Download pdf Copper Electroplating and Micro-Textured Ito for Vertical Gan LEDs

نویسنده :Teresa Hagen
تاریخ:یکشنبه 28 تیر 1394-05:20 ب.ظ

Copper Electroplating and Micro-Textured Ito for Vertical Gan LEDs by Chun-Fu Tsai

Copper Electroplating and Micro-Textured Ito for Vertical Gan LEDs
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Author: Chun-Fu Tsai
Page Count: 92 pages
Published Date: 05 May 2011
Publisher: VDM Verlag
Publication Country: Germany
Language: English
Format: Pdf
ISBN: 9783639351682
File Name: Copper.Electroplating.and.Micro-Textured.Ito.for.Vertical.Gan.LEDs.pdf
Download Link: Copper Electroplating and Micro-Textured Ito for Vertical Gan LEDs
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At 20mA injection current, compared with the flat ITO LEDs, the improvements of the convex micro- textured ITO ones in lumen, mcd and light output power (mW) are 9.8%, 13.8% and 16.3%, respectively. By controlling the wet etching time of two different ITO patterns carefully, so we could not degrade the forward voltage (VF) of micro-textured ITO LEDs. At 350mA injection current, compared with the flat surface LEDs, the improvement of the convex micro- textured ITO and n-GaN roughening ones in mcd, lm and mW are 22.5%, 36.5% and 50% respectively, because of the higher light extraction efficiency.

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