发明名称 |
LIGHT EMITTING APPARATUS AND METHOD FOR MANUFACTURING THEREOF |
摘要 |
A light emitting apparatus includes a light emitting device emitting primary light and a wavelength conversion unit absorbing a part of the primary light to emit secondary light. The wavelength conversion unit includes a first wavelength conversion unit containing at least a nanocrystalline phosphor and a second wavelength conversion unit containing a rare-earth-activated phosphor or a transition-metal-element-activated phosphor. In the light emitting device, the first wavelength conversion unit and the second wavelength conversion unit are closely stacked in order. |
申请公布号 |
US2012032578(A1) |
申请公布日期 |
2012.02.09 |
申请号 |
US201113198432 |
申请日期 |
2011.08.04 |
申请人 |
ANNEN KAZUNORI;IZUMI MAKOTO;MIEDA KIMIKO;YOSHIMURA KENICHI;FUKUNAGA HIROSHI;SHARP KABUSHIKI KAISHA |
发明人 |
ANNEN KAZUNORI;IZUMI MAKOTO;MIEDA KIMIKO;YOSHIMURA KENICHI;FUKUNAGA HIROSHI |
分类号 |
H01J1/62;H01J9/00 |
主分类号 |
H01J1/62 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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