This week, the inventors of the blue LED won the Nobel Prize for Physics. It just so happened that the University of Michigan announced an improvement in the technology last month: Live long and phosphor: Blue LED breakthrough for efficient electronics.
ANN ARBOR—In a step that could lead to longer battery life in smartphones and lower power consumption for large-screen televisions, researchers at the University of Michigan have extended the lifetime of blue organic light emitting diodes by a factor of 10.Congratulations to both the winners of the Nobel Prize for their discovery and to the researchers at U of M for making it even better. Also, I'm looking forward to more discussions about the practicality and esthetics of LED streetlights.
Blue OLEDs are one of a trio of colors used in OLED displays such as smartphone screens and high-end TVs. The improvement means that the efficiencies of blue OLEDs in these devices could jump from about 5 percent to 20 percent or better in the near future.
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