CN205261268U - Light source module - Google Patents

Light source module Download PDF

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Publication number
CN205261268U
CN205261268U CN201521089661.2U CN201521089661U CN205261268U CN 205261268 U CN205261268 U CN 205261268U CN 201521089661 U CN201521089661 U CN 201521089661U CN 205261268 U CN205261268 U CN 205261268U
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China
Prior art keywords
lens
light
luminescence unit
group
source module
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Active
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CN201521089661.2U
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Chinese (zh)
Inventor
徐小伟
王洪波
刘超博
卜晨曦
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Opple Lighting Co Ltd
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Opple Lighting Co Ltd
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Priority to CN201521089661.2U priority Critical patent/CN205261268U/en
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Abstract

The utility model discloses a light source module, it includes the base plate, set up a plurality of groups luminescence unit on the base plate and correspond a plurality of lens of complex with a plurality of groups luminescence units, every group luminescence unit in a plurality of groups luminescence unit is respectively during independent giving off light, follows every equal difference of laser angle that lens that the luminescence unit is corresponding jetted out light of organizing. Compared with the prior art, the embodiment of the utility model provides a respectively organizing the luminescence unit and can distinguish luminously alone in the light source module to can realize that light source module has the not laser angle of equidimension, thereby can realize the adjustable of light source module laser angle, thereby can carry out accent lighting to the object of difference.

Description

Light source module
Technical field
The utility model belongs to technical field of semiconductor illumination, relates in particular to a kind of being applied in lightingLight source module.
Background technology
In recent years, along with LED technology develop rapidly and various countries' incandescent lamp prohibit selling order appearance, as toolThe LED lighting of the advantages such as have that luminous efficiency is high, energy-saving and environmental protection, life-span are long progressively enter family expenses,The field such as business, office lighting. Especially, LED lighting, in accent light field, has also obtainedApplication widely, as LED lightings such as shelf illuminating lamp, fresh lamp, shot-lights.
But, mostly can realize in the market the light that the LED lighting of accent light emits beamBundle angle etc. can not be adjusted, and causes carrying out accent light to the illuminated object of the big or small illuminated object of difference.
Therefore, the illuminating effect of existing LED lighting is single, more and more can not meet that some are specialAccent light demand.
Utility model content
The purpose of this utility model is in order to address the above problem, and a kind of light being applied in lighting device is providedSource module, this light source module has adjustable beam angle, shines thereby meet the different emphasis of lighting deviceBright demand.
For achieving the above object, the utility model provides a kind of light source module, and it comprises substrate, is arranged at baseSome groups of luminescence units on plate and with some lens of some groups of luminescence unit corresponding matching, send out when some groupsEvery group of luminescence unit in light unit is independent when luminous respectively, penetrates light from every group of lens corresponding to luminescence unitThe beam angle of line is all different.
Further, the lower surface of the each lens in described some lens is provided with groove, described every group luminousGroove corresponding matching on unit and each lens.
Further, described each lens be provided with the first light entrance face, the second light entrance face, light reflection surface andLight-emitting face, the curvature difference of the light reflection surface on described each lens.
Further, described light reflection surface is two lateral surfaces relative on described each lens, and described light goes outThe face of penetrating is the upper surface of described each lens, the bottom surface that described the first light entrance face is described groove, describedTwo light entrance faces are two medial surfaces that described groove is corresponding.
Further, the rounded tabular of described substrate, every group of luminous list in described some groups of luminescence unitsUnit is all distributed on the circumference of substrate around substrate center, and described lens are circular, and described groove is annular.
Further, the rectangular tabular of described substrate, every group of luminous list in described some groups of luminescence unitsUnit all along lineal layout on substrate and space, described lens are vertical bar shape, described groove is vertical bar shaped.
Further, described every group of luminescence unit comprises some LED luminescence units.
Further, the arc-shaped surface that described the first light entrance face is evagination.
Further, described some groups of luminescence units comprise: first group of luminescence unit, second group of luminescence unitAnd the 3rd group of luminescence unit, described some lens comprise the first lens that coordinates with first group of luminescence unit, withThe second lens of second group of luminescence unit cooperation and the 3rd lens that coordinate with the 3rd group of luminescence unit, when firstGroup luminescence unit when luminous, is 60 degree from the irradiant beam angle of described first lens, sends out when second groupWhen light unit is luminous, be 36 degree from the irradiant beam angle of described the second lens, when the 3rd group of luminous listWhen unit is luminous, be 24 degree from the irradiant beam angle of described the 3rd lens.
Compared to prior art, each group of luminescence unit in the utility model embodiment light source module can be distinguishedLuminous separately, and can realize light source module and there are the beam angles of different sizes, thereby can realize light source dieOrganize the adjustable of beam angle, thereby can carry out accent light to different objects.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the utility modelA part, schematic description and description of the present utility model is used for explaining the utility model, not structureImproper restriction of the present utility model in pairs. In the accompanying drawings:
The three-dimensional view of a kind of light source module that Fig. 1 provides for the utility model embodiment mono-;
Fig. 2 is the three-dimensional exploded view of light source module shown in Fig. 1;
Fig. 3 is the schematic diagram of another angle of Fig. 2;
Fig. 4 is the profile along A-A line in Fig. 1;
Fig. 5 is the corresponding index path of lens shown in Fig. 4;
Fig. 6 is when in light source module shown in Fig. 1, first group of luminescence unit is luminous, the luminous intensity distribution that first lens is correspondingCurve map;
Fig. 7 is when in light source module shown in Fig. 1, second group of luminescence unit is luminous, the luminous intensity distribution that the second lens are correspondingCurve map;
Fig. 8 is when in light source module shown in Fig. 1, the 3rd group of luminescence unit is luminous, luminous intensity distribution corresponding to the 3rd lensCurve map;
The three-dimensional view of a kind of light source module that Fig. 9 provides for the utility model embodiment bis-;
Figure 10 is the three-dimensional exploded view of light source module shown in Fig. 9;
Figure 11 is the schematic diagram of another angle of Figure 10;
Figure 12 is the profile along B-B line in Fig. 9;
Figure 13 is the corresponding index path of lens shown in Figure 12.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, new below in conjunction with this practicalityType specific embodiment and corresponding accompanying drawing are clearly and completely described technical solutions of the utility model. AobviousSo, described embodiment is only the utility model part embodiment, instead of whole embodiment. BaseEmbodiment in the utility model, those of ordinary skill in the art are not making under creative work prerequisiteThe every other embodiment obtaining, belongs to the scope that the utility model is protected.
Embodiment mono-
Fig. 1 to Fig. 4 has shown a kind of light being applied in lighting that the utility model embodiment mono-providesSource module 100, this light source module 100 comprises substrate 1, is arranged at the some luminescence units 2 on substrate 1And the some circular lens 3 that coordinate with some luminescence units 2.
Each element in the light source module 100 providing for the utility model the first embodiment is below done in detailDescribe in detail bright.
As shown in Figure 1 to Figure 3, the rounded tabular of substrate 1, it can be printed circuit board (PCB), this printingOn circuit board, there is conducting wire (not shown). Some luminescence units 2 can pass through surface mount process(SurfaceMountTechnology, SMT) or through hole technology (ThroughHoleTechnology, THT) be installed on a surface of substrate 1. By the conducting wire on substrate 1,Between some luminescence units 2, be mutually electrically connected. On another surface of substrate 1, can also be electrically connected and driveMoving power supply module (not shown), driving power assembly can drive luminescence unit 2 luminous.
As shown in Figures 2 and 4, in the present embodiment, some luminescence units 2 are divided into first group of luminescence unit21, second group of luminescence unit 22 and the 3rd group of luminescence unit 23, each organizes luminescence unit 21,22,23Inside include some luminescence units 2. First, second and third group of luminescence unit 21,22,23 is all around baseThe central distribution of plate 1 is on the circumference of substrate 1, and first, second and third group of luminescence unit 21,22,23 distribute respectively from inside to outside, and the distribution circle diameter D1 of first group of luminescence unit 21 is less than second groupThe distribution circle diameter D2 of luminescence unit 22, the distribution circle diameter D2 of second group of luminescence unit 22 is less thanThe distribution circle diameter D3 of the 3rd group of luminescence unit 23. Concrete, luminescence unit 2 can be light-emitting diodesThe photophore of pipe LED or other types.
As shown in Figures 2 and 4, some lens 3 comprise coordinate with first group of luminescence unit 21 first saturatingMirror 31, the second lens 32 that coordinate with second group of luminescence unit 22 and coordinating with the 3rd group of luminescence unit 23The 3rd lens 33. First lens 31, the second lens 32 and the 3rd lens 33 are all circular, and allCan be made by the optical-grade transparent such as polycarbonate, polymetylmethacrylate plastics. Specifically, first lens 31, the second lens 32 and the 3rd lens 33 all can be one-body molded by injection molding technologyForm.
As shown in Figures 3 and 4, concrete, first lens 31 lower surfaces are equipped with one and are annularThe first central diameter d1 of groove 311, the first grooves 311 and the distribution circumference of first group of luminescence unit 21Diameter D1 is identical, and therefore, first group of luminescence unit 21 is corresponding with above-mentioned the first groove 311. Second is saturatingThe lower surface of mirror 32 is provided with a central diameter that is the second groove 321, the second grooves 321 of annularD2 is identical with the distribution circle diameter D2 of second group of luminescence unit 22, therefore, and second group of luminescence unit 22Corresponding with above-mentioned the second groove 321. The lower surface of the 3rd lens 33 is provided with one and is the 3rd of annularThe distribution circle diameter of the central diameter d3 of groove 331, the three grooves 331 and the 3rd group of luminescence unit 31D3 is identical, and therefore, the 3rd group of luminescence unit 31 is corresponding with above-mentioned the 3rd groove 331.
Further, the structure for first lens 31, the second lens 32 and the 3rd lens 33 below is doneFurther illustrate.
As shown in Figures 3 to 5, circular first lens 31 is provided with the first light entrance face 312 and secondLight entrance face 313, the first light entrance faces 312 are the bottom surface of the first groove 311 correspondences, the second light entrance face313 is two relative medial surfaces of the first groove 311 correspondences. First lens 31 also comprises light reflection surface314 and light-emitting face 315, light reflection surface 314 is two lateral surfaces relative on first lens 31, and light goes outPenetrate the upper surface that face 315 is first lens 31. The curved surface that the first light entrance face 312 is evagination, the second lightThe plane of incidence 313 is the round table surface of two inclinations, and light reflection surface 314 is the curved surface of inclination and evagination.
The second circular lens 32 are provided with the first light entrance face 322 and the second light entrance face 323, the firstLight entrance face 322 is the bottom surface of the second groove 321 correspondences, and the second light entrance face 323 is the second groove 321Two corresponding relative medial surfaces. The second lens 32 also comprise light reflection surface 324 and light-emitting face 325,Light reflection surface 324 is two lateral surfaces relative on the second lens 32, and light-emitting face 325 is the second lens31 upper surface. The curved surface that the first light entrance face 322 is evagination, the second light entrance face 323 is two and inclinesOblique round table surface, light reflection surface 334 is the curved surface of inclination and evagination.
The 3rd circular lens 33 are provided with the first light entrance face 332 and the second light entrance face 333, the firstLight entrance face 332 is the bottom surface of the 3rd groove 331 correspondences, and the second light entrance face 333 is the 3rd groove 331Two corresponding relative medial surfaces. The 3rd lens 33 also comprise light reflection surface 334 and light-emitting face 335,Light reflection surface 334 is two lateral surfaces relative on the 3rd lens 33, and light-emitting face 335 is the 3rd lens33 upper surface. The curved surface that the first light entrance face 332 is evagination, the second light entrance face 333 is two and inclinesOblique round table surface, light reflection surface 334 is the curved surface of inclination and evagination.
It should be noted that the light-emitting face 315,325,335 of the first to the 3rd lens 31,32,33There is frosted or erosion line, eliminate the macula lutea in light.
As shown in Figure 5, in the time that the luminescence unit 2 in first group of luminescence unit 21 is luminous, negative 30 degree extremely justLight within the scope of 30 degree exposes to the first light entrance face 312 of first lens 31, and light is at the first lightOn the plane of incidence 312, occur inwardly after refraction, further expose to light-emitting face 315 and prolong from light-emitting face 315Stretch out. Extremely negative 90 degree of negative 30 degree and positive 30 degree expose to the second light to the light within the scope of positive 90 degree and enterPenetrate face 313 and occur outwards after refraction, further to expose to light reflection surface 314, light is anti-at light reflection surface 314Penetrate and further expose to light-emitting face 315 and extend out from light-emitting face 315 afterwards.
Further, as shown in Figure 4, the cross section structure of the second lens 32 and the 3rd lens 33 and first saturatingThe cross section structure of mirror 31 is basic identical. Difference is, the song of the light reflection surface 324 of the second lens 32Rate, the curvature of the curvature of the light reflection surface 334 of the 3rd lens 33 and the light reflection surface 314 of first lens 31Different. Therefore, light is different from light by first lens 31 by the beam angle of the second lens 32Beam angle, light is also different from light by the second lens 32 and the by the beam angle of the 3rd lens 32The beam angle of one lens 31. Certainly the factor that, affects above-mentioned beam angle is not limited in the light reflection of lensThe curvature of face can also be the other factorses such as the shape of light reflection surface.
It should be noted that first group of luminescence unit in the present embodiment light source module 100 21, second groupLuminescence unit 22 and the 3rd group of luminescence unit 23 can be distinguished independent sending out under the driving of driving power assemblyLight, meets different accent light demands with this. Light source module 100 can have three kinds of different light beamsAngle. Concrete, as shown in Figure 6, in the time that first group of luminescence unit 21 is luminous, light is through first lensBeam angle after 31 is approximately 60 degree. As shown in Figure 7, in the time that second group of luminescence unit 22 is luminous, lightThe beam angle of line after the second lens 32 is approximately 36 degree. As shown in Figure 8, when the 3rd group of luminescence unit23 when luminous, and the beam angle of light after the 3rd lens 33 is approximately 24 degree. Certainly above-mentioned light source,First lens 31, the second lens 32 and the 3rd lens 33 in module 100 are only distinguished corresponding beam angleFor exemplary illustration, be not limited in above-mentioned angle.
Therefore, when the first group of luminescence unit 21 in light source module 100, second group of luminescence unit 22 andWhen three groups of luminescence units 23 are luminous respectively, just can realize light source module 100 and there are different big or small light beamsAngle, beam angle is adjustable, thereby can realize, the object of different sizes is carried out to accent light. Such as, whenNeed to carry out accent light to larger object time, just can make first group of luminescence unit in light source die group 10021 is luminous, can realize the accent light to larger object by beam angle in a big way. When needs rightWhile carrying out accent light compared with wisp, just can make 23 of the 3rd group of luminescence units in light source die group 100Light, can realize compared with the accent light of wisp by beam angle more among a small circle.
Embodiment bis-
Fig. 9 to Figure 11 has shown that the another kind that the utility model embodiment bis-provides is applied to lighting (notDiagram) interior light source module 100a, this light source module 100a comprises substrate 1a, is arranged on substrate 1aSome luminescence unit 2a and coordinate with some luminescence unit 2a be somely circular lens 3a.
Each element in the light source module 100a providing for the utility model embodiment bis-is below done in detailExplanation.
As shown in FIG. 9 and 10, the rectangular tabular of substrate 1a, it can be printed circuit board (PCB), this sealOn printed circuit board, there is conducting wire (not shown). Some luminescence unit 2a can pass through surface mount process(SurfaceMountTechnology, SMT) or through hole technology (ThroughHoleTechnology, THT) be installed on a surface of substrate 1a. By the conducting wire on substrate 1a,Between some luminescence unit 2a, be mutually electrically connected. If substrate 1a another surface on can also arrange withThe driving power assembly (not shown) that dry luminescence unit is electrically connected, driving power assembly can drive someLuminescence unit 2a is luminous.
As shown in figure 10, in the present embodiment, some luminescence unit 2a be divided into first group of luminescence unit 21a,Second group of luminescence unit 22a and the 3rd group of luminescence unit 23a, each luminescence unit group 21a, 22a, 23aInside include some luminescence unit 2a. First, second and third group of luminescence unit 21a, 22a, the equal edge of 23aLineal layout is in the upper surface of substrate 1a, and first, second and third group of luminescence unit 21a, 22a, 23aDistribute successively from left to right.
As shown in figure 10, some lens 3a comprise the first lens 31a coordinating with first group of luminescence unit 21a,The the second lens 32a coordinating with second group of luminescence unit 22a and coordinate with the 3rd group of luminescence unit 23aThree lens 33a. First lens 31a, the second lens 32a and the 3rd lens 33a are all vertical bar shape, and allCan be made by the optical-grade transparent such as polycarbonate, polymetylmethacrylate plastics. Specifically, first lens 31a, the second lens 32a all can become by injection molding technology one with the 3rd lens 33aType forms.
As shown in Figures 10 and 11, the lower surface of first lens 31a is provided with one and prolongs along first lens 31aStretch the first groove 311a that direction is extended, the first groove 311a is elongated. First group of luminescence unit 21aWith above-mentioned the first groove 311a corresponding matching. The lower surface of the second lens 32a is provided with one along the second lensThe second groove 321a that 32a bearing of trend extends, the second groove 321a is also elongated. Send out for second groupLight unit 22a and above-mentioned the second groove 321a corresponding matching. The lower surface of the 3rd lens 33a is provided with oneThe 3rd groove 331a extending along the 3rd lens 33a bearing of trend, the 3rd groove 331a is elongated.The 3rd group of luminescence unit 23a and above-mentioned the 3rd groove 331a corresponding matching.
Further, below for the structure of first lens 31a, the second lens 32a and the 3rd lens 33aBe described further.
As shown in figure 12, the first lens 31a of vertical bar shape is provided with the first light entrance face 312a and the second light entersPenetrate face 313a, the first light entrance face 312a is the first bottom surface corresponding to groove 311a, the second light entrance face313a is two relative medial surfaces that the first groove 311a is corresponding. First lens 31a also comprises light reflectionFace 314a and light-emitting face 315a, light reflection surface 314a is upper two the relative lateral surfaces of first lens 31a,Light-emitting face 315a is the upper horizontal surface of first lens 31a. The song that the first light entrance face 312a is evaginationFace, the second light entrance face 313a is the round table surface of two inclinations, light reflection surface 314a tilts and evaginationCurved surface.
The second lens 32a of vertical bar shape is provided with the first light entrance face 322a and the second light entrance face 323a, theOne light entrance face 322a is the second bottom surface corresponding to groove 321a, and the second light entrance face 323a is second recessedTwo relative medial surfaces that groove 321a is corresponding. The second lens 32a also comprises that light reflection surface 324a and light go outPenetrate face 325a, light reflection surface 324a is upper relative medial surface and the lateral surface of the second lens 32a, light outgoingFace 325a is the upper surface of the second lens 32a. The curved surface that the first light entrance face 322a is evagination, the second lightPlane of incidence 323a is the round table surface of two inclinations, and light reflection surface 324a is the curved surface of inclination and evagination.
The 3rd lens 33a of vertical bar shape is provided with the first light entrance face 332a and the second light entrance face 333a, theOne light entrance face 332a is the 3rd bottom surface corresponding to groove 331a, and the second light entrance face 333a is the 3rd recessedTwo relative medial surfaces that groove 331a is corresponding. The 3rd lens 33a also comprises that light reflection surface 334a and light go outPenetrate face 335a, light reflection surface 334a is upper relative medial surface and the lateral surface of the 3rd lens 32a, light outgoingFace 325a is the upper surface of the 3rd lens 33a. The curved surface that the first light entrance face 332a is evagination, the second lightPlane of incidence 333a is the round table surface of two inclinations, and light reflection surface 334a is the curved surface of inclination and evagination.
It should be noted that, the first to the 3rd lens 31a, 32a, the light-emitting face 315a of 33a, 325a,On 335, there is frosted or erosion line, eliminate the macula lutea in light.
As shown in figure 13, in the time that the luminescence unit 2a in first group of luminescence unit 21a is luminous, negative 30 degreeExtremely the light within the scope of positive 30 degree exposes to the first light entrance face 312a of first lens 31a, and light existsThe first light entrance face 312a is upper occurs further to expose to light-emitting face 315a after inwardly refraction and from light outgoingFace 315a extends out. Negative 30 degree to negative 90 degree and positive 30 degree to the light within the scope of positive 90 degree irradiateOccur outwards after refraction, further to expose to light reflection surface 314a to the second light entrance face 313a, light is at lightAfter reflecting surface 314a reflection, further expose to light-emitting face 315a and extend out from light-emitting face 315a.
Further, cutting of the cross section structure of the second lens 32a and the 3rd lens 33a and first lens 31aFace structure is basic identical. Difference is, the curvature, of the light reflection surface 324a of the second lens 32aThe curvature of the curvature of the light reflection surface 334a of three lens 33a and the light reflection surface 314a of first lens 31a isDifferent. Therefore, light is different from light by first lens 31a by the beam angle of the second lens 32aBeam angle, light be also different from light by the second lens 32a by the beam angle of the 3rd lens 32a andThe beam angle of first lens 31a. Certainly it is anti-that the factor that, affects above-mentioned beam angle is not limited in the light of lensPenetrating the curvature of face, can also be the other factorses such as the shape of light reflection surface.
It should be noted that first group of luminescence unit 21a in the present embodiment light source module 100a, second groupLuminescence unit 22a and the 3rd group of luminescence unit 23a can distinguish independent sending out under the driving of driving power assemblyLight, just can realize light source module 100a and have different big or small beam angles, and beam angle is adjustable, therebyCan realize different objects is carried out to accent light.
Above-described instantiation, has carried out the purpose of this utility model, technical scheme and beneficial effectFurther describe, institute it should be understood that and the foregoing is only specific embodiment of the utility model,Be not limited to the utility model, all within spirit of the present utility model and principle, any repairing of doingChange, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (9)

1. a light source module, is characterized in that: it comprises substrate, be arranged on substrate some groups send outLight unit and with some lens of some groups of luminescence unit corresponding matching, when every group in some groups of luminescence unitsLuminescence unit is respectively independent when luminous, from the irradiant beam angle of lens corresponding to every group of luminescence unit all notWith.
2. light source module as claimed in claim 1, is characterized in that, each in described some lensThe lower surface of lens is provided with groove, the groove corresponding matching on described every group of luminescence unit and each lens.
3. light source module as claimed in claim 2, is characterized in that, described each lens are provided with firstLight entrance face, the second light entrance face, light reflection surface and light-emitting face, the light reflection surface on described each lensCurvature difference.
4. light source module as claimed in claim 3, is characterized in that, described light reflection surface is described everyRelative two lateral surfaces on individual lens, the upper surface that described light-emitting face is described each lens, describedOne light entrance face is the bottom surface of described groove, and described the second light entrance face is two inner sides that described groove is correspondingFace.
5. light source module as claimed in claim 2, is characterized in that, the rounded tabular of described substrate,Every group of luminescence unit in described some groups of luminescence units is all distributed on the circumference of substrate around substrate center, instituteState lens and be circular, described groove is annular.
6. light source module as claimed in claim 2, is characterized in that, the rectangular tabular of described substrate,Every group of luminescence unit in described some groups of luminescence units all along lineal layout on substrate and space, instituteState lens and be vertical bar shape, described groove is vertical bar shaped.
7. light source module as claimed in claim 1, is characterized in that, described every group of luminescence unit comprisesSome LED luminescence units.
8. light source module as claimed in claim 4, is characterized in that, outside described the first light entrance face isProtruding arc-shaped surface.
9. light source module as claimed in claim 1, is characterized in that, described some groups of luminescence unit bagsDraw together: first group of luminescence unit, second group of luminescence unit and the 3rd group of luminescence unit, described some lens compriseThe first lens coordinating with first group of luminescence unit, the second lens that coordinate with second group of luminescence unit and withThree groups of the 3rd lens that luminescence unit coordinates, in the time that first group of luminescence unit is luminous, penetrate from described first lensThe beam angle that goes out light is 60 degree, in the time that second group of luminescence unit is luminous, penetrates light from described the second lensThe beam angle of line is 36 degree, in the time that the 3rd group of luminescence unit is luminous, irradiant from described the 3rd lensBeam angle is 24 degree.
CN201521089661.2U 2015-12-24 2015-12-24 Light source module Active CN205261268U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105953177A (en) * 2016-07-06 2016-09-21 江门市欧能照明科技有限公司 Novel light source lens
CN110159943A (en) * 2019-05-15 2019-08-23 上海亚明照明有限公司 LED lamp component and its lens ring cover circle
CN110260173A (en) * 2019-07-05 2019-09-20 华格照明科技(上海)有限公司 A kind of linear lamps of changeable light distribution
CN111964008A (en) * 2020-08-28 2020-11-20 宁波公牛光电科技有限公司 Lens, light source module, photoelectric module and ceiling lamp
CN112268231A (en) * 2020-10-24 2021-01-26 中山火炬职业技术学院 High-reliability COB light source module with variable beam angle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105953177A (en) * 2016-07-06 2016-09-21 江门市欧能照明科技有限公司 Novel light source lens
CN110159943A (en) * 2019-05-15 2019-08-23 上海亚明照明有限公司 LED lamp component and its lens ring cover circle
CN110260173A (en) * 2019-07-05 2019-09-20 华格照明科技(上海)有限公司 A kind of linear lamps of changeable light distribution
CN111964008A (en) * 2020-08-28 2020-11-20 宁波公牛光电科技有限公司 Lens, light source module, photoelectric module and ceiling lamp
CN111964008B (en) * 2020-08-28 2022-08-16 宁波公牛光电科技有限公司 Lens, light source module, photoelectric module and ceiling lamp
CN112268231A (en) * 2020-10-24 2021-01-26 中山火炬职业技术学院 High-reliability COB light source module with variable beam angle

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