Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 26, Issue 20, Pages 2035-2038Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2014.2345256
Keywords
VLC; micro LED; super yellow; organic semiconductors; colour converter; OFDM; illumination
Funding
- U.K. Engineering and Physical Sciences Research Council [EP/K00042X/1]
- EPSRC [EP/K00042X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/K00042X/1] Funding Source: researchfish
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This letter presents a novel technique to achieve high-speed visible light communication (VLC) using white light generated by a blue GaN mu LED and a yellow fluorescent copolymer. We generated white light suitable for room illumination by optimizing the ratio between the blue electroluminescence of the mu LED and yellow photoluminescence of the copolymer color converter. Taking advantage of the components' high bandwidth, we demonstrated 1.68 Gb/s at a distance of 3 cm (at 240 lx illumination). To the best of our knowledge, this is the fastest white light VLC results using a single blue LED/color converter combination.
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