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:
May. 31, 2011
Filed:
May. 16, 2007
Hiroki Awakura, Yokohama, JP;
Yasuyuki Kudo, Fujisawa, JP;
Takashi Shoji, Fujisawa, JP;
Shigeru Ota, Higashimurayama, JP;
Hiroki Awakura, Yokohama, JP;
Yasuyuki Kudo, Fujisawa, JP;
Takashi Shoji, Fujisawa, JP;
Shigeru Ota, Higashimurayama, JP;
Renesas Electronics Corporation, Kawasaki, JP;
Abstract
In a liquid crystal driver of a liquid crystal display having a structure to switch between image data for partial display from a partial memory and non-display (background pattern), changes in a partial-display area are detected according to a setting command of the partial-display area, and a mask switch is controlled so as to select the background pattern. Timing to write to the last line of the changed partial-display area in the partial memory is determined by an address counter for controlling the partial memory, and the mask switch is controlled so as to select the image data of the partial memory from a next frame.