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:
Oct. 15, 2013
Filed:
Jan. 11, 2011
Etsuji Sato, Singapore, SG;
Chun Kiong Leslie Khoo, Singapore, SG;
Jiong Fu, Singapore, SG;
Maung Zabu Ko, Singapore, SG;
Shuang Zhang, Singapore, SG;
Muhammad S/o Abuturab, Singapore, SG;
Etsuji Sato, Singapore, SG;
Chun Kiong Leslie Khoo, Singapore, SG;
Jiong Fu, Singapore, SG;
Maung Zabu Ko, Singapore, SG;
Shuang Zhang, Singapore, SG;
Muhammad S/O Abuturab, Singapore, SG;
Panasonic Corporation, Osaka, JP;
Panasonic Semiconductor Asia Pte. Ltd., Singapore, SG;
Abstract
An apparatus to detect faulty connection of LED (open/short conditions) which may affect the function of LED display panel is presented. The apparatus basically controls the switches through control algorithm circuit to get the information of LED driver output pins voltage and compare them with two reference voltages to determine the open/short condition of individual LED.