Title:
MAGNETIC ISOLATION SHEET, COIL MODULE, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/055812
Kind Code:
A1
Abstract:
Embodiments of the present application are applicable to the field of wireless charging, and relate to a magnetic isolation sheet, a coil module, and an electronic device. The magnetic isolation sheet is applied to a coil module in a wireless charging device. The magnetic isolation sheet comprise a first nanocrystalline layer; the first nanocrystalline layer comprises a first region in the shape of a non-closed ring; the material of the first region is a nanocrystalline that is not subjected to magnetic crushing treatment; since the first region is in the shape of the non-closed ring, that is, the first region is provided with a notch passing through the first region, by means of the notch, the change in magnetic flux when magnetic force lines in a magnetic field pass through the nanocrystalline can be avoided, and the heating of a nanocrystalline material during wireless charging is avoided. In addition, the material of the first region is the nanocrystalline that is not subjected to magnetic crushing treatment, so that the charging efficiency of a wireless charging device to which the magnetic isolation sheet is applied is not reduced. Hence, the magnetic isolation sheet provided by the embodiments of the present application can improve the wireless charging efficiency while avoiding the heating of the nanocrystalline during wireless charging.
Inventors:
HUANG HUA (CN)
SONG JIAXIANG (CN)
ZHAO XIN (CN)
ZHANG ANLE (CN)
SONG JIAXIANG (CN)
ZHAO XIN (CN)
ZHANG ANLE (CN)
Application Number:
PCT/CN2023/113759
Publication Date:
March 21, 2024
Filing Date:
August 18, 2023
Export Citation:
Assignee:
HONOR DEVICE CO LTD (CN)
International Classes:
H01F27/245
Foreign References:
| CN110767434A | 2020-02-07 | |||
| CN111883352A | 2020-11-03 | |||
| CN112467824A | 2021-03-09 | |||
| US20200105465A1 | 2020-04-02 |
Attorney, Agent or Firm:
SHENZHEN ZHONGYI UNION INTELLECTUAL PROPERTY AGENCY CO.,LTD. (CN)
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