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:
Nov. 17, 2020
Filed:
Mar. 29, 2017
Applicant:
Sharp Kabushiki Kaisha, Sakai, JP;
Inventors:
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/12 (2006.01); H01L 29/417 (2006.01); H01L 29/786 (2006.01);
U.S. Cl.
CPC ...
H01L 27/124 (2013.01); H01L 27/1251 (2013.01); H01L 29/41733 (2013.01); H01L 29/78678 (2013.01);
Abstract
A semiconductor device provided in a pixel circuit of a display device includes, in order from a lower side: a substrate; an LTPS layer; a first gate insulating layer; a first metal layer; a first flattened layer; a second gate insulating layer; an oxide semiconductor layer; a second metal layer; a passivation layer; and a third metal layer. The gate electrode layer of an LTPS-TFT and the gate electrode of an oxide semiconductor TFT are formed by the first metal layer.