'Dbr cbl' presentation slideshows

Jeff Yang

Enhancement of Light Output Power of GaN -Based Light-Emitting Diodes by a Reflective Current Blocking Layer C. C. Kao, Y. K. Su , Fellow, IEEE, and C. L. Lin. Jeff Yang. Outline. Introduction Experiments conclusion References. Introduction.

148 views • 3 slides

Conclusion

Conclusion. We have demonstrated GaN -based LEDs with DBR CBL beneath the p-pad electrodes. At a driving current of 20 mA , the light output power of the LEDs with DBR CBL was increased by 16.8% and 11.3% as compared with the LEDs without and with a SiO 2 CBL.

274 views • 3 slides

Forward – characteristics of LEDs without CBL, with SiO CBL,and with DBR CBL, respectively. The inset show the transmission spectra of these three samples.

140 views • 2 slides