CN-121986318-A - Electronic device

Abstract

An electronic device according to an embodiment of the present invention includes a display panel, a cover panel, and an electronic module. The cover panel includes a cushion layer, a magnetic layer, and a conductive layer. A first opening is defined in the underlayer and the magnetic layer, and a second opening is defined in the conductive layer. The electronic device is disposed in the first opening and the second opening. A first region adjacent to the electronic device and having a first magnetic permeability and a second region covering the first region and having a second magnetic permeability different from the first magnetic permeability are defined in the cover panel.

Inventors

• JIN JIAYING
• LIN XIANGXUAN

Assignees

• 三星显示有限公司

Dates

Publication Date

20260505

Application Date

20250121

Priority Date

20240503

Claims (20)

1. 1. An electronic device, the electronic device comprising: A display panel; A cover panel below the display panel, and An electronic module, under the display panel, Wherein the cover panel comprises a cushion layer under the display panel, a magnetic layer under the cushion layer, and a conductive layer under the magnetic layer, Wherein a first opening is defined in the underlayer and the magnetic layer, Wherein a second opening is defined in the conductive layer, Wherein the electronic module is located in the first opening and the second opening, and Wherein a first region adjacent to the electronic module and having a first magnetic permeability and a second region surrounding the first region and having a second magnetic permeability different from the first magnetic permeability are defined in the cover panel.
2. 2. The electronic device of claim 1, wherein a first area of the first opening is smaller than a second area of the second opening.
3. 3. The electronic device of claim 2, wherein the second area is 1.5 to 1.6 times the first area.
4. 4. The electronic device according to claim 1, wherein the magnetic layer covers the conductive layer in a plan view.
5. 5. The electronic device of claim 1, wherein the magnetic layer comprises ferrite and the conductive layer comprises copper.
6. 6. The electronic device of claim 1, wherein the magnetic layer has a magnetic permeability that is higher than a magnetic permeability of the conductive layer.
7. 7. The electronic device according to claim 1, wherein at least a portion of the second opening overlaps with the first region in a plan view.
8. 8. The electronic device according to claim 1, wherein the electronic module is not overlapped with the magnetic layer and the conductive layer in a plan view.
9. 9. The electronic device of claim 1, wherein the electronic module comprises a fingerprint sensor.
10. 10. The electronic device of claim 1, wherein the electronic module comprises a speaker or a light sensor.
11. 11. The electronic device of claim 1, wherein each of the first opening and the second opening has a circular shape.
12. 12. The electronic device of claim 1, wherein each of the first opening and the second opening has a quadrilateral shape.
13. 13. The electronic device of claim 1, wherein the display panel comprises a display layer and a sensor layer on the display layer, and Wherein the sensor layer comprises: a plurality of first electrodes arranged along a first direction and extending in a second direction intersecting the first direction; A plurality of second electrodes arranged along the second direction and extending in the first direction; A plurality of first auxiliary electrodes arranged along the first direction, extending in the second direction and overlapping the plurality of first electrodes, and A plurality of second auxiliary electrodes arranged along the second direction, extending in the first direction, and overlapping the plurality of second electrodes.
14. 14. The electronic device of claim 1, wherein the magnetic layer comprises a first portion in the first region and a second portion in the second region, and Wherein the magnetic permeability of the first portion is higher than the magnetic permeability of the second portion.
15. 15. The electronic device of claim 14, wherein an area of the first opening and an area of the second opening are the same.
16. 16. The electronic device of claim 14, wherein a first area of the first opening is smaller than a second area of the second opening.
17. 17. The electronic device of claim 14, wherein an area of the first portion is 0.2 to 0.3 times an area of each of the first and second openings.
18. 18. The electronic device according to claim 1, wherein the conductive layer overlaps only the second region in a plan view, and the magnetic layer overlaps the first region and the second region.
19. 19. The electronic device of claim 18, wherein the cover panel further comprises an insulating layer at the same layer as the conductive layer and overlapping the first region in plan view.
20. 20. The electronic device of claim 1, wherein the cover panel further comprises a sub-conductive layer underlying the conductive layer and comprising a third opening having an area greater than an area of the second opening.

Description

Electronic device Technical Field Embodiments of the present disclosure described herein relate to an electronic device with improved reliability. Background The electronic device may comprise an electronic module. For example, the electronic device may be a portable terminal and/or a wearable device, and the electronic module may include a fingerprint sensor, an antenna module, a camera module, and/or a battery module. With the thinning of the portable terminal and the miniaturization of the wearable device, the space on which the electronic module will be mounted gradually decreases. In addition, as electronic devices are developed to have more functions and high specifications, the number of electronic modules included in the electronic devices is increasing. Disclosure of Invention Technical problem Embodiments of the present disclosure provide an electronic device with improved reliability. Technical proposal According to one or more embodiments, an electronic device includes a display panel, a cover panel under the display panel, and an electronic module under the display panel, wherein the cover panel includes a cushion layer under the display panel, a magnetic layer under the cushion layer, and a conductive layer under the magnetic layer, a first opening is defined in the cushion layer and the magnetic layer, a second opening is defined in the conductive layer, the electronic module is located in the first opening and the second opening, and a first region adjacent to the electronic module and having a first magnetic permeability and a second region surrounding the first region and having a second magnetic permeability different from the first magnetic permeability is defined in the cover panel. The first area of the first opening may be smaller than the second area of the second opening. The second area may be 1.5 times to 1.6 times the first area. In plan view, the magnetic layer may cover the conductive layer. The magnetic layer may include ferrite and the conductive layer may include copper. The magnetic permeability of the magnetic layer may be higher than the magnetic permeability of the conductive layer. At least a portion of the second opening may overlap the first region in a plan view. The electronic module may not overlap the magnetic layer and the conductive layer in a plan view. The electronic module may comprise a fingerprint sensor. The electronic module may comprise a speaker or a light sensor. Each of the first opening and the second opening may have a circular shape. Each of the first opening and the second opening may have a quadrangular shape. The display panel may include a display layer and a sensor layer on the display layer, and wherein the sensor layer may include a plurality of first electrodes arranged along a first direction and extending in a second direction crossing the first direction, a plurality of second electrodes arranged along the second direction and extending in the first direction, a plurality of first auxiliary electrodes arranged along the first direction, extending in the second direction and overlapping the plurality of first electrodes, and a plurality of second auxiliary electrodes arranged along the second direction, extending in the first direction and overlapping the plurality of second electrodes. The magnetic layer may include a first portion in the first region and a second portion in the second region, and the magnetic permeability of the first portion may be higher than the magnetic permeability of the second portion. The area of the first opening and the area of the second opening may be the same. The first area of the first opening may be smaller than the second area of the second opening. The area of the first portion may be 0.2 to 0.3 times the area of each of the first and second openings. In a plan view, the conductive layer may overlap only the second region, and the magnetic layer may overlap the first region and the second region. The cover panel may further include an insulating layer at the same layer as the conductive layer and overlapping the first region in a plan view. The cover panel may further include a sub-conductive layer under the conductive layer and including a third opening having an area larger than an area of the second opening. According to one or more embodiments, an electronic device includes a display panel and a cover panel under the display panel, wherein the cover panel includes a magnetic layer under the display panel and having a first opening, and a conductive layer under the magnetic layer and having a second opening, and a first region adjacent to the first opening and the second opening and having a first magnetic permeability and a second region surrounding the first region and having a second magnetic permeability different from the first magnetic permeability are defined in the cover panel. The first area of the first opening may be smaller than the second area of the second opening. In plan view, the ma