CN109164622B

CN109164622B - Terminal panel and mobile terminal

Info

Publication number: CN109164622B
Application number: CN201811082244.3A
Authority: CN
Inventors: 文亮; 袁小民
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2018-09-17
Filing date: 2018-09-17
Publication date: 2021-01-15
Anticipated expiration: 2038-09-17
Also published as: WO2020057287A1; CN109164622A

Abstract

The invention provides a terminal panel and a mobile terminal, and relates to the technical field of communication. The termination panel includes: the glass frame comprises thin film transistor glass, color filter film glass and frame glue arranged between the thin film transistor glass and the color filter film glass; the thin film transistor glass and/or the color filter film glass comprise edges or corners formed by laser cutting, and blocking structures used for blocking the laser from entering the terminal panel are arranged on the edges of the edges or corners. The scheme of the invention is used for solving the problem of damage to transistors, signal wiring and the like in the screen caused by the fact that laser enters the screen when the existing terminal panel is cut by laser.

Description

Terminal panel and mobile terminal

Technical Field

The invention relates to the technical field of communication, in particular to a terminal panel and a mobile terminal.

Background

The man-machine interaction display module of the mobile terminal is generally a liquid crystal display screen. The liquid crystal display module mainly includes: liquid crystal display panel, driver IC, FPC, backlight, etc.

With the pursuit of people for the high screen ratio of the mobile terminal, manufacturers can process the rectangular display screen to obtain the high screen ratio irregular display screen, as shown in fig. 1. Compare with traditional display screen, four angles of abnormal shape screen are generally processed into arc, chamfer, top recess etc.. The common processing technology for the special-shaped screen is laser cutting, during the laser cutting, laser is irradiated from the edge of the glass, and after the laser is absorbed by the glass, chemical bonds of the glass are broken, so that the purpose of cutting off the glass is achieved.

However, when laser cutting is performed, a laser spot may be irradiated to an edge of glass or a crack burned by laser itself, and thus, since an incident surface of light is uneven, a propagation direction of laser is changed, and laser is refracted or reflected into the inside of the screen. In the process of transmitting laser into the screen, the laser is absorbed by a polycrystalline silicon layer, a metal layer and the like, so that transistors, signal wiring and the like in the screen are damaged.

Disclosure of Invention

The embodiment of the invention provides a terminal panel and a mobile terminal, and aims to solve the problem that transistors, signal wiring and the like in a screen are damaged due to the fact that laser enters the screen when the existing terminal panel is cut by the laser.

In order to solve the technical problem, the invention is realized as follows:

in a first aspect, an embodiment of the present invention provides a terminal panel, including:

the glass frame comprises thin film transistor glass, color filter film glass and frame glue arranged between the thin film transistor glass and the color filter film glass; wherein the content of the first and second substances,

the thin film transistor glass and/or the color filter film glass comprise edges or corners formed by laser cutting, and blocking structures used for blocking the laser from entering the terminal panel are arranged on the edges of the edges or corners.

In a second aspect, an embodiment of the present invention further provides a mobile terminal, including: the termination panel as described above.

Therefore, in the embodiment of the invention, the blocking structure is arranged on the edge of the edge or the corner formed by the thin film transistor glass and/or the color filter film glass through laser cutting, and the blocking structure in the thin film transistor glass can block the laser entering the terminal panel through the surface glass when the thin film transistor glass is cut by the laser so that the laser cannot enter the terminal panel continuously; the blocking structure in the color filter glass can block the laser entering the terminal panel through the surface glass when the color filter glass is cut by the laser, so that the laser cannot continuously enter the terminal panel. Therefore, damage to transistors, signal wiring and the like in the screen can be avoided after laser enters the terminal panel.

Drawings

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

FIG. 1 is a schematic view of a contoured display screen;

fig. 2 is a schematic structural diagram of a terminal panel according to an embodiment of the present invention;

fig. 3 is a second schematic structural diagram of a terminal panel according to the embodiment of the invention;

fig. 4 is a third schematic structural diagram of a terminal panel according to the embodiment of the present invention;

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

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

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

fig. 8 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 2, the terminal panel according to the embodiment of the present invention includes:

the display device comprises thin film transistor glass 2, color filter film glass 1 and frame glue 3 arranged between the thin film transistor glass 2 and the color filter film glass 1; wherein the content of the first and second substances,

the thin film transistor glass 2 and/or the color filter film glass 1 comprises an edge or an angle formed by laser cutting, and a blocking structure used for blocking the laser from entering the inner part of the terminal panel is arranged at the edge of the edge or the angle.

According to the terminal panel provided by the embodiment of the invention, the blocking structure 5 in the thin film transistor glass 2 can block laser entering the terminal panel through the surface glass when the thin film transistor glass 2 is cut by the laser, so that the laser cannot continuously enter the terminal panel; the blocking structure 4 in the color filter glass 1 can block the laser entering the terminal panel through the surface glass when the color filter glass 1 is cut by the laser, so that the laser cannot enter the terminal panel continuously. Therefore, damage to transistors, signal wiring and the like in the screen can be avoided after laser enters the terminal panel.

Optionally, the blocking structure is disposed along a laser cutting path; or

The blocking structures are arranged at the starting point and the end point of the laser cutting path.

Here, by knowing the set laser cutting path, the blocking structure can be disposed along the laser cutting path, or only at the start point and the end point of the laser cutting path, thereby blocking the laser.

As shown in fig. 3, in the terminal panel according to the embodiment of the present invention, the thin film transistor glass 2 mainly includes a first glass layer 201, a first metal layer 202, a buffer layer 203, a polysilicon layer 204, a second insulating layer 205 (including a gate silicon oxide insulating (GI _ SiOx) layer 2051 and a gate silicon nitride insulating (GI _ SiNx) layer 2052), a gate molybdenum layer 206, a first insulating layer 207 (including an interlayer silicon nitride insulating (ILD _ SiNx) layer 2071 and an interlayer silicon oxide insulating (ILD _ SiOx) layer 2072), a source-drain titanium-aluminum-titanium metal layer 208, a first Planarization (PLN) layer 209, a common electrode ITO1 layer, a third insulating layer 210, a pixel electrode ITO2 layer, and an alignment (PI) layer 211. The first metal layer 202 is a light-shielding layer made of molybdenum metal, the buffer layer 203 is made of silicon oxide SiOx, the first insulating layer 210 is made of silicon nitride SiNx, and the ITO1 and ITO2 layers in the frame region are etched away. The color filter glass 1 mainly includes a second glass layer 101, a black matrix BM layer 102, a red-yellow-blue RGB color filter film layer, a second planarization (OC) layer 103, a support pillar PS layer, and an alignment film PI layer, where the PS layer and the PI layer are omitted in the frame region.

Optionally, as shown in fig. 3, the blocking structure is a first reflective layer 212 in the thin film transistor glass 2, and the first reflective layer 212 is formed between the first glass layer 201 and the buffer layer 203 and corresponds to the laser cutting region.

Thus, by the first reflection layer 212 between the first glass layer 201 and the buffer layer 203, the laser penetrating through the first glass layer 201 during the cutting process can be absorbed or reflected due to the first reflection layer 212 being disposed corresponding to the laser cutting region, thereby reducing the probability that the laser continues to enter the terminal panel.

Of course, the first reflective layer 212 can also be disposed between other two layers, such as between the contact region between the buffer layer 203 and the GI _ SiOx layer 2051, or between the contact region between the GI _ SiOx layer 2051 and the ILD _ SiNx layer 2071, and so on, but the first reflective layer 212 is further away from the first glass layer 201, so that the effect of avoiding the laser from entering the interior of the terminal panel is poorer than that of the above implementation.

In consideration of the manufacturing process of the thin film transistor glass 2, it is preferable that the first reflective layer 212 is obtained by forming the first metal layer 202 on the first glass layer 201 and then etching the first metal layer 202 based on the laser cutting region.

It should be appreciated that in order to obtain the portion of the first metal layer 202 shown in fig. 3 on the first glass layer 201, the first metal layer 202 is deposited on the first glass layer 201 and then etched to retain the desired portion. Therefore, in the etching process, the first reflective layer 212 can be obtained by remaining on the basis of the laser cutting area, a new process flow is not required to be added, and the cost is saved. The first reflective layer 212 is made of the same metal as the first metal layer 202, such as molybdenum.

In addition, in the embodiment of the invention, the blocking structure is a groove corresponding to the laser cutting area in the thin film transistor glass.

Through the grooves corresponding to the laser cutting regions, the laser penetrating through the first glass layer 201 is reflected after encountering the groove interface, and the probability that the laser continues to enter the terminal panel is reduced.

Optionally, in one aspect, as shown in fig. 4, the groove 2073 is located in the first insulating layer 207, and the groove 2073 is communicated with the first planarizing layer 209 formed on the first insulating layer 207; wherein the content of the first and second substances,

the first insulating layer 207 is formed between the second insulating layer 205 and the first planarization layer 209, and the second insulating layer 205 is a gate insulating layer.

Here, considering that the first insulating layer 207 is opened in the process of manufacturing the tft glass 2, the recess 2073 can be directly formed in the first insulating layer 207 by the opening process without adding a new process flow, which saves the cost. The number of the grooves in the first insulating layer 207 is not limited, and may be 1, or 2 as shown in fig. 4, or more, and may be determined based on the size of the groove opening and the laser cutting area.

On the other hand, the opening of the groove is positioned on the alignment layer, and the groove extends towards the first glass layer.

And the groove is communicated with the frame glue between the thin film transistor glass and the color filter film glass.

Therefore, the frame glue material with excellent laser blocking effect can be used for blocking the laser irradiated into the terminal panel.

To achieve a better laser blocking effect, grooves 501 extend between the layers as shown in fig. 5. The opening of the groove 501 is located on the alignment layer 211, and extends to the first glass layer 201 through the third insulating layer 210, the first planarization layer 209, the first insulating layer 207, the GI _ SiOx layer 2051, the buffer layer 203, and the like. Wherein the recess 501 is obtained in sequence when forming the layers, such as: after the first planarization layer 209 is formed, a first groove is dug for the first time to obtain a first groove which reaches the buffer layer 203; then, forming a third insulating layer 210, performing second grooving on the third insulating layer 210 corresponding to the first groove, and reserving the third insulating layer 210 with a preset thickness on the groove wall; then forming an alignment layer 211, performing third grooving at a position corresponding to the groove on the third insulating layer 210, and reserving the alignment layer 211 with a preset thickness on the groove wall; and finally, when the frame glue 3 is used for bonding the thin film transistor glass 2 and the color filter film glass 1, the frame glue 3 is used for filling the space in the third groove digging. Of course, the formation process of the groove 501 is only one implementation, and the groove may be dug from the buffer layer 203 to the alignment layer 211, which is not described herein again.

In addition, in the embodiment of the invention, as shown in fig. 6, a second reflective layer 6011 and a third reflective layer 6012 communicated with the sealant 3 between the tft glass 2 and the color filter glass 1 are disposed in the groove 601.

Here, different reflective layers may be provided in the groove 601 to cooperate to reduce the probability of the laser light continuing into the interior of the termination panel.

Preferably, the second reflective layer 6011 is obtained by etching the second metal layer 208 after forming the second metal layer 208 on the first insulating layer 207.

Here, without increasing a new process flow for forming the second reflective layer 6011, after the groove is dug on the first insulating layer 207, the etching process for obtaining a part of the second metal layer 208 shown in fig. 6 on the first insulating layer 207 is used to retain the second metal layer 208 in the groove, so that the second metal layer 208 is used as the second reflective layer 6011 in the groove, thereby achieving the purpose of saving cost.

It should be further understood that, as shown in fig. 7, in the embodiment of the present invention, the blocking structure is a groove 701 corresponding to the laser cutting area in the color filter glass 1; wherein the content of the first and second substances,

the opening of the groove 701 is positioned on the second planarization layer 102 and extends towards the second glass layer 101;

the groove 701 is filled with a resin material.

Here, the laser light penetrating through the second glass layer 101 is blocked from entering the terminal panel by the filled resin material through the groove 701 opened on the second planarization layer 102 corresponding to the laser cutting region, reducing the probability of the laser light continuing to enter the inside of the terminal panel. Of course, the groove 701 may extend through the BM layer 102 towards the second glass layer 101.

In summary, in the terminal panel according to the embodiment of the present invention, the blocking structure 5 in the thin film transistor glass 2 blocks the laser entering the terminal panel through the surface glass when the thin film transistor glass 2 is cut by the laser, so that the laser cannot enter the terminal panel continuously; the blocking structure 4 in the color filter glass 1 can block the laser entering the terminal panel through the surface glass when the color filter glass 1 is cut by the laser, so that the laser cannot enter the terminal panel continuously. Therefore, damage to transistors, signal wiring and the like in the screen can be avoided after laser enters the terminal panel.

Fig. 8 is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, where the mobile terminal 800 includes, but is not limited to: a radio frequency unit 801, a network module 802, an audio output unit 803, an input unit 804, a sensor 805, a display unit 806, a user input unit 807, an interface unit 808, a memory 809, a processor 810, and a power supply 811. Those skilled in the art will appreciate that the mobile terminal architecture illustrated in fig. 8 is not intended to be limiting of mobile terminals, and that a mobile terminal may include more or fewer components than those illustrated, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the mobile terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.

The display unit 806 is the terminal panel of the above embodiment, and includes:

It should be understood that, in the embodiment of the present invention, the radio frequency unit 801 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 810; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 801 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. Further, the radio frequency unit 801 can also communicate with a network and other devices through a wireless communication system.

The mobile terminal provides the user with wireless broadband internet access through the network module 802, such as helping the user send and receive e-mails, browse webpages, access streaming media, and the like.

The audio output unit 803 may convert audio data received by the radio frequency unit 801 or the network module 802 or stored in the memory 809 into an audio signal and output as sound. Also, the audio output unit 803 may also provide audio output related to a specific function performed by the mobile terminal 800 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 803 includes a speaker, a buzzer, a receiver, and the like.

The input unit 804 is used for receiving an audio or video signal. The input Unit 804 may include a Graphics Processing Unit (GPU) 8041 and a microphone 8042, and the Graphics processor 8041 processes image data of a still picture or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 806. The image frames processed by the graphics processor 8041 may be stored in the memory 809 (or other storage medium) or transmitted via the radio frequency unit 801 or the network module 802. The microphone 8042 can receive sound, and can process such sound into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 801 in case of a phone call mode.

The mobile terminal 800 also includes at least one sensor 805, such as light sensors, motion sensors, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 8061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 8061 and/or the backlight when the mobile terminal 800 moves to the ear. As one of the motion sensors, the accelerometer sensor 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 to identify the posture of the mobile terminal (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensors 805 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.

The display unit 806 is used to display information input by the user or information provided to the user. The Display unit 806 may include a Display panel 8061, and the Display panel 8061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 807 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 807 includes a touch panel 8071 and other input devices 8072. The touch panel 8071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 8071 (e.g., operations by a user on or near the touch panel 8071 using a finger, a stylus, or any other suitable object or accessory). The touch panel 8071 may include two portions of 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 sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 810, receives a command from the processor 810, and executes the command. In addition, the touch panel 8071 can be implemented by various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 8071, the user input unit 807 can include other input devices 8072. In particular, other input devices 8072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.

Further, the touch panel 8071 can be overlaid on the display panel 8061, and when the touch panel 8071 detects a touch operation on or near the touch panel 8071, the touch operation is transmitted to the processor 810 to determine the type of the touch event, and then the processor 810 provides a corresponding visual output on the display panel 8061 according to the type of the touch event. Although in fig. 8, the touch panel 8071 and the display panel 8061 are two independent components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 8071 and the display panel 8061 may be integrated to implement the input and output functions of the mobile terminal, which is not limited herein.

The interface unit 808 is an interface through which an external device is connected to the mobile terminal 800. For example, the external device may include a wired or wireless headset port, an external power supply (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 808 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 800 or may be used to transmit data between the mobile terminal 800 and external devices.

The memory 809 may be used to store software programs as well as various data. The memory 809 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by 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, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 809 can include high speed random access memory, and can 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 810 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by running or executing software programs and/or modules stored in the memory 809 and calling data stored in the memory 809, thereby integrally monitoring the mobile terminal. Processor 810 may include one or more processing units; preferably, the processor 810 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 processor 810.

The mobile terminal 800 may also include a power supply 811 (e.g., a battery) for powering the various components, and the power supply 811 may be logically coupled to the processor 810 via a power management system that may be used to manage charging, discharging, and power consumption.

In addition, the mobile terminal 800 includes some functional modules that are not shown, and thus, are not described in detail herein.

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, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A termination panel, comprising:

the thin film transistor glass and/or the color filter film glass comprise edges or corners formed by laser cutting, and blocking structures used for blocking the laser from entering the terminal panel are arranged at the edges of the edges or corners;

the blocking structure arranged at the edge or corner of the thin film transistor glass is a groove corresponding to a laser cutting area in the thin film transistor glass;

the blocking structure arranged at the edge or corner of the color filter film glass is a groove corresponding to the laser cutting area in the color filter film glass.

2. The termination panel according to claim 1, wherein the blocking structure is disposed along a laser cut path; or

3. The termination panel according to claim 1, wherein the grooves in the thin film transistor glass corresponding to the laser cut regions are located in a first insulating layer, and the grooves in the thin film transistor glass corresponding to the laser cut regions are in communication with a first planarizing layer formed on the first insulating layer; wherein the content of the first and second substances,

the first insulating layer is formed between a second insulating layer and the first planarization layer, and the second insulating layer is a gate insulating layer.

4. The terminal panel of claim 1, wherein the openings of the grooves in the thin film transistor glass corresponding to the laser-cut regions are located on the alignment layer and the grooves in the thin film transistor glass corresponding to the laser-cut regions extend toward the first glass layer.

5. The terminal panel according to claim 4, wherein the grooves in the TFT glass corresponding to the laser cut regions are in communication with the sealant between the TFT glass and the color filter glass.

6. The terminal panel according to claim 4, wherein a second reflective layer is disposed in the grooves in the TFT glass corresponding to the laser cut regions, and a third reflective layer is in communication with the sealant between the TFT glass and the color filter glass.

7. The termination panel according to claim 6, wherein the second reflective layer is formed by etching a second metal layer after the second metal layer is formed on the first insulating layer.

8. The termination panel according to claim 1,

an opening of the groove in the color filter film glass, which corresponds to the laser cutting area, is positioned on the second planarization layer and extends towards the second glass layer;

and a groove corresponding to the laser cutting area in the color filter film glass is filled with resin materials.

9. A termination panel, comprising:

the thin film transistor glass and the color filter film glass comprise edges or corners formed by laser cutting, and blocking structures used for blocking the laser from entering the terminal panel are arranged at the edges of the edges or corners;

the blocking structure arranged at the edge or corner of the thin film transistor glass is a first reflecting layer in the thin film transistor glass, and the first reflecting layer is formed between the first glass layer and the buffer layer and corresponds to the laser cutting area;

10. The termination panel according to claim 9, wherein the first reflective layer is formed by etching the first metal layer based on the laser cut region after forming the first metal layer on the first glass layer.

11. A termination panel according to claim 9,

12. A mobile terminal, comprising: the termination panel according to any one of claims 1 to 11.