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:
Nov. 12, 2019
Filed:
Nov. 29, 2017
Lg Display Co., Ltd., Seoul, KR;
KyoungWon Lee, Goyang-si, KR;
ChangHoon Jeon, Paju-si, KR;
LG DISPLAY CO., LTD., Seoul, KR;
Abstract
An electroluminescent display device includes a pixel area including a plurality of sub-pixels displaying an image signal at a specific refresh rate, a plurality of ELVDD lines electrically connected to the plurality of sub-pixels, a plurality of data lines electrically connected to the plurality of sub-pixels, a plurality of scan lines electrically connected to the plurality of sub-pixels, a plurality of EM lines electrically connected to the plurality of sub pixels, a scan driver sequentially supplying a scan signal to the plurality of scan lines and sequentially supplying an EM signal having a specific duty ratio pattern configured to control a dimming level of the pixel area to the plurality of EM lines, and a driving unit electrically connected to the plurality of data lines and the scan driver, and configured to control the dimming level according to a dimming control signal.