EP3433535A1 - System and method for controlling light output in a led luminaire - Google Patents
System and method for controlling light output in a led luminaireInfo
- Publication number
- EP3433535A1 EP3433535A1 EP17730963.0A EP17730963A EP3433535A1 EP 3433535 A1 EP3433535 A1 EP 3433535A1 EP 17730963 A EP17730963 A EP 17730963A EP 3433535 A1 EP3433535 A1 EP 3433535A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- modules
- led
- luminaire
- integrator
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/007—Lighting devices or systems producing a varying lighting effect using rotating transparent or colored disks, e.g. gobo wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/008—Combination of two or more successive refractors along an optical axis
-
- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/14—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
- F21Y2105/16—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
-
- 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]
Definitions
- the present invention generally relates to a method for controlling the beam angle of individual lighting devices in luminaires, specifically to a method relating to providing the coordinated control of the beam spread of LED modules in a wash light.
- Luminaires with automated and remotely controllable functionality are well known in the entertainment and architectural lighting markets. Such products are commonly used in theatres, television studios, concerts, theme parks, night clubs and other venues. A typical product will provide control over the functions of the luminaire allowing the operator to control the intensity and color of the light beam from the luminaire that is shining on the stage or in the studio. Many products also provide control over other parameters such as the position, focus, beam size, beam shape and beam pattern. In such products that contain light emitting diodes (LEDs) to produce the light output it is common to use more than one color of LEDs and to be able to adjust the intensity of each color separately such that the output, which comprises the combined mixed output of all LEDs, can be adjusted in color. For example, such a product may use red, green, blue, and white LEDs with separate intensity controls for each of the four types of LED. This allows the user to mix almost limitless combinations and to produce nearly any color they desire.
- LEDs light emitting diodes
- FIG. 1 illustrates a typical multiparameter automated luminaire system 10.
- These systems typically include a plurality of multiparameter automated luminaires 12 which typically each contain on-board a light source (not shown), light modulation devices, electric motors coupled to mechanical drives systems and control electronics (not shown).
- a light source not shown
- light modulation devices typically include on-board a light source (not shown), light modulation devices, electric motors coupled to mechanical drives systems and control electronics (not shown).
- each luminaire is connected is series or in parallel to data link 14 to one or more control desks 15.
- the luminaire system 10 is typically controlled by an operator through the control desk 15.
- a known arrangement for luminaires used in the entertainment or architectural market is that of a wash light or cyclorama light.
- Such luminaires may be constructed as automated luminaires where the operator has remote control of the output angle of the emitted light. It is well known to design the optical systems of such automated luminaires such that the output angle of the emitted light beam can be adjusted over a range of values, from a very narrow beam to a wide beam. This beam angle size, or zoom, range allows the lighting designer full control over the size of a projected image, pattern or wash area.
- the Robe Lighting CitySkape 48 is an example of such a luminaire with an array of 48 LEDs arranged as 12 light modules each containing a red, green, blue, and white LED. It is possible with such an LED luminaire to change the beam angle of every light module together using a single mechanism.
- the Robe Lighting Robin 600 LED Wash contains 37 LED light modules which may be simultaneously altered in beam angle from 15° to 60°.
- none of the prior art examples allow coordinated and separate control of the output angles of the individual light modules. Such ability would be advantageous, as it would allow the combined light beam formed from the mixing of the light output from the LED modules to be shaped and controlled.
- FIGURE 1 illustrates a multiparameter automated luminaire lighting system
- FIGURE 2 illustrates an embodiment of a luminaire with a square array of a plurality of light emitting modules
- FIGURE 3 illustrates the modular beam angle control system of the light
- FIGURE 4 illustrates a side crosssectional view an embodiment of the beam angle control system of the light emitting modules in Figure 3;
- FIGURE 5 illustrates schematically an embodiment of a beam angle control lens system
- FIGURE 6 illustrates additional components of an embodiment of the beam
- angle control optical system configured for one beam angle
- FIGURE 7 illustrates the embodiment of the beam angle control optical system components of Figure 6 configured for a different beam
- FIGURE 8 illustrates an embodiment of a sub-modular effects system that may be fitted to an embodiment of the invention
- FIGURE 9 illustrates an embodiment of single row light
- FIGURE 10 illustrates a further embodiment of the additional components of the beam angle control optical system of Figure 6.; illustrates the embodiment of the beam angle control optical system components of Figure 10 configured to create a different beam angle.
- FIGURES Preferred embodiments of the present invention are illustrated in the FIGURES, like numerals being used to refer to like and corresponding parts of the various drawings.
- the present invention generally relates to a method for controlling the movement of LED devices in luminaires, specifically to a method relating to allowing both synchronized and independent movement of LED light modules in a light curtain or other LED luminaires.
- FIG. 2 illustrates an embodiment of a luminaire with modular beam angle control system 100.
- Luminaire 100 is fitted with a linear array of a plurality of light- emitting modules or assemblies 22, 24, 26, 28 and 30.
- 25 light-emitting sub-modules 20 are grouped and mounted within the modules or assemblies 22, 24, 26, 28 and 30 (five sub-modules per module thus forming a square array.
- the luminaire head 110 that serves as a common carrier to carry the modules 22, 24, 26, 28 and 30 in a side-by-side linear arrangement so that the 25 sub-modules (5 sub- modules per module) thus forming a square arrangement to form a wash luminaire 100.
- Each light-emitting sub-module 20 emits collimated and controlled light.
- Each of these light beams may be individually adjusted for color, by adjusting the output mix of its LED emitters.
- the luminaire head 110 may be articulated as is well known in the prior art to be capable of a global tilting and panning motion through motors and motor drivers which are controlled by an operator through the communications link.
- the luminaire head 110 may be articulated via gimbal mechanism with a base 122 that can rotate the arms 124 about one axis and arms 124 which can rotate the head 110 about another axis.
- Other mechanisms for redirecting the light emitted by the head 110 are also contemplated and with the scope.
- FIGs 3 illustrates the beam angle control system of the light emitting modules in an embodiment illustrated in Figure 2.
- Each of the optical modules 22, 24, 26, 28, and 30 mounted in housing 34 is capable of being independently moved in the direction shown by arrow 32.
- Each optical module 22, 24, 26, 28, and 30 contain lenses or other optical devices designed to alter the beam of the associated LED light-emitting module.
- the LED light emitting-module is normally fixed to and stationary with respect to the luminaire housing 34 while the optical module move towards and away from the light-emitting sub module(s).
- Figure 4 illustrates schematically a side view of and embodiment of the beam angle control system of the light emitting modules in the luminaire head 110 (not shown in Figure 4).
- Optical module angle control system 222 is actuated by motor 223 that is capable of moving optical module angle control system 222 into and out of luminaire housing 34.
- motor 225 actuates optical module angle control system 224
- motor 227 operates optical module angle control system 226,
- motor 229 actuates optical module angle control system 228, and
- motor 231 actuates optical module angle control system 30.
- Motors 223, 225, 227, 229, and 231 may be stepper motors, servomotors, linear actuators, solenoids, DC motors, or other mechanisms as well known in the art.
- the motors work by driving a worm gear.
- motor 223 drives worm gear 221.
- Other mechanisms for actuating the desired movement are also contemplated.
- only a single motor and worm gear pair actuator is shown here for each optical module angle control system, in practice an optical module carrier covering a row or plurality of light-emitting modules may utilize more than one actuator operating in coordination to actuate the optical module angle control.
- FIG. 5 illustrates schematically the lens system of the light emitting modules in an embodiment of the invention.
- Optical module angle control system 222 may contain a number of optical assemblies, one for each associated light-emitting sub- module.
- each optical assembly comprises a first lens 36 and a second lens 38.
- First lens 36 and second lens 38 are attached to the angle control system 222 and move with it in a fixed relationship to each other.
- the invention is however not so limited, and further embodiments may contain different numbers and types of lenses or other optical systems as well known in the art. In particular, further embodiments may utilize systems where the relationship of first lens 36 and second lens 38 is not fixed, and can alter.
- Lenses 36 and 38 may be meniscus lenses, piano convex lenses, bi-convex lenses, holographic lenses, or other lenses as well known in the art.
- Lenses 36 and 38 may be manufactured from glass, acrylic, polycarbonate, or any other material known to be used for optical lenses.
- Lenses 36 and 38 may be single elements or may each be lenses comprising a plurality of elements. Such elements may be cemented together or air spaced as is well known in the art.
- Lenses 36 and 38 may be constructed so as to form an achromatic combination. Such a configuration may be desirable such that the differing wavelengths of light from the associated LED light emitting module do not diverge or converge from each other and remain mixed. The design of such achromatic lenses or lens assemblies is well known in the art.
- a light-emitting module of the system comprises an LED 42, which may include a primary optic, mounted on substrate 43.
- LED 42 may contain a single color die or may contain multiple dies, each of which may be of common or differing colors.
- the light output from the dies in LED 42 enters light integrator optic 44 contained within protective sleeve 40.
- Light integrator 44 may be a device utilizing internal reflection so as to collect, homogenize and constrain and conduct the light to exit port 46.
- Light integrator 44 may be a hollow tube with a reflective inner surface such that light impinging into the entry port may be reflected multiple times along the tube before leaving at the exit port 46.
- Light integrator 44 may be a square tube, a hexagonal tube, a heptagonal tube, an octagonal tube, a circular tube, or a tube of any other cross section.
- light integrator 44 may be a solid rod constructed of glass, transparent plastic or other optically transparent material where the reflection of the incident light beam within the rod is due to total internal reflection (TIR) from the interface between the material of the rod and the surrounding air.
- the integrating rod may a square rod, a hexagonal rod, a heptagonal rod, an octagonal rod, a circular rod, or a rod of any other cross section.
- each LED emitter 42 may comprise a single LED die of a single color or a group of LED dies of the common or differing colors.
- LED emitter 42 may comprise one each of a Red, Green, Blue and White LED die.
- LED emitter 42 may comprise a single LED chip or package while in yet further embodiments LED emitter 42 may comprise multiple LED chips or packages either under a single primary optic or each package with its own primary optic. In some embodiments these LED die(s) may be paired with optical lens element(s) as part of the LED light-emitting module. In a further embodiment LED emitter 42 may comprise more than four colors of LEDs. For example seven colors may be used, one each of a Red, Green, Blue, White, Amber, Cyan, and Deep Blue/UV LED die.
- Integrator 44 may advantageously have an aspect ratio where its length is much greater than its diameter. The greater the ratio between length and diameter, the better the resultant mixing and homogenization will be. Integrator 44 may be enclosed in a tube or sleeve 40 that provides mechanical protection against damage, scratches, and dust.
- the light integrator 44 may have entry ports and exit ports that differ in shape.
- Further light integrator 44 may have sides which are tapered so that the entrance aperture is smaller than the exit aperture.
- the advantage of such a structure is that the divergence angle of light exiting the integrator 44 at exit port 46 will be smaller than the divergence angle for light entering the integrator 44.
- the combination of a smaller divergence angle from a larger aperture serves to conserve the etendue of the system.
- a tapered integrator 44 may provide similar functionality to a condensing optical system.
- Light exiting integrator 44 is directed towards and through first lens 36 and second lens 38 that serve to further control the angle of the emitted light beam.
- First lens 36 and second lens 38 may be moved as a pair towards and away from light integrator 44 as described above in the direction along the optical axis of the system as shown by arrow 32.
- first lens 36 and second lens 38 are at their furthest separation from the light-emitting module and the exit 46 of integrator 44 the emitted light beam will have a narrow beam angle.
- first lens 36 and second lens 38 are at their closest distance to the light-emitting module and the exit 46 of integrator 44 the emitted light beam will have a wide beam angle.
- Intermediate positions of the lenses 36 and 38 with respect to exit 46 of integrator 44 will provide intermediate beam angles. In one embodiment, the range of beam angles from the system may be adjusted from 4° to 50°.
- each row of optical modules 22, 24, 26, 28, and 30 may be individually and separately adjusted for beam angle.
- row 30 may be in a wide-angle position, row 28 in a slightly narrower position, row 26 narrower again, while rows 24 and 22 are in the narrowest angle position.
- Such a configuration may be useful for lighting a cyclorama or backing where row 30, with its wide angle, is lighting areas of the backing that are close to the luminaire, while row 22, with its narrow angle, is lighting areas of the backing that are distant from the luminaire.
- Such an arrangement will thus provide even and adjustable lighting of the backing.
- the operator may be provided with individual control of the light output from the LEDs in each of the light emitting modules 20.
- Figure 8 illustrates an effects system that may be fitted to an embodiment.
- This figure shows two adjacent light emitting sub-modules arranged in a row in module 22.
- the first light emitting sub-module comprises, as previously described, LED 42d, light integrator 44d with exit 46d contained within tube 40d. Associated with this light emitting sub-module are lenses 36d and 38d.
- the second light-emitting sub-module has the same components as the first, LED 42e, light integrator 44e with exit 46e contained within tube 40e. Associated with this second light-emitting sub-module are lenses 36e and 38e.
- the second light-emitting sub-module additionally has a lighting effects system.
- This lighting effects system comprises optical effect 62 that is rotatably mounted in effects carrier arm 60 such that it can rotate as shown by arrow 64.
- This rotation 64 is effected through motor 50 and pulley system 58.
- the effect carrier arm may be swung into and out of position through motor 52, pulley 54, and belt 56.
- optical effect 62 may either be positioned across light exit aperture 46e or moved away from light exit aperture 46e and out of the light beam so that it has no effect.
- lenses 36e and 38e may be moved in direction 32 as before to alter the beam angle of the light beam, now further modified by effect 62.
- Motors 50, and 52 may be stepper motors, servomotors, linear actuators, solenoids, DC motors, or other mechanisms as well known in the art.
- Effect 62 may be a prism, effects glass, gobo, gobo wheel, color, frost, iris or any other optical effect as well known in the art. Effect 62 may comprise a gobo wheel, all or any of which may be individually or cooperatively controlled. In further embodiments the gobo wheel may not be a complete circle, but may be a portion of a disc, or a flag so as to save space and provide a more limited number of gobo options.
- the gobo patterns may be of any shape and may include colored images or
- individual gobo patterns may be further rotated about their axes by supplementary motors in order to provide a moving rotating image.
- Such rotating gobo wheels are well known in the art.
- Figure 9 illustrates a light module with single row of light sub-modules in an embodiment.
- a row of five light-emitting sub-modules 45a, 45b, 45c, 45d, and 45e is shown.
- Three of the light emitting sub-modules, 45a, 45c, and 45e are fitted with effects 62a, 62c, and 62e.
- Two of the light-emitting sub-modules 45b, and 45d have no effects.
- any number or combination of light-emitting sub- modules may be fitted with effects systems, and those effects systems may be of the same or differing type.
- some light-emitting sub-modules may be fitted with prism effects while other are fitted with gobo effects.
- some rows of light sub- modules may be fitted with effects while other rows are not.
- each of the effects systems 62a, 62c, and 62e may be individually and separately controlled such that only selected light-emitting sub-modules are using an effect as desired by the operator.
- FIG. 10 and 11 illustrate the operation of the optical system in an embodiment when fitted with effect 62.
- a light-emitting sub-module of the system comprises an LED 42, which may include a primary optic, is mounted on substrate 43.
- LED 42 may contain a single color die or may contain multiple dies, each of which may be of differing colors.
- the light output from the dies in LED 42 enters light integrator optic 44 contained within protective sleeve 40.
- Light integrator 44 may be a device utilizing internal reflection so as to collect, homogenize and constrain and conduct the light to exit port 46.
- Light integrator 44 may be a hollow tube with a reflective inner surface such that light impinging into the entry port may be reflected multiple times along the tube before leaving at the exit port 46.
- Light integrator 44 may be a square tube, a hexagonal tube, a heptagonal tube, an octagonal tube, a circular tube, or a tube of any other cross section.
- light integrator 44 may be a solid rod constructed of glass, transparent plastic or other optically transparent material where the reflection of the incident light beam within the rod is due to total internal reflection (TIR) from the interface between the material of the rod and the surrounding air.
- the integrating rod may a square rod, a hexagonal rod, a heptagonal rod, an octagonal rod, a circular rod, or a rod of any other cross section.
- each LED emitter 42 may comprise a single LED die of a single color or a group of LED dies of the same or differing colors.
- LED emitter 42 may comprise one each of a Red, Green, Blue and White LED die or one each of a Red, Green, Blue and Amber LED die.
- LED emitter 42 may comprise a single LED chip or package while in yet further embodiments LED emitter 42 may comprise multiple LED chips or packages either under a single primary optic or each package with its own primary optic.
- LED die(s) may be paired with optical lens element(s) as part of the LED light-emitting sub-module.
- LED emitter 42 may comprise more than four colors of LEDs. For example seven colors may be used, one each of a Red, Green, Blue, White, Amber, Cyan, and Deep Blue/UV LED die.
- Integrator 44 may advantageously have an aspect ratio where its length is much greater than its diameter. The greater the ratio between length and diameter, the better the resultant mixing and homogenization will be. Integrator 44 may be enclosed in a tube or sleeve 40 that provides mechanical protection against damage, scratches, and dust.
- the light integrator 44 may have entry ports and exit ports that differ in shape.
- Further light integrator 44 may have sides which are tapered so that the entrance aperture is smaller than the exit aperture.
- the advantage of such a structure is that the divergence angle of light exiting the integrator 44 at exit port 46 will be smaller than the divergence angle for light entering the integrator 44.
- the combination of a smaller divergence angle from a larger aperture serves to conserve the etendue of the system.
- a tapered integrator 44 may provide similar functionality to a condensing optical system.
- Light exiting integrator 44 is directed towards and through effect 62 and then through first lens 36 and second lens 38 that serve to further control the angle of the emitted light beam.
- First lens 36 and second lens 38 may be moved as a pair towards and away from light integrator 44 as described above in the direction along the optical axis of the system as shown by arrow 32. In the position shown in Figure 6 where first lens 36 and second lens 38 are at their furthest separation from the light-emitting sub-module and the exit 46 of integrator 44 the emitted light beam will have a narrow beam angle.
- the emitted light beam will have a wide beam angle.
- Intermediate positions of the lenses 36 and 38 with respect to exit 46 of integrator 44 will provide intermediate beam angles.
- the range of beam angles from the system may be adjusted from 4° to 50°.
- Lenses 36 and 38 may be manufactured from glass, acrylic, polycarbonate, or any other material known to be used for optical lenses. Lenses 36 and 38 may be single elements or may each be lenses comprising a plurality of elements. Such elements may be cemented together or air spaced as is well known in the art. Lenses 36 and 38 may be constructed so as to form an achromatic combination. Such a configuration may be desirable such that the differing wavelengths of light from the associated LED light emitting module do not diverge or converge from each other and remain mixed. The design of such achromatic lenses or lens assemblies is well known in the art. [0043] The introduction of effect 62 may limit how close first lens 36 and second lens 38 may move towards integrator 44. This, in turn, may limit the maximum output angle of the optical system when effect 62 is being utilized.
- each of the rows of light-emitting sub-modules may be capable of independent beam angle control.
- the light-emitting modules and sub-modules may be arranged in any shape or layout. Embodiments such as linear, round, rectangular and square arrangements may be commonly used, but any arrangement shape may be used.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/078,739 US20170074489A1 (en) | 2015-03-16 | 2016-03-23 | System and method for controlling light output in a led luminaire |
PCT/US2017/023865 WO2017165680A1 (en) | 2016-03-23 | 2017-03-23 | System and method for controlling light output in a led luminaire |
Publications (2)
Publication Number | Publication Date |
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EP3433535A1 true EP3433535A1 (en) | 2019-01-30 |
EP3433535B1 EP3433535B1 (en) | 2019-12-04 |
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ID=59071053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP17730963.0A Active EP3433535B1 (en) | 2016-03-23 | 2017-03-23 | System and method for controlling light output in a led luminaire |
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EP (1) | EP3433535B1 (en) |
WO (1) | WO2017165680A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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TR201722480A1 (en) * | 2017-12-28 | 2019-07-22 | Mylaser Mekanik Elektronik Optik Ve Medikal Sistemleri Ltd Sirketi | DUAL LENS ADJUSTABLE LIGHTING AREA LED COLLIMATION SYSTEM |
CN108506749B (en) * | 2018-05-04 | 2019-09-17 | 广州市浩洋电子股份有限公司 | A kind of optical system and the illuminator using this optical system |
EP4080112A1 (en) | 2021-04-22 | 2022-10-26 | Harman Professional Denmark ApS | Illumination device with light source emulation effect |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US7614766B2 (en) * | 2006-06-29 | 2009-11-10 | Harvatek Corporation | Modular illumination device with adjustable lighting angles |
US7600891B2 (en) * | 2006-09-07 | 2009-10-13 | Belliveau Richard S | Theatre light apparatus incorporating LED tracking system |
US8061868B2 (en) * | 2008-06-01 | 2011-11-22 | Jack Dubord | Adjustable LED lighting system, kit and method of using same |
EP2550479B1 (en) * | 2010-03-22 | 2015-09-23 | Robe Lighting, Inc | Lens system for an led luminaire |
WO2012004760A1 (en) * | 2010-07-09 | 2012-01-12 | Koninklijke Philips Electronics N.V. | Optical zoom assembly for a non-imaging illumination application and luminaire using same |
FR2981432A1 (en) * | 2011-10-14 | 2013-04-19 | Ayrton | Lighting device for e.g. musical entertainment, has linear projector adapted to rotate with respect to frame around axis, and control unit for regulating luminosity of light source and position of projector with respect to frame |
CN110345414A (en) * | 2011-10-23 | 2019-10-18 | 哈曼专业丹麦公司 | Lighting device |
CN102937258B (en) * | 2012-11-21 | 2015-05-20 | 佛山市毅丰电器实业有限公司 | Variable-zooming lamp |
ITMI20131385A1 (en) * | 2013-08-12 | 2015-02-13 | Clay Paky Spa | SPOTLIGHT HEADLAMP, IN PARTICULAR SPOTLIGHT WITH MULTISORGENT STAGE |
-
2017
- 2017-03-23 WO PCT/US2017/023865 patent/WO2017165680A1/en active Application Filing
- 2017-03-23 EP EP17730963.0A patent/EP3433535B1/en active Active
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WO2017165680A1 (en) | 2017-09-28 |
EP3433535B1 (en) | 2019-12-04 |
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WO2017165685A1 (en) | Optical system for an led luminaire |
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