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. 25, 2013
Filed:
Feb. 28, 2011
Sang Hyun Cha, Seoul, KR;
Yeun Joong Lee, Seoul, KR;
Gyu Hyeong Cho, Daejeon, KR;
Jin Yong Jeon, Daegu, KR;
Jun Hyeok Yang, Daegu, KR;
Hyun Sik Kim, Jeollabuk-do, KR;
Jae Shin Lee, Gyunggi-do, KR;
Sang Hyun Cha, Seoul, KR;
Yeun Joong Lee, Seoul, KR;
Gyu Hyeong Cho, Daejeon, KR;
Jin Yong Jeon, Daegu, KR;
Jun Hyeok Yang, Daegu, KR;
Hyun Sik Kim, Jeollabuk-do, KR;
Jae Shin Lee, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon, Gyunggi-Do, KR;
Abstract
There is provided an organic light emitting diode driver capable of compensating for pixel deterioration in real time during the driving of pixels by selectively compensating pixels, requiring compensation, for the deterioration thereof, and precisely setting calibration data by removing an IR drop across a transistor, employed as a switch in the pixels, by calculating a difference between at least two representative values of different gray scale ranges among predetermined gray scale ranges.