CN105953176A - Lamp and lens with variable light extraction angle - Google Patents

Lamp and lens with variable light extraction angle Download PDF

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Publication number
CN105953176A
CN105953176A CN201610482490.2A CN201610482490A CN105953176A CN 105953176 A CN105953176 A CN 105953176A CN 201610482490 A CN201610482490 A CN 201610482490A CN 105953176 A CN105953176 A CN 105953176A
Authority
CN
China
Prior art keywords
described
led lamp
lamp bead
lens
multiple
Prior art date
Application number
CN201610482490.2A
Other languages
Chinese (zh)
Inventor
罗荣
骆少卿
龙改良
Original Assignee
深圳福凯半导体技术股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳福凯半导体技术股份有限公司 filed Critical 深圳福凯半导体技术股份有限公司
Priority to CN201610482490.2A priority Critical patent/CN105953176A/en
Publication of CN105953176A publication Critical patent/CN105953176A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015Fastening arrangements intended to retain light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/04Refractors for light sources of lens shape
    • F21V5/045Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses

Abstract

The invention relates to a lamp and a lens with a variable light extraction angle. The lamp also comprises a heat dissipation cover, a light source component and a control device, wherein the light source component is composed of a PCB board and LED lamp beads. The lens comprises a light incident surface and a light extraction surface, wherein a plurality of convex permeability parts which are arranged at intervals are formed in the direction, far away from the light incident surface, of the light extraction surface in a protruding manner. According to the lamp and the lens, the cross section of each convex permeability part is in a bow shape, spans of bows are the same, and the heights of a plurality of convex permeability parts are different, so that the light extraction angles, corresponding to various convex permeability parts, are different; and when each of a part of convex permeability parts is correspondingly provided with a plurality of LED lamp beads and each of the remaining convex permeability parts is not correspondingly provided with the LED lamp beads, the brightness of each LED lamp bead and/or the position of each LED lamp bead can be controlled by the control device so as to control the corresponding light extraction angle.

Description

Light fixture and the variable lens of rising angle thereof

Technical field

The present invention relates to lighting technical field, particularly relate to a kind of light fixture and the variable lens of rising angle thereof.

Background technology

A kind of optical element that lens are made up of transparency material (such as glass, crystal etc.).Lens are roots Make according to the law of refraction of light.

The rising angle of conventional lenses is mostly fixing, such as, 60 ° of lens, refer to rising angle solid It is set to 60 °, it is impossible to change into other angles.If it is intended to the rising angle of other angle, need to be produced it The lens of its rising angle.It is to say, need different rising angle, need to make different lens and come real Existing, it is impossible to accomplish that same lens have different rising angles.

Summary of the invention

Based on this, it is necessary to for above-mentioned technical problem, it is provided that light fixture that a kind of rising angle is variable and thoroughly Mirror.

The lens that a kind of rising angle is variable, including incidence surface and exiting surface, described exiting surface is back on described Incidence surface is arranged, and light is injected from described incidence surface, and penetrated from described exiting surface, and described exiting surface is to far Highlight from the direction of described incidence surface and be formed with multiple spaced convex part, the cross section of described convex part Span for arch and arch is identical, and the height of multiple described convex parts is different.

Wherein in an embodiment, described convex part is annular, and multiple described convex parts form interval point The donut of cloth.

Wherein in an embodiment, the height of described convex part is along donut direction from inside to outside successively Increase.

Wherein in an embodiment, the height of described convex part is along donut direction from inside to outside successively Reduce.

Wherein in an embodiment, each convex part height is crisscross arranged.

Wherein in an embodiment, described incidence surface is along being formed recessed near the direction of described exiting surface depression Groove, described groove is corresponding with described convex part.

Wherein in an embodiment, its edge is also prominent is formed with clinch, and described clinch includes tilting Sidewall and level overlap joint wall, described sloped sidewall is tilted to extend to the direction of described exiting surface by the edge of lens Being formed, described level overlap joint wall is parallel to described exiting surface and arranges.

A kind of light fixture, including:

Heat dissipating housing, has a host cavity;

Light source assembly, is contained in described host cavity, and described light source assembly includes pcb board and LED lamp bead, The quantity of described LED lamp bead is multiple, and multiple described LED lamp bead are removable installed in described pcb board On;And

The lens that rising angle as described in any one in above-described embodiment is variable, described rising angle is variable Lens cover be located on described heat dissipating housing, multiple described LED lamp bead are positioned at inside described incidence surface, Duo Gesuo State LED lamp bead all corresponding with wherein convex part described in, or multiple described LED lamp bead is according to predetermined Ratio is corresponding with multiple described convex parts.

A kind of light fixture, including:

Heat dissipating housing, has a host cavity;

Light source assembly, is contained in described host cavity, and described light source assembly includes pcb board and LED lamp bead, The quantity of described LED lamp bead is multiple, and multiple described LED lamp bead are arranged on described pcb board;

Control device, for controlling the brightness of described LED lamp bead;And

The lens that rising angle as described in any one in above-described embodiment is variable, described rising angle is variable Lens cover be located on described heat dissipating housing, multiple described LED lamp bead are positioned at inside described incidence surface, each convex Portion is all to there being multiple described LED lamp bead thoroughly.

A kind of light fixture, including:

Heat dissipating housing, has a host cavity;

Light source assembly, is contained in described host cavity, and described light source assembly includes pcb board and LED lamp bead, The quantity of described LED lamp bead is multiple, and multiple described LED lamp bead are arranged on described pcb board;

Control device, for controlling the brightness of described LED lamp bead;And

The lens that rising angle as described in any one in above-described embodiment is variable, described rising angle is variable Lens cover be located on described heat dissipating housing, multiple described LED lamp bead are positioned at inside described incidence surface, Qi Zhongyi Each convex part in part convex part is all to there being multiple LED lamp bead, and remainder convex part is to having LED lamp bead.

The light fixture of an above-mentioned embodiment and the variable lens of rising angle thereof at least have the advantage that

Lens cover is located on heat dissipating housing, and pcb board and LED lamp bead are positioned at inside the incidence surface of lens, due to thoroughly The exiting surface of mirror is formed with multiple spaced convex part to away from the direction of incidence surface is prominent, convex part Cross section is that the span of arch and arch is identical, and the height of multiple convex parts is different, therefore each convex part pair The rising angle answered is different, and LED lamp bead is removably disposed on pcb board, when multiple LED Pearl is all corresponding with a wherein convex part, and the rising angle that now rising angle is corresponding with this convex part is identical; When needing to change rising angle, LED lamp bead is disassembled and is installed to the position corresponding with another convex part ?;Can also multiple LED lamp bead corresponding with multiple convex parts according to predetermined ratio, now rising angle For the predetermined angular between minimum angles and maximum angle.

The light fixture of another embodiment above-mentioned and the variable lens of rising angle thereof at least have the advantage that

Lens cover is located on heat dissipating housing, and pcb board and LED lamp bead are positioned at inside the incidence surface of lens, due to thoroughly The exiting surface of mirror is formed with multiple spaced convex part to away from the direction of incidence surface is prominent, convex part Cross section is that the span of arch and arch is identical, and the height of multiple convex parts is different, therefore each convex part pair The rising angle answered is different, and each convex part, now can be by controlling all to there being multiple LED lamp bead Device controls the luminance ratio of LED lamp bead, is controlled between minimum angles and maximum angle by rising angle A certain predetermined angular.

The light fixture of above-mentioned another embodiment and the variable lens of rising angle thereof at least have the advantage that

Lens cover is located on heat dissipating housing, and pcb board and LED lamp bead are positioned at inside the incidence surface of lens, due to thoroughly The exiting surface of mirror is formed with multiple spaced convex part to away from the direction of incidence surface is prominent, convex part Cross section is that the span of arch and arch is identical, and the height of multiple convex parts is different, therefore each convex part pair The rising angle answered is different, when each convex part in a portion convex part is all multiple to having LED lamp bead, remainder convex part to when should have LED lamp bead, can not control LED by controlling device The brightness of lamp bead and/or the position of LED lamp bead control rising angle.

Accompanying drawing explanation

Fig. 1 is the structural representation of light fixture in an embodiment;

Fig. 2 is the structural representation at another visual angle of light fixture shown in Fig. 1;

Fig. 3 is the decomposing schematic representation of light fixture shown in Fig. 1;

Fig. 4 is the decomposing schematic representation at another visual angle of light fixture shown in Fig. 1;

Fig. 5 is the front view of lens in Fig. 4;

Fig. 6 is the sectional view of lens shown in Fig. 5;

Fig. 7 is the partial enlarged drawing in Fig. 6 at A;

Fig. 8 is the partial enlarged drawing in Fig. 6 at B;

Fig. 9 is the partial enlarged drawing in Fig. 6 at C;

Figure 10 is the schematic diagram that LED lamp bead corresponds to the convex part of lens;

Figure 11 is the schematic diagram of the convex part that LED lamp bead corresponds to lens in another embodiment;

Figure 12 is the schematic diagram of the convex part that LED lamp bead corresponds to lens in a further embodiment.

Detailed description of the invention

Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, the most right The detailed description of the invention of the present invention is described in detail.Elaborate in the following description a lot of detail with It is easy to fully understand the present invention.But the present invention can come real to be a lot different from alternate manner described here Executing, those skilled in the art can do similar improvement in the case of intension of the present invention, therefore this Bright do not limited by following public being embodied as.

It should be noted that when element is referred to as " being fixed on " another element, and it can be directly at another On individual element or element placed in the middle can also be there is.When an element is considered as " connection " another yuan Part, it can be directly to another element or may be simultaneously present centering elements.Used herein Term " vertical ", " level ", "left", "right" and similar statement simply to illustrate that mesh , being not offered as is unique embodiment.

Unless otherwise defined, all of technology used herein and scientific terminology and the technology belonging to the present invention The implication that the technical staff in field is generally understood that is identical.The art used the most in the description of the invention Language is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting the present invention.The above is implemented Each technical characteristic of example can combine arbitrarily, for making description succinct, and not each in above-described embodiment The all possible combination of individual technical characteristic is all described, but, as long as the combination of these technical characteristics is not deposited In contradiction, all it is considered to be the scope that this specification is recorded.

Refer to Fig. 1 to Fig. 4, be the light fixture 10 in an embodiment.This light fixture 10 is specifically as follows industrial and mineral Lamp etc..Specific in present embodiment, light fixture 10 includes that heat dissipating housing 100, light source assembly and rising angle can The lens 300 become.

Heat dissipating housing 100 has a host cavity (figure is not marked), and host cavity is for parts such as light source assemblies.Heat radiation It is additionally provided with multiple radiating fin 110, to improve the radiating efficiency of heat dissipating housing 100 on the lateral wall of cover 100.

The outside of heat dissipating housing 100 is additionally provided with power pack 400 and power supply (not shown), and power supply is housed in power supply In box 400, power pack 400 is crossed on heat dissipating housing 100.Mounting ring 500 it is additionally provided with on power pack 400, Light fixture 10 can be fixed on other objects by mounting ring 500.

Light source assembly is contained in host cavity.Light source assembly includes pcb board 210 and LED lamp bead 220 (figure 10), LED lamp bead 220 electrically connects with pcb board 210.The quantity of LED lamp bead 220 is multiple, multiple LED lamp bead 220 is removable installed on pcb board 210.

Seeing also Fig. 5 to Fig. 9, the variable lens 300 of rising angle are covered on heat dissipating housing 100, LED The rays pass through lens 300 that lamp bead 220 sends penetrates.It is additionally provided with between lens 300 and heat dissipating housing 100 O-ring seal (not shown), to increase the sealing between lens 300 and heat dissipating housing 100.

Lens 300 include incidence surface 300a and exiting surface 300b, and exiting surface 300b is back on incidence surface 300a Arrange.When lens 300 are covered on heat dissipating housing 100, incidence surface 300a is towards host cavity, exiting surface 300b Expose to heat dissipating housing 100.Multiple LED lamp bead 220 are positioned at inside incidence surface 300a, LED lamp bead 220 The light sent injects lens 300 from incidence surface 300a, and penetrates lens 300 from exiting surface 300b.

Exiting surface 300b is formed with multiple spaced convex part to away from the direction of incidence surface 300a is prominent 310, form a lens groove 320 between adjacent two convex parts 310.The cross section of convex part 310 is arch And the span of arch is identical, the height of multiple convex parts 310 is different, and therefore, multiple convex parts 310 are corresponding Rising angle the most different.Such as, the rising angle of convex part 310 shown in Fig. 7 is 120 °.Shown in Fig. 8 The rising angle of convex part 310 be 90 °.The rising angle of convex part 310 described in Fig. 9 is 60 °.

Lens 300 are substantially round in shape, and convex part 310 is in annular, and multiple convex parts 310 form interval point The donut of cloth.Such as, the height of convex part 310 increases successively along donut direction from inside to outside. Certainly, in other embodiments, the height of convex part 310 depends on along donut direction from inside to outside Secondary reduction.Can be crisscross arranged with each convex part 310 height.Or the height of convex part 310 is according to need Ask arbitrarily setting.

Certainly, in other embodiments, the shape of lens 300 is not specifically limited, multiple convex parts 310 can also linearly be arranged in parallel.

Specific in present embodiment, incidence surface 300a is formed along near the direction of exiting surface 300b depression Groove 330, groove 330 is corresponding with convex part 310.Therefore, it is installed to PCB when LED lamp bead 220 Time on plate 210, the end of LED lamp bead 220 can be stretched in groove 330, so that LED lamp bead 220 sends Light major part penetrate along lens 300.

The edge of lens 300 is also prominent forms clinch 340, and clinch 340 includes sloped sidewall 341 and water Flat overlap joint wall 342, sloped sidewall 341 is tilted to extend to the direction of exiting surface 300b by the edge of lens 300 Being formed, level overlap joint wall 342 is parallel to exiting surface 300b and arranges.Certainly, the sloped sidewall of clinch also may be used Think that straight sidewall, straight sidewall are perpendicular to exiting surface 300b and arrange.

Multiple LED lamp bead 220 are positioned at the inner side of incidence surface 300a.Specific in present embodiment, multiple LED lamp bead 220 is all corresponding with a wherein convex part 310.Now, the rising angle of these lens 300 The rising angle corresponding with this convex part 310 is identical.Such as, in the illustrated embodiment of Figure 10, multiple LED lamp bead 220 is entirely located in inside the convex part 310 that rising angle is 120 °, therefore, and these lens 300 Rising angle be 120 °.During as the rising angle of lens 300 need to be changed, can be by LED lamp bead 220 Disassemble, reinstall to position corresponding with the convex part 310 of required angle on pcb board 210 i.e. Can.

Certainly, in other embodiments, it is also possible to multiple LED lamp bead 220 according to predetermined ratio with many Individual convex part 310 is corresponding, and now the rising angle of lens 300 is minimum angles (0 °) and maximum angle Predetermined angular between (180 °).Such as, convex part 310 is multiple to having respectively partly or completely LED lamp bead 220, when the light that the most multiple LED lamp bead 220 send is by convex part 310, it may occur that Crossing or overlapping, therefore the rising angle of lens 300 is each convex part 310 to there being LED lamp bead 220 The rising angle that formed the most afterwards of rising angle.By controlling the LED lamp bead 220 of convex part 310 correspondence Quantitative proportion, can the rising angle of lens 300 control between minimum angles and maximum angle appoint A kind of angle of meaning.

Refer to Figure 11, for the LED lamp bead 220 ' in another embodiment corresponding to lens 300 ' The schematic diagram of convex part.In the embodiment shown in Figure 11, this light fixture also includes controlling device (not shown), Control device and be used for controlling the brightness of LED lamp bead 220 '.For example, it is possible to by the output electricity controlling power supply Stream, to each or often string LED lamp bead 220 ' carry out the input regulation of different electric current, to reach to control LED The brightness of lamp bead 220 '.

In the embodiment shown in Figure 11, multiple LED lamp bead 220 ' are arranged on pcb board, such as Can be arranged by either permanently or detachably mode.Multiple LED lamp bead 220 ' are positioned at inside incidence surface, often One convex part is all to there being multiple LED lamp bead 220 '.By controlling the luminance ratio of LED lamp bead 220 ', Rising angle is controlled a certain predetermined angular between minimum angles and maximum angle.

Refer to Figure 12, the LED lamp bead 220 in another embodiment " corresponding to lens 300 " The schematic diagram of convex part.In the embodiment shown in Figure 11, this light fixture also includes controlling device (not shown), Control device be used for controlling LED lamp bead 220 " brightness.For example, it is possible to by the output electricity controlling power supply Stream, to each or every string LED lamp bead 220 " carry out the input regulation of different electric current, to reach to control LED lamp bead 220 " brightness.

In the embodiment shown in Figure 12, multiple LED lamp bead 220 " it is arranged on pcb board, such as Can be arranged by either permanently or detachably mode.Each convex part in a portion convex part is the most corresponding Have multiple LED lamp bead 220 ", remainder convex part is to there being LED lamp bead.That is, some convex part Inner side be vacancy, be not provided with LED lamp bead.

Now, can by control device control LED lamp bead 220 " brightness and/or LED lamp bead 220 " Position control rising angle.That is, can separately through control LED lamp bead 220 " luminance ratio control Make angular.Can also separately through change LED lamp bead 220 " position change rising angle.Also Can by control LED lamp bead 220 " luminance ratio and change LED lamp bead 220 " position be total to With changing rising angle.

Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, But can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for this area For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change Entering, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power Profit requires to be as the criterion.

Claims (10)

1. the lens that a rising angle is variable, it is characterised in that include incidence surface and exiting surface, described in go out Bright finish is arranged back on described incidence surface, and light is injected from described incidence surface, and penetrates from described exiting surface, Described exiting surface is formed with multiple spaced convex part to away from the direction of described incidence surface is prominent, described The cross section of convex part is that the span of arch and arch is identical, and the height of multiple described convex parts is different.
The lens that rising angle the most according to claim 1 is variable, it is characterised in that described convex part In annular, multiple described convex parts form donut spaced apart.
The lens that rising angle the most according to claim 2 is variable, it is characterised in that described convex part Height increase successively along donut direction from inside to outside.
The lens that rising angle the most according to claim 2 is variable, it is characterised in that described convex part Height be sequentially reduced along donut direction from inside to outside.
The lens that rising angle the most according to claim 1 is variable, it is characterised in that each convex part Height is crisscross arranged.
The lens that rising angle the most according to claim 1 is variable, it is characterised in that described incidence surface Along being formed fluted near the direction of described exiting surface depression, described groove is corresponding with described convex part.
The lens that rising angle the most according to claim 1 is variable, it is characterised in that its edge is the most prominent Going out and be formed with clinch, described clinch includes sloped sidewall and level overlap joint wall, and described sloped sidewall is by thoroughly The edge of mirror to the direction of described exiting surface tilt extend formed, described level overlap joint wall be parallel to described in go out light Face is arranged.
8. a light fixture, it is characterised in that including:
Heat dissipating housing, has a host cavity;
Light source assembly, is contained in described host cavity, and described light source assembly includes pcb board and LED lamp bead, The quantity of described LED lamp bead is multiple, and multiple described LED lamp bead are removable installed in described pcb board On;And
The lens that rising angle is variable as claimed in any of claims 1 to 7 in one of claims, described rising angle Variable lens cover is located on described heat dissipating housing, and multiple described LED lamp bead are positioned at inside described incidence surface, many Individual described LED lamp bead is all corresponding with wherein convex part described in, or multiple described LED lamp bead according to Predetermined ratio is corresponding with multiple described convex parts.
9. a light fixture, it is characterised in that including:
Heat dissipating housing, has a host cavity;
Light source assembly, is contained in described host cavity, and described light source assembly includes pcb board and LED lamp bead, The quantity of described LED lamp bead is multiple, and multiple described LED lamp bead are arranged on described pcb board;
Control device, for controlling the brightness of described LED lamp bead;And
The lens that rising angle is variable as claimed in any of claims 1 to 7 in one of claims, described rising angle Variable lens cover is located on described heat dissipating housing, and multiple described LED lamp bead are positioned at inside described incidence surface, often One convex part is all to there being multiple described LED lamp bead.
10. a light fixture, it is characterised in that including:
Heat dissipating housing, has a host cavity;
Light source assembly, is contained in described host cavity, and described light source assembly includes pcb board and LED lamp bead, The quantity of described LED lamp bead is multiple, and multiple described LED lamp bead are arranged on described pcb board;
Control device, for controlling the brightness of described LED lamp bead;And
The lens that rising angle is variable as claimed in any of claims 1 to 7 in one of claims, described rising angle Variable lens cover is located on described heat dissipating housing, and multiple described LED lamp bead are positioned at inside described incidence surface, its Each convex part in middle a part of convex part is all to there being multiple LED lamp bead, and remainder convex part is the most right Should there is LED lamp bead.
CN201610482490.2A 2016-06-27 2016-06-27 Lamp and lens with variable light extraction angle CN105953176A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610482490.2A CN105953176A (en) 2016-06-27 2016-06-27 Lamp and lens with variable light extraction angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610482490.2A CN105953176A (en) 2016-06-27 2016-06-27 Lamp and lens with variable light extraction angle

Publications (1)

Publication Number Publication Date
CN105953176A true CN105953176A (en) 2016-09-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700120651A1 (en) * 2017-10-24 2019-04-24 Clay Paky Spa Group source for a projector and projector, preferably from the stage, comprising said source group

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100277926A1 (en) * 2009-05-04 2010-11-04 Fong-Yuan Wen Light guiding diffuser
CN105180093A (en) * 2015-10-23 2015-12-23 欧普照明股份有限公司 Lens, light source module and lighting devices
CN105202394A (en) * 2015-10-23 2015-12-30 欧普照明股份有限公司 Lens combination and lighting device applying same
CN205037137U (en) * 2015-10-23 2016-02-17 欧普照明股份有限公司 Lens composition and applied lens composition's lighting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100277926A1 (en) * 2009-05-04 2010-11-04 Fong-Yuan Wen Light guiding diffuser
CN105180093A (en) * 2015-10-23 2015-12-23 欧普照明股份有限公司 Lens, light source module and lighting devices
CN105202394A (en) * 2015-10-23 2015-12-30 欧普照明股份有限公司 Lens combination and lighting device applying same
CN205037137U (en) * 2015-10-23 2016-02-17 欧普照明股份有限公司 Lens composition and applied lens composition's lighting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700120651A1 (en) * 2017-10-24 2019-04-24 Clay Paky Spa Group source for a projector and projector, preferably from the stage, comprising said source group

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