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. 21, 2023
Filed:
Jan. 28, 2021
Samsung Display Co., Ltd., Yongin-si, KR;
Tetsuhiro Tanaka, Hwaseong-si, KR;
Yeong-Gyu Kim, Seoul, KR;
Tae Sik Kim, Hanam-si, KR;
Hee Yeon Kim, Daegu, KR;
Ki Seong Seo, Seoul, KR;
Seung Hyun Lee, Asan-si, KR;
Kyeong Woo Jang, Seoul, KR;
Sug Woo Jung, Hwaseong-si, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Abstract
A display device includes a first thin film transistor disposed on a substrate. A first insulating interlayer covers the first thin film transistor. An active pattern is disposed on the first insulating interlayer. The active pattern includes indium-gallium-zinc oxide (IGZO) having a thickness in a range of about 150 Å to about 400 Å. A gate insulation layer covers the active pattern. A gate pattern is disposed on the gate insulation layer. A second insulating interlayer covers the gate pattern.