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US 12,200,831 B2Granted
Heating film
AssigneesHyundai Motor Company, Kia Corporation, Kwang Jin Wintec Co., Ltd., Seoyon E-Hwa Co., Ltd., Interflex Corporation
InventorsSo La Chung, Hyeon Kyu Yang, Man Ju Oh, Ho Cheol Choi, Seung Joon Lee, Jin Keum
Life of this patent
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Abstract
A heating film may include a base layer made of polymer resin, a plurality of electrode lines spaced from each other and disposed on the base layer, a mesh-type support layer disposed between the electrode lines and made of a thermally conductive material, and a heating layer that has first and second end portions connected to the respective electrode lines, is made of a carbon composite material, and generates heat when powered.
Claims15
A heating film comprising:
- a base layer made of polymer resin;
- a plurality of electrode lines spaced from each other and disposed on the base layer;
- a support layer disposed between the plurality of electrode lines and made of a thermally conductive material;
- and
- a heating layer having a first end portion and a second end portion connected to a corresponding electrode among the plurality of electrode lines, respectively, the heating layer being made of a carbon composite material and being configured to generate heat when electric current is supplied to the heating layer,
- wherein the support layer is formed of a plurality of mesh holes,
- wherein the support layer includes a first portion and a second portion,
- wherein the first portion has a mesh hole larger than a mesh hole of the second portion, and
- wherein the first portion is disposed under the heating layer.
6 more elements
Dependencies are inferred from the claim text.