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:
Mar. 08, 2016
Filed:
Jul. 23, 2014
Lg Display Co., Ltd., Seoul, KR;
Shinhan Kim, Seoul, KR;
Byungchul Ahn, Seoul, KR;
Changwook Han, Seoul, KR;
Dohyung Kim, Seoul, KR;
Hongseok Choi, Seoul, KR;
Sunghoon Pieh, Seoul, KR;
Yoonheung Tak, Goyang-si, KR;
Jeongdae Seo, Incheon, KR;
Youngkwan Jung, Daegu, KR;
Gwijeong Cho, Daegu, KR;
Younseok Kam, Seoul, KR;
Taeshick Kim, Yongin-si, KR;
LG DISPLAY CO., LTD., Seoul, KR;
Abstract
Provided is a white organic light emitting diode device, including first and second electrodes facing each other above a substrate, first and second charge generation layers formed between the first electrode and the second electrode, a first stack disposed between the first electrode and the first charge generation layer and including a first light emitting layer, a second stack disposed between the first charge generation layer and the second charge generation layer and including a second light emitting layer, and a third stack disposed between the second charge generation layer and the second electrode and including a third light emitting layer, wherein two of the first to third light emitting layers emit a blue light and the rest light emitting layer emits a yellow-green light.