Sun, April 26 ,2020Mon, April 27 ,2020Tue, April 28 ,2020 

Preliminary Conference Program

Sunday, April 26, 2020



14:00-14:45UV for Disinfection and Water Purification
Karl Linden | University of Colorado Boulder, USA
14:45-15:30 UV LED Lamp Systems in UV Curable Industrial Applications: Achievements and Challenges
Dawn Skinner | Heraeus Noblelight, Germany
15:30-16:00Coffee Break
16:00-16:45Applications of Ultraviolet Light in Healthcare    
Richard Martinello | Yale University, USA
16:45-17:30 UV LED Measurements – Radiometric vs. Spectroradiometric Methods
Mark Paravia | Opsytec Dr. Gröbel GmbH, Germany

Monday, April 27, 2020


Welcome & Opening Remarks


Plenary Session


UV LEDs: Recent Advances and Future Prospects of this Versatile Technology
Neysha Lobo Ploch | UVphotonics, Germany
09:30-10:00UV-LEDs for Water Disinfection: The Forefront of Research and Applications
Kumiko Oguma | The University of Tokyo, Japan
10:00-10:30UV Radiometry for LED-Based Systems
Peter Sperfeld | PTB, Germany
15:30-16:00Coffee Break


Session Mo-A2:

Session Mo-B2:
Disinfection Systems


Invited Talk:
Characteristics of UV-LED Sources for Spectroscopic Applications

Christoph Söller | Heraeus Noblelight, Germany

Invited Talk:
Defining a Figure of Merit for UVC Radiation Efficiency in a Water Disinfection Reactor
and the Impact of UVT, Reflectivity and Size

Leo J. Schowalter | Crystal IS, USA

The Application of UV-LEDs in Photometers and Fluorimeters
Ernst Eimer | F. F. Runge GmbH, Germany

Investigation of the Disinfection Performance of Three Different UV-LED Systems
Tim Schwarzenberger | DVGW – Technologiezentrum Wasser, Germany
11:40-11:55Construction and Characterization of a High-Power UV-LED Module as Radiation Source for Goniometric Spectral Radiance Factor Measurements
Irina Santourian | PTB, Germany

Selection, Evaluation and Integration of UV-LED Water Disinfection Modules
Majid Keshavarzfathy | Acuva Technologies Inc., Canada


Measuring Method for Nitrogen Oxide Gases Using a UV Oxidizer in Combination with a UV LED Analyser
Camiel Heffels | Siemens AG, Germany

Raising the Standard: The Case for Holistic Guidelines for UV-C LED Based Water Treatment Systems
Oliver Lawal | AquiSense Technologies, USA
12:10-13:00Lunch Break (Buffet) + Exhibition


Session Mo-A3:
LED Technology I

Session Mo-B3:
Medical Applications I

13:00-13:25Invited Talk:
Characterization of AlGaN Deep-Ultraviolet Light-Emitting Diodes Grown on AlN/Sapphire Templates with Dense Macrosteps and its Application of High-Speed Solar-Blind Optical Wireless

Kazunobu Kojima | Tohoku University, Japan
Invited Talk:
Disinfection in Medical Applications Using UV LEDs

Martina Meinke | Charité, Germany
13:25-13:40Disruptive GLED Devices and Disinfection Solutions Peter E. Gordon | Bolb Inc, USAElimination of the Follicular Microbiome by Utilizing UVA-LEDs
Alexa Patzelt | Charité, Germany
13:40-13:55Enhanced Light Extraction for UV-LEDs by SMD-Packaging with Integrated Reflectors
Ulli Hansen | MSG Lithoglas GmbH, Germany
Preventing Hospital-Acquired Infections with UVC LEDs
Marvin Ruffin | Excelitas Technologies Corp., USA
13:55-14:10Fabrication of Aluminum-Coated Plastic Reflectors with an Innovative Metallic Intermediate Layer for High-Power UV LED Modules
Moshe Weizman | OSA Opto Light GmbH, Germany
Stress Response Measurements in Skin Induced by UV- LEDs
Martina Meinke | Charité, Germany
14:10-15:00Coffee Break + Exhibition


Session Mo-A4:
LED Technology & Markets

Session Mo-B4:
Biotech Applications

15:00-15:25Invited Talk:
Heitz Law Applied to UV LEDs

Jennifer Pagan | Aquisense Technologies, USA
Invited Talk:
Peach Flesh Metabolome is Modulated by UV-B Radiation Although UV-B Does Not Penetrate the Peach Skin

Annamaria Ranieri | University of Pisa, Italy
15:25-15:40Advances in In-Situ Metrology of UV-LED Structures in MOCVD
Kolja Haberland | LayTec AG, Germany
Extracts from UVB Treated Plants Do Not Provoke Cytotoxicity, Genotoxicity or Oxidative Stress in Vitro
Melanie Wiesner-Reinhold | Leibniz Institute of Vegetable and Ornamental Crops e.V., Germany
15:40-15:55How the UVC LED Industry is Organizing to Reach High Power and New Applications
Pierrick Boulay | Yole Developpement SA, France
Effect of Wavelength and Intensity on E. coli Inactivation Kinetics
Dana Pousty | Tel Aviv University, Israel and University of Toronto, Canada
15:55-16:10UV-LED Activated Sensors: Semiconductor Nanostructures Integrated with Metal Nanoparticles
Fariborz Taghipour | The University of British Columbia, Canada
UVC-LED Based Pretreatment for Biofouling Control in Desalination Processes with Thin-Film Composite Membranes
Philipp Sperle | Technical University of Munich, Germany
16:10-18:30Poster Session, Exhibition

Tuesday, April 28, 2020




Session Tu-A1:
Water Disinfection

Session Tu-B1:
UV Curing

08:30-08:55Invited Talk:
UV for Disinfection and Water Purification

Karl Linden | University of Colorado Boulder, USA
Invited Talk:UV Curing Using UV LEDs
Tanja Bizjak-Bayer | Qioptiq Photonics, GermanyUSA
08:55-09:10Enhanced Disinfection Efficiencies by UVA Followed by UVC-LED Irradiation on E. coli in Water
Paul Onkundi Nyangesi | Xiamen University, China
Continuous Nap-Core Production Process Including UV-LED Curing
Mathias Köhler | Fraunhofer-Institute for Applied Polymer Research IAP, Research Division Polymeric Materials and Composites PYCO, Germany
09:10-09:25Enhanced Bacterial Inactivation through Sequential Irradiation with UV-LEDs at Specific Wavelengths
Kai Song | The University of British Columbia, Canada and Nanjing Forestry University, China
UV LED Curing in Textile Industry
Ralf Lungwitz | Sächsisches Textilforschungsinstitut e.V., Germany
09:25-09:40Wireless UV-LED Photoreactors for Environmental Remediation: Opportunities and Challenges
Mohammad Reza Eskanderian | University of Zanjan, Iran
Innovative UV LED Curable Polymer Coatings for Glass Fibers
Jürgen Rosenkranz | j-fiber GmbH, Germany
09:40-10:30Coffee Break + Exhibition
10:30-11:40Session Tu-A2:
Advanced Oxidation
Session Tu-B2:
Medical Applications II
10:30-10:55Invited Talk:
Comparing UV-LED and UV Lamps for Micropollutant Degradation with Free Chlorine Advanced Oxidation Process in Different Water Matrices

Madjid Mohseni | The University of British Columbia, Canada
Invited Talk:
UV LEDs in Medical Applications

Ewan Eadie | Ninewells Hospital, UK
10:55-11:10Removal of Sulfamethoxazole, Ibuprofen, Taste & Odor Matters by UVLED/Chlorine Oxidation Process
Taemun M. Hwang | Korea Institute of Civil Engineering and Building Technology and Korea University of Science & Technology, Korea
Development of LED Based Diffuse Reflectance Spectroscopy Device for the Non-Invasive in Vivo Measurement of UVA‑PF and SPF
Georg Wiora | Courage + Khazaka electronic GmbH, Germany
11:10-11:25Impact of Irradiation Frequencies and Duty Intervals on UV-LEDs Photoreactor Performance Used in Advanced Oxidation Processes
Mohammad Hossein Rasoulifard | University of Zanjan, Iran
On the Road to Direct, Optical, On-Line Germ Detection
Frank Stüpman | Silicann Systems GmbH, Germany
11:25-11:40Fundamentals of Design for UV-C LED Surface Disinfection Applications
Richard M. Simons | AquiSense Technologies LLC, USA
DNA Analysis with UV LEDs Martin Schädel | CiS Forschungsinstitut für Mikrosensorik GmbH, Germany
11:40-13:00Lunch Break (Buffet) + Exhibition
13:00-14:10Session Tu-A3:
LED Technology II
Session Tu-B3:
Food Disinfection
13:00-13:25Invited Talk:
Understanding the Degradation Mechanisms of UVB and UVC LEDs to Improve their Reliability

Johannes Glaab | Ferdinand-Braun-Institut, Germany
Invited Talk:
UV-C LED Usage for Bacterial Decontamination of Technical Surfaces in Food Processing

Susanne Fleischmann | Freie Universität Berlin, Germany
13:25-13:40LED Characterization and Design Implications
A. Miller | Crystal IS Inc., USA
Ultraviolet Light Decontamination in Chicken Breast Meat
Arturo Blazquez Soro | Teagasc Ashtown Research Centre, Ireland
13:40-13:55Optical Internal Quantum Efficiency Determination of UVC LEDs – Towards a Standardization of Experimental Conditions
Christian Frankerl | OSRAM Opto Semiconductors GmbH and Technische Universität Berlin, Germany
LED Technology for Decontamination of Dried Food Ingredients
Laura M. Hinds | Teagasc Food Research Centre and University College Dublin, Ireland
13:55-14:10UV-C LED Measurement Accuracy Increased through the Long Term Removal of Fluorescence Effects
Mike Clark | Gigahertz-Optik Vertriebsgesellschaft für technische Optik mbH, Germany
UV-LEDs in Water Scarce Settings: Biofouling Mitigation During Drip Irrigation with Reclaimed Wastewater in Israel
Tara E. Randall | University of Colorado Boulder, USA
14:10-15:00Coffee Break + Exhibition


Plenary Session

15:00-15:30Exploring the Wavelength and Efficiency Limits of Deep UV LEDs
Michael Kneissl | Technische Universität Berlin, Germany
15:30-16:35Joint Plenary on Standardization of UV LED (Systems) Characterization
15:30-15:50The Need for Standards in UV-LED Water Disinfection Systems, and Challenges for Application to a World Market
Gordon Knight | International Ultraviolet Association, USA
15:50-16:05New Alternative UV Test Method in NSF/ANSI 55 – Ultraviolet Microbiological Water Treatment Systems
Mike Blumenstein | NSF International, USA
16:05-16:20UV LED Disinfection for Public Water Supply: Preparation of a Test Protocol in Germany
David Warschke | DVGW, Germany
16:20-16:45Closing Remarks
16:45-17:30Panel Discussion:
Standardization: What is Needed and What is in the Pipeline?