公开(公告)号：US20150318456A1

公开(公告)日：2015-11-05

申请号：US14700149

申请日：2015-04-30

申请人： Jo-Han HSU

发明人： Jo-Han HSU

IPC分类号： H01L33/58

CPC分类号： H01L33/58 ,  H01L2933/0091

摘要： The present invention provides an optical lens device, comprising a LED module and an optical lens. The structure of the optical lens is symmetrically formed with respect to a central axis, the structure comprising a funnel-like upper face, a base face and a lateral face. At the center of base face, there is projectingly provided with a light-guiding structure. Rays emitted from the LED module are allowed to enter into the optical lens through the light-guiding structure, and a part of wide-angle rays are totally reflected by a lateral side of the light-guiding structure to be directed toward the upper face, and then emitted through the lateral face after totally reflected by the upper face. Accordingly, the side illuminating rays may be increased by directing the part of wide-angle rays to be emitted through the lateral face, and thus the luminous efficacy of side illumination is enhanced.

摘要翻译： 本发明提供一种包括LED模块和光学透镜的光学透镜装置。 光学透镜的结构相对于中心轴对称地形成，该结构包括漏斗状上表面，基面和侧面。 在基面的中心突出设有导光结构。 允许从LED模块发射的光线通过导光结构进入光学透镜，并且一部分广角射线被导光结构的侧面全反射以指向上表面， 然后通过上表面完全反射后通过侧面发射。 因此，可以通过引导通过侧面发射的广角射线的一部分来增加侧面照射光线，从而提高侧面照明的发光效率。