EP2583024A1 - Lichtquelle - Google Patents
LichtquelleInfo
- Publication number
- EP2583024A1 EP2583024A1 EP11729932.1A EP11729932A EP2583024A1 EP 2583024 A1 EP2583024 A1 EP 2583024A1 EP 11729932 A EP11729932 A EP 11729932A EP 2583024 A1 EP2583024 A1 EP 2583024A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- leds
- emitting diodes
- light source
- lighting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- 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
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
- F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular
-
- 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
- F21Y2105/12—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
-
- 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
- Light source A light source with light emitting diodes (LEDs) is specified.
- Lighting devices with LEDs and in particular with an LED cluster with different colored LEDs, such as blue, green and / or red LEDs, are nowadays usually arranged compactly, the individual to each other
- Lighting device for generating white light with a color temperature of about 4000 K it may, for example, about 21 green or mint green and about 5 red LEDs have.
- the red LEDs are used in particular for
- Lighting device throws, Farbinhomogenticianen, so-called color shadows or color patterns
- Luminance inhomogeneities so-called luminance shadows or luminance patterns, are clearly perceived by the small number of red LEDs and their large distance from each other within the LED cluster of the
- Lighting device are caused. In order to minimize the color shadows and luminance shadows, significantly more LEDs would be required, but this is not possible technically or only with great effort for the reasons mentioned above with regard to the heat development of the illumination device.
- Coordinate system (X, Y, Z) stands and a spatial
- Lighting device with a red and a green LED one for conventional
- the width of the color shadows corresponds to a respective spatial resolution of about 1 arc minute, so that the color shadows still from this distance still
- the maximum distance between the different colored LEDs would have to be less than about 1.5 mm to avoid the otherwise clearly visible and discreetly perceived color fringes and luminance seams, which is technically usually not possible.
- An object of at least one embodiment is to provide a light source with light emitting diodes, which can at least reduce the disadvantages described above.
- a lighting unit having a plurality of light-emitting diodes which are a plurality of first light-emitting diodes
- the first and second light-emitting diodes each radiate light with each other
- the plurality of light emitting diodes are arranged along a curved curve.
- a curved curve denotes a continuous, continuous and gapless curve which, at least in theory, the light emitting diodes (LEDs) with each other combines. Furthermore, the curved curve has no straight sections and no kinks. In other words, always three directly adjacent LEDs of the plurality of LEDs are not arranged along a straight line.
- the curved curve may be selected in terms of its basic shape from a group formed by a circle, an ellipse, a circular arc, a
- a spline is referred to as a curve which has curve pieces set against each other continuously and without kinks, each of which can be defined, for example, by polynomial functions, circular functions, elliptical functions and / or trigonometric functions.
- a spline can thus also be referred to as a free-form curve, which, in particular in a mathematical sense, is continuous and at least once
- the curved curve in particular represents that curve which indicates the shortest curve under given boundary conditions, all points defined by the LEDs
- the given boundary conditions may for example be particularly preferably selected from the basic shape of the curved curve and optionally from the maximum degree of polynomial of curved pieces of a spline.
- each of the plurality of LEDs when illuminated illuminates an object with a shadow behind the object corresponding to the color of that LED.
- the arrangement of the plurality of LEDs along the curved curve in the light source described here differs from conventional arrangements of LEDs in matrix-like patterns with rows and columns, which can be achieved with advantage in the illumination of the object, a superposition of the different shadow throws of the first and second LEDs, whereby the recognizable in known lighting devices with different colored LEDs color shadows and luminance shadows can at least be reduced or even no longer perceptible to a viewer.
- Lighting devices are minimized or even repealed with several different colored LEDs without, for example, an optical film such as a scattering film in the beam path of the light emitting diodes must be arranged.
- an optical film such as a scattering film in the beam path of the light emitting diodes must be arranged.
- the shadows flow out in the perception of a viewer and can blur with respect to light density and color variations and / or can fall under the resolution of the human eye.
- a first element and a second element such as a first LED and a second LED or two first LEDs or two second LEDs are here and below adjacent to each other directly along the curved curve when starting from the first element along the course of the curved Curve to the second element no further first element and no further second element is arranged.
- a first and second element are otherwise directly adjacent to each other when the distance from the first element to the second element is shorter than the distances of the first element to each further second element.
- the first and second LEDs can be arranged alternately along the curved line. In the majority of LEDs, a first and a second directly adjacent to the curved curve
- the first and second LEDs may have a plurality of
- Each lighting group can have a respective one
- Arranging direction which is defined by the first to the second light emitting diode.
- At least two lighting groups different.
- at least two of the lighting groups are rotated against each other.
- Lighting groups be rotated against each other and thus have different arrangement directions from each other.
- each of the illumination groups may have a spacing between the first and second LEDs, the respective distance being at least two illumination groups, preferably a plurality of illumination groups, and / or particularly preferably is different for all lighting groups.
- a distance of at least two first LEDs adjacent to each other along the curved curve may be different from a distance of at least two second LEDs adjacent to one another along the curved curve.
- the two distances of the respectively two directly adjacent LEDs may be different.
- a first and / or a second LED to two along the curved curve in different directions directly adjacent first and second LEDs have different distances.
- a plurality of first and / or second LEDs or particularly preferably all first and / or second LEDs have the aforementioned different distances.
- the light source may have a plurality of
- Lighting units so at least two
- Lighting units may have one or more of the aforementioned features.
- the aforementioned features may have one or more of the aforementioned features.
- Lighting units be different from each other
- Lighting groups of different lighting units are Lighting groups of different lighting units.
- Lighting units in the manner described above respectively a plurality of light-emitting diodes arranged on each having a curved curve and the curved curves may be different from each other.
- Lighting unit and a directly adjacent to it
- Lighting units the respective curved curves defined so that they do not overlap.
- the curved curves can also be arranged side by side.
- the curved curves may also be circles, ellipses, circular arcs, elliptical arcs or spirals twisted relative to one another, the curved curves in each case being the same or different
- the plurality of LEDs may additionally include a plurality of third LEDs that emit light having a color different from the first and second LEDs.
- a plurality of lighting groups with a first and a second LED may additionally have a third LED.
- Lighting groups have a first, a second and a third LED.
- a lighting group can have a first arrangement direction from the first to the second LED and a second arrangement direction from the second to the third LED, wherein the first and second arrangement directions are the same as those mentioned above for the arrangement direction.
- the LEDs of the plurality of LEDs may, for example, be implemented as LED chips in the form of arsenide, phosphide and / or nitride compound semiconductor material systems
- a first and a second LED and / or optionally a third LED may be arranged in a common housing.
- one or more LEDs may also have a potting and / or one or more wavelength conversion dyes to achieve a desired color location and a desired color temperature of the emitted light.
- the plurality of LEDs of a lighting unit or of a plurality of lighting units can be arranged on a common carrier, for example a printed circuit board, and / or on a common heat sink and electrically interconnected.
- Lighting unit can be shaped, for example in the form of the curved curve.
- the LEDs of the plurality of LEDs may emit light at a constant intensity during operation, or alternatively each emit light with varying intensities.
- the respective emission directions of the light emitted by each of the plurality of LEDs may be the same or different.
- the LEDs of the plurality of LEDs can have one or more lenses and / or one or more reflectors, by means of which the respective emission characteristic of the LEDs can be set. Furthermore, can
- a common carrier have a reflector and / or one or more lenses, which are arranged downstream of the plurality of LEDs in the emission direction.
- the majority of the LEDs may be white light
- the first LEDs for example, blue and the second LEDs emit yellow light.
- the first LEDs can also emit, for example, white light and the second LEDs emit colored light, for example red light, for adjusting the color temperature of the light emitted by the light source.
- the light source has a plurality of first, second and third LEDs, they may each emit green, blue and red light, respectively.
- the light source comprises at least two illumination units each having a plurality of first and second light-emitting diodes, which are each arranged on a curved curve in the form of an ellipse or a circle, wherein the curved curves are arranged inside one another and one
- Lighting units and a directly adjacent first light emitting diode of a second of the at least two lighting units with the center are not arranged on a straight line. Furthermore, the
- Lighting units and / or the plurality of LEDs have one or more of the above features.
- Luminance shadows can be reduced or completely prevented. Compared to conventional
- Lighting devices which often have LEDs of one color in large numbers and also other LEDs of a different color in small numbers to produce the desired mixed light, can be used in the light source described here, a comparatively larger number of differently colored LEDs.
- Figure 1 is a schematic representation of a light source according to an embodiment and Figure 2 is a schematic representation of a light source according to another embodiment.
- FIG. 1 shows an exemplary embodiment of a light source 100, which has a lighting unit 10.
- the lighting unit 10 comprises a plurality of
- LEDs light-emitting diodes having a plurality of first LEDs 1 and a plurality of second LEDs 2, wherein the first LEDs 1 emit light having a different color from the second LEDs 2.
- the first LEDs 1 emit blue light and the second LEDs 2 emit yellow light so that the superposition of the blue and yellow light from the light source 100 results in emitted white light.
- the majority of the LEDs that is to say the majority of the first and second LEDs 1, 2, are arranged along a curved curve 4, which in the exemplary embodiment shown is pure
- the curved curve is designed as an elliptical arc, for example.
- the curved curve can also be represented as a circle, ellipse,
- the first and second LEDs 1, 2 are arranged alternately along the curved curve 4, wherein in each case a first LED 1 and a directly along the curved curve 4
- each lighting group 5, 5 ', 5 " has a respective one
- Arranging direction 6, 6 ', 6' ' which points from the respective first LED 1 to the respective second LED 2.
- the illumination groups 5, 5 '5' ' have mutually different distances.
- the first and second LEDs 1 also each have different distances to the respective first and second LEDs directly adjacent to the curved curve 4.
- a distance of at least two directly adjacent first light-emitting diodes 1 along the curved curve 4 is also different from a distance of at least two directly adjacent second light-emitting diodes 2.
- the first and second LEDs 1, 2 thus exhibit a high degree of irregularity along the curved curve 4 as a result of the arrangement shown, as a result of which, when the object is illuminated by the light source 100, color shadows and
- the light source 100 furthermore has a common carrier (not shown) for the first and second LEDs 1, 2 designed as semiconductor chips.
- the carrier has a
- Printed circuit board which is shaped according to the curved curve 4.
- FIG. 2 shows a further exemplary embodiment of a light source 200 which, in comparison with the previous exemplary embodiment, has a plurality of third LEDs 3 in addition to the first and second LEDs 1, 2, only a few of the LEDs 1, 2, 3 for clarity half provided with reference numerals.
- Each illumination group 5, 5 ', 5 " is assigned a first LED 1, a second LED 2 and a third LED 3.
- the third LEDs radiate different light from the first and second LEDs 1, 2.
- the first LEDs 1 emit blue light
- the second LEDs 2 green light and the third LEDs 3 red light, so that the light source 200 emits white light.
- the one of the first, second and third LEDs 1, 2, 3 emitted respectively
- Intensity can be adjustable, so that the
- Color temperature and the color location of the emitted light from the light source 200 can be selected thereby.
- the light source 200 has, in the embodiment shown, three illumination units 10, 20, 30, each with the
- a plurality of LEDs that is, the plurality of first, second and third LEDs 1, 2, 3, on.
- Each plurality of LEDs is, the plurality of first, second and third LEDs 1, 2, 3, on.
- Lighting units 10, 20, 30 is arranged on a respective curved curve 4, 4 ', 4''in the form of an ellipse.
- curved curves for example, be circles or closed splines.
- Each of the lighting units 10, 20, 30 has a along the respective curved curve 4, 4 ', 4' 'extending
- Circuit board on which the first, second and third LEDs 1, 2,, 3 are respectively mounted and interconnected.
- Center 9 are not arranged on a straight line.
- no first LEDs 1, no second LEDs 2 and no third LEDs 3 with directly adjacent respective same LEDs 1, 2, 3 are arranged with the center 9 on a straight line, so that the lighting groups of the lighting units 10, 20th , 30 twisted around the center 9 against each other
- each of the lighting groups of one of the lighting units 10, 20, 30 and the respectively directly adjacent lighting group of another of the lighting units 10, 20, 30 are postponed.
- the arrangement of the plurality of LEDs 1, 2, 3 along the curved curves 4, 4 ', 4' 'in the illumination of an object with the light source 200 is an overlay and
- CIE x-y coordinates mentioned above are avoided.
- the conventionally occurring color differences in the light source 200 are minimized by the turbulence, so that no regularity and no rhythm in luminance and / or color of the shadows occurs.
- the light sources 100, 200 may also have further features of the embodiments described in the general part.
- the invention is not by the description based on the
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010023956A DE102010023956A1 (de) | 2010-06-16 | 2010-06-16 | Lichtquelle |
| PCT/EP2011/059207 WO2011157574A1 (de) | 2010-06-16 | 2011-06-03 | Lichtquelle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2583024A1 true EP2583024A1 (de) | 2013-04-24 |
| EP2583024B1 EP2583024B1 (de) | 2018-03-14 |
Family
ID=44628077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11729932.1A Not-in-force EP2583024B1 (de) | 2010-06-16 | 2011-06-03 | Lichtquelle |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20130170200A1 (de) |
| EP (1) | EP2583024B1 (de) |
| CN (1) | CN103154595B (de) |
| DE (1) | DE102010023956A1 (de) |
| WO (1) | WO2011157574A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160298813A1 (en) * | 2013-10-01 | 2016-10-13 | Robe Lighting | Multiple color homogenization system for an led luminaire |
| JP6788798B2 (ja) * | 2017-01-25 | 2020-11-25 | パナソニックIpマネジメント株式会社 | 照明装置 |
| CN106851917B (zh) * | 2017-03-06 | 2018-12-11 | 张翔 | 具有多路反馈的自动调光灯具 |
| WO2019048511A1 (en) * | 2017-09-07 | 2019-03-14 | Signify Holding B.V. | IMPROVED COMFORT OF EXTERIOR LUMINAIRES BECAUSE OF THE PHYLLOTACTIC ARRANGEMENT OF LED SOURCES |
| CN110737130B (zh) * | 2018-07-19 | 2024-12-20 | 瑞仪(广州)光电子器件有限公司 | 背光模组及显示装置 |
| US20200375027A1 (en) * | 2019-05-21 | 2020-11-26 | Applied Materials, Inc. | Single Layer PCB Circuit Layout For Uniform Radial LED Array |
| JP7676413B2 (ja) * | 2020-01-20 | 2025-05-14 | シグニファイ ホールディング ビー ヴィ | 同一の湾曲ledモジュールを有する照明器具、及び前記照明器具に適したledモジュール |
| CN211853862U (zh) * | 2020-05-13 | 2020-11-03 | 厦门海莱照明有限公司 | 一种植物灯 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149283A (en) * | 1998-12-09 | 2000-11-21 | Rensselaer Polytechnic Institute (Rpi) | LED lamp with reflector and multicolor adjuster |
| US6357893B1 (en) * | 2000-03-15 | 2002-03-19 | Richard S. Belliveau | Lighting devices using a plurality of light sources |
| DE10043660A1 (de) * | 2000-09-05 | 2002-03-14 | Volkswagen Ag | Kfz-Leuchte mit LEDs |
| US6547416B2 (en) * | 2000-12-21 | 2003-04-15 | Koninklijke Philips Electronics N.V. | Faceted multi-chip package to provide a beam of uniform white light from multiple monochrome LEDs |
| US20030035092A1 (en) * | 2001-08-15 | 2003-02-20 | Brian Bramlett | Light pattern projection system |
| US6749310B2 (en) * | 2001-09-07 | 2004-06-15 | Contrast Lighting Services, Inc. | Wide area lighting effects system |
| TW533750B (en) * | 2001-11-11 | 2003-05-21 | Solidlite Corp | LED lamp |
| AU2003273046A1 (en) * | 2002-10-22 | 2004-05-13 | Sharp Kabushiki Kaisha | Backlight unit and liquid crystal display unit using backlight unit |
| TWI282022B (en) * | 2003-03-31 | 2007-06-01 | Sharp Kk | Surface lighting device and liquid crystal display device using the same |
| US6921182B2 (en) * | 2003-05-13 | 2005-07-26 | Solaroasis | Efficient LED lamp for enhancing commercial and home plant growth |
| JP2005243973A (ja) * | 2004-02-26 | 2005-09-08 | Kyocera Corp | 発光装置および照明装置 |
| GB0407847D0 (en) * | 2004-04-07 | 2004-05-12 | Gekko Technology Ltd | Lighting apparatus |
| US7319293B2 (en) * | 2004-04-30 | 2008-01-15 | Lighting Science Group Corporation | Light bulb having wide angle light dispersion using crystalline material |
| US20060087866A1 (en) * | 2004-10-22 | 2006-04-27 | Ng Kee Y | LED backlight |
| US7901089B2 (en) * | 2004-11-19 | 2011-03-08 | Whiterock Design, Llc | Optical system with array light source |
| DE102005042066A1 (de) * | 2005-09-03 | 2007-03-15 | Osram Opto Semiconductors Gmbh | Hinterleuchtungsanordnung mit in Leuchtgruppen angeordneten Halbleiterlichtquellen |
| EP1857729B1 (de) * | 2006-05-19 | 2009-12-02 | Osram Gesellschaft mit Beschränkter Haftung | Optoelektronisches Modul und Beleuchtungsvorrichtung mit einem solchen Modul |
| CN2937779Y (zh) * | 2006-08-18 | 2007-08-22 | 郑汉国 | 盘旋树圣诞灯 |
| KR101507755B1 (ko) * | 2006-10-31 | 2015-04-06 | 코닌클리케 필립스 엔.브이. | 발광 클러스터들을 포함하는 광원 |
| US20080123340A1 (en) * | 2006-11-27 | 2008-05-29 | Mcclellan Thomas | Light device having LED illumination and electronic circuit board in an enclosure |
| US8783887B2 (en) * | 2007-10-01 | 2014-07-22 | Intematix Corporation | Color tunable light emitting device |
| DE102007059132A1 (de) * | 2007-12-07 | 2009-06-10 | Osram Gesellschaft mit beschränkter Haftung | Leuchteinheit und Lampe |
| GB0810226D0 (en) * | 2008-06-04 | 2008-07-09 | Weatherley Richard | Blended colour LED lamp |
| DE102008038778A1 (de) * | 2008-08-12 | 2010-02-25 | Bega Gantenbrink-Leuchten Kg | Farb-LED-Strahler |
| US7967652B2 (en) * | 2009-02-19 | 2011-06-28 | Cree, Inc. | Methods for combining light emitting devices in a package and packages including combined light emitting devices |
| JP2010231938A (ja) * | 2009-03-26 | 2010-10-14 | Panasonic Electric Works Co Ltd | Led照明装置 |
-
2010
- 2010-06-16 DE DE102010023956A patent/DE102010023956A1/de not_active Withdrawn
-
2011
- 2011-06-03 WO PCT/EP2011/059207 patent/WO2011157574A1/de not_active Ceased
- 2011-06-03 US US13/704,928 patent/US20130170200A1/en not_active Abandoned
- 2011-06-03 CN CN201180029877.8A patent/CN103154595B/zh not_active Expired - Fee Related
- 2011-06-03 EP EP11729932.1A patent/EP2583024B1/de not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010023956A1 (de) | 2011-12-22 |
| EP2583024B1 (de) | 2018-03-14 |
| WO2011157574A1 (de) | 2011-12-22 |
| CN103154595B (zh) | 2017-08-08 |
| CN103154595A (zh) | 2013-06-12 |
| US20130170200A1 (en) | 2013-07-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
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