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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 11930681 B1

PDFFull Text
Date of Patent:
Mar. 12, 2024

Filed:

Jun. 23, 2021

Display panel and display device

Applicant:

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

Inventors:

Hongli Wang, Beijing, CN;

Chang Luo, Beijing, CN;

Lei Chen, Beijing, CN;

Kening Zheng, Beijing, CN;

Chen Xu, Beijing, CN;

Assignee:

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

Attorneys:

Collard & Roe, P.C.

William Collard

Primary Examiner:

Erik T K. Peterson

Assistant Examiner:

Christopher A Schodde

Int. Cl.
CPC ...
H10K 59/35 (2023.01); G09G 3/20 (2006.01); G09G 3/3225 (2016.01); H10K 50/813 (2023.01); H10K 50/822 (2023.01); H10K 50/84 (2023.01); H10K 59/121 (2023.01); H10K 59/122 (2023.01); H10K 59/124 (2023.01); H10K 59/131 (2023.01); H10K 59/40 (2023.01);
U.S. Cl.
CPC ...
H10K 59/353 (2023.02); G09G 3/2003 (2013.01); G09G 3/3225 (2013.01); H10K 50/813 (2023.02); H10K 50/822 (2023.02); H10K 50/84 (2023.02); H10K 59/121 (2023.02); H10K 59/122 (2023.02); H10K 59/124 (2023.02); H10K 59/131 (2023.02); H10K 59/352 (2023.02); H10K 59/40 (2023.02); G09G 2300/0452 (2013.01);
Abstract

A display panel and a display device are provided. The display panel includes a first color sub-pixels and a second color sub-pixel. The first color sub-pixel includes a first effective light emitting region, the second color sub-pixel includes a second effective light emitting region, an area of the second effective light emitting region is smaller than that of the first effective light emitting region. The first color sub-pixel includes a first color light emitting layer, the second color sub-pixel includes a second color light emitting layer, an area ratio between orthographic projections of the first color light emitting layer and the first effective light emitting region on the base substrate is less than an area ratio between orthographic projections of the second color light emitting layer and the second effective light emitting region on the base substrate.

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