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:
Oct. 06, 2020
Filed:
Feb. 26, 2019
Samsung Display Co., Ltd., Yongin-Si, Gyeonggi-Do, KR;
Dongchan Kim, Yongin-si, KR;
Wonjong Kim, Yongin-si, KR;
Dongkyu Seo, Yongin-si, KR;
Myungchul Yeo, Yongin-si, KR;
Hyungseok Jang, Yongin-si, KR;
Yoonhyeung Cho, Yongin-si, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-si, Gyeonggi-Do, KR;
Abstract
An electronic apparatus and a lighting apparatus are provided. The apparatus includes a light-emitting device that has an intermediate layer between two electrodes, wherein the intermediate layer includes an emission layer having a perovskite compound represented by one of the following formulas: 1) [A][BB][X], 2) [A][BB][X], 3) [A][BB][X], and 4) [A][BB][X], wherein, in Formula 1), A is at least one monovalent organic-cation, a monovalent inorganic cation, or any combination thereof, Bis a Smion, Bis at least one divalent inorganic cation and does not include a Smion, n1 is a real number satisfying 0<n1≤1, n2 is a real number satisfying 0<n2≤1, and X is at least one monovalent anion.