JP-7855130-B1 - electronic equipment

JP7855130B1JP 7855130 B1JP7855130 B1JP 7855130B1JP-7855130-B1

Abstract

[Problem] The present invention provides an electronic device that can install a three-dimensional antenna in a limited space. [Solution] The electronic device includes a housing, a base, and an antenna module. The base is located inside the housing and has opposing first and second sides and an upper surface located between the first and second sides. The antenna module is located inside the housing and includes a flexible circuit board and an antenna pattern. The flexible circuit board is placed on the base and includes a first side surface corresponding to the first side and a second side surface corresponding to the upper surface, the first side surface having a first ground plane, and the second side surface having a second ground plane and a third ground plane. The antenna pattern has a feed point adjacent to the first side surface, the antenna pattern extends from the feed point to above the second and third ground planes, and there is a gap between the first section of the antenna pattern near the feed point and the first ground plane, forming a U-shaped ground plane. [Selection Diagram] Figure 4

Inventors

游宏明
李宜樹
呉朝旭
方▲啓▼印
陳浩元

Assignees

和碩聯合科技股▲ふん▼有限公司

Dates

Publication Date: 20260507
Application Date: 20251106
Priority Date: 20250108

Claims (10)

The casing and A base located within the housing, having an upper surface located between opposing first and second sides and between the first and second sides, An electronic device including an antenna module located within the aforementioned housing, The aforementioned antenna module is A flexible circuit board disposed on the base and including a first side surface corresponding to the first side and a second side surface corresponding to the top surface, wherein the first side surface is provided with a first ground surface and the second side surface is provided with a second ground surface and a third ground surface, The antenna pattern includes a power supply portion adjacent to the first side surface, The antenna pattern extends from the feed point to above the second and third ground planes, and there is a gap between the first section of the antenna pattern near the feed point and the first ground plane, forming a U-shaped ground plane. electronic equipment.
The first ground surface has a recess, the first section is located within the recess, and the opposing sides of the first section are each the same distance apart from the recess. The electronic device according to claim 1.
The aforementioned spacing distance is 0.1 mm to 0.3 mm. The electronic device according to claim 2.
The antenna module further includes a first capacitor located in the gap and connected to one of the opposing sides of the first section and connected in parallel with the first section. The electronic device according to claim 2.
The antenna module further includes a second capacitor located in the gap, connected to the feed point and the end of the first section, and connected in series with the first section. The electronic device according to claim 4.
The antenna module further includes a spacer disposed on the second side surface. The electronic device according to claim 2.
The antenna pattern further includes a second section connected to the first section, the second section being positioned on the spacer and spaced apart from the second ground plane and the third ground plane. The electronic device according to claim 6.
The second section includes a first segment, a second segment, and a third segment that are connected sequentially, and the first segment, the second segment, and the third segment form a plurality of bends. The electronic device according to claim 7.
The thickness of the spacer is 0.5 mm to 0.7 mm. The electronic device according to claim 6.
Further including a connection structure and ear pads, The aforementioned connection structure is located between the ear pad and the housing. The electronic device according to claim 1.

Description

This invention relates to an electronic device, and more particularly to an electronic device including an antenna module. In recent years, with various electronic devices capable of wireless communication, various miniature antennas for integration into these devices have been developed. For example, when integrated into small wireless earphones, the antenna size becomes extremely small, making it susceptible to environmental influences and leading to a decrease in antenna performance. This is a three-dimensional diagram showing an electronic device according to one embodiment of the present invention.Figure 1 is a three-dimensional diagram showing the partial components of the electronic device.Figure 1 is a perspective view showing the electronic device.Figure 2A is a localized enlarged view showing the electronic device.This figure shows the antenna structure of the electronic device shown in Figure 2A.This figure shows an electronic device according to one embodiment of the present invention applied to a human ear.Figure 5 shows the relationship between frequency and VSWR depending on the presence or absence of a matching circuit in the antenna structure of the electronic device.This figure shows the relationship between frequency and antenna efficiency for a conventional antenna structure and the antenna structure shown in Figure 5.Figure 5 shows the radiation pattern of the antenna structure of the electronic device.Figure 5 shows the radiation pattern of the antenna structure of the electronic device.Figure 5 shows the radiation pattern of the antenna structure of the electronic device. Figure 1 is a three-dimensional view of an electronic device according to one embodiment of the present invention. Figure 2A is a three-dimensional view of a partial component of the electronic device in Figure 1. Figure 2B is a perspective view of the electronic device in Figure 1. Figure 3 is a localized enlarged view of the electronic device in Figure 2A. Figure 4 shows the antenna structure of the electronic device in Figure 2A. Figure 5 shows the electronic device according to one embodiment of the present invention applied to a human ear. In this embodiment, the Cartesian coordinates X-Y-Z are provided simultaneously to facilitate the identification of the components. Referring to Figures 1 to 5, the electronic device 100 of this embodiment includes a housing 110, a base 120, and an antenna module 130. The base 120 and the antenna module 130 are located within the housing 110. The antenna module 130 includes a flexible printed circuit board (FPC) 131 and an antenna pattern 132 (Figure 4). Note that the antenna pattern on the flexible circuit board is not shown in Figures 2A, 2B, and 3; the layout of the antenna pattern will be explained in Figure 4. Referring to Figure 2B, in this embodiment, the base 120 has opposing first sides 121 and second sides 122, and an upper surface 123 located between the first side 121 and the second side 122. The flexible circuit board 131 is disposed on the base 120 and includes a first side surface S1 corresponding to the first side 121 and a second side surface S2 corresponding to the upper surface 123. Referring to Figures 1 and 2B, the length E1 of the housing 110 is approximately 28.9 mm, the length E2 is approximately 14.5 mm, and the length E3 is approximately 8.3 mm, but the present invention is not limited to these dimensions. In this embodiment, the flexible circuit board 131 is attached to the base 120 by three-dimensional integral molding, effectively utilizing the narrow space between the base 120 and the housing 110. Here, the housing 110 is a plastic housing and the base 120 is a plastic component structure, but the present invention is not limited to these. In this embodiment, a BT chip circuit is provided on the first side surface S1 of the flexible circuit board 131, and it performs pairing with other electronic devices via Bluetooth (registered trademark) wireless communication to transmit or receive data, thereby realizing data transfer capabilities between them. However, the present invention is not limited to this. In this embodiment, the electronic device 100 is a behind-the-ear hearing aid (BTE hearing aid), but the present invention is not limited thereto. In other embodiments, the electronic device 100 may be an earphone or another small wearable device. In this embodiment, the electronic device 100 further includes a battery compartment 20, a charging connector 30, a button 40, a connection structure 140 (Figure 5), and an earpad 150 (Figure 5). As shown in Figure 5, the connection structure 140 is located between the earpad 150 and the housing 110, and the earpad 150 outputs sound facing the ear canal, but the present invention is not limited thereto. In Figures 1 to 4, some unrelated structures are omitted to facilitate the display and identification of the component parts that are the desired subject of explanation. The operation and implementation of