LCD backlight can communicate! Fuji show LED new gameplay

[pcpop.com digital TV channel news] December 1st Fuji TV in November 2007 20 to 22 at the 2007 International Radio and television equipment exhibition (Inter BEE 2007) ", the world's first demonstration of the use of the LCD backlight visible light communication light. Demonstration of the use of LED backlight display. At the same time, the text data is transmitted by the high speed flashing of the backlight, and the PDA data is received and displayed by a light receiving device.

The system developed by NEC. The presentation of the communication technology is based on the Visual Optical Communications Alliance designated visual optical label standard. The flicker frequency is 28.8kHz and the data transmission speed is 4.8kbps.

The characteristics of the communication technology can only transfer specific information to the television audience of people with special needs. For example, consider sending information to people with visual disabilities. The difficulty lies in the built-in LED backlight display price SUNCOO. It can be said that this is aimed at the display light source after the realization of LED technology.