2018 Speaker Lineup

Meet the experts who are presenting at this year's program.

  • Byeong-Soo Bae

    Founder and CEO/ Professor Solip Tech. Co., Ltd., Korea / KAIST, Korea

    Byeong-Soo Bae is a founder and CEO of Solip Tech. which is a KAIST spin-off company to commercialize his own developed hybrimer (sol-gel siloxane materials) technology for display and optoelectronic applications.  Also, he is Professor and Director of Wearable Platform Materials Technology Center in KAIST, Korea.  He has worked on sol-gel based oxide, hybrid and composite materials for displays and optoelectronic applications such as waveguides, micro-optics, PDP, LCD, OLED and LED etc.

    He received Ph.D from University of Arizona, M.Eng. from Drexel University in USA and B.Eng. from Seoul National University in Korea all in Materials Science and Engineering.

  • William Beers, Ph.D.

    DFSS Black Belt / Senior System Engineer Current, powered by GE

    Dr. Beers, DFSS Black Belt/Senior Systems Engineer – Phosphors, joined GE Lighting in 1983 after receiving his Ph.D. in Inorganic Chemistry from Iowa State University.  His work has been primarily in lighting phosphors but also includes phosphors for other applications and fluorescent lamp design.  The work has resulted in implementation of new phosphor syntheses, quality improvements, cost reductions, and several new product introductions in both North America and Europe. His joint work with Dr. Alok Srivastava on quantum splitting phosphors resulted in the first publications and patents on QSP in oxide materials. In addition to synthesis, his expertise is in powder x-ray diffraction, vacuum UV spectrometry, experimental design, and the relationship between lamp spectra and human reaction such as color rendering and circadian rhythms.  Dr. Beers has 25+ publications/conference proceedings, 60 issued US patents and 25+ US patents in process.

     

  • Dun Bian

    General Manager ZQ Tech

    Mr. Dun Bian is the Co-Founder and General Manager of Tianjin Zhonghuan Quantum Tech Co., Ltd. He works as Sales Manager and Technology Consultant in Tianjin Zhonghuan Electronic Information Group Co., Ltd., and has more than 36 years experiences in electronic lighting and display technology.

  • Jakoah Brgoch

    Professor University of Houston

    Prof. Jakoah Brgoch completed his bachelors and masters in Chemistry from Illinois State University followed by his Ph.D. investigation magnetism in borides from Iowa State University under the supervision of Gordon Miller. Following postdoctoral research at the University of California, Santa Barbara in the Materials Research Laboratory, Jakoah joined the Department of Chemistry at the University of Houston. Jakoah is now leading a multidisciplinary research group with research topics ranging from the development of persistent luminescent materials for bio-imaging and inorganic phosphors for LED lighting, to understanding the mechanical response in super hard materials all through a combination of materials synthesis, characterization, first-principles computation, and machine learning.

  • Mikhail G. Brik

    Professor Institute of Physics, University of Tartu

    Professor Mikhail G. Brik received his PhD degree from Kuban State University (Krasnodar, Russia) in 1995 and his Doctor of Science (habilitation) degree from the Institute of Physics, Polish Academy of Sciences (Warsaw, Poland) in 2012. Since 2007 he has been taking a Professor position at the Institute of Physics, University of Tartu, Estonia. Before that, he had been working in Kyoto University (Kyoto, Japan), 2003- 2007; Weizmann Institute of Science (Rehovot, Israel), 2002; Asmara University (Asmara, Eritrea), 2000-2001; Kuban State University (Krasnodar, Russia), 1995-2000. He is also a Guest Professor at Chongqing University of Posts and Telecommunications (China), Institute of Physics, Polish Academy of Sciences and Jan Dlugosz University (both in Poland). Since 2015 he serves as one of the Editors of the “Optical Materials” journal (Elsevier). His area of scientific interests covers theoretical spectroscopy of transition metal and rare earth ions in optical materials, crystal field theory, ab initio calculations of physical properties of pure and doped functional compounds. He is a co-editor of two books, author of 11 book chapters and about 340 papers in international journals. According to Google Scholar, he has more than 5100 citations with h-index=35. In 2013 he has received the State Prize of Republic of Estonia in the field of exact sciences.

  • Rémy Broersma

    Project Manager & Senior Scientist Philips Lighting

    MSc Degree in Chemical Engineering from Eindhoven University of Technology

    Current role in Philips Lighting Research, department of LED & Optics as Project Manager/ Senior Scientist

    I have 20 years experience in Lighting, starting as project manager in pre-development and development in the field of fluorescent and automotive lighting.

    The last 10 years I have been specializing in light conversion for LED light sources, focusing on quality of light in various application area’s, like Homes, Office, Retail, Special Lighting and Human Centric Lighting.

  • Dr. Danielle Chamberlin

    Director of Converter Technology Lumileds

    Dr. Danielle Chamberlin is the Director of the Converter Technology Group at Lumileds.

  • Dr. Hergen Eilers

    Sr. Scientist & Associate Director, ISP/Applied Sciences Laboratory Washington State University

    Dr. Eilers is a Senior Scientist and Associate Director at Washington State University’s (WSU) Institute for Shock Physics - Applied Sciences Laboratory (ASL). He received a Ph.D. in Physics from the University of Hamburg’s Institute for Laser Physics, but conducted his research work at the University of Georgia, USA. In addition, he holds an MBA from Golden Gate University. After postdoctoral work at VA Tech, he worked for about a decade in R&D and product management positions in three small companies. His work focused on thin-film phosphors in microcavities, thermo-optic polymers for telecom applications, and transparent ceramics. In 2004, he joined WSU’s ASL, a contract research organization focusing on solving problems related to energy, national security, advanced materials and sensors, and research specific to industry needs. His current work focuses on optical properties of materials – mostly lanthanide-doped dielectrics – and optical spectroscopy for diagnostic purposes in extreme conditions / harsh environments.

  • Gary Feather

    CTO NanoLumens

    Gary Feather is a senior operations executive and an expert in the worlds of display technology, imaging, lighting and energy systems.  His focus is in shortening innovation time to market.  He holds 12 US patents with co-inventors in video systems, display and LED systems.  Gary began his career at Texas Instruments in radar systems where he progressed his career through defense systems, microelectronics packaging and launching the DLP MEMS display solution.  Moving to Sharp Laboratories, Gary focused on ATSC systems with DTV displays and evolution of high performance HDTV LCD TV with IP connectivity.  As the SVP in Sharp Electronics he created the US based LED commercial industrial lighting business for Sharp. Today Gary currently spearheads new products development, innovation and operations as CTO of NanoLumens, a large area display visualization company. 

  • Dr. Amador García-Fuente

    Professor University of Oviedo

    Dr. García-Fuente received his Ph.D. in theoretical calculations for solid state physics under the supervision of Prof. Dr. A. Vega in 2012 at the University of Valladolid. He had a postdoctoral fellow at the University of Fribourg, working on the prediction of 4fn and 4fn-15d multiplets of lanthanide ions embedded in a host lattice. Since 2015, he works at the University of Oviedo in a multidisciplinary project where systems based on lanthanide ions are considered for biomedical applications.

  • Samuel Halim

    Co-Founder & CEO Avantama

    Samuel is co-founder, CEO and president of Switzerland based Avantama Ltd. Samuel earned his PhD in Chemical Engineering from ETH Zurich after an education in materials science and engineering in Zurich, Lausanne and Stockholm. He is co-inventor of technology that was acquired by a Fortune 100 company and also winner of the Venture Leaders 2009 award.

  • Eric Haugaard

    Director of Product Technology Cree Lighting

    Eric Haugaard is the Director of Product Technology for Cree Lighting. His career of 29 years includes a variety of positions primarily focused on advanced lightning systems development. Eric holds a Bachelor of Science degree in Mechanical Engineering, with Post-Baccalaureate Program studies completed at NASA/Ames Research Center.  He holds 48 US and 16 foreign patents related to lighting technology.

  • Dr. Frank Jermann

    Senior Principal Key Expert - Materials OSRAM Opto Semiconductors

    Dr. Frank Jermann received his PhD in Physics in 1994 at the University of Osnabrueck, Germany. In 1995 he joined Siemens Corporate Technology and started working on novel luminescent materials for Computed Tomography. In 1996 he received the Siemens Innovation Award for his contributions to this topic. He moved to OSRAM R&D in 2001 where his primary focus was the discovery and optimization of novel LED phosphors. In 2005 he became head of the LED phosphor development and in 2011 of general phosphor R&D at OSRAM. In 2014 he was appointed as Senior Principal Key Expert covering the technology field ‘Materials’. His work so far resulted in about 80 issued US patents and more than 30 publications.

  • Prof. Dr. Thomas Jüstel

    Dept. Chemical Engineering University of Applied Sciences Münster

    Prof. Dr. Thomas Jüstel was born in Witten, Germany in 1968. He studied chemistry and biology at the Ruhr-University of Bochum from 1987 to 1992. He received his Ph.D. in coordination chemistry in spring 1995 in the group of Prof. Dr. Karl Wieghardt. Afterwards, he worked as a postdoctoral fellow at the MPI Muehlheim for Radiation Chemistry.

    He was hired by the Philips Research Laboratories Aachen in summer 1995 as a Research Scientist, where he started to work on luminescent materials. Some years later he became a Senior Scientist and then he was promoted to a Principal Scientist in 2003. In spring 2004 he became a professor for Inorganic Chemistry and Material Sciences at the Muenster University of Applied Sciences. His research group deals with photochemistry, nanoscale and m-scale luminescent materials for LEDs, UV radiation sources and x-ray detectors. He also consults several chemical and lighting companies.

    His work has been published in 100 papers and lead to more than 180 patents on luminescent compositions and their application in fluorescent lamps, plasma displays, x-ray detectors, and LEDs.

    • Germany
  • Minsung Kim Ph.D.

    Senior Research Engineer LG Electronics

    Minsung Kim is a part of the Materials Characterization Team, Materials & Devices Advanced Research Institute, LG Electronics Inc. Kim is involved in synthesis phosphor powder and fabrication of phosphor ceramics as a member of Advanced Materials Team in LG electronics. He also studied Ph.D course with theme of solution based synthesis process of inorganic phosphors in Tohoku University in Japan.

  • Dr. Marco Kirm

    Professor University of Tartu

    Dr. Marco Kirm received his degree in Physics from the University of Lund, Sweden, where he investigated relaxation processes of electronic excitations in wide gap insulators using synchrotron radiation. Thereafter he was PostDoc at Hamburg University and beam-line scientist at SUPERLUMI (DORIS). He is a professor at the Institute of Physics, University of Tartu in Estonia with a research focus on novel light emitting materials and ultrafast processes in scintillators and published 240 papers.

  • Mike Krames

    Senior Advisor Seaborough Research BV

    Dr. Mike Krames is a 20 year veteran in the compound semiconductor industry, in both start up and large research and development organizations. Dr. Krames was Chief Technology Officer at Soraa, Inc., an LED product company founded by Nobel Prize winner Shuji Nakamura. Prior to that, he was Executive Vice President at Philips Lumileds, where he ran the Advanced Laboratories and pioneered programs in LEDs and luminescence, focusing on materials, devices, and systems for applications to lighting and displays.  He is currently Sr. Advisor to Seaborough Research BV, based in The Netherlands, and also President & Owner of Arkesso LLC, a consulting firm based in Silicon Valley, California.

    Mike is a recognized world authority on visible-spectrum LEDs and their applications for lighting and displays. He has served on numerous roundtables and panels for the U.S. Department of Energy. He is a Senior Member of IEEE and has over 80 peer-reviewed publications and more than 200 patents granted worldwide.

  • Vincent Lee

    Founder & CEO Lumiode, Inc.

    Vincent Lee is the Founder and CEO of Lumiode. Prior to forming Lumiode, Vincent earned his Ph.D. at Columbia University in Electrical Engineering, where he developed Lumiode’s core technology. At Columbia, he worked at GlobalFoundries advancing back-end-of-line interconnects for next generation microprocessors, and was a Senior Fellow in the Columbia Technology Ventures Fellows Program. Vincent is a Fellow in the New York chapter of the Startup Leadership Program and is also involved as Vice Chairman for the local chapter of the Society for Information Display helping to organize local speakers and events for the display community

  • Dr. Alan Lenef

    Senior Staff Scientist in Materials R&D OSRAM Opto Semiconductors

    Alan Lenef is a Staff Scientist with OSRAM SYLVANIA at the Central Research and Services Laboratory in Beverly, Massachusetts, where he has been since 1995.  Before LEDs become viable for lighting applications, he worked on electrode-plasma interactions in high-pressure discharge lighting.  As lighting began to transition to solid-state sources, he has been working on optical properties of phosphor materials, developing new phosphor technologies and supporting the development of new phosphor materials.  He was recently part of a team which received an R&D 100 award for a laser-phosphor based fiber light-source.  Alan holds an MS degree in Electrical Engineering from the University of Illinois.  He received his PhD in Applied Physics from the University of Michigan in 1993 in the field of ultra-fast spectroscopy, followed by a post-doc at MIT working in the field of atom-optics.  He has 20 publications, 4 patent awards, and made over 30 conference presentations.

     

  • Professor Ru-Shi Liu

    Professor, Department of Chemistry National Taiwan University

    Professor Ru-Shi Liu received his Bachelor degree in Chemistry from Shoochow University (Taiwan) in 1981. He got his Mater Degree in nuclear science from the National Tsing Hua University (Taiwan) in 1983. He obtained two PhD degrees in Chemistry from National Tsing Hua University in 1990 and from University of Cambridge in 1992. He joined Materials Research Laboratories at Industrial Technology Research Institute as an Associate Researcher, Research Scientist, Senior Research Scientist and Research Manager from 1983 to 1995. Then he became an Associate Professor at the Department of Chemistry of the National Taiwan University from 1995 to 1999. Then he promoted as a Professor in 1999. In July 2016, he became the distinguished Professor.

    He got the Excellent Young Person Prize in 1989, Excellent Inventor Award (Argentine Medal) in 1995 and Excellent Young Chemist Award in 1998. He got the 9th Y. Z. Hsu scientific paper award due to the excellent energy saving research in 2011. He received the Ministry of Science and Technology award for distinguished research in 2013. In 2015, he received the distinguished award for Novel and Synthesis by IUPAC & NMS. In 2017, he received Zhongshan academic medal. His research is concerning Materials Chemistry.

    Based on Web of Science (WOS) till May 2017, Prof. Liu has published more than 500 papers in the international Journals from the Science Citation Index Expanded (SCI-EXPANDED) data base which has been cited more than > 10,300 with H-index of 51. Each paper has been cited 23.7 times.

  • Prof. Dr. Andries Meijerink

    Professor University of Utrecht

    Professor Andries Meijerink (52) leads an active research group that focuses on the optical spectroscopy of lanthanide ions in solids and of semiconductor quantum dots. In the field of lanthanide ions his recent work involves fundamental research on finding new concepts also related to applications in solar cells, LEDs and scintillators. The research on quantum dots is aimed at unraveling the influence of quantum confinement and surface effects on the electronic structure of quantum dots through optical spectroscopy and using the quantum dots as labels in bio-imaging. For his research Andries Meijerink has received several awards, including the DSM Award for Chemistry and Technology (1989), the Shell Incentive Award (1995), the Gold Medal of the Royal Dutch Chemical Society (1999) and the Centennial Award for Luminescence and Display Materials from the Electrochemical Society (2002). In 2009 he was elected as a member of the Royal Netherlands Academy of Sciences.

  • Masayoshi Mikami

    Senior Scientist , Yokohama R&D Center Mitsubishi Chemical Corporation

    Masayoshi Mikami works as a senior scientist at Yokohama R&D Center, Mitsubishi Chemical Corporation, Japan. He received his master degree in applied physics (1993), and earned his PhD (2001) at the University of Tokyo, Japan, on the first-principles study of yttrium oxysulfide (Y2O2S): bulk and its intrinsic defects. He joined Mitsubishi Chemical Corporation in 1993. Since then, he has been eagerly pursuing a theoretical/computational chemistry approach, from molecular crystals to inorganic functional materials. His interests include exploration and analysis of phosphors for white LED and scintillators from theoretical/computational perspective. His work has produced more than 40 scientific publications, including several review articles.

  • Dr. Alexander Moewes

    Professor & Canada Research Chair in Materials Science University of Saskatchewan

    Prof. Moewes obtained his Ph.D. in Physics in 1995 at the University of Hamburg in Germany. After a postdoc at Tulane University (New Orleans) and an Assistant Professor position at Louisiana State University, he joined in 2000 the University of Saskatchewan as an Associate Professor and was promoted to Professor in 2003. Since 2002, Prof. Moewes holds various Canada Research Chairs for materials science with synchrotron radiation.

    His area of research is condensed matter physics and materials science and he studies the electronic structure of new materials. His group uses synchrotron-based soft X-ray spectroscopy and advanced theoretical calculations to characterize, understand and tailor new materials ultimately to be used for sensors, lighting devices and other applications. Prof. Moewes has made contributions to two-dimensional systems (graphene, silicene), spinelectronic systems, ultra-hard materials, and materials for lighting devices (pcLEDs). Professor Moewes has authored over 250 peer-reviewed publications and has graduated over 20 students since 2000. 

  • Gerd O Mueller

    Independent Consultant and Part Owner GOMMAconsult GmbH

    Dr. Mueller studied physics and mathematics at Humboldt University in Berlin, Germany, received his dipl. phys., Dr.rer.nat., Dr.sc.nat. from his alma mater. Was appointed Professor of Solid State Physics 1978. Worked mainly on luminescence and high excitation of semiconductors, thin film electroluminescence. Hired into Hewlett Packard Laboratories, Palo Alto, USA in 1994 he worked mainly on the latter subject until he opted for the Joined Venture of HP-Agilent and Philips,“Lumileds”, in 2000. In the Advanced Lab of Lumileds he was engaged in fundamental work on “droop” in LEDs and mainly together with Regina Mueller-Mach on phosphor converted LEDs for SSL. He retired in 2009 and since then works as independent consultant and part owner of GOMMAconsult GmbH. He co-authored about 80 US patents, owns one privately together with his wife R. Mueller-Mach, and wrote more than 100 papers. He is member of the editorial board of physica status solidi (a) (Wiley) and Editor of Vol. 64/65 “Electroluminescence I and II” of the Academic Press series ‘Semiconductors and Semimetals’.

  • Dr. Robert Nick

    Research Scientist MIT

    Dr. Robert Nick is currently a staff scientist in the Research Laboratory of Electronics at MIT.  Previously, he was Vice President, Research & Development for QD Vision. He has more than 26 years of experience in developing and commercializing new materials and processes, and was a member of the team that commercialized some of the first quantum dot products in televisions and displays. 

    Prior to joining QD Vision, Nick was Technology Manager at Cabot Corp. where his responsibilities encompassed R&D and product development for electrophotographic toners and self-dispersing pigments for high speed inkjet color printing applications.  As a technical/quality manager for Cabot’s fumed metal oxide commercial production plant, Nick was responsible for plant technical troubleshooting, specifications setting, product & raw material quality management, excursion RCCA activities and new product scale-up.

    Nick has an additional 8 years of experience with General Electric, where he held a variety of technical positions as staff scientist at Corporate R&D and a manufacturing technologist at GE Plastics plants developing high performance polymers. He has significant international technology development & manufacturing experience and obtained a Six Sigma Black Belt certification.

    Nick holds a BA degree from The Johns Hopkins University as well as MA & PhD degrees from Princeton University, all in chemistry.  He has 34 filed and issued patents and 10 academic publications.

  • Dr. Morgan Pattison

    President, Senior Technical Advisor Solid State Lighting Services, DOE SSL Program

    Morgan Pattison is President of SSLS, Inc. a technical consulting firm focused on LEDs, OLEDs, and solid state lighting.  He also serves as Senior Technical Advisor to the U.S. DOE Solid State Lighting Program.  In this capacity Morgan provides technical direction for DOE supported R&D, co-authors the DOE SSL Multi-Year Program Plan and Manufacturing Roadmaps, and monitors DOE supported R&D projects.  Morgan has a Ph.D. in Materials Science from the University of California, Santa Barbara with an emphasis on electronic and photonic materials.  At UCSB Morgan performed research on GaN micro-cavity LEDs, non-polar LEDs, laser diodes, VCSELS, and UV LEDs.

  • Dr. Ralf Petry

    Lab Manager | Performance Materials | Advanced Technologies | R&D Lighting Merck KGaA

    Ralf Petry earned a PhD Degree in Physical Chemistry of University in Giessen, Germany. In 2002 he joined Merck KGaA Darmstadt, Germany. After working as a Scientist in several inorganic material development units of Merck Germany he joined in 2007 the Department of  "Advanced Technologies R&D Lighting“ of the Performance Materials Division. There he holds a position as a Lab Manager and he contributed in nearly 40 Patents and Publications on LED-Phosphor topics.

  • Dr. Martin Purschke

    Instructor in Dermatology & Assistant in Biochemistry Wellman Center for Photomedicine Massachusetts General Hospital/Harvard Medical School

    Martin Purschke studied chemistry in Oldenburg, Germany and finished his Master of Science in chemistry/environmental biochemistry in 1999. During his Ph.D. program at the Radiation Oncology department of the University Hospital Hamburg Eppendorf, he moved his focus from chemistry to cell biology. After finishing his Ph.D. thesis in 2004, he started his postdoctoral fellowship in the Radiation Oncology department at Massachusetts General Hospital / Harvard Medical School, where he continued his research in the field radiation biology. He compared and evaluated the cellular stress responses of non-irradiated bystander cells which were cultured with irradiated cells

    In 2007, Dr. Purschke changed departments within Harvard Medical School to join the Wellman Center for Photomedicine (Dermatology Department) for a 2nd postdoctoral fellowship. Here he got introduced to a translational clinical environment. During the first year he discovered a new thermal effect in co-cultured non-heated bystander cells which he coined “Active Thermal Bystander Effect (ATBE)”. In 2010, he got promoted to an Instructor in Dermatology and received his first research grant to continue his research by focusing on the mechanism and potential clinical applications of the ATBE.              

    Recently, Dr. Purschke started a new project where he combines his previous radiation work with his current photomedicine expertise. He focused on improving radiation therapy by using a unique form of radiosensitizer. These novel radiosensitizer are made from high z elements which have the additional ability to emit localized UV photons at the tumor site. High energetic X-rays will be down converted into softer x-ray and into UV radiation. These UV photons are capable to interact directly with cellular DNA in an oxygen independent way to target radioresistant hypoxic tumor areas. 

  • Dr. James Raring

    President and VP Engineering SLD Laser

    Dr. James Raring has worked in the field of photonics for over 15 years and has extensive general management and product development experience. Dr. Raring received his B.S. and Ph.D. degrees in Materials Engineering from Cal Poly San Luis Obispo and the University of California Santa Barbara, respectively.

  • Prof. Dr. Werner Urland

    Professor University of Fribourg

    Prof. Dr. Werner Urland received his PhD in inorganic chemistry in 1971 from Giessen University. During his PhD he joined the group of Prof. Lord J. Lewis at the University of London and worked together with Dr. M. Gerloch in the field of magnetochemistry. Afterwards, he spent two years as a postdoctoral fellow at the University Chemical Laboratory in Cambridge in the group of Prof. Dr. A.D. Buckingham doing theoretical chemistry. After his habilitation on magnetochemistry of lanthanide compounds in 1980 he joined the group of Prof. Dr. A. Simon at the Max-Planck-Institute for solid state research in Stuttgart. In 1986 he became a professor for Inorganic Chemistry at the University of Hannover. His research as a guest professor at the University of Fribourg (Switzerland) and his current scientific activity at his private institute at Muralto is focused on the theory of 4f- and 5f-systems.

  • Eric Virey

    Senior Market & Technology Analyst Yole Développement

    Dr Eric Virey serves as a Senior Market and Technology Analyst and helps the development of the LED and sapphire activities at Yole Développement (Yole), the “More than Moore” market research and strategy consulting company. Since 2009, he’s contributed to numerous custom projects in the LED, sapphire and display industries and authored multiple market reports.

    Eric has spoken in more than 25 industry conferences and has been interviewed or quoted in multiple media over the world including: The Wall Street Journal, CNN, Fox News, CNBC, Bloomberg, Financial Review, Forbes, L’Usine Nouvelle, MIT’s Technology Review, Photonic Spectra etc…

    Before that, he’s held various R&D, engineering, manufacturing and marketing positions with Fortune 500 Company Saint-Gobain in France and the United States.

    Dr Eric Virey received a Ph-D in Optoelectronics from the National Polytechnic Institute of Grenoble.

  • Dr. Sadakazu Wakui

    Engineer of LED Back-End Material Engineering Department Nichia

    Wakui-san received his Ph.D. in Engineering in 2010 at the University of Electro-Communications, Japan.  His research interest at the doctoral course is nano-scale dielectric properties near semiconductor / oxide interfaces using first principles calculations.  Since joining Nichia in 2010, Wakui-san has been working in the development of new phosphors

  • Chulsoo Yoon

    Master Samsung Electronics

    Chulsoo Yoon is a Master at Samsung Electronics.