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. 04, 2003
Filed:
Jun. 01, 2000
Yoichi Igarashi, Mobara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
For preventing a screen of a liquid crystal display device from displaying doubly, there is provided a counter for counting a pixels-number N of the display data inputted thereto during one horizontal period, a lateral pixel number generating circuit for generating a capacity number M of pixels in a lateral direction of the screen, a subtracting circuit for calculating a difference of (N−M), a pixels-number conversion circuit for converting the pixels-number N to the number M (M>N), and a clock frequency multiplying circuit for multiplying a frequency CL of the external clock signal supplied thereto by a natural number A being equal to or greater than 2 for an interface circuit thereof, and alters pixel data transferring manner to drain drivers thereof and a frequency of a clock signal transferred to the drain drivers in accordance with the result of the division M/N.