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:
Aug. 12, 2014
Filed:
Dec. 16, 2010
Yong-tak Kim, Yongin, KR;
Won-jong Kim, Yongin, KR;
Ji-young Choung, Yongin, KR;
Joon-gu Lee, Yongin, KR;
Jin-baek Choi, Yongin, KR;
Kyu-hwan Hwang, Yongin, KR;
Il-soo OH, Yongin, KR;
Jong-hyuk Lee, Yongin, KR;
Yong-Tak Kim, Yongin, KR;
Won-Jong Kim, Yongin, KR;
Ji-Young Choung, Yongin, KR;
Joon-Gu Lee, Yongin, KR;
Jin-Baek Choi, Yongin, KR;
Kyu-Hwan Hwang, Yongin, KR;
Il-Soo Oh, Yongin, KR;
Jong-Hyuk Lee, Yongin, KR;
Samsung Display Co., Ltd., Giheung-Gu, Yongin, Gyeonggi-Do, KR;
Abstract
An organic light emitting diode device includes a first electrode, a second electrode, and an emission layer disposed between the first and second electrodes. The first electrode includes a first layer and a second layer. The first layer includes ytterbium (Yb), samarium (Sm), lanthanum (La), yttrium (Y), calcium (Ca), strontium (Sr), cesium (Cs), ruthenium (Ru), barium (Ba), or a combination thereof and having a thickness ranging from about 40 to 200 Å. The second layer includes silver (Ag), aluminum (Al), copper (Cu), chromium (Cr), or a combination thereof and having a thickness ranging from about 100 to 250 Å.