CN214476091U

CN214476091U - Ink structure and terminal equipment of glass apron

Info

Publication number: CN214476091U
Application number: CN202120442633.3U
Authority: CN
Inventors: 李�瑞; 师振华; 邵海涛; 尹景浩; 郭晓明
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-10-22
Anticipated expiration: 2031-03-01

Abstract

The disclosure relates to an ink structure of a glass cover plate and a terminal device. The ink structure includes: the covering layer is attached to the glass cover plate; the bonding layer is used for bonding with glue; and the buffer layer is positioned between the cover layer and the adhesive layer, adheres to the cover layer and the adhesive layer and can buffer at least part of buffer energy. The ink structure of the embodiment of the disclosure can improve the bonding strength attached to the glass cover plate when being bonded with glue, can improve the impact force applied to the glass cover plate, and can reduce the deinking condition of the ink structure when the terminal equipment drops to generate the impact force. In addition, the ink structure disclosed by the embodiment of the disclosure can bear larger impact force through the buffer layer, and the deinking condition of the ink structure when the terminal equipment falls to generate impact force can also be reduced.

Description

Ink structure and terminal equipment of glass apron

Technical Field

The disclosure relates to the field of printing ink printing, in particular to a printing ink structure of a glass cover plate and a terminal device.

Background

With the advent of the 5th generation mobile communication technology (5G), functional modules inside the terminal equipment are gradually increased, especially for a large-capacity battery, so that the heavier the weight of the terminal equipment is, the more the impact force applied to the terminal equipment in the falling process is increased. Moreover, as a two-Dimensional (2D) display screen of the terminal device gradually develops toward a 3D curved display screen, the impact force borne by the ink on the glass cover plate of the 3D curved display screen also increases. The ink structure of the existing glass cover plate has a deinking problem in case the ink structure overcomes the increase of the impact force.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides an ink structure of a glass cover plate and a terminal device.

In a first aspect of the embodiments of the present disclosure, an ink structure of a glass cover plate is provided, where the ink structure includes:

the covering layer is attached to the glass cover plate;

the bonding layer is used for bonding with glue;

the buffer layer is positioned between the covering layer and the adhesive layer, adheres the covering layer and the adhesive layer and can buffer at least part of buffering energy; and the bonding force between the covering layer and the glass cover plate is greater than that between the glue and the glass cover plate.

In some embodiments, the toughness of the adhesion layer and the toughness of the buffer layer are both higher than the toughness of the capping layer.

In some embodiments, the cover layer is formed of an epoxy resin.

In some embodiments, the adhesive layer and the buffer layer are formed of the same adhesive material.

In some embodiments, the same adhesive material comprises a polyester resin.

In some embodiments, the masking layer is black.

In a second aspect of the embodiments of the present disclosure, a terminal device is provided, where the terminal device includes:

a housing;

a display screen, comprising: the display module comprises a glass cover plate and a display module attached to the glass cover plate; the edge of the glass cover plate is connected with the shell through glue, and an accommodating space is formed by the edge of the glass cover plate and the shell in a surrounding mode; the display module is positioned in the accommodating space;

an ink construction as in the first aspect above, located between the glass cover plate and the glue;

and the bonding strength of the ink structure and the glass cover plate is greater than that of the glue and the glass cover plate.

In some embodiments, the capping layer of the ink structure is connected to the glass cover plate; and the bonding layer of the printing ink structure is connected with the glue.

In some embodiments, the glass cover plate comprises a main body part and a bending part formed by bending and extending the main body part outwards;

the ink structure covers the end face of the bent part connected with the shell.

In some embodiments, the ink structure is printed on the glass cover plate by a pad printing process.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

in the embodiment of the disclosure, the bonding layer is bonded with glue, the covering layer is attached to the glass cover plate, and the bonding force between the covering layer and the glass cover plate is greater than the bonding force between the glue and the glass cover plate, that is, the ink structure of the embodiment of the disclosure can also improve the bonding strength attached to the glass cover plate when being bonded with the glue, can improve the impact force received by the glass cover plate, and can reduce the deinking condition of the ink structure when the terminal device drops to generate the impact force. And the ink structure comprises a covering layer, an adhesive layer and a buffer layer, wherein the buffer layer is positioned between the covering layer and the adhesive layer and can buffer at least part of buffer energy. Thus, the printing ink structure of this disclosure embodiment can bear bigger impact force through the buffer layer, also can reduce the deinking condition of printing ink structure when terminal equipment drops and produces the impact force.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic illustration of an ink architecture for a glass cover plate, according to an exemplary embodiment.

Fig. 2 is a first schematic structural diagram of a terminal device according to an exemplary embodiment.

Fig. 3 is a schematic structural diagram ii of a terminal device according to an exemplary embodiment.

Fig. 4 is a block diagram illustrating a terminal device according to an example embodiment.

Detailed Description

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

FIG. 1 is a schematic diagram illustrating an ink architecture of a glass cover plate according to an exemplary embodiment. As shown in fig. 1, the ink structure includes:

a cover layer 102 attached to the glass cover plate 101;

an adhesive layer 104 for adhesion with glue 105;

a buffer layer 103 located between the cap layer 102 and the adhesive layer 104, adhering the cap layer 102 and the adhesive layer 104, and capable of buffering at least part of buffering energy; and the bonding force between the covering layer and the glass cover plate is greater than that between the glue and the glass cover plate.

In the embodiment of the disclosure, the glass cover plate is a protective cover plate of a display screen with a display function, and the ink structure can be used for covering connecting lines and connecting glue of the display screen and enhancing the bonding strength in bonding the glass cover plate and the glue.

The covering layer is attached to the glass cover plate. In some embodiments, a cover layer may be covered on the edge of the glass cover plate for covering the connection lines and connection glue of the display screen. The color of the cover layer can be set according to the color of the housing of the terminal device applied to the glass cover plate. For example, the color of the cover layer may be set to match the color of the housing of the terminal device. The color of the housing in the terminal device may be black, and in some embodiments, the cover layer is black. Therefore, the consistency of the appearance color of the terminal equipment can be improved.

In some embodiments, the adhesion of the cover layer to the glass cover plate is greater than the adhesion of the glue to the glass cover plate. Therefore, the covering layer is attached to the glass cover plate, the covering requirement of the ink structure is met, meanwhile, the bonding strength of the ink structure attached to the glass cover plate can be improved, and the deinking condition of the ink structure when the terminal equipment drops to generate impact force can be reduced.

Where the impact force includes a tensile force from the glass cover plate as well as a shear stress, embodiments of the present disclosure are not limited.

The bonding layer is used for bonding with glue. That is, the adhesive layer may be a layer capable of fusing with glue, and used together to adhere the glass cover plate and the housing of the terminal device having the glass cover plate.

In the process of fusing the bonding layer and the glue, the bonding strength of the glue bonding shell is not reduced by the bonding layer. Therefore, based on the fact that the bonding force between the covering layer and the glass cover plate is greater than the bonding force between glue and the glass cover plate, and the bonding strength of the glue for bonding the shell is not reduced by the bonding between the bonding layer and the glue, the bonding strength of the ink structure attached to the glass cover plate can be improved by the ink structure of the embodiment on the basis of maintaining the bonding strength of the glue and the shell.

In some embodiments, the dyne value of the adhesion layer is greater than a preset dyne value. For example, the preset dyne value may be set to 41 or 38. The embodiment of the disclosure sets the dyne value of the bonding layer to be larger than the preset dyne value, can improve the bonding strength of the bonding layer for bonding the covering layer and the buffer layer, and further can reduce the deinking condition of the ink structure when the terminal equipment drops to generate impact force.

In another embodiment, the adhesive layer may be: the adhesive layer is provided with the pores with large preset pore diameters, so that liquid glue before curing can permeate into the pores, and the adhesive layer and the glue are more stably fixed.

Above-mentioned buffer layer for the linking layer of cover layer and bond line, can adhere cover layer and bond line, can also cushion the impact force that the terminal equipment who has this glass apron dropped the production.

The buffer layer can buffer at least part of buffer energy. The buffer energy is the impact energy corresponding to the impact force generated by the falling of the terminal equipment. The greater the impact force, the greater the corresponding cushioning energy. In the disclosed embodiment, when the impact force is less than the set force, the buffer layer can buffer the whole buffer energy; when the impact force is larger than or equal to the set force, the buffer layer can buffer part of buffer energy, the rest part of buffer energy can be buffered by the bonding layer, and the buffer layer and the bonding layer can buffer the energy generated by the impact force, so that the deinking condition of the ink structure when the terminal equipment falls to generate the impact force can be reduced.

Illustratively, the toughness of the bonding layer may be greater than or equal to that of the buffer layer, and the embodiments of the present disclosure are not limited.

In the embodiment of the disclosure, the toughness of the bonding layer and the toughness of the buffer layer are both higher than the toughness of the cover layer. For the toughness that sets up the bond line and the toughness of buffer layer all is less than the toughness of cover layer, this disclosed embodiment can make the printing ink structure can bear bigger impact force, has reduced the deinking condition of printing ink structure when terminal equipment drops and produces the impact force.

In some embodiments, the cover layer is formed of an epoxy resin.

In the embodiment of the disclosure, the epoxy resin has the characteristic of high bonding strength, and the covering layer is formed by the epoxy resin, so that the bonding strength of the covering layer attached to the glass cover plate can be improved, and the deinking condition caused by the separation of the glass cover plate and the ink structure when the terminal equipment drops to generate impact force is reduced.

In the embodiment of the disclosure, because the same adhesive material has the same adhesive polarity, the adhesive layer and the buffer layer are formed by the same adhesive material, so that the adhesive strength between the adhesive layer and the buffer layer can be improved, the adhesive layer and the buffer layer can fully absorb the buffering energy, the deinking condition caused by the separation of the adhesive layer and the buffer layer when the terminal device drops to generate an impact force can be reduced, and the deinking condition caused by the separation of the adhesive layer and the cover layer when the terminal device drops to generate an impact force can be reduced.

In some embodiments, the same adhesive material comprises a polyester resin.

In this disclosed embodiment, polyester resin's toughness is higher than epoxy's toughness, includes one deck polyester resin and two-layer epoxy for the printing ink structure, this disclosed embodiment sets up the printing ink structure into two-layer polyester resin one deck epoxy, can make the impact force that the printing ink structure bore can promote the twice.

As shown in fig. 2 and fig. 3, an embodiment of the present disclosure further provides a terminal device, where the terminal device includes:

a housing;

a display screen, comprising: the display module comprises a glass cover plate 201 and a display module attached to the glass cover plate; the edge of the glass cover plate 201 is connected with the shell 204 through glue 203, and an accommodating space is enclosed by the shell; the display module is positioned in the accommodating space;

the ink structure 202 in some embodiments described above is located between the glass cover plate 201 and the glue 203;

Above-mentioned terminal equipment is for being provided with the terminal equipment of display screen, and this terminal equipment can be wearable electronic equipment and mobile terminal, and this mobile terminal includes cell-phone, notebook and panel computer, and this wearable electronic equipment includes intelligent wrist-watch or intelligent bracelet, and this disclosed embodiment does not do the restriction.

In the embodiment of the present disclosure, the glass cover plate is a protective cover plate of the display module, and the display content of the display module can be viewed through the glass cover plate. This display module assembly includes: a Display module formed by a Liquid Crystal Display (LCD), a Display module formed by a Cathode Ray Tube (CRT), or a Display module in the form of an Organic Light Emitting Diode (OLED), which is not limited in the embodiments of the present disclosure.

The glass cover plate is connected with the shell through glue, and the printing ink structure is located between the glass cover plate and the glue. That is, the embodiment of the present disclosure realizes the adhesion between the glass cover plate and the housing by the glue and the ink structure. The printing ink structure can be bonded with the glue, and the bonding strength of the glue can not be reduced while the bonding strength of the printing ink structure and the glass cover plate is improved.

For directly realizing the bonding of glass apron and casing with glue, because the bonding strength of glue and glass apron is less than the bonding strength of printing ink structure and glass apron, consequently, this disclosed embodiment realizes the bonding of glass apron and casing through glue and printing ink structure, can improve the bonding strength of casing and glass apron, can bear the impact force that bigger terminal equipment dropped the production, can reduce the deinking condition.

In a reliability test, 10 ink structures of the existing terminal devices and 10 ink structures of the terminal devices provided by the embodiment of the disclosure are tested, 8 terminal devices in the existing terminal devices have ink falling conditions, and only 1 terminal device in the terminal devices provided by the embodiment of the disclosure has fragmentation conditions.

Moreover, the ink structure of the terminal device provided by the embodiment of the disclosure is adopted to perform directional failure ratio analysis, the failure ratio of the ink structure of the terminal device provided by the embodiment of the disclosure is 1/12 or 2/12, and is as high as 62.5% compared with the failure ratio of the existing ink structure, and the ink structure of the terminal device provided by the embodiment of the disclosure can play a role in obviously improving the failure ratio. Therefore, in the reliability test, the ink structure of the terminal device provided by the embodiment of the disclosure can bear larger impact force, and the deinking condition can be reduced to the greatest extent.

In the embodiment of the disclosure, the covering layer of the ink structure can be formed by epoxy polyester, and based on the characteristic that epoxy resin has high bonding strength, the covering layer is connected with the glass cover plate, so that the bonding strength between the ink structure and the glass cover plate can be improved, and the ink deinking condition is reduced.

In an embodiment of the present disclosure, the glass cover plate includes a main body portion and a bent portion. The area of the main body portion is larger than the area of the bending portion, and the main body portion can be regarded as a planar portion relative to the bending portion, and when the planar portion is a rectangular plane, the bending portion can be disposed on two opposite sides, and can also be disposed on four sides.

Illustratively, the glass cover plate may be a curved glass cover plate.

In the curved glass cover plate, the curved portion of the curved glass cover plate is connected with the housing during the actual assembly process, and therefore, the ink structure is disposed on the end face of the curved portion connected with the housing in the embodiment of the disclosure. Therefore, the ink structure disclosed by the embodiment of the disclosure can be suitable for bonding the curved glass cover plate, and can also improve the bonding strength between the curved glass cover plate and the shell.

In the embodiment of the disclosure, the ink structure can be printed on the glass cover plate by a pad printing machine. Since pad printing can be performed on an uneven surface, and the ink printed by pad printing is fast in drying speed. Therefore, the ink structure of the embodiment of the disclosure is printed on the glass cover plate through the pad printing process, so that the drying speed of the printing ink can be improved, meanwhile, the ink structure can be suitable for the irregular surface of the glass cover plate, and the application range of ink printing is expanded.

Fig. 4 is a block diagram illustrating a terminal device according to an example embodiment. For example, the terminal device may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.

Referring to fig. 4, the terminal device may include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and a communication component 816.

The processing component 802 generally controls overall operation of the terminal device, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 802 may include one or more processors 820 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interaction between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.

The memory 804 is configured to store various types of data to support operations at the terminal device. Examples of such data include instructions for any application or method operating on the terminal device, contact data, phonebook data, messages, pictures, videos, etc. The memory 804 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The power component 806 provides power to various components of the terminal device. The power components 806 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the terminal device.

The multimedia component 808 includes a screen that provides an output interface between the terminal device and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front facing camera and/or a rear facing camera. When the terminal device is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the terminal device is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 also includes a speaker for outputting audio signals.

The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

The sensor component 814 includes one or more sensors for providing various aspects of state assessment for the terminal device. For example, sensor assembly 814 may detect the open/closed status of the terminal device, the relative positioning of components, such as a display and keypad of the terminal device, the change in position of the terminal device or a component of the terminal device, the presence or absence of user contact with the terminal device, the orientation or acceleration/deceleration of the terminal device, and the change in temperature of the terminal device. Sensor assembly 814 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 816 is configured to facilitate communication between the terminal device and other devices in a wired or wireless manner. The terminal device may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, communications component 816 further includes a Near Field Communications (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

In an exemplary embodiment, the terminal device may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. An ink structure for a glass cover plate, the ink structure comprising:

the covering layer is attached to the glass cover plate;

the bonding layer is used for bonding with glue;

2. The ink architecture of claim 1, wherein a toughness of the adhesion layer and a toughness of the buffer layer are both higher than a toughness of the capping layer.

3. An ink construction according to claim 1 or 2, characterized in that the capping layer is formed of epoxy.

4. The ink structure of claim 1 or 2, wherein the adhesive layer and the buffer layer are formed of the same adhesive material.

5. The ink structure of claim 4, wherein the same binder material comprises a polyester resin.

6. An ink set according to claim 1 or 2, characterised in that the capping layer is black.

7. A terminal device, comprising:

a housing;

the ink structure of any one of claims 1 to 6, located between the glass cover plate and the glue;

8. The terminal device of claim 7, wherein the cover layer of the ink structure is connected to the glass cover plate; and the bonding layer of the printing ink structure is connected with the glue.

9. The terminal device according to claim 7 or 8, wherein the glass cover plate comprises a main body part and a bending part formed by extending the main body part in an outward bending way;

10. Terminal device according to claim 7 or 8, characterized in that the ink structure is printed on the glass cover plate by means of a pad printing process.