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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 12156444 B1

PDFFull Text
Date of Patent:
Nov. 26, 2024

Filed:

Sep. 07, 2021

Display apparatus including pad unit having plurality of conductive layers with multiple openings

Applicant:

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

Inventors:

Shinhyuk Yang, Yongin-si, KR;

Donghan Kang, Yongin-si, KR;

Soonwook Hong, Yongin-si, KR;

Yujin Kim, Yongin-si, KR;

Jeehoon Kim, Yongin-si, KR;

Hanhee Yoon, Yongin-si, KR;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Ida M Soward

Int. Cl.
CPC ...
H10K 50/84 (2023.01); H10K 59/12 (2023.01); H10K 59/13 (2023.01); H10K 59/131 (2023.01); H10K 50/844 (2023.01); H10K 59/121 (2023.01);
U.S. Cl.
CPC ...
H10K 59/131 (2023.02); H10K 50/844 (2023.02); H10K 59/1201 (2023.02); H10K 59/1216 (2023.02);
Abstract

A display apparatus includes: a substrate including a display area, and a peripheral area; and a pad unit at the peripheral area, the pad unit including: a first conductive layer; a second conductive layer on the first conductive layer, and having a first opening; a third conductive layer on the second conductive layer, and having a second opening overlapping with the first opening, the second opening having an area less than an area of the first opening at a top surface of the second conductive layer; an organic protective layer filling the first opening, and having a third opening overlapping with the second opening; and an additional metal layer covering a top surface of the first conductive layer exposed through the first opening, an inner surface of the second opening, an inner surface of the third opening, and a portion of a top surface of the third conductive layer.

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