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:
Apr. 23, 2024
Filed:
May. 28, 2021
Applicant:
Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;
Inventor:
Zheng Wang, Beijing, CN;
Assignee:
BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); B23P 15/00 (2006.01); C21D 8/02 (2006.01); C22F 1/047 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0081 (2013.01); B23P 15/00 (2013.01); C21D 8/02 (2013.01); C22F 1/047 (2013.01);
Abstract
The present disclosure provides a metal back plate and a manufacturing process thereof, a backlight module and an electronic device. The metal back plate is used for the backlight module. The metal back plate includes a first area and a second area. The grain size of the metal material in the first area is larger than the grain size of the metal material in the second area. The first area is formed with a first opening.