公开(公告)号：US09328896B2

公开(公告)日：2016-05-03

申请号：US14144425

申请日：2013-12-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yong-ju Kim ,  Sang-woo Ha ,  Chin-woo Kim ,  Jin-ha Kim

IPC: F21V1/00 ,  F21V5/04 ,  G02B19/00 ,  F21V5/00 ,  F21Y101/02

CPC classification number: F21V5/04 ,  F21V5/004 ,  F21V5/045 ,  F21Y2115/10 ,  G02B19/0061

Abstract: A lens for controlling an illuminance distribution to realize high luminous flux efficiency by maintaining a required beam angle and uniformity on an illumination surface having a particular shape, such as a square shape, and a light-emitting diode (LED) package including the lens are provided. The lens includes an incidence surface onto which light emitted from a light-emitting device is incident, and an emission surface through which the light incident onto the incidence surface is emitted. An illuminance controller, which includes at least two optical devices, is disposed on the emission surface to control an illuminance distribution of the emission surface.

Abstract translation: 通过在具有特定形状的照明面（例如正方形）和包括透镜的发光二极管（LED）封装中保持所需的光束角度和均匀性来控制照度分布以实现高光通量效率的透镜， 提供。 透镜包括入射到从发光器件发射的光的入射表面和入射到入射表面上的光的发射表面。 包括至少两个光学装置的照度控制器设置在发射表面上以控制发射表面的照度分布。