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DISPOSITIF D'ÉMISSION DE LUMIÈRE ET DISPOSITIF D'ÉCLAIRAGE
专利权人:
KYOCERA Corporation
发明人:
申请号:
EP18862433.2
公开号:
EP3690963A1
申请日:
2018.05.10
申请国别(地区):
EP
年份:
2020
代理人:
摘要:
A light-emitting device includes a light emitter including a light-emitting portion that emits first emission light having a first peak wavelength in a range of 380 to 425 nm and a half width of 15 to 35 nm, and a coating located over the light-emitting portion of the light emitter and containing phosphors to emit second emission light having a second peak wavelength in a range of 430 to 475 nm and having a third peak wavelength in a range of 490 to 540 nm. The light-emitting device emits external emission light having a peak region including the first peak wavelength, the second peak wavelength, and the third peak wavelength 14P02303 and having a long wavelength region defined between an upper end of the range of the third peak wavelength and a wavelength of 750 nm in which a light intensity decreases continuously.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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