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.

Date of Patent:
Jun. 07, 2005

Filed:

Sep. 13, 2002
Applicants:

Hiroyuki Takahashi, Funabashi, JP;

Katsuhiko Yarita, Mobara, JP;

Inventors:

Hiroyuki Takahashi, Funabashi, JP;

Katsuhiko Yarita, Mobara, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G003/36 ; G09G005/00 ; G02F001/1345 ;
U.S. Cl.
CPC ...
Abstract

A display device of the present invention has a drain driver mounted to a display substrate and having a gate driver and a controller therein, and also has a power source mounted to a flexible printed board and supplying a power voltage to the gate driver. The wiring of a common control signal outputted from the controller and commonly used in control of the gate driver and the power source is formed on the display substrate so that the number of pads for connecting the display substrate and the flexible printed board is reduced. Thus, the construction of the flexible printed board is simplified, and the entire display device can be made compact.


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