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Improved color rendering and luminous efficacy in phosphor-converted white light-emitting diodes by use of dual-blue emitting active regions

✍ Scribed by Mirhosseini, Roya; Schubert, Martin F.; Chhajed, Sameer; Cho, Jaehee; Kim, Jong Kyu; Schubert, E. Fred


Book ID
115411334
Publisher
Optical Society of America
Year
2009
Tongue
English
Weight
365 KB
Volume
17
Category
Article
ISSN
1094-4087

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## Abstract An InGaN/GaN blue‐violet light‐emitting diode (LED) structure and an InGaN/GaN blue LED structure were grown sequentially on the same sapphire substrate by metal‐organic chemical vapor deposition (MOCVD). At the low injection current, the intensity ratio of blue‐violet light to blue lig