Polymer LED Materials and Devices

Date: 21 Nov 2003 - 21 Nov 2003

Venue: Training Room 2, Level 3 SIMTech Tower Block, 71 Nanyang Drive


Organic light emitting diodes (OLEDs) including small-molecule-based LEDs and polymer-based LEDs (PLEDs), have attracted worldwide R&D interest in recent years because of the unique advantages such as low operational voltage, high power efficiency, sharp and full colours, easy processing, low cost and flexible device viability. It is no doubt that the OLEDs represent an alternative to the well-established displayed technologies based on cathode-ray tubes (CRT) and liquid-crystal displays, particularly with respect to large-area full colour displays for which the existing methods are not well suited. In this talk, PLEDs will be summarised in terms of materials, devices and performance, characteristics and advantages through a comparison with small-molecule OLEDs. In addition, the application of PLEDs in flexible displays and the recent development in PLEDs will also be included in this talk.

Speaker Biography

Prof Li Wenlian is a Chair Professor with the Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences (CIOMPCAS). After graduating from the Department of Semiconductor Physics of Jilin University in China, he joined CIOMPCAS and since then has been working on light-emitting materials for more than 30 years. In 1985 he joined Osaka University in Japan as a Senior Visiting Researcher working on the synthesis and physics of organic light-emitting materials for more than two years. After that Prof Li led the Organic and Electroluminescence (EL) Research Group in CIOMPCAS focusing on OLED materials and devices research and development. Under his leadership, the research group successfully developed several prototypes of OLED display panels and their pioneer work was widely recognised by peer researchers in the world. Prof Li is a well-known expert in the area of OLED, especially in the OLED materials doped by rare-earth-elements. Since 1995, he has been invited as a visiting professor to work in Kyushu University of Japan and City University of Hong Kong for several times.