CPC B60Q 1/30 (2013.01) [B60Q 1/2607 (2013.01); B60Q 1/44 (2013.01); F21S 43/14 (2018.01); F21S 43/255 (2018.01); F21V 9/30 (2018.02); H01L 25/13 (2013.01); H01L 33/10 (2013.01); H01L 33/382 (2013.01); H01L 33/56 (2013.01); H01L 33/62 (2013.01); F21Y 2115/10 (2016.08)] | 20 Claims |
1. A light emitting device, comprising:
a lighting unit configured to emit an invisible light;
a conversion material configured to convert a small part of the invisible light into a visible light for indicating that the lighting unit is in operation,
wherein, a wavelength range of the light emitted by the light emitting device covers both wavelength ranges of the visible light and the invisible light, and a spectral energy measured within the wavelength range of the visible light is less than 20% of a spectral energy measured within a wavelength range of 200 nm to 380 nm of remaining part of the invisible light.
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