The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength.
The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength.
发光效率一定波长的光量对同样波长的辐射光量的比例
The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength.
发光效率一定波长的光量对同样波长的辐射光量的比例