- 专利标题: Lighting device for generating light by means of wavelength conversion
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申请号: US14526555申请日: 2014-10-29
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公开(公告)号: US09904161B2公开(公告)日: 2018-02-27
- 发明人: Sergey Khrushchev
- 申请人: OSRAM GmbH
- 申请人地址: DE Munich
- 专利权人: OSRAM GmbH
- 当前专利权人: OSRAM GmbH
- 当前专利权人地址: DE Munich
- 代理机构: Viering, Jentschura & Partner mbB
- 优先权: DE102013224691 20131202
- 主分类号: F21V13/00
- IPC分类号: F21V13/00 ; G03B21/28 ; G03B21/20 ; F21K9/64 ; F21Y115/30 ; F21Y115/10
摘要:
A lighting device includes at least one excitation radiation source designed to emit excitation radiation; a wavelength conversion arrangement, which is arranged in such a way that excitation radiation can be radiated onto a wavelength conversion element. The wavelength conversion element is designed to convert excitation radiation into conversion light. An unavoidable non-converted part of the excitation radiation is reflected by the wavelength conversion element. The device further includes a unit for collimating the excitation radiation to form at least one collimated excitation beam; a unit for directing the at least one collimated excitation beam onto the at least one wavelength conversion element; a unit, which is arranged between collimation optical unit and converging optical unit and has at least one region for reflecting that part of the at least one excitation beam which is not converted, but rather is reflected by the at least one wavelength conversion element.