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US 9,960,630 B2Granted
Wireless power charging device
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsJae Hyuk Jang, Hyun Jung Lee, Yeong Hwan Song
Life of this patent
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Abstract
A wireless power charging device includes a coil configured to transmit or receive a wireless power signal; an electromagnetic wave shielding sheet disposed proximate the coil; and, a heat radiation layer disposed on the electromagnetic wave shielding sheet.
Claims15
A wireless power charging device, comprising:
- a coil configured to transmit or receive a wireless power signal;
- an electromagnetic wave shielding sheet disposed proximate the coil;
- and
- a heat radiation layer disposed between the electromagnetic wave shielding sheet and the coil, wherein the heat radiation layer and the coil are embedded within a first and second adhesive layer, respectively,
- wherein the coil comprises upper and lower covers and a coil pattern disposed between the upper and lower covers,
- wherein the heat radiation layer has a shape substantially corresponding to the coil pattern, and
- wherein the heat radiation layer comprises graphene.
4 more elements
A wireless power charging device, comprising:
- a resonance coil configured to transmit or receive a wireless power signal;
- an electromagnetic wave shielding sheet disposed substantially normal to and on an opposing side of an ingress or egress side of the wireless power signal at the resonance coil;
- and,
- a heat radiation layer disposed between the resonance coil and the electromagnetic wave shielding sheet, the heat radiation layer being configured to thermally conduct heat away from the resonance coil and the electromagnetic wave shielding sheet, wherein the heat radiation layer and the resonance coil are embedded within a first and second adhesive layer, respectively,
- wherein the resonance coil comprises upper and lower covers and a coil pattern disposed between the upper and lower covers,
- wherein the heat radiation layer has a shape substantially corresponding to the coil pattern, and
- wherein the heat radiation layer comprises graphene.
4 more elements
A method of forming a power charging device, comprising:
- forming a conductive coil pattern;
- forming a heat radiation layer on the conductive coil pattern;
- embedding the heat radiation layer and the conductive coil pattern within a first and second adhesive layer, respectively;
- and
- adjoining the conductive coil pattern with an electromagnetic wave shielding sheet so as to capture the heat radiation layer therebetween,
- wherein the heat radiation layer has a shape substantially corresponding to the coil pattern, and
- wherein the heat radiation layer comprises graphene.
4 more elements
Dependencies are inferred from the claim text.