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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 12185576 B1

PDFFull Text
Date of Patent:
Dec. 31, 2024

Filed:

May. 07, 2021

Display device including sub-dams and multi-layered bank

Applicant:

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

Inventors:

Eun Ae Jung, Hwaseong-si, KR;

Eun Hye Kim, Namyangju-si, KR;

Ki Ho Bang, Hwaseong-si, KR;

Assignee:

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

Attorney:

Innovation Counsel LLP

Primary Examiner:

Ida M Soward

Int. Cl.
CPC ...
H10K 50/84 (2023.01); G06F 3/041 (2006.01); H10K 50/844 (2023.01); H10K 50/86 (2023.01); H10K 59/12 (2023.01); H10K 59/122 (2023.01); H10K 59/124 (2023.01); H10K 59/40 (2023.01); H10K 77/10 (2023.01); G06F 3/044 (2006.01); H01L 27/146 (2006.01); H10K 50/15 (2023.01); H10K 50/816 (2023.01); H10K 50/828 (2023.01); H10K 59/131 (2023.01); H10K 59/38 (2023.01);
U.S. Cl.
CPC ...
H10K 50/865 (2023.02); G06F 3/0412 (2013.01); H10K 50/844 (2023.02); H10K 59/122 (2023.02); H10K 59/124 (2023.02); H10K 59/40 (2023.02); H10K 77/111 (2023.02); G06F 3/04164 (2019.05); G06F 3/0446 (2019.05); G09G 2300/0408 (2013.01); H01L 27/14678 (2013.01); H10K 50/15 (2023.02); H10K 50/816 (2023.02); H10K 50/828 (2023.02); H10K 59/131 (2023.02); H10K 59/38 (2023.02);
Abstract

A display device includes a substrate; an emission layer disposed on the substrate, and including emission areas and a pixel defining layer disposed between the emission areas and including a light blocking material; an encapsulation layer disposed on the emission layer, and including a first inorganic encapsulation film, an organic encapsulation film on the first inorganic encapsulation film, and a second inorganic encapsulation film on the organic encapsulation film; a dam surrounding the organic encapsulation film, including an organic material, and including a plurality of sub-dams; and a bank disposed to surround at least a portion of the dam, and including a first bank layer, a second bank layer on the first bank layer, a third bank layer on the second bank layer, and a fourth bank layer on the third bank layer, wherein the third bank layer includes the light blocking material.

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