EP2981760A1 - Led-modul, leuchte mit einem solchen und verfahren zur beeinflussung eines lichtspektrums - Google Patents
Led-modul, leuchte mit einem solchen und verfahren zur beeinflussung eines lichtspektrumsInfo
- Publication number
- EP2981760A1 EP2981760A1 EP14717999.8A EP14717999A EP2981760A1 EP 2981760 A1 EP2981760 A1 EP 2981760A1 EP 14717999 A EP14717999 A EP 14717999A EP 2981760 A1 EP2981760 A1 EP 2981760A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- leds
- light
- led module
- led
- luminaire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001228 spectrum Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000000295 emission spectrum Methods 0.000 claims abstract description 52
- 230000003595 spectral effect Effects 0.000 claims description 18
- 230000005855 radiation Effects 0.000 claims description 13
- 241000894007 species Species 0.000 claims description 10
- 230000035945 sensitivity Effects 0.000 claims description 6
- 230000004313 glare Effects 0.000 claims description 5
- 238000009877 rendering Methods 0.000 claims description 5
- 241001465754 Metazoa Species 0.000 claims description 2
- 230000000670 limiting effect Effects 0.000 claims description 2
- 230000004913 activation Effects 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 description 58
- 239000003086 colorant Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-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
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- 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
- F21V7/0008—Reflectors for light sources providing for indirect lighting
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
-
- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional 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]
Definitions
- the invention relates to an LED module, a luminaire with such an LED module and a method for influencing a light spectrum.
- a light spectrum or color spectrum is a part of the electromagnetic spectrum that can be perceived by the human eye without any further technical aids.
- Such a light spectrum is composed of emitted or reflected spectral colors of a corresponding light source or of light sources.
- a light source emits light with a specific frequency spectrum or corresponding spectral distribution, the corresponding frequencies of the light determining its color.
- Corresponding artificial light sources differ in color, brightness, etc., with a visible portion of the light spectrum having a wavelength in the range of about 380 to 780 nm and frequencies in the range of about 3.8 x 10 14 to 7.9 x 10 14 Hz, respectively .
- many light sources usually give off a light spectrum as a combination of different individual colors that lead in the eye of a viewer to a total color impression or a mixed color.
- Such a light color corresponds to a color impression of the light, which comes directly from a corresponding self-luminous light source. The light color depends on the spectral composition of this radiation.
- the color rendering index is a photometric quantity that describes the quality of the color reproduction of light sources of the same correlated color temperature.
- the color rendering index is "100" when a corresponding artificial light source perfectly reproduces the spectrum of a blackbody having the same color temperature in the range of visible wavelengths.
- LED light sources that consume little energy while having a long life.
- Corresponding LEDs generally generate a substantially monochromatic radiation, wherein the hue of the corresponding LED light is dominated by the dominant wavelength of the corresponding radiation.
- LEDs in different colors such as red, orange, yellow, green or even blue.
- white LEDs which typically use a conversion layer to actually convert blue light generated by the LED into white light. Such conversion layers are also known from fluorescent lamps.
- a corresponding emission spectrum of an LED is relatively narrow-band, wherein, see the preceding statements, a corresponding dominant wavelength and thus the color of the light is dependent on the materials used to produce a corresponding semiconductor crystal of the LED.
- LED light contains no UV or IR radiation.
- LEDs are preferably manufactured as LED modules. These are very flat and have a plurality of LEDs on a support, wherein such a support can also be flexible.
- the carrier may be a printed circuit board equipped with appropriate wiring and / or with electronic components for actuating the LEDs.
- DE 10 2010 033 141 describes a luminaire in which the generated light is influenced with respect to spectral sensitivities of different species.
- a light source of such a lamp for example, a previously described LED module or more of these is used.
- a filter device is used which at least partially filters out one or more specific spectral regions of the emitted light. This will filtered or at least attenuated spectral regions in which certain species and in particular animals have a higher sensitivity and in which spectral regions these species are optionally adversely affected. It is of course also conceivable that the spectral range of the light to be emitted is selected such that it positively influences one or more species.
- the corresponding lamp can be used for example for street lighting or for lighting sidewalks or even in a lighting in parks or the like.
- a corresponding filter device in the luminaire housing or in the region of a light exit opening of the lamp housing is arranged.
- D. h. The influence of the corresponding light spectrum or color spectrum of the light source is effected by an additional device. Disadvantage of such a device is that a portion of the light is retained, and therefore the effectiveness of the entire lighting system is reduced. In other words, when filtering, the radiant power or radiant intensity decreases compared to a luminaire without filtering with the same power supply.
- the invention is therefore based on the object to allow influencing the light or color spectrum without reducing the radiant power or radiant intensity in a simple manner, without major structural changes or additional installations are to make in a corresponding lamp.
- the LED module is distinguished by the fact that the number and color of the LEDs can be selected to emit a total light emission spectrum composed of the individual light emission spectra of each LED. This means, for example, that two red LEDs, three green LEDs, four blue LEDs and two yellow LEDs operate together. ben to compose from the corresponding individual light emission spectra a total light emission spectrum, which has the desired course.
- the corresponding luminaire has at least one LED module, and several such modules can be used. Furthermore, such a luminaire has at least one luminaire housing, a light exit opening formed in the luminaire housing, and a glare limitation device. By this, the exit of the light from the light exit opening of the lamp is limited to a certain range, for example, to reduce a glare of the lamp.
- the corresponding light color of the light emitted by the light is influenced in such a way that a multiplicity of LEDs are arranged at least in one row and / or one column on a corresponding LED module.
- Each of the LEDs emits light according to a single light emission spectrum, with the individual spectra of all the LEDs superimposing on a total light emission spectrum giving the light spectrum of the light source of the corresponding light.
- each LED is designed to emit a substantially monochromatic light radiation.
- the corresponding individual light emission spectrum of each LED is known per se or at least detectable beforehand. LEDs with different monochromatic light radiation are then arranged together on the corresponding LED carrier and, by superimposing the individual light emission spectra on a total light emission spectrum, the correspondingly desired light spectrum of the light source results.
- LEDs with the same monochromatic light radiation are each arranged on a submodule of the LED module.
- the LEDs are arranged relatively close to each other, so that even at a small distance and optionally with the aid of appropriate reflection devices no punctiform light sources are more recognizable, but only the superposition of all individual light emission spectra for Intellichtemissions- spectrum for a viewer is recognizable.
- sub-modules it is possible in a simple manner to combine LEDs with the corresponding light color as required and also to select them in terms of their number. For example, if more yellow LEDs are needed, more sub-modules will be added with those yellow LEDs. This applies analogously for differently colored LEDs.
- LEDs with different monochromatic light radiation are arranged on a submodule of the LED module. That is, already on a sub-module, a desired light color is provided by combining differently colored LEDs on this sub-module. A number of such sub-modules can then be used together as an LED module and these give the desired total light emission spectrum.
- such a carrier can be a corresponding printed circuit board for supplying the LEDs, for the corresponding wiring for required connections and also for arranging further electronic or electrical devices.
- the LEDs are all controllable together, d. H. be supplied in particular with the same voltage or current.
- the overall control is simplified, and with the same supply of all LEDs, the correspondingly emitted single-light emission spectrum can be reproduced well and, in addition to all the individual emission spectra, the total light-emission spectrum can be reliably produced.
- the monochromatic LEDs may be associated with white LEDs.
- the number of white LEDs can be determined by the color rendering index to reach a value of 100 or at least close to 100.
- modules and / or sub-modules are arranged interchangeably in the luminaire. This can apply analogously to the corresponding LED carrier.
- the submodules can be controlled individually. This means that, for example, a submodule with only yellow LEDs is only switched on if the total light emission spectrum is to be changed accordingly by connecting these yellow LEDs. This applies analogously to differently colored LEDs, white LEDs and the like.
- an adaptation of the total light emission spectrum can be carried out in particular with regard to certain species which have a higher sensitivity in a spectral range. It is also conceivable that the adaptation of the total light emission spectrum takes place with regard to more than one species if they have the same sensitivity in a specific spectral range or at least in closely adjacent spectral ranges.
- Figure 1 is a perspective view from below of a lamp with LED modules
- Figure 2 is an enlarged view of an embodiment of an LED module
- Figure 3 is an enlarged view of another embodiment of a
- FIG. 4 shows individual light emission spectra for differently colored LEDs
- FIG. 5 shows a total light emission spectrum resulting from the individual light emission spectra shown in FIG. 4;
- Figure 6 shows another example analogous to Figure 4,
- FIG. 7 shows a total light emission spectrum from Einzellichtemissionsspekt
- FIG. 1 shows a perspective view obliquely from below of a luminaire 2 with an LED module 1 according to the invention.
- corresponding LED modules 1 are arranged as light source 13 on both sides of a light exit opening 11 in a luminaire housing 10.
- the LED modules 1 are both simultaneously controlled and supplied with the same voltage or current.
- the illustrated luminaire 2 is shown only by way of example and simplified, wherein it can be used, for example, to illuminate paths, roads or the like.
- the light exit opening 11 may be associated with a glare limiting device 12 which, for example, reduces the light exit opening 11 in the direction of the surface to be irradiated and possibly additionally emits light emitted by the light source limited to a specific area for lighting only.
- an arrangement of corresponding LEDs 4 takes place along a row 8.
- the LEDs 8 are all arranged on an LED carrier 3, which is designed, for example, as a printed circuit board.
- the LED carrier 3 with LEDs 4 according to FIG. 2 or also according to FIG. 3 forms a corresponding LED module 1.
- the arrangement and number of LEDs 4 on the corresponding LED carrier 3 is shown only by way of example and with a small number of LEDs 4. It is also possible to use more LED carrier 3 or LED modules 1 in the luminaire 2 according to FIG.
- the different LEDs 4 on the carrier 3 are differently colored LEDs and have a different individual light emission spectrum depending on the color, see also FIGS. 4 and 6.
- LEDs are essentially monochromatic light sources, ie they emit light only in a narrow-band or limited spectral range. By selective selection of appropriate semiconductor materials and their doping, the properties of the light generated by LEDs can be varied. Today, there are LEDs of red, orange, yellow, green, blue and violet color. Also beyond this visible range of the light spectrum radiation can be produced by LEDs, see, for example, the near infrared range up to a wavelength of 1000 nm or even the ultraviolet range. In order to produce white light with a light emitting diode, for example, a blue or UV LED is used, with additional photoluminescent material. Similar to fluorescent tubes, this material converts the short-wave and higher-energy light into longer-wave light.
- a corresponding number of individual LEDs 4 of different colors are arranged on the LED module 1 or LED carrier 3, see, for example, green LEDs 14, yellow LEDs 15, orange LEDs 16, red LEDs 17, or white LEDs 18.
- differently colored LEDs can be arranged both along a row and a column.
- a corresponding LED module 1 or LED carrier 3 is composed of sub-modules 7. These may, for example, each have a predetermined number of differently colored LEDs, or be equipped with only monochromatic LEDs. This applies analogously to the exemplary embodiment according to FIG. 3.
- all the LEDs 4 are actuated in the same way and simultaneously on the corresponding carrier or by the corresponding module, ie. H. be supplied with the same voltage or the same power.
- the light output of each LED with respect to its individual light emission spectrum is predetermined and well known so that the various individual light emission spectra can be superimposed to form a total light emission spectrum, see the following explanations.
- each sub-module is controlled separately, and this is particularly favorable when each sub-module is occupied, for example, by LEDs of only one color. That is, for example, all the yellow LEDs arranged on a specific sub-module 7 could be turned off or on.
- each submodule is also valid if differently colored LEDs are provided on each submodule so that, depending on the requirement for the corresponding illumination, fewer or more such submodules are arranged in a light fixture or driven in a luminaire.
- FIG. 4 shows an exemplary embodiment of an LED module 1 with a number of individual light emission spectra 5. From left to right in FIG. 4, an individual light emission spectrum for the color green, for the color yellow, for the color orange, and for the color red, is shown first. The intensities of the corresponding spectra are given as a function of the wavelength in nm, where, for example, one green, one red, one orange and three yellow LEDs produce the corresponding individual light emission spectra. witness. If one is sufficiently far away from the corresponding light source 13, or the luminaire 2, the individual light emission spectra overlap to form a total light emission spectrum 6, see FIG. 5, in which no LEDs 4, see FIGS. 2 or 3, are more recognizable as individual light sources.
- Figure 5 shows a mixture of four different types of LEDs with different light colors, which are also provided in different numbers.
- a corresponding total light emission spectrum 6 can be assembled relatively well before the lamp is constructed by appropriate computer simulation or the like from the individual light emission spectra known per se. In other words, a corresponding overall light emission spectrum for given illumination purposes can be specifically realized in a corresponding luminaire.
- FIGS. 6 and 7 A further exemplary embodiment is shown in FIGS. 6 and 7, wherein corresponding individual light emission spectra 5 for green, yellow, orange, and red LEDs are again shown from left to right in FIG. In this case, three red, two green, eight orange and seven yellow LEDs are used, their individual light emission spectra 5 resulting in superposition of the total light emission spectrum according to FIG. In this example, the relative proportion of "green" is significantly reduced compared to Figure 5.
- a light source with a total light emission spectrum 6 according to FIG. 7 would be advantageous.
- a light source with a total light emission spectrum 6 according to FIG. 5 could be used if value is placed on an increased proportion in the green range.
- a white LED 18 which may be provided in addition to the colored LEDs in order, for example, to control the color reproduction. to increase dex.
- a white LED 18 may be provided in addition to the colored LEDs in order, for example, to control the color reproduction. to increase dex.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013005932.1A DE102013005932A1 (de) | 2013-04-05 | 2013-04-05 | LED-Modul, Leuchte mit einem solchen und Verfahren zur Beeinflussung eines Lichtspektrums |
PCT/EP2014/000882 WO2014161664A1 (de) | 2013-04-05 | 2014-04-02 | Led-modul, leuchte mit einem solchen und verfahren zur beeinflussung eines lichtspektrums |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2981760A1 true EP2981760A1 (de) | 2016-02-10 |
EP2981760B1 EP2981760B1 (de) | 2017-11-22 |
Family
ID=50513203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14717999.8A Active EP2981760B1 (de) | 2013-04-05 | 2014-04-02 | Led-modul, leuchte mit einem solchen und verfahren zur beeinflussung eines lichtspektrums |
Country Status (7)
Country | Link |
---|---|
US (2) | US20160025279A1 (de) |
EP (1) | EP2981760B1 (de) |
CN (2) | CN105339730A (de) |
DE (1) | DE102013005932A1 (de) |
NO (1) | NO3087246T3 (de) |
TW (2) | TW201441523A (de) |
WO (1) | WO2014161664A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD774686S1 (en) * | 2015-02-27 | 2016-12-20 | Star Headlight & Lantern Co., Inc. | Optical lens for projecting light from LED light emitters |
DE102015014766A1 (de) * | 2015-11-13 | 2017-05-18 | Eaton Protection Systems Ip Gmbh & Co. Kg | LED-Leuchte und Verfahren zur Beeinflussung der Spektralverteilung der LED-Leuchte |
CN109027711A (zh) * | 2018-09-12 | 2018-12-18 | 华域视觉科技(上海)有限公司 | 发光模块、汽车灯具及汽车 |
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JP2006164879A (ja) * | 2004-12-10 | 2006-06-22 | Matsushita Electric Ind Co Ltd | 照明光源、照明システム、および調光方式 |
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-
2013
- 2013-04-05 DE DE102013005932.1A patent/DE102013005932A1/de not_active Withdrawn
-
2014
- 2014-03-11 TW TW103108512A patent/TW201441523A/zh unknown
- 2014-03-11 TW TW105112661A patent/TW201641875A/zh unknown
- 2014-04-02 WO PCT/EP2014/000882 patent/WO2014161664A1/de active Application Filing
- 2014-04-02 CN CN201480019957.9A patent/CN105339730A/zh active Pending
- 2014-04-02 EP EP14717999.8A patent/EP2981760B1/de active Active
- 2014-04-02 CN CN201910269548.9A patent/CN110017432A/zh active Pending
- 2014-04-02 US US14/782,283 patent/US20160025279A1/en not_active Abandoned
- 2014-11-25 NO NO14809133A patent/NO3087246T3/no unknown
-
2018
- 2018-08-21 US US16/107,062 patent/US10851948B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE102013005932A1 (de) | 2014-10-23 |
US10851948B2 (en) | 2020-12-01 |
TW201641875A (zh) | 2016-12-01 |
WO2014161664A1 (de) | 2014-10-09 |
CN105339730A (zh) | 2016-02-17 |
EP2981760B1 (de) | 2017-11-22 |
US20160025279A1 (en) | 2016-01-28 |
US20180356047A1 (en) | 2018-12-13 |
CN110017432A (zh) | 2019-07-16 |
NO3087246T3 (de) | 2018-06-09 |
TW201441523A (zh) | 2014-11-01 |
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