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EP-4024608-B1 - ELECTRONIC DEVICE

EP4024608B1EP 4024608 B1EP4024608 B1EP 4024608B1EP-4024608-B1

Inventors

  • BYUN, GANGIL
  • KIM, JAE-KYOUNG
  • Kim, Kiseo
  • SUNG, EUNJIN
  • Heo, Jinmyeong

Dates

Publication Date
20260506
Application Date
20211201

Claims (15)

  1. An electronic device (1000) comprising a display panel (100), an optical film (200) disposed on the display panel (100), an antenna (300) disposed on the optical film (200), and a window (400) disposed on the antenna (300), wherein the antenna (300) comprises: a base layer (310); a conductive layer (320) that includes: a patch part (320P) disposed over the display panel (100) and comprising a first side (320s1) and a second side (320s2); a first transmission part (320T1) disposed over the display panel (100), facing the first side (320s1) of the patch part (320P), spaced apart from the patch part (320P), and coupled with the patch part (320P); and a second transmission part (320T2) disposed over the display panel (100), facing the second side (320s2) of the patch part (320P), spaced apart from the patch part (320P), and coupled with the patch part (320P); characterized in that the antenna (300) further comprises a cover layer (330) covering the conductive layer (320) and including a silicon-based material, wherein the conductive layer (320) is disposed between the cover layer (330) and the base layer (310) and each of the base layer (310) and the cover layer (330) overlap an entire display area (1000A) of the electronic device (1000).
  2. The electronic device of claim 1, wherein the first transmission part (320T1) comprises a first transmission line (32011) and a first coupler (320c1) extending from the first transmission line (32011) and facing the first side (320s1), and the second transmission part (320T2) comprises a second transmission line (320l2) and a second coupler (320c2) extending from the second transmission line (320l2) and facing the second side (320s2).
  3. The electronic device of claim 2, wherein the first transmission line and the second transmission line are spaced apart from each other in a first direction, and each of the first transmission line and the second transmission line extends in parallel to a second direction crossing the first direction.
  4. The electronic device of claim 3, wherein the first coupler comprises a first extension portion (EP1) extending from the first transmission line in a first crossing direction between the first direction and the second direction and a first facing portion extending in a second crossing direction crossing the first crossing direction, the second coupler comprises a second extension portion (EP2) extending from the second transmission line in the second crossing direction and a second facing portion extending in the first crossing direction, and the first facing portion faces the first side of the patch part, and the second facing portion faces the second side of the patch part.
  5. The electronic device of claim 4, wherein the first extension portion is connected with a central area of the first facing portion, and the second extension portion is connected with a central area of the second facing portion.
  6. The electronic device of claim 4 or 5, wherein the first side of the patch part is parallel to the second crossing direction, and the second side of the patch part is parallel to the first crossing direction.
  7. The electronic device of any one of claims 4 to 6, wherein a length of the first side of the patch part is greater than that of the first facing portion, and a length of the second side of the patch part is greater than that of the second facing portion.
  8. The electronic device of any one of claims 1 to 7, wherein the first side of the patch part has a same length or substantially the same length as the second side of the patch part.
  9. The electronic device of any one of claims 1 to 8, wherein the first transmission part and the second transmission part have shapes symmetric to each other.
  10. The electronic device of any one of claims 1 to 9, wherein the patch part has a mesh structure in which a plurality of openings is defined.
  11. The electronic device of any one of claims 1 to 10, wherein the patch part further comprises a third side (320s3) facing the second side and connected with the first side and a fourth side (320s4) facing the first side and connected with the third side and the second side, and the patch part has a rectangular or substantially rectangular shape.
  12. The electronic device of claim 11, wherein a first slot (SL1) facing the third side and extending in a direction parallel to the third side and a second slot (SL2) facing the fourth side and extending in a direction parallel to the fourth side are defined in the patch part.
  13. The electronic device of claim 11 or 12, further comprising: a first radiation part (RP1) disposed over the display panel, facing the third side of the patch part, spaced apart from the patch part, and coupled with the patch part; and a second radiation part (RP1) disposed over the display panel, facing the fourth side of the patch part, spaced apart from the patch part, and coupled with the patch part.
  14. The electronic device of any one of claims 11 to 13, further comprising: a first radiation part disposed over the display panel, facing the third side of the patch part, and connected with the third side of the patch part; and a second radiation part disposed over the display panel, facing the fourth side of the patch part, and connected with the fourth side of the patch part.
  15. The electronic device of any one of claims 1 to 14, wherein each of the first transmission part and the second transmission part has a mesh structure in which a plurality of openings is defined.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application claims priority from and the benefit of Korean Patent Application No. 10-2020-0186921, filed on December 30, 2020. BACKGROUND FIELD Embodiments of the invention relate generally to an electronic device capable of performing communication. DISCUSSION OF THE BACKGROUND An electronic device may include electronic modules. For example, the electronic device may be a portable terminal or a wearable device, and electronic modules may include an antenna module, a camera module, or a battery module. Due to thinning of the portable terminal and miniaturization of the wearable device, a space for mounting the electronic modules has gradually decreased. Also, as the electronic device is developed to have high functionality and high technical specifications, the number of the electronic modules contained in the electronic device has gradually increased. US2019058264 discloses an electronic device including a display unit; an array antenna including a transparent electrode material and being disposed within the display unit; and a radio frequency integrated circuit (RFIC) electrically connected to the array antenna. The array antenna includes an antenna element having first and second sides perpendicular to each other disposed slopingly at a predetermined angle with respect to one side of the display unit; and a feeding part connecting the antenna element and the RFIC. US2015255856 discloses an antenna device and an electronic device having the a ntenna device are provided. The antenna device includes a conductive film member including me sh grid areas formed by transparent wires and electrodes, and a radiation pattern path formed bet ween the mesh grid areas. The electronic device includes a display including a touch panel, wher ein the touch panel comprises a conductive film member including mesh grid areas formed by tra nsparent wires and electrodes, and a radiation pattern path formed between the mesh grid areas. KURUP D GET AL: "Compact microstrip-T coupled patch antenna for dual polarization and active antenna applications" discloses an way of feeding single-layer microstrip patch antennas using electromagnetically coupled microstrip-T junctions. MACI S ET AL: "Dual-frequency patch antennas" discloses solutions for dual-frequency patch antennas. US 2008/316110 A1 discloses a patch antenna. US 2011/298670 A1 discloses a mobile terminal including a second conductive oxide film configured to cover a metal conductive part. The above information disclosed in this Background section is only for understanding of the background of the inventive concepts, and, therefore, it may contain information that does not constitute prior art. SUMMARY Devices constructed according to embodiments and implementations of those embodiments are capable of having improved operational characteristics while utilizing a smaller coupling space of an antenna to an electronic device. The present disclosure provides an electronic device having improved antenna bandwidth. The present disclosure also provides an electronic device capable of performing communication in various frequency bands. Additional features of the inventive concepts will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the inventive concepts. According to an aspect, there is provided an electronic device as set out in claim 1. Additional features are set out in claims 2 to 15. It is to be understood that both the foregoing general description and the following detailed description are illustrative and explanatory and are intended to provide further explanation of the invention as claimed. BRIEF DESCRIPTION OF THE FIGURES The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the inventive concepts. FIG. 1 is a perspective view of an electronic device according to an embodiment that is constructed according to principles of the invention.FIG. 2 is a schematic cross-sectional view of the electronic device according to an embodiment.FIG. 3 is a cross-sectional view of a display panel according to an embodiment.FIG. 4 is a cross-sectional view of an antenna according to an embodiment.FIG. 5 is a cross-sectional view of an antenna according to an embodiment.FIG. 6 is a plan view of the antenna according to an embodiment.FIG. 7 is a graph representing a reflection coefficient of the antenna according to an embodiment.FIG. 8 illustrates a radiation pattern of the antenna.FIG. 9 illustrates a radiation pattern of the antenna.FIG. 10A is a plan view of an antenna according to an embodiment.FIG. 10B is an enlarged view illustrating area AA' of FIG. 10A.FIG. 11 is a plan view of an antenna according to an embodiment.FIG. 12 is a plan view of an antenn