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.

Date of Patent:
Apr. 23, 2019

Filed:

Jan. 25, 2017
Applicants:

Boe Technology Group Co., Ltd., Beijing, CN;

Beijing Boe Display Technology Co., Ltd., Beijing, CN;

Inventors:

Jinchao Bai, Beijing, CN;

Huibin Guo, Beijing, CN;

Xiangqian Ding, Beijing, CN;

Jing Wang, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/12 (2006.01); H01L 29/786 (2006.01); H01L 21/223 (2006.01); H01L 29/66 (2006.01); H01L 29/417 (2006.01);
U.S. Cl.
CPC ...
H01L 29/78696 (2013.01); H01L 21/223 (2013.01); H01L 27/124 (2013.01); H01L 27/1229 (2013.01); H01L 27/1288 (2013.01); H01L 29/41733 (2013.01); H01L 29/66765 (2013.01); H01L 29/78618 (2013.01); H01L 29/78669 (2013.01); H01L 29/78678 (2013.01);
Abstract

The present application discloses A thin film transistor (TFT), including: a substrate; a source-drain layer comprising a source electrode and a drain electrode over the substrate; and an active layer comprising a poly-Si pattern and an amorphous-Si pattern having contact with the poly-Si pattern over the substrate. The amorphous-Si pattern is between the poly-Si pattern and the source-drain layer; the source electrode overlaps with the poly-Si pattern and the amorphous-Si pattern respectively in a direction substantially perpendicular to a surface of the substrate; and the drain electrode overlaps with the poly-Si pattern and the amorphous-Si pattern respectively in the direction substantially perpendicular to the surface of the substrate.


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