| 학회 |
한국재료학회 |
| 학술대회 |
2005년 가을 (11/10 ~ 11/11, 한양대학교) |
| 권호 |
11권 2호 |
| 발표분야 |
전자재료 |
| 제목 |
Ba2+가 도핑된 Sr3SiO5:Eu를 이용한 백색 LED형광체의 구현 |
| 초록 |
The shifts of emission band to longer wavelength (yellow-orange) of the Sr3SiO5:Eu yellow phosphor under the 450-470nm exitation range have been achieved by adding the codoping element(Ba2+) in the host. In order to apply to white light-emitting diodes with warm white and high color rendering index, we have fabricated a white light-emitting diodes through the integration of the InGaN blue LED chip and two phosphor blend (Sr2SiO4:Eu yellow phosphor + Ba2+ co-doped Sr3SiO5 yellow-orange phosphor) into a single package. By employing two phosphors, covering a red region, the white light-emitting diodes shows a warm white in the range of 2500- 5000K correlated color temperature and a good color rendering of over 85. |
| 저자 |
정동훈, 박정규, 최경재, 연정호, 이승재, 김창해
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| 소속 |
한국화학(연) |
| 키워드 |
LED; Sr3SiO5:Eu; phosphor
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| E-Mail |
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