US 12,487,484 B2
Device and method for amplitude and frequency based regulation of a glass functional layer
Siteng Ma, Shanghai (CN)
Assigned to SAINT-GOBAIN SEKURIT FRANCE, Thourotte (FR)
Appl. No. 17/779,417
Filed by SAINT-GOBAIN GLASS FRANCE, Courbevoie (FR)
PCT Filed Nov. 25, 2020, PCT No. PCT/CN2020/131523
§ 371(c)(1), (2) Date May 24, 2022,
PCT Pub. No. WO2021/104313, PCT Pub. Date Jun. 3, 2021.
Claims priority of application No. 201911185264.8 (CN), filed on Nov. 27, 2019.
Prior Publication US 2023/0004030 A1, Jan. 5, 2023
Int. Cl. G02F 1/1334 (2006.01); G02F 1/133 (2006.01); G02F 1/137 (2006.01); G02F 1/163 (2006.01); G05F 1/46 (2006.01); H02M 7/5387 (2007.01)
CPC G02F 1/1334 (2013.01) [G02F 1/13306 (2013.01); G02F 1/137 (2013.01); G02F 1/163 (2013.01); G05F 1/46 (2013.01); H02M 7/5387 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A regulating device for regulating an electric control functional layer, comprising:
a voltage regulator configured to receive an input voltage and to regulate an amplitude and a frequency of the input voltage to generate an electrical signal acting on the electric control functional layer, wherein the voltage regulator comprises:
a frequency regulating unit configured to regulate the frequency of the input voltage according to the frequency parameter to generate a regulated first intermediate voltage; and
an amplitude regulating unit coupled to the frequency regulating unit and the electric control functional layer and configured to regulate an amplitude of the first intermediate voltage according to the amplitude parameter to generate the electric signal; and
a controller coupled to the voltage regulator and configured to receive a regulating signal, and to send a control signal to the voltage regulator according to the regulating signal to regulate the amplitude and the frequency of the input voltage, the control signal comprising an amplitude parameter and a frequency parameter of the voltage, wherein the controller is configured to provide the control signal to provide a target amplitude parameter and a target frequency parameter, wherein the target frequency parameter is selected to adjust a transition rate of change of an optical characteristic of the electric control functional layer produced by the target amplitude parameter.