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. 20, 2014
Filed:
Dec. 27, 2011
Sang-dae Kim, Daegu, KR;
Sung-hoon Choi, Daegu, KR;
Seok-jong Lee, Gumi-si, KR;
Kyu-ii Han, Gumi-si, KR;
Byung-soo Kim, Seoul, KR;
Eun-jung Park, Daegu, KR;
Young-dock Cho, Busan, KR;
Hong-je Yun, Gumi-si, KR;
Tae-ii Kum, Daegu, KR;
Gwi-jeong Cho, Daegu, KR;
Sang-Dae Kim, Daegu, KR;
Sung-Hoon Choi, Daegu, KR;
Seok-Jong Lee, Gumi-si, KR;
Kyu-II Han, Gumi-si, KR;
Byung-soo Kim, Seoul, KR;
Eun-Jung Park, Daegu, KR;
Young-Dock Cho, Busan, KR;
Hong-Je Yun, Gumi-si, KR;
Tae-II Kum, Daegu, KR;
Gwi-Jeong Cho, Daegu, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
An organic electroluminescent display device includes a first substrate including a display region including a plurality of pixel regions; a first electrode in each pixel region; an organic light emitting layer on the first electrode; a second electrode on the organic light emitting layer and in the display region, wherein the second electrode includes a first metal material having a first wt %, a first work function, and a first sheet resistance, and a second metal material having a second wt % less than the first wt %, a second work function less than the first work function, and a second sheet resistance greater than the first sheet resistance.