Recently, Professor John Kieffer of the University of Michigan in the United States led the graduate student Changgua Zhen and the team in Singapore to work together to develop a new technology that will increase the luminous efficiency of blue-emitting OLEDs to 10%.
The research team will first classify and construct the OLED composition into a computer model, and then systematically use the computer to simulate the various combinations, and finally found this result.
In 2008, scientists studied blue OLEDs. At that time, OLEDs were phosphorescent, with luminous efficiencies as high as 25% or more, but their lifetime was not ideal. Fluorescent OLEDs have a longer lifetime than phosphorescent OLEDs, but their luminous efficiency is quite low.
The industry believes that the breakthrough of OLED light efficiency technology by American scientists will be an important beginning for the research of blue fluorescent OLED.
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