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  • 2015 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2015),
  • paper 26P_99

Various metal-doped ITO as transparent conductive electrode for near-ultraviolet light emitting diodes

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Abstract

We fabricated under various metal doped indium tin oxide (ITO) transparent conductive electrodes (TCE) for use in near-ultraviolet (NUV) light emitting diodes (LEDs). The role of metal is to improve the transmittance especially in NUV region and current spreading of ITO. The ITO/metal (Ti, Ga, Ge, Al) TCEs (annealed at 550°C, 1 min) exhibit 90.5 ~ 94.7% transmittance at 385 nm on the quartz substrate and the sheet resistance is ranged from 23.2 to 73.5 Ω/□ on the NUV LED wafer.

© 2015 IEEE

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