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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.:

US 10943927 B1

PDFFull Text
Date of Patent:
Mar. 09, 2021

Filed:

Mar. 05, 2020

Array substrate, fabrication method thereof, driving transistor and display panel

Applicants:

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

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

Inventors:

Wenqing Xu, Beijing, CN;

Mingxuan Liu, Beijing, CN;

Jing Wang, Beijing, CN;

Xiaoxiang Zhang, Beijing, CN;

Huibin Guo, Beijing, CN;

Assignees:

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

BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;

Attorney:

Intellectual Valley Law, P.C.

Primary Examiner:

Tan N Tran

Int. Cl.
CPC ...
H01L 27/14 (2006.01); H01L 27/12 (2006.01); H01L 29/786 (2006.01); H01L 29/66 (2006.01); G09G 3/3225 (2016.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 27/1229 (2013.01); G09G 3/3225 (2013.01); H01L 27/124 (2013.01); H01L 27/1237 (2013.01); H01L 27/1285 (2013.01); H01L 27/3276 (2013.01); H01L 29/66757 (2013.01); H01L 29/78675 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0439 (2013.01);
Abstract

An array substrate includes a pixel circuit and a light-emitting diode. The pixel circuit includes a driving transistor including a first active medium made of polysilicon, and a switching transistor including a second active medium made of polysilicon. The first active medium has a first grain size. The second active medium has a second grain size larger than the first grain size. The light-emitting diode is coupled to the pixel circuit.

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