Optical concentrator, especially for solar photovoltaics
    1.
    发明授权
    Optical concentrator, especially for solar photovoltaics 有权
    光收集器,特别适用于太阳能光伏

    公开(公告)号:US08101855B2

    公开(公告)日:2012-01-24

    申请号:US12075830

    申请日:2008-03-14

    IPC分类号: H01L31/00 G02B17/00

    摘要: In one embodiment of a solar concentrator, a tailored aspheric lens augments the solar-concentrator performance of a concave mirror, widening its acceptance angle for easier solar tracking, making it more cost-competitive for ultra-large arrays. The molded-glass secondary lens also includes a short rod for reducing the peak concentration on a photovoltaic cell that is optically bonded to the end of the rod. The Simultaneous Multiple Surface method produces lens shapes suitable for a variety of medium and high concentrations by mirrored dishes. Besides the rotationally symmetric parabolic mirror itself, other aspheric deviations therefrom are described, including a free-form rectangular mirror that has its focal region at its edge.

    摘要翻译: 在太阳能集中器的一个实施例中,定制的非球面透镜增加了凹面镜的太阳能集中器性能,扩大了其接受角度以便于太阳能追踪,从而使其成为超大型阵列的成本优势。 模制玻璃次级透镜还包括用于降低光学电池的峰值浓度的短棒,该光伏电池光学地接合到杆的端部。 同时多面法同时产生适合各种中高浓度镜片的镜片形状。 除了旋转对称的抛物面镜本身之外,还描述了其中的非球面偏差,包括其边缘具有其焦点区域的自由矩形矩形镜。

    Combining outputs of different light sources
    6.
    发明授权
    Combining outputs of different light sources 有权
    组合不同光源的输出

    公开(公告)号:US07724440B2

    公开(公告)日:2010-05-25

    申请号:US11891192

    申请日:2007-08-08

    IPC分类号: G02B27/10

    摘要: An embodiment of an optical manifold has first and second collimators, each arranged to receive light from a source and transmit the light to an exit port of the collimator, and a separator arranged to emit some of the light from the exit ports of the first and second collimators and to recycle some of the light into the collimators. Another embodiment has at least three collimators of substantially equal length and having central axes, respective light sources at entry ports of the collimators, the collimators being arranged with their central axes parallel and with their light sources in a common plane and reflectors positioned to direct light from exit ports of the collimators to a selectively reflective component that guides all the light into a common exit beam.

    摘要翻译: 光学歧管的实施例具有第一和第二准直器,每个准直器被布置成接收来自光源的光并将光传输到准直仪的出口,以及分离器,其布置成从第一和第二准直器的出口端口发射一些光 第二个准直器,并将一些光线回收到准直仪中。 另一个实施例具有至少三个准直器,其基本上相等的长度并具有中心轴线,准直器进入端口处的相应光源,准直器被布置成其中心轴平行并且它们的光源在公共平面中,反射器被定位成引导光 从准直器的出口到选择性反射的部件,其将所有的光引导到公共的出射光束中。

    Optical manifold
    7.
    发明授权
    Optical manifold 有权
    光学歧管

    公开(公告)号:US07665858B2

    公开(公告)日:2010-02-23

    申请号:US11982480

    申请日:2007-11-02

    IPC分类号: F21V33/00

    摘要: Optical systems are described that have at least one source of a beam of blue light with divergence under 15°. A phosphor emits yellow light when excited by the blue light. A collimator is disposed with the phosphor and forms a yellow beam with divergence under 15°. A dichroic filter is positioned to transmit the beam of blue light to the phosphor and to reflect the beam of yellow light to an exit aperture. In different embodiments, the beams of blue and yellow light are incident upon said filter with central angles of 15°, 22°, and 45°. The filter may reflect all of one polarization and part of the other polarization, and a polarization rotating retroreflector may then be provided to return the unreflected light to the filter.

    摘要翻译: 描述的光学系统具有至少一个蓝光束的源,发散度在15°以下。 当由蓝光激发时,荧光体发射黄光。 准直仪与磷光体一起设置,并形成黄色光束,发散度在15°以下。 二向色滤光器被定位成将蓝光束传输到荧光体并将黄光束反射到出射孔。 在不同的实施例中,蓝色和黄色光束以15°,22°和45°的中心角度入射在所述过滤器上。 滤波器可以反射所有的一个偏振和另一个极化的一部分,然后可以提供偏振旋转后向反射器以将未反射的光返回到滤光器。

    Stepped flow-line concentrators and collimators
    8.
    发明授权
    Stepped flow-line concentrators and collimators 有权
    步进流线集中器和准直器

    公开(公告)号:US08749898B2

    公开(公告)日:2014-06-10

    申请号:US12860273

    申请日:2010-08-20

    IPC分类号: F24J2/08

    摘要: One optical system comprises a first optical surface, a faceted second optical surface, and a faceted third optical surface. The optical system is operative to convert a first bundle of rays that is continuous in phase space outside the first optical surface into a second bundle of rays that is continuous in phase space outside the third optical surface. Between the second and third optical surfaces the rays making up the first and second bundles form discrete sub-bundles each passing from a facet of the second optical surface to a facet of the third optical surface. The sub-bundles do not form a continuous bundle in a phase space that has dimensions representing the position and angle at which rays cross a surface transverse to the bundle of rays.

    摘要翻译: 一个光学系统包括第一光学表面,小面第二光学表面和小面的第三光学表面。 光学系统可操作地将在第一光学表面外部的相位空间中连续的第一束光线转换成在第三光学表面外部的相位空间中连续的第二束光线。 在第二和第三光学表面之间,构成第一和第二束的光线形成离散的子束,每个子束从第二光学表面的小面通过第三光学表面的小平面。 子束在相位空间中不形成连续的束,其具有表示射线穿过横向于束束的表面的位置和角度的尺寸。

    Photovoltaic device
    9.
    发明授权
    Photovoltaic device 有权
    光伏装置

    公开(公告)号:US09123849B2

    公开(公告)日:2015-09-01

    申请号:US12766298

    申请日:2010-04-23

    摘要: Some photovoltaic cells have a front face accepting incoming incident light and opaque gridlines overlying part of the front face, electrically bonded to the face, with upper reflective facets oblique to the plane of the front face and producing outgoing reflected light. An optical interface parallel to and in front of the front face transmits incoming light to the front face and to the gridlines and reflects back towards the front face by total internal reflection at least some of the outgoing reflected light. Some photovoltaic devices have a triple junction photovoltaic cell, a single junction photovoltaic cell, and a reflective surface arranged to distribute incoming light between the cells. The surface may be a frequency-selective mirror that apportions light so when the cells are in series the power produced, and preferably the photocurrent, is greater than if all the light fell on the triple junction cell alone.

    摘要翻译: 一些光伏电池具有接受入射入射光的正面和覆盖前表面的一部分的不透明网格线,电粘结到面部,具有与前表面的平面倾斜的上反射面并产生出射的反射光。 平行于前面和前面的光学接口将入射光透射到前表面和网格线,并通过至少一些输出反射光的全内反射向前表面反射。 一些光伏器件具有三结光伏电池,单结光伏电池和布置成在电池之间分配入射光的反射表面。 表面可以是分配光的频率选择镜,因此当电池串联产生的功率,并且优选地,光电流大于如果所有光都单独落在三重结电池上的情况。

    PHOTOVOLTAIC DEVICE
    10.
    发明申请
    PHOTOVOLTAIC DEVICE 有权
    光电器件

    公开(公告)号:US20100269885A1

    公开(公告)日:2010-10-28

    申请号:US12766298

    申请日:2010-04-23

    IPC分类号: H01L31/052

    摘要: Some photovoltaic cells have a front face accepting incoming incident light and opaque gridlines overlying part of the front face, electrically bonded to the face, with upper reflective facets oblique to the plane of the front face and producing outgoing reflected light. An optical interface parallel to and in front of the front face transmits incoming light to the front face and to the gridlines and reflects back towards the front face by total internal reflection at least some of the outgoing reflected light. Some photovoltaic devices have a triple junction photovoltaic cell, a single junction photovoltaic cell, and a reflective surface arranged to distribute incoming light between the cells. The surface may be a frequency-selective mirror that apportions light so when the cells are in series the power produced, and preferably the photocurrent, is greater than if all the light fell on the triple junction cell alone.

    摘要翻译: 一些光伏电池具有接受入射入射光的正面和覆盖前表面的一部分的不透明网格线,电粘结到面部,具有与前表面的平面倾斜的上反射面并产生出射的反射光。 平行于前面和前面的光学接口将入射光透射到前表面和网格线,并通过至少一些输出反射光的全内反射向前表面反射。 一些光伏器件具有三结光伏电池,单结光伏电池和布置成在电池之间分配入射光的反射表面。 表面可以是分配光的频率选择镜,因此当电池串联产生的功率,并且优选地,光电流大于如果所有光都单独落在三重结电池上时。