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    • 5. 发明授权
    • Line-of-light illuminating device
    • 光线照明装置
    • US5295047A
    • 1994-03-15
    • US863888
    • 1992-04-06
    • Gene R. Windross
    • Gene R. Windross
    • F21S8/10F21V8/00G01D11/28G01D13/22
    • F21S48/2262F21S48/218F21S48/2237F21S48/2287G01D11/28G01D13/22G02B6/0001G02B6/0008
    • A line-of-light illuminating device includes an optical lightpipe for receiving and transmitting light by internal reflection and an integral optical lens located at an emission portion of the lightpipe for focusing the reflected light into a collimated line-of-light beam. The lightpipe and lens are preferably injection molded in a single shot as a unitary device. The lightpipe preferably has an isosceles triangular cross-sectional shape with an apex formed at the point where the two equilateral sides join. A reflective surface is formed along the apex on the emission portion of the lightpipe, and the lens is located on the side opposite the apex. The internally reflected light striking the reflective surface is reflected perpendicularly therefrom to the lens. The lens focusses the reflected light into the collimated line-of-light beam.
    • 光线照明装置包括用于通过内部反射接收和透射光的光学光管和位于光管的发射部分处的整体光学透镜,用于将反射光聚焦成准直的光束。 光管和透镜优选地以单次注射成型为单一装置。 光管优选具有等腰三角形横截面形状,其顶点形成在两个等边侧连接的点处。 沿着光管的发射部分的顶点形成反射表面,并且透镜位于与顶点相对的一侧。 撞击反射表面的内部反射光从其垂直地反射到透镜。 透镜将反射光聚焦成准直光束。
    • 6. 发明授权
    • Adaptor for coupling a light guide to a light source, in particular for
providing an integrated side light in a motor vehicle headlamp assembly
    • 用于将光导耦合到光源的适配器,特别是用于在机动车辆前照灯组件中提供集成的侧光
    • US4631642A
    • 1986-12-23
    • US736460
    • 1985-05-21
    • Norbert Brun
    • Norbert Brun
    • F21S8/10F21S8/12F21V8/00F21V14/02G02B6/42F21V7/04
    • F21S48/2262F21S48/1241F21S48/2237F21S48/2243F21S48/2268F21S48/2287G02B6/0006G02B6/4203G02B6/4298F21V2200/17
    • An adaptor in accordance with the invention serves to couple a cylindrical light guide (40) with a light source (10). The adaptor comprises an inlet surface (20) which is concave, which is spherical, which is centered on the center point (0) of said light source and which receives said light source in such a manner that all light rays from said source striking said inlet surface pass therethrough without being deflected and thus enter the guide; the adaptor further includes a light flux recovery surface (30) which is convex and symmetrical about the axis of the light guide, said recovery surface is such that the angle of incidence of a light ray emitted from the source and passing into the guide through the inlet surface is always greater than the limiting angle for total internal reflection corresponding to the refractive index of the material constituting the guide. In this manner, any ray which enters the light guide and which strikes the recovery surface is totally internally reflected and is consequently captured by the light guide. The invention is particularly applicable to providing integrated side lights in a compact headlamp assembly for a motor vehicle.
    • 根据本发明的适配器用于将圆柱形光导(40)与光源(10)耦合。 适配器包括凹入的入口表面(20),该入口表面是球形的,其以所述光源的中心点(0)为中心,并且以这样的方式接收所述光源,使得来自所述源的所有光线撞击所述光源 入口表面通过而不被偏转,从而进入引导件; 适配器还包括光束恢复表面(30),该光通量恢复表面(30)围绕光导的轴线是凸的和对称的,所述恢复表面使得从源发射并通过引导件的光线的入射角通过 入口表面总是大于对应于构成导向件的材料的折射率的全内反射的限制角。 以这种方式,进入光导并且撞击恢复表面的任何射线全部被内部反射,并因此被光导所捕获。 本发明特别适用于在机动车辆的紧凑型前照灯组件中提供集成的侧灯。