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Increasing the extraction efficiency of AlGaInP LEDs via n-side surface roughening

✍ Scribed by Lee, Y.J.; Kuo, H.C.; Wang, S.C.; Hsu, T.C.; Hsieh, M.H.; Jou, M.J.; Lee, B.J.


Book ID
119802384
Publisher
IEEE
Year
2005
Tongue
English
Weight
681 KB
Volume
17
Category
Article
ISSN
1041-1135

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## Abstract We report here the laser patterned Ga‐polar p‐GaN surface to improve the light extraction efficiency of GaN based blue light emitting diodes (LEDs) by using a pulsed UV laser in combination with a mirror scanner. The patterns created on p‐GaN are confirmed to be suitable for light extra