results and discussion 34.6. results and discussion

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Results and discussion34.6

Results and discussion

Results and discussion

Turn-on:PSS 2.93VUPSS 2.97VVf:PSS 3.08VUPSS 3.19V

Results and discussion

2.53倍

Conclusion

• The disloca- tion density would be reduced greatly and higher extraction efficiency could be achieved from lens-shaped PSS.

• Our work brings out GaN-based LED structure with better performance for the next generation of high-brightness blue LEDs using the PSS method.

References

• Seong-Muk Jeong , SuthanKissinger , Dong-WookKim , SeungJaeLee , Jin-SooKim , Haeng-Keun Ahn , Cheul-RoLee “Characteristic enhancement of the blue LED chip by the growth and fabrication on patterned sapphire (0 0 0 1) substrate,” Journal of Crystal Growth 312 (2010) 258–262.

• Thanks for your attention !

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