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The potential for visible light communications with SU-8 planarized InGaN light-emitting diodes (LEDs) is investigated experimentally. For large-size LEDs, current crowding occurring near the n-contact is addressed by shrinking the dimensions of the emitters/pixels, along with the use of parallel-connected schemes to achieve multipixel emissions. Through improved heat dissipation, current uniformity,...
The potential of visible light communications based upon phosphor-converted white resonant-cavity light-emitting diodes (RCLEDs) is investigated experimentally. To fabricate a blue InGaN RCLED, a -thick distributed Bragg reflector, along with a metallic Ag layer, were respectively coated onto the top and bottom of normal LEDs to form an optical...
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