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:
Aug. 08, 2017
Filed:
Jul. 16, 2015
Samsung Display Co., Ltd., Yongin, KR;
Seoul Viosys Co., Ltd., Ansan-si, KR;
Abstract
A touch display device including: a plurality of first sensing electrodes; a plurality of second sensing electrodes forming a mutual capacitance with the plurality of first sensing electrodes; an oscillation circuit connected with the plurality of second sensing electrodes and supplying energy so as to generate a first sinusoidal wave signal; a first electrode plate forming a parasitic capacitance with the first and second sensing electrodes and receiving a second sinusoidal wave signal corresponding to the first sinusoidal wave signal; and a scanning driver configured to sequentially select the plurality of first sensing electrodes one-by-one, apply a reference voltage to the selected first sensing electrode, and float the first sensing electrodes which are not selected.