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.:

US 11910630 B1

Date of Patent:

Feb. 20, 2024

Filed:

Jun. 27, 2021

White light organic light-emitting diode (woled) devices and preparation methods thereof, woled display apparatuses

Applicant:

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Qingyu Huang, Beijing, CN;

Fudong Chen, Beijing, CN;

Huajie Yan, Beijing, CN;

Wenqi Liu, Beijing, CN;

Zhiqiang Jiao, Beijing, CN;

Assignee:

BOE Technology Group Co., Ltd., Beijing, CN;

Attorney:

IPro, PLLC

Primary Examiner:

Daniel Whalen

Int. Cl.

CPC ...

H10K 50/125 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 71/00 (2023.01);

U.S. Cl.

CPC ...

H10K 50/125 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/17 (2023.02); H10K 71/00 (2023.02);

Abstract

The present application provides a WOLED device and a preparation method thereof, a WOLED display panel. The WOLED device includes: an anode; a cathode, disposed opposite to the anode; a red-fluorescence emitting layer, disposed on a side of the anode close to the cathode; a green-fluorescence emitting layer, disposed on a side of the red-fluorescence emitting layer close to the cathode; an interlayer, disposed on a side of the green-fluorescence emitting layer; and a blue-fluorescence emitting layer, disposed on a side of the interlayer close to the cathode.

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