Title:
VOICE COIL PLATE HAVING MULTI-PATTERNED COIL, AND FLAT PANEL SPEAKER COMPRISING VOICE COIL PLATE HAVING MULTI-LAYERED STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2020/046039
Kind Code:
A3
Abstract:
The present invention relates to a voice coil plate and a flat panel speaker, and more specifically, to: a voice coil plate having a multi-patterned coil for a slim speaker, the voice coil plate enabling weight reduction, impedance value reduction and inductance value enhancement; and a slim and flat speaker enabling weight reduction, impedance value reduction and inductance value enhancement. The voice coil plate having a multi-patterned coil for a slim speaker, according to one embodiment of the present invention, comprises: a base substrate; and a voice coil formed on one surface of the base substrate. The voice coil comprises: a first pattern part arranged along a first direction; and a second pattern part arranged along a second direction different from the first direction. The first pattern part comprises a plurality of first patterns spaced apart at predetermined intervals, and the second pattern part comprises a plurality of second patterns spaced apart at predetermined intervals. At least two of the second patterns, among the plurality of second patterns, are connected in parallel to one of the first patterns.
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Inventors:
LEEM SUNG JIN (KR)
Application Number:
PCT/KR2019/011134
Publication Date:
May 14, 2020
Filing Date:
August 30, 2019
Export Citation:
Assignee:
LEEM SUNG JIN (KR)
International Classes:
H04R9/04; H05K1/16
Foreign References:
| KR101147904B1 | 2012-05-24 | |||
| KR20170006126A | 2017-01-17 | |||
| KR20160128254A | 2016-11-07 | |||
| KR20110135468A | 2011-12-19 | |||
| KR20120000608A | 2012-01-04 |
Attorney, Agent or Firm:
PARK, Yang Ho (KR)
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