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. 30, 2023
Filed:
Jun. 19, 2020
Samsung Display Co., Ltd., Yongin-si, KR;
Yeon Keon Moon, Hwaseong-si, KR;
Tae Sang Kim, Seoul, KR;
Joon Seok Park, Yongin-si, KR;
Myoung Hwa Kim, Seoul, KR;
Hyung Jun Kim, Seoul, KR;
Sang Woo Sohn, Yongin-si, KR;
Hye Lim Choi, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A display device includes: a substrate; a first active layer of a first transistor and a second active layer of a second transistor on the substrate; a first gate insulating layer on the first active layer; a first gate electrode on the first gate insulating layer; a second gate insulating layer on the second active layer; and a second gate electrode on the second gate insulating layer, wherein a hydrogen concentration of the first gate insulating layer is lower than a hydrogen concentration of the second gate insulating layer.