Under the support of the “Semiconductor Lighting Project†major project in the new material field of the 863 Program, the research team led by the research team led by Ma Dongge, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, recently studied the topic of “Organic Electroluminescent Materials and Devices for Lighting†( Question No.: 2006AA03A161) New progress has been made in white OLEDs, and full-fluorescence, fluorescent/phosphorescent hybrid and all-phosphorescent white OLEDs have been developed.
The developed fluorescent/phosphorescent hybrid and all-phosphorescent white OLEDs are prepared by a combination of materials independently designed and synthesized by Yinghua; full-fluorescence OLEDs utilize classical organic electroluminescent small molecular materials through innovative devices. Structured design and new interface modification technology.
At present, the luminous efficiency of white OLEDs has reached nearly 40 lm/W. The maximum brightness, maximum efficiency and life value are the best results in China, and are also better international results. The research team will continue to optimize the device structure in the next step, making greater breakthroughs in efficiency and stability, and providing strong technical support for the wide application of white OLEDs in China.
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