CN-113253862-B - Display device

Abstract

The present disclosure provides a display device. The display device includes a display panel, an active area, a peripheral area, an input sensor, and a pattern layer. The peripheral region is adjacent to the active region. The input sensor is disposed on the display panel and includes a first pattern and a plurality of detection electrodes. The pattern layer is disposed on the input sensor and includes a second pattern that overlaps the first pattern when viewed on a plane. Any one of the first pattern and the second pattern transmits and receives signals. The other of the first pattern and the second pattern includes a shielding member that shields or reflects a signal provided from either one of the patterns. The transmission component transmits the signal.

Inventors

• Jin Jiqi
• Jin Zaijing
• PU YUANXIANG
• LIU FENGXUAN

Assignees

• 三星显示有限公司
• 三星显示有限公司

Dates

Publication Date

20260421

Application Date

20210202

Priority Date

20200207

Claims (16)

1. 1. A display device, comprising: A display panel having an active area and a peripheral area adjacent to the active area; an input sensor disposed on the display panel and including a plurality of detection electrodes; A pattern layer disposed on the input sensor; A plurality of antenna patterns provided in the input sensor or in the pattern layer, and A plurality of additional patterns disposed in the pattern layer, wherein each of the plurality of additional patterns includes: A shielding assembly overlapping a corresponding antenna pattern of the plurality of antenna patterns in a plan view and configured to shield signals provided from the corresponding antenna pattern, wherein the shielding assembly includes an electrically floating conductive material, and And a transmission component overlapping the corresponding antenna pattern in the plan view, not overlapping the shielding component in the plan view, and configured to transmit a signal from the corresponding antenna pattern, wherein an area of the shielding component is smaller than an area of the transmission component in the plan view.
2. 2. The display device according to claim 1, wherein the additional pattern overlaps with an entire area of the corresponding antenna pattern in the plan view.
3. 3. The display device according to claim 1, wherein the antenna pattern and the additional pattern overlap the active region when viewed on the plane.
4. 4. The display device of claim 1, wherein the transmission component comprises a dielectric.
5. 5. The display device according to claim 1, wherein a width of the antenna pattern in a first direction is equal to a width of the additional pattern in the first direction.
6. 6. The display device according to claim 5, wherein a width of the antenna pattern in a second direction intersecting the first direction is equal to a width of the additional pattern in the second direction.
7. 7. The display device of claim 6, wherein a first center point of the antenna pattern overlaps a second center point of the additional pattern when viewed on the plane.
8. 8. The display device according to claim 6, wherein the second center point of the additional pattern is a value obtained by moving a first distance in the first direction in parallel from the first center point of the antenna pattern and a second distance in parallel in the second direction when viewed on the plane, Wherein the first distance is smaller than the width of the antenna pattern in the first direction and the second distance is smaller than the width of the antenna pattern in the second direction.
9. 9. The display device according to claim 1, wherein a width of the antenna pattern in a first direction is n times a width of the additional pattern in the first direction, wherein n is a positive integer greater than 1.
10. 10. The display device according to claim 9, wherein a width of the antenna pattern in a second direction intersecting the first direction is m times a width of the additional pattern in the second direction, wherein m is a positive integer greater than 1.
11. 11. The display device of claim 10, wherein the plurality of additional patterns are arranged along the first direction and the second direction.
12. 12. The display device according to claim 11, wherein k patterns of the plurality of additional patterns overlap the antenna pattern when viewed on the plane, wherein k is a product of n and m.
13. 13. The display device according to claim 12, wherein a first center point of the antenna pattern overlaps a second center point of an area where the k patterns are arranged when viewed on the plane.
14. 14. The display device according to claim 12, wherein the second center point of the region where the k patterns are disposed is obtained by moving in parallel a first distance in the first direction and a second distance in the second direction from the first center point of the antenna pattern when viewed on the plane, Wherein the first distance is smaller than the width of the antenna pattern in the first direction and the second distance is smaller than the width of the antenna pattern in the second direction.
15. 15. The display device of claim 1, wherein the shielding assembly surrounds the transmission assembly when viewed on the plane.
16. 16. The display device of claim 1, wherein the transmission assembly surrounds the shielding assembly when viewed on the plane.

Description

Display device Cross Reference to Related Applications The present patent application claims priority from korean patent application No. 10-2020-0014965, filed on 7-2/2020, the entire contents of which are incorporated herein by reference. Technical Field The present disclosure relates herein to a display device. Background The display device may be used to communicate information to a user or between multiple users. Smart phones, computers, televisions, and navigation units are examples of display devices. The display device may include a display panel providing visual information to a user, and various electronic modules such as an antenna, a camera, or a battery. As the demand for thinner, lighter, and more convenient electronic devices increases, the display device may be reduced in size. The size of the electronic module inside the electronic device can then also be reduced accordingly. Additionally, the functionality and specifications of the electronic device and the number of electronic modules or antenna modules in the electronic device may be increased. That is, electronic devices are becoming smaller and more functional. As a result, there is a need in the art for systems and methods that reduce the size of an electronic module while maintaining the effectiveness of the electronic module. Disclosure of Invention The present disclosure provides a display device having improved antenna efficiency. Embodiments of the inventive concept provide a display device including a display panel having an active region and a peripheral region adjacent to the active region, an input sensor disposed on the display panel and including a first pattern and a plurality of detection electrodes, and a pattern layer disposed on the input sensor and including a second pattern overlapping the first pattern when viewed on a plane, wherein one of the first pattern and the second pattern transmits and receives a signal, and the other of the first pattern and the second pattern includes a shielding member shielding or reflecting the signal provided from the one pattern, and a transmission member transmitting the signal. In an embodiment, the further pattern may be floating. In an embodiment, the first pattern and the second pattern may overlap the active region when viewed on the plane. In an embodiment, the shielding component may comprise a conductive material and the transmission component may comprise a dielectric. In an embodiment, the width of the one pattern in the first direction may be the same as the width of the other pattern in the first direction. In an embodiment, a width of the one pattern in a second direction intersecting the first direction may be the same as a width of the other pattern in the second direction. In an embodiment, the first center point of the one pattern may overlap with the second center point of the other pattern when viewed on the plane. In an embodiment, the second center point of the other pattern may be a value obtained by moving a first distance in the first direction and a second distance in the second direction in parallel from a first center point of the one pattern when viewed on the plane, wherein the first distance may be smaller than the width of the one pattern in the first direction and the second distance may be smaller than the width of the one pattern in the second direction. In an embodiment, the width of the one pattern in the first direction may be n times the width of the other pattern in the first direction, wherein n may be a positive integer greater than 1. In an embodiment, a width of the one pattern in a second direction intersecting the first direction may be m times a width of the other pattern in the second direction, where m may be a positive integer greater than 1. In an embodiment, the further pattern may be provided as a plurality of further patterns, wherein the plurality of further patterns may be arranged along the first direction and the second direction. In an embodiment, k patterns of the plurality of other patterns may overlap with the one pattern when viewed on the plane, where k may be a product of n and m. In an embodiment, the first center point of the one pattern may overlap with the second center point of the region where the k patterns are arranged when viewed on the plane. In an embodiment, the second center point of the region where the k patterns are disposed may be obtained by moving in parallel a first distance in the first direction and a second distance in the second direction from the first center point of the one pattern when viewed on the plane, wherein the first distance may be smaller than the width of the one pattern in the first direction and the second distance may be smaller than the width of the one pattern in the second direction. In an embodiment, the shielding assembly may have an area less than or equal to an area of the transmission assembly when viewed on the plane. In an embodiment, the shielding assembly may surround