Abstract
A wing-type imbedded electrodes was introduced into the lateral light emitting diode configuration (WTIE-LEDs) to reduce the effect of light shading of electrode in conventional sapphire-based LEDs (CSB-LEDs). The WTIE-LEDs with double-side roughened surface structures not only can eliminate the light shading of electrode and bonding wire, but also increase the light extraction and light output power. Contrast to CSB-LEDs, a 79% enhancement of output intensity in the WTIE-LED was obtained at 100 mA injection current. Similarly, the output power of packaged WTIE-LEDs was enhanced 59% higher compared with the packaged CSB-LEDs at the same injection condition. Therefore, using the imbedded contact to reduce light shading would be a promising prospective for LEDs to achieve high output power.
©2012 Optical Society of America
Full Article | PDF ArticleMore Like This
Ching-Ho Tien, Ken-Yen Chen, Chen-Peng Hsu, and Ray-Hua Horng
Opt. Express 22(S6) A1462-A1468 (2014)
Youn Joon Sung, Min-Sung Kim, Hwankyo Kim, Sunghan Choi, Young Hoon Kim, Myung-Hoon Jung, Rak-Jun Choi, Yong-Tae Moon, Jeong-Tak Oh, Hwan-Hee Jeong, and Geun Young Yeom
Opt. Express 27(21) 29930-29937 (2019)
Sai Pan, Kuili Chen, Yan Guo, Zexiang Liu, Yugang Zhou, Rong Zhang, and Youdou Zheng
Opt. Express 30(25) 44933-44942 (2022)