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 11404662 B1

Date of Patent:

Aug. 02, 2022

Filed:

Jun. 29, 2020

Display panel, packaging cover plate and manufacturing method of the same for improved display and packaging effect

Applicant:

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

Inventors:

Xinwei Gao, Beijing, CN;

Donghui Yu, Beijing, CN;

Assignee:

BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;

Attorneys:

Perilla Knox & Hildebrandt LLP

Kenneth A. Knox

Primary Examiner:

Caleb E Henry

Int. Cl.

CPC ...

H01L 29/08 (2006.01); H01L 51/52 (2006.01); H01L 27/32 (2006.01); H01L 51/56 (2006.01);

U.S. Cl.

CPC ...

H01L 51/524 (2013.01); H01L 27/322 (2013.01); H01L 27/3244 (2013.01); H01L 51/56 (2013.01);

Abstract

This disclosure relates to a display panel, a packaging cover plate, and a manufacturing method of a packaging cover plate, and relates to the field of display technology. The packaging cover plate includes a base, a color film layer, and a blocking layer. The color film layer is disposed at a side of the base, and includes a pixel defining layer and a filter layer divided into a plurality of sub-pixels by the pixel defining layer. The blocking layer is disposed at a side of the color film layer away from the base and is capable of blocking gases. The packaging cover plate can improve packaging effect and ensure the display effect.

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