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:
Mar. 08, 2022
Filed:
May. 18, 2020
Samsung Display Co., Ltd., Yongin-si, KR;
Joon Seok Park, Yongin-si, KR;
Myoung Hwa Kim, Seoul, KR;
Tae Sang Kim, Seoul, KR;
Hyung Jun Kim, Seoul, KR;
Yeon Keon Moon, Hwaseong-si, KR;
Geun Chul Park, Suwon-si, KR;
Sang Woo Sohn, Yongin-si, KR;
Jun Hyung Lim, Seoul, KR;
Kyung Jin Jeon, Incheon, KR;
Hye Lim Choi, Yongin-si, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Abstract
A display device includes a substrate, a buffer layer disposed on the substrate, a first semiconductor layer disposed on the buffer layer and including an oxide semiconductor and a first active layer, a first gate insulating layer disposed on the first semiconductor layer and the buffer layer, a second semiconductor layer disposed on the first gate insulating layer and including an oxide semiconductor, a second active layer, and a first oxide layer on the first active layer, a second gate insulating layer disposed on the second semiconductor layer, a first conductive layer disposed on the second gate insulating layer, an insulating layer disposed on the first conductive layer, a second conductive layer disposed on the insulating layer, a passivation layer disposed on the second conductive layer, and a third conductive layer disposed on the first passivation layer.