3 ms·
Some white LEDs are actually near-UV LEDs coated with a phosphor layer to emit visible wavelengths. Could be GP got LEDs with poor coating allowing UV through?
by fellerts 2y ago
Some white LEDs are actually near-UV LEDs coated with a phosphor layer to emit visible wavelengths. Could be GP got LEDs with poor coating allowing UV through?
- relaxing 2y agoThe visible component would still cause your eye to narrow the pupil.