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.

Date of Patent:
Apr. 23, 2024

Filed:

Sep. 02, 2021
Applicant:

Sharp Display Technology Corporation, Kameyama, JP;

Inventors:

David James Montgomery, Bampton, GB;

Hywel Hopkin, Oxford, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/122 (2023.01); H10K 50/818 (2023.01); H10K 50/828 (2023.01); H10K 59/35 (2023.01);
U.S. Cl.
CPC ...
H10K 59/122 (2023.02); H10K 50/818 (2023.02); H10K 50/828 (2023.02); H10K 59/353 (2023.02);
Abstract

A top-emitting subpixel structure may include at least one bank structure defining a plurality of emissive areas, and an emissive structure located in each emissive area. The subpixel structure may have a subpixel length and a subpixel width less than the subpixel length, a ratio of the subpixel length to the subpixel width defining a subpixel aspect ratio. Each emissive area may have an emissive area length and an emissive area width shorter than the emissive area length, a ratio of the emissive area length to the emissive area width defining an emissive area aspect ratio. The subpixel length may define a primary axis when the subpixel aspect ratio is greater than the emissive area aspect ratio; otherwise, the emissive area length may define the primary axis. At least a majority of the emissive areas may be arranged successively widthwise along a secondary axis perpendicular to the primary axis.


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