A Study of Piezoelectric Field Related Strain Difference in GaN-Based Blue Light-Emitting Diodes Grown on Silicon(111) and Sapphire Substrates

2016 ◽  
Vol 16 (2) ◽  
pp. 1798-1801 ◽  
Author(s):  
K. S. Jeon ◽  
J. H. Sung ◽  
M. W. Lee ◽  
H. Y. Song ◽  
H. Y. Shin ◽  
...  
Keyword(s):  
Blue Light ◽  
Light Emitting Diodes ◽  
Strain Difference ◽  
Related Strain ◽  
Light Emitting ◽  
Sapphire Substrates ◽  
Piezoelectric Field

MOCVD growth of InGaN/GaN blue light emitting diodes on patterned sapphire substrates

2003 ◽  
Vol 0 (7) ◽  
pp. 2253-2256 ◽  
Author(s):  
S. J. Chang ◽  
Y. K. Su ◽  
Y. C. Lin ◽  
R. W. Chuang ◽  
C. S. Chang ◽  
...  
Keyword(s):  
Blue Light ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Sapphire Substrates ◽  
Mocvd Growth ◽  
Patterned Sapphire Substrates

POLARIZATION PROPERTIES OF LARGE-AREA GaN-BASED LIGHT-EMITTING DIODES WITH AN OMNIDIRECTIONAL NANOSTRUCTURE

NANO ◽  
2012 ◽  
Vol 07 (05) ◽  
pp. 1250035
Author(s):  
WAN-WEI WANG ◽  
LUNG-CHIEN CHEN ◽  
YA-HSIN WANG
Keyword(s):  
Blue Light ◽  
Ag Nanoparticles ◽  
Light Emitting Diodes ◽  
Bragg Reflector ◽  
Large Area ◽  
Peak Wavelength ◽  
Light Emitting ◽  
Sapphire Substrates ◽  
Forward Current

Large-area GaN -based blue light-emitting diodes (LEDs) on sapphire substrates with an omnidirectional nanostructure consisted of Ag nanoparticles and TiO2/SiO2 Bragg reflector were fabricated. For the LEDs without the omnidirectional nanostructure, the spectra of the P- and S-polarization light are lightly different and the peak wavelength of P- and S-polarization light was estimated to be 464 nm and 463 nm, respectively at forward current of 20 mA. In contrast, for the LEDs with the omnidirectional nanostructure, the spectra of the P- and S-polarization light are nearly the same at forward current of 20 mA and 100 mA.

Enhanced Extraction and Efficiency of Blue Light-Emitting Diodes Prepared Using Two-Step-Etched Patterned Sapphire Substrates

2009 ◽  
Vol 156 (11) ◽  
pp. H874 ◽  
Author(s):  
Ray-Ming Lin ◽  
Yuan-Chieh Lu ◽  
Sheng-Fu Yu ◽  
YewChung Sermon Wu ◽  
Chung-Hao Chiang ◽  
...  
Keyword(s):  
Blue Light ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Sapphire Substrates ◽  
Patterned Sapphire Substrates

Blue light-emitting diodes in hair regrowth: the first prospective study

2021 ◽  
Author(s):  
G. Lodi ◽  
M. Sannino ◽  
G. Cannarozzo ◽  
A. Giudice ◽  
E. Del Duca ◽  
...  
Keyword(s):  
Prospective Study ◽  
Blue Light ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Hair Regrowth
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