公开(公告)号：US20230037134A1

公开(公告)日：2023-02-02

申请号：US17964131

申请日：2022-10-12

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Byung Jin CHOI ,  Dong Pil PARK ,  Jae Hyun LEE

IPC: H01Q1/22 ,  H01Q1/38 ,  H01Q1/48

Abstract: An antenna-integrated display panel according to an embodiment includes a display unit, an encapsulation layer disposed on the display unit, an antenna layer formed on the encapsulation layer and including an antenna unit, a polarizing layer disposed on the antenna layer, and a cover window disposed on the polarizing layer.

公开(公告)号：US20230006356A1

公开(公告)日：2023-01-05

申请号：US17943298

申请日：2022-09-13

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

Inventor： Ho Dong YOON ,  Dong Pil PARK ,  Byung Jin CHOI ,  Won Bin HONG ,  Jun Ho PARK

IPC: H01Q13/20 ,  H01Q21/06 ,  H01Q9/06 ,  H01Q9/04

Abstract: An antenna device according to an embodiment includes an array antenna including a plurality of antenna elements, a first flexible printed circuit board (FPCB) including a plurality of first transmission lines which are electrically connected to the plurality of antenna elements and have different lengths, and a radio frequency integrated circuit (RFIC) electrically connected to the plurality of first transmission lines.

公开(公告)号：US20220294106A1

公开(公告)日：2022-09-15

申请号：US17830718

申请日：2022-06-02

Applicant: DONGWOO FINE-CHEM CO., LTD.

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

IPC: H01Q1/52 ,  H01Q21/24 ,  H01Q1/48 ,  H01Q1/38

Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer and an antenna unit disposed on a top surface of the dielectric layer. The antenna unit includes a mesh structure. The mesh structure of the antenna unit includes unit cells that are repeatedly arranged, and diagonal lines of each unit cell are inclined with respect to a width direction or a length direction of the antenna device. The antenna device having reduced pattern visibility and having improved transmittance and signal sensitivity is provided.

公开(公告)号：US20220271412A1

公开(公告)日：2022-08-25

申请号：US17667875

申请日：2022-02-09

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Byung Jin CHOI ,  Han Sub RYU ,  Won Hee LEE ,  Jae Hyun LEE

IPC: H01Q1/22 ,  H01Q23/00

Abstract: An antenna element according to an exemplary embodiment includes a radiation body, a first transmission line extending from the radiation body in a first direction, a second transmission line extending from the radiation body in a second direction, a first signal pad extending from an end of the first transmission line in the first direction, and a second signal pad extending from an end of the second transmission line in the second direction.

公开(公告)号：US20220224000A1

公开(公告)日：2022-07-14

申请号：US17574747

申请日：2022-01-13

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Seung Hyun SHIN ,  Na Yeon KIM ,  Byung Jin CHOI

IPC: H01Q1/38 ,  H01Q1/48 ,  H01Q1/44

Abstract: An antenna device according to an embodiment of the present invention includes a substrate layer, an antenna unit formed on a top surface of the substrate layer, a circuit wiring disposed on the top surface of the substrate layer and directly connected to the antenna unit, a stress compensation layer covering the circuit wiring on the top surface of the substrate layer and having a thickness greater than a thickness of the substrate layer, a first dielectric layer formed on a bottom surface of the substrate layer to overlap the circuit wiring in a planar view, and a first ground layer overlapping the circuit wiring in the planar view with the first dielectric layer or the stress compensation layer interposed therebetween.

公开(公告)号：US20190278399A1

公开(公告)日：2019-09-12

申请号：US16295019

申请日：2019-03-07

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Byung Jin CHOI ,  Minhyuk PARK ,  Seonghwan PARK

IPC: G06F3/044 ,  G06F3/045 ,  G06F3/041

Abstract: The present invention relates to an input sensor capable of sensing writing pressure and a display device including the same.

公开(公告)号：US20170322667A1

公开(公告)日：2017-11-09

申请号：US15526116

申请日：2015-10-14

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Cheol Hun LEE ,  Byung Jin CHOI ,  Jae Hyun LEE

IPC: G06F3/041

CPC classification number: G06F3/0416 ,  G06F3/041 ,  G06F3/044 ,  G06F2203/04111

Abstract: A touch sensor includes a driving electrode which includes at least two divided areas electrically separated from each other, wherein each divided area includes first patterns connected to each other in a first direction and second patterns extending from the first pattern in a second direction, and a receiving electrode which is formed on the same plane as the driving electrode in the second direction, wherein the driving electrodes are respectively connected to separate driving channels by driving electrode wirings for each divided area, such that it is possible to sense touch positions over the entire area only by a smaller number of channels. Thereby, it is possible to significantly reduce the bezel width, and may maintain excellent touch sensitivity while significantly shortening the touch recognition time.

公开(公告)号：US20230176673A1

公开(公告)日：2023-06-08

申请号：US18104445

申请日：2023-02-01

Applicant: DONGWOO FINE-CHEM CO., LTD.

Inventor： Byung Jin CHOI ,  Dong Pil PARK ,  Jae Hyun LEE

IPC: G06F3/041 ,  G06F3/044 ,  H01Q1/22

CPC classification number: G06F3/0412 ,  G06F3/0443 ,  G06F3/0446 ,  H01Q1/2266 ,  G06F2203/04112

Abstract: An antenna-inserted electrode structure according to an embodiment includes a substrate layer having a touch sensing region and an antenna-touch sensing region, first sensing electrodes arranged on the touch sensing region of the substrate layer, second sensing electrodes arranged on the antenna-touch sensing region of the substrate layer, and an antenna unit spaced apart from the second sensing electrodes on the antenna-touch sensing region of the substrate layer. The antenna unit and the second sensing electrodes include a conductive material having a lower resistance than that of the first sensing electrodes.

公开(公告)号：US20230098313A1

公开(公告)日：2023-03-30

申请号：US18076505

申请日：2022-12-07

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

Inventor： Jae Hyun LEE ,  Dong Pil PARK ,  Ho Dong YOON ,  Byung Jin CHOI ,  Won Bin HONG

IPC: H01Q21/24 ,  H01Q9/04 ,  H01Q1/48 ,  H01Q1/24

Abstract: An antenna device according to an embodiment includes a dielectric layer, a first radiator disposed on the dielectric layer in a first direction, a second radiator 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.

公开(公告)号：US20230052092A1

公开(公告)日：2023-02-16

申请号：US17973808

申请日：2022-10-26

Applicant: DONGWOO FINE-CHEM CO., LTD.

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

IPC: H01Q1/38 ,  H01Q1/24

Abstract: An antenna package according to an embodiment includes antenna units, and a circuit board electrically connected to the antenna units. The circuit board includes a core layer, antenna feeding lines distributed on a surface of the core layer and connected to the antenna units, power/data lines distributed on the surface of the core layer, power/data ports connected to end portions of the power/data lines, and antenna feeding ports connected to end portions of the antenna feeding lines and arranged to be closer to the antenna units than the power/data ports.