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:
Jun. 23, 2015
Filed:
Jun. 24, 2013
Applicants:
Samsung Display Co., Ltd., Yongin, Gyeonggi-do, KR;
Nextin, Inc., Seongnam-si, Gyeonggi-do, KR;
Inventors:
Young Woo Choi, Cheonan-si, KR;
Kwangsae Lee, Cheonan-si, KR;
Assignee:
Samsung Display SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/30 (2006.01); H05B 33/08 (2006.01); G09G 3/00 (2006.01); G09G 3/32 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0896 (2013.01); G09G 3/006 (2013.01); G09G 3/3233 (2013.01); G09G 2300/0861 (2013.01);
Abstract
Provided is an organic light emitting display device including: a display unit including a plurality of pixels, each pixel of the pixels including an organic light emitting diode; and a test circuit configured to apply a first signal and a second signal to the display unit and to receive a third signal from the display unit. The test circuit is configured to determine whether or not the display unit is in a normal state based on a voltage level of the third signal when the first and second signals have a first level.