IR is the abbreviation of English infrared light wave, and the same IR ink is related to infrared light wave ink. The general mobile phone touch screen has infrared induction hole, when the mobile phone close to the face, in order to avoid the false face touch mobile phone, mobile phone induction infrared sensors to face, will automatically screen off, while the IR ink is blocked in the infrared induction Kong Qian material, the ink can make 800nm (infrared wavelength emitted by the same body) light, and other wavelength filter.
Photosensitive chromotropic ink, also known as photosensitive chromotropic ink, is to add photochromic or light activated compounds in the ink, in the sun, the ink can be colored from colorless
Infrared ink, IR ink also applies mobile phone cover industry, I know a IR ink hole link, IR ink light transmittance instrument is to detect IR ink in different band light source light transmittance.
