Friday, May 25, 2018

Display Week Keynotes from Key Industry Leaders

One of the early highlights from each Display Week is the keynote session on Tuesday morning. This year we heard from Visionox CEO Deqiang Zhang; Douglas Lanman, Director of Computational Imaging at Oculus Research; and Nobel Laureate Hiroshi Amano, Director at the Center for Integrated Research of Future Electronics.
Dr. Zhang gave an enthusiastic overview of OLED technology and the market as well as a brief history of OLED development. He predicts an upcoming Golden Age of OLED adoption as a key driver in a world where displays are ubiquitous. Zhang provided a nice review of the past and present direction of OLED technology, future capacity, and applications. According to Dr. Zhang, the adoption and spread of OLEDs depend on collaboration across upstream and downstream partners – materials developers, equipment vendors, panel makers, system integrators and customers. A key to OLED development depends on reducing cost as well as bringing up new technology. Cost reduction is realized by building faster machines, better automation, and improved processes. As any CEO must, Dr. Zhang presented a positive outlook on the future of his business and of OLED technology as a driver of a display-centric future.
Dr. Lanman offered us some wonderful insight into the creative process at Oculus Research in its goal to deliver a “reactive display” – that is, a display that can mimic the behavior of the human visual system in a VR application. Oculus wants to deliver a visual experience that is realistic and comfortable for the user. Lanman showed us various ideas that were tried and tweaked to varying levels of success, including a mechanical varifocal display and eye tracking. The best technical solution was a “focal surface” display that uses a spatial light modulator in the viewing optics that delivers quite promising results. Oculus wants to do more than open a window on virtual reality – it wants us to be able to walk through the door.
Dr. Amano reviewed advances in LED materials and illumination technology and his contributions in these areas. These advances have made (and will continue to make) significant impacts to society and modern life because of a vast increase in the efficiency of LED light sources compared to other lighting solutions. 
These advances are leading to tremendous reductions in energy consumption and will enable increased quality of life for people with limited access to the electricity grid. 

He spent the second part of this talk reviewing advances in GaN LED physics, some of the current research, and promising future applications such as wireless power transmission and displays using RGB GaN LED nanorods. He wrapped up his presentation with an invitation to join him and a team of international researchers at the Center for Excellence for GaN Research, a cooperative effort of government, private industry, and the academy. – Tom Fiske

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