发明名称 |
WAVELENGTH CONVERSION UNIT AND ILLUMINATION APPARATUS INCLUDING THE UNIT |
摘要 |
A wavelength conversion unit includes a wavelength conversion member that transmits a part of incident excitation light and converts a part of the excitation light into wavelength-converted light having a wavelength different from a wavelength of the excitation light to emit the wavelength-converted light. The excitation light has an intensity distribution in which an intensity is maximum at the center and decreases as getting apart from the center. A thickness of the wavelength conversion member at a portion into which light at the center of the intensity distribution of the excitation light enters is larger than those at any other portions.
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申请公布号 |
US2011176290(A1) |
申请公布日期 |
2011.07.21 |
申请号 |
US201113009042 |
申请日期 |
2011.01.19 |
申请人 |
OLYMPUS CORPORATION |
发明人 |
NISHIO MASAHIRO;ITO TAKESHI;KAMEE HIROYUKI |
分类号 |
F21V13/02;F21V9/16;G02F1/01 |
主分类号 |
F21V13/02 |
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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