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P‐83: A Novel Red Phosphor for Solid‐state Lighting Applications
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- Authors
- Seung-Youl Kang, Dong Joo Lee, Young Gi Ryu, Seong-Gu Kang
- Issue Date
- 2007-05
- Citation
- Society for Information Display (SID) International Symposium 2007, pp.512-514
- Language
- English
- Type
- Conference Paper
- Abstract
- We have developed a novel red phosphor based on a layered perovskite structure, Ba(La1-xEux)2Zr30 10. This phosphor showed the red photoluminescence between 580 nm and 630 nm with several excitation bands, which were composed of the charge-transfer band related with the host matrix (around 290 nm) and the 4f ?넄 4f transitions of Eu3+ ions (between 350 nm and 460 nm). Since this excitation band is very close to the blue (around 465 nm) or near-UV (around 400 nm) wavelengths of GaN based LED, it is expected to be used as a complementary phosphor in the red region for the white LEDs. © 2007 SID.
- KSP Keywords
- 460 nm, 65 nm, Charge-transfer band, Excitation bands, Host matrix, Layered perovskite structure, Near UV, Red phosphor, Red photoluminescence, White LED, lighting applications