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:
Jul. 22, 2008
Filed:
Apr. 06, 2004
Yil Suk Yang, Daejeon-Shi, KR;
Jong Dae Kim, Daejeon-Shi, KR;
Dae Woo Lee, Daejeon-Shi, KR;
Tae Moon Roh, Daejeon-Shi, KR;
IL Yong Park, Daejeon-Shi, KR;
Sung Ku Kwon, Daejeon-Shi, KR;
Byoung Gon Yu, Daejeon-Shi, KR;
Yil Suk Yang, Daejeon-Shi, KR;
Jong Dae Kim, Daejeon-Shi, KR;
Dae Woo Lee, Daejeon-Shi, KR;
Tae Moon Roh, Daejeon-Shi, KR;
Il Yong Park, Daejeon-Shi, KR;
Sung Ku Kwon, Daejeon-Shi, KR;
Byoung Gon Yu, Daejeon-Shi, KR;
Electronics and Telecommunications Research Institute, Daejeon-shi, KR;
Abstract
Provided is a source driver circuit for an active matrix electroluminescent (EL) display including a digital-to-analog converter/ramp circuit for converting a digital signal into an analog signal, and generating a ramp signal in this process, simultaneously, whereby high degree of integration would be possible since a conventional complicated circuit is not required and gray scale with the high characteristic can be implanted, regardless of a change of a temperature or a threshold voltage.