TWI535358B - Cover plate and electronic device - Google Patents

Description

Cover plate and electronic device

The present invention relates to a cover plate and an electronic device, and more particularly to a cover plate for venting static electricity and a narrow-edge electronic device.

At present, there are quite a lot of touch products on the market, such as smart phones or tablets. When the user operates such a touch product, since the human body is more or less electrostatically charged, the electrostatic charge carried on the body is transmitted to the touch panel via the finger, thereby causing electrostatic discharge (Electro-Static Discharge, The phenomenon of ESD). Electrostatic current generated by electrostatic discharge may be transmitted to the transmission line of the touch panel, which may cause damage to these transmission lines.

One way to avoid damage to the touch panel from electrostatic discharge is to place a ground wire next to the transmission line. In detail, FIG. 1 is a schematic diagram of a conventional electronic device. Referring to FIG. 1 , the conventional electronic device 10 has a touch panel 12 , and a portion of the decorative layer 14 is hidden in FIG. 1 to expose a portion of the peripheral line 16 of the touch panel 12 . As shown in FIG. 1, the peripheral line 16 of the touch panel 12 includes a plurality of transmission lines 18 and a ring-shaped ground line 19 having a width outside the transmission lines 18. The ring grounding wire 19 is used to vent static electricity to avoid the electronic device 10 Damaged by electrostatic discharge. However, such a touch panel 12 needs to have a certain width in the decorative layer 14 of the peripheral region 16 to shield the peripheral line 16 described above, and it is difficult to achieve a narrow-edge design.

The present invention provides a cover having an effect of venting static electricity.

The present invention provides an electronic device capable of avoiding a situation of electrostatic discharge and which can be a narrow-sided electronic device.

A cover plate of the present invention is used in an electronic device. The cover plate includes a plate body and a conductive layer. The plate body has opposite surfaces and a side surface connected between the two surfaces. The conductive layer is disposed on a side of the board and electrically connected to a ground end of the electronic device.

An electronic device of the present invention includes a cover and a body. The cover plate includes a plate body and a conductive layer, wherein the plate body has opposite surfaces and a side surface connected between the two surfaces. The conductive layer is disposed on the side of the plate body and electrically connected to a ground end of the electronic device. . The body is disposed in the electronic device and electrically connected to the conductive layer.

Based on the above, the cover plate of the present invention is disposed on the side of the board body to be electrically connected to the body of the electronic device. When the user operates the electronic device, the static electricity on the finger can flow along the conductive layer of the cover plate. The body avoids the situation of electrostatic discharge. In addition, in the present invention, the conductive layer disposed on the side of the board body replaces the ring grounding line of the conventional touch panel, and the width of the decorative layer of the touch panel only needs to shield the transmission line, thereby enabling the electronic device to achieve narrow edge. design.

The above described features and advantages of the invention will be apparent from the following description.

10‧‧‧Skilled electronic devices

12‧‧‧ Trackpad

14‧‧‧Decorative layer

16‧‧‧ peripheral lines

18‧‧‧ Transmission lines

19‧‧‧Circular grounding wire

100, 200, 400, 500‧‧‧ electronic devices

110, 210, 310, 410, 510‧ ‧ cover

112, 412, 512‧‧‧ board

114, 514‧‧‧ surface

116, 416, 516‧‧‧ side

118, 218, 318, 418, 518‧‧‧ conductive layer

120, 220‧‧‧ touch display module

121‧‧‧ touch layer

122‧‧‧Decorative layer

124‧‧‧First conductive element

126‧‧‧Second conductive element

128‧‧‧ Transmission lines

130, 230, 330, 430, 530‧‧‧ conductive parts

140, 240, 340, 440, 540‧‧‧ frames

150, 450, 550‧‧‧ body

242‧‧‧Part I

244‧‧‧Part II

422‧‧‧Touch Module

424, 524‧‧‧ display module

519‧‧‧Touch layer

1 is a schematic diagram of a conventional electronic device.

2A is a schematic diagram of an electronic device in accordance with an embodiment of the present invention.

2B is a schematic cross-sectional view of the A-A line segment of the electronic device of FIG. 2A.

3 is a schematic view of the electronic device of FIG. 2A hiding a cover plate and a conductive member.

4 is a partial cross-sectional view of an electronic device in accordance with another embodiment of the present invention.

FIG. 5 is a schematic diagram of an electronic device in accordance with another embodiment of the present invention.

6 is a cross-sectional view of an electronic device in accordance with another embodiment of the present invention.

FIG. 7 is a cross-sectional view of an electronic device in accordance with another embodiment of the present invention.

2A is a schematic diagram of an electronic device in accordance with an embodiment of the present invention. 2B is a schematic cross-sectional view of the A-A line segment of the electronic device of FIG. 2A. Referring to FIG. 2A and FIG. 2B , the electronic device 100 of the present embodiment includes a cover 110 , a touch display module 120 , a conductive member 130 , a frame 140 , and a body 150 . Cover plate 110 The cover 110 is a glass protective cover or a transparent protective cover. However, the type of the cover 110 is not limited thereto. A touch layer 121 is embedded in the touch display module 120. The body 150 is disposed on one side of the touch display module 120 and includes components such as a circuit board, a processing unit, a storage medium, and a power module. The frame 140 surrounds the cover. 110 and touch display module 120. In detail, the touch layer 121 is an in-cell touch panel, and the touch module is embedded in the display module. The embedded method includes two forms: In-cell and On-cell.

It should be noted that, since the cover 110 of the embodiment is a transparent cover, in fact, if the user sees from the front of the electronic device 100 (that is, the perspective of FIG. 2A), the cover 110 can be penetrated and directly viewed. To the touch display module 120, however, in FIG. 2A, the relationship between the cover 110, the conductive member 130 and the frame 140 is mainly emphasized, and the difficulty in reading is avoided in order to avoid line confusion, specifically from FIG. 2A. The touch display module 120 is hidden in the viewing angle. The touch display module 120 will be further described below in FIG.

As shown in FIG. 2A and FIG. 2B, the cover plate 110 includes a plate body 112 and a conductive layer 118. The plate body 112 has opposite surfaces 114 and a side 116 connected between the two surfaces 114. The conductive layer 118 is disposed on the side 116 of the board 112, and the conductive layer 118 is a complete ring shape. In the embodiment, the material of the frame 140 is metal, and the conductive layer 118 is electrically connected to the frame 140 through the conductive member 130. In this embodiment, the conductive layer 118 is formed by curing a conductive paste. In actual assembly, after the touch display module 120 and the cover 110 are placed in the frame 140, the conductive adhesive is inserted into the gap between the conductive layer 118 and the frame 140. After the conductive paste is cured, the conductive layer 118 is provided. With frame In addition to the function of conducting between 140, the effect of fixing the cover 110 and the frame 140 can also be provided. In other embodiments, the conductive layer 118 may be formed on the side 116 of the board 112 by other methods such as coating, spraying, plating, or injection molding. Of course, the manner in which the conductive layer 118 is formed is not limited thereto.

In other embodiments, the conductive layer 118 may also not surround the board 112. For example, if the edge of the display module abuts the conductive member 130, or the board 112 is less afraid of static electricity in certain parts, the conductive layer 118 may not be disposed beside the portion of the board 112.

In addition, in the embodiment, the conductive member 130 includes a conductive rubber, but the type of the conductive member 130 is not limited thereto. The cover 110 of the electronic device 100 of the present embodiment is configured to be electrically connected to the side surface 116 of the board 112 to be electrically connected to the frame 140. Since the electrostatic charge easily flows to the gap between the cover 110 and the frame 140, When the user operates the electronic device 100, the static electricity on the finger can flow along the conductive layer 118 of the cover 110 to the frame 140, and the frame 140 is grounded to the body 150 of the electronic device 100 (for example, the circuit board in the body 150). The circuit board serves as a grounding end of the electronic device 100, and the static electricity is separated by the path to avoid the occurrence of electrostatic discharge and damage to the electronic device 100. In addition, the electronic device 100 of the present embodiment replaces the conductive layer 118 disposed on the side 116 of the board 112 and the frame 140 that is conductive to the conductive layer 118 to replace the ring ground line 19 on the conventional touch panel 12, in other words, in other words The touch display module 120 of the present embodiment does not need to provide a ring grounding wire outside the transmission line 128. Therefore, the width of the decorative layer 122 on the touch display module 120 for shielding the transmission line 128 can be reduced. Making the electronic device 100 capable of narrowing the edge meter. Of course, in other embodiments, the conductive member 130 can also be directly electrically connected to the circuit board of the electronic device 100. The conductive member 130 does not necessarily need to be connected to the frame 140 first.

In addition, in other embodiments, the conductive member 130 can also provide only the conductive function between the conductive layer 118 of the cover 110 and the frame 140. The conductive member 130 can also be a metal or other conductive material, for example. The type of 130 is not limited by this. Alternatively, the conductive layer 118 may also be thickened in a localized region such that the thickened portion of the conductive layer 118 is in direct contact with the frame 140 without being conducted through the additional conductive member 130.

3 is a schematic view of the electronic device of FIG. 2A hiding a cover plate and a conductive member. Referring to FIG. 3 again, in order to clearly show the components of the touch display module 120, the cover 110 located above the touch display module 120 is intentionally hidden in FIG. In addition, FIG. 3 also hides a portion of the decorative layer 122 of the touch display module 120 to expose a portion of the peripheral transmission line 128.

The touch display module 120 of the present embodiment includes a plurality of first conductive elements 124, a plurality of second conductive elements 126, and a plurality of transmission lines 128 located at the periphery. The first conductive element 124 and the second conductive element 126 are vertically disposed and insulated from each other. The first conductive elements 124 are connected to a portion of the transmission line 128, and the second conductive elements 126 are connected to another portion of the transmission line 128. In this embodiment, a conductive object (eg, a finger) can touch the outer surface of the cover 110 to perform a touch operation on the touch display module 120, and the electrostatic charge on the finger can be from the conductive layer 118 on the periphery of the cover 110. The conductive member 130 is transferred to the frame 140 to avoid the occurrence of electrostatic discharge and damage to the electronic device 100.

Moreover, in other embodiments, the position of the conductive member 130 in the gap between the conductive layer 118 and the frame 140 is not limited to the above. In addition, since the frame 140 may also be only a partial area of metal, for example, the frame 140 is formed by metal and plastic injection molding. Therefore, the position of the conductive member 130 can be changed according to the configuration of the material of the frame 140, and the conductive layer 118 of the cover 110 is connected to the metal material region of the frame 140 by the conductive member 130.

In detail, FIG. 4 is a partial cross-sectional view of an electronic device in accordance with another embodiment of the present invention. Referring to FIG. 4 , in the embodiment, the frame 240 includes a first portion 242 and a second portion 244 . The first portion 242 is made of metal and the second portion 244 is made of plastic. In the present embodiment, although the conductive member 230 contacts the first portion 242 and the second portion 244 of the frame 240, the conductive layer 218 is only electrically connected to the first portion 242 of the frame 240. When the electronic device 200 is assembled, the conductive adhesive may be spotted on the frame 240 at a specific position corresponding to the conductive layer 218, and then loaded into the touch display module 220 and the cover 210. Of course, the assembly order of the electronic device 200 is not limited to the above.

In addition, it should be noted that, in the foregoing embodiment, the conductive members 130, 230 are disposed in a full circle in the gap between the cover plates 110, 210 and the frames 140, 240, but the conductive members 130, The conductive members 130 and 218 are not required to be in the form of a full circle, and the present invention is not limited thereto. FIG. 5 is a schematic diagram of an electronic device in accordance with another embodiment of the present invention. Referring to FIG. 5, in the embodiment, the conductive member 330 is only located in a block of the gap between the cover plate 310 and the frame 340 on the drawing, but the cover 310 The conductive layer 318 can still pass through the conductive member 330 to conduct to the frame 340 to achieve the effect of venting electrostatic charge.

The above embodiments are only examples of an electronic device having a touch function. The following electronic devices with touch functions can also vent static electricity through the cover and the frame in the same or similar manner. Charge.

6 is a cross-sectional view of an electronic device in accordance with another embodiment of the present invention. Referring to FIG. 6 , in the embodiment, the electronic device 400 includes a cover 410 , a touch module 422 , a display module 424 , a conductive member 430 , a frame 440 , and a body 450 . The touch module 422 is disposed between the cover 410 and the display module 424 , and the frame 440 surrounds the cover 410 , the touch module 422 , and the display module 424 . The body 450 is disposed on one side of the display module 424. In this embodiment, although the component for performing the touch function is different from the previous embodiment, the electronic device 400 can still contact the conductive member 420 by the conductive layer 418 disposed on the side 416 of the board 412, and the conductive member The 430 contacts the frame 440 such that the conductive layer 418 is conducted to the frame 440. Therefore, when the user operates the electronic device 400, the static electricity on the finger can flow along the conductive layer 418 of the cover 410 to the frame 440, and then to the ground end of the body 450, thereby avoiding electrostatic discharge and damaging the electronic device. The status of 400.

FIG. 7 is a cross-sectional view of an electronic device in accordance with another embodiment of the present invention. Referring to FIG. 7 , in the embodiment, the electronic device 500 includes a cover 510 , a display module 524 , a conductive member 530 , a frame 540 , and a body 550 . The cover 510 includes a plate 512 , a conductive layer 518 , and a touch layer 519 . The plate 512 has opposite surfaces 514 and a side 516 connected between the two surfaces 514. The electrical layer 518 is disposed on the side 516 of the board 510. The touch layer 519 is disposed on one surface 514 of the board 510 , and the touch layer 519 and the cover 510 form a touch module 522 . The touch module 522 is disposed on one side of the display module 524 , and the body 550 is located on the other side of the display module 524 . The frame 540 surrounds the cover 510 and the display module 524. Similarly, in the embodiment, although the component for performing the touch function is different from the previous embodiment, the electronic device 500 is also in contact with the conductive member 530 by the conductive layer 518 disposed on the side 516 of the board 510, and The conductive member 530 contacts the frame 540 such that the conductive layer 518 is electrically connected to the frame 540. In detail, the cover 510 of the embodiment may be a one-piece glass touch panel (One Glass Solution, OGS) or (Touch on Lens, TOL), and the touch sensor is directly formed on the protective glass, so that It is integrated into a single piece of glass to reduce overall thickness.

In summary, the cover plate of the present invention is disposed on the side surface of the board body to be electrically connected to the frame of the electronic device, and the static electricity easily flows to the gap between the cover plate and the frame body, and the user operates the electronic device. When the device is installed, the static electricity on the finger can flow along the conductive layer of the cover plate to the frame body, and then to the ground end on the body to avoid the situation that the static electricity damages the electronic device. In addition, the present invention replaces the conductive layer disposed on the side of the board body and the frame that is connected to the conductive layer to replace the ring grounding line of the conventional touch panel, and the width of the decorative layer of the touch panel only needs to shield the transmission line, and can The electronic device is designed to achieve a narrow side.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of protection of the present invention This is subject to the definition of the scope of the patent application.

100‧‧‧Electronic devices

110‧‧‧ cover

112‧‧‧ board

114‧‧‧ surface

116‧‧‧ side

118‧‧‧ Conductive layer

120‧‧‧Touch display module

121‧‧‧ touch layer

130‧‧‧Electrical parts

140‧‧‧ frame

150‧‧‧ body

Claims (9)

A cover plate for an electronic device, the cover plate comprising: a plate body having opposite surfaces and a side surface connected between the two surfaces; and a conductive layer disposed on the side surface of the plate body The conductive layer is electrically connected to a ground end of the electronic device, wherein the conductive layer surrounds the plate body, and the conductive layer is a complete ring shape. The cover plate of claim 1, wherein the electronic device comprises a frame surrounding the cover plate and electrically connected to the conductive layer. The cover plate of claim 2, wherein the frame is connected to the ground end of the electronic device, and when the electronic device is operated, static electricity flows along the conductive layer of the cover plate through the frame The ground terminal. The cover plate of claim 1, wherein the electronic device further comprises a conductive member, and the conductive layer is electrically connected to the electronic device by the conductive article. The cover plate of claim 4, wherein the conductive member is cured by a conductive paste. The cover plate of claim 4, wherein the conductive member comprises a conductive rubber. The cover device of the first aspect of the invention, wherein the electronic device further comprises a display module and a touch module, the cover plate being disposed on the touch module and the display module. The cover plate of claim 1, wherein the conductive layer comprises a conductive material, and the conductive layer is formed on the side of the plate by spraying, coating, plating or injection molding. An electronic device comprising: a cover plate according to claim 1; and a body disposed in the electronic device and electrically connected to the conductive layer.