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. 25, 2014
Filed:
Jan. 11, 2011
Etsuji Sato, Singapore, SG;
Atsushi Kitagawa, Kanagawa, JP;
Yoshihito Kawakami, Kanagawa, JP;
Chun Kiong Leslie Khoo, Singapore, SG;
Ulysses Ramos Lopez, Singapore, SG;
Narciso Repollo Semira, Singapore, SG;
Jiong Fu, Singapore, SG;
Etsuji Sato, Singapore, SG;
Atsushi Kitagawa, Kanagawa, JP;
Yoshihito Kawakami, Kanagawa, JP;
Chun Kiong Leslie Khoo, Singapore, SG;
Ulysses Ramos Lopez, Singapore, SG;
Narciso Repollo Semira, Singapore, SG;
Jiong Fu, Singapore, SG;
Panasonic Corporation, Osaka, JP;
Panasonic Semiconductor Asia Pte. Ltd., Singapore, SG;
Abstract
LED drivers specially directed to LED matrix driver's ghost image prevention is disclosed. The LED driver receives an external input and decodes the input to produce a time multiplex timing on turning on an LED array. The LED driver inserts a dead time to the outputs and during this time the ghost image prevention circuit discharges the output stray capacitances to a predetermined level.