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. 29, 2013
Filed:
Jan. 05, 2011
Sung Cheon Park, Yongin, KR;
Sung Cheon Park, Yongin, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
In order to adjust a black level by using a power supply voltage, an organic electroluminescent display device includes: a plurality of scan lines arranged in a row direction; a plurality of data lines arranged in a column direction; a plurality of pixels formed at intersections between the plurality of scan lines and the plurality of data lines; and a direct current (DC)-DC converter to supply a power supply voltage to the plurality of pixels, wherein the DC-DC converter includes a set resistor, and to convert a reference voltage selected according to a set voltage determined by the set resistor into a power supply voltage and to supply the power supply voltage to the plurality of pixels.