公开(公告)号：US20220368008A1

公开(公告)日：2022-11-17

申请号：US17875641

申请日：2022-07-28

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Yoon Ho HUH ,  Jong Min KIM ,  Young Su LEE

IPC: H01Q1/24 ,  H01Q1/38 ,  H01Q1/48 ,  G06F1/16

Abstract: An antenna device according to an embodiment may include a dielectric layer, a radiator and a transmission line which are disposed on an upper surface of the dielectric layer and formed in a mesh structure. A mesh line width of the transmission line may be thicker than a mesh line width of the radiator.

公开(公告)号：US20220247083A1

公开(公告)日：2022-08-04

申请号：US17727984

申请日：2022-04-25

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Jong Min KIM ,  Young Su LEE ,  Yoon Ho HUH

IPC: H01Q9/28 ,  H01Q21/00 ,  H01Q1/24

Abstract: An antenna structure according to an embodiment of the present invention includes a dielectric layer, a radiator disposed on the dielectric layer, a first signal pad for supplying a first input signal to the radiator, a second signal pad for selectively supplying a second input signal to the radiator, a first transmission line connecting the first signal pad to the radiator, and a second transmission line connecting the second signal pad to the radiator. Thereby, it is possible to provide an antenna structure having improved signal efficiency and space efficiency by implementing multiple polarization characteristics with one radiator.

公开(公告)号：US20220328955A1

公开(公告)日：2022-10-13

申请号：US17850004

申请日：2022-06-27

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Jin Young PARK ,  Young Su LEE ,  Yoon Ho HUH

IPC: H01Q1/24 ,  H01Q1/48 ,  H01Q1/36

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, and a ground layer disposed on a bottom surface of the dielectric layer. The ground layer has a first mesh structure that includes first cut portions therein. A radiation coverage is expanded by the ground layer.

公开(公告)号：US20230006363A1

公开(公告)日：2023-01-05

申请号：US17857787

申请日：2022-07-05

Applicant: DONGWOO FINE-CHEM CO., LTD. ,  KREEMO INC.

Inventor： Ho Dong YOON ,  Young Sub SON ,  Young Su LEE ,  In Seok JANG ,  Beak Jun SEONG ,  Jung Woo LEE ,  Seong Tae JEONG ,  In Kyung HONG ,  John Joonho PARK

IPC: H01Q21/08 ,  H01Q1/36 ,  H01Q19/00 ,  H01Q1/24

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 transmission line including a first transmission line and a second transmission line that extend 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 and the transmission line. Feeding signals of different phases are applied to the first transmission line and the second transmission line.

公开(公告)号：US20220231429A1

公开(公告)日：2022-07-21

申请号：US17579834

申请日：2022-01-20

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Jong Min KIM ,  Young Su LEE ,  Yoon Ho HUH

IPC: H01Q21/06 ,  H01Q1/48 ,  H01Q1/44

Abstract: An antenna array according to an embodiment includes antenna elements arranged in a predetermined direction. Each antenna element includes a first radiation body, a second radiation body to be spaced apart from the first radiation body in a first direction, a third radiation body to be spaced apart from the first radiation body in a second direction, a first signal pad and a second signal pad to supply signals to the first radiation body, a first transmission line extending in the first direction to connect the first signal pad and the first radiation body, a second transmission line extending in the second direction to connect the second signal pad and the first radiation body, a third transmission line configured to connect the first radiation body and the second radiation body, and a fourth transmission line configured to connect the first radiation body and the third radiation body.

公开(公告)号：US20220199542A1

公开(公告)日：2022-06-23

申请号：US17554036

申请日：2021-12-17

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Yoon Ho HUH ,  Young Ju KIM ,  Young Su LEE

IPC: H01L23/538 ,  H01Q1/24 ,  H01L23/66 ,  G09F9/30

Abstract: An antenna structure according to an embodiment of the present disclosure includes a passivation layer, an antenna unit at least partially embedded in an upper portion of the passivation layer, and an insulating layer disposed on a top surface of the passivation layer to cover the antenna unit. A spatial efficiency of the antenna structure is improved and a thickness of the image display device is reduced to improve a bending property.

公开(公告)号：US20220197080A1

公开(公告)日：2022-06-23

申请号：US17553943

申请日：2021-12-17

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Yoon Ho HUH ,  Young Su LEE ,  Jae Hyun LEE

IPC: G02F1/1335 ,  H01Q1/24

Abstract: An antenna structure according to an embodiment of the present disclosure includes a support layer having a first surface and a second surface facing each other, a light-shielding pattern disposed on a peripheral portion of the first surface of the support layer, a radiator disposed at the same level as that of the light-shielding pattern on the first surface of the support layer, and a signal pad disposed on the light-shielding pattern and electrically connected to the radiator. A spatial efficiency of the antenna structure may be improved and a thickness of the image display device may be reduced to enhance a bending property.

公开(公告)号：US20230170626A1

公开(公告)日：2023-06-01

申请号：US18096649

申请日：2023-01-13

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Jong Min KIM ,  Young Su LEE ,  Yoon Ho HUH

IPC: H01Q21/06 ,  H01Q1/24 ,  H01Q21/00

CPC classification number: H01Q21/061 ,  H01Q1/243 ,  H01Q21/0006

Abstract: An antenna package according to an embodiment includes an antenna device and a flexible circuit board. The antenna device includes a dielectric layer, a first antenna unit arranged on the dielectric layer and a second antenna unit arranged on the dielectric layer to be physically and electrically separated from the first antenna unit. The printed circuit board is coupled to the antenna device to be electrically connected to the first antenna unit, and electrically separated from the second antenna unit.

公开(公告)号：US20220416410A1

公开(公告)日：2022-12-29

申请号：US17848888

申请日：2022-06-24

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Young Ju KIM ,  Yoon Ho HUH ,  Hee Jun PARK ,  Young Su LEE ,  In Kak SONG ,  Dong Pil PARK

IPC: H01Q1/42 ,  H01Q1/22 ,  H01Q1/38

Abstract: An antenna structure according to an embodiment of the present invention includes a first antenna unit including a first radiator, a first transmission line connected to the first radiator, and a guide pattern disposed around the first transmission line and separated from the first transmission line, a second antenna unit at least partially covered by the guide pattern of the first antenna unit in a plan view, and a dielectric layer interposed between the first antenna unit and the second antenna unit. An antenna structure implementing low-frequency and high-frequency properties with high reliability is provided.

公开(公告)号：US20220131256A1

公开(公告)日：2022-04-28

申请号：US17508029

申请日：2021-10-22

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Young Jun LEE ,  Young Su LEE ,  Yoon Ho HUH

IPC: H01Q1/24 ,  H01Q1/38 ,  H04M1/02

Abstract: An antenna device according to an exemplary embodiment of the present invention includes a first dielectric layer, a first antenna layer disposed on the first dielectric layer and including a first antenna unit, a second dielectric layer disposed under the first dielectric layer, and a second antenna layer disposed between the first dielectric layer and the second dielectric layer, and including a second antenna unit.