logo

For the Inventor, By the Inventor

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 12720993 B1

PDFFull Text
Date of Patent:
Aug. 25, 2026

Filed:

Jan. 27, 2023

Organic electroluminescent devices

Applicant:

Universal Display Corporation, Ewing, NJ (US);

Inventors:

Michael Hack, Carmel, CA (US);

Michael Stuart Weaver, Princeton, NJ (US);

Eric A. Margulies, Philadelphia, PA (US);

Lorne A. Whitehead, Vancouver, CA;

Assignee:

Universal Display Corporation, Ewing, NJ (US);

Attorney:

Butzel Long

Primary Examiner:

Jacob Y Choi

Assistant Examiner:

Ashley Nicole Blackwell

Int. Cl.
CPC ...
H10K 59/35 (2023.01); H10K 59/80 (2023.01);
U.S. Cl.
CPC ...
H10K 59/353 (2023.02); H10K 59/80518 (2023.02); H10K 59/876 (2023.02); H10K 59/8793 (2023.02);
Abstract

Embodiments of the disclosed subject matter provide a device including an organic light emitting device (OLED) display having at least one pixel having a plurality of sub-pixels, where at least one color sub-pixel of the plurality of sub-pixels may be configured to output red light, green light, and/or blue light. The device may include at least one sub-pixel that is configured to have a Lambertian emission, and at least one sub-pixel having a microcavity configured for direct emission such that a first ratio of light from the direct emission sub-pixel in a cone having an angle of 0-20° in a normal direction relative to an overall light emission from the direct emission sub-pixel having at least 10%, at least 20%, and/or at least 30% higher than a second ratio of light from the Lambertian emission sub-pixel.

Find Patent Forward Citations

Hack, Michael. (2026). Organic electroluminescent devices (U.S. Patent No. 12720993). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12720993

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…