SEL wins Invention Award from Japan Institute of Invention and Innovation


May 2018
Semiconductor Energy Laboratory Co., Ltd.



SEL has been awarded the “National Commendation for Invention: Invention Prize” from Japan Institute of Invention and Innovation (JIII) for “Invention of a method for a highly efficient long-lived organic light emitting diode (PAT. No. 5420692)”.
The awarded patent is related with the SEL’s original technology: “ExTET® (Exciplex-Triplet Energy Transfer”. This technology enables both low driving voltage and long lifetime as well as high efficiency.

ExTET