2019 Photonic Conference, page. 28 - 28, 2019-12-05
the 19th International Meeting on Information Display, page. 160, 2019-08-30
Display Week 2015, page. 595 - 596, 2015-06-04
The 12th International Meeing on Infomation Display, page. 332 - 333, 2012-08-30