Abstract
A device (1) for monitoring exposure to radiation (L), particularly ultraviolet radiation, at least comprising cholesteric liquid crystal material (3) having a photo- isomerisable compound, such that during use, a light reflection band of the cholesteric liquid crystal material (3) can be modified upon exposure to the radiation to be monitored. The invention also provides a method for monitoring exposure to radiation.
Original language | English |
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Patent number | WO2007102102 |
IPC | G01J 1/ 50 A I |
Priority date | 9/03/06 |
Publication status | Published - 13 Sept 2007 |
Externally published | Yes |