FIELD: physics.
SUBSTANCE: radiation which includes at least visible light for illumination is generated. The device has at least one light-emitting element which is a light-emitting diode (LED) or organic light-light emitting diode (OLED), where the radiation has average light intensity for illumination purposes, where a controller is connected to the light-emitting element which modulates said radiation for simultaneous data transmission, the controller being configured such that data signals are simultaneously transmitted through the generated radiation of the said light-emitting element, and said modulation is visible to a viewer, and data signals are transmitted to a detection unit.
EFFECT: high quality of transmitting illumination signals.
9 cl, 7 dwg
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