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:
Jan. 13, 2026

Filed:

Mar. 07, 2023
Applicant:

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

Inventors:

Hiroshi Okumura, Yongin-si, KR;

Jong Hoon Choi, Yongin-si, KR;

Jong Jun Baek, Yongin-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 50/115 (2023.01); H10D 30/01 (2025.01); H10D 30/67 (2025.01); H10D 86/01 (2025.01); H10K 50/15 (2023.01); H10K 59/12 (2023.01); H10K 71/00 (2023.01); H10K 59/121 (2023.01);
U.S. Cl.
CPC ...
H10D 30/6757 (2025.01); H10D 30/0321 (2025.01); H10D 30/6713 (2025.01); H10D 30/6729 (2025.01); H10D 30/673 (2025.01); H10D 30/6745 (2025.01); H10D 30/6746 (2025.01); H10D 86/0223 (2025.01); H10K 59/1201 (2023.02); H10K 59/1213 (2023.02);
Abstract

A display device includes an active layer disposed on a substrate, the active layer including a channel region and a first conductive region, the first conductive region including a first sub-conductive region disposed on a first side of the channel region, and a second sub-conductive region disposed between the first sub-conductive region and the channel region. The first conductive region further includes a first doped layer disposed on the substrate in the first sub-conductive region, a second doped layer disposed on the first doped layer in the first sub-conductive region, disposed on the substrate in the second sub-conductive region, and a third doped layer disposed on the second doped layer in the first sub-conductive region and the second sub-conductive region.


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