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:
Apr. 25, 2006
Filed:
Apr. 22, 2003
Manabu Kodate, Yokohama, JP;
Hiroshi Nakasima, Tokyo, JP;
Manabu Kodate, Yokohama, JP;
Hiroshi Nakasima, Tokyo, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
Portions of a liquid crystal layer and an alignment layer in an LCD which are electrically connected to a scan signal line or to a gate electrode are protected from exposure. Such an LCD can be formed from a five step photo lithographic process. Pixel electrodes Aand Bare connected to a common display signal line Dm. TFTs Mand Mare connected in series between the pixel electrode Aand the display signal line Dm. A TFT Mis connected between the pixel electrode Band the display signal line Dm. TFTs Mand Muse a scan signal line Gn+1 as respective gate electrodes thereof. TFT Muses a scan signal line Gn+2' branched from a scan signal line Gn+2 as a gate electrode thereof. The scan signal lines Gn+1 and Gn+2′ are arranged parallel to each other inside a display region. The semiconductor layer structure of the LCD is also disclosed.