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:
Nov. 05, 2019
Filed:
Dec. 12, 2018
Lg Display Co., Ltd., Seoul, KR;
Sangbeom Kim, Paju-si, KR;
Jeongdae Seo, Incheon, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
Disclosed is an organic light emitting diode and an organic light emitting display including the same, where the organic light emitting diode includes: a first electrode; a light emitting stack disposed on the first electrode; and a second electrode disposed on the light emitting stack, where the light emitting stack includes a hole transport layer and a blue light emitting layer such that the hole transport layer and the blue light emitting layer are sequentially stacked on the first electrode, where the blue light emitting layer includes a blue host material and a blue fluorescent dopant material, and the hole transport layer includes a hole transport layer material. The blue fluorescent dopant material has a higher LUMO energy level than the blue host material and the blue fluorescent dopant material has a higher HOMO energy level than the blue host material.