https://www.buildings.com/building-systems-om/lighting/article/55258352/permlight-osram-use-ir-leds-to-stop-movie-piracy
Permlight Products is using infrared LEDs from Osram Opto Semiconductors in a new LED system that prevents the use of digital camcorders in cinemas.
ir ledsmovie piracyosramusestop
https://ams-osram.com/ko/products/leds/ir-leds/osram-chip-led-lens-sfh-4056
High Power Infrared Emitter (850 nm)
ir ledsosramchiplenssfh
https://www.electronicdesign.com/markets/lighting/article/21794719/ir-leds-widen-emission-angles
Debuting as the first member of a family of infrared (IR) emitters, the OD-850W gallium aluminum arsenide (GaAlAs) LED features a wide-emission angle and an...
ir ledselectronic designwidenemissionangles