Toshinari Ogiwara

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
SUMMARY We carried out degradation analysis of a blue phospho-rescent organic light emitting diode by both impedance spectroscopy and transient electroluminescence (EL) spectroscopy. The number of semicircles observed in the Cole-Cole plot of the modulus became three to two after the device was operated for 567 hours. Considering the effective layer(More)
  • 1