Built-in antenna which supports broadband impedance matching and has feeding patch coupled to substrate
First Claim
1. An internal antenna providing impedance matching for a wide band, the antenna comprising:
- a substrate;
an impedance matching/feeding unit comprising a feeding patch and a ground patch, the feeding patch formed on the substrate and electrically connected to a feeding point, the ground patch electrically connected to a ground and formed above the feeding patch separated at a designated distance from the feeding patch;
a radiator extending from the ground patch; and
a carrier having the ground patch and the radiator joined and secured thereto,wherein the impedance matching/feeding unit performs impedance matching by way of coupling between the feeding patch and the ground patch, coupling feeding is provided to the radiator from the feeding patch, andwherein a ground patch joining part for joining with the ground patch is formed on a portion of a lower part of the carrier, and the ground patch joining part is separated at a designated distance from the substrate.
1 Assignment
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Accused Products
Abstract
Disclosed is an internal antenna providing impedance matching for a wide band where a feeding patch is placed on a substrate. The disclosed antenna may include: a substrate; an impedance matching/feeding unit including a feeding patch, which is formed on the substrate and electrically connected to a feeding point, and a ground patch, which is electrically connected to a ground and formed above the feeding patch separated at a designated distance from the feeding patch; and a radiator formed extending from the ground patch, where the impedance matching/feeding unit performs impedance matching by way of coupling between the feeding patch and the ground patch, and the radiator receives coupling feeding from the feeding patch. The disclosed antenna has the advantages of overcoming the narrow band problem of a planar inverted-F antenna, and of allowing more efficient utilization of space in an internal antenna for a wide band using coupling matching and coupling feeding.
10 Citations
9 Claims
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1. An internal antenna providing impedance matching for a wide band, the antenna comprising:
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a substrate; an impedance matching/feeding unit comprising a feeding patch and a ground patch, the feeding patch formed on the substrate and electrically connected to a feeding point, the ground patch electrically connected to a ground and formed above the feeding patch separated at a designated distance from the feeding patch; a radiator extending from the ground patch; and a carrier having the ground patch and the radiator joined and secured thereto, wherein the impedance matching/feeding unit performs impedance matching by way of coupling between the feeding patch and the ground patch, coupling feeding is provided to the radiator from the feeding patch, and wherein a ground patch joining part for joining with the ground patch is formed on a portion of a lower part of the carrier, and the ground patch joining part is separated at a designated distance from the substrate. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An internal antenna providing impedance matching for a wide band, the antenna comprising:
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a substrate; a carrier joined to the substrate and having a portion of a lower part thereof separated at a designated distance from the substrate; a feeding patch formed on the substrate and electrically connected to a feeding point; a ground patch joined to the portion of the lower part of the carrier separated at a designated distance from the substrate and formed above the feeding patch; and a radiator extending from the ground patch and formed on a side part and a flat upper part of the carrier. - View Dependent Claims (8, 9)
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Specification