CN210666526U

CN210666526U - Folding screen assembly and terminal equipment

Info

Publication number: CN210666526U
Application number: CN201921818700.6U
Authority: CN
Inventors: 朱迅
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-02
Anticipated expiration: 2029-10-28

Abstract

The utility model relates to a folding screen subassembly and terminal equipment, folding screen subassembly includes casing and folding screen, is equipped with flexible glass layer between casing and the folding screen, and the casing includes first portion and second portion, and articulated connection between first portion and the second portion, the inside wall at the casing is fixed at the edge of flexible glass layer. This openly can guarantee better roughness, reduces the unevenness problem of screen when adopting the terminal equipment of folding screen subassembly to use.

Description

Folding screen assembly and terminal equipment

Technical Field

The present disclosure relates to the field of electronic devices, and in particular, to a foldable screen assembly and a terminal device.

Background

Along with the rapid development of the flexible display technology, the folding screen is gradually applied to various terminal devices, the terminal devices with the folding screen can change the shape and the size of the screen, great convenience is brought to users, and better use experience is brought to the users.

In the related art, the folding screen assembly comprises a shell and a folding screen, and a bendable steel plate is arranged between the shell and the folding screen. The housing generally includes a first portion and a second portion connected by a hinge or the like, and the folding screen assembly is foldable at a hinged position between the first portion and the second portion to meet a user's usage.

However, because the steel plate has certain ductility, the steel plate can be subjected to plastic deformation after being bent for a long time, so that the bent part is difficult to recover the original flat state, and the use experience and the display effect of the terminal equipment are influenced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the disclosure provides a folding screen assembly and a terminal device, and the problem of unevenness of a screen when the terminal device adopting the folding screen assembly is used can be reduced.

According to a first aspect of the embodiments of the present disclosure, there is provided a folding screen assembly, including a housing and a folding screen, a flexible glass layer is disposed between the housing and the folding screen, the housing includes a first portion and a second portion, the first portion and the second portion are hinged to each other, and an edge of the flexible glass layer is fixed on an inner side wall of the housing.

In some possible embodiments, the flexible glass layer includes a first surface facing the bottom surface of the housing and a second surface facing away from the bottom surface of the housing, the flexible glass layer further including a compressive stress region located above the hinge of the first and second portions, the compressive stress region extending from the second surface toward the first surface.

In some possible embodiments, the flexible glass layer may be any suitable glass that maintains a bent state without breaking for more than 60 minutes and the flexible glass layer is bent for more than 200,000 cycles without breaking when bent from the second surface to the first surface in an environment having a temperature of 20 to 25 ℃ and a relative humidity of 40 to 60%.

In some possible embodiments, the flexible glass layer is integrally formed with the housing.

In some possible embodiments, the flexible glass layer is injection molded with the housing.

In some possible embodiments, the folding screen includes a film substrate, a display touch layer, and a film substrate, which are stacked.

In some possible embodiments, the flexible glass layer is adhesively secured to the film substrate.

In some possible embodiments, the flexible glass layer and the film substrate are bonded by an optical glue layer.

In some possible embodiments, the housing is a metal housing.

In some possible embodiments, the housing comprises a first portion and a second portion, the first portion and the second portion being hingedly connected.

According to another aspect of the embodiments of the present disclosure, there is provided a terminal device including the folding screen assembly as described in any one of the above.

In some possible embodiments, the terminal device is any one of a cell phone, a computer, a tablet device, a personal digital assistant, a medical device, or an exercise device.

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

this openly connects casing and folding screen through flexible glass layer, and flexible glass layer is glass state's high modulus elastic material under normal use environment, and it is fast to resume flat state after buckling, is difficult for taking place plastic deformation to can guarantee better roughness, the unevenness problem of screen when reducing the terminal equipment who adopts the folding screen subassembly and using.

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 present disclosure and together with the description, serve to explain the principles of the disclosure.

Figure 1 is a schematic view of a prior art folding screen assembly.

Figure 2 is a simplified assembly process for the folding screen assembly of figure 1.

FIG. 3 is a simplified structural diagram illustrating a folding screen assembly according to an exemplary embodiment.

Figure 4 is a simplified assembly process for the folding screen assembly of figure 3.

Fig. 5 is a schematic structural diagram of a terminal device shown according to an exemplary embodiment.

Description of reference numerals:

100-a housing;

200-folding screen;

210-a bendable steel plate;

220-a thin film substrate;

230-display touch layer;

240-a thin film substrate;

300-a housing assembly;

310-a housing;

320-a flexible glass layer;

400-folding the screen;

410-a thin film substrate;

420-display touch layer;

430-a thin film substrate;

510-a memory;

520-a processor;

530-power supply components;

540-multimedia components;

550-an audio component;

560 — input/output (I/O) interface;

570-a sensor assembly;

580 — a communications component.

With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.

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 implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The following are embodiments of the disclosed apparatus that may be used to perform embodiments of the disclosed methods. For details not disclosed in the embodiments of the apparatus of the present disclosure, refer to the embodiments of the method of the present disclosure.

FIG. 1 is a schematic view of a prior art folding screen assembly; FIG. 2 is a simplified assembly process of the folding screen assembly of FIG. 1; please refer to fig. 1-2. In the related art, the foldable screen assembly includes a housing 100 and a foldable screen 200, and a bendable steel plate 210 is disposed between the housing 100 and the foldable screen 200. The housing 100 generally includes a first portion and a second portion connected by a hinge or the like, and the foldable screen assembly is foldable at a hinged position between the first portion and the second portion to meet a user's usage.

Specifically, referring to fig. 2, the foldable screen 200 includes a bendable steel plate 210, a film substrate 220, a display touch layer 230, and a film substrate 240, which are sequentially stacked, and when the foldable screen is assembled, the bendable steel plate 210 and the film substrate 220 are first combined into a whole, and then the foldable screen is assembled with the housing 100 to form a foldable screen assembly, and finally, the flatness detection is performed to facilitate the use of the subsequent processes.

However, the steel plate has certain ductility, and can be subjected to ductile plastic deformation after being bent for a long time, so that the bent part is difficult to recover the original flat state, and the flatness of the folding screen assembly is influenced; in addition, the housing 100 has a certain unevenness during the manufacturing process, which may affect the flatness of the bendable steel plate 210 after the bonding process; thirdly, the pressure sensitive foam adhesive is generally adopted for bonding when the bendable steel plate 210 is attached to the shell 100, and for avoiding bonding bubbles, the roller is generally adopted to gradually press from one side of the bendable steel plate 210 to the other side, in the process, the difference of the surface flatness of the bendable steel plate 210 can be caused by the unevenness of the pressure sensitive foam adhesive filled in each part or the difference of the pressure applied to the roller during pressing. Therefore, the flatness of the folding screen assembly in the scheme in the related art is difficult to ensure, so that the use experience and the display effect of the terminal equipment are influenced.

Example one

FIG. 3 is a simplified structural diagram of a folding screen assembly according to an exemplary embodiment; FIG. 4 is a simplified assembly process of the folding screen assembly of FIG. 3; please refer to fig. 3-4. The present embodiment provides a folding screen assembly comprising a housing 310 and a folding screen 400 with a flexible glass layer 320 disposed between the housing 310 and the folding screen 400. Wherein, the housing 310 comprises a first portion and a second portion, the first portion and the second portion are hinged, and the edge of the flexible glass layer 320 is fixed on the inner side wall of the housing 310.

Optionally, the flexible glass layer 320 includes a first surface facing the bottom surface of the housing and a second surface facing away from the bottom surface of the housing, the flexible glass layer 320 further including a compressive stress region located above the hinge of the first portion and the second portion, the compressive stress region extending from the second surface to the first surface.

Alternatively, the flexible glass layer 320 remains in a bent state without breaking for more than 60 minutes and the flexible glass layer is bent for more than 200,000 cycles without breaking when bent from the second surface to the first surface in an environment having a temperature of 20-25 ℃ and a relative humidity of 40-60%.

Alternatively, the folding screen 400 may employ a display screen body made mainly of organic materials including, but not limited to, polyimide, etc. Casing 310 and folding screen 400 are connected through flexible glass layer 320 to this embodiment, and flexible glass layer 320 is glass state's high modulus elastic material under the normal use annular, and it is fast to resume flat state of exhibition after buckling, is difficult for taking place plastic deformation to can guarantee better roughness, the unevenness problem of screen when reducing the terminal equipment who adopts the folding screen subassembly and using.

Preferably, the flexible glass layer 320 and the housing 310 in this embodiment are integrally formed, that is, the flexible glass layer 320 and the housing 310 are firstly combined into the housing assembly 300, and then attached and fixed to the folding screen 400. Therefore, the surface flatness of the shell assembly 300 can be detected after the flexible glass layer 320 and the shell 310 are combined into the shell assembly, unqualified products are directly removed, the problem of surface unevenness of the folding screen assembly can be reduced to a certain extent, and the subsequent rework cost is reduced.

Optionally, the flexible glass layer 320 and the housing 310 in this embodiment may be integrally formed by an injection molding process, and since the flexible glass layer 320 and the housing 310 may have different components, the two different materials may be perfectly integrated by the injection molding process, so that the influence of pressure change and pressure-sensitive foam adhesive exhaust on the flatness when the roller is used for pressing is avoided, and the influence caused by the unevenness of the surface of the housing 310 itself can be eliminated to a certain extent in the production process.

Optionally, the folding screen 400 of the present embodiment includes a film substrate 410, a display touch layer 420, and a film substrate 430, which are stacked, and it is clear to those skilled in the art that the folding screen 400 further includes a driving TFT (thin film Transistor), a switching TFT layer, a light emitting layer, an encapsulation layer, and other functional layers on the above layers.

Optionally, in this embodiment, the flexible glass layer 320 is bonded to the film substrate 410. Specifically, the flexible glass layer 320 and the film substrate 410 may be bonded by an Optical Clear Adhesive (OCA) layer to ensure flatness when they are bonded.

Preferably, in the present embodiment, the flexible glass layer 320 and the film substrate 410 can be bonded by using a full-bonding optical adhesive and a pressure defoaming technique, so that the problems of the rolling pressure change and the flatness deterioration caused by the air discharge of the adhesive material can be more effectively solved.

In this embodiment, the housing 310 may be a metal housing. The housing 310 includes a first portion and a second portion that may be hingedly connected to facilitate bending of the folding screen assembly.

Referring to fig. 4, when the foldable screen assembly of the present embodiment is assembled, the housing 310 and the flexible glass layer 320 may be molded into a whole, and the molded housing assembly 300 is subjected to surface flatness detection to remove unqualified products and reduce loss; then, the housing assembly 300 and the foldable screen 400 are assembled to form a foldable screen assembly, and finally, the assembled foldable screen assembly is subjected to secondary detection. Compared with the prior art (the flatness detection is generally performed in the state of the half-module of the mobile phone, and the detection is performed at the rearmost end of the process, including detection on all manufacturing procedures, material factors and the like), the shell and the flexible glass are made into an integral material, so that the detection before and after the half-module of the terminal is attached is convenient, and the control on the flatness of the folding screen assembly is improved through two detections.

Example two

The embodiment provides a terminal device, which comprises the folding screen assembly as described in the first embodiment.

Specifically, the terminal device of this embodiment may be any one of a mobile phone, a computer, a tablet device, a personal digital assistant, a medical device, or a fitness device.

this openly connects casing and folding screen through flexible glass layer, and flexible glass layer is glass state's high modulus elastic material under the normal use annular, and it is fast to resume flat state after buckling, is difficult for taking place plastic deformation to can guarantee better roughness, the unevenness problem of screen when reducing the terminal equipment who adopts the folding screen subassembly and using.

Fig. 5 is a schematic structural diagram of a terminal device according to an exemplary embodiment, and as shown in fig. 5, the terminal device includes:

a memory 510 and a processor 520.

Memory 510 is used to store executable instructions for processor 520.

In the above terminal embodiments, it should be understood that the Processor 520 may be a Central Processing Unit (CPU), other general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. The general-purpose processor may be a microprocessor, or the processor may be any conventional processor, and the aforementioned memory may be a read-only memory (ROM), a Random Access Memory (RAM), a flash memory, a hard disk, or a solid state disk. SIM cards, also known as subscriber identity cards, smart cards, must be installed in a digital mobile phone for use. That is, the information of the digital mobile phone client, the encrypted key and the contents of the user's phone book are stored on the computer chip. The steps of the method in connection with the embodiment may be directly implemented by a hardware processor, or may be implemented by a combination of hardware and software modules in a processor.

The terminal device may include one or more of the following components: memory 510, processor 520, power component 530, multimedia component 540, audio component 550, input/output (I/O) interface 560, sensor component 570, and communications component 580.

The processor 520 generally controls the overall operation of the terminal device, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. Processor 520 may include one or more sub-processors to execute instructions to perform all or a portion of the steps of the method described above. Further, processor 520 may include one or more modules that facilitate interaction between processor 520 and other components. For example, the processor 520 may include a multimedia module to facilitate interaction between the multimedia component 540 and the processor 520.

The memory 510 is configured to store various types of data to support operation 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 510 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 supply component 530 provides power to the various components of the terminal device. The power components 530 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the terminal device.

The multimedia component 540 includes a touch-sensitive display screen providing an output interface between the terminal device and the user. In some embodiments, the touch display screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). 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 540 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 550 is configured to output and/or input audio signals. For example, the audio assembly 550 includes a Microphone (MIC) configured to receive external audio signals when the terminal device is in an operating 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 510 or transmitted via the communication component 580. In some embodiments, audio assembly 550 also includes a speaker for outputting audio signals.

I/O interface 560 provides an interface between processor 520 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 assembly 570 includes one or more sensors for providing various aspects of status assessment for the terminal device. For example, the sensor assembly 570 can detect the open/closed status of the terminal device, the relative positioning of the components, such as the display and keypad of the terminal device, the sensor assembly 570 can also detect a change in the position of the terminal device or a component of the terminal device, the presence or absence of user contact with the terminal device, orientation or acceleration/deceleration of the terminal device, and a change in the temperature of the terminal device. The sensor assembly 570 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 570 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 570 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communications component 580 is configured to facilitate communications 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 580 receives a broadcast signal or broadcast associated information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communications component 580 further includes a Near Field Communication (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.

Of course, the structure of the terminal device is not limited thereto, and the embodiment is only illustrated here.

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.

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

It will be understood that the present disclosure 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 disclosure is limited only by the appended claims.

Claims

1. The folding screen assembly is characterized by comprising a shell and a folding screen, wherein a flexible glass layer is arranged between the shell and the folding screen, the shell comprises a first part and a second part, the first part and the second part are connected in a hinged mode, and the edge of the flexible glass layer is fixed to the inner side wall of the shell.

2. The folding screen assembly of claim 1, wherein the flexible glass layer includes a first surface facing toward the bottom surface of the housing and a second surface facing away from the bottom surface of the housing, the flexible glass layer further including a compressive stress region located above the hinge of the first and second portions, the compressive stress region extending from the second surface toward the first surface.

3. The folding screen assembly of claim 1, wherein the flexible glass layer is integrally formed with the housing.

4. The folding screen assembly of claim 2, wherein the flexible glass layer is injection molded with the housing.

5. The folded screen assembly of claim 1, wherein the folded screen comprises a film substrate, a display touch layer, and a film substrate in a stacked arrangement.

6. The folded screen assembly of claim 5, wherein the flexible glass layer is adhesively secured to the film substrate.

7. The folded screen assembly of claim 6, wherein the flexible glass layer and the film substrate are bonded by an optical glue layer.

8. The folding screen assembly of claim 1, wherein the housing is a metal housing.

9. The folding screen assembly of claim 1, wherein the first portion and the second portion are connected by a hinge.

10. A terminal device, characterized in that it comprises a folding screen assembly according to any one of claims 1 to 9.