Wide reflected angle DBR red light LED

Jun Han, Jian-jun Li, Jun Deng, Yan-hui Xing, Xiao-dong Yu, Wei-zhi Lin, Ying Liu, Guang-di Shen

Optoelectronics Letters ›› 2007, Vol. 3 ›› Issue (6) : 420-422.

Optoelectronics Letters ›› 2007, Vol. 3 ›› Issue (6) : 420-422. DOI: 10.1007/s11801-007-7078-z
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Wide reflected angle DBR red light LED

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Abstract

The coupled DBR LED with one DBR for reflecting normal incidence light and the other for reflecting inclined incidence light has been grown by MOCVD. For improving the conventional DBR which was used to increase light extraction efficiency in AlGaInP red light LED is analyzed. At 20 mA Dc injection current, the LED peak wave length is 630 nm, and the light intensity of on axis is 137 mcd. The output light power is 2.32 mW. The light intensity and output light power have been improved compared with the conventional LEDs.

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Jun Han, Jian-jun Li, Jun Deng, Yan-hui Xing, Xiao-dong Yu, Wei-zhi Lin, Ying Liu, Guang-di Shen. Wide reflected angle DBR red light LED. Optoelectronics Letters, 2007, 3(6): 420‒422 https://doi.org/10.1007/s11801-007-7078-z

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