TW201324953A - Electronic device - Google Patents

Abstract

An electronic device includes a sensor and an antenna. The sensor includes a meshed circuit and a plurality of metal lines. The meshed circuit is configured to detect a touch position. The plurality of metal lines are coupled to the meshed circuit. The antenna is configured to transmit or receive a signal, wherein the sensor and the antenna are both disposed on one plane.

Description

Electronic device

The present invention relates to an electronic device, and more particularly to an electronic device including an antenna and a sensor circuit.

With the development of mobile communication technologies, mobile devices have become more and more popular in recent years, such as notebook computers, tablets, mobile phones, multimedia players, and other mobile devices with mixed functions. In order to meet people's needs, mobile devices usually have the function of wireless communication. Some cover long-range wireless communication range, for example, mobile phones use 2G, 3G, LTE systems and the 700MHz, 850MHz, 900MHz, 1800MHz, 1900MHz, 2100MHz, 2300MHz and 2500MHz bands used for communication, while others cover short distances. The range of wireless communication, such as Wi-Fi, Bluetooth, and WiMAX systems, uses 2.4 GHz, 3.5 GHz, 5.2 GHz, and 5.8 GHz bands for communication.

In order to provide wireless communication, the mobile device must have an antenna to transmit or receive signals. Because the antenna is susceptible to other metals, it needs to be placed in a clear area. However, mobile devices must house all components in a limited space, thus increasing the difficulty of antenna design.

In order to solve the above problems, the present invention provides an electronic device including a sensor circuit and an antenna disposed on the same plane. The electronic device may further include a grounding element disposed between the sensor circuit and the antenna to prevent the antenna from being disturbed. The electronic device can be applied to various mobile devices with touch panels, and can save the antenna design space of the mobile device.

In one embodiment, the present invention provides an electronic device including: a sensor circuit disposed on a plane and including: a mesh circuit for detecting a touch position; and a plurality of metal lines coupled Connected to the mesh circuit; and an antenna disposed on the plane together with the sensor circuit for receiving or transmitting a signal.

1 is a schematic diagram showing an electronic device 100 according to an embodiment of the invention. As shown in FIG. 1, the electronic device 100 includes a sensor circuit 107 and an antenna 150, wherein the sensor circuit 107 and the antenna 150 are both disposed on the same plane E1.

The sensor circuit 107 includes a mesh circuit 110 and a plurality of metal lines 120. The mesh circuit 110 includes a plurality of mutually staggered wires for detecting a touch position TP. For example, when the user applies pressure to the touch position TP with a finger or only over the touch position TP, the mesh circuit 110 can detect the touch position TP according to a voltage or current change on the plurality of wires. And according to to generate a detection signal.

In a preferred embodiment of the present invention, the sensor circuit 107 can be disposed on a panel module of a mobile device, wherein the protective glass of the mobile device (eg, the upper cover glass or the lower cover glass) is overlaid on the sensor circuit 107. And above the antenna 150. In order to maintain good light transmittance, the mesh circuit 110 is made of a transparent conductive material such as Transparent Conductive Oxide (TCO). In a preferred embodiment of the invention, the transparent conductive material may be Indium Tin Oxide (ITO, typically having 90% In ₂ O ₃ and 10% SnO ₂ ). Indium tin oxide has an extremely low resistivity and a very high light transmittance, making it an ideal material for mesh circuits.

The plurality of metal lines 120 are electrically coupled to the mesh circuit 110 and configured to transmit the detection signal. In one embodiment, the plurality of metal lines can be electrically coupled to a processor (not shown) via a plurality of output terminals 121, and the detection signal is transmitted to the processor for processing. In a preferred embodiment of the invention, the metal lines 120 are all made of a metal "silver" having good electrical conductivity.

Antenna 150 is for receiving or transmitting a signal. In an embodiment, the antenna can be electrically coupled to a signal source and transmit signals from the signal source. In an embodiment of the invention, the antenna 150 can be an inverted-F antenna. In addition to this, the antenna 150 may also be a monopole antenna or a loop antenna.

2 is a schematic diagram showing an electronic device 200 according to another embodiment of the present invention. As shown in FIG. 2, the electronic device 200 includes a sensor circuit 107, an antenna 150, and a grounding element 160. The sensor circuit 107, the antenna 150, and the ground element 160 are all disposed on the same plane E1. The grounding member 160 can be made of a metal "silver" having good electrical conductivity. The ground element 160 substantially separates the sensor circuit 107 from the antenna 150 to prevent the antenna 150 from being disturbed by electromagnetic waves from the sensor circuit 107. In a preferred embodiment of the invention, the grounding element 160 is generally U-shaped and extends generally along the three sides of the sensor circuit 107. In other embodiments, the grounding element 160 can also be rectangular, circular, or other irregular shape.

FIG. 3 is a schematic view showing an electronic device disposed on a cover glass 300 according to an embodiment of the invention. As shown in FIG. 3, the electronic device 100 (or the electronic device 200) may be disposed on a surface of the cover glass 300 (for example, a lower surface). In other words, the plane E1 is attached to the cover glass 300. The electronic device 100 (or the electronic device 200) can be combined with the cover glass 300 as a combined component to reduce the thickness. The protective glass 300 can be a top cover glass or a lower cover glass of a mobile device, and the mobile device can be a functional mobile phone, a smart phone, or a tablet computer.

FIG. 4 is a schematic view showing an electronic device disposed on a substrate 400 or a panel module 410 according to an embodiment of the invention. As shown in FIG. 4, the electronic device 100 (or the electronic device 200) may be disposed on a surface (for example, an upper surface) of the substrate 400. In other words, the plane E1 is attached to the substrate 400, and the substrate 400 can be a glass substrate or a plastic substrate. The substrate 400 can be disposed in a mobile device, and the mobile device can be a functional mobile phone, a smart phone, or a tablet computer. In one embodiment, the substrate 400 can be further disposed on a panel module 410 to form a touch panel module. In another embodiment, the cover glass 300 may cover the electronic device 100 (or the electronic device 200) and the substrate 400.

The electronic device of the present invention includes a sensor circuit and an antenna disposed on the same plane. In addition, the electronic device of the present invention may further include a grounding element disposed between the sensor circuit and the antenna to prevent the antenna from being disturbed. The invention can be applied to various mobile devices with a touch panel, such as a mobile phone or a tablet computer, which can effectively save the antenna design space of the mobile device.

The present invention has been described above with reference to the preferred embodiments thereof, and is not intended to limit the scope of the present invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

100, 200. . . Electronic device

107. . . Sensor circuit

110. . . Mesh circuit

120. . . metal wires

121. . . Output

150. . . antenna

160. . . Grounding element

300. . . Protective glass

400. . . Substrate

410. . . Panel module

E1. . . flat

TP. . . Touch position

1 is a schematic view showing an electronic device according to an embodiment of the invention;

2 is a schematic view showing an electronic device according to another embodiment of the present invention;

3 is a schematic view showing an electronic device disposed on a cover glass according to an embodiment of the invention;

4 is a schematic view showing an electronic device disposed on a substrate or a panel module according to an embodiment of the invention.

100. . . Electronic device

107. . . Sensor circuit

110. . . Mesh circuit

120. . . metal wires

150. . . antenna

E1. . . flat

TP. . . Touch position

Claims (10)

An electronic device includes: a sensor circuit disposed on a plane, and comprising: a mesh circuit for detecting a touch position; and a plurality of metal lines coupled to the mesh circuit; and one day A line is disposed on the plane together with the sensor circuit and is configured to receive or transmit a signal. The electronic device of claim 1, further comprising: a grounding element disposed on the plane and substantially separating the sensor circuit from the antenna. The electronic device of claim 2, wherein the grounding member is made of silver. The electronic device of claim 2, wherein the grounding element is substantially U-shaped. The electronic device of claim 1, wherein the plane is attached to a cover glass. The electronic device of claim 1, wherein the plane is attached to a glass substrate or a plastic substrate. The electronic device of claim 1, wherein the mesh circuit is made of a transparent conductive material. The electronic device of claim 7, wherein the transparent conductive material is indium tin oxide. The electronic device of claim 1, wherein the metal wires are made of silver. The electronic device of claim 1, wherein the antenna is an inverted F antenna, a monopole antenna or a loop antenna.