CN102378929A - Optics device for stage lighting - Google Patents
Optics device for stage lighting Download PDFInfo
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- CN102378929A CN102378929A CN2010800152254A CN201080015225A CN102378929A CN 102378929 A CN102378929 A CN 102378929A CN 2010800152254 A CN2010800152254 A CN 2010800152254A CN 201080015225 A CN201080015225 A CN 201080015225A CN 102378929 A CN102378929 A CN 102378929A
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
- G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0994—Fibers, light pipes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2113/00—Combination of light sources
- F21Y2113/10—Combination of light sources of different colours
- F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
An optics device for stage lighting is disclosed. In one embodiment of the optics device, an LED chip (30) provides a plurality of sources of light (G, R, B, W). An optical conductor (32), which may be a mixing tubular (32), is superposed on the LED chip (30) to mix the light received from the plurality of sources of light (G, R, B, W). After passing through the optical conductor (32), the mixed light enters a compound parabolic concentrator (34) which is coupled to the optical conductor (32). The compound parabolic concentrator (34) collimates the light received from the optical conductor (32) such that a homogeneous pupil (90) is emitted.
Description
Present invention relates in general to the establishment of artificial light or illumination; Especially; Relate to and can adopt individually or be arranged on light emitting diode (LED) the collimating optics module on the common base with array, and the luminaire that uses said light emitting diode collimating optics module.
Existing led chip encapsulation possibly each encapsulation all comprise a plurality of led chips and originally have simple relatively optical device on one's body in encapsulation, and it needs blend of colors, collimation or other the beam shaping of an auxiliary optics so that any needs to be provided.These existing led chips encapsulation must the balanced power requirements and are comprised the beam shaping requirement of collimation and blend of colors.For example; In stage illumination, lighting is used; During for example those stage illumination, lighting relevant with the making of drama, dancing, opera and other arts of acting are used, the required intensity of luminaire and require led chip to encapsulate apart from the distance of wanting the field of illumination and light beam or rink corner will to have huge power.Further, because the character of using, the light beam of good setting also needs.Brightness requirement satisfies through utilizing a large amount of LED, this make conversely with light be gathered into single evenly and the pupil of homogeneous difficulty more.Often, must sacrifice power or opposite for homogeneity.Still need solve the compromise solution between power on the one hand and collimation on the other hand and the blend of colors.
Disclose a kind of LED collimating optics module, used the luminaire and the optical device of this LED collimating optics module.The solution that this paper provides has alleviated power on the one hand and has traded off with on the other hand collimation and the tradition between the blend of colors.In an embodiment of this LED collimating optics module, led chip provides a plurality of light sources.The optical conductor that can be for example tubular light conduit or rod is stacked on the led chip light that is received from these light sources with mixing.Mixed light passes after this optical conductor, gets into the compound parabolic concentrator (CPC) with the optical conductor coupling.This CPC collimation is received from the light of this optical conductor, thereby launches the pupil of homogeneous basically.In an embodiment of said luminaire, a plurality of LED collimating optics modules are separately positioned in the substrate.Shell is suitable for holding substrate and LED optical module.This luminaire can be provided for the complete ligthing paraphernalia of various application.
Said optical device is at the optical conductor that one embodiment comprises in stage illumination, lighting field; It can be the photoconductive tube or the rod of for example tubulose; Be used for receiving light and propagating light to the output aperture through it at place, input aperture, the sectional area of this output aperture is substantially equal to import the sectional area in aperture.First wall partly connects input aperture and output aperture, uses reflecting material, limiting a plurality of transmission paths, thereby allows to mix from the input aperture of optical conductor to the light of output aperture.Can be that the main body of cone-shaped body increases sectional area, the output aperture of said input aperture crosscut optical conductor to the outgoing aperture from the input aperture.Second wall part that can be parabolic wall part connects input aperture and outgoing aperture, and diffuses to the bigger sectional area that belongs to the outgoing aperture from the sectional area of input aperture.Second wall part allows the collimation transmission of the light from the input aperture to the output aperture.
In order more completely to understand feature and advantage of the present invention, with accompanying drawing reference detailed description of the present invention, in the accompanying drawings, corresponding Reference numeral refers to corresponding part in difference figure now, and in the accompanying drawings:
Figure 1A be the instruction that provides according to this paper combination the skeleton view of an embodiment of luminaire of LED collimating optics module;
Figure 1B is the skeleton view of the luminaire described among Figure 1A, and its part is cut with reveal internal parts better;
Fig. 1 C is the skeleton view that shows the LED collimating optics module array of Figure 1A and Figure 1B in greater detail;
Fig. 1 D is the top plan view of the LED collimating optics module array shown in Fig. 1 C;
Fig. 2 is the top plan view of another embodiment of LED collimating optics module array;
Fig. 3 is the top plan view of another embodiment of LED collimating optics module array;
Fig. 4 A is the front elevation of an embodiment of LED collimating optics module;
Fig. 4 B is the cross-sectional view of the module of LED collimating optics shown in Fig. 4 A;
Fig. 4 C is the top plan view of the module of LED collimating optics shown in Fig. 4 A;
Fig. 4 D is the top plan view that the line 4D-4D along Fig. 4 A of led chip encapsulation watches;
Fig. 5 A is the cross-sectional view that single beam passes the LED collimating optics module shown in Fig. 4 A;
Fig. 5 B is the cross-sectional view that a plurality of light beams pass the LED collimating optics module shown in Fig. 4 A;
Fig. 6 is the cross-sectional view that a plurality of light beams pass another embodiment of LED collimating optics module;
Fig. 7 is the cross-sectional view that a plurality of light beams pass another embodiment of LED collimating optics module;
Fig. 8-the 10th, the top sectional view of the different embodiment of the optical conductor that the LED collimating optics module that supplies this paper to provide is used;
Figure 11-the 13rd, the top sectional view of the different embodiment of the main body that the LED collimating optics module that supplies this paper to provide is used;
Figure 14-the 15th, the top sectional view of the different embodiment of the optical conductor that the LED collimating optics module that supplies this paper to provide is used;
Figure 16-the 17th, the top sectional view of the different embodiment of the CPC that the LED collimating optics module that supplies this paper to provide is used;
Figure 18 is the curve map of intensity-vertical angle relation, the baseline intensity of the LED collimating optics module of its presentation graphs 5A-5B;
Figure 19 is the curve map of intensity-vertical angle relation, the optimization baseline intensity of its expression LED collimating optics module;
Figure 20 is the curve map of intensity-vertical angle relation, the baseline intensity of the circular spaced, stacked array of its expression LED collimating optics module;
Figure 21 is luminescence efficiency and the curve map of peak light flux and current density relation of the circular spaced, stacked array of LED collimating optics module;
Figure 22 be LED collimating optics module circular spaced, stacked array about u ', the amber tube core chromatic diagram of v ' planes of color; And
Figure 23 be LED collimating optics module circular spaced, stacked array about u ', the white tube core chromatic diagram of v ' planes of color.
Though the manufacturing and the use of different embodiments of the invention below at length have been discussed, it should be understood that to the invention provides many applicable inventive concepts that it can be implemented in particular context miscellaneous.The specific embodiment of this paper discussion has only been explained manufacturing and has been used ad hoc fashion of the present invention, do not delimit scope of the present invention.
Initial reference Figure 1A to Fig. 1 D, at this embodiment who has drawn the luminaire of the instruction that provides according to this paper, it is schematically illustrated and generally indicate with 10.Shell 12 is suitable for holding substrate 14 and LED collimating optics module, and these LED collimating optics modules systems are designated as 16 and be fixed in the shell 12.LED collimating optics module comprises independent LED collimating optics module 16-1,16-2,16-3,16-4,16-5,16-6 and 16-7.Also be installed to heating radiator sub-component 18 absorptions in substrate 14 and the inclosure shell 12 and disperse the heat that produces by light emitting diode collimating optics module 16.In one embodiment, there is correspondence one by one between the quantity of the quantity of heating radiator and light emitting diode collimating optics module 16.Further, in one embodiment, heating radiator sub-component 18 comprises almost quiet fan, and it is that the internal part that comprises light emitting diode collimating optics module 16 provides the force air cooling.
LED collimating optics module 16 is arranged in the tightly packed layout 28 of individual layer, and wherein LED collimating optics module 16-1 is arranged in the hexagon location to 16-6, contacts with the optical module 16-7 of centralized positioning.Each peripheral LED collimating optics module 16-1 is to the LED collimating optics module 16-7 of two adjacent peripheral LED collimating optics modules of 16-6 contact and set inside.For example, LED collimating optics module 16-1 contacts adjacent LED collimating optics module 16-2 and 16-6 and is positioned at inner collimating optics module 16-7.In one embodiment, LED collimating optics module 16-1 can have the diameter of 8 inches (8.32cm) to the array of 16-7.About LED collimating optics module 16-4, led chip encapsulation 30 provides light to arrive the optical conductor 32 that mixes this light.CPC 34 is coupled to optical conductor 32 is received from optical conductor 32 with collimation light.After the collimation, luminaire 10 is left in the light conduct pupil of homogeneous basically.The parts of luminaire 10 or the whole optical module that can be considered to be used for stage illumination, lighting and related application.
Fig. 2 and Fig. 3 have described other embodiment of LED collimating optics module 16.About Fig. 2, LED collimating optics module 16 is positioned the circular spaced, stacked of individual layer and arranges in 36.In this arranged, LED collimating optics module 16-1 was the center in the module (LED collimating optics module 16-7) that peripheral point is sentenced centralized positioning respectively to 16-6.In an implementation, the spacing between the LED collimating optics module 16 roughly is 0.19 inch (3mm).
About Fig. 3, LED collimating optics module 16-1 is arranged in linear individual layer to 16-3 and arranges 38, and wherein inner LED collimating optics module 16-2 is set to contact with each external LED collimating optics module 16-1,16-3.It should be understood that LED collimating optics module can be to be different from Figure 1A-1D, Fig. 2 and array setting shown in Figure 3.Can in array, utilize LED collimating optics module and this array of any number can get different forms, be included in the form that tight contact is provided between the LED collimating optics module and form at interval is provided between LED collimating optics module and or even the form of its combination is provided.In addition, LED collimating optics module 16 can be provided with angled mode, the mode of linearity or the mode of its combination.
Fig. 4 A-4D has described LED collimating optics module 16-4.Led chip encapsulation 30 provides light source, and is included in a plurality of color LED chip G, R, B, the W that is provided with array 42 on the basal component 44 of single elongation, and basal component 44 can comprise the device that is used for the combined leads (not shown).As shown in the figure, led chip G, R, B, W are oriented to provide angled emission pattern with respect to the expectation of optical conductor 32 and CPC 34 to increase blend of colors.Yet, should be appreciated that depend on application, led chip G, R, B, W can be with the array setting of other type.
The led chip G of array 42, R, B, W comprise green, redness, blueness and the White LED chip of the routine of transmitting green, redness, blueness and white light respectively.Such led chip is convenient to inject effectively optical conductor 32 and enhance color mixing consumingly.Like what described,, four led chips that comprise a red LED chips (R), a green chip (G), a blue led chip (B) and a White LED chip (W) have been utilized in order further to strengthen the white light quality that produces by the led chip encapsulation.Yet what it is contemplated that is, along with the progress of led chip design, the led chip of led chip and/or different colours that can in array, use different numbers is so that optimize the quality of the light of led chip encapsulation 30 generations.For example, in one embodiment, utilize four led chips that comprise a red LED chips (R), a green chip (G), a blue led chip (B) and an amber led chip (A).As a further example, in another embodiment, utilize comprise a red LED chips (R), two green chips (G1, G2) with a blue led chip (B) at four interior led chips.What can further imagine is that the two can use low-power and high-capacity LED chip in led chip encapsulation 30.
In an embodiment of the instruction that this paper provides, the basal component 44 of elongation can comprise the electrical isolation shell of for example being processed by plastics or pottery 46, and it seals its metal heat sink that is provided with silicon submount (submount).This metal heat sink provides heat radiation for the led chip encapsulation 30 that is provided with above that.By heating radiator sub-component 18 further heat radiation is provided, its almost quiet fan that comprises, this metal heat sink supply force air cooling of this fan next-door neighbour as being mentioned.The basal component 44 of elongation may further include lead-in wire, and these lead-in wires are through shell and metal heat sink and led chip G, R, B, W electrical isolation.Closing line is electrically connected to lead-in wire with led chip G, R, B, W.
It is π r that optical conductor 32 has sectional area at first end
1 2Input aperture 48, wherein radius is r
1, and to have second sectional area at second end be π r
2 2Output aperture 50, wherein radius is r
2 Optical conductor 32 is stacked in led chip encapsulation 30 and led chip G, R, B, W is last so that receive light at input 48 places, aperture from the source, and light is transported to output aperture 50.The first sectional area π r
1 2Can be substantially equal to the second sectional area π r
2 2Thereby input aperture 48 has the diameter that equates basically with output aperture 50, and r
1Can equal r
2The wall part 52 that can be cylindrical wall portion connects input aperture 48 and output aperture 50, and can comprise the surface of revolution that roughly forms cylinder.Wall part 52 comprises reflecting material 54, limits the transmission path of a plurality of permissions mixed light in from input aperture 48 to the inner space 56 of output aperture 50.In an implementation, wall part 52 can be to be used for the connection input aperture 48 of mixed light and the wall device of output aperture 50.The length l of optical conductor 32
1By confirming with the relevant design parameter of mixing of the light of light emitted.In addition, the length l of optical conductor 32
1Along the longitudinal axis measurement of optical conductor 32, this longitudinal axis is substantially perpendicular to the transverse axis of led chip encapsulation 30.
The wall part 66 connection input apertures 62 that can be the curved wall part are with outgoing aperture 64 and from sectional area π r
3 2Diffuse to sectional area π r
4 2Wall part 66 comprises reflecting material 68, allows from the input aperture the 62 collimation transmission to the light in outgoing aperture 64.Wall part 66 can be to connect input aperture 62 with outgoing aperture 64 and from sectional area π r
3 2Diffuse to sectional area π r
4 2Wall device.Wall part 66 can comprise parabolic wall part, and it comprises the surface of revolution that roughly forms conical by its shape.The length l of CPC 34
2Design parameter by relevant with the light mixability with the collimation of for example hoping is confirmed.In addition, the length l of CPC 34
2Along the longitudinal axis measurement of CPC 34, this longitudinal axis basically with the axis alignment of optical conductor 32, and perpendicular to the transverse axis of led chip encapsulation 30.Should be appreciated that, depend on application, length l
1And l
2Between relation can with described variant.
In one embodiment, CPC 34 is characterised in that the following fact: the light of locating access arrangement in its less aperture (input aperture 62) in bigger aperture (outgoing aperture 64) only reflect once from inside surface to curved wall part 66 before locating to leave CPC 34.In this implementation, CPC 34 is designed to the energy of collimation at the given luminous flux of input 62 places, aperture reception.
In this embodiment, condenser has the disclosed condenser of this paper that parabolic still other geometric configuration all is called CPC, has by prismatic, transparent, reflecting material 68 that low transmission loss dielectric substance is processed.Like what will discuss among Figure 11-13, within the embodiment that other geometric configuration also provides herein.Can comprise transparent polymkeric substance by its dielectric substance of making the reflecting material 68 of CPC 34 inside surfaces 70 with high index of refraction, for example but be not limited to acrylate copolymer or based on the polymkeric substance of polycarbonate.
Fig. 5 A has described single beam and has passed LED collimating optics module 16-4.The optical conductor 32 that can be optical mixing rod or photoconductive tube homogenizes the plain tube bank (bundle) that transmits therein through light source.The intensity barycenter of plain tube bank moves to output aperture 50 with vertical mode from input aperture 48.Reflecting surface along the reflecting material 54 of optical mixing rod setting comprises surface normal, these surface normals with respect to the light that passes move vertically or axial direction vertical or tilt.Reflecting material is the light beam feed path of advancing and therefore be mixed with each other, and for example path 80,82.(B W) has the direction of at least a portion orientation towards the inner space 56 of optical conductor 32 to led chip for G, R.
As shown in the figure, light beam 84,86 is from the led chip R emission of led chip encapsulation 40.The incident angle of light beam 84 makes light beam 84 not contact the inner space 56 of optical conductor 32.In other embodiment, because the position of optical conductor 32, all or nearly all light beam all contact inside surface 56.Yet, light beam 86 contact inner spaces 56 and subsequently before getting into CPC 34 from reflecting material 54 reflections of optical conductor 32 6 times, in CPC 34, light beam 86 through the individual reflection of the inside surface 70 of CPC 34 by collimation.As shown in the figure, the repeatedly reflection in the optical conductor 32 makes light beam 86 pass through the longitudinal axis z of optical conductor 32, therefore light is mixed producing contribution.
Fig. 5 B has described a plurality of light beams and has passed LED collimating optics module.Optical conductor 32 is stacked on the led chip 30 so that receive the light from the source of LEDG, R, B, W at input 48 places, aperture.LEDG-1, R, B, W are orientated to the inner space 56 towards optical conductor 32 at least in part.As shown in the figure, exist lateral excursion to provide the incident angle between LED and the reflecting material between LEDG, R, B, the W so that supply is reflected therefrom.Optical conductor 32 provides a plurality of paths 89 that passed by a plurality of light beams (general designation plain tube bank 88).A plurality of paths 89 mix the light beam that receives and the intensity barycenter that makes plain tube bank 88 moves to output aperture 50 with vertical mode from input aperture 48.The reflecting material of optical conductor is directed, will propagating into output aperture 50 from the light in input hole footpath 48, and 50 places in the output aperture, 62 places receive mixed light in the input aperture by CPC 34.Then, the 62 collimation transmission to the light in outgoing aperture 64 take place from the input aperture, so that individual reflection, collimation transmission within CPC 34 produce the pupil of homogeneous basically.Outgoing aperture 64 is left in the plain tube bank conduct pupil 90 of homogeneous basically.
Accompanying drawing 6 and 7 has been described other embodiment of LED collimating optics module.With reference to figure 6, LED collimating optics module 16-8 produces the pupil 92 of homogeneous basically, and it has the different profile (profile) of light that produces with Fig. 5.In Fig. 7, has circular arc polycarbonate photoconductive tube 94 and the LED collimating optics module 16-9 of the combination of about 80% reflectivity within the solid metal reflector of the hollow that is designated CPC 96 produces another pupil 98 of homogeneous basically.Should be appreciated that the structure of illustrated LED collimating optics module can change among the accompanying drawing 5A-7.For example, optical conductor and CPC can integrally form or combine to form integral unit.Such as confirming preferred constructing technology specific to characteristic and the factor the cost used.
Accompanying drawing 8-10 has described the different embodiment of the optical conductor 32 of confession LED collimating optics module 16 uses.In Fig. 8, optical conductor 32 comprises wall part 52.Yet, should be appreciated that optical conductor 32 is not limited to cylindrical wall portion.Optical conductor 32 also can comprise the non-cylindrical shape that produces different wall parts and corresponding inner space 56.For example, with reference to figure 9, optical conductor 32 comprises having faceted wall part, and it has 6 sides, is expressed as hexagon wall part 100.Further for example, in Figure 10, optical conductor 32 comprises the wall part with 8 sides, and it is expressed as octagon wall part 102.Optical conductor 32 can comprise that side or facet and it of any amount may further include circle or cylindrical wall portion.
Accompanying drawing 11-13 has described the different embodiment of the main body 60 of CPC 34.In an implementation, light emitting diode collimating optics module 16 is not limited to the cone with curved wall part 66 60 shown in figure 11.On the contrary, like Figure 12 and shown in Figure 13, light emission collimating optics module 16 can comprise side or the faceted main body with any amount, for example the main body 60 of the main body 60 of Figure 12 and Figure 13.In these embodiment, the wall part 104,106 that for example in accompanying drawing 12 and Figure 13, provides respectively, rather than curved wall part have been utilized to have side or faceted wall part.Main body 60 can comprise that any amount of side or facet and it may further include aforesaid curved wall part.
Accompanying drawing 14-15 has described the embodiment of the optical conductor 32 that confession LED collimating optics module 16 that this paper provides uses.As stated, optical conductor 32 can be taked different shape.Except having different shape, optical conductor 32 can for example be tubulose or the mixing tubulose (for example Fig. 8) with sidewall, rod (for example Figure 14), have tubulose (for example Figure 15) or its combination of main body therein.Especially, with reference to Figure 14, optical conductor 32 is the rods with the wall part 52 that comprises reflecting material 54.With reference to Figure 15, optical conductor 32 comprises the tubular element 32a and relevant wall part 52a, 54b and reflecting material 54a, 54b that wherein has main body 32b.
Accompanying drawing 16-17 has described the embodiment of the main body 60 of the CPC 34 that confession LED collimating optics module 16 that this paper provides uses.Be similar to optical conductor 32; The main body 60 of CPC 34 can have different shape; For example comprise main body 60 (for example Figure 11) with sidewall; Main body 60 (for example Figure 16) for solid component with wall part 66 and reflecting material 68 has side wall member 60a and the main body 60 that has wall part 66a, 66b and reflecting material 68a, 68b (for example Figure 17) that is arranged on solid component 60b wherein, or its combination.
Figure 18 has described the curve map of intensity-vertical angle relation, and its representative has the baseline intensity of the tightly packed layout of individual layer of hexagon location.The vertical angle expenditure of light incident here represent and intensity shown in line 110.Figure 19 has described the curve map of intensity-vertical angle relation, and it represents the baseline intensity of the hexagonal array of light emitting diode collimating optics module.Relation between line 120 expression intensity and the vertical angle.In this embodiment, optimize the baseline strength model and produced the narrowest possible angle distribution, need not sacrifice color homogeneity simultaneously.The angle of this model distributes and can further reduce through size or the increase photoconductive tube output plane that reduces the photoconductive tube input plane.At last, Figure 20 has described the curve map of intensity-vertical angle relation, the baseline intensity that on behalf of the circular spaced, stacked of individual layer of light emitting diode collimating optics module, it arrange.In the figure, line 130 shows the relation of intensity and vertical angle.Surpassed the luminous flux requirement of 10000 lumens through the design of curve map tabular form.The embodiment of hexagon+CPC (Figure 18) is 69% efficient; Has the better color homogeneity; And the CPC of circular arc+hollow (Figure 20) reverberator embodiment is 49% efficient, has two sections path, comprises the circular arc polycarbonate photoconductive tube of the metallization CPC reverberator with hollow.
Figure 21 illustrates as the relative luminous efficiency of function of current density and the curve map of peak light flux.Line 140 expressions of luminescence efficiency are as current density (A/mm
2) the unit of function be the luminous flux of lumens/watt (lm/W) and the ratio of radiation flux.In addition, line 150 expressions of peak light flux are as current density (A/mm
2) the unit of function be the luminous flux of lumen (lm).
Figure 22 described to have the light emitting diode collimating optics module that the circular spaced, stacked of individual layer of previous discussion arranges the circular arc array about u ', the amber tube core chromatic diagram of v ' colorimetry color space coordinate.The CIELUV color space CIE1976 (L that describes
*, u
*, V
*) be Adam Si Se valency (chromatic valence) color space, and be the upgrading of CIE1964 color space (CIEUVW).Its difference comprises a little the even color scale (for example, one of them coordinate v ' is 1.5 times of its 1960 editions v of predecessor) of the lightness scale revised and modification.The wavelength that shows is represented with nanometer (nm).
Convert and conversion below being suitable for:
L
*＝116(Y/Y
n)
1/3-16，Y/Y
n＞(6/29)
3
(29/3)
3(Y/Y
n)，Y/Y
n＜＝(6/29)
3
u
*＝13L
*(u’-u’
n)
v
*＝13L
*(v’-v’
n)
u’＝4X(X+15Y+3Z)＝4x/(-2x+12y+3)
v’＝9Y(X+15Y+3Z)＝9Y/(-2x+12Y+3)
About from (u ', v ') to (x, being transformed to y):
x＝9u’/(6u’-16v’+12)
y＝4v’/(6u’-16v’+12)
u’＝u
*/13L
*+u’
n
v’＝v
*/13L
*+v’
n
Y＝Y
nL
*(3/29)
3，L
*＜＝8
Y
n(L
*+16)/116)
3，L
*＞8
X＝Y(9u’/4v’)
Z＝Y((12-3u’-20v’)/4v’)。
On behalf of monochromatic light or spectrum colour or out of true ground, the track border 160 of rotation U-shaped say the rainbow color.The lower bound of track provides the line of purple, and represents the nonspectral colour that obtains through the light that mixes red and blue wavelength.Should be appreciated that in fact this border is undemanding, because color only becomes owing to the sensitivity of eyes receptor descends at the least significant end place of visible spectrum that darkness deepens.The color that track is placed outward is saturated, and color becomes and little by little reduces saturated and trend towards the white in the somewhere, middle part of curve.Yet the color of curve outside is outside colour gamut, and this chromatic diagram is not uniform on consciousness.That is, the area in any zone of curve maybe be not with consciousness in that zone on the quantity of distinguishable color relevant well.The LED source of not sharing the same light further, can have inherent different colour gamuts.
Figure 23 described to have the light emitting diode collimating optics module that the circular spaced, stacked of individual layer arranges the circular arc array about u ', the white tube core chromatic diagram of v ' colorimetry color space coordinate.Similar Figure 22, the wavelength of demonstration with nanometer represent (nm) and the rotation U-shaped track border 170 represent monochromatic light.As shown in the figure, the indistinguishable u ' of human eye is represented on the track border 160 of rotation U-shaped, and v ' departs from, and the average chrominance value is approximately 0.06.
Although described the present invention with reference to an illustrative embodiment, this description is not expected on the meaning of restriction and makes an explanation.With reference to instructions, the difference modification of these illustrative example and combination and other embodiments of the invention are well-known to those skilled in the art.Therefore, can be contemplated that accompanying claims comprises any such modification or embodiment.
Claims (15)
1. the optical device in a stage illumination, lighting field, this optical device comprises:
Optical conductor (32), it has first sectional area (π r
1 2) input aperture (48) and second sectional area (π r
2 2) output aperture (50), this optical conductor (32) be used for the input aperture (48) locate to receive light and through its propagates light to the output aperture (50), first sectional area (π r
1 2) be substantially equal to second sectional area (π r
2 2);
First wall part (52), it connects input aperture (48) and output aperture (50), and first wall part (52) has first reflecting material (54), limits a plurality of permissions and mixes from the transmission path of input aperture (48) light of (50) to the output aperture;
Main body (60), it is formed on has the 3rd sectional area (π r
3 2) input aperture (62) the first end place and be formed on and have the 4th sectional area (π r
4 2) the second end place in outgoing aperture (64), crosscut output aperture, input aperture (62) (50) and optical conductor (32), input aperture (62) are set to light is transported to outgoing aperture (64), the 3rd sectional area (π r
3 2) be substantially equal to second sectional area, the 4th sectional area (π r
4 2) greater than the 3rd sectional area (π r
3 2); With
Second wall part (66), it connects input aperture (62) and outgoing aperture (64) and from the 3rd sectional area (π r
3 2) diffuse to the 4th sectional area (π r
4 2), second wall part (66) has second reflecting material (68), and it allows from the input aperture (62) to transmit to the collimation of the light of outgoing aperture (64) according to second reflecting material (68) individual reflection.
2. optical device as claimed in claim 1, wherein the longitudinal axis (Z) of optical conductor (32) is aimed at the longitudinal axis (X) of main body (60).
3. optical device as claimed in claim 1, wherein first wall part (52) further comprises the surface of revolution that roughly forms cylinder.
4. optical device as claimed in claim 1, wherein second wall part (66) further comprises the surface of revolution that roughly forms conical by its shape.
5. optical device as claimed in claim 1, wherein optical conductor (32) and first wall part (52) constitutes photoconductive tube (94) in combination.
6. optical device as claimed in claim 1, wherein optical conductor (32) and first wall part (52) constitutes acrylic light pipe (94) in combination.
7. optical device as claimed in claim 1, wherein optical conductor (32) and first wall part (52) constitutes polycarbonate photoconductive tube (94) in combination.
8. optical device as claimed in claim 1, wherein main body (60) and second wall part (66) constitute compound parabolic concentrator (34) in combination.
9. optical device as claimed in claim 1, wherein second reflecting material (68) constitutes solid metal reflector.
10. the optical device in a stage illumination, lighting field, this optical device comprises:
Optical conductor (32), it is used for mixing and is received from a plurality of light sources (G, R, B, light W); With
Compound parabolic concentrator (34), it is coupled to optical conductor (32), and this compound parabolic concentrator (34) is used for the light that collimation is received from optical conductor (32).
11. optical device as claimed in claim 10; Wherein optical conductor (32) further comprises reflecting material (54); This reflecting material (54) propagates into output aperture (50) with light from input aperture (48), output aperture (50) and optical conductor (32) and compound parabolic concentrator (34) coupling.
12. optical device as claimed in claim 10, wherein light in the input aperture (62) locate to get into compound parabolic concentrator (34) and before outgoing aperture (64) are located to leave compound parabolic concentrator from the inside surface reflection of compound parabolic concentrator (34) once.
13. optical device as claimed in claim 10, wherein optical conductor (32) further comprises rod.
14. optical device as claimed in claim 10, wherein optical conductor (32) further comprises tubular form.
15. optical device as claimed in claim 10, wherein optical conductor (32) further includes faceted shape.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16522609P | 2009-03-31 | 2009-03-31 | |
| US61/165226 | 2009-03-31 | ||
| PCT/IB2010/051321 WO2010113091A1 (en) | 2009-03-31 | 2010-03-25 | Optics device for stage lighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102378929A true CN102378929A (en) | 2012-03-14 |
Family
ID=42355338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800152254A Pending CN102378929A (en) | 2009-03-31 | 2010-03-25 | Optics device for stage lighting |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2414874A1 (en) |
| JP (1) | JP2012522348A (en) |
| CN (1) | CN102378929A (en) |
| BR (1) | BRPI1007104A2 (en) |
| CA (1) | CA2757048A1 (en) |
| RU (1) | RU2011143852A (en) |
| WO (1) | WO2010113091A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154716A (en) * | 2014-11-26 | 2016-11-23 | 中强光电股份有限公司 | Illumination system and projection device |
| CN107667245A (en) * | 2015-05-29 | 2018-02-06 | 飞利浦照明控股有限公司 | The luminaire that light from some LED is combined |
| CN110553165A (en) * | 2013-09-17 | 2019-12-10 | 夸克星有限责任公司 | Light guide illumination device for direct-indirect illumination |
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| US8496354B2 (en) * | 2010-11-24 | 2013-07-30 | Robe Lighting S.R.O. | Beam control system for an LED luminaire |
| US9081125B2 (en) | 2011-08-08 | 2015-07-14 | Quarkstar Llc | Illumination devices including multiple light emitting elements |
| CN109065676A (en) | 2011-08-08 | 2018-12-21 | 夸克星有限责任公司 | Lighting device including a plurality of light-emitting elements |
| JP2013114965A (en) * | 2011-11-30 | 2013-06-10 | Stanley Electric Co Ltd | Led lighting device |
| CN104508361A (en) | 2012-06-03 | 2015-04-08 | 罗布照明有限公司 | Collimation and homogenization system for an led luminaire |
| US9746173B2 (en) | 2012-09-13 | 2017-08-29 | Quarkstar Llc | Illumination devices including enclosure panels with luminaire modules |
| CN104755832B (en) | 2012-09-13 | 2018-12-21 | 夸克星有限责任公司 | The lighting system directly or indirectly illuminated is provided |
| US9206956B2 (en) | 2013-02-08 | 2015-12-08 | Quarkstar Llc | Illumination device providing direct and indirect illumination |
| EP3270041B1 (en) | 2013-04-19 | 2019-07-10 | Quarkstar LLC | Illumination devices with adjustable optical elements |
| US9335462B2 (en) | 2013-07-18 | 2016-05-10 | Quarkstar Llc | Luminaire module with multiple light guide elements |
| DE202014103178U1 (en) * | 2014-07-10 | 2015-10-13 | BÄ*RO GmbH & Co. KG | Luminaire, in particular downlight and / or spotlight luminaire with a light source |
| KR102432725B1 (en) * | 2015-02-23 | 2022-08-17 | 코닌클리케 필립스 엔.브이. | White phosphor-converted LED with stable flow rate output versus temperature |
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- 2010-03-25 BR BRPI1007104A patent/BRPI1007104A2/en not_active IP Right Cessation
- 2010-03-25 CA CA2757048A patent/CA2757048A1/en not_active Abandoned
- 2010-03-25 EP EP10712995A patent/EP2414874A1/en active Pending
- 2010-03-25 CN CN2010800152254A patent/CN102378929A/en active Pending
- 2010-03-25 WO PCT/IB2010/051321 patent/WO2010113091A1/en active Application Filing
- 2010-03-25 RU RU2011143852/28A patent/RU2011143852A/en not_active Application Discontinuation
- 2010-03-25 JP JP2012502852A patent/JP2012522348A/en not_active Withdrawn
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| CN1922516A (en) * | 2004-02-24 | 2007-02-28 | 伊斯曼柯达公司 | Brightness enhancement film using light concentrator array and light guiding plate, illumination system, and display apparatus using the same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CA2757048A1 (en) | 2010-10-07 |
| WO2010113091A1 (en) | 2010-10-07 |
| RU2011143852A (en) | 2013-05-10 |
| BRPI1007104A2 (en) | 2019-09-24 |
| JP2012522348A (en) | 2012-09-20 |
| EP2414874A1 (en) | 2012-02-08 |
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Application publication date: 20120314 |