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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 12334484 B1

PDFFull Text
Date of Patent:
Jun. 17, 2025

Filed:

Mar. 11, 2022

Display device

Applicant:

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

Inventors:

Sung Geun Bae, Hwaseong-si, KR;

Jang Soon Park, Asan-si, KR;

Hyun Wook Lee, Suwon-si, KR;

Da Sol Jeong, Seoul, KR;

Won Hyeong Heo, Seoul, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;

Attorney:

KILE PARK REED & HOUTTEMAN PLLC

Primary Examiner:

Eliseo Ramos Feliciano

Assistant Examiner:

Mikka Liu

Int. Cl.
CPC ...
H10K 59/122 (2023.01); H01L 25/16 (2023.01); H10K 50/858 (2023.01); H10K 50/86 (2023.01); H10K 59/131 (2023.01); H10K 59/38 (2023.01); H10K 59/80 (2023.01);
U.S. Cl.
CPC ...
H01L 25/167 (2013.01); H10K 50/858 (2023.02); H10K 50/865 (2023.02); H10K 59/122 (2023.02); H10K 59/131 (2023.02); H10K 59/38 (2023.02); H10K 59/879 (2023.02); H10K 59/8792 (2023.02);
Abstract

A display device includes a first electrode and a second electrode on a substrate spaced apart from each other, a first insulating layer on the first and second electrodes, wall patterns on the first insulating layer and overlapping the first electrode and the second electrode, a second insulating layer on the first insulating layer and overlapping the wall patterns, light-emitting elements directly on the second insulating layer and between the wall patterns, a bank layer on the first insulating layer and surrounding an area including the light-emitting elements, and a first connecting electrode on the first electrode electrically contacting the light-emitting elements, and a second connecting electrode on the second electrode electrically contacting the light-emitting elements, the first insulating layer includes an organic insulating material, and the second insulating layer includes an inorganic insulating material.

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