The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 12, 2013
Filed:
Sep. 03, 2010
Yan Zuo Chen, Taoyuan County, TW;
Chung-hung Chien, Taoyuan County, TW;
Wen-feng Cheng, Taipei County, TW;
Hao-xiang Lin, Taoyuan County, TW;
Yan Zuo Chen, Taoyuan County, TW;
Chung-Hung Chien, Taoyuan County, TW;
Wen-Feng Cheng, Taipei County, TW;
Hao-Xiang Lin, Taoyuan County, TW;
Entire Technology Co., Ltd., Taoyuan County, TW;
Abstract
Provided is a multi-layer light guide apparatus. Various optical paths are formed as a light source emits light into the apparatus. Main structure of the apparatus includes a body and a micro-structured layer. The body has a first layer with first refractive index (n) and a second layer with second refractive index (n). The first layer has a first critical angle (θ). An interface critical angle (θ) is formed between the associated first layer and second layer. The light then outputs as the light propagates through the layers. The micro-structured layer is formed on a side of the body. It features:;0<|θ−θ|≦35°;