Toshiba Materials Co., Ltd.;Tsubota Laboratory, Inc.
发明人:
申请号:
EP17747411.1
公开号:
EP3412259A1
申请日:
2017.01.31
申请国别(地区):
EP
年份:
2018
代理人:
摘要:
A light source for myopia prevention article includes a light emitter to emit light having an emission spectrum continuing from a first wavelength of not less than 360 nm nor more than 400 nm to a second wavelength of more than 400 nm.