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. 20, 2007
Filed:
Feb. 06, 2004
Yasuyuki Kudo, Fujisawa, JP;
Toshimitsu Matsudo, Tokyo, JP;
Kazuo Okado, Kokubunji, JP;
Hiroki Aizawa, Chigasaki, JP;
Yasuyuki Kudo, Fujisawa, JP;
Toshimitsu Matsudo, Tokyo, JP;
Kazuo Okado, Kokubunji, JP;
Hiroki Aizawa, Chigasaki, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Displays, Ltd., Mobara, JP;
Abstract
A display apparatus includes a data driver that is common to a main screen and a sub screen, and the data driver applies, to the main screen, a tone voltage corresponding to display data from a CPU, and during a vertical blanking time-period of the main screen, the data driver applies, to the sub screen, a tone voltage corresponding to black data or white data, and also includes a scan driver scans the main screen and scans the sub screen during the vertical blanking time-period of the main screen.