Coil for cordless charging and cordless charging apparatus using the same

A wireless charging and coil technology, applied in battery circuit devices, circuit devices, coils, etc., can solve problems such as increased coil thickness

Active Publication Date: 2014-07-09
WITS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the thickness of the prior art coil disadvantageously increases as much as the solder balls due to soldering

Method used

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  • Coil for cordless charging and cordless charging apparatus using the same
  • Coil for cordless charging and cordless charging apparatus using the same
  • Coil for cordless charging and cordless charging apparatus using the same

Examples

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Embodiment Construction

[0044] Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the shapes and dimensions of elements may be exaggerated for clarity, and the same reference numerals will be used throughout to designate the same or like elements.

[0045] figure 1 is a perspective view schematically showing an electronic device and a wireless charging device according to an embodiment of the present invention, figure 2 is along figure 1 A cross-sectional view taken along line A-A' in .

[0046] refer to figure 1 and figure 2 , the electronic device 10 according to an embodiment of the present invention may ...

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Abstract

There are provided a coil for cordless charging, which may be formed as a thin coil in spite of the presence of a plurality of coils included therein, and a cordless charging apparatus using the same. The cordless charging apparatus includes: a coil unit including coil substrates having a coil pattern and a connection substrate having one end interposed between the coil substrates and electrically connected to the coil pattern and the other end electrically connected to the outside; and a case accommodating the coil unit therein.

Description

[0001] This application claims priority from Korean Patent Application No. 10-2012-0155770 filed with the Korean Intellectual Property Office on December 28, 2012, the disclosure of which is hereby incorporated by reference. technical field [0002] The present invention relates to a coil for wireless charging and a wireless charging device using the coil, and more particularly, to such a coil for wireless charging and a wireless charging device using the coil despite the presence of multiple coils, but the coil for wireless charging may be formed as a thin coil. Background technique [0003] Generally, portable electronic devices such as mobile communication terminals, personal digital assistants (PDAs), etc. include rechargeable secondary batteries. [0004] In order to charge a battery of a portable electronic device, a charging device is required to supply power to the battery by using commercial household power. [0005] Usually, the charging device and the battery res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J17/00H01F38/14H02J7/00
CPCH01F38/14H04B5/0037H04B5/0081H01F5/04H01F27/2804H01F27/2871H01F27/29H02J50/10H02J50/005H01F27/323H02J7/0044H02J50/70H01F5/00
Inventor 韩昌穆南炫吉成宰硕赵亨旭张基源朴星钦赵圣恩全大成
Owner WITS CO LTD
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