WO2014180460A1 - Dispositif d'eclairage - Google Patents

Dispositif d'eclairage Download PDF

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Publication number
WO2014180460A1
WO2014180460A1 PCT/DE2014/000219 DE2014000219W WO2014180460A1 WO 2014180460 A1 WO2014180460 A1 WO 2014180460A1 DE 2014000219 W DE2014000219 W DE 2014000219W WO 2014180460 A1 WO2014180460 A1 WO 2014180460A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
light sources
optically active
lighting arrangement
translucent material
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.)
Ceased
Application number
PCT/DE2014/000219
Other languages
German (de)
English (en)
Inventor
Kristina HAHN
Nina Schymczyk
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.)
Paulmann Licht GmbH
Original Assignee
Paulmann Licht GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Paulmann Licht GmbH filed Critical Paulmann Licht GmbH
Publication of WO2014180460A1 publication Critical patent/WO2014180460A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • F21V21/0808—Adhesive means
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
    • E04H6/02—Small garages, e.g. for one or two cars
    • E04H6/06—Small garages, e.g. for one or two cars with means for shifting or lifting vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/22—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/22—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
    • F21S4/24—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape of ribbon or tape form, e.g. LED tapes
    • 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
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • F21V5/10—Refractors for light sources comprising photoluminescent material
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00—Package configurations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/041—Optical design with conical or pyramidal surface
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • 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]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/852—Encapsulations
    • H10H20/853—Encapsulations characterised by their shape
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/852—Encapsulations
    • H10H20/854—Encapsulations characterised by their material, e.g. epoxy or silicone resins
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/882—Scattering means

Definitions

  • the invention relates to a lighting arrangement according to the preamble of claim 1 and to a method for producing such lighting arrangements according to claims 13, 14 and 15.
  • LEDs Light sources
  • LEDs also LEDs (light-emitting diode, light-emitting diode) used. LEDs are characterized by some advantages over conventional incandescent and fluorescent lamps, cf. e.g. DE 10 2009 047 556 Al. For example, LED luminaires today can reach a lifespan of over 100,000 hours. This significantly reduces the time and cost of replacing a light source. Also, the consumed
  • Power can be lowered by using LEDs compared to light bulbs.
  • LEDs are therefore increasingly in flashlights and effect lighting, z.
  • LED strips are mounted in rooms directly on the walls, ceilings or corners to illuminate the surrounding surfaces and thus produce a pleasant indirect lighting.
  • the LED lighting arrangements generally have a body as a background, on which individual LEDs are arranged as light sources. If an LED strip is used as the LED lighting arrangement, the LEDs are usually provided in the longitudinal direction in a row uniformly spaced. The LEDs are with
  • the substrate can be as a board both inflexible, i. rigid and not or hardly destructively flexible, or flexible, i. non-destructive, be formed.
  • the LEDs, electronic circuits and circuit traces are generally covered by a protective layer, such as e.g. a transparent lacquer layer coated to protect them from the environment and also to avoid the conductivity to the environment, but without limiting the possibly existing flexibility of the LED lighting arrangement.
  • the LED lighting arrangement can be arranged within a housing which has a light-permeable protective cover or the like on at least one side.
  • DE 10 2009 047 556 A1 describes an LED lighting arrangement in the form of inflexible LED boards, which can be connected to one another via plugs.
  • This LED lighting assembly has a rigid light pipe that runs parallel to the LED board between the two end cap plugs and surrounds the LEDs from the environment.
  • the light tube may be made of glass, plastic or any other type of suitable clear and translucent material.
  • DE 20 2012 002 594 U l describes room lighting profile arrangements in which inflexible LED boards or flexible LED strips can be provided to illuminate walls, ceilings or the floor, thus producing indirect lighting.
  • For mounting on a flat surface or in a corner or on an edge profiles or other mounting aids are used in which the LEDs are arranged to illuminate the surrounding surfaces directly and so to act on the viewer indirectly.
  • the profiles may have translucent covers that cover the LED board or LED strips from the environment.
  • Component of the body i. of the substrate strip, these are formed
  • Light strips can be arranged in a rigid housing which has the connections on the two end faces and is covered by a transparent cover for protecting the substrate and the LEDs.
  • the lid is made of transparent plastic, is colorless and can act as a lens to direct the light emitted by the LEDs.
  • the object of the present invention is to provide a lighting arrangement in which glare from the light sources when viewed directly is avoided or at least reduced and which is simple and inexpensive to produce and to use.
  • the object is achieved by a lighting arrangement with the features of the characterizing part of claim 1, a method with the features of
  • the present invention relates to a lighting arrangement comprising a body having a plurality of light sources, the light exit direction to at least a certain side of the body, wherein at least a part of the light sources of a
  • the illumination arrangement is characterized in that in the translucent material a plurality of optically active bodies are introduced which are designed for at least partial reflection and / or scattering and / or refraction and / or absorption of the light emitted by the light sources.
  • the body may be any substrate which is suitable for receiving the light sources and the translucent material provided with optically active bodies, and may also be referred to as a base body or base body. Its dimensions can be rectangular, square, round, oval, etc. Also polygonal and curved dimensions are possible. In this case, the body is preferably formed in its thickness rather flat relative to its dimensions in the plane perpendicular thereto. However, bodies with e.g. a round, semicircular, trapezoidal, triangular or square cross-section extending in this form in the longitudinal direction. The body is preferably not electrically conductive.
  • a board is preferably used, in addition to the o.g. Functions also recording, e.g. electrical circuits, components, lines and connections can serve.
  • the body may be both inflexible, i. rigid and not or hardly
  • nondestructive, flexible or flexible i. non-destructive, be formed.
  • materials for an inflexible board paper glass fiber or glass fiber fabric can be used as reinforcement with phenolic resin, epoxy resin, epoxy, di-, tetra-, multi- or BT-epoxy as well as polyimide as matrix.
  • inflexible boards made of Teflon or ceramic can be produced.
  • FR4 is used as the material, i. Glass fiber fabric with di- or tetra-epoxy.
  • the body may also be rendered luminescent, i. phosphorescent.
  • the light sources can be any light sources whose direct viewing can be improved according to the invention.
  • the light sources are preferably LEDs, which are particularly bright and punctiform light sources and their direct viewing is therefore generally perceived as unpleasant.
  • the light sources can emit all light of the same color or different colors. Preferably, all the light sources emit white light.
  • the light sources are arranged at least on a certain side of the body to emit the light substantially away from this side. However, the light sources can also be arranged on several sides of the body, for example on two sides of a triangular cross-sectional profile of the body. The can
  • Light sources completely or partially on the top i. Surface of the specific side of the body, be arranged, or in the body, as long as they still have a light emission to the specific side.
  • Light sources are also considered to be light leaks from the body, e.g. be fed via optical fibers from a light source inside the body or outside the body.
  • the light exit direction may be substantially perpendicular to the surface of the particular side of the body or at a different angle, in particular at a shallow angle, so that the
  • coated translucent material to cover these against the environment while also protecting the environment from the electrical currents in the o.g. electrical elements can flow.
  • translucent material or the specific side of the body and the translucent material also be spaced apart in the vertical direction, e.g. through another material.
  • silicone poly (organo) siloxane
  • polyurethane or epoxy resin can be used as a translucent material. Silicone is a comparatively cheap material, but it turns yellow comparatively fast and becomes brittle. Polyurethane is more expensive, but has a medium durability and better curing. Epoxy resin is comparatively expensive, but offers the comparatively highest durability and best transparency. Also, a translucent acrylic-based material is possible.
  • translucent material can be applied as a layer by spraying, potting, welding,
  • the translucent material may also be formed luminescent, ie
  • the present invention is based on the finding that the beam path of the
  • Light rays that are emitted by a light source can be influenced so n n that the light rays do not dazzle a viewer or less. Therefore, between the light sources of a lighting arrangement and the eye, a viewer is provided with optically effective bodies in the light-transmissive material which are the direct ones
  • Beam path between the light source and the eye of the observer can influence so that this effect is achieved, i. the observer is no longer blinded by the light sources. This can be done by deflecting the beam path of the light emitted by the light source through the surface of an optically active body in one direction (reflection) or multiple directions (scattering) without the light entering or passing through the respective optically active body this passes.
  • the light emitted by the light source when passing through an optically active body can be changed in its beam path so that it no longer reaches the viewer's eye directly after exiting the optically active body (breaking and double or multiple refraction)
  • the light emitted by the light source can also be absorbed by an optically active body so that its beam path in or on the optically active body end et (absorption). In all cases, glare from the light sources is avoided or at least reduced even when viewed directly.
  • optically active bodies can be fixed on the predetermined side of the body on which the light sources are arranged and project into the transparent material or via the light sources without contact with the body in the transparent material and in and / or on the surface of the light-transmissive Be included in the material.
  • the translucent material can partially absorb or completely enclose the optically active bodies.
  • the translucent material has a height opposite the particular side of the body so that the light sources and optically active bodies are covered by a uniformly thick layer with respect to the particular side of the body.
  • the optically effective bodies can be different shapes, sizes, colors,
  • optically active bodies can be used together in a lighting arrangement.
  • the optically active body can be two and / or or
  • the optically active bodies have a size such that they can be recognized by a viewer with the naked eye.
  • the optically active bodies have a size, so that their design, in particular form and / or color, can be recognized by a viewer with the naked eye or can. All or some of the optically active bodies may also be luminescent, i.
  • optically effective body in the translucent layer and in and / or on the surface of the translucent material allows the integral formation of the lighting arrangement according to the invention, so that it can be easily and inexpensively manufactured and used.
  • the optically active bodies can be arranged in the beam path between the light source and the viewer so that they can bring about the effects described above. Are multiple beam paths between a light source and viewer possible because the
  • Light source can be perceived by the viewer from different angles, so can be provided sufficiently many optically effective body in the various potentially possible beam paths in order to achieve effective reduction or avoidance of glare of the observer. This also applies to multiple light sources that can be perceived simultaneously or successively by the viewer.
  • the optically active bodies are arranged so that they are in
  • replacement blade Absorb the light emitted by the light sources emitted light which is emitted substantially perpendicular to the particular side of the body.
  • illumination arrangements are generally used in such a way that they emit their light essentially perpendicular to their surface or the light sources are perceived perpendicular to the surface of the illumination arrangement by the viewer. Therefore, a reduction or avoidance of the observer's glare can be achieved particularly effectively by arranging the optically active bodies essentially in such a way in the light-transmissive material as in and / or on the surface of the light-transmissive material
  • the optically active bodies are arranged in the translucent material to the particular side of the body spaced.
  • optically effective bodies are thus arranged without contact to the surface of the particular side of the body in the light-transmitting material, i.e. "floating."
  • the optically active bodies may additionally or alternatively also be in and / or on the
  • optically active bodies In order to be contained (completely) within the light-transmissive material, optically active bodies can be used that are simple and easy to manufacture
  • optically active bodies in this case must have approximately the specific weight of the light-transmitting material. Furthermore, the geometry and material of the optically active bodies must be matched to the translucent material and processing method, e.g. to the nozzle diameter on spraying or its solubility in e.g. Resins. In this case, comparatively small particles are used, so that the translucent material in this nature and consistency due to the size of the particles contained in it can also be referred to as emulsion or dispersion. Alternatively or additionally, larger optically active bodies may also preferably be contained in the light-transmitting layer, which then
  • replacement blade can subsequently be introduced in a further manufacturing step in the applied translucent layer and the outer surface, for example by pressing, rolling, rolling, etc.
  • the translucent material may in this nature and consistency due to the size of the particles contained in it as a suspension or mixture be designated.
  • the optically active bodies may be particles which serve for the color change and / or clouding (attenuation) of the light-transmissive material in order, overall, preferably uniformly, to reduce the light penetration of the light-transmitting layer by absorption and thereby reduce the glare of the observer. In this way, a diffuse light propagation is achieved.
  • the translucent material is preferably colored white, so that the light loses only its glare effect or is reduced in this, but its brightness is reduced as little as possible. Also, the color of the light emerging from the translucent layer may be higher than that of FIG.
  • Light source emitted light can be selectively changed, with both monochrome as well as different colored changes are possible.
  • colorations in, for example, opal, gold, amber, multicolor, terracotta, satin or rose are also possible
  • optically active bodies can be contained in the transparent layer and its outer surface, which can be refracted or refracted respectively.
  • optically active bodies are preferably made larger than the previously besch rub particles.
  • Optically effective bodies can be used here, which can be recognized as individual objects by the observer, so that the optical effects caused by them, e.g. Reflection by the viewer can be consciously perceived to give the lighting arrangement an additional decorative effect.
  • the light-transmitting material is preferably to be designed such that the illumination function of the light sources is not reduced or as little as possible.
  • the translucent material is considered to be completely translucent, i. clear and colorless, formed and the optically active body incorporated herein and / or in and / or on the surface of the translucent
  • optically active bodies can be contained in the light-transmissive material during manufacture and applied to the body with it or subsequently into the already applied but not yet (completely) cured translucent material, for example by sprinkling, rolling up or rolling in, pressing in etc. are inserted.
  • an embossing of refractive crystalline structures as optically active body in the surface of the completely transparent translucent material an additional refraction of
  • Beam paths take place, e.g. the already performed refractions complemented by the other optically active body.
  • particles may be incorporated as optically active bodies in the surface of the light-transmissive layer, e.g. by rolling the applied but not yet fully cured
  • the optically active bodies are in this way in the direct beam path between the light source and the viewer and the light source for the observer can completely or at least partially obscure. Also, the entire surface of the optically effective body is exploited to reduce the glare, whereby the beam path-changing effect of the optically active body is optimally utilized. Furthermore, beam paths can be changed again after their first change of further optically active bodies, which can further reduce the glare of the observer.
  • the optically active bodies are arranged fixed to the particular side of the body.
  • optically active bodies can be applied to the body before the application of the light-transmitting material. This can be done as a cohesive as well as positive and / or non-positive by mechanical connections, for example by sticking, printing, embossing,
  • the individual optically active bodies have a maximum width which corresponds to the maximum width of the predetermined side of the body.
  • optically active bodies may also be luminescent, i.
  • the optically active bodies have a secure hold on the predetermined side of the body. They also assume predefined positions during production, so that their effect on the beam path of the light sources can be determined not only by their design but also their positioning on the predetermined side of the body.
  • the optically active bodies are formed two-dimensionally and / or three-dimensionally.
  • a two-dimensional optically active body is understood to mean one whose expansions extend essentially in two spatial directions, i. e.g. flat platelets of different geometry, in particular basic geometrical shapes, such as triangular, rectangular, square, round, oval, polygonal, star-shaped, etc.
  • a three-dimensional body has significant dimensions in all three spatial directions, wherein these can be dimensioned differently. Again, different geometries such as cuboid, sphere, cone, pyramid, etc. are possible.
  • both the two-dimensional and the three-dimensional optically effective bodies can be creative freeforms in abstract, natural or artifact-like design as well as decorative motifs such as e.g. Hearts, stars, dots, flowers, animals, dinosaurs, cars, pirate heads, garlands, single crystals, etc., which in addition to the physical effect according to the invention can also have a design effect for the viewer. All or some of the optical elements
  • replacement blade effective body can also be formed luminescent, ie phosphorescent. In both cases, by such optically active body influencing the
  • the lighting arrangement is a lighting strip.
  • a strip By a strip is meant that the lighting assembly has a small height (thickness, thickness), i. is flat, and in the plane has an extension (length, longitudinal direction) which is significantly greater than the other spatial direction (width, transverse direction). Such a geometry can also be described as narrow.
  • Such lighting strips are particularly suitable for use in illuminating elongated objects such as e.g. Edges and corners of rooms, pieces of furniture and the like.
  • such lighting arrangements are implemented by means of LEDs and referred to as LED strips.
  • the lighting strips can on
  • predetermined locations e.g. by cutting to adjust their length to the desired application.
  • the body is flexible. Flexibility in this context means that the body is flexible without breaking or being damaged.
  • the body can be used both because of its dimensioning, i. Thickness and height and width, as well as its material to be designed so flexible that a flexible use of the lighting arrangement, e.g. on curved surfaces or around corners and edges of e.g. Rooms and furniture etc. is possible. In other words, such a lighting arrangement is
  • a lighting strip designed such that it can be applied consistently around curves and across corners. Also, the
  • Lighting arrangement preferably be applied simultaneously curved in its course in the transverse direction, i. in serpentine lines, curves etc.
  • preferably thin and narrow bodies are used.
  • the lighting arrangement is a lighting module, which is designed to be connected by means of plug-in connections with further lighting modules.
  • Lighting arrangement with e.g. a single electrical energy source to be joined together.
  • plug connections are to be provided on the individual modules, which not only make the modules mechanically connectable to one another but also make them electrically conductively connectable, so that e.g. several lighting modules can be connected in series and operated in series. This increases the flexibility of the use of the lighting arrangement, since finished modules can be easily and safely combined for concrete applications by plugging together.
  • part of the light sources are LEDs. It is advantageous that LEDs have a long life and a comparatively low consumption of electrical energy. They can also be easily and inexpensively manufactured and applied to bodies such as e.g. Boards are applied.
  • Lighting arrangements may preferably be used as LED strips, which are usually sold as rolls and connected to e.g. Walls, ceilings, floors of rooms can be applied as lighting elements. Also, they can be used on or in pieces of furniture, etc. for this purpose.
  • the individual LEDs are via printed conductors and possibly. Electronic components such. Resistors connected together.
  • the body preferably has a self-adhesive coating on a side facing away from the specific side of the body, preferably on the side opposite the specific side of the body.
  • the plurality of light sources comprise at least one light source emitting light of a first color and at least one light source emitting light of a second color.
  • Conductor guide required, which allows the electrical supply of two separate and alternately operable LEDs on the same body.
  • the surface of the light-transmissive material is formed for at least partial reflection and / or scattering and / or refraction and / or absorption of the light emitted by the light sources.
  • the optical effects of the optically active bodies can be enhanced by a corresponding design of the surface of the light-transmitting material with respect to the same optical effects and / or complemented by other optical effects.
  • an additional design element can be introduced into the illumination arrangement by means of dichroic-metallic vapor deposition of the upper side of the light-transmitting material.
  • this also relates to a method for producing a lighting arrangement as described above with at least the steps:
  • Light emission direction to at least one specific side of the body shows
  • replacement blade reflect and / or scatter and / or break and / or absorb.
  • translucent material is made by the admixture of the optically active bodies in the translucent material, i. by the amount of the optically active bodies admixed. Furthermore, the choice of the type of optically active bodies can have an influence on the properties of the finished product. Also, various embodiments of optically active bodies may be mixed together with the light-transmissive material. In this way, the previous production of such lighting arrangements can be maintained and supplemented only by the admixture of optically active body.
  • this also relates to a method for producing a lighting arrangement as described above with at least the steps:
  • Light emission direction to at least one specific side of the body shows
  • replacement blade Application can be done, for example, by gluing, printing, embossing, labeling, laying, electrolytic coating or processing in multi-layer processes.
  • this also relates to a method for producing a lighting arrangement as described above with at least the steps:
  • Light emission direction to at least one specific side of the body shows
  • Lighting arrangement remains largely unchanged. This simplifies the implementation of this process and reduces the cost of manufacturing. So can the
  • Lighting arrangement as usual be covered with a translucent material. Subsequently, either optically active bodies e.g. by sprinkling, indenting, curling etc. in or on the surface of the translucent material are introduced. Alternatively or additionally, the surface can also be processed, e.g. by grinding, cutting etc. in order to introduce desired structures here. Also, the surface of the translucent material may not yet be completely finished
  • spare aphid transparent material is followed by application and / or introduction of optically effective bodies.
  • FIG. 1a is a perspective schematic representation of a lighting arrangement according to a first embodiment
  • Fig. Lb is a cross-section through the illumination arrangement of Fig. La;
  • FIG. 2a is a perspective schematic representation of a lighting arrangement according to a second embodiment
  • FIG. 2b shows a cross section through the illumination arrangement of Fig. 2a
  • FIG. 3a shows a perspective schematic representation of a lighting arrangement according to a third embodiment
  • FIG. 3b shows a cross section through the illumination arrangement of FIG. 3a
  • FIG. 4a shows a perspective schematic representation of a lighting arrangement according to a fourth embodiment
  • FIG. 4b shows a cross section through the illumination arrangement of FIG. 4a
  • FIG. 5a shows a perspective schematic representation of a lighting arrangement according to a fifth embodiment
  • FIG. 5b shows a cross section through the illumination arrangement of FIG. 5a
  • FIG. 6a is a perspective schematic representation of a lighting arrangement according to a sixth embodiment
  • FIG. 6b shows a cross section through the illumination arrangement of FIG. 6a
  • FIG. 7a is a perspective schematic representation of a lighting arrangement according to a seventh embodiment
  • FIG. 7b shows a cross section through the illumination arrangement of FIG. 7a
  • FIG. 8a is a perspective schematic representation of a lighting arrangement according to an eighth embodiment.
  • FIG. 8b shows a cross section through the illumination arrangement of FIG. 8a.
  • FIG. 1 a shows a perspective schematic representation of a lighting arrangement 1 according to a first exemplary embodiment.
  • Fig. Lb shows a cross section through the
  • the illumination arrangement 1 has a body 10 which extends substantially in a longitudinal direction X (length) and in which
  • Transverse direction Y (width) and the height Z has comparatively small dimensions, so that the lighting arrangement 1 can also be referred to as lighting strip 1.
  • the body 10 is formed as a circuit board 10 and has at its two ends in the longitudinal direction X in each case a plug 11 or plug connection 11 in order to further
  • a plurality of LEDs 13 are arranged as light sources 13, so that the
  • Lighting strip 1 can also be referred to as LED strip 1.
  • the LEDs 13 and the plug 11 or plug connection 11 are electrically conductively connected to one another via electrical lines (not shown).
  • the LEDs 13 are covered with a translucent material 15, so that the LED strip 1 in the height Z has a total extent in which the thickness of the transparent material 15 exceeds the thickness of the board 10, in particular by at least twice.
  • the board 10 On its underside 14, the board 10 has a self-adhesive coating for mounting the LED strip.
  • the LED strip 1 has a plurality of optically active bodies 16, which lead to a turbidity or coloration of the light-transmitting material 15.
  • the optically effective body 16 are formed as particles 16 so small that they form a kind of emulsion or dispersion together with the light-transmitting material 15.
  • the size of the particles 16 in FIGS. 1 a, 1 b merely serves to illustrate the drawing and does not correspond to the actual size of the particles 16.
  • the particles 16 are white, for example, like the light emitted by the LEDs 13, so that only that of the LEDs 13 emitted light through the particles 16 clouded by absorption and thereby reduces glare of the observer or even avoided, however, the brightness of the LEDs 13 is minimized as possible.
  • FIG. 2 a shows a perspective schematic illustration of a lighting arrangement 1 according to a second exemplary embodiment.
  • FIG. 2b shows a cross section through the illumination arrangement 1 of FIG. 2a.
  • the optically effective bodies 17 are larger than the particles 16 of the first embodiment and can be recognized by the viewer with the naked eye also in terms of their shape and or or color.
  • the optically active bodies 17 are designed such that reflections, scatters and / or refractions can occur on them.
  • the optically active bodies 17 may be formed as diamond-shaped platelets 17, ie flat two-dimensional bodies 17, of metallic material in order to diversely deflect the beam paths of the light emitted by the LEDs 13 by means of reflections on their surfaces and thus glare the light
  • FIG. 3a shows a perspective schematic illustration of a lighting arrangement 1 according to a third exemplary embodiment.
  • Fig. 3b shows a cross section through the
  • the optical active bodies 18 are provided as versatile bodies 18 mounted on the surface 12 of the board 10. They also lead to a reduction or even reflections on their surfaces
  • FIG. 4 a shows a perspective schematic illustration of a lighting arrangement 1 according to a fourth exemplary embodiment.
  • Fig. 4b shows a cross section through the
  • Illumination arrangement 1 of Fig. 4a the optically effective body 18 are fixed on the surface 12 of the board 10 by imprint. As a result, they are comparatively flat, but preferably nevertheless formed increased in relation to the surface 12 of the circuit board 10.
  • the shape and arrangement of the optically effective body 18 may preferably be used to form patterns or lettering.
  • the optically active bodies 18 are also capable of effecting the optical effects described above in this embodiment.
  • the printing is a simple and inexpensive production method, which offers a great deal of flexibility in the design of the imprint and thus the additional decorative effect of the optically active body 18.
  • replacement blade 5a, 6a, 7a and 8a each show a perspective schematic representation of a lighting arrangement 1 according to a fifth, sixth, seventh or eighth
  • FIGS. 5b, 6b, 7b and 8b each show a cross section through the illumination arrangement 1 of FIGS. 5a, 6a, 7a and 8a, respectively.
  • the surface 19 of the light-transmissive material 15 by their own design and / or the addition of optically active bodies 20 each designed so that here the same optical effects as in the various optically active bodies 16, 17, 18 may occur ,
  • the surface 19 of the light-transmitting material 15 is crossed by a zig-zag pattern both in the longitudinal direction X and in the transverse direction Y, so that facets or prisms form in the surface 19.
  • a zigzag pattern runs only in the transverse direction Y (longitudinal prism), so that in each case refractions result in these spatial directions.
  • FIGS. 7a, 7b, 8a and 8b show an embodiment of the surface 19 of the light-transmitting material 15 in combination with the imprint of optically active bodies 18 of the fourth
  • Embodiment (see Fig. 4a, 4b).

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne un dispositif d'éclairage (1) présentant un corps (10) doté d'une pluralité de sources lumineuses (13) dont la direction de sortie de la lumière est dirigée vers au moins une face (12) déterminée dudit corps (10), au moins une partie des sources lumineuses (13) étant revêtues d'un matériau translucide (15). Le dispositif d'éclairage (1) se caractérise en ce qu'une pluralité de corps optiquement actifs (16, 17, 18, 20) sont introduits dans le matériau translucide (15), lesdits corps étant conçus pour assurer au moins en partie la réflexion et/ou diffusion et/ou réfraction et/ou absorption de la lumière émise par les sources lumineuses (13). Le corps (10) est conçu flexible. Sur une face opposée (14) à la face déterminée (12) du corps (10), de préférence sur la face opposée (14) à la face déterminée (12) du corps (10), ce dernier présente un revêtement autoadhésif.
PCT/DE2014/000219 2013-05-06 2014-04-29 Dispositif d'eclairage Ceased WO2014180460A1 (fr)

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DE102013007641.2A DE102013007641A1 (de) 2013-05-06 2013-05-06 Beleuchtungsanordnung
DE102013007641.2 2013-05-06

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WO2014180460A1 true WO2014180460A1 (fr) 2014-11-13

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FI11865U1 (fi) * 2017-06-13 2017-11-22 Flexbright Oy Valaiseva rakenne
FR3089275B1 (fr) * 2018-11-29 2022-12-02 Linxens Holding Dispositif lumineux

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