Keynote Speakers
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Lars Samuelson

Professor at SUSTech and Lund University

Member of the Royal Swedish Academy of Sciences (Physics) and of the Royal Swedish Academy of Engineering Sciences

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On challenges and opportunities when microLEDs “go nano”




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Wenbo Jiang

Member of Editorial Board of China Media Group (CMG)

Director of the State Key Laboratory of UHD Video and Audio Production and Broadcasting of CMG

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All-Media Ultra HD Broadcasting



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Shou Peng

Chief scientist of China National Building Materials Group Co., Ltd.

President of CNBM Research Institute for Advanced Glass Materials Group Co. Ltd.

Member of the Chinese Academy of Engineering

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Materials Broadening   Vision,Display Guiding Future




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Julie J.Brown

Member of the U.S. National Academy of Engineering (NAE)

Executive Vice President and Chief Technology Officer

Universal Display Corporation

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Next Frontiers in OLED Technology



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Huisheng Peng

Member of the Chinese Academy of Sciences

Professor at Fudan University

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Textile displays

Bio & Abstract




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Yun Wang

Director of Display and Photonics Research

Meta/Facebook

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Scalability Consideration in AR/VR Displays

Bio & Abstract


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Jang-Joo Kim

professor emeritus of Seoul National University

CEO of JooAm Co.

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Spin Mixing: A Way for OLEDs to be the Ultimate Display?

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Yun-Li (Charles) Li

Chief Executive Officer

PlayNitride

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The road to production of MicroLED display

Bio & Abstract




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Steve Yang

Director and General Manager of EmpyreanTechnology Co. Ltd

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Innovative application of OPC technology in FPD field

Keynote Introduction
Lars Samuelson:Bio

Lars Samuelson’s research is focused on nanoscale materials physics, with focus on epitaxial growth, optical properties and on applications in optoelectronics. He is Founder and Chief Scientist in high-tech companies such as Glo AB and Hexagem AB. He is a Member of the Royal Swedish Academy of Sciences (Physics) and of the Royal Swedish Academy of Engineering Sciences and awarded the Einstein Professorship by the Chinese Academy of Sciences. He is Fellow of the Inst. of Physics (FInst) and the American Physical Society, APS (Materials Physics), and Int. Fellow of the Japanese Society of Applied Physics, JSAP. In 2022 he was given the top award from the Royal Swedish Academy of Engineering Sciences, the "Great Gold Medal". In 2023 he was elected as Foreign Member of the Chinese Academy of Sciences, CAS. Samuelson is the author of well over 700 articles with h-index 91 by Web-of-Science, and 108 by Google Scholar, and listed in the top 1% highly cited researchers by Web-of-Science and has given >300 plenary/invited talks at international conferences and workshops.

Lars Samuelson:Abstract

On challenges and opportunities when microLEDs“go nano”


Lars Samuelson

1) Institute of Nanoscience & Applications, Southern University of Science and Technology, Shenzhen, China and

2) NanoLund, Lund University, and

3) Hexagem AB, Lund, Sweden


There is an urgent need to reduce the size of microLEDs for self-emissive high-resolution displays. While III-Nitride based InGaN active layers on GaNwork well for blue and green, the large lattice mis-match for red-emitting active layers, still limits the efficiencies to unacceptably low values. The approach to use GaAs/AlInGaP for red fails for LEDs much below 50μm, while AR-applications require pixel sizes down to 2μm. Inthis talk I will first review many on-going approaches towards all-InGaNultra-small microLEDs. I will then present our approach enabling arrays of relaxed sub-µm sized InGaN platelets, virtually free from dislocations with an atomically smooth top c-plane ideal for InGaN quantum well growth. The Incontents in such InGaN platelets can be tuned from 0 to 20%, enabling green and red-emitting InGaN quantum wells grown under conditions similar to highly efficient blue-emitting InGaN quantum wells on GaN.


Wenbo Jiang:Abstract

All-Media Ultra HD Broadcasting

Wenbo Jiang:Bio

Wenbo Jiang, currently serves as a member of the editorial board of China Media Group, professorate senior engineer, and director of the State Key Laboratory of UHD Communication and Presentation of China Media Group, expert obtaining special government allowances of the State Council. Additionally, he is also a member of the Ninth National Committee of China Association for Science and Technology, and the chairman of the UHD World Association. He has presided over the completion of numbers of national major projects design and scientific research projects, and have received more than ten national and provincial level awards.

Shou Peng:Bio

Peng Shou, a world-renowned expert in advanced glass materials, has been committed to the glass field for forty years, mainly engaged in scientific research.He is the 23rd president of the International Commission on Glass (ICG),director of the State Innovation Center for Advanced Glass Materials, chief scientist of China National Building Materials Group Co., Ltd., president of CNBM Research Institute for Advanced Glass Materials Group Co. Ltd., chair of Advisory Committee of ICG, member of the National Expert Committee for Industrial Foundation, and vice chairman of the Chinese Ceramic Society.


He setting up the technological and industrial innovation system for China's glass industry,He took the lead inmaking breakthroughs in the original technologies of high-end electronic glass,new energy glass, special functional glass and other advanced glass materials,he has been honored with many important awards by domestic and foreign governments and authoritative organizations, including the prestigious National Science &Technology Progress Award in China's scientific and technological community,the ICG President’s Award (the first Asian winner), the Medal forLeadership in the Advancement of Ceramic Technology of the American Ceramic Society (the only Chinese awardee), as well as the Guanghua Engineering Science& Technology Prize, the Grishmanova AI Award of RAE, the Ho Leung Ho Lee Science & Technology Innovation Award, etc. He was elected as academician of the Chinese Academy of Engineering in 2019.


Shou Peng:Abstract

Materials Broadening Vision,Display Guiding Future


Shou Peng

China National Building Materials Group Co., Ltd.,CNBM Research Institute for Advanced Glass Materials Group Co. Ltd.


At present, the scientific and technological revolution and industrial reform continue to deepen, and the strategic support role of the new generation of information display industry for the future industrial technology system is becoming increasingly prominent. In the face of the development trend of the intelligent era, the world's major countries have put forward national development strategic plans such as "digital action", showing that the material industry chain has ushered in development opportunities, but also faces adjustment and reconstruction. The report introduces the overall development of the display materials industry, focuses on analyzing the current situation, demand and development trend of several key display materials, and puts forward suggestions on the innovative development of the industry chain and supply chain of display key materials through thinking about innovation-driven, upstream and downstream collaboration, and industrial ecological construction, advocating strengthening open cooperation, jointly adapting to the new situation and coping with new challenges. Achieve new development.

Julie J. Brown:Abstract

Next Frontiers in OLED Technology

Julie Brown

Universal Display Corporation


OLED display products are multiplying in generational launches and creative form factors.   Over the past decades of market growth, the generation to generation increase for core OLED device attributes of color, efficiency,and lifetime have been addressed by continuous advances in molecular designs,device structure and mass production processes. As we look forward into the next decade of growth, the product roadmap drive towards expanding color gamut and increased brightness inspire the opportunity for new materials and technological advances. We will look out towards the next frontiers in OLED technology considering the molecule, the process, and the device.


Julie J. Brown:Bio

Dr. Julie J.Brown, Executive Vice President and Chief Technical Officer, Universal Display Corporation

Julie Brown is Executive Vice President and Chief Technical Officer of Universal Display Corporation (UDC). Since joining UDC in 1998, Dr. Brown spearheads the R&D vision of the Company, from its start-up years to its successful commercial present, and continues to create and shape the Company’s innovation strategy for its future growth. She has driven and advanced UDC’s technical vision and excellence to firmly position the Company as a leader in the invention, development, and commercialization of state-of-the-art OLED technologies and phosphorescent materials.

Previously, Dr.Brown was at Hughes Research Laboratories, where she directed the pilot line production of high-speed Indium Phosphide-based integrated circuits for insertion into advanced airborne radar and satellite communication systems(1991-1997). Dr. Brown earned her B.S. from Cornell University (1983) and then was at Raytheon Company (1983-1984) and AT&T Bell Laboratories (1984-1986).Dr. Brown received her Ph.D. (1991) in Electrical Engineering/Electrophysics from the University of Southern California.

Dr. Brown is an elected IEEE Fellow, elected SID Fellow, and inductee into the New Jersey High Tech Hall of Fame. In 2020, the Society for Information Display (SID) awarded Dr. Brown the prestigious Karl Ferdinand Braun Prize for her outstanding technical achievements and contributions to the development and commercialization of phosphorescent OLED materials and display technology. In2021, Dr. Brown was elected to the U.S. National Academy of Engineering (NAE) for her contributions to materials and device technologies for phosphorescent light emitting diode displays, and their commercialization. The NAE membership honors those who have made outstanding contributions to “engineering research,practice, or education, including, where appropriate, significant contributions to the engineering literature” and to “the pioneering of new and developing fields of technology, making major advancements in traditional fields of engineering, or developing/implementing innovative approaches to engineering education.” In 2022, Dr. Brown received the Honorary Award of the Korean Information Display Society (KIDS) in recognition of her outstanding service and contribution to Korea’s display industry and technology. Dr. Brown is a member of the board of directors of Adesis, Inc. and OVJP Corporation (UDC wholly-owned subsidiaries).


Huisheng Peng:Bio

Professor Huisheng Peng received his B.E. in Polymer Materials at Donghua University in China in 1999, M.S. in Macromolecular Chemistry and Physics at Fudan University in China in 2003 and Ph.D. in Chemical Engineering at Tulane University in USA in 2006. He then worked at Los Alamos National Laboratory before joining Fudan University in 2008. He centers on smart fiber materials and electronics. Professor Peng has published over 360 peer-reviewed papers and 2 books on fiber devices, and obtains 98 licensed patents with 47 royally transferred to the industry. His technologies have initiated three companies with three series of products available in the world market. He receives over 30 national and international awards, makes editorial services for over 20 journals, and serves for over 20 professional organizations.


Huisheng Peng:Abstract

Textile displays

Peining Chen, Huisheng Peng

Institute of Fiber Materials and Devices, Department of Macromolecular Science, and StateKey Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200438, China


With the boom of many new important fields such as flexible electronics, wearable technology and smart health management, it is necessary to make the next-generation electronic devices as thin as possible, which may produce a revolution in the world. However, there remains intrinsic challenges that seem very difficult to be overcome according to the planar structure. To this end, we have explored a new family of flexible textile displays, mainly based on the use of polymers as electrode and active materials. These novel textile displays can be made for large-scale applications with high efficiency and low cost.


Jang-Joo Kim:Bio

Jang-Joo Kim was a professor up to 2020 and is now a professor emeritus of Materials Sci. Eng. of Seoul National University and CEO of JooAmCo. His research interests include the development of highly efficient materials and devices based on Organic Semiconductors such as OLEDs and OPVs. He authored and co-authored over 330 papers and granted more than 60 patents. He is a member of Korean Academy of Science and Technology (KAST) and had servedas an Editor of Organic Electronics. He received many awards, including The Order of Science and Technology Merit of the Republic of Korea,Changjo (Creation) (The highest-level Order in Korea) in 2019, Sudang Award in 2021, Dukmyuong-KAST Engineering Awards from KAST in 2013, etc.   


Jang-Joo Kim:Abstract

Spin Mixing: A Way for OLEDs to be the Ultimate Display?

Jang-Joo Kim

Department of MSE, Seoul National University, Seoul 08826, Korea

JooAm Co.

Keywords: OLEDs, spin mixing, phosphorescence,exciplex, TADF, PSF, Hyperfluorescence


The efficiency of organic light emitting diodes has been significantly improved during the last several years by developing phosphorescent and TADF emitters with high horizontal emitting dipole orientation and high PLQY along with the development of device structure with excellent charge balance to get EQE reaching almost 40%, corresponding to almost the theoretical limit of the efficiency. The lifetime of OLEDs has also improved very much especially in red and green colors during the time. The most important remaining issue now is the development of stable deep blue OLEDs,which is a necessary condition for OLEDs to be the ultimate display over microLED display. Unfortunately, even after a few tens of years’ research, high efficiency deep blue OLEDs showed far shorter lifetime than the commercial requirement.However, there has been very significant improvement in lifetime approaching commercial level during the last few years. The improvement comes from the use of either one or combined ones of exciplex host, phosphorescence, TADF host or emitter, phosphor sensitized fluorescence (PSF), and hyperfluorescence. One common physical phenomenon in the systems is the “spin mixing”. In this talk, I will review the recent progress in spin-mixing for the development of deep blue OLEDs and discuss how to get further development to realize them up to the commercial level based on recent works in my group and other groups.


(1) Y.-S. Park, S. Lee, K.-H. Kim, S.-Y. Kim, J.-H. Lee, J.-J. Kim, Adv. Functional Mater., 2013, 23, 4914.

(2) S.-Y. Kim, W.-I. Jeong, C. Mayr, Y.-S. Park, K.-H. Kim, J.-H. Lee, C.-K.Moon, W. Brutting, J.-J. Kim, Adv. Functional Mater., 2013, 23, 3896.

(3) J. Sun, J.-H. Lee, C.-K. Moon, K.-H. Kim, H. Shin, J.-J. Kim, Advanced Materials, 2014, 26, 5684.

(4) H. Shin, S. Lee, K.-H. Kim, C.-K. Moon, S.-J. Yoo, J.-H. Lee, J.-J.Kim, Advanced Materials, 2014,26, 4730.

    (5) J.-H. Lee, H. Shin, J.-M.Kim, K.-H. Kim, J.-J. Kim, ACS applied materials & interfaces, 2017,9, 3277.

    (6) J. Sun, S. Kim et al., Nature Photonics, 2022, 16, 212.

(7) H.‐G. Kim, K.‐H. Kim, J.‐J. Kim, Adv. Mater., 2017, 29, 1702159.

(8) H.-G. Kim, H. Shin, Y. H. Ha, R. Kim, S.-K. Kwon, Y.-H Kim, J.-J.Kim, ACS applied materials & interfaces,2018, 11, 26.

(9) E. Kim,S. Kim, et al., Science Adv. 2022, 8,eabq1641.

(10) H. Lim, H. J. Cheon, S.‐J. Woo, S.‐K. Kwon, Y.‐H. Kim, J.‐J. Kim, Adv.Mater., 2020, 32, 2004083.

(11) J.-S. Huh, M.-J. Sung, S.-K. Kwon, Y.-H. Kim, J.-J. Kim,   Adv. Funct.Mater. 2021, 31, 2100967

(12) J.-S. Huh, K.-H.Park, S.-K. Kwon, Y.-H. Kim, J.-J. Kim, et al.,Chemical Engineering Journal, 2022,450, 137836

(13) S. Nam, J. W. Kim, H. J. Bae, Y. M. Maruyama, D. Jeong, J. Kim, J. S.Kim, W.-J. Son, H. Jeong, J. Lee, S.-G. Ihn, and H. Choi, Adv. Sci. 2021, 8,2100586.



Yun Wang: Bio

Dr. Yun Wang has over fifteen years of display product and research development experience in consumer electronics. Currently, Dr. Wang is the Director of Display and Photonics Research at Meta/Facebook, responsible for developing novel display concepts and technologies for AR and VR displays. Before that, he led a display panel engineering team at Apple and co-invented the iPhone LTPOTFT backplane technology. He led the iPhone LTPO technology development from incubation, proof-of-concept, and prototype to mass production in the first LTPO iPhone with 10-120Hz adaptive refresh rate display. Before that, Dr. Wang led the engineering team at Intermolecular Inc developing high-mobility IGZO TFT and high-k dielectrics storage capacitors for high PPI LCD applications. Dr. Wang received his Ph.D. in electrical engineering from Rutgers and holds over 100 patents and 14 technical papers.


Yun Wang: Abstract

Scalability Consideration in AR/VR Displays

Yun Wang


In this talk, we will explore the scalability of components in AR/VR displays and how it impacts the development of immersive experiences.With the expectations of consumers for launch of small form-factor, lightweight AR devices in the coming years, it is crucial to understand how the components that make up these displays can be scaled for mass production while maintaining performance and functionality. Through this talk, attendees will gain insights into the technical and practical considerations that need to be taken into account when developing scalable components for AR/VR displays. We will discuss the latest advancements in AR display technology and how they can be leveraged to create immersive experiences that meet consumer expectations.

Yun-Li (Charles) Li:Bio

Dr. Yun-Li (Charles) Li is the CEO and co-founder of PlayNitride, one of the most advanced MicroLED companies in the world. PlayNitride was established by Dr. Li and his partners in 2014. Under Dr. Li's leadership, PlayNitride keeps the leader position in development and production of MicroLED display technology. From September 2019, PlayNitride starts running the first MicroLED production line in Taiwan to deliver productsto customers. In August 2022, PlayNitride became the first IPO company of Taiwan Innovation Board.


Dr. Li received his Ph.D. degree from Rensselaer Polytechnic Institute (USA) with Prof. Fred Schubert in 2003. Dr.Li's Ph.D. work focused on gallium nitride (GaN) based light-emitting diodes(LEDs) and LED-based applications.


In 2020, Dr. Li received Special Recognition Award from Society for Information Display (SID).It recognized Dr. Li and his team in development and commercialization of MicroLED technology. It also indicated that MicroLED has been identified as the new generation display technology and key development topic.


Yun-Li (Charles) Li:Abstract

The road to production of MicroLED display

Yun-Li (Charles) Li

PlayNitride


Due to its excellent optoelectronic properties, MicroLED display technology is considered the most crucial display technology for the next generation. Compared to conventional display technologies, MicroLED technology is more energy-efficient, has a longer lifespan, higher brightness, higher pixel density, and a broader color gamut.With the research and development progress in recent years, MicroLED technology has become increasingly mature. Many different applications, including large-size TVs, wearable devices, and AR glasses, have experienced rapid development,with products hitting the market. However, mass production of MicroLED displays is not straight forward, as there are still numerous related issues to be resolved. Beyond the technical challenges, the composition and collaboration within the industry ecosystem are equally important, and these aspects will be discussed in this presentation.


Steve Yang:Bio

Steve Yang, Director and General Manager of Empyrean Technology Co.Ltd. A senior engineer with a Bachelor's degree in Microelectronics from theDepartment of Electronic Engineering at Tsinghua University and a Ph.D. inElectronic and Computer Engineering from the University of California, SanDiego.


Steve Yang:Abstract

Innovative application of OPC technology inFPD field

Steve Yang

Director and General Manager ofEmpyrean Technology Co. Ltd


With the continuous evolution of panel manufacturing technology andthe increasing diversity of functional scenarios, the increased complexity ofdesign circuits has brought great challenges to the manufacturing process.

Especially in the manufacturing ofsmall-size panels, issues such as inconsistent line widths, broken lines, andshort lines frequently occur, seriously affecting product yield. Traditionalempirical references and DOE test methods can no longer meet current designrequirements.

Aiming at this industry pain point, Empyrean has successfullylaunched an innovative OPC solution with its deep technical accumulation. Thissolution fully adapts to multi-layer structure simulation, supports designcorrection at at any angle, and seamlessly integrates with Empyrean softwaredesign platforms. It can accurately, efficiently and comprehensively solvecurrent process challenges, significantly improve product yield, reduce costlosses, and enhance market competitiveness.






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