2021 年 64 巻 1 号 p. 4-9
As a post-OLED (organic light emitting diode) device, expectations are rising for an organic semiconductor laser diode (OSLD), which is the ultimate current injection device. In order to realize OSLD, the achievement of high current density of several kA cm-2 and the development of laser molecules exhibiting ultra-low threshold has been required. This paper introduces the recent progress in molecular design for laser molecules aimed for OSLDs.