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. 20, 2014
Filed:
Jul. 25, 2008
Chen-yu Liu, Jhongli, TW;
Ching-yi Wang, Jhongli, TW;
Chen-Yu Liu, Jhongli, TW;
Ching-Yi Wang, Jhongli, TW;
TPK Touch Solutions Inc., Taipei, TW;
Abstract
A touch screen includes a liquid crystal layer, an upper transparent conductive layer, a lower transparent conductive layer, an upper transparent plate, a lower transparent plate, an upper polarizing plate, a lower polarizing plate and a circuit unit. The upper transparent conductive layer, the upper transparent plate, the circuit unit and the upper polarizing plate are disposed on the liquid crystal layer in the above-mentioned order from one side of the liquid crystal layer. The lower transparent conductive layer, the lower transparent plate and the lower polarizing plate are disposed under the liquid crystal layer in the above-mentioned order from another side of the liquid crystal layer.