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In the light box we often hear the word backlight module, then the backlight module in the end what is it? The main components of the light source, light guide plate, backplane, reflective film, diffuser, booster, black and white plastic. As the backlight requirements are getting thinner, so some need to add the aluminum frame. General side of the light-type backlight module placed in the bottom of the light guide plate, the leakage from the bottom of the light reflected back to the light guide plate to prevent light leakage, in order to increase the efficiency of light use: and direct-type backlight module is placed The bottom surface of the light box is affixed to it, and the light beam reflected by the diffuser plate is reflected back from the bottom of the light box back to t...
Datetime: 2017 - 06 - 30
Researchers from Korea’s Electronics and Telecommunications Research Institute (ETRI) have developed a Visible Light Communication (VLC) system based on LED technology, reported Korea Business recently.LEDs in the VLC system blink at a 3 million times per second to transmit, store and send digital information.The ETRI team’s LED based VLC is capable of reaching download speeds of 3Mbps compared to current existing lighting communication technologies that are only capable of sending data at 250kbps.VLC systems currently cannot be built into smartphones because the transmission bo...
发布时间: 2015 - 06 - 02
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