公开(公告)号：US20130113706A1

公开(公告)日：2013-05-09

申请号：US13667636

申请日：2012-11-02

Applicant: LG ELECTRONICS INC.

Inventor： Jinuk PARK ,  Hyunho LEE

IPC: G06F3/02

CPC classification number: G06F1/1626 ,  G06F1/1662 ,  G06F3/0202 ,  H04M1/22 ,  H04M1/23 ,  H04M2250/22 ,  H04M2250/52

Abstract: A mobile terminal including a case; a touch key mounted in a predetermined portion of the case and configured to generate touch type input data; a light source arranged on a back side of the touch key and configured to emit light; and a light diffusion unit configured to diffuse the light emitted from the light source and provide a backlight to the touch key. Further, the light diffusion unit includes a light guide part configured to guide the light emitted by the light source; an air gap arranged on the light guide part and configured to diffuse the light provided from the light guide part; and a diffuser arranged on the air gap and configured to diffuse the light provided from the air gap towards the touch key.

Abstract translation: 一种包括壳体的移动终端; 触摸键，其安装在所述壳体的预定部分中并且被配置为生成触摸类型输入数据; 光源，其设置在所述触摸键的背面并被配置为发光; 以及光扩散单元，其被配置为扩散从所述光源发射的光并向所述触摸键提供背光。 此外，光漫射单元包括：导光部，被配置为引导由光源发射的光; 气隙，布置在所述导光部上并且构造成使从所述导光部提供的光扩散; 以及扩散器，其布置在所述气隙上并且被配置为将从所述气隙提供的光向所述触摸键扩散。