WO2013126836A8 - Mixed load current compensation for led lighting - Google Patents

Mixed load current compensation for led lighting Download PDF

Info

Publication number
WO2013126836A8
WO2013126836A8 PCT/US2013/027507 US2013027507W WO2013126836A8 WO 2013126836 A8 WO2013126836 A8 WO 2013126836A8 US 2013027507 W US2013027507 W US 2013027507W WO 2013126836 A8 WO2013126836 A8 WO 2013126836A8
Authority
WO
WIPO (PCT)
Prior art keywords
current
lamp
dimmer
time
period
Prior art date
Application number
PCT/US2013/027507
Other languages
French (fr)
Other versions
WO2013126836A1 (en
Inventor
Eric J. King
John L. Melanson
Daniel J. BAKER
Original Assignee
Cirrus Logic, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cirrus Logic, Inc. filed Critical Cirrus Logic, Inc.
Priority to EP13710654.8A priority Critical patent/EP2820919A1/en
Publication of WO2013126836A1 publication Critical patent/WO2013126836A1/en
Publication of WO2013126836A8 publication Critical patent/WO2013126836A8/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/385—Switched mode power supply [SMPS] using flyback topology
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]

Abstract

In at least one embodiment, a system and method provide current compensation in a lighting system by controlling a lamp current to prevent a current through a triac-based dimmer from undershooting a holding current value. In at least one embodiment, at least one of the lamps includes a controller that controls circuitry in the lamp to draw more lamp current for a period of time than needed to illuminate a brightness of the lamp at a level corresponding to particular phase-cut angle of the supply voltage. By drawing more current than needed, the controller increases the dimmer current during the period of time to prevent the dimmer current from falling below the holding current value. In at least one embodiment, the period of time corresponds to a compensating pulse of the lamp current at a time when the dimmer current would otherwise fall below the holding current value.
PCT/US2013/027507 2012-02-22 2013-02-22 Mixed load current compensation for led lighting WO2013126836A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13710654.8A EP2820919A1 (en) 2012-02-29 2013-02-22 Mixed load current compensation for led lighting

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201261604740P 2012-02-29 2012-02-29
US61/604,740 2012-02-29
US201261605459P 2012-03-01 2012-03-01
US61/605,459 2012-03-01
US13/774,914 2013-02-22
US13/774,914 US9167662B2 (en) 2012-02-29 2013-02-22 Mixed load current compensation for LED lighting

Publications (2)

Publication Number Publication Date
WO2013126836A1 WO2013126836A1 (en) 2013-08-29
WO2013126836A8 true WO2013126836A8 (en) 2014-08-07

Family

ID=49002096

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2013/027507 WO2013126836A1 (en) 2012-02-22 2013-02-22 Mixed load current compensation for led lighting

Country Status (3)

Country Link
US (1) US9167662B2 (en)
EP (1) EP2820919A1 (en)
WO (1) WO2013126836A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8536799B1 (en) * 2010-07-30 2013-09-17 Cirrus Logic, Inc. Dimmer detection
RU2637307C2 (en) * 2012-03-16 2017-12-04 Филипс Лайтинг Холдинг Б.В. Circuitry
CN203206530U (en) * 2013-03-12 2013-09-18 欧司朗有限公司 Dimming circuit and LED lighting device having the same
US9282617B2 (en) * 2013-09-18 2016-03-08 Hep Tech Co., Ltd. Illumination system and phase signal transmitter of the same
US9543845B2 (en) * 2013-10-15 2017-01-10 Power Integrations, Inc. Generating a control signal based on leading edge dimming detection for maintaining input current of a power converter
US9681526B2 (en) * 2014-06-11 2017-06-13 Leviton Manufacturing Co., Inc. Power efficient line synchronized dimmer
JP6133514B2 (en) * 2014-06-17 2017-05-24 フィリップス ライティング ホールディング ビー ヴィ Dynamic control circuit
KR20160014379A (en) * 2014-07-29 2016-02-11 주식회사 실리콘웍스 Lighting apparatus
CN104202886B (en) * 2014-09-19 2016-07-27 英飞特电子（杭州）股份有限公司 A kind of controllable silicon maintains current compensation circuit
US9986607B2 (en) 2016-06-02 2018-05-29 Semiconductor Components Industries, Llc Light emitting diode control circuit with hysteretic control and low-side output current sensing
CN106162998B (en) * 2016-07-20 2017-12-08 深圳市莱福德光电有限公司 A kind of LED drive controls circuit, control device and control method
CN208462098U (en) 2017-04-07 2019-02-01 首尔半导体株式会社 LED driving module and lighting device including this
TWM564746U (en) * 2018-04-24 2018-08-01 穩態光電科技股份有限公司 Load-adaptive power supply

Family Cites Families (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523128A (en) 1982-12-10 1985-06-11 Honeywell Inc. Remote control of dimmable electronic gas discharge lamp ballasts
US5319301A (en) 1984-08-15 1994-06-07 Michael Callahan Inductorless controlled transition and other light dimmers
US5629607A (en) 1984-08-15 1997-05-13 Callahan; Michael Initializing controlled transition light dimmers
US5321350A (en) 1989-03-07 1994-06-14 Peter Haas Fundamental frequency and period detector
US5055746A (en) 1990-08-13 1991-10-08 Electronic Ballast Technology, Incorporated Remote control of fluorescent lamp ballast using power flow interruption coding with means to maintain filament voltage substantially constant as the lamp voltage decreases
FR2671930B1 (en) 1991-01-21 1993-04-16 Legrand Sa CURRENT DIMMER FOR POWER LOAD, WITH REDUCED FILTER LOSSES.
US5430635A (en) 1993-12-06 1995-07-04 Bertonee, Inc. High power factor electronic transformer system for gaseous discharge tubes
US5691605A (en) 1995-03-31 1997-11-25 Philips Electronics North America Electronic ballast with interface circuitry for multiple dimming inputs
US5604411A (en) 1995-03-31 1997-02-18 Philips Electronics North America Corporation Electronic ballast having a triac dimming filter with preconditioner offset control
US5770928A (en) 1995-11-02 1998-06-23 Nsi Corporation Dimming control system with distributed command processing
US6043635A (en) 1996-05-17 2000-03-28 Echelon Corporation Switched leg power supply
US5661645A (en) 1996-06-27 1997-08-26 Hochstein; Peter A. Power supply for light emitting diode array
DE19632282A1 (en) 1996-08-09 1998-02-19 Holzer Walter Prof Dr H C Ing Process and device for controlling the brightness of fluorescent lamps
US6111368A (en) 1997-09-26 2000-08-29 Lutron Electronics Co., Inc. System for preventing oscillations in a fluorescent lamp ballast
US6091205A (en) 1997-10-02 2000-07-18 Lutron Electronics Co., Inc. Phase controlled dimming system with active filter for preventing flickering and undesired intensity changes
US6046550A (en) 1998-06-22 2000-04-04 Lutron Electronics Co., Inc. Multi-zone lighting control system
US6433525B2 (en) 2000-05-03 2002-08-13 Intersil Americas Inc. Dc to DC converter method and circuitry
WO2001089271A1 (en) 2000-05-12 2001-11-22 O2 Micro International Limited Integrated circuit for lamp heating and dimming control
EP1164819B1 (en) 2000-06-15 2004-02-11 City University of Hong Kong Dimmable electronic ballast
US7038399B2 (en) 2001-03-13 2006-05-02 Color Kinetics Incorporated Methods and apparatus for providing power to lighting devices
US6510995B2 (en) 2001-03-16 2003-01-28 Koninklijke Philips Electronics N.V. RGB LED based light driver using microprocessor controlled AC distributed power system
US6900599B2 (en) 2001-03-22 2005-05-31 International Rectifier Corporation Electronic dimming ballast for cold cathode fluorescent lamp
US6407514B1 (en) 2001-03-29 2002-06-18 General Electric Company Non-synchronous control of self-oscillating resonant converters
US6577512B2 (en) 2001-05-25 2003-06-10 Koninklijke Philips Electronics N.V. Power supply for LEDs
JP3741035B2 (en) 2001-11-29 2006-02-01 サンケン電気株式会社 Switching power supply
IL147578A (en) 2002-01-10 2006-06-11 Lightech Electronics Ind Ltd Lamp transformer for use with an electronic dimmer and method for use thereof for reducing acoustic noise
KR100481444B1 (en) 2002-03-18 2005-04-11 원 호 이 Dimming system of the discharge lamp for energy saving
US6940733B2 (en) 2002-08-22 2005-09-06 Supertex, Inc. Optimal control of wide conversion ratio switching converters
JP4433677B2 (en) 2003-02-14 2010-03-17 パナソニック電工株式会社 Electrodeless discharge lamp lighting device
US6865093B2 (en) 2003-05-27 2005-03-08 Power Integrations, Inc. Electronic circuit control element with tap element
US7733678B1 (en) 2004-03-19 2010-06-08 Marvell International Ltd. Power factor correction boost converter with continuous, discontinuous, or critical mode selection
CA2536307C (en) 2004-05-19 2015-07-07 Goeken Group Corp. Dynamic snubbing for led lighting converter
WO2006013557A2 (en) 2004-08-02 2006-02-09 Green Power Technologies Ltd. Method and control circuitry for improved-performance switch-mode converters
US7812576B2 (en) 2004-09-24 2010-10-12 Marvell World Trade Ltd. Power factor control systems and methods
US7180250B1 (en) 2005-01-25 2007-02-20 Henry Michael Gannon Triac-based, low voltage AC dimmer
WO2006079937A1 (en) 2005-01-28 2006-08-03 Philips Intellectual Property & Standards Gmbh Circuit arrangement and method for the operation of a high-pressure gas discharge lamp
US7081722B1 (en) 2005-02-04 2006-07-25 Kimlong Huynh Light emitting diode multiphase driver circuit and method
US7102902B1 (en) 2005-02-17 2006-09-05 Ledtronics, Inc. Dimmer circuit for LED
DE102005018775A1 (en) 2005-04-22 2006-10-26 Tridonicatco Gmbh & Co. Kg Electronic ballast for e.g. fluorescent lamp, has microcontroller assigned to intermediate circuit voltage regulator, where external instructions are applied to microcontroller, and properties of regulator depend on external instructions
WO2006120629A2 (en) 2005-05-09 2006-11-16 Koninklijke Philips Electronics N.V. Method and circuit for enabling dimming using triac dimmer
US7184937B1 (en) 2005-07-14 2007-02-27 The United States Of America As Represented By The Secretary Of The Army Signal repetition-rate and frequency-drift estimator using proportional-delayed zero-crossing techniques
CN100576965C (en) 2005-11-11 2009-12-30 王际 Led drive circuit and control method
CA2632385C (en) 2005-12-20 2015-02-24 Tir Technology Lp Method and apparatus for controlling current supplied to electronic devices
US7656103B2 (en) 2006-01-20 2010-02-02 Exclara, Inc. Impedance matching circuit for current regulation of solid state lighting
US7902769B2 (en) * 2006-01-20 2011-03-08 Exclara, Inc. Current regulator for modulating brightness levels of solid state lighting
US8742674B2 (en) 2006-01-20 2014-06-03 Point Somee Limited Liability Company Adaptive current regulation for solid state lighting
US8558470B2 (en) 2006-01-20 2013-10-15 Point Somee Limited Liability Company Adaptive current regulation for solid state lighting
US8441210B2 (en) 2006-01-20 2013-05-14 Point Somee Limited Liability Company Adaptive current regulation for solid state lighting
US20080018261A1 (en) 2006-05-01 2008-01-24 Kastner Mark A LED power supply with options for dimming
US7443146B2 (en) 2006-05-23 2008-10-28 Intersil Americas Inc. Auxiliary turn-on mechanism for reducing conduction loss in body-diode of low side MOSFET of coupled-inductor DC-DC converter
JP4661736B2 (en) 2006-08-28 2011-03-30 パナソニック電工株式会社 Dimmer
GB0617393D0 (en) 2006-09-04 2006-10-11 Lutron Electronics Co Variable load circuits for use with lighting control devices
US7750580B2 (en) 2006-10-06 2010-07-06 U Lighting Group Co Ltd China Dimmable, high power factor ballast for gas discharge lamps
US7864546B2 (en) 2007-02-13 2011-01-04 Akros Silicon Inc. DC-DC converter with communication across an isolation pathway
US7928662B2 (en) 2006-12-18 2011-04-19 Microsemi Corp.—Analog Mixed Signal Group Ltd. Voltage range extender mechanism
US7667408B2 (en) 2007-03-12 2010-02-23 Cirrus Logic, Inc. Lighting system with lighting dimmer output mapping
US7852017B1 (en) 2007-03-12 2010-12-14 Cirrus Logic, Inc. Ballast for light emitting diode light sources
US7288902B1 (en) 2007-03-12 2007-10-30 Cirrus Logic, Inc. Color variations in a dimmable lighting device with stable color temperature light sources
US7554473B2 (en) 2007-05-02 2009-06-30 Cirrus Logic, Inc. Control system using a nonlinear delta-sigma modulator with nonlinear process modeling
JP2009123660A (en) 2007-11-19 2009-06-04 Sanken Electric Co Ltd Discharge tube lighting device
JP5169170B2 (en) 2007-11-26 2013-03-27 株式会社リコー Step-down switching regulator
JP2009170240A (en) 2008-01-16 2009-07-30 Sharp Corp Dimming device of light-emitting diode
GB0800755D0 (en) 2008-01-16 2008-02-27 Melexis Nv Improvements in and relating to low power lighting
US8040070B2 (en) 2008-01-23 2011-10-18 Cree, Inc. Frequency converted dimming signal generation
WO2009100160A1 (en) 2008-02-06 2009-08-13 C. Crane Company, Inc. Light emitting diode lighting device
US8102167B2 (en) 2008-03-25 2012-01-24 Microsemi Corporation Phase-cut dimming circuit
US7759881B1 (en) 2008-03-31 2010-07-20 Cirrus Logic, Inc. LED lighting system with a multiple mode current control dimming strategy
US8339062B2 (en) 2008-05-15 2012-12-25 Marko Cencur Method for dimming non-linear loads using an AC phase control scheme and a universal dimmer using the method
WO2009149556A1 (en) 2008-06-13 2009-12-17 Queen's University At Kingston Dimmable single stage electronic ballast with high power factor
US8125798B2 (en) 2008-07-01 2012-02-28 Active-Semi, Inc. Constant current and voltage controller in a three-pin package operating in critical conduction mode
US7936132B2 (en) 2008-07-16 2011-05-03 Iwatt Inc. LED lamp
US8212491B2 (en) 2008-07-25 2012-07-03 Cirrus Logic, Inc. Switching power converter control with triac-based leading edge dimmer compatibility
US8487546B2 (en) 2008-08-29 2013-07-16 Cirrus Logic, Inc. LED lighting system with accurate current control
US8228002B2 (en) 2008-09-05 2012-07-24 Lutron Electronics Co., Inc. Hybrid light source
JP5211959B2 (en) 2008-09-12 2013-06-12 株式会社リコー DC-DC converter
CN101686587B (en) 2008-09-25 2015-01-28 皇家飞利浦电子股份有限公司 Drive for providing variable power for LED array
US9167641B2 (en) 2008-11-28 2015-10-20 Lightech Electronic Industries Ltd. Phase controlled dimming LED driver system and method thereof
US8288954B2 (en) 2008-12-07 2012-10-16 Cirrus Logic, Inc. Primary-side based control of secondary-side current for a transformer
JP4864994B2 (en) * 2009-03-06 2012-02-01 シャープ株式会社 LED drive circuit, LED illumination lamp, LED illumination device, and LED illumination system
CN101505568B (en) 2009-03-12 2012-10-03 深圳市众明半导体照明有限公司 LED light modulating apparatus suitable for light modulator
US8310171B2 (en) 2009-03-13 2012-11-13 Led Specialists Inc. Line voltage dimmable constant current LED driver
EP2257124B1 (en) 2009-05-29 2018-01-24 Silergy Corp. Circuit for connecting a low current lighting circuit to a dimmer
US8222832B2 (en) 2009-07-14 2012-07-17 Iwatt Inc. Adaptive dimmer detection and control for LED lamp
US8390214B2 (en) 2009-08-19 2013-03-05 Albeo Technologies, Inc. LED-based lighting power supplies with power factor correction and dimming control
US8466628B2 (en) 2009-10-07 2013-06-18 Lutron Electronics Co., Inc. Closed-loop load control circuit having a wide output range
US8531138B2 (en) 2009-10-14 2013-09-10 National Semiconductor Corporation Dimmer decoder with improved efficiency for use with LED drivers
US8283875B2 (en) * 2009-10-26 2012-10-09 Light-Based Technologies Incorporated Holding current circuits for phase-cut power control
US8203277B2 (en) * 2009-10-26 2012-06-19 Light-Based Technologies Incorporated Efficient electrically isolated light sources
US8686668B2 (en) * 2009-10-26 2014-04-01 Koninklijke Philips N.V. Current offset circuits for phase-cut power control
US9301348B2 (en) 2009-11-05 2016-03-29 Eldolab Holding B.V. LED driver for powering an LED unit from a electronic transformer
TWI434611B (en) 2010-02-25 2014-04-11 Richtek Technology Corp Led array control circuit with voltage adjustment function and driver circuit and method for the same
CN101805568A (en) 2010-03-08 2010-08-18 北京林业大学 Bio oil-starch adhesive and preparation method thereof
JP5031865B2 (en) 2010-03-23 2012-09-26 シャープ株式会社 LED drive circuit, LED illumination lamp, LED illumination device, and LED illumination system
CN102238774B (en) 2010-04-30 2016-06-01 奥斯兰姆有限公司 Angle of flow acquisition methods and device, and LED driving method and device
US20130193879A1 (en) 2010-05-10 2013-08-01 Innosys, Inc. Universal Dimmer
CN103313472B (en) 2010-05-19 2016-02-03 成都芯源系统有限公司 A kind of LED drive circuit and light fixture with dimming function
US8508147B2 (en) 2010-06-01 2013-08-13 United Power Research Technology Corp. Dimmer circuit applicable for LED device and control method thereof
US8441213B2 (en) 2010-06-29 2013-05-14 Active-Semi, Inc. Bidirectional phase cut modulation over AC power conductors
US8536799B1 (en) 2010-07-30 2013-09-17 Cirrus Logic, Inc. Dimmer detection
US8569972B2 (en) 2010-08-17 2013-10-29 Cirrus Logic, Inc. Dimmer output emulation
US8941316B2 (en) 2010-08-17 2015-01-27 Cirrus Logic, Inc. Duty factor probing of a triac-based dimmer
US8729811B2 (en) 2010-07-30 2014-05-20 Cirrus Logic, Inc. Dimming multiple lighting devices by alternating energy transfer from a magnetic storage element
US8716957B2 (en) 2010-07-30 2014-05-06 Cirrus Logic, Inc. Powering high-efficiency lighting devices from a triac-based dimmer
WO2012027507A2 (en) 2010-08-24 2012-03-01 Cirrus Logic, Inc. Multi-mode dimmer interfacing including attach state control
US8531131B2 (en) 2010-09-22 2013-09-10 Osram Sylvania Inc. Auto-sensing switching regulator to drive a light source through a current regulator
CN103270678B (en) 2010-11-04 2016-10-12 皇家飞利浦有限公司 Switchover power converter input voltage approximation zero crossing determines
PL2681969T3 (en) 2010-11-16 2019-11-29 Signify Holding Bv Trailing edge dimmer compatibility with dimmer high resistance prediction
JP5666268B2 (en) * 2010-11-26 2015-02-12 ルネサスエレクトロニクス株式会社 Semiconductor integrated circuit and operation method thereof
JP5834236B2 (en) 2011-05-12 2015-12-16 パナソニックＩｐマネジメント株式会社 Solid light source lighting device and lighting apparatus using the same
US9060397B2 (en) * 2011-07-15 2015-06-16 General Electric Company High voltage LED and driver
WO2013090852A2 (en) 2011-12-14 2013-06-20 Cirrus Logic, Inc. Adaptive current control timing and responsive current control for interfacing with a dimmer
US9655202B2 (en) 2012-07-03 2017-05-16 Philips Lighting Holding B.V. Systems and methods for low-power lamp compatibility with a leading-edge dimmer and a magnetic transformer

Also Published As

Publication number Publication date
EP2820919A1 (en) 2015-01-07
US9167662B2 (en) 2015-10-20
US20130221871A1 (en) 2013-08-29
WO2013126836A1 (en) 2013-08-29

Similar Documents

Publication Publication Date Title
WO2013126836A8 (en) Mixed load current compensation for led lighting
WO2012007798A3 (en) Bleeding circuit and related method for preventing improper dimmer operation
WO2012081878A3 (en) Led lighting apparatus driven by alternating current
WO2012162510A3 (en) Controlling the light output of one or more leds in response to the output of a dimmer
EP2364064A3 (en) LED lighting device
EP2672785A3 (en) Illumination controller and illumination system including same
MX2015014492A (en) Solid state lighting fixture with incandescent dimming characteristics.
MX340611B (en) Analog circuit for color change dimming.
WO2008112733A3 (en) Color variations in a dimmable lighting device with stable color temperature light sources
WO2009081402A3 (en) Controller and method for controlling an intensity of a light emitting diode (led) using a conventional ac dimmer
EP2779798A3 (en) Lighting apparatus
WO2010027817A3 (en) Power factor correction in and dimming of solid state lighting devices
EP2938164A3 (en) Multi-bleeder mode control for improved led driver performance
MX2013012800A (en) Dimming for constant current led driver circuit.
WO2014099987A4 (en) Light fixtures, systems for controlling light fixtures, and methods of controlling fixtures and methods of controlling lighting control systems
TW200727047A (en) Flat lighting source, luminance correcting circuit, luminance correcting method and liquid crystal display
WO2013071181A3 (en) Color mixing of electronic light sources with correlation between phase-cut dimmer angle and predetermined black body radiation function
MX2015014934A (en) Lighting systems and methods providing active glare control.
EP2515613A3 (en) Sted-down converter for LEDs with inrush current limiting circuit
EP2797387A3 (en) Dimmable LED Lighting Circuits, Controllers therefor and a Method of Controlling a Dimmable LED Lighting Circuit
WO2011042510A3 (en) Dimmable lighting system
WO2014022351A3 (en) Dimming control method and apparatus for led light source
WO2009041438A1 (en) Dimming device and lighting device using same
JP2012133995A5 (en)
WO2014133349A3 (en) Control circuit of light-emitting diode lighting device

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13710654

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2013710654

Country of ref document: EP