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. 08, 2025

Filed:

Dec. 14, 2020
Applicant:

Shenzhen Guangyi Tech Co., Ltd., Shenzhen, CN;

Inventors:

Chaoyue Cao, Shenzhen, CN;

Jiazhi He, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/163 (2006.01); G09G 3/19 (2006.01);
U.S. Cl.
CPC ...
G02F 1/163 (2013.01); G09G 3/19 (2013.01); G09G 2330/12 (2013.01);
Abstract

A control method for the an electrochromic device includes: determining whether a current transmittance of the electrochromic device reaches a preset transmittance; when determining that the current transmittance does not reach the preset transmittance, controlling an external power supply to perform a first mode charging and discharging on the electrochromic device until the current transmittance reaches the preset transmittance; when determining that the current transmittance reaches the preset transmittance, suspending the charging and discharging, and continuously monitoring whether a current open circuit potential of the electrochromic device is within a preset open circuit potential threshold range; and if the current open circuit potential is not within the preset open circuit potential threshold range, controlling the external power supply to perform a second mode charging and discharging on the electrochromic device to enable the current open circuit potential to be continuously within the preset open circuit potential threshold range.


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