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:
Dec. 26, 2006
Filed:
Feb. 26, 2004
Tsuyoshi Yoneyama, Fujimi-machi, JP;
Tsuyoshi Yoneyama, Fujimi-machi, JP;
Seiko Epson Corporation, , JP;
Abstract
A display driver, electro-optical device and electronic appliance are provided that make unnecessary processing that calculates positions in a RAM where display data is to be written according to a mounting state thereof. A display driver includes a mounting state setting register in which mounting state setting data showing a mounting state of the display driver is set, a RAM that stores display data, a row scanning flag generation circuit that generates a row scanning flag showing a scanning direction of row addresses based on the mounting state setting data, a row address decoder that decodes row addresses in accordance with the scanning direction designated by the row scanning flag, a column address decoder that decodes column addresses, a display address decoder that decodes display addresses, and a driving circuit that drives a display section based on display data read from the RAM in accordance with a decoding result of the display address decoder.