Optical fiber-to-planar lightpipe grooved optical coupler
    61.
    发明授权
    Optical fiber-to-planar lightpipe grooved optical coupler 失效
    光纤到平面光管开槽光耦合器

    公开(公告)号:US5772304A

    公开(公告)日:1998-06-30

    申请号:US720657

    申请日:1996-10-02

    申请人: Ronald T. Smith

    发明人: Ronald T. Smith

    IPC分类号: F21S8/10 F21V8/00

    摘要: A rear exterior lamp for a vehicle including an optical fiber (61) for providing an optical fiber light output, an optical coupler (50) responsive to the optical fiber light output for providing an optical coupler light output, and a light panel (11, 13, 15, 100) responsive to the optical coupler light output for providing an exterior lamp output. The optical coupler more particularly includes a transparent substrate having an input side (53) for receiving the optical fiber light output, an output surface (51), and a plurality of internally reflecting surfaces (55a) opposite the output surface for internally reflecting light that enters the input surface toward the output surface.

    摘要翻译: 一种用于车辆的后部外部灯,其包括用于提供光纤光输出的光纤(61),响应于用于提供光耦合器光输出的光纤光输出的光耦合器(50),以及光板(11, 响应于所述光耦合器光输出以提供外部灯输出。 光耦合器更具体地包括具有用于接收光纤光输出的输入侧(53),输出表面(51)和与输出表面相对的多个内部反射表面(55a)的透明基板,用于内部反射光, 将输入表面朝向输出表面。

    Faceted light pipe
    63.
    发明授权
    Faceted light pipe 失效
    方形光管

    公开(公告)号:US5050946A

    公开(公告)日:1991-09-24

    申请号:US589325

    申请日:1990-09-27

    摘要: A light pipe used for backlighting liquid crystal displays has a planar front surface and a stairstepped or faceted back surface. Light is injected from the ends of the light pipe from cold or hot cathode, apertured, fluorescent lamps. The cold cathode lamps are preferably insulated to raise their operating temperature. The back surface has a series of planar portions parallel to the front surface connected by facets, which are angled so that the injected light reflects off the facets and through the front surface. A reflector having a planar, highly reflective, highly scattering surface or a sawtoothed or grooved upper surface is located adjacent to and parallel with the light pipe back surface to reflect light escaping from the back surface back through the light pipe to exit the front surface. The axis of grooves is preferably slightly skewed from the facet axis to reduce moire pattern development. A low scattering or loss diffuser is located adjacent to and parallel with the light pipe front surface to reduce moire pattern development. The liquid crystal display is located over the low scattering diffuser. A separate injector may be located between the lamp and the light pipe to better couple the light into the light pipe.

    Light distribution apparatus
    64.
    发明授权
    Light distribution apparatus 失效
    配光装置

    公开(公告)号:US4528617A

    公开(公告)日:1985-07-09

    申请号:US576313

    申请日:1984-02-02

    IPC分类号: F21V7/00 F21V8/00 F21V7/04

    摘要: Compact devices for distributing light from a small area source to evenly light a larger area each comprise a member having a first plurality of surfaces which intercept respective slices of a light beam extending in a first direction and internally reflect the slices to a second substantially perpendicular second direction. A second plurality of surfaces intercept respective portions of the slices of light travelling in the second direction and internally reflect those portions generally perpendicularly toward an output surface to evenly light the output surface.

    摘要翻译: 用于分配来自小区域源的光以均匀地照射更大面积的紧凑装置,每个包括具有第一多个表面的构件,该第一多个表面拦截沿第一方向延伸的光束的相应切片,并且将片材内部反射到第二基本上垂直的第二 方向。 第二多个表面拦截在第二方向上行进的光的切片的相应部分,并且将这些部分大致垂直地反射到输出表面,以均匀地点亮输出表面。

    Backlighting Device
    69.
    发明公开
    Backlighting Device 审中-公开

    公开(公告)号:US20230324599A1

    公开(公告)日:2023-10-12

    申请号:US18190347

    申请日:2023-03-27

    IPC分类号: F21V8/00

    摘要: The invention refers to a backlighting device for a (1) lighting assembly of a vehicle. The backlighting device comprises at least one printed circuit board and at least one light guide body. The light guide body receives the light, emitted by a light source. The printed circuit board blocks and deflects the light emitted by the light source to the light guide body. The printed circuit board has at least one opening to receive the light guide body.