CN220674270U - Electromagnetic shielding film and intelligent terminal - Google Patents

Abstract

The application provides an electromagnetic shielding film and an intelligent terminal, wherein the electromagnetic shielding film comprises a lower protective film, an insulating layer, an electromagnetic shielding layer, a shielding layer and an upper protective film which are sequentially laminated; the shielding layer covers at least a partial region of the electromagnetic shielding layer. Be equipped with the shielding layer between the last protection film of this electromagnetic shield membrane and the electromagnetic shield layer, can improve the electromagnetic shield layer by shielding layer coverage area's dyne value, can ensure that this region is firm with waterproof bubble cotton bonding, need not to carry out ion cleaning in order to improve the dyne value, can save the process, reduce cost. And/or when using the electromagnetic shielding film of this application in intelligent terminal, need not to apply any sticky tape on electromagnetic shielding layer, be favorable to whole machine space attenuate, can also firmly bond waterproof (for example waterproof bubble cotton), external steam invasion is more difficult, does benefit to promoting complete machine water-proof effects, avoids appearing the problem when waterproof test to/or can not have abnormal sound, improved user's use experience.

Description

Electromagnetic shielding film and intelligent terminal

Technical Field

The application relates to the technical field of display equipment, in particular to an electromagnetic shielding film and an intelligent terminal.

Background

The intelligent terminal comprises a whole frame, a display screen module arranged on the whole frame and a waterproof foam cotton frame connected between the whole frame and the display screen module, and in order to avoid electromagnetic crosstalk between an electronic device on the whole frame and an electronic device on the display screen module, the electronic device on the display screen module needs to be covered by an electromagnetic shielding film, and the part of the waterproof foam cotton frame is attached to the electromagnetic shielding film.

In the process of designing and implementing the present application, the inventors found that at least the following problems exist: before attaching electromagnetic shielding film on the display screen module, need peel off the protection film on two upper and lower surfaces of electromagnetic shielding film, because the internal surface that protection film and electromagnetic shielding film contacted has silicone oil, and silicone oil can adhere to electromagnetic shielding film's surface, therefore electromagnetic shielding film's surface energy can reduce, leads to waterproof bubble cotton frame and electromagnetic shielding film bonding insecure for complete machine waterproof test exists the risk, and/or when buckling intelligent terminal, probably there is abnormal sound, influences user experience.

The foregoing description is provided for general background information and does not necessarily constitute prior art.

Disclosure of Invention

In order to solve the technical problems, the application provides an electromagnetic shielding film, which comprises a lower protective film, an insulating layer, an electromagnetic shielding layer, a shielding layer and an upper protective film which are sequentially stacked; the shielding layer covers at least a partial region of the electromagnetic shielding layer.

Optionally, the electromagnetic shielding layer is close to the upper surface of the upper protective film and comprises an attaching area and a non-attaching area for attaching the waterproof piece, and the shielding layer is arranged in the attaching area to prevent the upper protective film from contacting with the attaching area.

Optionally, the non-attachment region is in attachment contact with the upper protective film.

Optionally, the electromagnetic shielding layer includes a first side edge and/or a second side edge, where the first side edge and the second side edge are disposed opposite to each other along a length direction of the electromagnetic shielding layer; the shielding layer comprises a first shielding part arranged along the length direction of the electromagnetic shielding layer, and the first shielding part comprises a first end and/or a second end; the first end is spaced from the first side by less than or equal to a first spacing threshold and/or the second end is spaced from the second side by less than or equal to a second spacing threshold.

Optionally, the electromagnetic shielding layer further includes a third side and/or a fourth side disposed opposite to each other in a width direction of the electromagnetic shielding layer; the interval between the lower edge of the first shielding part and the third side edge is smaller than or equal to a third interval threshold value, and/or the interval between the upper edge of the first shielding part and the fourth side edge is smaller than or equal to a fourth interval threshold value.

Optionally, the shielding layer further includes a second shielding portion and/or a third shielding portion, the second shielding portion is connected to the first end, the third shielding portion is connected to the second end, and the second shielding portion and the third shielding portion are disposed along a width direction of the electromagnetic shielding layer.

Optionally, the shielding layer is single-sided adhesive tape, the non-adhesive surface of the shielding layer is in contact with the electromagnetic shielding layer, and the adhesive surface of the shielding layer is connected with the upper protective film.

Optionally, the area of the shielding layer is smaller than or equal to the area of the electromagnetic shielding layer.

Optionally, a marking line is disposed on a surface of the electromagnetic shielding layer facing the shielding layer, and a contour formed by the marking line is the same as a shape and/or a size of the attaching area.

The application also provides an intelligent terminal, which comprises any one of the electromagnetic shielding films.

Optionally, the electromagnetic shielding film is attached in the intelligent terminal after peeling off the lower protective film, the shielding layer and the upper protective film.

Be equipped with the shielding layer between the last protection film of this electromagnetic shield membrane and the electromagnetic shield layer, can improve the electromagnetic shield layer by shielding layer coverage area's dyne value, can ensure that this region is firm with waterproof bubble cotton bonding, need not to carry out ion cleaning in order to improve the dyne value, can save the process, reduce cost. And/or when using the electromagnetic shielding film of this application in intelligent terminal, need not to apply any sticky tape on electromagnetic shielding layer, be favorable to whole machine space attenuate, can also firmly bond waterproof (for example waterproof bubble cotton), external steam invasion is more difficult, does benefit to promoting complete machine water-proof effects, avoids appearing the problem when waterproof test to/or can not have abnormal sound, improved user's use experience.

The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification, so that the foregoing and other objects, features and advantages of the present application can be more clearly understood, and the following detailed description of the preferred embodiments will be given with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic hardware structure diagram of an intelligent terminal implementing various embodiments of the present application;

fig. 2 is a schematic diagram of a communication network system according to an embodiment of the present application;

fig. 3 is a schematic top view of an electromagnetic shielding film according to a first embodiment of the present application;

fig. 4 is a schematic cross-sectional structure of an electromagnetic shielding film of a first embodiment of the present application;

FIG. 5 is a schematic top view of the electromagnetic shielding film of FIG. 3 after the protective film is peeled off;

FIG. 6 is a schematic view of the electromagnetic shielding film of the present application after peeling the protective film and the shielding layer;

fig. 7 and 8 are schematic top view structures of the electromagnetic shielding film of the second embodiment of the present application, from which the upper protective film and the lower protective film are peeled;

fig. 9 is a schematic top view of the electromagnetic shielding film of the second embodiment of the present application, from which the upper protective film and the lower protective film are peeled;

fig. 10 is a schematic structural diagram of an intelligent terminal according to a fourth embodiment of the present application.

The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings. Specific embodiments thereof have been shown by way of example in the drawings and will herein be described in more detail. These drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises the element, and alternatively, elements having the same name in different embodiments of the present application may have the same meaning or may have different meanings, a particular meaning of which is to be determined by its interpretation in this particular embodiment or further in connection with the context of this particular embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context. Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or," "and/or," "including at least one of," and the like, as used herein, may be construed as inclusive, or meaning any one or any combination. For example, "including at least one of: A. b, C "means" any one of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; a and B and C ", again as examples," A, B or C "or" A, B and/or C "means" any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; a and B and C). An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrase "if determined" or "if detected (stated condition or event)" may be interpreted as "when determined" or "in response to determination" or "when detected (stated condition or event)" or "in response to detection (stated condition or event), depending on the context.

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present application, and are not of specific significance per se. Thus, "module," "component," or "unit" may be used in combination.

The intelligent terminal may be implemented in various forms. For example, the smart terminals described in the present application may include smart terminals such as cell phones, tablet computers, notebook computers, palm computers, personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP), navigation devices, wearable devices, smart bracelets, pedometers, and stationary terminals such as digital TVs, desktop computers, and the like.

In the following description, an intelligent terminal will be described as an example, and those skilled in the art will understand that the configuration according to the embodiment of the present application can be applied to a fixed type terminal in addition to elements particularly used for a mobile purpose.

Fig. 1 is a schematic hardware structure of an intelligent terminal implementing various embodiments of the present application, please refer to fig. 1, which is a schematic hardware structure of an intelligent terminal implementing various embodiments of the present application, and the intelligent terminal 100 may include: an RF (Radio Frequency) unit 101, a WiFi module 102, an audio output unit 103, an a/V (audio/video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111. It will be appreciated by those skilled in the art that the configuration of the intelligent terminal shown in fig. 1 is not limiting of the intelligent terminal, and the intelligent terminal may include more or less components than those illustrated, or may combine certain components, or may have a different arrangement of components.

The following describes the components of the intelligent terminal in detail with reference to fig. 1:

the radio frequency unit 101 may be used for receiving and transmitting signals during the information receiving or communication process, specifically, after receiving downlink information of the base station, processing the downlink information by the processor 110; and, the uplink data is transmitted to the base station. Typically, the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol including, but not limited to, GSM (Global System of Mobile communication, global system for mobile communications), GPRS (General Packet Radio Service ), CDMA2000 (Code Division Multiple Access, 2000, CDMA 2000), WCDMA (Wideband Code Division Multiple Access ), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, time Division synchronous code Division multiple access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution, frequency Division duplex long term evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution, time Division duplex long term evolution), 5G, 6G, and the like.

WiFi belongs to a short-distance wireless transmission technology, and the intelligent terminal can help a user to send and receive emails, browse webpages, access streaming media and the like through the WiFi module 102, so that wireless broadband Internet access is provided for the user. Although fig. 1 shows a WiFi module 102, it is understood that it does not belong to the essential constitution of the intelligent terminal, and can be omitted entirely as required within the scope of not changing the essence of the invention.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the intelligent terminal 100 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the smart terminal 100. The audio output unit 103 may include a speaker, a buzzer, and the like.

The a/V input unit 104 is used to receive an audio or video signal. The a/V input unit 104 may include a graphics processor (Graphics Processing Unit, GPU) 1041 and a microphone 1042, the graphics processor 1041 processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphics processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 can receive sound (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, and the like, and can process such sound into audio data. The processed audio (voice) data may be converted into a format output that can be transmitted to the mobile communication base station via the radio frequency unit 101 in the case of a telephone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting the audio signal.

The intelligent terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Optionally, the light sensor includes an ambient light sensor and a proximity sensor, optionally, the ambient light sensor may adjust the brightness of the panel 1061 according to the brightness of ambient light, and the proximity sensor may turn off the panel 1061 and/or the backlight when the smart terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when stationary, and can be used for applications of recognizing the gesture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; as for other sensors such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc. that may also be configured in the mobile phone, the detailed description thereof will be omitted.

The display unit 106 is used to display information input by a user or information provided to the user. The display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 107 may be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the intelligent terminal. Alternatively, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 1071 or thereabout by using any suitable object or accessory such as a finger, a stylus, etc.) and drive the corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. Optionally, the touch detection device detects the touch azimuth of the user, detects a signal brought by touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch point coordinates, and sends the touch point coordinates to the processor 110, and can receive and execute commands sent from the processor 110. Further, the touch panel 1071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 107 may include other input devices 1072 in addition to the touch panel 1071. Alternatively, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, mouse, joystick, etc., as specifically not limited herein.

Alternatively, the touch panel 1071 may overlay the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or thereabout, the touch panel 1071 is transferred to the processor 110 to determine the type of touch event, and the processor 110 then provides a corresponding visual output on the panel 1061 according to the type of touch event. Although in fig. 1, the touch panel 1071 and the display panel 1061 are two independent components for implementing the input and output functions of the smart terminal, in some embodiments, the touch panel 1071 may be integrated with the display panel 1061 to implement the input and output functions of the smart terminal, which is not limited herein.

The interface unit 108 serves as an interface through which at least one external device can be connected with the intelligent terminal 100. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the smart terminal 100 or may be used to transmit data between the smart terminal 100 and an external device.

Memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, and alternatively, the storage program area may store an operating system, an application program required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, memory 109 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.

The processor 110 is a control center of the intelligent terminal, connects various parts of the entire intelligent terminal using various interfaces and lines, and performs various functions of the intelligent terminal and processes data by running or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the intelligent terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor, the application processor optionally handling mainly an operating system, a user interface, an application program, etc., the modem processor handling mainly wireless communication. It will be appreciated that the modem processor described above may not be integrated into the processor 110.

The intelligent terminal 100 may further include a power source 111 (such as a battery) for supplying power to the respective components, and preferably, the power source 111 may be logically connected to the processor 110 through a power management system, so as to implement functions of managing charging, discharging, power consumption management, etc. through the power management system.

Although not shown in fig. 1, the intelligent terminal 100 may further include a bluetooth module or the like, which is not described herein.

In order to facilitate understanding of the embodiments of the present application, a communication network system on which the intelligent terminal of the present application is based will be described below.

Referring to fig. 2, fig. 2 is a schematic diagram of a communication network system provided in the embodiment of the present application, where the communication network system is an LTE system of a general mobile communication technology, and the LTE system includes a UE (User Equipment) 201, an e-UTRAN (Evolved UMTS Terrestrial Radio Access Network ) 202, an epc (Evolved Packet Core, evolved packet core) 203, and an IP service 204 of an operator that are sequentially connected in communication.

Alternatively, the UE201 may be the terminal 100 described above, which is not described here again.

The E-UTRAN202 includes eNodeB2021 and other eNodeB2022, etc. Alternatively, the eNodeB2021 may connect with other enodebs 2022 over a backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide access for the UE201 to the EPC 203.

EPC203 may include MME (Mobility Management Entity ) 2031, hss (Home Subscriber Server, home subscriber server) 2032, other MMEs 2033, SGW (Serving Gate Way) 2034, pgw (PDN Gate Way) 2035 and PCRF (Policy and Charging Rules Function, policy and charging function entity) 2036, and the like. Optionally, MME2031 is a control node that handles signaling between UE201 and EPC203, providing bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location registers (not shown) and to hold user specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034 and PGW2035 may provide IP address allocation and other functions for UE201, PCRF2036 is a policy and charging control policy decision point for traffic data flows and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).

IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem ), or other IP services, etc.

Although the LTE system is described above as an example, it should be understood by those skilled in the art that the present application is not limited to LTE systems, but may be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, 5G, and future new network systems (e.g., 6G), etc.

Based on the intelligent terminal hardware structure and the communication network system, various embodiments of the application are provided.

First embodiment

Fig. 3 is a schematic top view of an electromagnetic shielding film according to a first embodiment of the present application, fig. 4 is a schematic cross-sectional view of the electromagnetic shielding film according to the first embodiment of the present application, fig. 5 is a schematic top view of the electromagnetic shielding film shown in fig. 3 after the upper protective film is peeled off, and as shown in fig. 3, 4 and 5, the electromagnetic shielding film 10 includes a lower protective film 11, an insulating layer 12, an electromagnetic shielding layer 13, a shielding layer 14 and an upper protective film 15, which are laminated in this order; the shielding layer 14 covers at least a partial region of the electromagnetic shielding layer 13. In the present embodiment, the insulating layer 12 is provided on the lower protective film 11, the electromagnetic shielding layer 13 is provided on the insulating layer 12, the shielding layer 14 is provided on the electromagnetic shielding layer 13, and the upper protective film 15 covers the electromagnetic shielding layer 13 and the shielding layer 14.

The shielding layer 14 is arranged between the upper protective film 15 and the electromagnetic shielding layer 13 of the electromagnetic shielding film 10, so that the dyne value of the area covered by the shielding layer 14 of the electromagnetic shielding layer 13 can be improved, the area can be firmly bonded with waterproof foam, ion cleaning treatment is not required for improving the dyne value, the working procedure can be saved, and the cost is reduced. And/or when the electromagnetic shielding film 10 is applied to an intelligent terminal, any adhesive tape is not required to be applied to the electromagnetic shielding layer 13, so that the whole machine is thinned, waterproof pieces (such as waterproof foam) can be firmly adhered, external water vapor invasion is more difficult, the whole machine waterproof effect is improved, problems in waterproof test are avoided, abnormal sound cannot exist, and the use experience of a user is improved.

Optionally, the upper protection film 15 has an oil film near the lower surface of the shielding layer 14, the shielding layer 14 is connected with the lower surface of the upper protection film 15, the shielding layer 14 is used for shielding the oil film, and the oil film in the area shielded by the shielding layer 14 is prevented from adhering to the electromagnetic shielding layer 13, and other areas of the electromagnetic shielding layer 13 can adhere to the oil film. In the present embodiment, the oil film is, for example, silicone oil, but not limited thereto.

Optionally, after the area with the oil film adhered to is coated by the dyne pen, shrinkage is not obvious, and the dyne value of the area is greater than or equal to a target threshold value; after the area not adhered with the oil film is coated by the dyne pen, shrinkage is very obvious, and the dyne value of the area not adhered with the oil film is less than or equal to the target threshold.

Optionally, the electromagnetic shielding layer 13 includes an attaching region for attaching the waterproof member and a non-attaching region near the upper surface of the upper protective film 15, and the shielding layer 14 is disposed in the attaching region to block the upper protective film 15 from contacting the attaching region. Due to the shielding effect of the shielding layer 14, the attached area of the electromagnetic shielding layer 13 will not adhere to the oil film, while the area not shielded by the shielding layer 14 will adhere to the oil film. In the present embodiment, the waterproof member is, for example, waterproof foam, but not limited to this.

Alternatively, the non-adhering region is in adhering contact with the upper protective film 15.

Alternatively, as shown in fig. 5, the electromagnetic shielding layer 13 is substantially rectangular, and the electromagnetic shielding layer 13 includes a first side 131 and a second side 132, where the first side 131 and the second side 132 are disposed opposite to each other along a length direction of the electromagnetic shielding layer 13; the shielding layer 14 includes a first shielding portion 141 disposed along a length direction of the electromagnetic shielding layer 13, the first shielding portion 141 including opposite first and second ends 1411 and 1412; the first end 1411 is spaced from the first side edge 131 by less than or equal to a first spacing threshold and/or the second end 1412 is spaced from the first side edge 131 by less than or equal to a second spacing threshold. In this embodiment, the first spacing threshold is 0-15 mm, such as 0mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.6mm, 0.8mm, 1mm, 2mm, 3mm, 5mm, 8mm, 12mm; the second spacing threshold is 0mm to 15mm, for example 0mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.6mm, 0.8mm, 1mm, 2mm, 3mm, 5mm, 8mm, 12mm; a first spacing threshold of 0mm indicates that the end face of the first end 1411 now coincides with the first side edge 131; a second spacing threshold of 0mm indicates that the end face of the second end 1412 now coincides with the second side edge 132.

Optionally, the first side 131 and/or the second side 132 are linear, curved or arc-shaped, and can be freely designed according to practical needs.

In other embodiments, the electromagnetic shielding layer 13 may also be elliptical, waist-shaped, trapezoid, etc., but is not limited thereto.

Optionally, the electromagnetic shielding layer 13 further includes a third side 133 and a fourth side 134 disposed opposite to each other along a width direction of the electromagnetic shielding layer 13, and an interval between an upper edge of the first shielding portion 141 and the third side 133 is less than or equal to a third interval threshold, and/or an interval between a lower edge of the first shielding portion 141 and the fourth side 134 is less than or equal to a fourth interval threshold. In this embodiment, the third interval threshold is 0 to 20mm, for example 0mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.6mm, 0.8mm, 1mm, 2mm, 3mm, 5mm, 8mm, 12mm, 15mm, 18mm; the fourth interval threshold is 0mm to 20mm, for example 0mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.6mm, 0.8mm, 1mm, 2mm, 3mm, 5mm, 8mm, 12mm, 15mm, 18mm; a third spacing threshold of 0mm indicates that the upper edge of the first shielding portion 141 coincides with the third side edge 133 at this time; a fourth spacing threshold of 0mm indicates that the lower edge of the first shielding portion 141 coincides with the fourth side 134 at this time.

Alternatively, the width of the first shielding portion 141 is matched with the width of the waterproof foam, and the width of the first shielding portion 141 is smaller than or equal to the width of the electromagnetic shielding layer 13.

Optionally, as shown in fig. 5, the shielding layer 14 further includes a second shielding portion 142 and a third shielding portion 143, the second shielding portion 142 is connected to the first end 1411, the third shielding portion 143 is connected to the second end 1412, the second shielding portion 142 and the third shielding portion 143 are disposed along the width direction of the electromagnetic shielding layer 13, the second shielding portion 142 is disposed near the first side 131, and the third shielding portion 143 is disposed near the second side 132.

Optionally, the shielding layer 14 is single-sided adhesive, the non-adhesive surface of the shielding layer 14 is in contact with the electromagnetic shielding layer 13, and the adhesive surface of the shielding layer 14 is connected with the upper protective film 15. In this embodiment, the shielding layer 14 is, for example, PET single-sided tape.

Alternatively, the area of the shielding layer 14 is smaller than or equal to the area of the electromagnetic shielding layer 13, i.e. the orthographic projection area of the shielding layer 14 on the electromagnetic shielding layer 13 is smaller than or equal to the upper surface area of the electromagnetic shielding layer 13.

Alternatively, the insulating layer 12 is, for example, an insulating tape.

Optionally, the electromagnetic shielding layer 13 is, for example, a conductive fabric, and the conductive fabric includes a woven layer and a plating layer covering the outer surface of the woven layer, where the plating layer is, for example, a nickel layer, but not limited thereto.

Optionally, fig. 6 is a schematic view of the electromagnetic shielding film of the present application after the protective film and the shielding layer are peeled off, and as shown in fig. 6, a lower surface of the shielding layer 14 facing the electromagnetic shielding layer 13 is provided with a marking line 16, and the contour of the marking line 16 is the same as the shape and/or size of the attachment area. After the shielding layer 14 is peeled off from the electromagnetic shielding layer 13, the marking line 16 is transferred to the upper surface of the electromagnetic shielding layer 13. In this embodiment, the marking line 16 is colored, for example, so that the staff can attach the waterproof foam conveniently, and the waterproof foam is prevented from being attached to the bias, and the marking line 16 can be silk-screened to be black or other colors to identify the attaching area of the shielding layer 14.

Optionally, two positioning holes 301 are provided on the upper protection film 15, and are used to attach the insulating layer 12 and the electromagnetic shielding layer 13 to the intelligent terminal in cooperation with positioning posts on the jig.

Second embodiment

Fig. 7 and 8 are schematic top view structures of the electromagnetic shielding film of the second embodiment of the present application, in which the upper and lower protective films are peeled off, and as shown in fig. 7 and 8, the electromagnetic shielding film 10 of the present embodiment is substantially identical to the electromagnetic shielding film 10 of the above embodiment in that the shielding layer 14 is different in structure.

Alternatively, as shown in fig. 7, the shielding layer 14 includes a first shielding portion 141 and a second shielding portion 142, the first shielding portion 141 is disposed along a length direction of the electromagnetic shielding layer 13, the second shielding portion 142 is disposed along a width direction of the electromagnetic shielding layer 13, the second shielding portion 142 is disposed near the first side 131, and the second shielding portion 142 is connected to the first end 1411 of the first shielding portion 141. The area of the shielding layer 14 in this embodiment is smaller than that of the shielding layer 14 in the first embodiment, so that the material cost of the shielding layer 14 can be reduced, and/or the structure of the shielding layer 14 in this embodiment is simpler than that in the first embodiment, so that the production process can be reduced, and the production efficiency can be improved.

Alternatively, as shown in fig. 8, the shielding layer 14 includes a first shielding portion 141 and a third shielding portion 143, the first shielding portion 141 is disposed along a length direction of the electromagnetic shielding layer 13, the third shielding portion 143 is disposed along a width direction of the electromagnetic shielding layer 13, the third shielding portion 143 is disposed near the second side 132, and the third shielding portion 143 is connected to the second end 1412 of the first shielding portion 141. The area of the shielding layer 14 in this embodiment is smaller than that of the shielding layer 14 in the first embodiment, so that the material cost of the shielding layer 14 can be reduced, and/or the structure of the shielding layer 14 in this embodiment is simpler than that in the first embodiment, so that the production process can be reduced, and the production efficiency can be improved.

Third embodiment

Fig. 9 is a schematic top view of the electromagnetic shielding film of the second embodiment of the present application, in which the upper and lower protective films are peeled off, and as shown in fig. 9, the electromagnetic shielding film 10 of the present embodiment has substantially the same structure as the electromagnetic shielding film 10 of the above embodiment, except that the shielding layer 14 has a different structure.

Alternatively, as shown in fig. 9, the shielding layer 14 includes only the first shielding portion 141, where the first shielding portion 141 is disposed along the length direction of the electromagnetic shielding layer 13, and the first shielding portion 141 includes a first end 1411 and a second end 1412 that are opposite, where the first end 1411 is spaced from the first side 131, or an end surface of the first end 1411 coincides with the first side 131, and the second end 1412 is spaced from the first side 131, or an end surface of the second end 1412 coincides with the second side 132. The area of the shielding layer 14 in this embodiment is smaller than that of the shielding layer 14 in the above embodiment, so that the material cost of the shielding layer 14 can be reduced, and/or the structure of the shielding layer 14 in this embodiment is simpler than that in the above embodiment, so that the production process can be reduced, and the production efficiency can be improved.

Fourth embodiment

Fig. 10 is a schematic structural diagram of an intelligent terminal according to a fourth embodiment of the present application, and as shown in fig. 10, the present application further provides an intelligent terminal, including the electromagnetic shielding film 10, where the electromagnetic shielding film 10 is attached to the inside of the intelligent terminal after being peeled off the lower protective film 11, the shielding layer 14 and the upper protective film 15. In this embodiment, the intelligent terminal includes whole frame and installs the display screen module in whole frame, the bottom of display screen module is connected with flexible circuit board (FPC), the flexible circuit board sets up in the back of display screen module, electric connection has multiple IC (for example show IC, touch-control IC etc.) and multiple electron components and parts on the flexible circuit board, insulating layer 12 and electromagnetic shield layer 13 cover multiple IC and multiple electron components and parts for avoid the electron device in whole frame to take place electromagnetic crosstalk with the electron device on the flexible circuit board, guarantee that the electron device can normally work. In this embodiment, the intelligent terminal further includes a waterproof foam frame, a portion of the waterproof foam frame is attached and fixed to the attachment area of the electromagnetic shielding layer 13, and another portion of the waterproof foam frame is connected between the complete machine frame and the display screen module.

After the electromagnetic shielding film 10 is applied to the intelligent terminal, due to the fact that any adhesive tape is not needed to be applied to the electromagnetic shielding layer 13, the space of the intelligent terminal is reduced, waterproof pieces (such as waterproof foam) can be firmly adhered, external water vapor invasion is more difficult, the waterproof effect of the intelligent terminal is improved, problems are avoided when waterproof tests are carried out, and/or abnormal sound cannot exist, and the use experience of a user is improved.

Please refer to the above for the structure and function of the intelligent terminal, and the description thereof is omitted herein.

Fifth embodiment

The embodiment also provides an electromagnetic shielding film 10, which comprises a lower protective film 11, an insulating layer 12, an electromagnetic shielding layer 13, a shielding layer 14 and an upper protective film 15 which are sequentially stacked.

Optionally, the shielding layer 14 covers at least a partial area of the electromagnetic shielding layer 13.

Alternatively, the electromagnetic shielding layer 13 includes an attaching region for attaching the waterproof member and a non-attaching region near the upper surface of the upper protective film 15.

Optionally, the shielding layer 14 is disposed in the attachment region, and blocks the upper protective film 15 from contacting the attachment region.

Alternatively, the non-adhering region is in adhering contact with the upper protective film 15.

Optionally, the electromagnetic shielding film 10 further includes at least one of:

the electromagnetic shielding layer 13 comprises a first side 131 and/or a second side 132;

the electromagnetic shielding layer 13 includes a third side 133 and/or a fourth side 134;

the shielding layer 14 includes a first shielding portion 141;

the shielding layer 14 comprises a second shielding portion 143 and/or a third shielding portion 143.

Optionally, the first shielding portion 141 includes a first end 1411 and/or a second end 1412.

Optionally, the electromagnetic shielding film 10 further includes at least one of:

the first side edge 131 and the second side edge 132 are oppositely arranged along the length direction of the electromagnetic shielding layer 13;

The third side 133 and the fourth side 134 are disposed opposite to each other in the width direction of the electromagnetic shielding layer 13;

the first end 1411 is spaced from the first side edge 131 by less than or equal to a first spacing threshold;

the second end 1412 is spaced from the second side 132 less than or equal to a second spacing threshold;

the interval between the upper edge of the first shielding portion 141 and the third side edge 133 is less than or equal to a third interval threshold;

the interval between the lower edge of the first shielding portion 141 and the fourth side 134 is less than or equal to the fourth interval threshold.

Optionally, the electromagnetic shielding film 10 further includes at least one of:

the first shielding portion 141 is provided along the longitudinal direction of the electromagnetic shielding layer 13;

the second shielding portion 143 is connected to the first end 1411;

the third shielding portion 143 is connected to the second end 1412;

the second shielding portion 143 and the third shielding portion 143 are provided along the width direction of the electromagnetic shielding layer 13.

Optionally, the electromagnetic shielding film 10 further includes at least one of:

the shielding layer 14 is single-sided adhesive tape;

the non-adhesive surface of the shielding layer 14 is in contact with the electromagnetic shielding layer 13;

the adhesive surface of the shielding layer 14 is connected to the upper protective film 15.

Alternatively, the area of the shielding layer 14 is smaller than or equal to the area of the electromagnetic shielding layer 13.

Optionally, the surface of the electromagnetic shielding layer 13 facing the shielding layer 14 is provided with marking lines, and the contour of the marking lines is identical to the shape and/or size of the attachment area.

The shielding layer 14 is arranged between the upper protection film 15 and the electromagnetic shielding layer 13 of the electromagnetic shielding film 10, so that the dyne value of the area covered by the shielding layer 14 of the electromagnetic shielding layer 13 can be improved, the area can be firmly bonded with waterproof foam, ion cleaning treatment is not required for improving the dyne value, the working procedure can be saved, and the cost is reduced. And/or when the electromagnetic shielding film 10 is applied to an intelligent terminal, any adhesive tape is not required to be applied to the electromagnetic shielding layer 13, so that the whole machine is thinned, waterproof pieces (such as waterproof foam) can be firmly adhered, external water vapor invasion is more difficult, the whole machine waterproof effect is improved, problems in waterproof test are avoided, abnormal sound cannot exist, and the use experience of a user is improved.

It can be understood that the above scenario is merely an example, and does not constitute a limitation on the application scenario of the technical solution provided in the embodiments of the present application, and the technical solution of the present application may also be applied to other scenarios. For example, as one of ordinary skill in the art can know, with the evolution of the system architecture and the appearance of new service scenarios, the technical solutions provided in the embodiments of the present application are equally applicable to similar technical problems.

The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments.

The units in the device of the embodiment of the application can be combined, divided and pruned according to actual needs.

In this application, the same or similar term concept, technical solution, and/or application scenario description will generally be described in detail only when first appearing, and when repeated later, for brevity, will not generally be repeated, and when understanding the content of the technical solution of the present application, etc., reference may be made to the previous related detailed description thereof for the same or similar term concept, technical solution, and/or application scenario description, etc., which are not described in detail later.

In this application, the descriptions of the embodiments are focused on, and the details or descriptions of one embodiment may be found in the related descriptions of other embodiments.

The technical features of the technical solutions of the present application may be arbitrarily combined, and for brevity of description, all possible combinations of the technical features in the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the present application.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as above, including several instructions for causing a terminal device (which may be a mobile phone, a computer, a server, a controlled terminal, or a network device, etc.) to perform the method of each embodiment of the present application.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions in accordance with embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable devices. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by a wired (e.g., coaxial cable, fiber optic, digital subscriber line), or wireless (e.g., infrared, wireless, microwave, etc.). Computer readable storage media can be any available media that can be accessed by a computer or data storage devices, such as servers, data centers, etc., that contain an integration of one or more available media. Usable media may be magnetic media (e.g., floppy disks, storage disks, magnetic tape), optical media (e.g., DVD), or semiconductor media (e.g., solid State Disk (SSD)), among others.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.

Claims (9)

1. An electromagnetic shielding film is characterized by comprising a lower protective film, an insulating layer, an electromagnetic shielding layer, a shielding layer and an upper protective film which are sequentially laminated; the shielding layer covers at least part of the area of the electromagnetic shielding layer; the electromagnetic shielding layer is close to the upper surface of the upper protective film and comprises an attaching area and a non-attaching area, wherein the attaching area is used for attaching a waterproof piece, and the shielding layer is arranged in the attaching area and used for blocking the upper protective film from contacting with the attaching area.

2. The electromagnetic shielding film of claim 1,

the non-attaching region is in attaching contact with the upper protective film.

3. The electromagnetic shielding film of claim 2, further comprising at least one of:

the electromagnetic shielding layer comprises a first side edge and/or a second side edge;

the electromagnetic shielding layer comprises a third side edge and/or a fourth side edge;

The shielding layer comprises a first shielding part, and the first shielding part comprises a first end and/or a second end;

the shielding layer comprises a second shielding part and/or a third shielding part.

4. The electromagnetic shielding film of claim 3, further comprising at least one of:

the first side edge and the second side edge are oppositely arranged along the length direction of the electromagnetic shielding layer;

the third side edge and the fourth side edge are arranged opposite to each other in the width direction of the electromagnetic shielding layer;

the interval between the first end and the first side edge is smaller than or equal to a first interval threshold value;

the interval between the second end and the second side edge is smaller than or equal to a second interval threshold value;

the interval between the upper edge of the first shielding part and the third side edge is smaller than or equal to a third interval threshold value;

the interval between the lower edge of the first shielding part and the fourth side edge is smaller than or equal to a fourth interval threshold value.

5. The electromagnetic shielding film of claim 3, further comprising at least one of:

the first shielding part is arranged along the length direction of the electromagnetic shielding layer;

the second shielding part is connected with the first end;

the third shielding part is connected with the second end;

The second shielding portion and the third shielding portion are disposed along a width direction of the electromagnetic shielding layer.

6. The electromagnetic shielding film of any one of claims 1 to 5, further comprising at least one of:

the shielding layer is single-sided adhesive tape;

the non-adhesive surface of the shielding layer is in contact with the electromagnetic shielding layer;

the adhesive surface of the shielding layer is connected with the upper protective film.

7. The electromagnetic shielding film according to any one of claims 1 to 5, wherein an area of the shielding layer is smaller than or equal to an area of the electromagnetic shielding layer.

8. Electromagnetic shielding film according to any one of claims 1 to 5, wherein the surface of the electromagnetic shielding layer facing the shielding layer is provided with marking lines, which constitute a contour identical to the shape and/or size of the attachment zone.

9. An intelligent terminal comprising the electromagnetic shielding film of any one of claims 1 to 8.