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:
May. 08, 2012
Filed:
Apr. 24, 2009
Chuan Hoe Chan, Penang, MY;
Sian Tatt Lee, Penang, MY;
Choon Guan Ko, Sungai Dua, MY;
Fook Chuin NG, Taman Bayu, MY;
Chuan Hoe Chan, Penang, MY;
Sian Tatt Lee, Penang, MY;
Choon Guan Ko, Sungai Dua, MY;
Fook Chuin Ng, Taman Bayu, MY;
Avago Technologies ECBU IP (Singapore) Pte. Ltd., Singapore, SG;
Abstract
A light guide display includes a printed overlay layer, a first light guide layer, and a second light guide layer. The printed overlay layer includes an input region with a symbol that is at least partially translucent. The first light guide layer is disposed on a back side of the printed overlay layer to illuminate the symbol of the printed overlay layer in response to illumination of the first light guide layer. The second light guide layer is disposed on a front side of the printed overlay layer, opposite the first light guide layer. The second light guide layer includes a separate symbol that is distinct from the symbol of the printed overlay layer. The second light guide layer illuminates the separate symbol of the second light guide layer in response to illumination of the second light guide layer.