US 11,657,942 B2
Support apparatus and flexible device
Qifeng Zhu, Wuhan (CN); and Qian Xu, Wuhan (CN)
Assigned to Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan (CN)
Filed by Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan (CN)
Filed on Feb. 26, 2021, as Appl. No. 17/186,887.
Claims priority of application No. 202011380884.X (CN), filed on Nov. 30, 2020.
Prior Publication US 2022/0172870 A1, Jun. 2, 2022
Int. Cl. H01F 7/08 (2006.01); H01F 7/06 (2006.01); H01F 7/126 (2006.01)
CPC H01F 7/081 (2013.01) [H01F 7/064 (2013.01); H01F 7/126 (2013.01); H01F 2007/086 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A support apparatus, comprising:
a support substrate;
an electromagnetic support cavity array, which is located on the support substrate and comprises a plurality of electromagnetic support cavities; and
a plurality of magnetic field generation circuits and a control module;
wherein the plurality of magnetic field generation circuits are electrically connected to the control module, and the control module is configured to control the plurality of magnetic field generation circuits to generate magnetic fields to make the plurality of electromagnetic support cavities deform along a direction perpendicular to a plane in which the support substrate is located; and wherein each of the plurality of electromagnetic support cavities comprises an electromagnetic material layer and a magnetic field absorption layer, and the magnetic field absorption layer has a hollow pattern and is located on an inner side wall of the electromagnetic material layer.