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:
Jul. 22, 2003
Filed:
Jun. 30, 2000
Yoshihiro Katsu, Zama, JP;
Hiroshi Yamashita, Fujisawa, JP;
Yasuhiro Kimura, Yamato, JP;
Satoshi Tsuji, Hadano, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
In each pixel region of a liquid crystal TFT array substrate, formed are an ITO transparent electrode , a gate line , a data line , a TFT active device , an identification mark and the like. The identification mark is provided by forming a bar code made of silver on the gate line . Since the identification mark is formed within the pixel region , a transistor to be repaired can be surely identified, for example, by detecting the identification mark in a repair processing of the TFT array substrate. Furthermore, in an information processing apparatus for inputting figures and characters onto a screen using a laser pen, a locus of the laser pen can be accurately specified by specifying a position of a pixel region from an identification mark detected by the laser pen, and the figures and the characters input can be recognized minutely.