On behalf of the Organizing Committee of IWUMD 2021, it is my pleasure to invite you to the 5th International Workshop on UV Materials and Devices(IWUMD 2021) which will be held during November 8~12, 2021 at Maison Glad Jeju Hotel, Jeju, Korea.

The purpose of this workshop is to provide unique opportunities for the presentations and open discussion of the latest results on R&D of novel UV materials and devices, new trends in basic and applied research, modeling, and innovative technologies. The workshop would also offer opportunities for the companies to present their new products and applications to the UV-community. The workshop program includes plenary talks, topical sessions with invited talks and oral presentations as well as poster sessions in various topics.
I believe that the workshop will provide wonderful scientific and social programs with your active participation in beautiful Jeju Island with as long-lasting memories.

I look forward to seeing you at IWUMD 2021 in Jeju, Korea!

Prof. Euijoon Yoon
Workshop Chair of IWUMD 2021