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：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：US20220200132A1

公开(公告)日：2022-06-23

申请号：US17690448

申请日：2022-03-09

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Yun Seok OH ,  Han Sub RYU ,  Won Hee LEE

IPC: H01Q1/24

Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, and an antenna unit disposed on at least two of an upper surface, a side surface and a lower surface of the dielectric layer to have a bent structure. The antenna device is disposed at a side surface of a display device using the bent structure so that radiation and signaling reliability are improved while reducing a signal loss.

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.

公开(公告)号：US20220029280A1

公开(公告)日：2022-01-27

申请号：US17492903

申请日：2021-10-04

Applicant: DONGWOO FINE-CHEM CO., LTD. ,  POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION

Inventor： Yoon Ho HUH ,  Jong Min KIM ,  Han Sub RYU ,  Won Bin HONG

IPC: H01Q1/38 ,  H01Q1/44

Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, an antenna unit disposed on a top surface of the dielectric layer, the antenna unit including a radiator and a transmission line connected to the radiator, a dummy electrode separated from the antenna unit on the top surface of the dielectric layer, the dummy electrode at least partially surrounding the antenna unit, and a blocking pattern arranged around the antenna unit in the dummy electrode. Radiation interruption from the dummy electrode is prevented by the blocking pattern to improve radiation reliability.

公开(公告)号：US20210141426A1

公开(公告)日：2021-05-13

申请号：US17154266

申请日：2021-01-21

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Jong Min KIM ,  Han Sub RYU ,  Dong Pil PARK

IPC: G06F1/16 ,  G06F1/18 ,  H01Q1/38

Abstract: An antenna structure of an embodiment of the present invention includes a film antenna including a dielectric layer and an antenna electrode layer formed on an upper surface of the dielectric layer, and a flexible circuit board including a power supply wiring electrically connected to the antenna electrode layer. A bonding region is defined by a region in which the antenna electrode layer and the power supply wiring are overlapped with each other in a planar direction, and the bonding region has a length of 1.5 mm or less. Signal efficiency and radiation reliability may be improved by adjusting a length of the bonding region.

公开(公告)号：US20200259246A1

公开(公告)日：2020-08-13

申请号：US16861560

申请日：2020-04-29

Applicant: DONGWOO FINE-CHEM CO., LTD. ,  POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION

Inventor： Jong Min KIM ,  Han Sub RYU ,  Yoon Ho HUH ,  Won Bin HONG

IPC: H01Q1/24 ,  H01Q9/04 ,  H01Q1/48 ,  H04M1/02

Abstract: A film antenna according to an embodiment of the present invention includes a dielectric layer, a pad disposed on the dielectric layer and an antenna pattern inclined with respect to the pad on the dielectric layer. A generation of a side lobe is prevented by the inclined orientation of the antenna pattern. A radiation in a −Z-axis direction may be suppressed to enhance a signal intensity of a radiation pattern and prevent a signal loss. A display device including the film antenna is also provided.

公开(公告)号：US20200251814A1

公开(公告)日：2020-08-06

申请号：US16855166

申请日：2020-04-22

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Han Sub RYU ,  Jong Min KIM ,  Dong Pil PARK

IPC: H01Q1/38 ,  H01Q1/24 ,  H01Q7/00 ,  H01Q9/04

Abstract: A film antenna according to an embodiment of the present invention includes a plurality of radiation patterns corresponding to different frequency bands, transmission lines extending from each of the radiation patterns, and a driving circuit unit commonly connected to the transmission lines. Signaling transmission/reception efficiency and reliability may be improved by integrating the radiation patterns of different frequency bands.