Influence of Grating Shape on LED Light Extraction Efficiency

Fang Xiaomin; Jiang Xiaowei; Zhao Jianwei

doi:10.3788/lop55.082302

[1] Jeon K S, Yuh H K, Choi Y H, et al. Comparison of the optimum number of quantum wells in GaN-based blue light-emitting diodes grown on sapphire and Si(111) substrates［J］. Journal of Nanoscience and Nanotechnology, 2017, 17(6): 4235-4238.

[2] Seok M S, Yoo S J, Choe J H, et al. Light extraction efficiency enhancement using surface-structured light-emitting diodes with a subwavelength coating［J］. Journal of the Korean Physical Society, 2016, 68(3): 462-466.

[3] Lu L F , Ye Z C. Extraction efficiency and polarization induced by photonic crystal structure on GaN-based blue LED［J］. Acta Photonica Sinica, 2016, 45(11): 1113001.

[4] Chen E G, Zhou X Y, Guo T L. LED intelligent lighting system based on multi-channel real-time dynamic feedback［J］. Laser & Optoelectronics Progress, 2017, 54(1): 012301.

[5] Xiong Y, Tan J, Fang S W, et al. A LED-based fiber-optic sensor integrated with lab-on-valve manifold for colorimetric determination of free chlorine in water［J］. Talanta, 2017, 167: 103-110.

[6] Zhang S, Zhang Y H, Yang T T, et al. Research on LED filament spot welding robot based on machine vision［C］. IEEE International Conference on Information and Automation, 2017: 1510-1514.

[7] Hong Y, Lee B, Byun J, et al. Key enabling technology for stretchable LED display and electronic system［J］. Sid Symposium Digest of Technical Papers, 2017, 48(1): 253-256.

[8] Matioli E, Rangle E, Iza M, et al. High extraction efficiency light-emitting diodes based on embedded air-gap photonic-crystals［J］. Applied Physics Letters, 2010, 96(3): 031108.

[9] Yeh W L, Fang C M, Chiou Y P. Enhancing LED light extraction by optimizing cavity and waveguide modes in grating structures［J］. Journal of Display Technology, 2013, 9(5): 359-364.

[10] Huang H W, Kao C C, Chu J T, et al. Improvement of InGaN-GaN light-emitting diode performance with a nano-roughened p-GaN surface［J］. IEEE Photonics Technology Letters, 2005, 17(5): 983-985.

[11] Song Y M, Park G C, Jang S J, et al. Multifunctional light escaping architecture inspired by compound eye surface structures: From understanding to experimental demonstration［J］. Optics Express, 2011, 19(S2): A157.

[12] Wierer J J, Steigerwald D A, Krames M R, et al. High-power AlGaInN flip-chip light-emitting diodes［J］. Applied Physics Letters, 2001, 78(22): 3379-3381.

[13] Li W, Yue Q Y, Kong F M, et al. Influence of surface ZnO nano-structures on the light emitting efficiency of GaN-based LED［J］. Acta Photonica Sinica, 2013, 42(4): 409-416.

[14] Liu S R, Wang L, Sun Y J, et al. Enhancement of light extraction efficiency for LED by bionic moth-eye structure with frustum of a cone［J］. Acta Optica Sinica, 2018, 38(1): 0122001.

[15] Liu S R, Wang L, Zhang M L, et al. Study of light extraction efficiency for LED with square aperture nano-hemisphere array［J］. Chinese Journal of Luminescence, 2017, 38(12): 1668-1674.

[16] Liu H. Study on enhancing the light extraction efficiency of GaN-based light emitting diodes by photonic crystal and one-dimensional grating structure［D］. Wuhan: Huazhong University of Science and Technology, 2014.

[17] Yin Z M. Improving light extraction efficiency of GaN-based LEDs by oxide micro&nano structures［D］. Jinan: Shandong University, 2014.

[18] Liu Y. Study of diffraction characteristics of triangular surface-relief subwavelength grating［D］. Chengdu: Sichuan University, 2004.

[19] Jiang X W, Guan B L, Liu X, et al. The influence of sub-wavelength grating on wavelength tuning range in VCSEL［C］. IEEE International Conference on Optoelectronics and Microelectronics, 2016: 43-46.