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:
Sep. 23, 2014
Filed:
Dec. 15, 2011
Keunchoul Kim, Seoul, KR;
Changhoon Jeon, Paju-si, KR;
Keunchoul Kim, Seoul, KR;
Changhoon Jeon, Paju-si, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
An organic light emitting display device according to the present invention comprises a display unit; a power supply unit; a driving unit including an output buffer generating the reference voltage and applying the reference voltage to the pixels, and generating a current path control signal in a different logic level along with controlling whether to operate the power IC according to an operating mode; and a leakage current cut-off unit switching a current path between the output terminal of the power supply unit and the input terminal of the OLED driving voltage according to the current path control signal.