Enhancement of light extraction from GaN-based green light-emitting diodes using selective area photonic crystal

2010 ◽  
Vol 96 (25) ◽  
pp. 251103 ◽  
Author(s):  
Ja-Yeon Kim ◽  
Min-Ki Kwon ◽  
Seong-Ju Park ◽  
Sang Hoon Kim ◽  
Ki-Dong Lee
Keyword(s):  
Photonic Crystal ◽  
Light Emitting Diodes ◽  
Green Light ◽  
Light Extraction ◽  
Light Emitting ◽  
Selective Area

scholarly journals Investigation of Photonic-Crystal-Structured p-GaN Nanorods Fabricated by Polystyrene Nanosphere Lithography Method to Improve the Light Extraction Efficiency of InGaN/GaN Green Light-Emitting Diodes

Materials ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2200
Author(s):  
Po-Hsun Lei ◽  
Po-Chun Yang ◽  
Po-Chun Huang
Keyword(s):  
Photonic Crystal ◽  
Spin Coating ◽  
Light Emitting Diodes ◽  
Extraction Efficiency ◽  
Light Output ◽  
Green Light ◽  
Light Extraction ◽  
Light Extraction Efficiency ◽  
Light Emitting ◽  
Green Leds

We fabricated the photonic-crystal-structured p-GaN (PC-structured p-GaN) nanorods using the modified polystyrene nanosphere (PS NS) lithography method for InGaN/GaN green light-emitting diodes (LEDs) to enhance the light extraction efficiency (LEE). A modified PS NS lithography method including two-times spin-coating processes and the post-spin-coating heating treatment was used to obtain a self-assembly close-packed PS NS array of monolayer as a mask and then a partially dry etching process was applied to PS NS, SiO2, and p-GaN to form PC-structured p-GaN nanorods on the InGaN/GaN green LEDs. The light output intensity and LEE of InGaN/GaN green LEDs with the PC-structured p-GaN nanorods depend on the period, diameter, and height of PC-structured p-GaN nanorods. RSoft FullWAVE software based on the three-dimension finite-difference time-domain (FDTD) algorithm was used to calculate the LEE of InGaN/GaN green LEDs with PC-structured p-GaN nanorods of the varied period, diameter, and height. The optimal period, diameter, and height of PC-structured p-GaN nanorods are 150, 350, and 110 nm. The InGaN/GaN green LEDs with optimal PC-structured p-GaN nanorods exhibit an enhancement of 41% of emission intensity under the driving current of 20 mA as compared to conventional LED.

scholarly journals Light extraction enhancement from nano-imprinted photonic crystal GaN-based blue light-emitting diodes

2006 ◽  
Vol 14 (19) ◽  
pp. 8654 ◽  
Author(s):  
Hyun Kyong Cho ◽  
Junho Jang ◽  
Jeong-Hyeon Choi ◽  
Jaewan Choi ◽  
Jongwook Kim ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Blue Light ◽  
Light Emitting Diodes ◽  
Light Extraction ◽  
Light Emitting

scholarly journals Directional emission control and increased light extraction in GaN photonic crystal light emitting diodes

2008 ◽  
Vol 93 (10) ◽  
pp. 103502 ◽  
Author(s):  
K. McGroddy ◽  
A. David ◽  
E. Matioli ◽  
M. Iza ◽  
S. Nakamura ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Light Emitting Diodes ◽  
Emission Control ◽  
Light Extraction ◽  
Light Emitting ◽  
Directional Emission

Enhanced light extraction from GaN-based green light-emitting diode with photonic crystal

2007 ◽  
Vol 91 (18) ◽  
pp. 181109 ◽  
Author(s):  
Ja-Yeon Kim ◽  
Min-Ki Kwon ◽  
Ki-Sung Lee ◽  
Seong-Ju Park ◽  
Sang Hoon Kim ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Light Emitting Diode ◽  
Green Light ◽  
Light Extraction ◽  
Light Emitting

Enhanced light extraction of light-emitting diodes with photonic crystal pattern fabricated by nanoimprint

2008 ◽  
Author(s):  
Kyeong-Jae Byeon ◽  
Seon-Yong Hwang ◽  
Ki-Yeon Yang ◽  
Heon Lee ◽  
Chang-Hee Hong ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Light Emitting Diodes ◽  
Light Extraction ◽  
Light Emitting

Effect of Interface Nanotexture on Light Extraction of InGaN-Based Green Light Emitting Diodes

2010 ◽  
Vol 27 (3) ◽  
pp. 038503 ◽  
Author(s):  
Pan Yao-Bo ◽  
Hao Mao-Sheng ◽  
Qi Sheng-Li ◽  
Fang Hao ◽  
Zhang Guo-Yi
Keyword(s):  
Light Emitting Diodes ◽  
Green Light ◽  
Light Extraction ◽  
Light Emitting

Improved Light Extraction of GaN-Based Green Light-Emitting Diodes with an Antireflection Layer of ZnO Nanorod Arrays

2011 ◽  
Vol 14 (3) ◽  
pp. H120 ◽  
Author(s):  
Jang-Won Kang ◽  
Min-Suk Oh ◽  
Yong-Seok Choi ◽  
Chu-Young Cho ◽  
Tae-Young Park ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Green Light ◽  
Light Extraction ◽  
Zno Nanorod ◽  
Nanorod Arrays ◽  
Zno Nanorod Arrays ◽  
Light Emitting
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