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:
Sep. 25, 2018
Filed:
Aug. 28, 2015
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Saeroonter Oh, Seoul, KR;
Kwanghwan Ji, Seoul, KR;
Hyunsoo Shin, Gyeonggi-do, KR;
Jeyong Jeon, Gyeonggi-do, KR;
Dohyung Lee, Seoul, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/10 (2006.01); H01L 27/12 (2006.01); H01L 29/786 (2006.01); H01L 27/32 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 27/1222 (2013.01); H01L 27/124 (2013.01); H01L 27/1218 (2013.01); H01L 27/1251 (2013.01); H01L 27/1255 (2013.01); H01L 27/3262 (2013.01); H01L 27/3272 (2013.01); H01L 29/7869 (2013.01); H01L 29/78633 (2013.01); H01L 29/78672 (2013.01); H01L 27/322 (2013.01); H01L 27/3265 (2013.01); H01L 27/3276 (2013.01); H01L 51/5209 (2013.01); H01L 51/5225 (2013.01);
Abstract
A thin film transistor (TFT) substrate and a display device using the same are disclosed. The TFT substrate includes a base substrate, a first TFT having a polycrystalline semiconductor and disposed on the base substrate, and a second TFT having an oxide semiconductor and disposed on the first TFT. The second TFT overlaps at least a portion of the first TFT in a plan view.