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. 21, 2006
Filed:
Apr. 14, 1999
Applicants:
Wolfgang Jacobsen, Köln, DE;
Ralf Neigl, Leverkusen, DE;
Inventors:
Wolfgang Jacobsen, Köln, DE;
Ralf Neigl, Leverkusen, DE;
Assignee:
Bayer Innovation GmbH, Düsseldorf, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The display device with touch sensor according to the invention consists of an electrochromic cell known per se or a liquid crystal cell, which is located between two transparent plates, a transparent cover plate and a transparent support plate. A radiation source whose light enters the cover plate and illuminates it is arranged on at least one of the end faces of the transparent cover plate. At least one photodetector, in whose photosensitive solid angle range some or all of the cover plate surface lies, is mounted on the support plate is.