发明公开
- 专利标题: PLANT IRRADIATION DEVICE
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申请号: EP17841381.1申请日: 2017-08-02
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公开(公告)号: EP3501262A1公开(公告)日: 2019-06-26
- 发明人: USAMI, Yoshihisa , ICHIHASHI, Mitsuyoshi , OKI, Kazuhiro
- 申请人: FUJIFILM Corporation
- 申请人地址: 26-30, Nishiazabu 2-chome Minato-ku Tokyo 106-8620 JP
- 专利权人: FUJIFILM Corporation
- 当前专利权人: FUJIFILM Corporation
- 当前专利权人地址: 26-30, Nishiazabu 2-chome Minato-ku Tokyo 106-8620 JP
- 代理机构: Klunker IP Patentanwälte PartG mbB
- 优先权: JP2016159490 20160816
- 国际公布: WO2018034154 20180222
- 主分类号: A01G7/00
- IPC分类号: A01G7/00 ; F21S2/00 ; F21V9/14 ; G02B5/30
摘要:
An object is to provide a plant illumination apparatus that can output light having a high degree of circular polarization in the target wavelength range. This object is achieved by having a reflective-type polarizing plate having an effective wavelength range, a light-emitting device, and a reflective plate configured to reflect light emitted from the light-emitting device and satisfying:
λ1 > λ2, λ2 > λ3, and w > 30 nm
wherein λ1 is the center wavelength of the effective wavelength range of the reflective-type polarizing plate, λ2 is the center wavelength of the light-emitting device, w is the full width at half maximum of the transmittance of the reflective-type polarizing plate, and λ3 is the shorter wavelength of the wavelengths at the full width at half maximum.
λ1 > λ2, λ2 > λ3, and w > 30 nm
wherein λ1 is the center wavelength of the effective wavelength range of the reflective-type polarizing plate, λ2 is the center wavelength of the light-emitting device, w is the full width at half maximum of the transmittance of the reflective-type polarizing plate, and λ3 is the shorter wavelength of the wavelengths at the full width at half maximum.
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