EP4392710A1 - Optisches element sowie damit ausgestattete leuchte - Google Patents
Optisches element sowie damit ausgestattete leuchteInfo
- Publication number
- EP4392710A1 EP4392710A1 EP22814460.6A EP22814460A EP4392710A1 EP 4392710 A1 EP4392710 A1 EP 4392710A1 EP 22814460 A EP22814460 A EP 22814460A EP 4392710 A1 EP4392710 A1 EP 4392710A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- optical element
- section
- optical system
- optical
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/043—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures mounted by means of a rigid support, e.g. bracket or arm
-
- 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
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements
- F21Y2105/14—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements characterised by the overall shape of the two-dimensional [2D] array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements
- F21Y2105/14—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements characterised by the overall shape of the two-dimensional [2D] array
- F21Y2105/16—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements characterised by the overall shape of the two-dimensional [2D] array square or rectangular, e.g. for light panels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2113/00—Combination of light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Definitions
- the present invention relates to an optical element for influencing the light emitted by light sources, and a luminaire which has such an optical element and light sources for emitting light into the optical element.
- the “pair” is preferably a structurally recognizable unit and not purely due to the virtual separation of two components from a large number of components of the same type.
- the optical system elements can each be designed in such a way that the first light beams and/or the second light beams, after they have been totally reflected at the deflecting surface section, then leave the optical element directly (i.e. preferably without further deflection in the optical element) via the front surface section.
- the optical path of the light through the optical element can thus be optimized and in particular shortened, which in turn leads to a reduction in the scattered light, an improvement in the glare control and finally a particularly homogeneous light emission.
- the deflecting surface section can preferably have at least one first deflecting section, which is used for the total reflection of the first light beams. The light guidance of the first light beams can thus be provided in an optimized manner by providing the first deflection section in a defined manner.
- the deflecting surface section can preferably have at least one second deflecting section, which is used for the total reflection of the second light beams. In this way, the light guidance of the second light beams can also be provided in an optimized manner by providing the second deflection section in a defined manner.
- the first deflection section and the second deflection section can preferably be provided structurally separately.
- the two deflection sections can be designed and provided in an optimized manner according to their requirements and the desired direction of light, independently of the other deflection section in each case. This leads to highly effective light control and high lighting efficiency.
- Said part of the deflecting surface section can preferably at least partially laterally surround the light entry area, preferably flank the light entry area on both sides along the offset direction or offset axis, or even surround the light entry area closed on the side.
- the optical system elements can each have two wing sections. These wing sections, which preferably serve as light directing sections, enable good and effective light guidance for homogeneous light emission with good glare control and high efficiency at the same time. Due to the multiplication of the optical system elements compared to the known optical elements (e.g. EP 3 084 496 B1), a compact design and thus an overall steeper wing section can be provided, which further promotes the positive effects described above.
- one of the second decoupling sections can be provided at an end of the respective wing section facing away from the light entry area.
- the corresponding light emission surface can thus be provided in a correspondingly exposed manner, which on the one hand leads to optimal light guidance and sufficient homogeneity of the light emission, and on the other hand to an aesthetic appearance of the optical element.
- one of the second deflection sections can be provided on a rearward-pointing flank of the respective wing section. These can thus also be provided in an optimized manner and, for example, be provided correspondingly angled with respect to a vertical axis of the optical element in order to be optimally aligned for total reflection.
- the depression can preferably taper towards the light entry area. This leads to an overall compact design with good light guidance and high efficiency at the same time.
- the optical element can preferably also have an optical edge, preferably an optical edge that is closed all the way around, which extends away from the rear side in order to project beyond the light entry areas on the rear side—preferably parallel to the vertical axis.
- the optics edge together with at least part of the rear side, preferably delimits an optics space in which all light entry areas of the optical element are arranged and in which the light sources can preferably also be arranged.
- this optics edge can laterally close the optical element at least partially or completely to the outside; this is closed at least on both sides in the direction of the offset axis or circumferentially.
- the edge of the optics can optionally serve to absorb and preferably emit stray light in a defined manner, which in turn further increases the glare control of the optical element and its efficiency.
- the edge of the lens can serve to protect the light sources; all the more so if they can be or are completely accommodated in the optics space.
- the edge of the optics can also serve to abut or receive a sealing element, in order to seal off the optics space by abutting the seal against a component of a lamp, such as a lamp housing.
- a corresponding function can thus be provided in an integral manner, which both simplifies production and improves handling and assembly as well as the functionality of the optical element.
- the optical element can preferably have several of the pairs of optical system elements, which are then arranged in series along a longitudinal axis in such a way as to form an elongate optical element with two rows of optical system elements.
- a left-hand optical system element is arranged in series with all left-hand optical system elements of the pairs of optical system elements
- a right-hand optical system element is arranged in series with all right-hand pairs of optical system elements.
- the respective light entry areas can also be arranged in one row for each optical system element—thus in two preferably parallel rows.
- An elongate optical element can thus be provided, so that the optical function, the homogeneity and the high degree of efficiency can also be transferred to elongate lights.
- the multiple pairs of optical system elements are preferably all formed integrally with one another.
- the pairs of optical system elements if present, can preferably be formed integrally with one another via their wing sections.
- the optical element can therefore have two oblong and, for example, V-shaped and longitudinally extending wing sections which, viewed along the longitudinal axis, have, for example, corresponding light entry areas or lens pots distributed, in order to provide the pairs of optical system elements arranged in a row.
- An elongate optical element that is easy to produce and has the highest functionality can thus be provided.
- the present invention also relates to a lamp with an optical element according to the invention of the type described above and, for each light entry area, another light source, which are arranged in such a way that the light from the respective light source is influenced by the optical element via the associated light entry area can occur in the associated optical system.
- a lamp is provided with all the advantages of the optical element equipped with it, which enables a particularly high degree of efficiency with good anti-glare and highly homogeneous light emission.
- the light entering via the distributed light sources per light entry area then passes through the optical element with the corresponding first and second light beams and optionally the third light beams, in order consequently to leave the optical element at least partially via the front surface section, as described above.
- the light sources to be provided for the optical element or provided for the lamp can preferably have LEDs. These can then be provided accordingly as an LED module on a printed circuit board. It is conceivable that, for example, the LEDs of a pair of Optical system elements are provided on a common circuit board. It is also conceivable that the LEDs, for example, of a row of optical system elements of an elongate optical element are provided together on one or more elongate printed circuit boards. It is also conceivable that, for example, several LEDs of several optical system elements of several pairs of optical system elements and preferably all LEDs of an (elongated) optical element or a lamp are provided together on a printed circuit board. Thus, the lamp can be equipped with appropriate light sources in any way.
- the lamp preferably also has a lamp housing, in which both the light sources and at least partially the optical element can be inserted and held. In this way, the lamp can be made available in a way that is easy to handle.
- the light sources can preferably be accommodated in a lamp space formed by the lamp housing and the optical element and preferably sealed, which particularly preferably also includes the optics space.
- the optical edge can serve, for example, to support a corresponding sealing element, which preferably seals the optical element in a closed manner with respect to the luminaire housing.
- FIG. 1 shows a perspective rear view of an optical element according to a first exemplary embodiment of the present invention
- FIG. 3 shows a rear view of the optical element according to FIG. 1,
- FIG. 5 shows a cross-sectional view of the optical element along section line BB (along the longitudinal axis) according to FIG. 3
- FIG. 6 shows a cross-sectional representation of a lamp according to the invention with the optical element according to the invention according to FIG. 4 with an exemplary representation of first, second and third light beams, and
- FIG. 7 shows a cross-sectional representation of the lamp according to the invention according to FIG. 6 with further components.
- the figures show an optical element 1 according to the invention for influencing light emitted by light sources 7 of a lamp 100, as well as a lamp 100 equipped therewith in FIGS shown in Figures 6 and 7, on a - can be provided printed circuit board 71 - here common.
- the deflecting surface section 5 can have at least one first deflecting section 51.
- This first deflection section 51 is used for the total reflection of the first calibration beams El.
- the deflecting surface section 5 can have at least one second deflecting section 52 .
- This second deflection section 52 is used for the total reflection of the second calibration beams E2.
- the first deflection section 51 and the second deflection section 52 are preferably provided structurally separately; they can therefore be recognized in defined and structurally separate areas, as is shown by way of example in the figures.
- the front-side surface section 6 preferably has an optics section 60, which is used for the total reflection of the second light beams L2, as shown by way of example in FIG.
- the optics section 60 and the first decoupling section 61 preferably at least partially overlap or, as shown in FIG. 6 by way of example, are even identical.
- the recess 40 can be delimited laterally by at least one side wall section 42 . As shown in FIG. 6, the recess 40 can particularly preferably be delimited laterally by at least two side wall sections 42 provided on opposite sides in the offset direction VR. In a particularly preferred embodiment, the recess, as shown in FIG.
- each of the optical system elements 10 can have a lens cup 8 on its rear side 2 which has the light entry area 4 and at least part of the deflecting surface section 5 or the first deflecting section 51 .
- the part of the deflecting surface section 5 or the first deflecting section 51 can at least partially surround the light entry area 4 laterally, as can be seen in particular in FIG.
- the part of the deflecting surface section 5 or the first deflecting section 51 can preferably flank the light entry area 4 on both sides along the offset direction VR or offset axis V or even, as shown in FIG.
- one of the first decoupling sections 61 or one of the optics sections 60 can be provided on a forward-pointing flank 96 of the respective wing section 9 (see, for example, FIG. 6).
- One of the second deflection sections 52 can be provided for each wing section 9 on a rearward-pointing flank 95 of the respective wing section 9 (see, for example, FIG. 6).
- one of the wing sections 9 can extend towards the other optical system element 10 of the pair of optical system elements 10, while the other of the two wing sections 9 extends away from the respective other optical system element 10 of the pair of optical system elements 10, as is shown in FIGS 1, 2, 4, 6 and 7, where there are two wing sections 9 directed towards each other (here in the middle of the optical element 1) and two wing sections 9 ( here the right and left outer wing sections 9 of the optical element 1) are shown.
- the optical system elements 10 of the pair of optical system elements 10 can be formed integrally with each other via one of the wing sections 9, here for example the respective one wing section 9, which are directed towards one another here.
- the integral connection is preferably in a small area, preferably close to the front side 3 .
- the front-side surface section 6 can have a recess 11 for each optical system element 10, which is directed towards the associated light entry region 4.
- the depression 11 can, as shown, preferably taper towards the associated light entry area 4 .
- the recess 11 can preferably through the two Wing sections 9 or their forward-facing flanks 96 flanked laterally.
- the depression 11 is preferably delimited by the first decoupling section 61 or the optics section 60 .
- the optical system elements 10 of a pair of optical system elements 10 are preferably designed to be mirror-symmetrical to one another. Consequently, the pair of optical system elements 10 can be (mirrored) symmetrical; this preferably with respect to a plane of symmetry S separating it, which is preferably oriented parallel to the vertical axis H of the optical element 1 or the main emission direction R of the light sources 7 .
- the optical element 1 can also have an optical edge, which extends away from the rear side 2 in order to protrude beyond the light entry areas 4 at the rear, as can be seen in FIGS. 4 and 6, for example.
- the optics edge 12 can laterally delimit or flank the optics space 13 on both sides of the pair of optics system elements 10 .
- the optics edge 12 can preferably also be closed all the way around the sides; consequently limit the optics space 13 laterally circumferentially.
- the light sources 7 can preferably be accommodated in a lamp space 113 formed by the lamp housing 101 and the optical element 1 and preferably sealed.
- a seal 102 can be provided between the optical element 1—in particular its optical edge 12 on the one hand and the lamp housing 101 on the other—in order to provide the lamp 100 according to a defined IP protection class.
- the lamp 100 shown here is, for example, a so-called bar lamp, which can be used in a lamp system 200 with an elongated lamp support rail 202 .
- bar lights usually have an elongated extension of mostly 500 mm in length and can be arranged in any number to form an elongated light band in series and possibly interrupted by other electronic components on the lamp support rail 202.
- Such a lighting system 200 is shown as an example in cross section in FIG.
- the lamp 100 can have mechanical coupling elements (not shown) and/or electrical coupling elements 205, for example.
- the electrical coupling elements 205 are electrically connected or can be connected to the light source 7 or the LED module 70 and are used for selectively electrically coupling electrical lines 201 of the lighting system 200.
- the lighting system 200 has a lighting mounting rail 202 with im Substantially U-shaped cross section.
- the electrical coupling element 205 can be inserted into an interior space 204 of the lamp support rail 202 via the lateral (here lower) opening 203 formed by the U-shaped cross section.
- the electrical coupling element 205 can be designed, for example, as a so-called “rotary toggle”, as is known, for example, in the “TECTON” system offered by the applicant. After the rotary knob 205 has been inserted into the lamp support rail 202, the electrical contacts are swiveled out laterally by rotating the rotary knob 205 in order to be electrically contacted with the conductors 201 of the conductor rail lying laterally therefrom.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21208173.1A EP4180712A1 (de) | 2021-11-15 | 2021-11-15 | Dichtrahmen für leuchtenoptik |
| DE102022110370.6A DE102022110370A1 (de) | 2021-11-15 | 2022-04-28 | Optisches Element sowie damit ausgestattete Leuchte |
| PCT/EP2022/081885 WO2023084101A1 (de) | 2021-11-15 | 2022-11-15 | Optisches element sowie damit ausgestattete leuchte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4392710A1 true EP4392710A1 (de) | 2024-07-03 |
Family
ID=84367123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22814460.6A Pending EP4392710A1 (de) | 2021-11-15 | 2022-11-15 | Optisches element sowie damit ausgestattete leuchte |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US12404988B2 (de) |
| EP (1) | EP4392710A1 (de) |
| WO (1) | WO2023084101A1 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012028155A (ja) | 2010-07-23 | 2012-02-09 | Stanley Electric Co Ltd | 車両用灯具ユニット |
| DE102012205067A1 (de) | 2012-03-29 | 2013-10-02 | Zumtobel Lighting Gmbh | Anordnung zur Lichtabgabe |
| DE102013226181B4 (de) | 2013-12-17 | 2021-01-28 | Zumtobel Lighting Gmbh | Optisches Element, sowie Anordnung zur Lichtabgabe |
| DE102014202461A1 (de) * | 2014-02-11 | 2015-08-13 | Zumtobel Lighting Gmbh | Längliche mehrteilige Linsenanordnung sowie Leuchte mit einer solchen Linsenanordnung |
| CA2982248A1 (en) * | 2015-04-17 | 2016-10-20 | Hubbell Incorporated | Luminaire |
| DE102017125230A1 (de) * | 2017-10-27 | 2019-05-02 | Siteco Beleuchtungstechnik Gmbh | Linse, linsenanordnung und leuchtmodul |
-
2022
- 2022-11-15 EP EP22814460.6A patent/EP4392710A1/de active Pending
- 2022-11-15 WO PCT/EP2022/081885 patent/WO2023084101A1/de not_active Ceased
- 2022-11-15 US US18/695,927 patent/US12404988B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20250116389A1 (en) | 2025-04-10 |
| WO2023084101A1 (de) | 2023-05-19 |
| US12404988B2 (en) | 2025-09-02 |
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