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:
Sep. 30, 2014
Filed:
Dec. 21, 2012
Lg Display Co., Ltd., Seoul, KR;
Hwa Kyung Kim, Gyeonggi-do, KR;
Chang Wook Han, Seoul, KR;
Do Hyung Kim, Seoul, KR;
Hongseok Choi, Seoul, KR;
Yoon Heung Tak, Gyeonggi-do, KR;
Ki-Woog Song, Jeonbuk, KR;
Mi-Young Han, Gyeonggi-do, KR;
Jimin Kim, Incheon, KR;
Hye Min Oh, Seoul, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
Disclosed is an organic light emitting display device. The organic light emitting display device includes a substrate, a thin film transistor formed on the substrate, a first electrode formed on the thin film transistor, an organic emission layer, and a second electrode formed on the organic emission layer. The organic emission layer includes a first stack that includes a first emission layer formed on the first electrode to emit first color light, a second stack that includes a second emission layer formed on the first electrode to emit second color light, and a charge generation layer formed between the first and second stacks.