公开(公告)号：US20230231298A1

公开(公告)日：2023-07-20

申请号：US18122868

申请日：2023-03-17

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Byung Jin CHOI ,  Han Sub RYU ,  Dong Pil PARK

IPC: H01Q1/24 ,  H01Q1/50 ,  H01R24/60

CPC classification number: H01Q1/243 ,  H01Q1/50 ,  H01R24/60

Abstract: An antenna package according to an embodiment includes an antenna device comprising an antenna unit, and a connector electrically connected to the antenna unit. The connector includes an insulator having a dielectric constant from 2 to 3.5 and a loss tangent from 0.0015 to 0.007 measured by a resonance method at 10 GHz, and a conductive connection structure insulated by the insulator and electrically connected to the antenna unit.

公开(公告)号：US20230216178A1

公开(公告)日：2023-07-06

申请号：US18098317

申请日：2023-01-18

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Byung Jin CHOI ,  In Kak SONG ,  So Eun JANG

IPC: H01Q1/24 ,  H01Q1/38 ,  H01Q1/50

CPC classification number: H01Q1/243 ,  H01Q1/38 ,  H01Q1/50

Abstract: An antenna device according to an aspect includes a dielectric layer, a radiator formed on the dielectric layer, and a transmission line connected to the radiator on the dielectric layer and formed in a mesh structure which is a set of unit cells defined by a plurality of conductive lines. A width of the transmission line may be an integer multiple of the width of the unit cell, and may be within an allowable error range.

公开(公告)号：US20230070750A1

公开(公告)日：2023-03-09

申请号：US17986075

申请日：2022-11-14

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Han Sub RYU ,  Dong Pil PARK ,  Byung Jin CHOI

IPC: G01R29/08 ,  G01R29/10

Abstract: An apparatus for inspecting an antenna includes a stage including a ground on which an antenna device is disposed, an inspection board configured to be in contact with and connected to the antenna device, a connection maintaining unit for maintaining a contact and connection between the antenna device and the inspection board, and an inspection unit mounted or connected to the inspection board to inspect the antenna device.

公开(公告)号：US20230027303A1

公开(公告)日：2023-01-26

申请号：US17956025

申请日：2022-09-29

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Byung Jin CHOI ,  Won Hee LEE ,  Jae Hyun LEE

IPC: H01Q1/22 ,  H01Q1/38 ,  H01Q13/08 ,  H01Q1/24

Abstract: An antenna package according to an embodiment includes a plurality of antenna units including first antenna units and second antenna units, a circuit board electrically connected to the antenna units. The circuit board includes a core layer including a first surface and a second surface facing each other, a first circuit wiring disposed on the first surface of the core layer and electrically connected to the first antenna units, and a second circuit wiring distributed on the first and second surfaces of the core layer and electrically connected to the second antenna units. Antenna units of different resonance frequencies can be efficiently included in the package using the circuit wiring design.

公开(公告)号：US20220302573A1

公开(公告)日：2022-09-22

申请号：US17838660

申请日：2022-06-13

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Byung Jin CHOI ,  Won Hee LEE ,  Jae Hyun LEE

IPC: H01Q1/22 ,  H01Q1/42

Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, and a plurality of a first antenna unit and a plurality of a second antenna unit alternately and repeatedly disposed on a top surface of the dielectric layer. The first antenna unit and the second antenna unit have different lengths or areas from each other.

公开(公告)号：US20220263276A1

公开(公告)日：2022-08-18

申请号：US17673048

申请日：2022-02-16

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Young Ju KIM ,  Byung Jin CHOI ,  Han Sub RYU ,  Na Yeon KIM ,  Dong Pil PARK ,  Jae Hyun LEE

IPC: H01R13/6585 ,  H01Q1/52 ,  H01Q1/22 ,  H01R12/70 ,  H01R12/79

Abstract: A connector structure according to an embodiment of the present disclosure includes a second connector and a first connector coupled to the second connector. The first connector includes a first insulator, a first conductive connection terminal disposed on the first insulator, a second conductive connection terminal spaced apart from the first conductive connection terminal to form a single row structure on the first insulator together with the first conductive connection terminal, and a first barrier structure disposed between the first conductive connection terminal and the second conductive connection terminal on the first insulator.

公开(公告)号：US20220263237A1

公开(公告)日：2022-08-18

申请号：US17736164

申请日：2022-05-04

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Byung Jin CHOI ,  Hee Jun PARK ,  Jae Hyun LEE

IPC: H01Q1/52 ,  G06F3/041 ,  H04M1/02 ,  H01Q1/38

Abstract: An antenna module according to an embodiment of the present invention includes a plurality of first sensing electrode rows, a plurality of second sensing electrode columns spaced apart from the first sensing electrode rows, an insulating interlayer formed between the first sensing electrode rows and the second sensing electrode columns, and an antenna unit inserted in at least one second sensing electrode column of the second sensing electrode columns to be electrically and physically separated from the second sensing electrode columns. The antenna unit does not overlap the first sensing electrode rows in a planar view.

公开(公告)号：US20220216596A1

公开(公告)日：2022-07-07

申请号：US17568198

申请日：2022-01-04

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Han Sub RYU ,  Na Yeon KIM ,  Byung Jin CHOI

IPC: H01Q1/24 ,  H01Q9/04 ,  H01Q21/08 ,  H05K1/02

Abstract: An antenna structure according to an embodiment of the present invention includes a dielectric layer, a radiator disposed on the dielectric layer, a transmission line branching from the radiator, a signal pad electrically connected to the radiator through the transmission line on the dielectric layer, and an external circuit structure bonded to the signal pad. The signal pad includes a bonding region that is bonded to the external circuit structure and a margin region that is not bonded to the external circuit structure and is adjacent to the bonding region. An area ratio of the margin region relative to the bonding region in the signal pad is 0.05 or more and less than 0.5.

公开(公告)号：US20220216587A1

公开(公告)日：2022-07-07

申请号：US17569772

申请日：2022-01-06

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Byung Jin CHOI ,  Na Yeon KIM ,  Han Sub RYU ,  Dong Pil PARK

IPC: H01Q1/22 ,  H01Q1/38 ,  H01Q1/44

Abstract: An antenna package according to an embodiment of the present disclosure includes a first antenna device including a first antenna unit, a first circuit board electrically connected to the first antenna unit, a second circuit board electrically connected to the first circuit board, a second antenna unit integrated with the second circuit board, and an antenna driving integrated circuit chip mounted on the second circuit board and electrically connected to the first antenna unit and the second antenna unit. Multi-axial radiation is implemented using the antenna package with high efficiency and reliability.

公开(公告)号：US20220158329A1

公开(公告)日：2022-05-19

申请号：US17526240

申请日：2021-11-15

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Byung Jin CHOI ,  Na Yeon KIM ,  Young Ju KIM ,  Han Sub RYU

IPC: H01Q1/22 ,  H01Q1/24

Abstract: An antenna package according to an embodiment of the present disclosure includes an antenna device including an antenna unit, and a first circuit board electrically connected to the antenna device. The first circuit board includes a first core layer, a first circuit wiring layer formed on one surface of the first core layer and electrically connected to the antenna unit, a first connector connected to an end portion of the first circuit wiring layer on the one surface of the first core layer, and a first shielding barrier disposed on the other surface opposite to the one surface of the first core layer. The first shielding barrier at least partially covers the first connector in a planar view.