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.:
Date of Patent:
May. 13, 2025
Filed:
May. 23, 2022
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Jong Oh Seo, Seoul, KR;
Jang Hyun Kim, Hwaseong-si, KR;
Byung Soo So, Yongin-si, KR;
Jae Woo Jeong, Suwon-si, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/121 (2023.01); H01L 27/12 (2006.01); H10K 59/12 (2023.01); H10K 71/00 (2023.01); H10K 77/10 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 59/1213 (2023.02); H10K 71/00 (2023.02); H01L 27/1222 (2013.01); H10K 59/1201 (2023.02); H10K 77/111 (2023.02); H10K 2102/311 (2023.02);
Abstract
A display device includes: a substrate; a semiconductor layer on the substrate, and including a channel of at least one transistor; a first insulating layer on the semiconductor layer; and a gate electrode on the first insulating layer. The semiconductor layer includes polycrystalline silicon, and the channel includes: a first region containing a first impurity; and a second region containing a second impurity different from the first impurity.