Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Masuda Noboru and Nakane Hiroshi,Electric Display and Driving Circuits of High Brightness Light Emitting Diodes of Various Colors,IEEJ Transactions on Fundamentals and Materials,03854205,The Institute of Electrical Engineers of Japan,2001,121,11,977-983,https://cir.nii.ac.jp/crid/1390001204599341184,https://doi.org/10.1541/ieejfms1990.121.11_977