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. 19, 2019
Filed:
Dec. 29, 2017
Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Dong Chan Kim, Yongin-si, KR;
Won Jong Kim, Yongin-si, KR;
Ji Young Moon, Yongin-si, KR;
Dong Kyu Seo, Yongin-si, KR;
Myung Chul Yeo, Yongin-si, KR;
Ji Hye Lee, Yongin-si, KR;
Yoon Hyeung Cho, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-Si, Gyeonggi-do, KR;
Abstract
A light-emitting diode includes a first electrode, a second electrode overlapping the first electrode, a first emission layer and a second emission layer provided between the first electrode and the second electrode, and a first charge generating layer provided between the first emission layer and the second emission layer, the first charge generating layer including a p-type charge generating layer and an n-type charge generating layer. The n-type charge generating layer may include an organic material and an inorganic material doped to the organic material, and the inorganic material may include a lanthanide metal or an alkali earth metal, and an alkali halide.