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:
Feb. 22, 2022
Filed:
Apr. 29, 2015
Cambridge Enterprise Limited, Cambridge, GB;
Richard Henry Friend, Fulbourn, GB;
Reza Saberi Moghaddam, Cambridge, GB;
Zhi Kuang Tan, Singapore, SG;
Aditya Sadhanala, New Panvel, IN;
May Ling Lai, Cambridgeshire, GB;
Pablo Docampo, Newcastle upon Tyne, GB;
Felix Deschler, Cambridge, GB;
Michael Price, Cambridgeshire, GB;
Fabian Hanusch, Munich, DE;
Henry Snaith, Oxfordshire, GB;
CAMBRIDGE ENTERPRISE LIMITED, Cambridge, GB;
Abstract
A solid state light-emitting device comprising: a first electrode coupled to a first charge injecting layer; a second electrode coupled to a second charge injecting layer; an emissive layer comprising a perovskite material, wherein the emissive layer is provided between the first and second charge injecting layers; and wherein the bandgaps of the first and second charge injecting layers are larger than the bandgap of the emissive perovskite layer.