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:
Jul. 21, 2020

Filed:

Feb. 27, 2018
Applicants:

Chongqing Boe Optoelectronics Technology Co., Ltd., Chongqing, CN;

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

Inventors:

Keke Gu, Beijing, CN;

Ni Yang, Beijing, CN;

Hui Li, Beijing, CN;

Xin Liu, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/786 (2006.01); H01L 27/12 (2006.01); H01L 29/08 (2006.01); H01L 29/417 (2006.01); H01L 29/423 (2006.01); H01L 29/66 (2006.01);
U.S. Cl.
CPC ...
H01L 29/78618 (2013.01); H01L 27/1214 (2013.01); H01L 29/0847 (2013.01); H01L 29/41733 (2013.01); H01L 29/42384 (2013.01); H01L 29/66765 (2013.01);
Abstract

A thin film transistor includes a gate, an active layer, a source, a drain. The source includes a connecting portion, a first sub-portion, a second sub-portion, and a third sub-portion that are arranged sequentially and in parallel. At first ends of the sub-portions, the connecting portion is connected to the portions to form two adjacent recesses. At second ends of the sub-portions, the distance from an end of the second sub-portion to the connecting portion is smaller than a distance from an end of the first sub-portion to the connecting portion and a distance from an end of the third sub-portion to the connecting portion. The drain includes a connecting block, a first drain and a second drain disposed in the two recesses respectively, and at least a portion of the connecting block is disposed between the first and the second drains to connect the first and the second drains.


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