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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 11889723 B1

PDFFull Text
Date of Patent:
Jan. 30, 2024

Filed:

Oct. 18, 2021

Display device including a light blocking layer over a pixel defining layer

Applicant:

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

Inventors:

Byung-chul Kim, Yongin-si, KR;

Sujeong Kim, Yongin-si, KR;

Kiyoung Yeon, Yongin-si, KR;

Sun-kyu Joo, Yongin-si, KR;

Chul Huh, Yongin-si, KR;

Inok Kim, Yongin-si, KR;

Hyeran Mun, Yongin-si, KR;

Inseok Song, Yongin-si, KR;

Wooyoung Lee, Yongin-si, KR;

Yui-ku Lee, Yongin-si, KR;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Matthew E Warren

Int. Cl.
CPC ...
H10K 59/126 (2023.01); H10K 50/86 (2023.01); H10K 50/844 (2023.01); H10K 59/122 (2023.01); H10K 59/124 (2023.01); H10K 71/00 (2023.01); H01L 27/12 (2006.01); H10K 59/35 (2023.01); H10K 59/38 (2023.01); H10K 59/40 (2023.01); H10K 59/131 (2023.01); H10K 59/12 (2023.01); H10K 59/121 (2023.01);
U.S. Cl.
CPC ...
H10K 59/126 (2023.02); H10K 50/844 (2023.02); H10K 50/86 (2023.02); H10K 50/865 (2023.02); H10K 59/122 (2023.02); H10K 59/124 (2023.02); H10K 71/00 (2023.02); H01L 27/124 (2013.01); H01L 27/1248 (2013.01); H10K 59/1201 (2023.02); H10K 59/1213 (2023.02); H10K 59/131 (2023.02); H10K 59/35 (2023.02); H10K 59/353 (2023.02); H10K 59/38 (2023.02); H10K 59/40 (2023.02);
Abstract

A display device including a substrate that includes a circuit layer; an insulating layer on the substrate; a pixel defining layer on the insulating layer, the pixel defining layer having an opening exposing a region of a top surface of the insulating layer; a light blocking layer covering a top surface and a side surface of the pixel defining layer; and an organic electroluminescent element in the opening, wherein the organic electroluminescent element includes a first electrode on the region of the top surface of the insulating layer exposed through the opening; at least one organic layer on the first electrode; and a second electrode on the at least one organic layer.

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