111 and the auxiliary light emitter 112 are packaged in the same packaging unit 114, and by adopting such a packaging manner, the auxiliary light can compensate for the color temperature decay of the main light in the life cycle or the color temperature change in the dimming process. The layout of the main light emitter 111 and the auxiliary light emitter 112 is designed reasonably, so that the light emitting from the light emitting assembly 100 is uniform. By adopting the mode of light mixing inside the light source, the problems of brightness and color attenuation of the light source in the actual use process can be solved, and the adverse effects of a plurality of shadows and color spots generated by the lighting lamp during projection are avoided.
Example two
Referring to fig. 6, different from the first embodiment, in the present embodiment, the plurality of package units 210 includes a plurality of first package units 213 and a plurality of second package units 214, each of the first package units 213 packages one main light emitter 211, and each of the second package units 214 packages a plurality of auxiliary light emitters 212. By adopting the packaging method, the packaging structure of the packaging unit 210 can be simplified, the packaging process is simpler, and the packaging cost is reduced. Wherein the number of the first packing units 213 is greater than the number of the second packing units 214.
Specifically, for example, referring to fig. 7, in an embodiment, each first packaging unit 213 may package one main light emitter 211, each second packaging unit 214 may package a plurality of auxiliary light emitters 212, the number of the first packaging units 213 may be 4, and the number of the second packaging units 214 may be 1. The plurality of encapsulation units 210 are distributed in a rectangular shape, the first encapsulation unit 213 may be disposed at four vertices of the rectangular shape, and the second encapsulation unit 214 may be disposed at the center of the rectangular shape.
In one embodiment, referring to fig. 8, each first packaging unit 213 can package one main light emitter 211, each second packaging unit 214 can package a plurality of auxiliary light emitters 212, the number of the first packaging units 213 can be 6, and the number of the second packaging units 214 can be 1. The plurality of packing units 210 are distributed in a regular hexagon, the first packing unit 213 may be disposed at six vertices of the regular hexagon, and the second packing unit 214 may be disposed at the center of the regular hexagon.
In one embodiment, please refer to fig. 9, each first packaging unit 213 can package one main light emitter 211, each second packaging unit 214 can package a plurality of auxiliary light emitters 212, the number of the first packaging units 213 can be 6, and the number of the second packaging units 214 can be 4. The first packing units 213 may be disposed at six vertices of a regular hexagon, and the second packing units 214 may be symmetrically disposed within the regular hexagon.
In one embodiment, please refer to fig. 10, each first packaging unit 213 can package one main light emitter 211, each second packaging unit 214 can package a plurality of auxiliary light emitters 212, the number of the first packaging units 213 can be 6, and the number of the second packaging units 214 can be 3. The first packing units 213 may be disposed at six vertices of a regular hexagon, and the second packing units 214 may be symmetrically disposed within the regular hexagon. The plurality of package units 210 are distributed in a central symmetry.
In this embodiment, the same package unit 210 can package the auxiliary light emitters 212 emitting light of the same color, and different package units 210 can package the auxiliary light emitters 212 emitting light of different colors. For example, the auxiliary light may be one or more of red light, blue light, and green light. Such setting can be better when designing encapsulation unit 210 unified layout design, and it is even to get luminous element 201 light-emitting, reduces the production of polarisation phenomenon, has reduced the cost and the degree of difficulty of encapsulation luminous body simultaneously.
In one embodiment, the number of the first packaging units 213 is greater than the number of the second packaging units 214, i.e., the total light emitting area of the primary light emitter 211 is greater than the total light emitting area of the secondary light emitter 212. The arrangement can make the main light brightness stronger, and make the light emitting component 201 emit more uniform and stable emergent light. Please refer to table i, which is the change of the aged LED light source after passing through the adjustment of the auxiliary light in the system simulation. The color temperature of the original LED light source module is 6500K, and the color temperature of the aged LED light source module is 6280K, so that the color temperature is reduced to a certain extent. After the LED light source module 1 provided by the embodiment is dimmed, the color temperature is close to 6500K, the color rendering index is remarkably improved, and the relative spectrum is also changed. Wherein CCT represents color temperature, the unit is K, RA represents color rendering index, and R1-R15 represent color rendering index of fifteen specific colors respectively. From table one, R9 is adjusted to have a greatly improved color rendering index relative to the color rendering index during aging, and the color of the light source module is shifted from green to red. Referring to fig. 11, fig. 11 shows a spectrum of the aged LED light source and a spectrum of the LED light source module 1 provided in this embodiment after dimming. As can be seen from table i and fig. 11, the LED light source module provided in this embodiment can improve the problem of color temperature reduction caused by the attenuation of the LED light source.
EXAMPLE III
A lamplight engineer has lighting requirements of different brightness according to different application scenes, and needs to adjust the relative luminous flux output of a light source, wherein the dimming of the high-power LED light source is realized by a PWM (Pulse width modulation) dimming mode, and the PWM is 100 percent and represents full brightness; PWM ═ 0, meaning off; 0< PWM < 100%, indicates between brightest and darkest.
Watch two
According to the characteristic change of the LED spectrum after dimming, the spectrum components influencing parameters such as color, other color rendering index and the like are removed through theoretical calculation, and the required spectrum can be obtained:
S1(λ)=S0(λ)*T(λ);
wherein S1 is the required spectrum, S0 is the spectrum after dimming, and T is the spectrum modulation function.
Table two shows the variation of each parameter of the LED lamp after dimming, wherein DIM represents the brightness of the light source, CCI represents the color variation index, CCT represents the correlated color temperature, Duv represents the color deviation value, and R1-R15 represent the color rendering indexes of fifteen specific colors, respectively.
From the data in table two, the CCI index and R9 of the LED lamp are reduced more in the section of 50% -0% of the luminous flux output when the LED lamp is dimmed by PWM. The spectral modulation function is optimized mainly through the part with the brightness lower than 50%, so that the light source passes through a fixed special filter transmission curve to obtain the required output parameters.
Referring to fig. 12, the LED light source module 3 further includes a filter unit 306, and the filter unit 306 can filter the light emitted from the light emitting assembly 300. The filtering unit 306 may be a filter coated with a special transmittance, the filtering unit 306 may be selectively located at a filtering position or a non-filtering position, and cut into the light-exiting path along the direction T1 when the light source has a brightness lower than 50%, the filtering unit 306 at the filtering position is located in the light-exiting path of the lens collection system 307 and filters light, and the spectral characteristics of the light source change; when the dimming brightness is 100% -50%, the light filtering unit 306 cuts out the light path along the direction of T2, the light filtering unit 306 in the non-filtering position deviates from the light path of the lens collection system 307, and the light source is not modulated by the light filtering unit 306. According to actual needs, the brightness grade can be divided into multiple sections, and relatively accurate modulation is achieved.
The transmittance curve of the filter unit 306 is shown in FIG. 13, in which the transmittance is gradually decreased between 516 nm and 547 nm; at 547-569nm, the transmittance is increased; at least one transmittance trough is formed between 510 and 565 nm.
In one embodiment, the transmittance curve of the filter unit 306 is as shown in FIG. 14, and the transmittance is gradually decreased between 507 and 547 nm; at 547-600nm, the transmittance is increased; at least one transmittance trough is formed between 510 and 565nm, or at least one transmittance trough is formed between 600 and 646 nm.
The filtering unit 306 is characterized in that the transmittance is at least one trough at 500-700nm, the trough is between 510-580nm, the filtering unit 306 filters the light within the wavelength range, and reduces the transmittance of the light with the wavelength of 510-580 nm; or two wave troughs, one wave trough is between 510 and 580nm, the other wave trough is between 600 and 660nm, the light filtering unit 306 filters the light within the wavelength range, and reduces the transmittance of the light with the wavelength of 510 and 580nm and the transmittance of the light with the wavelength of 600 and 660 nm.
In the present embodiment, from the data in table three, after analog calculation and modulation by the filtering unit 306, the original color of the LED light source changes from green to red at 30% and 10% brightness, and R9 is significantly improved. By adopting the LED light source module 3 provided by the embodiment, the output proportion of red light and blue light can be adjusted in the process of adjusting the brightness of the LED light source by PWM, so that the change of the color temperature of the light source is reduced, and the camera can be applied in the environment to obtain good images and pictures with accurate colors.
Watch III
The embodiment of the application provides a lighting device. The lighting device comprises the LED light source module of any one of the embodiments. The lighting assembly 100 of the lighting device provided by the present application includes a main light emitter 111 and an auxiliary light emitter 112, the main light emitter 111 is used for emitting main light (such as white light), the auxiliary light emitter 112 is used for emitting other auxiliary light, and the function of the auxiliary light is to compensate for the color temperature attenuation of the main light in a life cycle or the color temperature change in a dimming process. The main light is a main light source in the light emitting assembly 100, and the luminous flux emitted by the main light source is greater than the auxiliary light source, and when the luminous power per unit area of the main light source 111 and the auxiliary light source 112 is equal, the total light emitting area of the main light source 111 is greater than the total light emitting area of the auxiliary light source 112. In the present application, each point light source or area light source includes a main light emitter 111, or each point light source or area light source includes a plurality of auxiliary light emitters 112, or each point light source or area light source includes both a main light emitter 111 and a plurality of auxiliary light emitters 112. Each point or area light source and the collecting lens 110 form an array at a certain optical distance, and after being homogenized by the fly eye lens 103, the homogenized light is projected to the outside of the LED light source module 1 through the condenser lens 104, which is helpful for providing the light emitting effect of the light emitting assembly 100. The mode of mixing light in the light source is adopted in this application, can improve the luminance and the color decay problem that the light source appears in the in-service use process, avoids the lighting fixture to produce the bad effect of a plurality of shadows and color spots when throwing.
Furthermore, the terms "first," "second," and the like are used merely for distinguishing between descriptions and not intended to imply or imply a particular structure. The description of the terms "some embodiments," "other embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this application, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, the various embodiments or examples and features of the various embodiments or examples described herein can be combined and combined by those skilled in the art without being mutually inconsistent.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. An LED light source module, comprising:
the luminous assembly is used for emitting light and comprises a main luminous body and an auxiliary luminous body, and the total light emitting area of the main luminous body is larger than that of the auxiliary luminous body;
the lens collection system comprises a collection lens, a fly-eye lens and a condensing lens, the fly-eye lens is positioned between the collection lens and the condensing lens, and the lens collection system is positioned on a light-emitting path of the light-emitting assembly, so that light emitted by the light-emitting assembly is emitted through the collection lens, the fly-eye lens and the condensing lens.
2. The LED light source module of claim 1, wherein the light emitting assembly comprises a plurality of package units, each package unit comprises at least one of the main light emitter and at least one of the auxiliary light emitters, and the auxiliary light emitters in the same package unit are distributed around the main light emitter.
3. The LED light source module of claim 1, wherein the light emitting assembly comprises a plurality of package units, the plurality of package units comprises a plurality of first package units and a plurality of second package units, each of the first package units encapsulates one of the primary light emitters, and each of the second package units encapsulates a plurality of the secondary light emitters.
4. The LED light source module as claimed in claim 2 or 3, wherein the collecting lens includes a plurality of sub-collecting lens units, the sub-collecting lens units are disposed in one-to-one correspondence with the plurality of packaging units, and each sub-collecting lens is located in the light-emitting path of a corresponding one of the packaging units.
5. The LED light source module of any one of claims 1-3, wherein the auxiliary light emitter emits auxiliary light, and the auxiliary light is one or more of red light, blue light, and green light.
6. The LED light source module of claim 2, wherein the plurality of package units are distributed in a circular shape, a rectangular shape, or a polygonal shape, the plurality of package units are distributed to have a center of symmetry, the auxiliary light emitter is rotationally symmetric about the center of symmetry, and the auxiliary light emitter in the same package unit is farther away from the center of distribution of the package units than the main light emitter.
7. The LED light source module of claim 1, further comprising a filtering unit selectively located at a filtering position or a non-filtering position, wherein the filtering unit located at the filtering position is located in the light-emitting path of the lens collection system and filters light, and the filtering unit located at the non-filtering position deviates from the light-emitting path of the lens collection system.
8. The LED light source module as claimed in claim 7, wherein the filter unit filters the light emitted from the light emitting assembly and reduces the transmittance of light with a wavelength of 510-580 nm.
9. The LED light source module as claimed in claim 7 or 8, wherein the filter unit filters the light emitted from the light emitting assembly and reduces the transmittance of light with a wavelength of 600-660 nm.
10. A lighting device, comprising the LED light source module according to any one of claims 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121470320.5U CN216591107U (en) | 2021-06-30 | 2021-06-30 | LED light source module and lighting device |
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