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:
Apr. 10, 2007
Filed:
Dec. 27, 2005
Hak Su Kim, Seoul, KR;
Jong Geun Yoon, Gyeonggi-do, KR;
Hak Su Kim, Seoul, KR;
Jong Geun Yoon, Gyeonggi-do, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A device and method for driving an organic EL display is disclosed, in which the device includes a photo converter sensing an intensity of external light, and converting the sensed light to an electric signal; an A/D converter converting the electric signal of the photo converter from an analog signal to a digital signal; a comparator comparing the value of the electric signal converted to the digital signal with a preset reference value; a controller controlling at least any one of the driver and the power source according to comparison results; a driver controlling the amount of current applied to a display panel according to a control signal of the controller; and a power source controlling the intensity of voltage applied to the driver and the display panel according to the control signal of the controller.