Established in 1961, the Department of Electrical and Electronic Engineering is one of the largest departments in The University of Hong Kong and is dedicated to conducting leading-edge research. The Department has over 40 academic and teaching staff, and more than 40 laboratories with advanced equipment and facilities for supporting its teaching and research.

Among the staff is inventor Professor Ron Hui who is a pioneer and world expert in the field of energy saving and the reduction of electronic waste. His inventions on wireless charging platform technology underpin key dimensions of Qi, the world's first wireless power standard, with freedom of positioning and localised charging features for wireless charging of consumer electronics.

Professor Hui's area of expertise is in Power Electronics or the application of solid-state electronics for the control and conversion of electric power. It also refers research in electrical engineering which deals with design, control, computation and integration of nonlinear, time varying energy processing electronic systems with fast dynamics.

Professor Hui received his BSc (Eng) Hons at the University of Birmingham in 1984 and a DIC and PhD at Imperial College London in 1987. He was a Lecturer at the University of Nottingham, UK in 1987–90. In 1990, he joined the University of Technology, Sydney, and was appointed Senior Lecturer at the University of Sydney in 1992, where he became a Reader in 1995.

He joined the City University of Hong Kong (CityU) as Professor in 1996 and was promoted to Chair Professor in 1998. In 2001–04, he served as an Associate Dean of the Faculty of Science and Engineering at CityU. From July 2011, he holds the Chair Professorship at The University of Hong Kong and Imperial College London.

Professor Hui has published over 200 technical papers, including more than 160 refereed journal publications and book chapters. Over 50 of his patents have been adopted by industry. He is a Fellow of the IEEE (USA) and IET (UK) and an Associate Editor of two respected professional refereed journals.

He has been appointed twice as an IEEE Distinguished Lecturer by the IEEE Power Electronics Society in 2004 and 2006. He served as one of the 18 Administrative Committee members of the IEEE Power Electronics Society and was the Chairman of its Constitution and Bylaws Committee from 2002-10. He received the Excellent Teaching Award at CityU in 1998 and the Earth Champion Award in 2008. He won an IEEE Best Paper Award on Production and Applications of Light in 2002, and two IEEE Power Electronics Transactions Prize Paper Awards for his publications on Wireless Battery Charging Platform Technology in 2009 and on LED System Theory in 2010.

In November 2010, he received the IEEE Rudolf Chope R&D Award, the IET Crompton Medal for Achievement in Power and was elected to the Fellowship of the Australian Academy of Technological Sciences & Engineering.