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:
Jul. 18, 2023
Filed:
Nov. 14, 2019
Samsung Display Co., Ltd., Yongin-si, KR;
Dongkyu Seo, Yongin-si, KR;
Wonjong Kim, Suwon-si, KR;
Yeongrong Park, Osan-si, KR;
Hyeongpil Kim, Hwaseong-si, KR;
Junghee An, Hwaseong-si, KR;
Byeongwook Yoo, Hwaseong-si, KR;
Byungseok Lee, Suwon-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A luminescence device includes a first electrode, a first emission portion disposed on the first electrode, a second electrode disposed on the first emission portion, and a capping layer disposed on the second electrode and including a metal atom and a metal halide compound, wherein the metal atom is a lanthanide metal, a transition metal, or a post-transition metal and the metal halide compound is formed by combining an alkali metal atom and a halogen atom.