EP2851610B1 - Luminaire semi-conducteur avec distribution de faisceau de lumière réglable électroniquement - Google Patents

Luminaire semi-conducteur avec distribution de faisceau de lumière réglable électroniquement Download PDF

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Publication number
EP2851610B1
EP2851610B1 EP14184410.0A EP14184410A EP2851610B1 EP 2851610 B1 EP2851610 B1 EP 2851610B1 EP 14184410 A EP14184410 A EP 14184410A EP 2851610 B1 EP2851610 B1 EP 2851610B1
Authority
EP
European Patent Office
Prior art keywords
solid
luminaire
light
housing
aperture
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.)
Not-in-force
Application number
EP14184410.0A
Other languages
German (de)
English (en)
Other versions
EP2851610A1 (fr
Inventor
Michael A. Quilici
Seung Cheol Ryu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram Sylvania Inc
Original Assignee
Osram Sylvania Inc
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
Priority claimed from US14/032,821 external-priority patent/US9587805B2/en
Application filed by Osram Sylvania Inc filed Critical Osram Sylvania Inc
Publication of EP2851610A1 publication Critical patent/EP2851610A1/fr
Application granted granted Critical
Publication of EP2851610B1 publication Critical patent/EP2851610B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21S8/02Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00Electric lighting devices with self-contained electric batteries or cells
    • 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
    • F21S8/04Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/046Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures having multiple lighting devices, e.g. connected to a common ceiling base
    • 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
    • F21S8/04Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • 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
    • F21V14/00Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/06Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
    • 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
    • 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
    • F21V23/04Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0435Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means
    • 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
    • F21V23/04Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/045Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor receiving a signal from a remote controller
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20Controlling the colour of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/175Controlling the light source by remote control
    • H05B47/19Controlling the light source by remote control via wireless transmission
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00Lighting devices intended to be free-standing
    • 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
    • F21V23/04Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0471Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
    • F21V23/0478Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person by means of an image recording device, e.g. a camera
    • 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
    • F21V23/04Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0485Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the physical interaction between a user and certain areas located on the lighting device, e.g. a touch sensor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40Lighting for industrial, commercial, recreational or military use
    • F21W2131/406Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2101/00Point-like light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2107/00Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/10Light sources with three-dimensionally disposed light-generating elements on concave supports or substrates, e.g. on the inner side of bowl-shaped supports
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Definitions

  • the present disclosure relates to solid-state lighting (SSL) fixtures and more particularly to light-emitting diode (LED)-based luminaires.
  • SSL solid-state lighting
  • LED light-emitting diode
  • Traditional adjustable lighting fixtures such as those utilized in theatrical lighting, employ mechanically adjustable lenses, track heads, gimbal mounts, and other mechanical parts to adjust the angle and direction of the light output thereof. Mechanical adjustment of these components is normally provided by actuators, motors, or manual adjustment by a lighting technician.
  • WO2007/125520A1 discloses a lighting fixture comprising a hollow space which is provided with two or more groups of light sources arranged statically inside the hollow space in an essentially dome shaped configuration. The light sources emit their light through an opening in the lighting fixture. The two or more groups of light sources are activated by one or more control modules.
  • US2002/0181231A1 discloses a diode lighting system comprising a frame being configured as a hollow volume with an aperture, e.g. such as a cone, for supporting a plurality of light emitting diodes, attached to the inner wall of the frame. Each light emitting diode is thereby directed to emit its light beam through the aperture to a prescribed common focal point outside the frame.
  • an aperture e.g. such as a cone
  • US2011/0235350A1 discloses an overhead reading lamp for a passenger seat.
  • the reading lamp comprises a holding device having a concave portion, which faces the passenger seat.
  • a plurality of light sources are arranged adjacent to each other in a first row.
  • the light sources are emitting their light along a respective centre line, whereby the light sources are respectively aligned such their centre lines lie in a first plane and are inclined relative to each other, whereby all the centre lines intersect at a common point.
  • a luminaire comprises a housing having a curved interior surface and an aperture; and a plurality of solid-state lamps arranged on the curved interior surface of the housing so as to provide a lamp distribution area, wherein each of the plurality of solid-state lamps is configured to emit light through the aperture, and the aperture is smaller in size than the distribution area of the plurality of solid-state lamps on the curved interior surface.
  • the luminaire further comprises a controller communicatively coupled with at least one of the plurality of solid-state lamps or communicatively coupled with the plurality of solid-state lamps and configured to output one or more control signals to electronically control light emitted thereby; wherein at least one of the plurality of solid-state lamps includes one or more light emitting diodes populated on a printed circuit board and an electro-optic tunable lens optically coupled with the one or more light-emitting diodes.
  • Various embodiments of the luminaire may include additional features as provided by the dependent claims 2 to 12.
  • a lighting system comprises a drop ceiling tile having an aperture formed therein and a luminaire according to any one of the claims 1 to 12, disposed over the drop ceiling tile.
  • Various embodiments of the lighting system may include additional features as provided by the dependent claims 14 and 15.
  • the disclosed luminaire includes a plurality of solid-state lamps mounted on one or more surfaces of a housing.
  • the lamps can be electronically controlled individually and/or in conjunction with one another, for example, to provide highly adjustable light emissions from the luminaire.
  • a given solid-state lamp may include tunable electro-optic componentry to provide it with its own electronically adjustable light beam.
  • light emitted by the plurality of solid-state lamps may exhibit a one-to-one mapping of the solid-state lamps to beam spots produced thereby, allowing for pixelated control (discussed herein) over light distribution of the luminaire.
  • one or more heat sinks optionally may be mounted on the housing to assist with heat dissipation for the solid-state lamps.
  • the luminaire can be configured to be mounted on a surface, such as a drop ceiling tile or wall, among others, or can be a free-standing lighting device, such as a desk lamp or torchière lamp, in accordance with some embodiments.
  • the aperture through which the lamps provide illumination is smaller than the distribution area of the solid-state lamps of the luminaire. Numerous configurations and variations will be apparent in light of this disclosure.
  • a luminaire having an electronically adjustable light beam distribution includes a plurality of solid-state lamps arranged on one or more interior surfaces of a housing.
  • each lamp of the luminaire may include one or more light-emitting diodes (LEDs) and tunable electro-optic componentry configured to provide that lamp with its own electronically adjustable light beam.
  • the disclosed luminaire may be configured to direct its emissions through additional optical componentry (e.g., such as a Fresnel lens or other fixed optics disposed in an aperture, for example, to modify the beam distributions), as discussed below.
  • One or more optional heat sinks may be mounted, for example, on the housing and coupled with the solid-state lamps to assist with thermal management of the LEDs.
  • an optional support plate also may be coupled with the housing and may contribute further to thermal management.
  • the aperture through which the lamp beams are provided is smaller than the field of lamps distributed across the housing (e.g., smaller than the lamp distribution area). As will be appreciated in light of this disclosure, such a design allows for great flexibility with respect to lighting direction and distribution in a relatively compact lighting fixture.
  • the disclosed luminaire can be communicatively coupled with a controller which can be used to electronically control the output of the LEDs individually and/or in conjunction with one another (e.g., as an array or partial array), thereby electronically controlling the output of the luminaire as a whole.
  • a luminaire controller configured as described herein may provide for electronic adjustment, for example, of the beam direction, beam angle, beam distribution, and/or beam diameter for each lamp or some sub-set of the available lamps, thereby allowing for customizing the spot size, position, and/or distribution of light on a given surface of incidence.
  • the disclosed luminaire controller may provide for electronic adjustment, for example, of the brightness (dimming) and/or color of light, thereby allowing for dimming and/or color mixing/tuning, as desired.
  • the properties of the light output of a luminaire configured as described herein may be adjusted electronically without need for mechanical movements, contrary to existing lighting systems.
  • control of the emission of the disclosed luminaire may be provided using any of a wide range of wired and/or wireless control interfaces, such as a switch array, a touch-sensitive surface or device, and/or a computer vision system (e.g., that is gesture-sensitive, activity-sensitive, and/or motion-sensitive, for example), to name a few.
  • a switch array such as a switch array, a touch-sensitive surface or device, and/or a computer vision system (e.g., that is gesture-sensitive, activity-sensitive, and/or motion-sensitive, for example), to name a few.
  • a computer vision system e.g., that is gesture-sensitive, activity-sensitive, and/or motion-sensitive, for example
  • the disclosed luminaire can be configured as a recessed light, a pendant light, a sconce, or the like which may be mounted, for example, on a ceiling, wall, floor, step, or other suitable surface, as will be apparent in light of this disclosure.
  • the disclosed luminaire can be configured as a free-standing lighting device, such as a desk lamp or torchière lamp.
  • a luminaire configured as described herein may be mounted, for example, on a drop ceiling tile (e.g., 2 ft. ⁇ 2 ft., 2 ft. ⁇ 4 ft., 4 ft. ⁇ 4 ft., or larger) for installment in a drop ceiling grid.
  • a drop ceiling tile e.g., 2 ft. ⁇ 2 ft., 2 ft. ⁇ 4 ft., 4 ft. ⁇ 4 ft.
  • a luminaire configured as described herein may provide for flexible and easily adaptable lighting, capable of accommodating any of a wide range of lighting applications and contexts, in accordance with some embodiments.
  • some embodiments may provide for downlighting adaptable to small and large area tasks (e.g., high intensity with adjustable distribution and directional beams).
  • Some embodiments may provide for accent lighting or area lighting of any of a wide variety of distributions (e.g., narrow, wide, asymmetric/tilted, Gaussian, batwing, or other specifically shaped beam distribution).
  • the light beam output may be adjusted, for instance, to produce uniform illumination on a given surface, to fill a given space with light, or to generate any desired area lighting distributions.
  • the luminaire can be used to create spot area shapes, such as a circle or ellipse, a square or rectangle (e.g., which can be used to fill corner areas), a star, an arrow, or other fanciful or customized shape, as desired.
  • spot area shapes such as a circle or ellipse, a square or rectangle (e.g., which can be used to fill corner areas), a star, an arrow, or other fanciful or customized shape, as desired.
  • Some embodiments may provide for emergency lighting or other direction-finding lighting. That is, the disclosed luminaire may be configured to provide a moving spotlight along a path of egress so that bystanders may be directed to a safe location.
  • a luminaire configured as described herein may be considered, in a general sense, a robust, intelligent, multi-purpose lighting platform capable of producing a highly adjustable light output without requiring mechanical movement of luminaire componentry.
  • Some embodiments may provide for a greater level of light beam adjustability, for example, as compared to traditional lighting designs utilizing larger moving mechanical parts.
  • Some embodiments may realize a reduction in cost, for example, as a result of the use of longer-lifespan solid-state devices and reduced installation, operation, and other labor costs.
  • a luminaire configured as described herein may be varied, in accordance with some embodiments, to adapt to a specific lighting context or application (e.g., downward-facing, such as a drop ceiling lighting fixture, pendant lighting fixture, a desk light, etc.; upward-facing, such as indirect lighting aimed at a ceiling).
  • a specific lighting context or application e.g., downward-facing, such as a drop ceiling lighting fixture, pendant lighting fixture, a desk light, etc.
  • upward-facing such as indirect lighting aimed at a ceiling
  • FIGS 1A and 1B illustrate a luminaire 100 configured in accordance with an embodiment of the present disclosure.
  • luminaire 100 includes a housing 110, a plurality of solid-state lamps 130 arranged within the plenum 115 of housing 110, and one or more optional heat sinks 140 coupled with those lamps 130 and arranged on the exterior of housing 110. A discussion of these is provided below.
  • luminaire 100 may be configured to be mounted on or otherwise fixed to a mounting surface 10 in a temporary or permanent manner, and in some such cases, a support plate 20 optionally may be included, in accordance with some embodiments.
  • luminaire 100 includes a housing 110 having a hollow space therein which defines a plenum 115.
  • housing 110 may serve, at least in part: (1) to protect or otherwise house the plurality of solid-state lamps 130 of luminaire 100 within plenum 115 (e.g., in some cases in which the solid-state lamps 130 are arranged on one or more interior surfaces of housing 110); and/or (2) to help conduct thermal energy away from the plurality of solid-state lamps 130 of luminaire 100 to the ambient environment.
  • housing 110 may be constructed from any of a wide variety of materials, such as: aluminum (Al); copper (Cu); brass; steel; composites and/or polymers (e.g., ceramics, plastics, etc.) doped with thermally conductive material; and/or a combination thereof.
  • Al aluminum
  • Cu copper
  • brass steel
  • composites and/or polymers e.g., ceramics, plastics, etc.
  • thermally conductive material e.g., copper, etc.
  • suitable materials from which housing 110 may be constructed will depend on a given application and will be apparent in light of this disclosure.
  • housing 110 may be customized as desired for a given target application or end-use.
  • housing 110 may be configured with a nonplanar/curved geometry.
  • housing 110 may exhibit a hemispherical geometry (e.g., like that shown in Figure 1B ).
  • housing 110 may exhibit a sectional hemispherical geometry.
  • housing 110 may exhibit an oblate hemispherical geometry. In some instances, this type of geometry may help to provide housing 110 with additional space for hosting solid-state lamps 130 if the depth of housing 110 is otherwise limited (e.g., in cases in which expansion of the depth of plenum 115 is not possible or otherwise not practical).
  • housing 110 may be configured with a Platonic solid-type geometry (e.g., having planar faces/sides), such as a triangular geometry, a rectangular geometry, or a trapezoidal geometry, among others.
  • housing 110 may be configured as a cylinder, pyramid, truncated pyramid, or other hollow, geometrical cavity. Numerous suitable configurations will be apparent in light of this disclosure.
  • housing 110 can be customized as desired for a given target application or end-use.
  • housing 110 may have a width/diameter in the range of about 5-25 cm (2-10 inches) (e.g., about 5-10 cm (2-4 inches), about 10-15 cm (4-6 inches), about 15-20 cm (6-8 inches), about 20-25 cm (8-10 inches), or any other sub-range within the range of about 5-25 cm (2-10 inches)).
  • housing 110 may have a diameter of about 20 cm ⁇ 5 cm (8 inches ⁇ 2 inches).
  • housing 110 may have a width/diameter greater than about 25 cm (10 inches) (e.g., in the range of about 25-50 cm (10-20 inches), about 51-76 cm (20-30 inches), about 76-101 cm (30-40 inches), about 101-127 cm (40-50 inches), or greater).
  • the dimensions of housing 110 may be varied, for example, to be commensurate with the particular mounting surface 10 on which it is to be mounted or other space which it is to occupy (e.g., mounted on a drop ceiling tile; suspended from a ceiling or other overhead structure; extending from a wall, floor, or step; configured as a free-standing or otherwise portable lighting device).
  • Other suitable sizes for housing 110 will depend on a given application and will be apparent in light of this disclosure.
  • luminaire 100 can include a plurality of solid-state lamps 130 arranged within plenum 115 along one or more interior surfaces of housing 110 and (optionally) one or more associated heat sinks 140 arranged on the one or more exterior surfaces of housing 110.
  • Figures 2A-2D illustrate several views of a solid-state lamp 130 and heat sink 140 assembly, configured in accordance with an embodiment of the present disclosure.
  • a given solid-state lamp 130 can include one or more solid-state emitters 131 populated on a printed circuit board (PCB) 133 (or other suitable intermediate/substrate) and optically coupled with an optics assembly 132.
  • PCB printed circuit board
  • the optics 132 and solid-state emitter(s) 131 may be disposed within or otherwise protected by a head 137 of solid-state lamp 130.
  • a given solid-state lamp 130 may include a base portion 139, discussed below.
  • the quantity/density of solid-state lamps 130 utilized in luminaire 100 may be customized, as desired for a given target application or end-use. In some cases, a corresponding quantity/density of heat sinks 140 may be utilized as well. Numerous suitable configurations will be apparent in light of this disclosure.
  • a given solid-state emitter 131 may be any of a wide variety of semiconductor light source devices.
  • Some suitable solid-state emitters 131 include, for example: a light-emitting diode (LED) (e.g., high-brightness, bi-color, tri-color, etc.); an organic light-emitting diode (OLED); a polymer light-emitting diode (PLED); and/or any combination thereof.
  • a given solid-state emitter 131 may be configured to emit wavelength(s) from any spectral band (e.g., visible spectral band, infrared spectral band, ultraviolet spectral band, etc.), as desired for a given target application or end-use.
  • any spectral band e.g., visible spectral band, infrared spectral band, ultraviolet spectral band, etc.
  • Some embodiments may include one or more white light-emitting solid-state emitters 131, while some other embodiments may include one or more multiple-color solid-state emitters 131 (e.g., bi-color LEDs, tri-color LEDs, etc.).
  • a given solid-state emitter 131 can be packaged or non-packaged, as desired, and in some cases may be populated on a printed circuit board (PCB) 133 or other suitable intermediate/substrate, as will be apparent in light of this disclosure.
  • PCB printed circuit board
  • Other suitable solid-state emitter 131 configurations will depend on a given application and will be apparent in light of this disclosure.
  • the PCB 133 and one or more solid-state emitters 131 of a given solid-state lamp 130 may be held or otherwise hosted by a base portion 139.
  • the base portion 139 of a given solid-state lamp 130 may be configured to interface with housing 110 in a variety of ways.
  • the base portion 139 of a solid-state lamp 130 may be configured to be received and retained by a recess or aperture formed in housing 110.
  • base portion 139 may be threaded such that it may be screwed into a correspondingly threaded recess/aperture formed in the wall of housing 110.
  • base portion 139 may be configured to be affixed to housing 110 using an epoxy, tape, or other suitable adhesive, as will be apparent in light of this disclosure. Also, the base portion 139 of a given solid-state lamp 130 may be configured to interface with a heat sink 140, discussed below.
  • a given base portion 139 may be constructed from any of a wide variety of thermally conductive materials.
  • a given base portion 139 may be constructed from a metal, such as: aluminum (Al); copper (Cu); silver (Ag); gold (Au); brass; steel; and/or an alloy of any thereof.
  • a given base portion 139 may be constructed from a composite (e.g., a ceramic) or a polymer (e.g., a plastic) of sufficient thermal conductivity.
  • a composite e.g., a ceramic
  • a polymer e.g., a plastic
  • suitable materials from which a given base portion 139 may be constructed will depend on a given application and will be apparent in light of this disclosure.
  • a given solid-state lamp 130 also includes optics 132 coupled with its one or more solid-state emitters 131.
  • the optics 132 may be configured to transmit the wavelength(s) of interest (e.g., visible, ultraviolet, infrared, etc.) of the light emitted, for example, by the associated solid-state emitter(s) 131.
  • the optics 132 of a given solid-state lamp 130 may include an optical structure comprising any of a wide variety of transparent/translucent materials, such as, for example: a polymer, such as poly(methyl methacrylate) (PMMA) or polycarbonate; a ceramic, such as sapphire (Al 2 O 3 ) or yttrium aluminum garnet (YAG); a glass; and/or any combination thereof.
  • the optics 132 of a given solid-state lamp 130 may include electronically controllable componentry which may be used to modify the output of the host solid-state lamp 130.
  • a given optics assembly 132 may include one or more electro-optic tunable lenses which can be electronically adjusted to vary the angle, direction, and/or size (among other attributes) of the light beam output by a given solid-state lamp 130.
  • the optics 132 of a given solid-state lamp 130 may include optical components, such as, for example: a reflector; a diffuser; a polarizer; a brightness enhancer; and/or a phosphor material (e.g., which converts light received thereby to light of a different wavelength).
  • the optics assembly 132 of a given solid-state lamp 130 may be encased by or otherwise disposed within a head 137 extending from base portion 139.
  • Other suitable types and configurations for the optics 132 of a given solid-state lamp 130 may depend on the given application and will be apparent in light of this disclosure.
  • luminaire 100 may include one or more heat sinks 140 arranged on the exterior surface of housing 110.
  • the base portion 139 of a given solid-state lamp 130 may be configured to interface with a heat sink 140.
  • the base portion 139 of a solid-state lamp 130 may be configured to extend through an aperture formed in the wall of housing 110 and be received and retained by a recess or aperture formed in a heat sink 140.
  • base portion 139 may be threaded such that it may be screwed into a correspondingly threaded recess/aperture formed in the body of a heat sink 140.
  • heat sinks 140 may be pre-formed into or otherwise as part of housing 110 (e.g., heat sinks 140 and housing 110 may be integrated with one another). In some still other cases, luminaire 100 may be provided without any heat sinks 140. Numerous suitable configurations will be apparent in light of this disclosure.
  • Coupling of a base portion 139 with a heat sink 140 may help to provide a thermal pathway between the PCB 133 and the one or more solid-state emitters 131 populated thereon and that heat sink 140. This may help to conduct away thermal energy produced by the solid-state emitter(s) 131, dissipating the heat to the ambient environment.
  • a given heat sink 140 may be constructed from any of a wide variety of thermally conductive materials. For instance, in some cases, a given heat sink 140 may be constructed from a metal, such as: aluminum (Al); copper (Cu); silver (Ag); gold (Au); brass; steel; and/or an alloy of any thereof.
  • a given heat sink 140 may be constructed from a composite (e.g., a ceramic) or a polymer (e.g., a plastic) of sufficient thermal conductivity.
  • a composite e.g., a ceramic
  • a polymer e.g., a plastic
  • suitable materials from which a given heat sink 140 may be constructed will depend on a given application and will be apparent in light of this disclosure.
  • luminaire 100 may be configured, in some embodiments, to be mounted or otherwise fixed to a mounting surface 10 in a temporary or permanent manner.
  • luminaire 100 may be configured to be mounted as a recessed lighting fixture, while in some other cases, luminaire 100 may be configured as a pendant-type fixture, a sconce-type fixture, or other lighting fixture which may be suspended or otherwise extended from a given mounting surface 10.
  • suitable mounting surfaces 10 include ceilings, walls, floors, and/or steps.
  • mounting surface 10 may be a drop ceiling tile (e.g., having an area of about 2 ft. ⁇ 2 ft., 2 ft. ⁇ 4 ft., 4 ft.
  • luminaire 100 need not be configured to be mounted on a mounting surface 10 and instead may be configured, in some instances, as a free-standing or otherwise portable lighting device, such as a desk lamp or a torchière lamp, for example.
  • a free-standing or otherwise portable lighting device such as a desk lamp or a torchière lamp, for example.
  • Other suitable configurations will depend on a given application and will be apparent in light of this disclosure.
  • FIGS 3A and 3B illustrate a luminaire 100 mounted on a mounting surface 10, in accordance with an embodiment of the present disclosure.
  • the housing 110 of luminaire 100 may be positioned adjacent a first side 12a (e.g., a back side) of mounting surface 10.
  • the housing 110 of luminaire 100 may be in direct physical contact with mounting surface 10, while in some other cases, an intermediate (e.g., such as an optional support plate 20, discussed below) may be disposed between the housing 110 and mounting surface 10.
  • mounting surface 10 may have an aperture 15 formed therein which passes through the thickness of mounting surface 10 from its first side 12a to its second side 12b.
  • mounting surface 10 optionally may have multiple such apertures 15 formed therein. This may be desirable, for example, in cases in which housing 110 is provided with an elongated geometry (e.g., such as an oblate hemispherical geometry) or in which housing 110 covers a sufficiently large portion of a given mounting surface 10 (e.g., such as if luminaire 100 is dimensioned to substantially cover the area of a drop ceiling tile). Other situations in which multiple apertures 15 may be utilized will be apparent in light of this disclosure.
  • luminaire 100 may be positioned/aligned relative to the aperture(s) 15 in the mounting surface 10 such that the light emitted by any one or more of the solid-state lamps 130 emerges from luminaire 100 with minimal or otherwise negligible overlap with the perimeter of a given aperture 15, thus helping to ensure that substantially all of the light emitted by lamps 130 exits luminaire 100.
  • a given aperture 15 of mounting surface 10 may be customized, as desired for a given target application or end-use.
  • a given aperture 15 may be provided with a geometry which substantially corresponds with that of housing 110 (e.g., if housing 110 is substantially hemispherical, then an associated aperture 15 may be substantially circular); if housing 110 is substantially oblate hemispherical, then an associated aperture 15 may be substantially elliptical; etc.).
  • a given aperture 15 may have a width/diameter in the range of about 3-18 cm (1-7 inches) (e.g., about 3-8 cm (1-3 inches), about 8-13 cm (3-5 inches), about 13-18 cm (5-7 inches), or any other sub-range in the range of about 3-18 cm (1-7 inches)). In some example cases, aperture 15 may have a diameter of about 10 cm ⁇ 3 cm (4 inches ⁇ 1 inch). In some other cases, a given aperture 15 may have a width/diameter greater than about 18 cm (7 inches) (e.g., in the range of about 18-25 cm (7-10 inches), about 25-33 cm (10-13 inches), about 33-41 cm (13-16 inches), about 41-48 cm (16-19 inches), or greater).
  • the geometry and dimensions of a given aperture 15 may be varied, for example, to be commensurate with the geometry and dimensions of housing 110 and the particular arrangement of solid-state lamps 130 within plenum 115 of luminaire 100.
  • aperture 15 may be smaller in size than the distribution area of the solid-state lamps 130 within housing 110.
  • aperture 15 may be smaller in size than the light field of luminaire 100 (e.g., smaller than the physical distribution area of the solid-state emitters 131 within housing 110).
  • aperture 15 may be configured such that one or more of the light beams produced by the solid-state lamps 130 of luminaire 100 pass through a focal point generally located within aperture 15.
  • Other suitable geometries and dimensions for a given aperture 15 formed in mounting surface 10 will depend on a given application and will be apparent in light of this disclosure.
  • a bezel 150 optionally may be utilized with luminaire 100.
  • bezel 150 may be positioned adjacent a second side 12b of mounting surface 10 and may be configured to reside within and/or about a given aperture 15.
  • one or more apertures 155 may be formed therein, for instance, corresponding in quantity, geometry, and/or dimensions with the aperture(s) 15 formed in mounting surface 10.
  • bezel 150 alternatively can be referred to, for example, as a trim, collar, or baffle in other embodiments.
  • aperture 155 may be smaller in size than the distribution area of solid-state lamps 130 within housing 110.
  • aperture 155 may be smaller in size than the light field of luminaire 100 (e.g., smaller than the physical distribution area of the solid-state emitters 131 within housing 110).
  • aperture 15 e.g., formed within mounting surface 10
  • aperture 155 may be provided with a geometry and/or size like that of aperture 155 (e.g., of optional bezel 150).
  • aperture 155 may be configured such that one or more of the light beams produced by the solid-state lamps 130 of luminaire 100 pass through a focal point generally located within aperture 155.
  • Other suitable configurations, geometries, and dimensions for optional bezel 150 and its one or more apertures 155 will depend on a given application and will be apparent in light of this disclosure.
  • an optics assembly 152 may be provided with the mounting surface 10.
  • the optics 152 may be configured to transmit the wavelength(s) of interest (e.g., visible, ultraviolet, infrared, etc.) of the light emitted, for example, by the solid-state lamps 130 of luminaire 100.
  • the optics 152 may include an optical structure (e.g., a window) comprising any of a wide variety of transparent/translucent materials, such as, for example: a polymer, such as poly(methyl methacrylate) (PMMA) or polycarbonate; a ceramic, such as sapphire (Al 2 O 3 ) or yttrium aluminum garnet (YAG); a glass; and/or any combination thereof.
  • the optics 152 may include optical features, such as, for example: an anti-reflective (AR) coating; a diffuser; a polarizer; a brightness enhancer; and/or a phosphor material (e.g., which converts light received thereby to light of a different wavelength).
  • the optics 152 may include electronically controllable componentry which may be used to modify the output of the solid-state lamps 130 of luminaire 100.
  • the optics assembly 152 may include an electro-optic tunable lens or other suitable focusing optics which can be electronically adjusted to narrow or widen accumulated light distribution, thereby contributing to varying the beam angle, beam direction, beam distribution, and/or beam size (among other attributes) of the light beam output by luminaire 100.
  • optics assembly 152 may include a Fresnel lens or other fixed optics (e.g., disposed with aperture 155), for example, to modify the beam distributions.
  • the optics assembly 152 may be encased by or otherwise disposed within an optionally included bezel 150 (discussed above).
  • a support plate 20 optionally may be utilized with luminaire 100, for example, to provide additional structural support and/or thermal energy dissipation for a luminaire 100.
  • support plate 20 may be positioned adjacent a first side 12a of mounting surface 10.
  • Housing 110 and support plate 20 may be separate components which are interfaced with one another (e.g., housing 110 is situated on support plate 20), or they may be integrated together as a single piece (e.g., support plate 20 and housing 110 are constructed from a continuous piece of material), as desired for a given target application or end-use.
  • one or more apertures 25 may be formed therein, for instance, corresponding in quantity, geometry, and/or dimensions with the aperture(s) 15 formed in mounting surface 10. This may allow the light emitted by any one or more of the solid-state lamps 130 to emerge from luminaire 100 with minimal or otherwise negligible overlap with the perimeter of a given aperture 25, thus helping to ensure that substantially all of the light emitted by lamps 130 exits luminaire 100.
  • Coupling of support plate 20 with housing 110 may help to provide a thermal pathway between the PCB 133 and one or more solid-state emitters 131 of a given solid-state lamp 130 and the support plate 20. This may help to conduct away thermal energy produced by the solid-state emitter(s) 131, dissipating the heat to the ambient environment.
  • the support plate 20 may be constructed from any of a wide variety of thermally conductive materials. For instance, in some cases, support plate 20 may be constructed from a metal, such as: aluminum (Al); copper (Cu); silver (Ag); gold (Au); brass; steel; and/or an alloy of any thereof.
  • support plate 20 may be constructed from a composite (e.g., a ceramic) or a polymer (e.g., a plastic) of sufficient thermal conductivity.
  • a composite e.g., a ceramic
  • a polymer e.g., a plastic
  • Other suitable materials from which support plate 20 may be constructed will depend on a given application and will be apparent in light of this disclosure.
  • the solid-state lamps 130 of luminaire 100 can be electronically controlled individually and/or in conjunction with one another, for example, to provide highly adjustable light emissions from the luminaire 100.
  • luminaire 100 may include or otherwise be communicatively coupled with one or more controllers 200.
  • controllers 200 For example, consider Figure 4A , which is a block diagram of a lighting system 1000a configured in accordance with an embodiment of the present disclosure.
  • a controller 200 is operatively coupled (e.g., by a communication bus/interconnect) with the solid-state lamps 130 1-N of luminaire 100.
  • controller 200 may output a control signal to any one or more of the solid-state lamps 130 and may do so, for example, based on wired and/or wireless input received from one or more control interfaces 202, discussed below.
  • luminaire 100 may be controlled in such a manner as to output any number of output beams 1-N, which may be varied in beam direction, beam angle, beam size, beam distribution, brightness/dimness, and/or color, as desired for a given target application or end-use.
  • each solid-state lamp 130 1-N of luminaire 100 includes its own controller 200.
  • each solid-state lamp 130 may be considered as effectively having its own mini-controller, thus providing luminaire 100 with a distributed controller 200.
  • the controller 200 of a given solid-state lamp 130 may be populated, for example, on PCB 133.
  • a given controller 200 may output a control signal to an associated solid-state lamp 130 of luminaire 100 and may do so, for example, based on wired and/or wireless input received from one or more control interfaces 202, discussed below.
  • luminaire 100 may be controlled in such a manner as to output any number of output beams 1-N, which may be varied in beam direction, beam angle, beam size, beam distribution, brightness/dimness, and/or color, as desired for a given target application or end-use.
  • a given controller 200 may host one or more lighting control modules and can be programmed or otherwise configured to output one or more control signals, for example, to adjust the operation of: (1) the one or more solid-state emitters 131 of a given solid-state lamp 130; (2) the optics 132 of a given solid-state lamp 131; and/or (3) an optics assembly 152 hosted by the mounting surface 10 (e.g., in an aperture 15 and/or optional bezel 150).
  • a given controller 200 may be configured to output a control signal to control whether the beam is on/off, as well as control the beam direction, beam angle, beam distribution, and/or beam diameter of the light emitted by a given solid-state lamp 130.
  • a given controller 200 may be configured to output a control signal to control the intensity/brightness (e.g., dimming, brightening) of the light emitted by a given solid-state emitter 131.
  • a given controller 200 may be configured to output a control signal to control the color (e.g., mixing, tuning) of the light emitted by a given solid-state emitter 131.
  • the control signal may be used to adjust the relative brightness of the different solid-state emitters 131 in order to change the mixed color output by that solid-state lamp 130.
  • a given controller 200 may utilize a digital communications protocol, such as a digital multiplexer (DMX) interface, a Wi-FiTM protocol, a digital addressable lighting interface (DALI) protocol, a ZigBee protocol, or any other suitable communications protocol, wired and/or wireless, as will be apparent in light of this disclosure.
  • a given controller 200 may be configured as a terminal block or other pass-through such that a given control interface 202 is effectively coupled directly with the individual solid-state emitters 131 of luminaire 100. Numerous suitable configurations will be apparent in light of this disclosure.
  • control of the solid-state lamps 130 of luminaire 100 may be provided using any of a wide range of wired and/or wireless control interfaces 202.
  • one or more switches e.g., an array of switches
  • a given switch may be, for instance, a sliding switch, a rotary switch, a toggle switch, a push-button switch, or any other suitable switch, as will be apparent in light of this disclosure.
  • one or more switches may be operatively coupled with a given controller 200, which in turn interprets the input and distributes the desired control signal(s) to one or more of the solid-state emitters 131 of the solid-state lamps 130 of luminaire 100. In some other instances, one or more switches may be operatively coupled directly with solid-state emitters 131 to control them directly.
  • a touch-sensitive device or surface such as a touchpad or other device with a touch-based user interface, may be utilized to control the solid-state emitters 131 of the solid-state lamps 130 of luminaire 100 individually and/or in conjunction with one another.
  • the touch-sensitive interface may be operatively coupled with one or more controllers 200, which in turn interpret the input from the control interface 202 and provide the desired control signal(s) to one or more of the solid-state emitters 131 of luminaire 100.
  • the touch-sensitive interface may be operatively coupled directly with the solid-state emitters 131 to control them directly.
  • a computer vision system that is, for example, gesture-sensitive, activity-sensitive, and/or motion-sensitive may be utilized to control the solid-state emitters 131 of the solid-state lamps 130 of luminaire 100 individually and/or in conjunction with one another. In some such cases, this may provide for a luminaire 100 which can automatically adapt its light emissions based on a particular gesture-based command, sensed activity, or other stimulus.
  • the computer vision system may be operatively coupled with one or more controllers 200, which in turn interpret the input from the control interface 202 and provide the desired control signal(s) to one or more of the solid-state emitters 131 of luminaire 100.
  • the computer vision system may be operatively coupled directly with the solid-state emitters 131 to control them directly.
  • Other suitable configurations and capabilities for a given controller 200 and the one or more control interfaces 202 will depend on a given application and will be apparent in light of this disclosure.
  • luminaire 100 also may be operatively coupled with other componentry, for example, which may be used in solid-state lighting fixtures, such as power conversion circuitry (e.g., electrical ballast circuitry to convert an AC signal into a DC signal at a desired current and voltage to power the solid-state devices), driver circuitry, and the like.
  • power conversion circuitry e.g., electrical ballast circuitry to convert an AC signal into a DC signal at a desired current and voltage to power the solid-state devices
  • driver circuitry e.g., driver circuitry, and the like.
  • a luminaire 100 configured as described herein is not necessarily prevented, for example, from utilizing electromechanical components which have physical movement.
  • luminaire 100 may be configured to host a microelectromechanical systems (MEMS) mirror array which provides reflective surfaces with adjustable foci.
  • MEMS microelectromechanical systems
  • the solid-state lamps 130 (discussed above) and these mirror arrays may be distributed within the plenum 115 of housing 110 (e.g., on the interior surface thereof), and one or more of the solid-state lamps 130 may be made to illuminate a given mirror array, which in turn focuses the light in the desired direction out of luminaire 100.
  • Other suitable optional electromechanical components for luminaire 100 will depend on a given application and will be apparent in light of this disclosure.
  • luminaire 100 may be configured as a lighting fixture which may be suspended or otherwise extended from a given mounting surface 10, such as a pendant-type fixture, a sconce-type fixture, etc.
  • a lighting fixture which may be suspended or otherwise extended from a given mounting surface 10, such as a pendant-type fixture, a sconce-type fixture, etc.
  • housing 110 may exhibit a hemispherical geometry, providing an exterior surface which exhibits a convex curvature, and the plurality of solid-state lamps 130 may be arranged on the exterior surface of such housing 110, in accordance with some embodiments.
  • housing 110 is not limited only to the example hemispherical geometry depicted, as in other embodiments, housing 110 may be configured with any of the various types of geometries (e.g., non-planar/curved, such as sectional hemispherical, oblate hemispherical, concave, convex, cylindrical, elliptical, parabolic, hyperbolic, complex parabolic; Platonic solid-type, such as triangular, rectangular, trapezoidal, pyramidal, truncated pyramidal) discussed above with reference to Figures 1A-1B . Numerous suitable configurations will be apparent in light of this disclosure.
  • non-planar/curved such as sectional hemispherical, oblate hemispherical, concave, convex, cylindrical, elliptical, parabolic, hyperbolic, complex parabolic
  • Platonic solid-type such as triangular, rectangular, trapezoidal, pyramidal, truncated pyramidal
  • luminaire 100 may be configured, for example, such that no two of its solid-state emitters 131 are pointed at the same spot on a given surface of incidence.
  • This one-to-one mapping may provide for pixelated control over the light distribution of luminaire 100, in accordance with some embodiments. That is, luminaire 100 may be capable of outputting a polar, grid-like pattern of light beam spots which can be manipulated (e.g., in intensity, etc.), for instance, like the regular, rectangular grid of pixels of a display.
  • the beam spots produced by luminaire 100 can have minimal or otherwise negligible overlap, in accordance with some embodiments. This may allow the light distribution of luminaire 100 to be manipulated in a manner similar to the way that the pixels of a display can be manipulated to create different patterns, spot shapes, and distributions of light, in accordance with some embodiments. Furthermore, luminaire 100 may exhibit minimal or otherwise negligible overlap of the angular distributions of light of its solid-state emitters 131, and thus the candela distribution can be adjusted (e.g., in intensity, etc.) as desired for a given target application or end-use.
  • luminaire 100 also may be configured to provide for pointing two or more solid-state emitters 131 at the same spot (e.g., such as when color mixing using multiple color solid-state emitters 131 is desired), in accordance with some embodiments.
  • the solid-state lamps 130 may be mounted on a given interior or exterior surface of housing 110 such that their orientation provides a given desired beam distribution from luminaire 100.
  • One example embodiment provides a luminaire including: a housing having a hemispherical interior surface and an aperture; and a plurality of solid-state lamps arranged on the hemispherical interior surface of the housing so as to provide a lamp distribution area, wherein each of the plurality of solid-state lamps is configured to emit light through the aperture, and the aperture is smaller in size than the distribution area of the plurality of solid-state lamps on the hemispherical interior surface.
  • the luminaire further includes: a controller communicatively coupled with at least one of the plurality of solid-state lamps and configured to output one or more control signals to electronically control light emitted thereby.
  • the plurality of solid-state lamps are electronically controlled independently of one another by the controller.
  • the controller is configured to output a control signal which controls at least one of beam direction, beam angle, beam diameter, beam distribution, brightness, and/or color of light emitted by at least one of the plurality of solid-state lamps.
  • the controller utilizes a digital multiplexer (DMX) interface protocol, a Wi-Fi protocol, a digital addressable lighting interface (DALI) protocol, and/or a ZigBee protocol.
  • DMX digital multiplexer
  • Wi-Fi Wireless Fidelity
  • DALI digital addressable lighting interface
  • ZigBee protocol ZigBee protocol
  • at least one of the plurality of solid-state lamps includes an electro-optic tunable lens, and wherein the controller is configured to output a control signal which controls that electro-optic tunable lens.
  • At least one of the plurality of solid-state lamps includes a light-emitting diode (LED), and wherein the controller is configured to output a control signal which controls that LED.
  • the luminaire further includes: an electro-optic tunable lens disposed within the aperture and configured to adjust accumulated light distribution, wherein the controller is configured to output a control signal which controls that electro-optic tunable lens.
  • the housing has a hemispherical geometry or an oblate hemispherical geometry.
  • the luminaire further includes: one or more heat sinks arranged on an exterior surface of the housing and coupled with the plurality of solid-state lamps through a wall of the housing.
  • the luminaire further includes: an optical window disposed within the aperture and having an anti-reflective coating.
  • at least one of the plurality of solid-state lamps includes at least one of a fixed lens, a reflector, a diffuser, a polarizer, a brightness enhancer, and/or a phosphor material.
  • the luminaire is configured to be mounted on a mounting surface, the mounting surface having the aperture formed therein, and wherein light emitted by the plurality of solid-state lamps passes through the aperture formed in the mounting surface.
  • the luminaire further includes: a support plate coupled with the housing and disposed adjacent the mounting surface, the support plate comprising a thermally conductive metal, composite, or polymer and having an aperture formed therein which is commensurate with the aperture formed in the mounting surface, wherein light emitted by the plurality of solid-state lamps passes through the aperture formed in the support plate.
  • a luminaire including: a housing having a curved interior surface; a plurality of solid-state lamps arranged on the curved interior surface of the housing and configured to emit light through an aperture of smaller size than a distribution area of the plurality of solid-state lamps on the curved interior surface, at least one of the plurality of solid-state lamps comprising: one or more light-emitting diode (LEDs) populated on a printed circuit board (PCB); and an electro-optic tunable lens optically coupled with the one or more LEDs; and one or more heat sinks arranged on an exterior surface of the housing and coupled with the plurality of solid-state lamps through a wall of the housing.
  • LEDs light-emitting diode
  • PCB printed circuit board
  • the luminaire further includes: a controller communicatively coupled with the plurality of solid-state lamps and configured to output one or more control signals to electronically control the plurality of solid-state lamps independently of one another.
  • the luminaire further includes: a controller populated on the PCB of at least one of the plurality of solid-state lamps and configured to output one or more control signals to electronically control the one or more LEDs populated on that PCB.
  • the luminaire is configured to be mounted on a mounting surface comprising a drop ceiling tile, a ceiling, a wall, a floor, or a step, the mounting surface having the aperture formed therein, and wherein light emitted by the plurality of solid-state lamps passes through the aperture formed in the mounting surface.
  • the luminaire further includes: a support plate coupled with the housing of the luminaire and comprising a thermally conductive metal, composite, or polymer.
  • the luminaire is configured as a free-standing lighting device.
  • the luminaire further includes: an electro-optic tunable lens optically coupled with the plurality of solid-state lamps and configured to adjust accumulated light distribution.
  • the housing has a hemispherical geometry or an oblate hemispherical geometry.
  • a lighting system including: a drop ceiling tile having an aperture formed therein; a luminaire disposed over the drop ceiling tile, the luminaire comprising: a housing having a hemispherical or oblate hemispherical geometry; a plurality of light-emitting diode (LED)-based lamps arranged on a curved interior surface of the housing, wherein at least one LED-based lamp includes an electro-optic tunable lens optically coupled therewith, and wherein a distribution area of the plurality of solid-state lamps on the curved interior surface is larger in size than the aperture formed in the drop ceiling tile; a controller communicatively coupled with the plurality of LED-based lamps and configured to electronically control light emitted thereby; and one or more heat sinks arranged on an exterior surface of the housing and coupled with the plurality of LED-based lamps through a wall of the housing; wherein light emitted by the plurality of LED-based lamps exits the luminaire through the aperture in the drop ceiling tile.
  • LED light-emit
  • the controller is configured to output a control signal which controls at least one of beam direction, beam angle, beam diameter, beam distribution, brightness, and/or color of light emitted by the luminaire.
  • the lighting system further includes: an electro-optic tunable lens disposed within the aperture formed in the drop ceiling tile and configured to adjust accumulated light distribution.
  • the housing has a width/diameter of about 8 inches ⁇ 2 inches, and wherein the aperture of the drop ceiling tile has a width/diameter of about 5 inches ⁇ 1 inch.

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Claims (15)

  1. Luminaire (100) comprenant :
    un boîtier (110) ayant une surface intérieure incurvée et une ouverture (15) ; et
    une pluralité de lampes à semi-conducteur (130) disposées sur la surface intérieure incurvée du boîtier (110) de manière à fournir une zone de distribution de lampe, où chacune de la pluralité de lampes à semi-conducteur (130) est configurée pour émettre de la lumière à travers l'ouverture (15), et l'ouverture (15) a une taille plus petite que la zone de distribution de la pluralité de lampes à semi-conducteur (130) sur la surface intérieure incurvée ;
    comprenant en outre un contrôleur (200)
    couplé de manière communicative à au moins une de la pluralité de lampes à semi-conducteur (130) ou couplé de manière communicative à la pluralité de lampes à semi-conducteur (130), et configuré pour délivrer en sortie un ou plusieurs signaux de commande pour contrôler électroniquement la lumière émise par celles-ci ;
    où au moins une lampe de la pluralité de lampes à semi-conducteur (130) comprend une ou plusieurs diodes électroluminescentes (LED) disposées sur une carte de circuit imprimé (133) et caractérisé en ce que l'au moins une lampe de la pluralité de lampes à semi-conducteur (130) comprend une lentille électro-optique accordable couplée optiquement à l'une ou à plusieurs diodes électroluminescentes (LED).
  2. Luminaire selon la revendication 1, dans lequel la pluralité de lampes à semi-conducteur (130) sont contrôlées électroniquement indépendamment les unes des autres par le contrôleur (200).
  3. Luminaire (100) selon la revendication 2, dans lequel le contrôleur (200) est configuré pour délivrer en sortie un signal de commande qui contrôle au moins un paramètre parmi les suivants : la direction du faisceau, l'angle du faisceau, le diamètre du faisceau, la distribution du faisceau, la luminosité et/ou la couleur de la lumière émise par au moins une lampe de la pluralité de lampes à semi-conducteur (130).
  4. Luminaire (100) selon la revendication 2 ou la revendication 3, dans lequel le contrôleur (200) utilise au moins un protocole d'interface de multiplexeur numérique (DMX), un protocole Wifi, un protocole d'interface numérique adressable d'éclairage (DALI) et/ou un protocole ZigBee.
  5. Luminaire selon l'une quelconque des revendications 1 à 4, dans lequel le contrôleur est placé sur la carte PCB d'au moins une lampe de la pluralité de lampes à semi-conducteur et configuré pour délivrer en sortie un ou plusieurs signaux de commande pour contrôler électroniquement la ou les LED disposées sur cette carte PCB.
  6. Luminaire (100) selon l'une quelconque des revendications 2 à 4, dans lequel au moins une de la pluralité de lampes à semi-conducteur (130) comprend
    - une lentille électro-optique accordable, où le contrôleur (300) est configuré pour délivrer en sortie un signal de commande qui contrôle la lentille électro-optique accordable, ou
    - une diode électroluminescente (LED), où le contrôleur (300) est configuré pour délivrer en sortie un signal de commande qui contrôle cette diode électroluminescente (LED), ou
    - au moins un élément parmi : une lentille fixe, un réflecteur, un diffuseur, un polariseur, un amplificateur de luminosité et/ou un matériau phosphorescent.
  7. Luminaire selon l'une quelconque des revendications 2 à 4, comprenant en outre une lentille électro-optique accordable disposée dans l'ouverture et configurée pour ajuster une distribution de lumière accumulée, où le contrôleur est configuré pour délivrer en sortie un signal de commande qui contrôle cette lentille électro-optique accordable.
  8. Luminaire (100) selon l'une quelconque des revendications 1 à 7, comprenant en outre un ou plusieurs dissipateurs de chaleur (140) disposés sur une surface extérieure du boîtier (110) et couplés à la pluralité de lampes à semi-conducteur (130) via une paroi du boîtier (110).
  9. Luminaire selon l'une quelconque des revendications 1 à 8, comprenant en outre une fenêtre optique disposée à l'intérieur de l'ouverture et comportant un revêtement antiréfléchissant.
  10. Luminaire (100) selon l'une quelconque des revendications 1 à 9, dans lequel le luminaire est configuré
    - en tant que dispositif d'éclairage autonome, ou
    - pour être monté sur une surface de montage, la surface de montage ayant l'ouverture y étant formée, et où la lumière émise par la pluralité de lampes à semi-conducteur (130) traverse l'ouverture formée dans la surface de montage.
  11. Luminaire (100) selon la revendication 10, comprenant en outre une plaque de support couplée au boîtier et disposée de manière adjacente à la surface de montage, la plaque de support comprenant un métal, un composite ou un polymère thermiquement conducteur, et ayant une ouverture y étant formée, laquelle est proportionnelle à l'ouverture formée dans la surface de montage, où la lumière émise par la pluralité de lampes à semi-conducteur traverse l'ouverture formée dans la plaque de support.
  12. Luminaire (100) selon l'une quelconque des revendications 1 à 11, dans lequel la surface intérieure incurvée est une surface interne hémisphérique et/ou le boîtier a une géométrie hémisphérique ou une géométrie hémisphérique aplatie.
  13. Système d'éclairage comprenant :
    une dalle de faux plafond comportant une ouverture y étant formée ;
    un luminaire selon l'une quelconque des revendications 1 à 12 disposé sur la dalle de faux plafond.
  14. Système selon la revendication 13, comprenant en outre une lentille électro-optique accordable disposée dans l'ouverture formée dans la dalle de faux plafond et configurée pour ajuster la distribution de la lumière accumulée.
  15. Système selon la revendication 13 ou la revendication 14, dans lequel le boîtier (110) du luminaire (100) a un rapport largeur/diamètre d'environ 20 cm ± 5 cm (8 pouces ± 2 pouces), et où l'ouverture de la dalle de faux plafond a un rapport largeur/diamètre d'environ 13 cm ± 3 cm (5 pouces ± 1 pouces).
EP14184410.0A 2013-09-20 2014-09-11 Luminaire semi-conducteur avec distribution de faisceau de lumière réglable électroniquement Not-in-force EP2851610B1 (fr)

Applications Claiming Priority (1)

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US14/032,821 US9587805B2 (en) 2013-09-20 2013-09-20 Solid-state luminaire with electronically adjustable light beam distribution

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MX365639B (es) * 2015-04-30 2019-06-10 Hubbell Inc Instalacion de luz de estado solido con controles integrados.
CN107690551A (zh) * 2015-05-29 2018-02-13 奥斯兰姆施尔凡尼亚公司 具有模块化光源和电子可调光束分布的固态泛光灯
CN109764302A (zh) * 2019-01-11 2019-05-17 北京汽车股份有限公司 自适应车辆照明系统和具有其的车辆

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CN104456174A (zh) 2015-03-25
EP2851610A1 (fr) 2015-03-25
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