Patent ID: 9746597
Date: 2017-08-29
CPC Classifications: G02B

Claim:
1. A housing assembly, the housing assembly comprising: a fixing plate; a light pipe mounted to the fixing plate, the light pipe configured to transmit lights, the light pipe comprising: a light incident wall; a light radiation wall opposite to the light incident wall; a first side wall having a first parabolic surface, the first side wall connected to the light incident wall and the light radiation wall; and a second side wall having a second parabolic surface, the second side wall opposite to the first side wall and connected to the light incident wall and the light radiation wall, wherein the first and the second parabolic surfaces each having respective a focal point located between the first and the second parabolic surfaces; wherein the two focal points are on the light incident wall; wherein the fixing plate defines a hole, a pair of clamping blocks protrudes from the fixing plate surrounding the hole, the light pipe passes through the hole and is clamped by the pair of clamping blocks, and the light pipe is stretched out from the hole.