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公开(公告)号：US20230420852A1
公开(公告)日：2023-12-28
申请号：US18210135
申请日：2023-06-15
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Won Hee LEE , Young Ju KIM
CPC classification number: H01Q9/0428 , H01Q21/24 , G01S13/58 , H01Q1/243
Abstract: An antenna structure includes a first radiator, a second radiator, a third radiator and a fourth radiator. The first radiator and the second radiator are arranged along a first direction, and the second radiator and the third radiator are arranged along a second direction perpendicular to the first direction. The first radiator, the second radiator and the third radiator are circularly polarized radiators in the same rotational direction, and the fourth radiator is a circularly polarized radiator in a rotational direction opposite to that of the first radiator, the second radiator and the third radiator.
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公开(公告)号：US20230058014A1
公开(公告)日：2023-02-23
申请号：US17981580
申请日：2022-11-07
Inventor： Byung Jin CHOI , Ho Dong YOON , Won Hee LEE , Won Bin HONG
Abstract: An antenna package according to an embodiment includes an antenna unit, and a circuit board electrically connected to the antenna unit. The circuit board may include a core layer, a signal transmission wiring disposed on one surface of the core layer, the signal transmission wiring having one end portion connected to the antenna unit, a ground layer disposed on an opposite surface facing the one surface of the core layer, and a first via structure formed through the core layer and arranged around the one end portion of the signa transmission wiring to be in contact with the ground layer.
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公开(公告)号：US20230006339A1
公开(公告)日：2023-01-05
申请号：US17857425
申请日：2022-07-05
Applicant: DONGWOO FINE-CHEM CO., LTD. , KREEMO INC.
Inventor： Won Hee LEE , Dong Pil PARK , Young Sub SON , In Seok JANG , Beak Jun SEONG , Jung Woo LEE , Seong Tae JEONG , In Kyung HONG , John Joonho PARK
Abstract: An antenna structure according to an embodiment of the present disclosure includes a dielectric layer and a plurality of antenna units arranged on a top surface of the dielectric layer. Each of the plurality of antenna units includes a radiator, a first transmission line and a second transmission line extending in different directions to be connected to the radiator, an upper parasitic element adjacent to an upper portion of the radiator, and a lower parasitic element adjacent to a lower portion of the radiator.
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公开(公告)号：US20230006334A1
公开(公告)日：2023-01-05
申请号：US17857488
申请日：2022-07-05
Applicant: DONGWOO FINE-CHEM CO., LTD. , KREEMO INC.
Inventor： Won Hee LEE , Dong Pil PARK , Young Sub SON , In Seok JANG , Beak Jun SEONG , Jung Woo LEE , Seong Tae JEONG , In Kyung HONG , John Joonho PARK
Abstract: An antenna structure according to an embodiment of the present disclosure includes a dielectric layer, and an antenna unit disposed on a top surface of the dielectric layer. The antenna unit includes a radiator including convex portions and concave portions, a transmission line including a first transmission line and a second transmission line that extend in different directions to be connected to the radiator, and a parasitic element disposed to be adjacent to the transmission line and electrically and physically separated from the transmission line and the radiator. A length of the parasitic element in an extension direction of the transmission line is from 45% to 70% of a half wavelength (λ/2) at a maximum resonance frequency from the antenna unit.
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公开(公告)号：US20220158328A1
公开(公告)日：2022-05-19
申请号：US17525016
申请日：2021-11-12
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Na Yeon KIM , Young Ju KIM , Won Hee LEE
Abstract: An antenna package according to an embodiment of the present disclosure includes an antenna device including an antenna unit, and a flexible circuit board electrically connected to the antenna unit. The flexible circuit board has a bending area. The flexible circuit board includes a core layer having a first surface and a second surface facing each other, a signal wiring disposed on the first surface of the core layer and electrically connected to the antenna unit, a ground line disposed on the first surface of the core layer to be spaced apart from the signal wiring, a ground layer disposed on the second surface of the core layer, and a via structure penetrating a portion of the core layer in a region excluding the bending area and connecting the ground line and the ground layer with each other.
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Patent Agency Ranking
公开(公告)号：US20220140482A1
公开(公告)日：2022-05-05
申请号：US17518780
申请日：2021-11-04
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Won Hee LEE , Jae Hyun LEE , Byung Jin CHOI
Abstract: An antenna element according to an embodiment includes a radiation body formed in a mesh structure, a first transmission line and a second transmission line connected to the radiation body and formed in a mesh structure, and a first signal pad and a second signal pad which are respectively connected to the first transmission line and the second transmission line and are formed in a bent shape with a solid structure.
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公开(公告)号：US20220137741A1
公开(公告)日：2022-05-05
申请号：US17577784
申请日：2022-01-18
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Byung Jin CHOI , Dong Pil PARK , Won Hee LEE
Abstract: An electrode structure combined with an antenna according to an embodiment of the present disclosure includes a substrate layer, sensing electrodes, a bridge electrode and an antenna unit. The sensing electrodes are arranged on the substrate layer, and include first sensing electrodes arranged along a first direction parallel to a top surface of the substrate layer, and second sensing electrodes arranged along a second direction parallel to the top surface of the substrate layer and intersecting the first direction. The bridge electrode connects the first sensing electrodes neighboring in the first direction. The antenna unit is disposed at the same layer as that of the bridge electrode, and includes a radiator overlapping the sensing electrodes in a planar view.
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公开(公告)号：US20230411852A1
公开(公告)日：2023-12-21
申请号：US18206764
申请日：2023-06-07
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Young Ju KIM , Gi Taek OH , Won Hee LEE , Eun Hyun CHO
CPC classification number: H01Q9/0407 , H01Q21/08 , H01Q1/243
Abstract: An antenna device may include a substrate layer including a radiation region and a bonding region, an antenna unit including a radiator disposed on the radiation region of the substrate layer, and a transmission line disposed on the substrate layer and connected to the radiator, and a dummy bonding pad disposed on the bonding region of the substrate layer and physically spaced apart from the radiator in a width direction.
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公开(公告)号：US20230097532A1
公开(公告)日：2023-03-30
申请号：US18077320
申请日：2022-12-08
Inventor： Jae Hyun LEE , Dong Pil PARK , Won Hee LEE , Hee Jun PARK , Won Bin HONG
Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, a first radiator disposed on the dielectric layer in a first direction, a second radiator formed in a shape different from that of the first radiator and disposed on the dielectric layer in a second direction, a first transmission line which extends in the first direction to be connected to the first radiator, and a second transmission line which extends in the second direction to be connected to the second radiator, and intersects the first transmission line with being physically or electrically spaced apart therefrom.
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公开(公告)号：US20230035171A1
公开(公告)日：2023-02-02
申请号：US17873254
申请日：2022-07-26
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Hee Jun PARK , Young Ju KIM , Won Hee LEE , Sung Jin HAN
Abstract: An antenna structure according to an embodiment of the present disclosure includes a transmission line, and a radiator connected to the transmission line, the radiator having a linear perimeter region and a plurality of curved perimeter regions separated by the linear perimeter region, wherein an outermost portion of the radiator from the transmission line in a planar view has any one of the curved peripheral regions. A broadband antenna structure covering low frequency and high frequency bands is provided.
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