CN108881555B

CN108881555B - Display screen assembly, manufacturing method thereof and electronic equipment

Info

Publication number: CN108881555B
Application number: CN201810771786.5A
Authority: CN
Inventors: 刘敏; 欧阳志斌
Original assignee: Oppo Chongqing Intelligent Technology Co Ltd
Current assignee: Oppo Chongqing Intelligent Technology Co Ltd
Priority date: 2018-07-13
Filing date: 2018-07-13
Publication date: 2021-03-26
Anticipated expiration: 2038-07-13
Also published as: CN108881555A

Abstract

The invention discloses a display screen assembly, a manufacturing method thereof and electronic equipment, wherein the display screen assembly comprises: the upper cover assembly is internally provided with an accommodating groove with an open top; the screen module is arranged in the accommodating groove and comprises a transparent cover plate, a display screen and a backlight module which are sequentially arranged from top to bottom, wherein the side surface of the transparent cover plate is bonded with the side wall of the accommodating groove through a gap filling glue. According to the display screen assembly, the side face of the transparent cover plate is bonded with the side wall of the accommodating groove of the upper cover assembly through the gap filling glue, so that the frame can be narrowed, the transparent cover plate and the upper cover assembly can be firmly bonded into a whole, and the user experience is improved.

Description

Display screen assembly, manufacturing method thereof and electronic equipment

Technical Field

The invention relates to the field of electronic equipment, in particular to a display screen assembly, a manufacturing method of the display screen assembly and the electronic equipment.

Background

In consumer electronics, particularly mobile phones, the narrower the bezel. In the related art, generally, glue is dispensed between the upper surface in the upper cover assembly and the plane of the lower surface of the touch screen or the screen module, however, it is difficult to effectively and reliably achieve the extremely large frame width only by the planar adhesive force, and if the glue dispensing width is too small, the adhesive force is not enough, so that the situation of degumming is easy to occur, and the user experience is influenced; if increase glue width, then increased the viscose area, though can ensure the effective reliable bonding between touch-sensitive screen or screen module and the upper cover subassembly, it is difficult to make the frame narrow.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a display screen assembly, which can make the frame narrow.

Another object of the present invention is to provide a method for manufacturing the display panel assembly.

It is still another object of the present invention to provide an electronic device having the above display screen assembly.

A display screen assembly according to an embodiment of the first aspect of the invention comprises: the upper cover assembly is internally provided with an accommodating groove with an open top; the screen module is arranged in the accommodating groove and comprises a transparent cover plate, a display screen and a backlight module which are sequentially arranged from top to bottom, wherein the side surface of the transparent cover plate is bonded with the side wall of the accommodating groove through a gap filling glue.

According to the display screen assembly provided by the embodiment of the invention, the side surface of the transparent cover plate is bonded with the side wall of the accommodating groove of the upper cover assembly through the gap filling glue, so that the frame can be narrowed, the transparent cover plate and the upper cover assembly can be firmly bonded into a whole, and the user experience is improved.

According to some embodiments of the present invention, a step portion protruding inwards is disposed on a sidewall of the accommodating groove, and a supporting glue is disposed on the step portion and located below the gap-filling glue to separate the gap-filling glue from the backlight module.

According to some embodiments of the invention, the fluidity of the support glue is lower than the fluidity of the caulking glue.

According to some embodiments of the present invention, a light shielding adhesive is disposed on a side surface of the display screen and a side surface of the backlight module, and the display screen and the backlight module are connected by the light shielding adhesive, wherein the supporting adhesive is supported between the step portion and the light shielding adhesive.

According to some embodiments of the invention, the step is formed by at least one spacer.

According to some embodiments of the invention, the transparent cover plate is provided with the gap filling glue along the whole circumference.

According to some embodiments of the invention, the support glues are respectively disposed on two sides of the screen module in the width direction.

According to some embodiments of the invention, the support glue is disposed on the entire circumference of the screen module.

According to some embodiments of the invention, the transparent cover plate is a glass piece.

According to the manufacturing method of the display screen assembly of the second aspect of the invention, the display screen assembly comprises an upper cover assembly with an accommodating groove with an open top and a screen module arranged in the accommodating groove, the screen module comprises a transparent cover plate, a display screen and a backlight module which are arranged in sequence from top to bottom, wherein the side surface of the transparent cover plate is adhered with the side wall of the accommodating groove through a gap filling glue, a step part protruding inwards is arranged on the side wall of the accommodating groove, a supporting glue is arranged on the step part and is positioned below the gap filling glue to separate the gap filling glue from the backlight module,

the manufacturing method comprises the following steps:

dotting the support glue on the step part of the upper cover assembly;

placing the screen module into the accommodating groove and maintaining the pressure;

and dispensing the gap filling glue on the side surface of the screen module.

According to some embodiments of the invention, the support glue dots are on both sides of the screen module in the width direction.

According to some embodiments of the invention, before holding the pressure, further comprising the step of: and respectively dispensing structural glue on two sides of the screen module in the length direction.

According to some embodiments of the invention, excess of the caulk is wiped off after the caulk is dispensed.

An electronic device according to an embodiment of the third aspect of the invention comprises a display screen assembly according to the above-described embodiment of the first aspect of the invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a partial schematic view of a display screen assembly according to an embodiment of the invention;

FIG. 2 is a flow chart of a method of manufacturing a display screen assembly according to an embodiment of the present invention;

FIG. 3 is a perspective view of an electronic device according to an embodiment of the invention;

fig. 4 is a front view of an electronic device according to an embodiment of the present invention.

Reference numerals:

100: a display screen assembly;

1: an upper cover assembly; 11: accommodating grooves; 12: a step portion;

2: a screen module; 21: a transparent cover plate; 22: a display screen; 23: a backlight module;

24: shading glue;

3: joint filling glue; 4: and supporting the glue.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

A display screen assembly 100 according to an embodiment of the present invention is described below with reference to fig. 1 and 2.

As shown in fig. 1, a display screen assembly 100 according to an embodiment of the first aspect of the present invention includes a cover assembly 1 and a screen module 2.

Specifically, the upper cover assembly 1 defines therein a receiving groove 11 having an open top. The screen module 2 is arranged in the accommodating groove 11, the screen module 2 comprises a transparent cover plate 21, a display screen 22 and a backlight module 23 which are sequentially arranged from top to bottom, wherein the side surface of the transparent cover plate 21 is adhered to the side wall of the accommodating groove 11 through a gap filling adhesive 3. From this, compare with the traditional mode that realizes bonding of gluing between the plane of upper surface in upper cover subassembly 1 and screen module 2's lower surface, make transparent cover plate 21 and upper cover subassembly 1's holding tank 11 bond through joint compound 3 in the side through setting up, greatly reduced joint compound 3's width to make the frame can be done very narrowly, and guaranteed the viscose area, make and can effectively reliably bond between screen module 2 and the upper cover subassembly 1.

According to the display screen assembly 100 provided by the embodiment of the invention, the side surface of the transparent cover plate 21 is bonded with the side wall of the accommodating groove 11 of the upper cover assembly 1 through the gap filling glue 3, so that the frame can be narrowed, the transparent cover plate 21 and the upper cover assembly 1 can be firmly bonded into a whole, and the user experience is improved.

According to some embodiments of the present invention, referring to fig. 1, a step portion 12 protruding inward is disposed on a sidewall of the receiving groove 11, a supporting glue 4 is disposed on the step portion 12, and the supporting glue 4 is disposed below the gap-filling glue 3 to separate the gap-filling glue 3 from the backlight module 23. Here, it should be noted that the direction "in" is understood to be a direction toward the center of the receiving groove 11, and the opposite direction is defined as "out", i.e., a direction away from the center of the receiving groove 11. Therefore, by arranging the step part 12 and arranging the supporting glue 4 on the step part 12, the supporting glue 4 can be effectively prevented from sinking, and when the subsequent point of the gap filling glue 3 is ensured, the gap filling glue 3 can not flow down to the backlight module 23 side to influence the bonding of the upper cover assembly 1 and the transparent cover plate 21.

Alternatively, the fluidity of the support paste 4 is lower than that of the caulking paste 3. Thereby, the supporting paste 4 has a higher hardness than the gap filling paste 3, so that the supporting paste 4 can be better supported on the stepped portion 12 to isolate the gap filling paste 3 from the backlight module 23.

Further, as shown in fig. 1, the side surfaces of the display screen 22 and the backlight module 23 are provided with a light shielding glue 24, the display screen 22 and the backlight module 23 are connected by the light shielding glue 24, and the supporting glue 4 is supported between the step portion 12 and the light shielding glue 24. Backlight unit 23 and display screen 22 can directly point shading glue 24 overlap joint together, and support glue 4 and shading glue 24 are being close to this moment for the glue 3 of caulking of top can not flow to backlight unit 23 department downwards through the clearance between support glue 4 and the shading glue 24, thereby has effectively guaranteed the reliable bonding between upper cover subassembly 1 and the transparent cover plate 21.

Specifically, for example, in the example of fig. 1, the step portion 12 protrudes inward from the lower portion of the side wall of the accommodation groove 11, and the lower surface of the step portion 12 is in contact with the bottom wall of the accommodation groove 11, with the step portion 12 being a part of the upper cover assembly 1. Of course, the present invention is not limited thereto, and in other examples of the present invention, the step portion 12 may be formed by at least one gasket (not shown), for example, the gasket may be plural, and plural gaskets are stacked in the receiving groove 11 to form the step portion 12.

According to some embodiments of the present invention, the transparent cover plate 21 is provided with the caulking compound 3 throughout the entire circumference. Thereby, the frame can be made narrow in the entire circumferential direction. For example, when the transparent cover 21 is rectangular and the shape of the accommodation groove 11 is matched to the shape of the transparent cover 21, the frame can be made extremely uniform in the entire circumferential direction.

Further, the entire circumference of the screen module 2 is provided with a support glue 4. Therefore, the frame can be further ensured to be narrow in the whole circumferential direction, and the reliability of the bonding between the upper cover assembly 1 and the screen module 2 is also ensured.

Alternatively, the support adhesives 4 may be respectively disposed on both sides of the screen module 2 in the width direction. It is possible to realize that both sides (for example, the left and right sides) in the width direction of the bezel are made extremely uniform at this time.

Optionally, the transparent cover plate 21 is a glass piece. But is not limited thereto.

According to the display screen assembly 100 provided by the embodiment of the invention, the traditional plane dispensing mode is replaced by adopting the form of side dispensing (namely, the upper cover and the side edge of the cover plate are bonded together by glue such as the gap filling glue 3), so that the left and right frames can be at least extremely dispensed, the ultra-narrow frame dispensing is realized, the screen occupation ratio is improved, and meanwhile, the arrangement of the support glue 4 ensures that the gap filling glue 3 is not easy to underflow, and the effective and reliable bonding of the side surface of the transparent cover plate 21 and the upper cover assembly 1 is ensured.

Alternatively, the color of the caulking compound 3 may be the same as that of the cap assembly 1 so that the appearance color thereof is maintained to be uniform.

As shown in fig. 2, a method of manufacturing a display screen assembly 100 according to an embodiment of the second aspect of the invention.

Wherein, display screen subassembly 100 is including having the open holding tank 11's in top upper cover subassembly 1 and establishing the screen module 2 in holding tank 11, screen module 2 includes from the top down transparent cover plate 21 that sets gradually, display screen 22 and backlight unit 23, wherein the side of transparent cover plate 21 and the lateral wall of holding tank 11 bond through joint filling glue 3, be equipped with inside convex step portion 12 on the lateral wall of holding tank 11, be equipped with supporting glue 4 on step portion 12, supporting glue 4 is located joint filling glue 3's below and keeps apart joint filling glue 3 and backlight unit 23.

The method of manufacturing the display screen assembly 100 includes the steps of:

dispensing a support glue 4 on the step part 12 of the upper cover assembly 1;

placing the screen module 2 into the accommodating groove 11 and maintaining the pressure;

and joint compound 3 is arranged on the side surface of the screen module 2.

Specifically, point support glue 4 is firstly put on step portion 12 of the accommodating groove 11 of the upper cover assembly 1, then the screen assembly is put into the accommodating groove 11 and is maintained for a period of time, and then gap filling glue 3 is arranged at the gap between the side surface of the screen module 2 and the side wall of the accommodating groove 11 so as to realize the bonding between the screen module 2 and the upper cover assembly 1.

According to the manufacturing method of the display screen assembly 100 of the embodiment of the invention, the frame can be made narrow well, and the transparent cover plate 21 and the upper cover assembly 1 can be bonded together firmly.

According to some embodiments of the present invention, the support glues 4 are dotted on both sides in the width direction of the screen module 2. The left and right frames can be made extremely convenient at this time.

Further, before the pressure maintaining, the method for manufacturing the display panel assembly 100 further includes the steps of:

structural adhesives are respectively dotted on two sides of the screen module 2 in the length direction.

The structural glue can then be dispensed between the lower surface of the screen module 2 and the bottom wall of the accommodating groove 11.

It will be appreciated that the spot-structured glue may be located after the spot-supported glue 4 or before the spot-supported glue 4. The specific sequence of the point support glue 4 and the point structure glue can be specifically set according to actual requirements so as to better meet the actual application.

According to some embodiments of the present invention, excess caulking compound 3 is wiped off after the caulking compound 3 is dispensed. To ensure the aesthetics of the entire display screen assembly 100.

As shown in fig. 3 and 4, an electronic device 200 according to a third embodiment of the present invention includes the display screen assembly 100 according to the first embodiment of the present invention.

As used herein, electronic device 200 includes, but is not limited to, apparatus arranged to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communications electronic device 200). The communication electronic device 200 arranged to communicate over a wireless interface may be referred to as a "wireless communication electronic device 200", a "wireless electronic device 200" and/or a "mobile electronic device 200". Examples of mobile electronic devices 200 include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) electronic device 200 that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver.

In some embodiments of the present invention, the electronic device 200 may be various devices capable of acquiring and processing data from the outside, or the electronic device 200 may be various devices that have a built-in battery and can acquire and charge the battery from the outside, such as a mobile phone, a tablet computer, a computing device, an information display device, or the like.

The electronic device 200 to which the present invention is applied is described by taking a mobile phone as an example. In some embodiments of the present invention, a mobile phone may include radio frequency circuitry, memory, an input unit, a wireless fidelity (WiFi) module, a display unit, a sensor, audio circuitry, a processor, a projection unit, a camera unit, a battery, and the like.

The radio frequency circuit can be used for receiving and sending signals in the process of receiving and sending information or calling, and particularly, the radio frequency circuit receives the downlink information of the base station and then processes the downlink information; in addition, the uplink data of the mobile phone is sent to the base station. Typically, the radio frequency circuitry 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 circuitry 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 Global System for Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Message Service (SMS), and the like.

The memory can be used for storing software programs and modules, and the processor executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory. The memory can mainly comprise a program storage area and a data storage area, wherein the program storage area can store an operating system, application programs (such as a sound playing function and an image playing function) required by at least one function and the like; the storage data area may store data (e.g., audio data, a phonebook, etc.) created according to the use of the cellular phone, etc. Further, the memory 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 input unit may be used to receive input numeric or character information and generate key signals related to user settings and function control of the cellular phone. Specifically, the input unit may include a touch panel and other input devices. The touch panel, also called a touch screen, may collect touch operations of a user (for example, operations of the user on or near the touch panel using any suitable object or accessory such as a finger, a stylus, etc.) and drive the corresponding connection device according to a preset program. Alternatively, the touch panel may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch direction of a 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 the touch information into touch point coordinates, sends the touch point coordinates to the processor, and can receive and execute commands sent by the processor. In addition, the touch panel may be implemented in various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The input unit may include other input devices in addition to the touch panel. In particular, other input devices may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.

The display unit may be used to display information input by a user or information provided to the user, and various menus of the mobile phone, among others. The Display unit may include a Display panel, and optionally, the Display panel may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like. Further, the touch panel may cover the display panel, and when the touch panel detects a touch operation thereon or nearby, the touch panel transmits the touch operation to the processor to determine the type of the touch event, and then the processor provides a corresponding visual output on the display panel according to the type of the touch event.

The position in the visual output external display panel that can be recognized by the human eye may be referred to as a "display region" as described below. The touch panel and the display panel can be used as two independent components to realize the input and output functions of the mobile phone, and the touch panel and the display panel can be integrated to realize the input and output functions of the mobile phone.

In addition, the handset may also include at least one sensor, such as an attitude sensor, a light sensor, and other sensors.

Specifically, the attitude sensor may also be referred to as a motion sensor, and as one of the motion sensors, a gravity sensor may be cited, which uses an elastic sensing element to make a cantilever-type displacer and uses an energy storage spring made of the elastic sensing element to drive an electrical contact, thereby realizing conversion of a change in gravity into a change in an electrical signal.

Another example of the motion sensor is an accelerometer sensor, which can detect the magnitude of acceleration in each direction (generally, three axes), detect the magnitude and direction of gravity when stationary, and can be used for applications for recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like.

In some embodiments of the present invention, the motion sensor listed above may be used as an element for obtaining the "attitude parameter" described later, but the present invention is not limited thereto, and other sensors capable of obtaining the "attitude parameter" fall within the protection scope of the present invention, for example, a gyroscope, etc., and the operation principle and data processing procedure of the gyroscope may be similar to those of the prior art, and the detailed description thereof is omitted here for avoiding redundancy.

In addition, in the embodiment of the present invention, as the sensor, other sensors such as a barometer, a hygrometer, a thermometer, and an infrared sensor may be further configured, which are not described herein again.

The light sensor may include an ambient light sensor that adjusts the brightness of the display panel according to the brightness of ambient light, and a proximity sensor that turns off the display panel and/or the backlight when the mobile phone is moved to the ear.

The audio circuitry, speaker and microphone may provide an audio interface between the user and the handset. The audio circuit can transmit the electric signal converted from the received audio data to the loudspeaker, and the electric signal is converted into a sound signal by the loudspeaker to be output; on the other hand, the microphone converts the collected sound signal into an electric signal, the electric signal is received by the audio circuit and then converted into audio data, and the audio data is processed by the audio data output processor and then sent to another mobile phone through the radio frequency circuit or output to the memory for further processing.

WiFi belongs to short-distance wireless transmission technology, and the mobile phone can help a user to receive and send e-mails, browse webpages, access streaming media and the like through a WiFi module, and provides wireless broadband internet access for the user. It is understood that the WiFi module is not an essential component of the handset and can be omitted entirely as needed within the scope of not changing the essence of the invention.

The processor is a control center of the mobile phone, is connected with each part of the whole mobile phone by various interfaces and lines, and executes various functions and processes data of the mobile phone by running or executing software programs and/or modules stored in the memory and calling the data stored in the memory, thereby carrying out the integral monitoring on the mobile phone. Alternatively, the processor may include one or more processing units; preferably, the processor may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications.

It will be appreciated that the modem processor described above may not be integrated into the processor.

Also, the processor may perform the same or similar functions as the processing unit as the implementation elements of the processing unit.

The handset also includes a power source (such as a battery) to power the various components.

Preferably, the power supply may be logically connected to the processor through a power management system, so as to implement functions of managing charging, discharging, and power consumption management through the power management system. Although not shown, the mobile phone may further include a bluetooth module, etc., which will not be described herein.

It should be noted that the mobile phone is only an example of an electronic device, and the present invention is not particularly limited, and the present invention may be applied to an electronic device such as a mobile phone and a tablet computer, and the present invention is not limited thereto.

Other configurations and operations of the electronic device 200 according to the embodiment of the present invention, such as a mobile phone, are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A display screen assembly, comprising:

the upper cover assembly is internally provided with an accommodating groove with an open top;

the screen module, the screen module is established in the holding tank, the screen module includes from the top down transparent cover plate, display screen and backlight unit that sets gradually, wherein the side of transparent cover plate with the lateral wall of holding tank bonds through caulking compound, be equipped with inside convex step portion on the lateral wall of holding tank, be equipped with the support glue on the step portion, the support glue is located on the step face of the horizontal extension of step portion, the support glue is located the below of caulking glue is in order to with caulking glue with backlight unit keeps apart, the display screen with backlight unit's side is equipped with the shading and glues, the display screen with backlight unit passes through the shading is glued and is connected, wherein the support glue is supported step portion with between the shading and glues.

2. The display screen assembly of claim 1, wherein the support glue has a lower flow than the caulking glue.

3. The display screen assembly of claim 1, wherein the step is comprised of at least one spacer.

4. The display screen assembly of claim 1, wherein the caulking compound is disposed on an entire circumference of the transparent cover plate.

5. A display screen assembly according to any one of claims 1 to 4, wherein the support glue is provided on each side of the screen module in the width direction.

6. A display screen assembly according to any one of claims 1 to 4, wherein the support glue is provided around the entire circumference of the screen module.

7. The display screen assembly of claim 1, wherein the transparent cover plate is a glass piece.

8. A manufacturing method of a display screen assembly is characterized in that the display screen assembly comprises an upper cover assembly with an accommodating groove with an open top and a screen module arranged in the accommodating groove, the screen module comprises a transparent cover plate, a display screen and a backlight module which are sequentially arranged from top to bottom, wherein the side surface of the transparent cover plate is bonded with the side wall of the accommodating groove through gap filling glue, the side wall of the accommodating groove is provided with an inward convex step part, the step part is provided with supporting glue, the supporting glue is positioned on the horizontally extending step surface of the step part, the supporting glue is positioned below the gap filling glue to separate the gap filling glue from the backlight module, the side surfaces of the display screen and the backlight module are provided with shading glue, the display screen and the backlight module are connected through the shading glue, wherein the supporting glue is supported between the step part and the shading glue,

the manufacturing method comprises the following steps:

dotting the support glue on the step part of the upper cover assembly;

and dispensing the gap filling glue on the side surface of the screen module.

9. The method of manufacturing a display screen assembly of claim 8, wherein the support glue dots are on both sides of the screen module in a width direction.

10. The method of manufacturing a display panel assembly of claim 9, further comprising, before the maintaining pressure, the steps of:

and respectively dispensing structural glue on two sides of the screen module in the length direction.

11. The method of manufacturing a display screen assembly according to claim 8, wherein excess caulking compound is wiped off after the caulking compound is dispensed.

12. An electronic device, comprising a display screen assembly according to any one of claims 1-7.