LIGHTING DEVICE COMPRISING A PUMP RADIATION SOURCE

    公开(公告)号:US20180274738A1

    公开(公告)日:2018-09-27

    申请号:US15767667

    申请日:2016-10-05

    Applicant: OSRAM GmbH

    Abstract: According to the present disclosure, an illumination apparatus includes a pump radiation source for emitting pump radiation, a phosphor element for converting the pump radiation into conversion light and a carrier, on which the phosphor element is mounted, which carrier is made of a carrier material which is transparent at least for the pump radiation and has a refractive index ncarrier. The pump radiation passes through the carrier, exits at an exit surface of the carrier and is then incident on a pump radiation input coupling surface of the phosphor element that is arranged at the exit surface. The pump radiation in the carrier is incident on the exit surface of the carrier with a centroid direction, which centroid direction is inclined with respect to a surface normal on the exit surface by an exit angle θout≠0°, and θout

    IRRADIATION DEVICE INCLUDING A PUMP RADIATION SOURCE

    公开(公告)号:US20170205049A1

    公开(公告)日:2017-07-20

    申请号:US15328505

    申请日:2015-04-29

    Applicant: OSRAM GmbH

    Abstract: Various embodiments relate to an irradiation device including a pump radiation source for emitting pump radiation, a conversion element for converting the pump radiation into conversion radiation of longer wavelength, and a reflection surface, which is reflective to the conversion radiation and on which backscattered conversion radiation emitted at a backscatter emission surface and thus counter to a useful direction is incident and is reflected therefrom back to the conversion element; said reflection surface is concavely curved relative to the conversion element in such a way that at least the backscattered conversion radiation emitted divergently from a surface centroid of the backscatter emission surface is incident on the reflection surface at an angle of incidence of at most 20° in terms of absolute value.

    PROJECTION DEVICE AND METHOD FOR OPERATING A PROJECTION DEVICE
    25.
    发明申请
    PROJECTION DEVICE AND METHOD FOR OPERATING A PROJECTION DEVICE 有权
    投影装置和投影装置的操作方法

    公开(公告)号:US20140375956A1

    公开(公告)日:2014-12-25

    申请号:US14371740

    申请日:2013-01-08

    Applicant: OSRAM GmbH

    Abstract: A projection device may include at least one first laser device and one second laser device, which is arranged opposite the first laser device. A prism is arranged between the two laser devices, wherein a polarization-dependent mirror device is arranged in the prism in such a manner that the beam of the first laser device is reflected in a direction that extends opposite the direction in which the beam of the second laser device is reflected. The polarization of the beam of the second laser device is then rotated, and the beam is deflected back to the polarization-dependent mirror device. The beam of the second laser device now passes through the mirror device without reflection due to the change in the polarization of the beam of the second laser device, such that two superposed laser beams of different polarization are available at the output of the projection device.

    Abstract translation: 投影装置可以包括与第一激光装置相对布置的至少一个第一激光装置和一个第二激光装置。 棱镜布置在两个激光装置之间,其中偏振相关镜装置以这样一种方式被布置在棱镜中,使得第一激光装置的光束被反射在与该光束的方向相反的方向上 第二激光装置被反射。 然后旋转第二激光装置的光束的偏振,并且光束被偏转回到偏振相关的反射镜装置。 由于第二激光装置的光束的偏振变化,第二激光装置的光束现在通过反射镜装置而没有反射,使得在投影装置的输出处可获得两个不同偏振的叠加的激光束。

Patent Agency Ranking