Light emission device and illumination device | |
MURAKAMI KIMIHIRO | |
2019-06-12 | |
著作权人 | PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. |
专利号 | EP3492799A4 |
国家 | 欧洲专利局 |
文献子类 | 发明申请 |
其他题名 | Light emission device and illumination device |
英文摘要 | A light emission device includes a light source that emits an excitation light beam, a light deflector, a wavelength converter that receives and converts the excitation light beam deflected by the light deflector to wavelength-converted light, and a light concentration section that focuses the excitation light beam on the wavelength converter. The light concentration section includes a first optical system disposed between the light source and the light deflector, and a second optical system disposed between the light deflector and the wavelength converter. In the second optical system, a focal length of an Ay-axis is shorter than a focal length of an Ax-axis, where the Ax-axis is defined as an axis that has a lowest beam parameter product of the excitation light beam, and the Ay-axis is defined as an axis orthogonal to the Ax-axis in a cross section perpendicular to a propagation direction of the excitation light beam. |
公开日期 | 2019-06-12 |
申请日期 | 2017-07-19 |
状态 | 申请中 |
内容类型 | 专利 |
源URL | [http://ir.opt.ac.cn/handle/181661/62298] ![]() |
专题 | 半导体激光器专利数据库 |
作者单位 | PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. |
推荐引用方式 GB/T 7714 | MURAKAMI KIMIHIRO. Light emission device and illumination device. EP3492799A4. 2019-06-12. |
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