APPARATUS, SYSTEM AND METHOD FOR WIRELESS DATA TRANSMISSION BY USING DISPLAY BACKLIGHT

摘要

The present disclosure provides an apparatus, a system and a method for wireless data transmission by using display backlight. The apparatus for transmitting wireless data by using display backlight according to the present disclosure includes: a data storage unit (202) for storing data to be transmitted; a main control unit (201) for reading the data stored in the data storage unit (202) and for controlling; a signal modulation unit (203) for modulating the read data with a predetermined signal modulation method under the control of the main control unit (201) to generate and output a sequence of switching pulse signals; a light source driving circuit (204) for generating backlight driving switching pulse signals according to the sequence of switching pulse signals; and a display backlight member (205) for outputting a sequence of light and shade signals.