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:
Jan. 25, 2011
Filed:
Nov. 27, 2003
Pierre Fagard, Elancourt, FR;
Pierre Fagard, Elancourt, FR;
Thales, , FR;
Abstract
The invention pertains to a display device, the surface of the device being rendered touch-sensitive, the device comprising a first dedicated part comprising two insulating plates, a layer of material exhibiting electro-optical properties suitable for rendering all or part of its surface visible under the effect of an electrical control signal, the layer being disposed between the two plates, at least one first electrode having the shape of a pictogram, the first electrode being disposed on a face of one of the insulating plates, a second electrode disposed on a face of the other insulating plate opposite at least one first electrode. According to the invention, the second electrode is used as responsive element of the touch-sensitive surface of the device, the surface area of the second electrode is at least 9 mm, and the surface area of the second electrode is greater than the surface area or the sum of the surface areas of the first electrode or electrodes opposite.