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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：US20220312594A1
公开(公告)日：2022-09-29
申请号：US17838374
申请日：2022-06-13
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Dong Pil PARK , Byung Jin CHOI , Na Yeon KIM
Abstract: A printed circuit board according to an embodiment of the present invention includes a core layer and a circuit wiring layer disposed on a top surface of the core layer. The core layer is spaced apart from the circuit wiring layer and includes through-holes formed around the circuit wiring layer. Flexibility of the printed circuit board may be enhanced by the through-hole to obtain bending stability.
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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：US20220131279A1
公开(公告)日：2022-04-28
申请号：US17508055
申请日：2021-10-22
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Young Ju KIM , Dong Pil PARK , Byung Jin CHOI , Han Sub RYU , Ho Dong YOON
Abstract: An antenna package according to an exemplary embodiment of the present invention includes a first antenna device which includes a first antenna unit including a first radiator, a second antenna device which includes a second antenna unit including a second radiator whose polarization direction is perpendicular to the first radiator, a first circuit board electrically connected with the first antenna unit, a second circuit board electrically connected with the second antenna unit, and a third circuit board on which at least one antenna driving integrated circuit (IC) chip electrically and independently connected to the first circuit board and the second circuit board is mounted. By supplying power to two antenna devices having different polarization directions, respectively, signal interference and signal loss may be prevented, and dual polarization may be implemented.
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Patent Agency Ranking
公开(公告)号：US20220037789A1
公开(公告)日：2022-02-03
申请号：US17500260
申请日：2021-10-13
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Jong Min KIM , Dong Pil PARK , Young Jun LEE
Abstract: An antenna package according to an embodiment of the present invention includes a printed circuit board, a rear antenna unit disposed at an upper portion of the printed circuit board. The rear antenna unit may be directly mounted on the printed circuit board or integrated with the printed circuit board, and a front antenna unit disposed at a bottom side of the printed circuit board and electrically connected to the printed circuit board. The rear antenna unit and the front antenna unit are packaged using the printed circuit board to improve a radiation coverage and reliability.
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公开(公告)号：US20200227835A1
公开(公告)日：2020-07-16
申请号：US16827967
申请日：2020-03-24
Inventor： Jong Min KIM , Dong Pil PARK , Yun Seok OH , Won Bin HONG
Abstract: An antenna structure includes an antenna device including a dielectric layer and a plurality of radiation patterns on an upper surface of the dielectric layer, and a flexible circuit board including a feeding wiring electrically connected to the radiation patterns. The feeding wiring includes a plurality of individual wirings, each of which electrically connected to each of the radiation patterns, and lengths of neighboring individual wirings included in at least one pair from the plurality of individual wirings are different from each other.
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公开(公告)号：US20170277291A1
公开(公告)日：2017-09-28
申请号：US15511074
申请日：2015-09-22
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Jaehyun LEE , Byung Jin CHOI , Dong Pil PARK , Yong Won SEO , Byung Hoon SONG
CPC classification number: G06F3/041 , G02B5/3016 , G02B5/3083 , G02F1/13338 , G02F1/133528 , G02F1/13363 , G06F3/044 , G06F2203/04102 , G06F2203/04103
Abstract: The present invention relates to a touch sensing electrode with a polarizing plate, a display device comprising the same, and a method for fabricating the same.The touch sensing electrode with a polarizing plate according to the present invention comprises a touch sensing electrode capable of being folded and unfolded on its folding axis; a retardation film disposed on the touch sensing electrode and having a slow axis that forms an inclined angle with the folding axis; and a polarizing plate disposed on the retardation film.
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公开(公告)号：US20230387577A1
公开(公告)日：2023-11-30
申请号：US18200792
申请日：2023-05-23
Applicant: DONGWOO FINE-CHEM CO., LTD.
Inventor： Won Hee LEE , Dong Pil PARK
CPC classification number: H01Q1/36 , H01Q21/0087 , H01Q3/005 , H01Q1/22
Abstract: An antenna structure according to an embodiment includes a first radiation including a first radiator, a second radiation unit including a second radiator, and a third radiation unit including a third radiator. At least one of the first radiator, the second radiator and the third radiator includes a plurality of radiators coupled to each other in an array form. A first axis extending between a central point of the first radiator and a central point of the second radiator, and a second axis extending between the central point of the second radiator and a central point of the third radiator are perpendicular to each other.
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公开(公告)号：US20230217584A1
公开(公告)日：2023-07-06
申请号：US18122829
申请日：2023-03-17
Inventor： Byung Jin CHOI , Na Yeon KIM , Dong Pil PARK , Won Bin HONG
CPC classification number: H05K1/0253 , H01Q1/243 , H01Q5/357 , H05K1/0298
Abstract: A circuit board according to an embodiment includes a first substrate including an antenna feeder line formed thereon to connect an antenna driving unit and an antenna, a second substrate including a data line formed thereon to transmit data processed in the antenna driving unit to an electronic component, and a third substrate which is disposed between the first substrate and the second substrate, and includes a power supply line formed thereon to supply a power to the antenna driving unit.
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