Junji Adachi

Co-Founder & CSO | Kyulux Inc.
Junji Adachi

Hyperfluorescence™, a game changing technology of OLED

Hyperfluorescence™ (HF), widely recognized as the fourth generation of OLED emitting technology, provides high efficiency and pure color with a narrow emission spectrum without using any rare metals such as iridium and platinum. The very narrow FWHM smaller than 25 nm across all RGB colors enables HF to cover a wide color space close to BT.2020.

Kyulux has been focusing on the development of HF technology and materials since 2015. The cornerstone for Kyulux’s steady development growth is our original Materials Informatics System, Kyumatic. Kyumatic consists of quantum chemistry, machine learning, mass molecular generation, device simulations and experimental data management. It enables not only the material development expedition close to hundred folds, but also the curation of proper materials combination in the emissive layer.

As the most promising cutting-edge technology, HF continuously progresses and advances ever highly efficient performance for the next-generation OLED display. Alongside the deep-blue progress, Kyulux will present its latest achievements at the conference. Top emission green HF has achieved BT.2020 color requirement with very narrow emission, FWHM <17 nm. The current efficiency and lifetime have met the industrial targets for mobile applications. Kyulux also made a breakthrough in blue HF lifetime by combining multiple approaches such as developing robust blue TADF and dopant as well as the proper combination with the adjacent materials. The company plans to achieve the industrial target by the end of this year.


Junji Adachi is Co-founder and CSO of Kyulux, commercializing an innovative OLED emitting technology HyperfluorescenceTM. Before founding Kyulux in 2015, he was involved in TADF (Thermally Activated Delayed Fluorescence) development as head of strategic research planning in Kyushu University. Prior to joining Kyushu University in 2010, he was an experienced engineer and manager with 30 years in industry at Panasonic. He was involved in projects for developing and commercializing cutting edge technologies such as residential fuel cell system, organic photovoltaics and MEMS during his days in Panasonic. He was a visiting researcher in M.I.T. for non-Newtonian fluid analysis of polymer composite from 1994 to 1996.

B.S. Osaka University, Visiting Researcher, M.I.T. , Professional Engineer Japan (MOT, ICT)