IP Library › Granted Patent US 12,040,535
Granted Patent B2
US 12,040,535 · App. 17/887,585 · Granted Jul 16, 2024

Antenna-inserted electrode structure and image display device including the same

Inventors: Byuong In Kim (Seoul, KR); Chang Jun Maeng (Gyeonggi-do, KR); Yoon Ho Huh (Seoul, KR)
Assignee: DONGWOO FINE-CHEM CO., LTD.
H01Q1/243G06F3/0412G06F3/0443G06F3/0446G06F3/0448G06F2203/04111G06F2203/04112
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,040,535
App. No.
17/887,585
Granted
Jul 16, 2024
Kind
B2
Abstract

An antenna-inserted electrode structure according to an embodiment includes a substrate layer including a touch sensing area and a touch sensing-antenna area, sensing electrodes disposed on the touch sensing area and the touch sensing-antenna area of the substrate layer, and an antenna unit disposed on the touch sensing-antenna area of the substrate layer, the antenna unit including a radiator inclined to an arrangement direction of the sensing electrodes. An image display device including the antenna-inserted electrode structure from which a moire phenomenon is suppressed is provided.

Claims (21)

1. An antenna-inserted electrode structure, comprising:

a substrate layer comprising a touch sensing area and a touch sensing-antenna area;

sensing electrodes disposed on the touch sensing area and the touch sensing-antenna area of the substrate layer, the sensing electrodes comprising first sensing electrodes arranged in a first direction parallel to a top surface of the substrate and second sensing electrodes arranged in a second direction parallel to the top surface of the substrate layer, wherein the second direction is perpendicular to the first direction; and

an antenna unit disposed on the touch sensing-antenna area of the substrate layer, the antenna unit comprising a radiator inclined with respect to an arrangement direction of the sensing electrodes,

wherein the sensing electrodes and the radiator include a mesh structure that includes first electrode lines and second electrode lines intersecting each other, and the mesh structure includes unit cells defined by the first electrode lines and the second electrode lines crossing each other,

wherein the antenna unit further comprises a transmission line formed from the mesh structure and integrally connected to the radiator, and a signal pad connected to an end portion of the transmission line.

2. The antenna-inserted electrode structure according to claim 1 , wherein each of the unit cells has a polygonal shape, and a diagonal line of each of the unit cells is inclined with respect to the first direction and the second direction.

3. The antenna-inserted electrode structure according to claim 1 , wherein a boundary of the radiator has a continuous linear shape extending along extension directions of the first electrode lines or the second electrode lines.

4. The antenna-inserted electrode structure according to claim 1 , wherein boundaries of the sensing electrodes include protrusions formed by cutting the first electrode lines or the second electrode lines.

5. The antenna-inserted electrode structure according to claim 1 , wherein the transmission line extends obliquely with respect to the first direction and the second direction.

6. The antenna-inserted electrode structure according to claim 1 , further comprising:

connecting portions integrally connecting the first sensing electrodes along the first direction; and

bridge electrodes electrically connecting the second sensing electrodes to each other along the second direction.

7. The antenna-inserted electrode structure according to claim 1 , wherein sensing electrodes arranged in the touch sensing area have a shape different from that of sensing electrodes adjacent to the radiator in the touch sensing-antenna area.

8. The antenna-inserted electrode structure according to claim 7 , wherein the sensing electrodes adjacent to the radiator have a shape in which the shape of the sensing electrodes arranged in the touch sensing area is cut or partially removed by the radiator.

9. The antenna-inserted electrode structure according to claim 1 , wherein the sensing electrodes and the antenna unit are located at the same layer or at the same level.

10. An image display device, comprising:

a display panel comprising a plurality of pixels; and

the antenna-inserted electrode structure according to claim 1 stacked on the display panel.

11. The image display device according to claim 10 , wherein the sensing electrodes and the radiator comprise a mesh structure that includes a plurality of unit cells therein,

wherein an arrangement direction of the plurality of unit cells is different from an arrangement direction of the plurality of pixels.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 16, 2022
From: KIM, BYUONG IN; MAENG, CHANG JUN; HUH, YOON HO
To: DONGWOO FINE-CHEM CO., LTD.
Reel/Frame 060815/0804 →
Priority Claims (1)
KR 10-2020-0018271 · Feb 14, 2020 · national
Continuity (2)
Continuation PCTKR2021001641 · Feb 8, 2021
Related Publication 20220393338A1 · Dec 8, 2022