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:
May. 21, 2019
Filed:
Jun. 16, 2015
Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;
Heechul Hwang, Yongin, KR;
Joohyung Lee, Yongin, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An organic light-emitting display device includes: a display panel comprising a plurality of pixels, wherein each of the plurality of pixels comprises an organic light-emitting diode (OLED) configured to emit light of one color from among a plurality of colors comprising red, green, and blue; a degradation determiner configured to determine a degree of degradation of the OLED from a value of accumulated image data that is input to each of the plurality of pixels; a current sensor configured to apply a sensing voltage to the OLED and to measure a current corresponding to the sensing voltage; and a degradation calculator configured to calculate an amount of degradation of the OLED from the current measured by the current sensor.