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:
Nov. 20, 2007
Filed:
Dec. 26, 2006
Hideaki Yui, Machida, JP;
Hideaki Yui, Machida, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide an image display apparatus, including first to N-th electron-emitting devices; a spacer; a driving circuit for correcting each of the first to N-th driving signals for driving the first to N-th electron-emitting devices and outputting it; first to N-th light emission areas; in which the driving circuit has a correction circuit; and the correction circuit has a first circuit of calculating a correction value for correcting the driving signal; a second circuit of calculating a representative value by using a plurality of correction values for correcting the driving signal for driving each electron-emitting device of a group consisted of near M pieces of electron-emitting devices including first and second electron-emitting devices; a storage unit for storing the representative value; and a third circuit for correcting a driving signal for driving each electron-emitting device of the group by using the representative value.