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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 12016210 B1

PDFFull Text
Date of Patent:
Jun. 18, 2024

Filed:

Mar. 25, 2022

Organic light emitting display device and method of manufacturing the same

Applicant:

Samsung Display Co., Ltd., Yongin-Si, KR;

Inventors:

Kyoungju Shin, Hwaseong-si, KR;

Seohee Ha, Cheonan-si, KR;

Jahyun Im, Yongin-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:

Innovation Counsel LLP

Primary Examiner:

Eduardo A Rodela

Int. Cl.
CPC ...
H10K 59/122 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 59/124 (2023.01); H10K 59/35 (2023.01); H10K 59/84 (2023.01); H10K 59/88 (2023.01); H10K 71/00 (2023.01); H10K 59/12 (2023.01); H10K 59/121 (2023.01);
U.S. Cl.
CPC ...
H10K 59/124 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/17 (2023.02); H10K 59/122 (2023.02); H10K 59/353 (2023.02); H10K 59/84 (2023.02); H10K 59/88 (2023.02); H10K 71/00 (2023.02); H10K 59/1201 (2023.02); H10K 59/121 (2023.02); H10K 59/352 (2023.02);
Abstract

An OLED device may include the following elements: a common electrode; a first pixel electrode overlapping the common electrode; a first emission layer positioned between the first pixel electrode and the common electrode; a second pixel electrode; a second emission layer positioned between the second pixel electrode and the common electrode; and a pixel defining layer including a first opening, a second opening, a first flat face, and an uneven surface structure, wherein the first opening partially exposes the first pixel electrode, wherein the second opening partially exposes the second pixel electrode, wherein the first flat face may be opposite the uneven surface and may be positioned between the first pixel electrode to the second electrode, and wherein the uneven surface may be positioned between the first opening and the second opening.

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