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:
Sep. 29, 2026
Filed:
Dec. 11, 2020
Applicant:
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Assignee:
BOE Technology Group Co., Ltd., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 50/11 (2023.01); G09G 3/3233 (2016.01); H10K 50/15 (2023.01); H10K 50/18 (2023.01); H10K 85/60 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
H10K 50/11 (2023.02); H10K 50/181 (2023.02); H10K 85/631 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); G09G 3/3233 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0452 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2320/0626 (2013.01); G09G 2330/021 (2013.01); H10K 50/15 (2023.02); H10K 85/6572 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02);
Abstract
Provided are an organic light emitting device and a display apparatus. An organic light emitting device, including an anode, a cathode, and an emitting layer disposed between the anode and the cathode; wherein a hole transport layer and an electron blocking layer are disposed between the anode and the emitting layer; the hole transport layer and the electron blocking layer satisfy:|HOMO−HOMO|≤0.2 eV
Quick Actions:
Chen, Lei. (2026). Organic light emitting device and display apparatus (U.S. Patent No. 12751131). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12751131
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile