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.

Date of Patent:
Jun. 23, 2026

Filed:

Jul. 25, 2023
Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Sungju Choi, Paju-si, KR;

Jaeyoon Park, Paju-si, KR;

Jungseok Seo, Paju-si, KR;

Seoyeon Im, Paju-si, KR;

Jinwon Jung, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/786 (2006.01); H01L 29/417 (2006.01); H10D 30/67 (2025.01); H10K 59/121 (2023.01); H10K 59/126 (2023.01);
U.S. Cl.
CPC ...
H10D 30/6723 (2025.01); H10D 30/6729 (2025.01); H10D 30/6757 (2025.01); H10K 59/1213 (2023.02); H10K 59/126 (2023.02);
Abstract

Discussed is a thin film transistor and a display apparatus. The thin film transistor can include a light shielding layer disposed on the substrate and formed of, or include conductive materials, an active layer disposed on the light shielding layer and overlapping the light shielding layer, a source electrode connected to a first side of the active layer and the light shielding layer, a drain electrode connected to a second side of the active layer, a gate electrode overlapping the active layer, and a connection layer disposed between the light shielding layer and the active layer, and electrically connecting the light shielding layer with the active layer.


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