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. 25, 2012
Filed:
Jan. 26, 2009
Masakazu Segawa, Tokyo, JP;
Mikio Araki, Tokyo, JP;
Masakazu Segawa, Tokyo, JP;
Mikio Araki, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
An LED backlight drive for driving an LED backlight having a plurality of LED lines L-Lconnected in parallel to a power feed line S, each of the LED lines having an arbitrary number of LEDs connected in series, the LED backlight drive including: an arithmetic sectionfor calculating a delay time from driving one of the plurality of LED lines L-Lto driving the next LED line; a signal generatorfor generating a plurality of control signals successively at intervals corresponding to the delay time calculated by the arithmetic section; and a driverfor driving the plurality of LED lines successively in response to the plurality of control signals generated by the signal generator.