An international joint research group succeeded in developing a novel thermally activated delayed fluorescence (TADF) material which displays emission of light in colors from green to deep-red through Intersystem Crossing from the singlet to the triplet excitons, a world first. The results will contribute to R&D in white TADF light emitting devices for indoor and outdoor use through combination with TADF materials that emit light in shorter wavelengths (deep blue to yellow).

Kyulux, an advanced materials startup that is commercializing the next generation of OLED display and lighting technology known as TADF (Thermally Activated Delayed Fluorescence), announced today that Samsung Venture Investment Corporation took the lead in a $13.5 million (¥1.5 Billion Japanese Yen) Series A round of venture funding.  Participating in the round were global OLED panel manufacturers including Samsung Display, LG Display, Japan Display and JOLED, top tier Japanese venture capital funds, and a Japanese Government affiliated venture fund. Kyushu University also announced the transfer of a large portfolio of TADF related patents and equity participation by the university in the financing. 

A team led by Prof. Tae-Woo Lee (Dept. of Materials Science and Engineering) at POSTECH have fabricated highly-efficient, solution-processed fluorescence organic light-emitting diodes (OLEDs) using pure-organic thermally-activated delayed-fluorescence (TADF) emitters. The research was published in Advanced Materials journal. This research is selected as a most significant paper and open to the public as a "Layman's abstract".