EP1766447A1 - Reflektoranordnung - Google Patents
ReflektoranordnungInfo
- Publication number
- EP1766447A1 EP1766447A1 EP05760074A EP05760074A EP1766447A1 EP 1766447 A1 EP1766447 A1 EP 1766447A1 EP 05760074 A EP05760074 A EP 05760074A EP 05760074 A EP05760074 A EP 05760074A EP 1766447 A1 EP1766447 A1 EP 1766447A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- light guide
- arrangement according
- light
- reflector arrangement
- 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.)
- Withdrawn
Links
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000009877 rendering Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 210000001331 nose Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
Definitions
- the invention relates to a reflector arrangement with a reflector and an optical waveguide.
- Arrangements of this type are used to lead the light of a light source as possible with little loss to a desired location and there according to the application according to decouple in particular by a window from the light guide.
- a wide variety of light sources are combined with such reflector arrangements.
- the reflector arrangements find application as general lighting or as efficient
- the light is usually passed from the light source to a window at which it is coupled as homogeneously as possible.
- the light guide often has a roughened surface at the location of the exit window for the homogenization of the exiting light.
- the light guide is usually made of transparent materials such as polymethylmethacrylate (PMMA) or epoxy resin.
- PMMA polymethylmethacrylate
- the reflector encloses the light guide in partial areas. To be able to enclose the light guide, the reflector is made of several components which must be mounted around the light guide during assembly. From US Pat. No.
- the invention has for its object to provide a reflector assembly of the type mentioned, which allows an improvement in a cost effective manner.
- the assembly effort is limited to the following steps: introducing the light guide into the reflector; Folding the reflector; Fixation of moving parts.
- An advantageous embodiment of the invention is obtained when the reflector is designed in one piece with at least one film hinge between the form elements of the reflector and associated mounting options. Overall, thus advantageously reduces the number of required items.
- the logistical effort for transport and maintenance as well as the assembly costs are reduced because fewer items are needed to produce a reflector assembly.
- a further advantageous embodiment of the invention results if the reflector together with the film hinge (s) is produced in one piece by an injection molding or molding process. As a result, only a single tool with a cavity is needed. In addition, a restriction to a single injection point of the tool mold can thus also be realized. This has economic advantages in the production.
- a film hinge is executed at least in sections continuously along the path of the axis of the hinge.
- the axis of the hinge is the axis about which form elements of a reflector can rotate or fold. It is usually at a common edge of different form elements.
- a further advantageous embodiment of the invention arises when a film hinge is not continuous, but executed in places interrupted.
- the reflector arrangement includes an angled light guide.
- the mounted 'reflector encloses the light guide.
- a further advantageous embodiment of the invention provides that molded elements of the reflector, which are connected by a film hinge, can be fixed together by means of fasteners.
- a further advantageous embodiment of the invention provides that molded elements of the reflector, which are connected by a film hinge, can be fixed by means of attachments to the light guide.
- a further advantageous embodiment of the invention provides that molded elements of the reflector which are connected by a film hinge, by means of fasteners both with each other, as well as with the light guide can be fixed.
- a snap mechanism is provided as attachment for the reflector assembly. This reduces assembly to the insertion of the light guide, the folding of the moldings and the snap. In addition, the error rate during assembly is reduced.
- a latch is provided as a fastening for the reflector assembly. This reduces the assembly to the insertion of the light guide, the folding of the molded parts and the locking. additionally the error rate during assembly is thereby reduced.
- a latching allows a ⁇ e fastening in a plurality of discrete positions, in contrast to a snap fastening.
- contact surfaces are provided for bonding as a fastening for the reflector assembly. This reduces assembly to the insertion of the light guide, the folding of the moldings and the bonding of the contact surfaces. In addition, the error rate during assembly is reduced.
- contact surfaces are provided for welding as attachment for the reflector assembly.
- the assembly is reduced to the insertion of the light guide, the folding of the moldings and the welding of the contact surfaces.
- the error rate during assembly is reduced.
- contact surfaces for caulking are provided as attachment for the reflector arrangement.
- a further advantageous embodiment of the invention provides that the reflector has a holding function for the light guide.
- a support function of the reflector with respect to the light guide can already by an accurate Fit and a partial enclosure of the light guide to be realized by the reflector. But are also possible direct mounting forms. To be mentioned by way of example: guide rails, latching or snap-in noses.
- the reflector can also additionally have a fixing function for the light guide.
- a further advantageous embodiment of the invention provides that the reflector contains one or more light emission windows.
- a further advantageous embodiment of the invention provides that the reflector contains one or more light entry windows.
- FIG. 1 shows a perspective illustration of a reflector arrangement according to the invention in the closed and in the opened state
- FIG. 2 shows a schematic cross section through the embodiment according to FIG. 1,
- FIG. 3 shows a schematic cross section of a further embodiment of the invention
- FIG. 4 is a perspective view of a specific embodiment of a fastening option
- Figure 6 is a cross-sectional view of another embodiment of the reflector assembly with rod-shaped light guide and
- Figure 7 shows different embodiments of inventive film hinges.
- Figure 8 shows a schematic cross section through an embodiment with attachment between the light guide and the reflector
- FIG. 1 shows in connection with Figure 2, a first embodiment of the invention.
- FIG. 1a shows a reflector arrangement in a first embodiment and a perspective representation.
- the arrangement includes the reflector 2 and the light guide 3, which is designed in this embodiment as an angled light guide.
- Angled optical fibers are particularly suitable as Umlenklichtleiter.
- Umlenklichtleiter are light guides in which the main direction of radiation and the main emission of the light is different.
- FIG. 1a shows the arrangement in the state of being mounted ready for use. Therefore, from this perspective, only the part of Optical fiber 3 visible through the light exit window 5, where the light is coupled out.
- the attachment associated with the film hinge 1 is in this embodiment designed as a snap-action nose 6b with a snap hook 6a.
- FIG. 1b shows the same embodiment of the reflector arrangement in preassembled form.
- the light guide 3 is inserted into the opened reflector 2.
- a side wall of the reflector 2 is provided with a film hinge 1, by means of which the reflector 2 can be opened or closed.
- the embodiment of the light guide 3 can be recognized as an angled light guide in this illustration.
- This embodiment allows easy installation by the light guide 3 is inserted from above into the reflector 2 and the reflector 2 is closed by means of the film hinge 1, wherein the hinged side wall snaps through the fasteners 6a and 6b.
- the fasteners with a snap nose 6b and a snap hook 6a other fasteners are possible.
- FIG. 2 shows a cross section through the embodiment of FIG. 1, by means of which the function of this embodiment becomes clear.
- Light is coupled through a light inlet window 4 in the light guide 3, and guided by the light guide 3 to the exit window 5.
- the reflector 2 serves to reflect scattered light back into the light guide 3 back and thus to reduce the losses. Through the light exit window 5, the light from the arrangement escape.
- the cross-sectional diagram arrows serve to represent exemplary beam paths.
- the reflector 2 surrounds the light guide 3, however, leaves the areas of the light exit window 5 and the light entrance window 4 free.
- a fixation of the light guide 3 by the reflector 2 can be ensured.
- a fixation effect can already be realized by a tailor-made Ura gleich the light guide 3 through the reflector 2.
- FIG. 3 shows another embodiment of the reflector arrangement with two light entry windows 34a, 34b and two film hinges 31a, 31b.
- the light from several light sources can be coupled into the reflector arrangement and thus the usable light intensity at the exit window 35 can be increased.
- the light guide is U-shaped and fixed by the reflector. In the cross-sectional diagram arrows serve to represent exemplary beam paths.
- Figure 4 is a perspective view of some details of the embodiment of Figure 1. Shown is the snap connection, in which the snap hook 46a is snapped over the snap nose 46b. Behind the light entrance window 44, the light guide is arranged.
- the fasteners can be designed as snapping, latching, as well as glued or hot caulked elements.
- the hot-caulking is an irreversible attachment, which goes hand in hand with a local melting of the elements to be fastened.
- Figure 5 shows a perspective view of another attachment of the reflector elements for an embodiment of the light guide of Figure 1. Shown is the attachment by means of contact surfaces. In this case, the contact surfaces 57a and 57b can be fixed to each other by various methods. Possible methods are the bonding with an adhesive, the welding and the hot caulking of the two contact surfaces in the contact area. Behind the light entrance window 54, the light guide is arranged.
- FIG. 6 shows another embodiment of the
- Reflector arrangement in which the light guide 63 is designed as a rod-shaped light guide.
- Figure 5 shows the arrangement in open pre-assembled
- This embodiment allows in a simple way to completely enclose a light guide except for a light entrance window 64 and a light exit window.
- the light guide 63 is slid into the reflector 62 from the side opened by the film hinges 61a, 61b.
- the side walls are folded to each other and fixed with the side fasteners, not shown.
- FIG. 7 shows various embodiments of film hinges according to the invention in FIGS. 7a) to 7f).
- the illustrations are schematic. They show in Figures 7a) to 7c) cross-sectional views and in Figures 7d) to 7f) side views of different embodiments.
- Film hinges according to the invention can also have combinations of the features shown in FIGS. 7a) to 7f).
- FIGS. 7a) and 7b) show film hinges 71, 81 which are made in one piece with the form elements 78a, 78b, 88a, 88b.
- Figure 7a) shows an embodiment in which the film hinge 71 is formed by an asymmetric taper of the mold elements 78a, 78b at the contact point.
- FIG. 7b an embodiment is shown, in which the film hinge 81 is formed by a symmetrical taper.
- Figure 7c) an embodiment of the invention is shown, in which the Filtnscharnier 91 connects as an additional element, the two form elements 98a, 98b and, for example glued to this.
- FIG. 7d) shows an embodiment in rear view, in which a film hinge 101 which runs through along the folding axis connects the two form elements 108a, 108b.
- FIG. 7e) shows a further embodiment, which differs from the embodiment according to FIG. 7d) in that here the film hinge 111 is only partially continuous. It contains recesses 79b along the axis, which is why it may also be referred to as interrupted in places.
- FIG. 7f shows another embodiment in which the two molded parts 128a, 128b are connected by two film hinges 121a, 121b. Also in this embodiment, the two film hinges on a common axis.
- FIG. 8 shows a further advantageous embodiment of a reflector arrangement according to the invention.
- the light guide 133 is designed as an angled light guide so that light which is coupled through the light entrance window 134 in the light guide 133, through the light guide 133rd is deflected in conjunction with the reflector 132 and leaves the reflector assembly at the light exit window 135.
- This particular embodiment of the invention umfubbfeine 'attachment of the reflector 132 on the light guide 133.
- a shape of the reflector element 132 which comprises a snap hook 136a snapped into a snap-lug 136 b, the snap-lug is part 136b of the light guide 133rd
- the cross-sectional diagram arrows serve to represent exemplary beam paths.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Planar Illumination Modules (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Integrated Circuits (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004032948 | 2004-07-07 | ||
| DE102005016849A DE102005016849A1 (de) | 2004-07-07 | 2005-04-12 | Reflektoranordnung |
| PCT/DE2005/001119 WO2006005289A1 (de) | 2004-07-07 | 2005-06-23 | Reflektoranordnung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1766447A1 true EP1766447A1 (de) | 2007-03-28 |
Family
ID=34972417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05760074A Withdrawn EP1766447A1 (de) | 2004-07-07 | 2005-06-23 | Reflektoranordnung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7397982B2 (de) |
| EP (1) | EP1766447A1 (de) |
| JP (1) | JP4783364B2 (de) |
| KR (1) | KR101095168B1 (de) |
| CN (1) | CN1981221B (de) |
| DE (1) | DE102005016849A1 (de) |
| TW (1) | TWI313761B (de) |
| WO (1) | WO2006005289A1 (de) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005016849A1 (de) * | 2004-07-07 | 2006-02-02 | Osram Opto Semiconductors Gmbh | Reflektoranordnung |
| CN101206271B (zh) * | 2006-12-19 | 2012-04-11 | 香港应用科技研究院有限公司 | 全反射侧发射耦合装置 |
| KR20100100776A (ko) | 2007-10-09 | 2010-09-15 | 안소니 제이. 니콜 | 조사된 필름으로의 광 커플링 |
| US8434909B2 (en) | 2007-10-09 | 2013-05-07 | Flex Lighting Ii, Llc | Light emitting display with light mixing within a film |
| CN103672744B (zh) * | 2009-01-26 | 2017-07-21 | 弗莱克斯照明第二有限责任公司 | 通过柔性薄膜实现照明 |
| US8905610B2 (en) | 2009-01-26 | 2014-12-09 | Flex Lighting Ii, Llc | Light emitting device comprising a lightguide film |
| US8917962B1 (en) | 2009-06-24 | 2014-12-23 | Flex Lighting Ii, Llc | Method of manufacturing a light input coupler and lightguide |
| JP2013525955A (ja) | 2010-04-16 | 2013-06-20 | フレックス ライティング 2,エルエルシー | フィルムベースのライトガイドを備える照明デバイス |
| US9028123B2 (en) | 2010-04-16 | 2015-05-12 | Flex Lighting Ii, Llc | Display illumination device with a film-based lightguide having stacked incident surfaces |
| WO2012016047A1 (en) | 2010-07-28 | 2012-02-02 | Flex Lighting Ii, Llc | Light emitting device with optical redundancy |
| CA2829388C (en) | 2011-03-09 | 2018-09-25 | Flex Lighting Ii, Llc | Light emitting device with adjustable light output profile |
| DE102012106982A1 (de) | 2012-07-31 | 2014-02-06 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines Leuchtmittels |
| US11009646B2 (en) | 2013-03-12 | 2021-05-18 | Azumo, Inc. | Film-based lightguide with interior light directing edges in a light mixing region |
| US9566751B1 (en) | 2013-03-12 | 2017-02-14 | Flex Lighting Ii, Llc | Methods of forming film-based lightguides |
| US9690032B1 (en) | 2013-03-12 | 2017-06-27 | Flex Lighting Ii Llc | Lightguide including a film with one or more bends |
| WO2016163176A1 (ja) * | 2015-04-06 | 2016-10-13 | ソニー株式会社 | 照明装置および表示装置 |
| JP7093631B2 (ja) * | 2017-12-27 | 2022-06-30 | 株式会社小糸製作所 | ライトガイド装置 |
| WO2020047340A1 (en) | 2018-08-30 | 2020-03-05 | Flex Lighting Ii, Llc | Film-based frontlight with angularly varying diffusion film |
| CN113678034B (zh) | 2018-12-11 | 2024-03-19 | 阿祖莫公司 | 使用基于薄膜的光导和漫反射型剥离衬制造显示器的方法 |
| CN113678035B (zh) | 2019-01-03 | 2024-10-18 | 阿祖莫公司 | 包括产生多个照明峰值的光导和光转向膜的反射型显示器 |
| WO2020146668A1 (en) | 2019-01-09 | 2020-07-16 | Flex Lighting Ii, Llc | Reflective display comprising coupling lightguides folded at different fold angles |
| US11513274B2 (en) | 2019-08-01 | 2022-11-29 | Azumo, Inc. | Lightguide with a light input edge between lateral edges of a folded strip |
| WO2022072386A1 (en) | 2020-09-29 | 2022-04-07 | Azumo, Inc | Manufacturing a lightguide with cut lateral edges |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935560A (en) * | 1974-11-13 | 1976-01-27 | Dorn Harry M | Light guard |
| KR950006994B1 (ko) | 1990-01-23 | 1995-06-26 | 가부시끼가이샤 고이또 세이사꾸쇼 | 배너티 미러의 조명부 |
| US6169839B1 (en) | 1993-04-30 | 2001-01-02 | Walter A. Johanson | Light distribution systems and illumination devices |
| JPH08182648A (ja) * | 1994-12-27 | 1996-07-16 | Olympus Optical Co Ltd | 先端カバー着脱式内視鏡 |
| DE19706043A1 (de) * | 1996-12-12 | 1998-06-18 | Brose Fahrzeugteile | Kunststoffscheibe für eine Kraftfahrzeugtür |
| US6259082B1 (en) * | 1997-07-31 | 2001-07-10 | Rohm Co., Ltd. | Image reading apparatus |
| JP2000011729A (ja) * | 1998-06-23 | 2000-01-14 | Chatani Sangyo Kk | 面照明装置 |
| JP2001222905A (ja) * | 2000-02-08 | 2001-08-17 | Minebea Co Ltd | 面状照明装置 |
| DE10008301B4 (de) * | 2000-02-23 | 2004-12-02 | Harting Automotive Gmbh & Co. Kg | Anordnung zum Anschluß von Lichtwellenleitern |
| JP2004022223A (ja) * | 2002-06-13 | 2004-01-22 | Denso Corp | 照明装置 |
| AU2003229232B2 (en) * | 2002-06-24 | 2008-03-06 | Diamond S.A. | Connector-plug part for an optical plug-in connection |
| US7220061B2 (en) * | 2002-06-24 | 2007-05-22 | Diamond Sa | Connector-plug part for an optical plug-in connection, method for connecting a connector-plug part to the end of an optical waveguide cable and device for carrying out said method |
| DE20210707U1 (de) * | 2002-07-11 | 2003-11-20 | Diehl AKO Stiftung & Co. KG, 88239 Wangen | Hinterleuchtete Flüssigkristallanzeige, insbesondere zum Einsatz als Anzeigemodul hinter der Bedienblende eines Haushaltsgroßgerätes |
| DE102005016849A1 (de) * | 2004-07-07 | 2006-02-02 | Osram Opto Semiconductors Gmbh | Reflektoranordnung |
-
2005
- 2005-04-12 DE DE102005016849A patent/DE102005016849A1/de not_active Ceased
- 2005-06-23 WO PCT/DE2005/001119 patent/WO2006005289A1/de not_active Ceased
- 2005-06-23 EP EP05760074A patent/EP1766447A1/de not_active Withdrawn
- 2005-06-23 CN CN2005800226312A patent/CN1981221B/zh not_active Expired - Fee Related
- 2005-06-23 JP JP2007519607A patent/JP4783364B2/ja not_active Expired - Fee Related
- 2005-06-23 KR KR1020077002406A patent/KR101095168B1/ko not_active Expired - Fee Related
- 2005-06-23 US US11/631,716 patent/US7397982B2/en not_active Expired - Fee Related
- 2005-07-05 TW TW094122715A patent/TWI313761B/zh not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008505463A (ja) | 2008-02-21 |
| WO2006005289A1 (de) | 2006-01-19 |
| CN1981221A (zh) | 2007-06-13 |
| DE102005016849A1 (de) | 2006-02-02 |
| KR20070028607A (ko) | 2007-03-12 |
| CN1981221B (zh) | 2010-05-05 |
| US20070230869A1 (en) | 2007-10-04 |
| KR101095168B1 (ko) | 2011-12-16 |
| US7397982B2 (en) | 2008-07-08 |
| TWI313761B (en) | 2009-08-21 |
| JP4783364B2 (ja) | 2011-09-28 |
| TW200606480A (en) | 2006-02-16 |
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Legal Events
| Date | Code | Title | Description |
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| 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 |
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| 17P | Request for examination filed |
Effective date: 20070129 |
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| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE |
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| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: SAILER, MICHAEL Inventor name: WANNINGER, MARIO |
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| 17Q | First examination report despatched |
Effective date: 20070903 |
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| DAX | Request for extension of the european patent (deleted) | ||
| RBV | Designated contracting states (corrected) |
Designated state(s): DE |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM OPTO SEMICONDUCTORS GMBH |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM OPTO SEMICONDUCTORS GMBH |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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| 18D | Application deemed to be withdrawn |
Effective date: 20181003 |