CN210348449U

CN210348449U - Display module and electronic equipment

Info

Publication number: CN210348449U
Application number: CN201921848357.XU
Authority: CN
Inventors: 马荣杰; 黄奂衢; 简宪静; 邾志民
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-04-17
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to the technical field of communication, a display module and electronic equipment are provided, the display module comprises a first substrate, and a touch area and a touch blind area are arranged on the first substrate; the touch control area is provided with a touch control sensor, the touch control blind area is provided with an antenna array, and the touch control sensor and the antenna array are arranged in an insulating mode. The embodiment of the utility model provides a display module assembly is provided with antenna array and touch sensor simultaneously, and can improve the touch sensitivity of screen.

Description

Display module and electronic equipment

Technical Field

The utility model relates to a communication equipment technical field especially relates to a display module assembly and electronic equipment.

Background

With the development of wireless communication technology, especially with the coming commercial use of 5G, the application scenarios of wireless communication systems are becoming more and more abundant, so that the requirement for an antenna, which is one of the key components of the wireless communication system, is becoming higher and higher.

Millimeter wave antennas for electronic devices are highly favored because of their high transmission speeds. Currently, the mainstream on-screen antenna scheme is to additionally add an antenna layer in the screen stack, and the millimeter wave antenna is usually disposed above the touch layer of the screen of the electronic device, so as to cover the touch layer disposed on the screen, thereby reducing the touch sensitivity of the screen.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a display module assembly and electronic equipment to solve among the prior art on-screen antenna array and set up in the touch-control layer top of electronic equipment screen usually, can cover and set up in the touch-control layer of screen, thereby reduce the problem of the touch-control sensitivity of screen.

In order to solve the above technical problem, the embodiment of the present invention is implemented as follows:

in a first aspect, an embodiment of the present invention provides a display module applied to an electronic device, including a first substrate, where a touch area and a touch blind area are disposed on the first substrate;

the touch control area is provided with a touch control sensor, the touch control blind area is provided with an antenna array, and the touch control sensor and the antenna array are arranged in an insulating mode.

In a second aspect, an embodiment of the present invention provides an electronic device, including a display module according to the first aspect.

The display module of the embodiment of the utility model comprises a first substrate, wherein a touch area and a touch blind area are arranged on the first substrate; the touch control area is provided with a touch control sensor, the touch control blind area is provided with an antenna array, and the touch control sensor and the antenna array are arranged in an insulating mode. Therefore, the antenna array does not cover the touch sensor, is positioned in the touch blind area, and can improve the touch sensitivity of the screen compared with the case that the antenna array is arranged on the touch sensor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of a display module according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of A in FIG. 2;

fig. 4 is a third schematic structural diagram of a display module according to an embodiment of the present invention;

fig. 5 is a fourth schematic structural diagram of a display module according to an embodiment of the present invention;

fig. 6 is a fifth schematic structural view of a display module according to an embodiment of the present invention;

fig. 7 is a sixth schematic structural view of a display module according to an embodiment of the present invention;

fig. 8 is a seventh schematic structural diagram of a display module according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present invention, where the display module is applied to an electronic device, as shown in fig. 1, the display module includes a first substrate 1, and a touch area 2 and a touch blind area 3 are disposed on the first substrate 1;

as shown in fig. 2 and 3, the touch area 2 is provided with a touch sensor 4, the touch blind area 3 is provided with an antenna array 5, and the touch sensor 4 and the antenna array 5 are arranged in an insulated manner.

Wherein, the electronic equipment display screen can include display module assembly, and display module assembly's laminated structure can include: the screen cover plate, the bonding layer, the polaroid, the first substrate, the second substrate and the foam are sequentially stacked. The display screen can be a water drop screen or can be a screen with various forms such as a hole digging screen. The first substrate 1 may be a glass substrate, but in practical applications, other transparent substrates made of non-metallic materials may also be used. The touch blind area 3 may be an area where a user does not substantially perform a touch operation, and the touch blind area 3 may be disposed at an upper end or a lower end of the first substrate 1, where the upper end and the lower end of the first substrate 1 are relative to an overall structure of the electronic device, generally, a front camera is disposed at the upper end of the electronic device, and a microphone is disposed at the lower end of the electronic device. Under the condition that touch blind area 3 sets up the upper end at first base plate 1, touch blind area 3 can be the top that is located electronic equipment, and this is regional through being used for showing signal strip, battery power, earphone icon and alarm clock icon etc. and the user is difficult to carry out accurate operation to this region.

In addition, the area of the first substrate 1 except the touch blind area 3 may be a touch area 2, and the touch area 2 is provided with a touch sensor 4, as shown in fig. 3, the touch sensor 4 may be ITO (Indium tin oxide) conductive glass 19, and in practical applications, other touch sensors may be adopted to implement a touch function. Taking the touch sensor 4 as an ITO conductive glass 19 as an example, as shown in fig. 3, the ITO in the touch area 2 may be divided into horizontal blocks and vertical blocks by etching lines 20, insulation areas may be disposed between the horizontal blocks, the horizontal blocks may be connected in series by jumper lines, and the horizontal blocks and the vertical blocks are connected in series, so as to realize the touch function of the touch area 2.

It should be understood that the width of the touch blind area 3 may be set according to actual needs, for example, in the present embodiment, the antenna array 5 may be set in an area with a width within 1 mm. The frequency of the beam received and transmitted by the antenna array 5 can be set according to actual needs, for example, in the embodiment of the present invention, the frequency received and transmitted by the antenna array 5 can be 60G. It should be noted that, depending on the wavelength, the antenna array 5 may be referred to as a millimeter wave antenna array. The antenna array 5 may include patch antenna elements, or the antenna array 5 may include yagi antennas, and the embodiment of the present invention is not limited to the specific representation form of the antenna array 5.

In addition, the touch sensor 4 and the antenna array 5 are arranged in an insulating manner, and an isolation region may be provided between the touch sensor 4 and the antenna array 5, and the isolation region is not conductive. Taking the touch sensor 4 as ITO conductive glass 19 as an example, the touch area 2 and the touch blind area 3 may cover the surface of the first substrate 1, the ITO pattern is disposed in the entire touch area, the patch antenna array is etched in the touch blind area 3, the area where the patch antenna array is etched may be an antenna array area, and the connection between the antenna array area and the touch area 2 is split, so that the touch sensor 4 and the antenna array 5 are disposed in an insulating manner. The patch antenna array is etched in the touch blind area 3, an antenna module does not need to be arranged independently, and the space is effectively saved. As shown in fig. 3, the antenna array 5 and the feeder 12 in the antenna array region may be made of ITO conductive material, and the region outside the antenna array 5 and the feeder 12 in the antenna array region may be hollow, or may not contain conductive material, so as to further insulate the touch sensor 4 from the antenna array 5.

The electronic device may include: at least one of a cell phone, a tablet, an e-book reader, an MP3 player, an MP4 player, a digital camera, a laptop, a car computer, a desktop computer, a set-top box, a smart tv, a wearable device.

The display module of the embodiment of the utility model comprises a first substrate 1, wherein a touch area 2 and a touch blind area 3 are arranged on the first substrate 1; the touch area 2 is provided with a touch sensor 4, the touch blind area 3 is provided with an antenna array 5, and the touch sensor 4 and the antenna array 5 are arranged in an insulating manner. In this way, the antenna array 5 does not cover the touch sensor 4, and the antenna array 5 is located in the touch blind area 3, so that the touch sensitivity of the screen can be improved compared with the case where the antenna array 5 is disposed on the touch sensor 4.

Optionally, as shown in fig. 4, there are two touch blind areas 3, and the two touch blind areas are located at two opposite ends of the first substrate 1.

The two touch blind areas may be a first touch blind area and a second touch blind area, the first touch blind area may be located at the upper end of the first substrate 1, and the second touch blind area may be located at the lower end of the first substrate 1. The structures of the two touch blind areas can be consistent, and only the positions are different. The first antenna array may be disposed in the first touch blind area, and the second antenna array may be disposed in the second touch blind area.

It should be noted that the screen of the electronic device may have two use states, a horizontal screen use state and a vertical screen use state. For an operator, under the condition that the screen of the electronic device is in a vertical screen use state, the first touch blind area may be located at the upper end of the screen, and the second touch blind area may be located at the lower end of the screen. Under the condition that the screen of the electronic equipment is in a transverse screen use state, the first touch blind area can be located at the left end of the screen, and the second touch blind area can be located at the right end of the screen. When the screen of the electronic device is in a cross screen use state, a situation that one of the first antenna array or the second antenna array is blocked by a user may occur, and when any one of the first antenna array or the second antenna array is blocked, the antenna array which is not blocked can be automatically switched to be used.

In this embodiment, there are two touch blind areas 3, and the two touch blind areas are located at two opposite ends of the first substrate 1. Therefore, the first antenna array and the second antenna array can be switched to use, so that the antenna array is suitable for more use scenes, the space coverage range of the antenna array is improved, and the quality of wireless communication is improved.

Optionally, as shown in fig. 5, the display module further includes a flexible circuit board 6, a hot pressing position is disposed on the flexible circuit board 6, and the touch sensor 4 and the antenna array 5 are electrically connected to the flexible circuit board 6 through the hot pressing position.

The hot pressing position may include one or more connection points, and the hot pressing position may be a touch hot pressing position. The flexible circuit board 6 can be attached to the first substrate 1, the antenna array 5 can be electrically connected to the flexible circuit board 6 based on the hot-pressing position, the antenna array 5 can be connected to the hot-pressing position through a connecting wire, and the antenna array is led out through the flexible circuit board 6 after hot pressing. The flexible circuit board 6 may include at least two layers, and the connection line of the touch sensor 4 and the connection line of the antenna array 5 may be located on different layers of the flexible circuit when the touch sensor 4 and the antenna array 5 are both connected to the flexible circuit board 6 through the same connection point. The touch sensor 4 and the antenna array 5 may also be connected to the flexible circuit board 6 through different connection points.

In this embodiment, the touch sensor 4 and the antenna array 5 are both electrically connected to the flexible circuit board 6 through the hot pressing position, and compared with the case where the touch sensor 4 and the antenna array 5 are respectively connected through different flexible circuit boards 6, the space can be effectively saved, which is beneficial to the miniaturization design of the electronic device.

Optionally, as shown in fig. 5, the display module further includes a radio frequency integrated circuit 7, and the radio frequency integrated circuit 7 is disposed on the flexible circuit board 6 and electrically connected to the antenna array 5 through the flexible circuit board 6.

In the case that two touch blind areas 3 are located at two opposite ends of the first substrate 1, as shown in fig. 6, the antenna array 5 in each touch blind area is connected to one radio frequency integrated circuit 7.

In this embodiment, a conductive trace may be disposed on the flexible circuit board 6, and the first rf integrated circuit 7 may be connected to the flexible circuit board 6 through the conductive trace. The radio frequency integrated circuit 7 is arranged on the flexible circuit board 6, so that the space can be effectively saved, and the miniaturization design of the electronic equipment is further facilitated.

Optionally, as shown in fig. 5, a connector 8 is disposed on the flexible circuit board 6, and the radio frequency integrated circuit 7 is electrically connected to a main board of the electronic device through the connector 8.

The connector 8 may be a Board To Board (BTB) connector 8. As shown in fig. 5, a screen driving chip 9 and a touch detection chip 10 may also be disposed on the flexible circuit board 6, and the screen driving chip 9 and the touch detection chip 10 may be connected to the motherboard through a connector 8; alternatively, as shown in fig. 7, the screen driving chip 9 and the touch detection chip 10 may also be disposed on other flexible circuit boards.

In this embodiment, the connector 8 is used to electrically connect the flexible circuit board 6 and the motherboard, so that the independence between the flexible circuit board 6 and the motherboard can be ensured, and the assembly and disassembly can be facilitated.

Optionally, as shown in fig. 5, a screen driving chip 9 and a touch detection chip 10 are further disposed on the flexible circuit board 6, and the screen driving chip 9 and the touch detection chip 10 are connected to the motherboard through a connector 8.

In this embodiment, the screen driving chip 9 may be a driving chip of the display screen for driving the display screen to display, and the touch detection chip 10 may be electrically connected to the touch sensor 4 for detecting information that the touch sensor 4 is touched. The screen driving chip 9 and the touch detection chip 10 are arranged on the flexible circuit board 6, and can be connected with the mainboard through the shared connector 8 of the radio frequency integrated circuit 7, so that the space can be effectively saved, and the miniaturization design of the electronic equipment is further facilitated.

Optionally, as shown in fig. 3, the antenna array 5 includes at least two patch antenna units 11, a feeder 12 is disposed on the first substrate 1 corresponding to each patch antenna unit 11, one end of the feeder 12 is electrically connected to the corresponding patch antenna unit 11, and the other end of the feeder 12 is electrically connected to the flexible circuit board 6.

The number of the patch antenna units 11 may be four, or may be six, etc., and the embodiment of the present invention does not limit this. In the embodiment shown in fig. 3, the number of patch antenna units 11 is four. The patch antenna unit 11 may be made of ITO conductive material, and the feed line 12 may also be made of ITO conductive material. Microstrip lines (Microstrip lines) or Ground Coplanar waveguides (GCPW) can be fabricated by etching lines to feed the antenna, the feed line 12 can perform impedance control, and the length of the feed line 12 can be designed to be shorter to reduce path loss. An insulating layer may be laid under the feed line 12 to prevent the feed line 12 from contacting other signal lines to cause a short circuit. One end of the feed line 12 is electrically connected to the corresponding patch antenna unit 11, the other end of the feed line 12 may be electrically connected to the corresponding feed line link area 13, and the feed line link area 13 may be electrically connected to the flexible circuit board 6. The feeder line link region 13 may be electrically connected to the thermal compression site of the flexible circuit board 6 through a thermal connection process, and a specific connection manner may refer to the related art, which is not further limited herein.

Optionally, as shown in fig. 8, the display module further includes a screen cover 14, an adhesive layer 15, a polarizer 16, a second substrate 17, and a foam 18, wherein the screen cover 14, the adhesive layer 15, the polarizer 16, the first substrate 1, the second substrate 17, and the foam 18 are sequentially stacked.

The material of the screen cover 14 may be glass, and the Adhesive layer 15 may be Optical Clear Resin (OCR) or Optical Clear Adhesive (OCA). The first substrate 1 may be a glass substrate, and the second substrate 17 may be a glass substrate.

In this embodiment, the antenna array 5 is disposed on the first substrate 1, and the screen cover 14, the adhesive layer 15, the polarizer 16, the first substrate 1, the second substrate 17, and the foam 18 are sequentially stacked, so that there is no need to re-insert an antenna layer in the stacked structure of the display screen, and the complexity of the stacked structure is not increased, and the cost is not increased.

Optionally, the antenna array 5 is a millimeter wave antenna array.

The embodiment of the utility model provides a still provide an electronic equipment, electronic equipment includes the display module assembly of above-mentioned embodiment.

Since other structures of the electronic device are the prior art, the display module is described in detail in the above embodiments, and thus, the detailed description of the structure of the electronic device in this embodiment is omitted.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A display module is applied to electronic equipment and is characterized by comprising a first substrate, wherein a touch area and a touch blind area are arranged on the first substrate;

2. The display module assembly of claim 1, wherein the number of the touch blind areas is two, and the two touch blind areas are located at two opposite ends of the first substrate.

3. The display module assembly of claim 1, further comprising a flexible circuit board, wherein the flexible circuit board is provided with a hot-pressing position, and the touch sensor and the antenna array are electrically connected to the flexible circuit board through the hot-pressing position.

4. The display module of claim 3, further comprising a radio frequency integrated circuit disposed on the flexible circuit board and electrically connected to the antenna array through the flexible circuit board.

5. The display module assembly according to claim 4, wherein a connector is disposed on the flexible circuit board, and the radio frequency integrated circuit is electrically connected to a main board of the electronic device through the connector.

6. The display module assembly according to claim 5, wherein a screen driving chip and a touch detection chip are further disposed on the flexible circuit board, and the screen driving chip and the touch detection chip are connected to the main board through the connector.

7. The display module according to claim 3, wherein the antenna array comprises at least two patch antenna units, a feed line is disposed on the first substrate corresponding to each patch antenna unit, one end of the feed line is electrically connected to the corresponding patch antenna unit, and the other end of the feed line is electrically connected to the flexible circuit board.

8. The display module assembly of claim 1, further comprising a screen cover plate, an adhesive layer, a polarizer, a second substrate and foam, wherein the screen cover plate, the adhesive layer, the polarizer, the first substrate, the second substrate and the foam are sequentially stacked.

9. The display module of claim 1, wherein the antenna array is a millimeter wave antenna array.

10. An electronic device, comprising the display module according to any one of claims 1 to 9.