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:
Apr. 14, 2015
Filed:
Apr. 18, 2012
Jin-woo Park, Yongin, KR;
Myung-jong Jung, Yongin, KR;
Sung-woo Cho, Yongin, KR;
Sang-woo Pyo, Yongin, KR;
Hyo-yeon Kim, Yongin, KR;
Jin-Woo Park, Yongin, KR;
Myung-Jong Jung, Yongin, KR;
Sung-Woo Cho, Yongin, KR;
Sang-Woo Pyo, Yongin, KR;
Hyo-Yeon Kim, Yongin, KR;
Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;
Abstract
In one aspect, an organic light-emitting display apparatus is provided including a first sub-pixel, a second sub-pixel, and a third sub-pixel that are each a different color, the apparatus including: a substrate; a first electrode disposed on the substrate; a second electrode disposed on the first electrode so as to face the first electrode; an organic emission layer disposed between the first electrode and the second electrode and comprising a first organic emission layer, a second organic emission layer, and a third organic emission layer; a hole transport layer disposed between the first electrode and the organic emission layer; and an electron accepting layer disposed between the first electrode and the second electrode. The organic light-emitting display apparatus has improved image quality and lifetime.