TW201523361A - Touch panel and control method for antenna thereof - Google Patents

Abstract

A touch panel and a control method for antenna thereof are provided. The touch panel comprises a substrate, a sensing layer, an antenna and a plurality of signal transmitting traces. The substrate has a display area and a periphery area. The sensing layer is formed on the substrate and at least located within the display area. The signal transmitting traces are electrically connected to the sensing layer and located within the periphery area. The antenna is formed on the substrate and around the signal transmitting traces. The signal transmitting trace adjacent to the antenna and the antenna are not activated simultaneously.

Description

Touch panel and antenna signal control method thereof

The present invention relates to a touch panel and an antenna signal control method thereof, and more particularly to a touch panel having an antenna and an antenna signal control method thereof.

Conventional portable devices, such as touch display panels, mostly have wireless communication functions. Generally, the wireless signal is radiated from the portable device through the antenna provided on the circuit board or received from the external environment to the portable device. However, in general, the antenna is disposed on the circuit board, so the wireless signal is susceptible to the signal transmission of surrounding electronic components (such as a microprocessor, a quartz crystal oscillator, or a passive component), which in turn affects the transmission quality of the antenna signal.

The invention relates to a touch panel and a signal antenna signal control method thereof, which can reduce the negative influence of the antenna signal.

According to an embodiment of the invention, a touch panel is proposed. Touch panel and its antenna signal control method. The touch panel includes a substrate, a sensing layer, an antenna, and a plurality of signal transmission lines. The substrate has a display area and an edge area. Sensing layer is set at the base On the board and at least in the display area. The signal transmission line is electrically connected to the sensing layer and located in the edge area. The antenna is disposed on the substrate and surrounds the signal transmission line, wherein the signal transmission line adjacent to the antenna is activated when the antenna is not at the same time.

According to another embodiment of the present invention, an antenna signal control method is proposed. The antenna signal control method of the touch panel includes the following steps. A touch panel is provided, wherein the touch panel comprises a substrate, a sensing layer, an antenna and a plurality of signal transmission lines. The substrate has a display area and an edge area. The sensing layer is disposed on the substrate and at least in the display area. The signal transmission line is electrically connected to the sensing layer and located in the edge area. The antenna is disposed on the substrate and surrounds the signal transmission line; sequentially scanning the signal transmission lines; actuating the antenna; and not actuating when the actuation signal of the antenna overlaps with the actuation signal of at least one signal transmission line of the adjacent antenna antenna.

In order to provide a better understanding of the above and other aspects of the present invention, the following detailed description of the embodiments and the accompanying drawings

100, 200, 300, 400, 500‧‧‧ touch panels

110‧‧‧Substrate

110a‧‧‧ display area

110b‧‧‧Edge area

110b1‧‧‧First marginal zone

110b2‧‧‧Second marginal zone

120‧‧‧Soft circuit board

130‧‧‧Control unit

140, 540‧‧ ‧ sensing layer

141, 1411, 1412‧‧‧ first electrode column

142‧‧‧Second electrode column

543‧‧‧Scan electrode

544‧‧‧Induction electrodes

150‧‧‧Antenna

151‧‧‧first sub-antenna

152‧‧‧Second sub-antenna

160‧‧‧Signal receiving line

170‧‧‧Signal transmission line

171‧‧‧First signal transmission line

172‧‧‧second signal transmission line

173‧‧‧ Third signal transmission line

174‧‧‧fourth signal transmission line

175‧‧‧ fifth signal transmission line

176‧‧‧6th signal transmission line

177‧‧‧ seventh signal transmission line

178‧‧‧8th signal transmission line

170a‧‧‧first sub-signal transmission line

170b‧‧‧second sub-signal transmission line

480‧‧‧ signal cable

590‧‧‧ Grounding wire

D1‧‧‧ first direction

D2‧‧‧ second direction

W1‧‧‧Activity Area

FIG. 1A is a top view of a touch panel according to an embodiment of the invention.

FIG. 1B is a diagram showing an antenna signal control diagram of FIG. 1A.

FIG. 2 is a diagram showing another antenna signal control diagram of FIG. 1A.

FIG. 3A is a top view of a touch panel according to another embodiment of the present invention.

FIG. 3B is a diagram showing an antenna signal control diagram of FIG. 3A.

FIG. 4A is a top view of a touch panel according to another embodiment of the present invention.

FIG. 4B is a diagram showing an antenna signal control diagram according to FIG. 4A.

FIG. 5A is a top view of a touch panel according to another embodiment of the present invention.

FIG. 5B is a diagram showing an antenna signal control diagram of FIG. 5A.

FIG. 6A is a top view of a touch panel according to another embodiment of the present invention.

Figure 6B is a diagram showing the antenna signal control diagram of Figure 6A.

Please refer to FIG. 1A , which illustrates a top view of a touch panel according to an embodiment of the invention. The touch panel 100 includes a substrate 110, a flexible circuit board 120, a control unit 130, a sensing layer 140, an antenna 150, a plurality of signal receiving lines 160, and a plurality of signal transmission lines 170.

The substrate 110 is, for example, a plastic substrate or a glass substrate having a display region 110a and an edge region 110b. The flexible circuit board 120 is disposed on one side of the substrate 110 and electrically connected to the antenna 150, the signal receiving line 160, and the signal transmission line 170. The control unit 130 is disposed on the flexible circuit board 120. The control unit 130 is electrically connected to the sensing layer 140 and the antenna 150 to control the signal relationship between the antenna 150, the signal receiving line 160, and the signal transmission line 170. In another example, the control unit 130 can be disposed on components other than the flexible circuit board 120. However, the control unit 130 can control the signal relationship between the antenna 150, the signal receiving line 160, and the signal transmission line 170 through the flexible circuit board 120. The substrate of the present invention includes a substrate that is independent of the display or an element substrate that is integrated into the display. The former is, for example, an additional cover plate or a flexible substrate, wherein the cover plate is a hard substrate having high mechanical strength, such as tempered glass or a composite plastic substrate such as propylene carbonate (PC). And a composite substrate of polymethylmethacrylate (PMMA), and the flexible substrate is a plastic film substrate. The latter is, for example, a color filter substrate of a liquid crystal display, a package cover of an organic light emitting diode display, or the like, but is not limited thereto.

The sensing layer 140 is formed on the display area 110a of the substrate 110. The sensing layer 140 includes a plurality of first electrode columns 141 and a plurality of second electrode columns 142, wherein the first electrode array 141 extends in the first direction D1, and the second electrode array 142 extends in the second direction D2, thereby The electrode array 141 and the second electrode array 142 are staggered with each other, and the staggered portions are electrically insulated by a patterned insulating layer or an insulating layer having a via hole. The first direction D1 is, for example, the X-axis direction, and the second direction D2 is, for example, the Y-axis direction; in another example, the first direction D1 may be the Y-axis direction, and the second direction D2 may be the X-axis direction. The invention does not limit the structure of the sensing layer 140. In other embodiments, the sensing layer 140 may have a single layer structure, and the shape of the sensing layer 140 is not limited, for example, a grid pattern may be formed by patterning. The sensing layer 140 is composed of a transparent conductive material, a metal, a nanowire or a composite layer of the above materials, wherein the transparent conductive material comprises indium tin oxide (ITO), indium zinc oxide (IZO). Aluminium zinc oxide (AZO), and the metal includes at least one of silver (Ag), aluminum (Al), copper (Cu), chromium (Cr), titanium (Ti), and molybdenum (Mo). A composite layer of the above materials or an alloy of the above materials. For example, the composite layer is a three-layer stacked structure of Mo/Al-Nd/Mo or ITO/Ag/ITO, but is not limited thereto.

Antenna 150 can be applied to radio frequency (RFID) tags or near field passes News (NFC). The wireless signal can be radiated to the outside through the antenna 150 or received from the outside by the antenna 150. The antenna 150 includes a first sub-antenna 151 and a second sub-antenna 152 connected to each other, and is formed on the opposite first edge region 110b1 and the second edge region 110b2 of the substrate 110, respectively. The antenna 150 is half-closed and electrically connected to the control unit 130 by the flexible circuit board 120. The embodiment of the present invention does not limit the geometry of the antenna 150 as long as the wireless signal transmission is achievable. Antenna 150 may be constructed of a highly conductive metal such as copper, alloys thereof, or other suitable materials. Although the antenna 150 itself is opaque or poorly transmissive, since the antenna 150 is covered by a light shielding layer (not shown) defining the edge region 110b, the antenna 150 is not exposed from the appearance. The material of the light shielding layer may include ceramics, diamond-like carbon, organic materials, a mixture of organic materials and inorganic materials, an organic-inorganic hybrid compound or a composite laminate thereof, and may be a single layer structure, a multilayer stack structure or a plurality of materials of a single material. Multi-layer stacking of materials. In other embodiments, the plurality of first electrode arrays 141 and the plurality of second electrode arrays 142 are respectively formed on the two plastic film substrates, and a cover plate having a light shielding layer and the two plastic film substrates are sequentially stacked, wherein The antenna is disposed on the plastic film substrate adjacent to the cover plate. In another embodiment, the plurality of first electrode columns 141, the entire surface insulating layer, and the plurality of second electrode columns 142 are sequentially formed on the substrate 110, and the cover plate with the light shielding layer is disposed on the substrate 110.

The signal receiving line 160 is formed in a region surrounded by the antenna 150 and located in the edge region 110b. Each of the signal receiving lines 160 is connected to the corresponding second electrode array 142 and extends in the direction of the flexible circuit board 120 to be electrically connected to the control unit 130 by the flexible circuit board 120. In this example, the signal receiving line 160 is based on three examples. Note that there may be less than or more than three.

A signal transmission line 170 is formed in the edge region 110b and located in a region surrounded by the antenna 150. Each of the signal transmission lines 170 is connected to the corresponding first electrode array 141 and extends in the direction of the flexible circuit board 120 to be electrically connected to the control unit 130 by the flexible circuit board 120. The control unit 130 transmits a periodic scan signal to the signal transmission line 170 to sequentially scan the signal transmission line 170. When a touch point occurs, the received signal of the signal receiving line 160 changes, and the control unit 130 calculates the coordinates of the touch point.

The signal transmission lines 170 are respectively connected to the corresponding first electrode columns 141. In detail, the first signal transmission line 171 is connected to the uppermost first electrode column 1411, the second signal transmission line 172 is connected to the second electrode column 1412 adjacent to the first electrode column 1411, and so on. In the signal transmission lines 170, the m signal transmission lines 170 may be located in the first edge region 110b1, and the other n signal transmission lines 170 may be located in the second edge region 110b2, where m and n are positive integers equal to or greater than 2, respectively. . In another example, all of the signal transmission lines 170 are located in the first edge region 110b1 or the second edge region 110b2. The line layout of the signal transmission line 170 is determined according to actual needs, and is not limited in the embodiment of the present invention.

In this example, both m and n are illustrated by the value 4 as an example. In detail, the first signal transmission line 171, the second signal transmission line 172, the third signal transmission line 173, and the fourth signal transmission line 174 are formed in the first edge area 110b1, and the fifth signal transmission line 175 and the sixth signal are formed. A transmission line 176, a seventh signal transmission line 177, and an eighth signal transmission line 178 are formed in the second edge region 110b2. In another case, m and n can Is a positive integer less than or greater than 4, and the values of m and n may be the same or different.

Please refer to FIG. 1B, which shows the antenna signal control diagram of FIG. 1A. The control unit 130 transmits the scan signal to the signal transmission line 170 to sequentially scan the signal transmission lines 170. In Fig. 1B, the high level region of the periodic scan signal indicates that a signal is transmitted to the signal transmission line 170 (hereinafter referred to as "actuation"), and the low level region indicates a zero potential, such as a ground potential.

In the embodiment of the present invention, at least one signal transmission line 170 adjacent to the antenna 150 is not activated at the same time as the antenna 150. Specifically, when the actuation signal of the antenna 150 (eg, the high level region) overlaps with the actuation signal of the at least one signal transmission line 170 of the adjacent antenna 150, the antenna 150 is not actuated. For further example, in the m signal transmission lines located in the first edge region 110b1, when the x signal transmission lines 170 closest to the first sub-antenna 151 are actuated (such as a high level region), the control unit 130 does not actuate the antenna 150. (e.g., the low level area, when the antenna IC is in the off or sleep mode, for example), thereby reducing or avoiding the actuation signals of the x signal transmission lines 170 to negatively affect the signal quality of the antenna 150, where x is A value from 1 to (m-1). Taking x equal to 1 (the one closest to the first sub-antenna 151) as an example, when the first signal transmission line 171 (closest to the first sub-antenna 151) is actuated, the control unit 130 does not actuate the antenna 150, thereby reducing Or avoiding the actuation signal of the first signal transmission line 171 to negatively affect the signal quality of the antenna 150.

Similarly, in detail, in the n signal transmission lines located in the second edge region 110b2, when the y signal transmission line 170 closest to the second sub-antenna 152 is actuated, the control unit 130 does not actuate the antenna 150, and thus Reduce or avoid this The actuation signal of the y signal transmission line 170 negatively affects the signal quality of the antenna 150, where y is a value between 1 and (n-1). Taking y equal to 1 (the one closest to the second sub-antenna 152) as an example, when the fifth signal transmission line 175 (closest to the second sub-antenna 152) is actuated, the control unit 130 does not actuate the antenna 150, thereby reducing Or avoiding the actuation signal of the fifth signal transmission line 175 to negatively affect the signal quality of the antenna 150.

Please refer to FIG. 2, which illustrates another antenna signal control diagram of FIG. 1A. Taking x equal to 2 (two nearest to the first sub-antenna 151) as an example, the first signal transmission line 171 (closest to the first sub-antenna 151) and the second signal transmission line 172 (151 times from the first sub-antenna) When the actuation unit 130 is not actuated, the control unit 130 does not actuate the antenna 150, thereby reducing or avoiding that the actuation signals of the first signal transmission line 171 and the second signal transmission line 172 negatively affect the signal quality of the antenna 150; similarly, when When the fifth signal transmission line 175 (closest to the second sub-antenna 152) and the sixth signal transmission line 176 (close to the second sub-antenna 152 times) are actuated, the control unit 130 does not actuate the antenna 150, thereby reducing or avoiding the The actuation signals of the fifth signal transmission line 175 and the sixth signal transmission line 176 negatively affect the signal quality of the antenna 150.

The larger the value of x, the smaller the actuation area W1 (Fig. 2) of the antenna signal. The wider actuation zone W1 reduces the reaction time of the antenna 150 compared to the narrower actuation zone W1.

Please refer to FIG. 3A, which illustrates a top view of a touch panel according to another embodiment of the present invention. The touch panel 200 includes a substrate 110, a flexible circuit board 120, a control unit 130, a sensing layer 140, an antenna 150, a plurality of signal receiving lines 160, and a plurality of signal transmissions. Feed line 170. In this example, each of the signal transmission lines 170 includes a first sub-signal transmission line 170a and a second sub-signal transmission line 170b, wherein the first sub-signal transmission line 170a is connected to the first end of the corresponding first electrode column 141, and the first The two sub-signal transmission line 170b is connected to the second end of the corresponding first electrode column 141, wherein the second end is opposite to the first end to form a double routing. Since the signal transmission line 170 of the present example extends from the opposite ends of the first electrode array 141 to the edge region 110b, respectively, the impedance can be reduced. In this design, the touch panel 200 can be applied to a large-sized touch panel.

Please refer to FIG. 3B, which shows the antenna signal control diagram of FIG. 3A. The control unit 130 transmits the scan signal to the signal transmission line 170 to sequentially scan the signal transmission lines 170. Among the signal transmission lines 170, the first signal transmission line 171 is closest to the antenna (as shown in FIG. 3A). When the first signal transmission line 171 is actuated, the control unit 130 does not actuate the antenna 150, thereby reducing or avoiding that the actuation signal of the first signal transmission line 171 negatively affects the signal quality of the antenna 150.

Please refer to FIG. 4A, which illustrates a top view of a touch panel according to another embodiment of the present invention. The touch panel 300 includes a substrate 110, a flexible circuit board 120, a control unit 130, a sensing layer 140, an antenna 150, a plurality of signal receiving lines 160, and a plurality of signal transmission lines 170. In this example, among the signal transmission lines 170, the first signal transmission line 171, the third signal transmission line 173, the fifth signal transmission line 175, and the seventh signal transmission line 177 are formed in the first edge area 110b1, and the second The signal transmission line 172, the fourth signal transmission line 174, the sixth signal transmission line 176, and the eighth signal transmission line 178 are formed in the second edge area 110b2, wherein the first signal transmission line 171 is the signal closest to the first sub-antenna 151. a transmission line, and the second signal transmission line 172 is the most separated from the second sub-antenna 152 Near signal transmission line.

Please refer to FIG. 4B, which illustrates an antenna signal control diagram according to FIG. 4A. The control unit 130 transmits the scan signal to the signal transmission line 170 to sequentially scan the signal transmission lines 170. When the first signal transmission line 171 and the second signal transmission line 172 are actuated, the control unit 130 does not actuate the antenna 150, thereby reducing or avoiding the actuation signals of the first signal transmission line 171 and the second signal transmission line 172. It affects the signal quality of the antenna 150.

Please refer to FIG. 5A, which illustrates a top view of a touch panel according to another embodiment of the present invention. The touch panel 400 includes a substrate 110, a flexible circuit board 120, a control unit 130, a sensing layer 140, an antenna 150, a plurality of signal receiving lines 160, a plurality of signal transmission lines 170, and a signal connection line 480.

In this example, among the signal transmission lines 170, the first signal transmission line 171, the second signal transmission line 172, the third signal transmission line 173, and the fourth signal transmission line 174 are formed in the first edge area 110b1, and the fifth The signal transmission line 175, the sixth signal transmission line 176, the seventh signal transmission line 177, and the eighth signal transmission line 178 are formed in the second edge region 110b2. The signal connection line 480 is connected to the first signal transmission line 171 and the fifth signal transmission line 175 to electrically connect the first signal transmission line 171 and the fifth signal transmission line 175.

Please refer to FIG. 5B, which shows the antenna signal control diagram of FIG. 5A. The control unit 130 transmits the scan signal to the signal transmission line 170 to sequentially scan the signal transmission lines 170. Since the first signal transmission line 171 and the fifth signal transmission line 175 are electrically connected through the signal connection line 480, the first signal transmission line 171 When any one of the fifth signal transmission lines 175 is actuated, the control unit 130 does not actuate the antenna 150, thereby reducing or avoiding the actuation signals of the first signal transmission line 171 and the fifth signal transmission line 175 from adversely affecting the antenna 150. Signal quality.

Please refer to FIG. 6A, which illustrates a top view of a touch panel according to another embodiment of the present invention. The touch panel 500 is, for example, a single layer (OLS) touch panel, and includes a substrate 110, a flexible circuit board 120, a control unit 130, a sensing layer 540, an antenna 150, a plurality of signal receiving lines 160, and a plurality of Signal transmission line 170 and ground line 590.

The sensing layer 540 includes a plurality of scanning electrodes 543 and a plurality of sensing electrodes 544. The scan electrodes extend in the second direction D2 and are formed in the display region 110a of the substrate 110, and the sensing electrodes 544 are distributed on one side of the scan electrodes 543 in the second direction D2. Each of the signal transmission lines 170 extends from the corresponding scan electrode 543 to the edge region 110b, and each of the signal receiving lines 160 extends from the corresponding sensing electrode 544 to the edge region 110b. In this example, the fourth signal transmission line 174 and the second sub-antenna 152 are separated by a plurality of signal receiving lines 160, thereby widening the distance between the fourth signal transmission line 174 and the second sub-antenna 152, thereby reducing or even avoiding the fourth. The actuation signal of the signal transmission line 174 negatively affects the antenna signal.

The grounding line 590 is formed on the substrate 110 and located between the signal receiving line 160' closest to the second sub-antenna 152 and the antenna 150 to shield the signal receiving line 160' from the antenna 150 from electromagnetic interference with each other. In addition, the ground line 590 can be grounded through the flexible circuit board 120. The length of the ground line 590 preferably, but not limited to, covers the overlap of the nearest signal receiving line 160' with the antenna 150 to maximize or maximize the range. Electromagnetic shielding effect. In other embodiments, the ground line 590 can also be designed to surround the antenna 150 to prevent external noise from interfering with the antenna 150.

Please refer to FIG. 6B, which shows the antenna signal control diagram of FIG. 6A. The control unit 130 transmits the scan signal to the signal transmission line 170 to sequentially scan the signal transmission lines 170. When the first signal transmission line 171 (closest to the first sub-antenna 151) is actuated, the control unit 130 does not actuate the antenna 150, thereby reducing or avoiding that the actuation signal of the first signal transmission line 171 negatively affects the antenna 150. Signal quality.

In conclusion, the present invention has been disclosed in the above embodiments, but it is not intended to limit the present invention. A person skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.

100‧‧‧ touch panel

110‧‧‧Substrate

110a‧‧‧ display area

110b‧‧‧Edge area

110b1‧‧‧First marginal zone

110b2‧‧‧Second marginal zone

120‧‧‧Soft circuit board

130‧‧‧Control unit

140‧‧‧Sense layer

141, 1411, 1412‧‧‧ first electrode column

142‧‧‧Second electrode column

150‧‧‧Antenna

151‧‧‧first sub-antenna

152‧‧‧Second sub-antenna

160‧‧‧Signal receiving line

170‧‧‧Signal transmission line

171‧‧‧First signal transmission line

172‧‧‧second signal transmission line

173‧‧‧ Third signal transmission line

174‧‧‧fourth signal transmission line

175‧‧‧ fifth signal transmission line

176‧‧‧6th signal transmission line

177‧‧‧ seventh signal transmission line

178‧‧‧8th signal transmission line

D1‧‧‧ first direction

D2‧‧‧ second direction

Claims (14)

A touch panel includes: a substrate having a display area and an edge area; a sensing layer disposed on the substrate and located at least in the display area; and a plurality of signal transmission lines electrically connected to the sensing layer And located in the edge region; and an antenna disposed on the substrate and surrounding the signal transmission lines, wherein the at least one signal transmission line adjacent to the antenna is not activated at the same time as the antenna. The touch panel of claim 1, wherein the edge region comprises a first edge region and a second edge region, and the antenna comprises: a first sub-antenna located in the first edge region And a second sub-antenna located in the second edge region; wherein the signal transmission line adjacent to the first sub-antenna is activated when the signal transmission line is different from the first sub-antenna, and the signal adjacent to the second sub-antenna The transmission line is activated when it is different from the second sub-antenna. The touch panel of claim 2, further comprising: a signal connection line connecting the signal transmission line adjacent to the first sub-antenna and the signal transmission line adjacent to the second sub-antenna. The touch panel of claim 1, wherein the sensing layer package The plurality of first electrode columns are disposed on the substrate along a first direction; and the plurality of second electrode columns are disposed on the substrate along a second direction and interlaced with the first electrode columns Arranging, the first direction is perpendicular to the second direction; wherein each of the signal transmission lines is connected to the corresponding first electrode column, and the touch panel further comprises a plurality of signal receiving lines, and each of the signal receiving lines is connected Corresponding to the second electrode column. The touch panel of claim 4, wherein each of the signal transmission lines comprises: a first sub-signal transmission line connecting a first end of the first electrode column; and a second sub-signal And a transmission line connecting a second end of the corresponding first electrode column, the second end being opposite to the first end. The touch panel of claim 1, wherein the sensing layer comprises: a plurality of scanning electrodes extending in a direction and formed in the display area of the substrate; and a plurality of sensing electrodes distributed along the direction One of the scan electrodes; wherein each of the signal transmission lines is connected to the corresponding scan electrode, and the touch panel further includes a plurality of signal receiving lines, wherein the signal receiving lines are connected to the corresponding ones Induction electrode. The touch panel of claim 6, further comprising a grounding wire disposed on the substrate and located between the signal receiving line closest to the antenna and the antenna. The touch panel of claim 1, wherein the antenna is a semi-closed shape. The touch panel of claim 1, further comprising a control unit electrically connected to the sensing layer and the antenna. The touch panel of claim 1, wherein the antenna is a radio frequency tag antenna or a near field communication antenna. An antenna signal control method for a touch panel, comprising: providing a touch panel as described in claim 1; scanning the signal transmission lines in sequence; actuating the antenna; and actuating the antenna The antenna is not actuated when it overlaps with an actuation signal of the at least one signal transmission line adjacent to the antenna. The antenna signal control method according to claim 11, wherein the edge region includes a first edge region and a second edge region, and the antenna includes a first sub-antenna located in the first edge region. And the second sub-antenna located in the second edge region, the antenna signal control method further includes: when the actuation signal of the antenna overlaps with the actuation signal of the signal transmission line adjacent to the first sub-antenna, The antenna is activated; and when the actuation signal of the antenna overlaps with the actuation signal of the signal transmission line adjacent to the second sub-antenna, the antenna is not actuated. The antenna signal control method of claim 12, further comprising: providing a signal connection line, connecting the signal transmission line adjacent to the first sub-antenna and the signal transmission line adjacent to the second sub-antenna . The antenna signal control method of claim 11, further comprising: providing a control unit electrically connected to the sensing layer and the antenna.