CN109286701A - Display module and mobile terminal of mobile terminal - Google Patents

Abstract

The present application provides a display module of a mobile terminal and a mobile terminal. The display module includes: a display screen, a first connector and a first driver chip; wherein, the display screen includes a display area and a first lead area, the display area is used to display the information of the mobile terminal, and the display area has a gap and/or a hollow structure, the gap and/or hollow structure is used to accommodate the exposed device of the mobile terminal, the first lead area is arranged in the display area adjacent to the first edge of the gap and/or the hollow structure; the The first connecting member connects the first lead region and the first driving chip, and the first driving chip is disposed on the non-display surface side of the display screen. The display module and the mobile terminal of the mobile terminal provided by the present application can improve the screen ratio of the mobile terminal.

Description

Display module and mobile terminal of mobile terminal

technical field

The present application relates to the field of terminals, and more particularly, to a display module of a mobile terminal and a mobile terminal.

Background technique

With the increasingly powerful functions of mobile terminals (such as mobile phones, tablets, etc.), terminal devices have gradually become indispensable products in people's daily life. In order to make the mobile terminal more beautiful and improve the user experience, how to make the mobile terminal have a higher screen ratio, that is, how to improve the relative ratio between the display interface and the front panel of the mobile terminal, has become an important research direction of various manufacturers.

Therefore, there is an urgent need to provide a technical solution capable of providing a screen-to-body ratio of a mobile terminal.

SUMMARY OF THE INVENTION

The present application provides a display module of a mobile terminal and a mobile terminal, which are beneficial to improve the screen ratio of the mobile terminal.

In a first aspect, the present application provides a display module of a mobile terminal, the display module includes: a display screen, a first connector and a first driver chip; wherein, the display screen includes a display area and a first lead area, The display area is used to display the information of the mobile terminal, the display area has a notch and/or a hollow structure, and the notch and/or hollow structure is used for accommodating the exposed components of the mobile terminal, and the first lead area is arranged in the display area Adjacent to the notch and/or the first edge of the hollow structure; the first connecting member connects the first lead region and the first driving chip, and the first driving chip is disposed on the non-display surface side of the display screen.

In the display module of the mobile terminal provided by the embodiment of the present application, the first edge of the display area has a notch and/or a hollow structure, and the notch and/or the hollow structure are used to accommodate the exposed components of the mobile terminal, and the first lead area The first connector is arranged at the display area adjacent to the first edge of the notch and/or the hollow structure, and the first connector connects the display screen and the first driving chip through the first lead area.

That is to say, the embodiment of the present application uses a notch and/or a hollow structure for accommodating exposed devices to provide the first lead area, and the first connector connects the display screen and the first driver chip through the first lead area , compared with the prior arrangement of the first lead area at the lower edge of the mobile terminal, the frame width of the mobile terminal can be reduced, thereby increasing the screen ratio of the mobile terminal.

In addition, the exposed devices of the mobile terminal according to the embodiments of the present application are arranged at the notch and/or hollow structure in the display area, which can also reduce the amount of the mobile terminal compared to the space between the display area and the casing of the existing exposed devices. The frame width of the mobile terminal is increased, thereby increasing the screen ratio of the mobile terminal.

With reference to the first aspect, in some possible implementation manners of the first aspect, the first edge is an upper edge of the display area in a commonly used state of the mobile terminal.

With reference to the first aspect, in some possible implementations of the first aspect, the display area includes the notch, the display screen further includes a non-display area, the non-display area surrounds the outside of the display area, and the non-display area The area also has a notch at the notch in the display area.

In other words, the display screen may further include a non-display area surrounding the outside of the display area, and the non-display area also has a notch at the notch of the display area, and the non-display area is used for layout The wiring of the display area, and the first lead area is used to lead out the wiring of the display area.

With reference to the first aspect, in some possible implementations of the first aspect, the exposed device includes at least one of the following items: a camera, an optical sensor, and an audio device.

Optionally, the optical sensor may include structured light and/or ambient light, which is not limited in this embodiment of the present application.

Optionally, the optical sensor of the mobile terminal may also be arranged in a non-display area.

In the display module provided by the embodiment of the present application, the optical sensor of the mobile terminal is arranged in the non-display area to reduce the size of the gap, thereby increasing the screen ratio of the mobile terminal.

Optionally, the embodiment of the present application does not limit the specific structure of the first lead region, for example, the first lead region may be a strip-shaped structure.

Optionally, the first lead region may be disposed at any position adjacent to the first edge of the notch, which is not limited in this embodiment of the present application.

With reference to the first aspect, in some possible implementations of the first aspect, the display area has the notch, the first lead area is disposed at the bottom of the notch, and the first connector is connected to the notch through the bottom of the notch, respectively. The first lead area is connected to the first driving chip.

Optionally, the first lead region may be disposed on at least one of the bottom, left sidewall and right sidewall of the notch. Correspondingly, one end of the first connecting member is connected to the first lead area, and is bent to the non-display surface side of the display screen through the notch, and is connected to the first driving chip.

With reference to the first aspect, in some possible implementations of the first aspect, the display screen includes a thin film transistor glass, an encapsulation glass and a cover glass arranged in layers, the cover glass is located at the outermost side of the display surface of the display screen, and the first A lead area is disposed on the surface of the thin film transistor glass exposed after the portion of the packaging glass adjacent to the notch and/or the first edge of the hollow structure is cut off.

Optionally, the display screen in the embodiments of the present application may be various types of display screens, such as a liquid crystal display (LCD), a rigid display (eg, a rigid organic light emitting diode (OLED)) screen ), a flexible display screen (eg, a flexible OLED screen), a micro (micro) light emitting diode (light emitting diode, LED) screen, etc., which are not limited in the embodiments of the present application. The rigid display screen may also be referred to as a rigid screen, and the flexible display screen may also be referred to as a flexible screen, which is not limited in this embodiment of the present application.

In another possible implementation manner, the display screen is a rigid display screen. For example, when an LCD display screen is used, the display screen includes CG glass, ENCAP glass and a TFT substrate laminated from the display surface side to the non-display surface side. The first lead region may be disposed on the surface of the TFT substrate exposed after the portion of the ENCAP glass adjacent to the first edge of the notch is cut off. Correspondingly, one end of the first connecting member is connected to the first lead area, is bent to the non-display surface side of the display screen through the notch, and the other end is connected to the first driving chip.

With reference to the first aspect, in some possible implementations of the first aspect, one end of the first connector is connected to the first lead area, and is bent through the gap and/or the hollow structure to connect with the first drive chip connection.

In yet another possible implementation manner, the first lead region may also be disposed on the non-display surface side of the display screen of the TFT substrate adjacent to the first edge of the notch. Correspondingly, one end of the first connecting member is connected to the first lead area on the non-display surface side of the display screen, and the other end is connected to the first driving chip.

Optionally, the display screen may further include other layer structures, and the relationship between the positions of the other layer structures in the display screen and the positions of the CG glass, the ENCAP glass, and the TFT substrate is not limited in the embodiments of the present application.

In this embodiment of the present application, a laser cutting technology may be used to cut the portion of the ENCAP glass adjacent to the first edge of the notch, so as to improve the cutting accuracy.

With reference to the first aspect, in some possible implementations of the first aspect, the first connector is a flexible circuit board.

It should be understood that FPC is a highly reliable flexible printed circuit made of a flexible insulating substrate such as polyimide or polyester film. Sexual characteristics. FPC is mainly used in the connection parts of electronic products. Since all the lines are arranged on the FPC, the connection of redundant lines can be omitted, the flexibility can be improved, and the assembly of three-dimensional space in a limited space can be strengthened, thereby effectively reducing the product cost. volume.

Optionally, the first driver chip is connected to the FPC, and the first driver chip and the FPC can be welded together. For example, the first driver chip can be integrated on the FPC and packaged as a first chip on film (chip). on film, COF).

It should also be understood that a COF product refers to a chip package product formed by directly packaging a semiconductor chip on a flexible substrate by using a flexible packaging substrate as a carrier.

Optionally, the mobile terminal may further include a mainboard and a third connector, the mainboard is disposed on the non-display surface side of the display screen, and the third connector connects the mainboard and the first COF.

In a possible implementation manner, the third connector may be a flexible circuit board, one end of the third connector is welded with the first COF, and the other end is welded with the main board.

With reference to the first aspect, in some possible implementations of the first aspect, the display screen is a flexible display screen, and the first connector is integrally formed with the display screen through the first lead area; or the display screen is rigid A display screen or a liquid crystal display screen, the first connector is welded with the display screen through the first lead area.

Optionally, the first connecting member may be connected with the display screen in various ways, which is not limited in this embodiment of the present application.

In a possible implementation manner, the TFT substrate may be a glass substrate, that is, the display screen may be a rigid display screen or a liquid crystal display screen, and the first connector may be welded to the display screen through the first lead area. Together.

In another possible implementation manner, the TFT substrate may be a flexible substrate, that is, the display screen may be a flexible display screen, and the first connecting member may be integrally formed with the display screen through the first lead area.

In the display module provided by the embodiments of the present application, a multiplexer circuit may be used in the first lead area to layout the circuit lines of the display area, so as to reduce the width of the first lead area, or to reduce the wiring width of the first lead area. The line spacing between the line lines laid out in the first lead area is used to reduce the line width, thereby reducing the size of the gap and increasing the screen ratio of the mobile terminal.

In the display module provided by the embodiment of the present application, the wiring of the display area can be laid out at the position of the non-display area at the gap, for example, the wiring of the display area can be laid out in the non-display area of the gap On the left side wall or the right side wall, the frame width of other edges except the first edge of the mobile terminal is reduced, thereby increasing the screen ratio of the mobile terminal.

Optionally, the embodiment of the present application does not limit the shape of the notch at the first edge of the display area and the position of the notch at the first edge.

Optionally, the display area may have one or more gaps, which is not limited in this embodiment of the present application.

For example, the display area has 2 notches, and the 2 notches are arranged at the first edge of the display area.

Optionally, when the display area has a plurality of notches, the display screen includes a plurality of first lead areas corresponding to the plurality of notches one-to-one, and the position of the first lead area corresponding to each of the plurality of notches is set. Similar to that the display area has a notch, it is not repeated here.

Correspondingly, the first connecting member connects the display screen and the first driving chip through a first lead area corresponding to each of the plurality of notches.

In a possible implementation manner, the first connecting member may be integrally formed on the non-display surface side of the display screen.

In another possible implementation manner, the first connector is drawn out from the first lead area corresponding to each notch to form an independent part on the non-display surface side of the display screen, and the display module further includes a fourth connection The fourth connector connects a plurality of parts of the first connector formed on the non-display surface side of the display screen and the first driving chip.

With reference to the first aspect, in some possible implementations of the first aspect, the display screen is a liquid crystal display screen, and the display module further includes a backlight assembly, a second connector and a second driver chip; wherein, the backlight assembly Including a second lead area, the second lead area is arranged at the second edge of the display area, the backlight assembly is used to provide a display light source; the second connector, the second connector connects the second lead area and the The second driving chip is disposed on the non-display surface side of the display screen.

In other words, if the display screen in the display module is a liquid crystal display screen, the display module further includes: a backlight assembly, a second connector and a second driving chip, the backlight assembly and the second The lead area is arranged at the second edge of the display area, the backlight assembly is used to provide a display light source for the mobile terminal, the second driving chip is arranged on the non-display surface side of the display screen, and the second connector is connected through the first Two lead regions are connected to the backlight assembly and the second driving chip.

Alternatively, the backlight assembly may include light emitting diodes (LEDs).

In the display module provided by the embodiment of the present application, the first lead area of the display screen is disposed at the first edge of the display area, and the second lead area of the backlight assembly is disposed at the second edge of the display area, which can reduce the number of The frame width of the lower edge of the mobile terminal can avoid the influence of the heat dissipation of the antenna of the mobile terminal and the backlight assembly on the first lead area.

Optionally, the second driver chip may be integrated on the second connector and packaged as a second COF, and the mobile terminal may further include a fifth connector that connects the motherboard of the mobile terminal and the first connector. 2 COF.

Optionally, the first driver chip and the second driver chip may be two independent chips, or the first driver chip and the second driver chip may be integrated on one chip, which is not limited in this embodiment of the present application .

Optionally, the display area may also have a hollow structure adjacent to the first edge.

Optionally, when the display area has a hollow structure, the first lead area may be disposed on the top, bottom, left side wall and right side wall of the cavity formed by the first lead area 312 and the hollow structure. At least one of these is not limited in this embodiment of the present application.

Optionally, the embodiment of the present application does not limit the shape of the hollow structure and the position of the hollow structure at the first edge.

Optionally, the display area may have one or more hollow structures, which are not limited in this embodiment of the present application.

Optionally, the display area may have a notch and a hollow structure at the same time, which is not limited in this embodiment of the present application.

Optionally, the first lead region may be disposed at any position adjacent to the first edge of the hollow structure, which is not limited in this embodiment of the present application.

In a possible implementation manner, the first lead region may be disposed at at least one of the bottom, the top left side wall and the right side wall of the cavity formed by the hollow structure. Correspondingly, one end of the first connecting member is connected to the first lead area, and is bent to the non-display surface side of the display screen through the notch, and is connected to the first driving chip.

It should be understood that the structure when the display area has a hollow structure is similar to the structure when the display area has a notch, and in order to avoid repetition, details are not repeated here.

In a second aspect, the present application provides a display module for a mobile terminal, the display module includes: a display screen, a first connector and a first driver chip; wherein the display screen includes a display area and a first lead area, The display area is used to display the information of the mobile terminal, the display area has a notch, and the notch is used for accommodating the exposed components of the mobile terminal, and the first lead area is arranged on the first lead area of the display area except the position of the notch. at the edge; the first connecting member connects the first lead region and the first driving chip, and the first driving chip is arranged on the non-display surface side of the display screen.

With reference to the second aspect, in some possible implementation manners of the second aspect, the first edge is an upper edge of the display area in a common use state of the mobile terminal.

Optionally, the first lead region may be disposed at any position on the first edge except the region where the notch is located, which is not limited in this embodiment of the present application.

In a possible implementation manner, the first lead region may be disposed at the first edge on the left side of the notch, or at the first edge on the right side of the notch.

With reference to the second aspect, in some possible implementations of the second aspect, the first connector may include a first sub-connector and a second sub-connector, and the first lead region includes a first sub-lead region and a first sub-lead region. Two sub-lead regions, the first sub-lead region and the second sub-lead region are respectively disposed at the first edges on both sides of the notch, and the first sub-connector connects the first sub-lead region and the first driver a chip, and the second sub-connector connects the second sub-lead area and the first driving chip.

With reference to the second aspect, in some possible implementations of the second aspect, one end of the first sub-connector is connected to the first sub-lead area, and is bent through the ear area on the left side of the notch to connect with the first sub-lead area. The drive chip is connected, one end of the second sub-connector is connected to the second sub-lead area, and is bent through the ear area on the right side of the notch to connect to the first drive chip.

In combination with the second aspect, in some possible implementations of the second aspect, the first sub-connector and the second sub-connector can be integrally formed with the first driver chip on the non-display surface side of the display screen. or the first sub-connector and the second sub-connector are respectively connected to the first driver chip on the non-display surface side of the display screen, which is not limited in this embodiment of the present application.

In the display module provided by the embodiment of the present application, since the first sub-connector and the second sub-connector are integrally formed with the display screen, on the non-display surface side of the display screen, the first sub-connector is connected to the display screen. The second sub-connectors are respectively connected with the first driving chip, and the manufacturing process is simpler.

Optionally, the first sub-connector may be integrally formed with the display screen through the first sub-lead area, and the second sub-connector may be integrally formed with the display screen through the second sub-lead area, that is, the display screen. is a flexible display.

Description of drawings

1 is a back view of an existing mobile terminal;

Fig. 2 is the front view of the existing mobile terminal;

3 is a cross-sectional view of an existing mobile terminal;

4 is a back view of another existing mobile terminal;

5 is a front view of another existing mobile terminal;

6 is a cross-sectional view of another existing mobile terminal;

7 is a back view of a display module provided by an embodiment of the present application;

8 is a back view of a display module provided by an embodiment of the present application;

9 is a perspective view of a display module provided by an embodiment of the present application;

10 is a cross-sectional view of a display module provided by an embodiment of the present application;

11 is another cross-sectional view of the display module provided by the embodiment of the present application;

FIG. 12 is a schematic diagram of a wiring position provided by an embodiment of the present application;

FIG. 13 is a schematic layout diagram of an optical sensor provided by an embodiment of the present application;

14 is a schematic diagram of a gap provided by an embodiment of the present application;

15 is another schematic diagram of a gap provided by an embodiment of the present application;

16 to 19 are rear views of the display module provided by the embodiment of the present application;

20 is another rear view of the display module provided by the embodiment of the present application;

21 is another front view of the display module provided by the embodiment of the present application;

22 is another cross-sectional view of the display module provided by the embodiment of the present application;

23 is another cross-sectional view of the display module provided by the embodiment of the present application;

24 is a front view of a mobile terminal provided by an embodiment of the present application;

25 is a schematic diagram of a hollow structure provided by an embodiment of the present application;

26 is another cross-sectional view of a display module provided by an embodiment of the present application;

27 is another rear view of the display module provided by the embodiment of the present application;

28 is another front view of the display module provided by the embodiment of the present application;

FIG. 29 is another rear view of the display module provided by the embodiment of the present application;

30 is another rear view of the display module provided by the embodiment of the present application;

31 is a schematic diagram of another mobile terminal provided by an embodiment of the present application;

32 is a schematic diagram of another mobile terminal provided by an embodiment of the present application;

FIG. 33 is a schematic diagram of the way of outgoing the COF on the TFT glass substrate provided by the embodiment of the present application;

FIG. 34 is a schematic diagram of a wire outlet mode after the COF is bent according to an embodiment of the present application;

35 is a schematic diagram of a cut-out portion of the bonding region provided by an embodiment of the present application;

36 is a cross-sectional view of yet another mobile terminal provided by an embodiment of the present application;

37 is another cross-sectional view of another mobile terminal provided by an embodiment of the present application;

FIG. 38 is a schematic diagram of another mobile terminal provided by an embodiment of the present application;

39 is a schematic diagram of another COF outlet method on a TFT glass substrate provided by an embodiment of the present application;

FIG. 40 is a schematic diagram of another COF outlet method provided by the embodiment of the present application after bending;

41 is a schematic diagram of a two-stage connection mode of the FPC where the driver IC is located after the screen COF is out of the line provided by the embodiment of the present application;

42 is a schematic diagram of another routing position provided by an embodiment of the present application;

43 is a schematic diagram of a top frame provided by an embodiment of the present application;

44 is a schematic diagram of another mobile terminal provided by an embodiment of the present application;

45 is a schematic diagram of an FPC outlet mode of a backlight drive module provided by an embodiment of the present application;

46 is a partial schematic diagram of the head of the FPC outlet mode of the backlight drive module provided by the embodiment of the present application;

47 is a partial schematic diagram of the tail portion of the FPC outlet mode of the backlight drive module provided by the embodiment of the present application;

48 is a schematic diagram of an FPC outlet mode of a backlight driving module provided by an embodiment of the present application;

49 is a schematic diagram of a hollow structure provided by an embodiment of the present application;

50 is another front view of the display module provided by the embodiment of the present application;

Figure 51 is another rear view of the display module provided by the embodiment of the present application;

FIG. 52 is another rear view of the display module provided by the embodiment of the present application.

Detailed ways

The technical solutions in the present application will be described below with reference to the accompanying drawings.

It should be understood that the mobile terminal described in the embodiments of the present application may also be referred to as terminal equipment, user equipment (UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, Mobile equipment, user terminal, terminal, wireless communication device, user agent or user equipment. The mobile terminal can be a station (ST) in a WLAN, and can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital processor ( personal digital assistant (PDA) device, handheld device with wireless communication capabilities, computing device or other processing device connected to a wireless modem, in-vehicle device, connected vehicle terminal, computer, laptop computer, handheld communication device, handheld computing device equipment, satellite wireless equipment, wireless modem cards, television set top boxes (STBs), customer premise equipment (CPEs) and/or other equipment for communicating over wireless systems and next generation communication systems, For example, a mobile terminal in a 5G network or a mobile terminal in a future evolved public land mobile network (Public Land Mobile Network, PLMN) network, and the like.

As an example and not a limitation, in this embodiment of the present application, the mobile terminal may also be a wearable device. Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes. A wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction. In a broad sense, wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones. Use, such as various types of smart bracelets, smart jewelry, etc. for physical sign monitoring.

Optionally, the mobile terminal described in this embodiment of the present application may be mobile or fixed. If the location of the mobile terminal is fixed, the mobile terminal may also be a terminal device such as a TV or a display, which is not made in this embodiment of the present application. limited.

First, an existing mobile terminal will be introduced with reference to FIGS. 1 to 6 , wherein FIGS. 1 to 3 show schematic structural diagrams of an existing mobile terminal 100 , and FIGS. 4 to 6 show an existing mobile terminal 100 . A schematic structural diagram of the terminal 200 .

It should be noted that, FIG. 1 shows a back view of the mobile terminal 100, and the perspective is toward the back of the mobile terminal 100, and FIG. 2 shows a front view of the mobile terminal 100, and the view is toward the mobile terminal 100. From the front view of the terminal 100 , FIG. 3 shows a cross-sectional view of the mobile terminal 100 , which is a view toward the longitudinal section of the mobile terminal 100 .

It should be understood that the front of the mobile terminal mentioned in this application refers to the side of the mobile terminal facing the user in the usual use state, that is, the display surface side of the mobile terminal, and the back of the mobile terminal refers to the side opposite to the front of the mobile terminal. One side, that is, the non-display surface side of the mobile terminal, the longitudinal section of the mobile terminal refers to a section obtained by cutting from the display surface side of the mobile terminal to the non-display surface side along the longitudinal axis of the mobile terminal.

Specifically, as shown in FIG. 1 and FIG. 2 , the mobile terminal 100 includes a casing 110 and a display module, the display module includes a display screen 120 , a flexible printed circuit (FPC) 130 , a driving chip 140 and The exposed device 150 , the display screen 120 includes a display area 121 , a lead area 122 and a non-display area 123 , wherein the display area 121 is used to display the information of the mobile terminal 100 , and the non-display area 123 is used to layout the display area 121 The lead area 122 is disposed at the first edge of the display area 121, the flexible circuit board 130 connects the lead area 122 and the driver chip 140 through the first edge, and the exposed device 150 is accommodated in the display area the space between the screen 120 and the casing 110 .

As shown in FIG. 3 , the existing display screen 120 of the mobile terminal 100 is a rigid display screen, and the display screen 120 includes a thin film transistor (TFT) glass 126 and an encapsulation (ENCAP) glass 125 arranged in layers. and cover glass (CG) glass 124 , the CG glass 124 is located at the outermost side of the display surface of the display screen 120 .

Optionally, the lead area 122 is disposed on the surface of the TFT glass 126 exposed after the ENCAP glass 125 near the first edge is cut off, and one end of the flexible circuit board 130 is welded to the lead area 122 . Together, the first edge is bent and welded with the driving chip 140 .

Optionally, the first edge may refer to the upper edge or the lower edge of the display area in the usual use state of the mobile terminal, and only the first edge is the upper edge of the display screen as an example in FIG. 1 to FIG. 3 for description. .

It should be understood that the width of the frame described in this application refers to the distance between the outer edge of the display area of the mobile terminal and the outer edge of the casing.

Since the exposed device 150 of the existing mobile terminal 100 is disposed outside the display area 121, the frame width of the mobile terminal 100 is increased.

In addition, when the flexible circuit board 130 is bent from the front surface of the TFT glass 126 to the non-display surface side of the display screen 120 via the lead region 122 at the first edge, the bending position and the various parts of the display screen 120 The thickness of the glass glue when the layers of glass are bonded by the glass glue will occupy a larger frame width of the mobile terminal 100 .

Therefore, the frame of the existing mobile terminal 100 is relatively wide, that is, the screen ratio of the mobile terminal 100 is relatively low.

It should be noted that, FIG. 4 shows a back view of the mobile terminal 200 , which is a perspective toward the back of the mobile terminal 200 , and FIG. 5 shows a front view of the mobile terminal 200 , which is a view toward the mobile terminal 200 . From the front view of the terminal 200 , FIG. 6 shows a cross-sectional view of the mobile terminal 200 , which is a view toward the longitudinal section of the mobile terminal 100 .

Specifically, as shown in FIG. 4 and FIG. 5 , the mobile terminal 200 includes a casing 210 and a display module, the display module includes a display screen 220 , a flexible printed circuit (FPC) 240 , a driving chip 250 and Exposed device 260, the display screen 220 has a notch 230, the notch 230 is used for accommodating the exposed device 260 of the mobile terminal 200, the display screen 220 includes a display area 221, a lead area 222 and a non-display area 223, wherein the display area 221 is used to display the information of the mobile terminal 200, the non-display area 223 is used to lay out the wiring of the display area 221, the lead area 222 is arranged at the lower edge of the display area 221, and the flexible circuit board 240 passes through the The lower edge connects the lead region 222 and the driving chip 250 .

As shown in FIG. 6 , the existing display screen 220 of the mobile terminal 200 is a flexible display screen. The display screen 220 includes a stacked TFT substrate 226 , an ENCAP glass 225 and a CG glass 224 . The CG glass 224 is located on the display screen. 220 is the outermost of the display surface.

Optionally, the lead area 122 is disposed on the surface of the TFT substrate 226 exposed after the ENCAP glass 125 near the lower edge is cut off, and the flexible circuit board 240 is integrated with the display screen through the lead area 222 It is formed, bent through the lower edge, and welded with the driving chip 250 .

Therefore, when the flexible circuit board 240 of the existing mobile terminal 200 is bent from the front surface of the TFT substrate 226 to the non-display surface side of the display screen 220 via the lead region 222 at the lower edge, the bending position will increase the The frame of the mobile terminal 200 is relatively wide, that is, the screen ratio of the mobile terminal 200 is relatively low.

To sum up, the area of the display interface of the existing terminal device is small, that is, the screen ratio of the existing mobile terminal is low.

The present application provides a display module of a mobile terminal and a mobile terminal, which can improve the screen ratio of the mobile terminal.

Next, the display module 300 of the mobile terminal provided by the embodiments of the present application will be introduced with reference to FIG. 7 to FIG. 11 , wherein FIG. 7 shows a rear view of the display module 300 , and the rear view of the mobile terminal is adopted. 8 shows a front view of the display module 300, using a front view of the mobile terminal, FIG. 9 shows a partial front perspective view of the display module 300, and FIGS. 10 and 11 show The cross-sectional view of the display module 300 is shown, and the perspective is taken toward the longitudinal section of the mobile terminal.

It should be understood that the front of the mobile terminal mentioned in this application refers to the side of the mobile terminal facing the user in the usual use state, that is, the display surface side of the mobile terminal, and the back of the mobile terminal refers to the side opposite to the front of the mobile terminal. One side, that is, the non-display surface side of the mobile terminal, the longitudinal section of the mobile terminal refers to a section obtained by cutting from the display surface side of the mobile terminal to the non-display surface side along the longitudinal axis of the mobile terminal.

Specifically, as shown in FIG. 7 and FIG. 8 , the display module 300 includes a display screen 310 , a first connector 330 and a first driving chip 340 , and the display screen 310 includes a display area 311 and a first lead area 312 , wherein , the display area 311 is used to display the information of the mobile terminal, the display area 311 has a gap 321, the gap 321 is used to accommodate the exposed components of the mobile terminal, the first lead area 312 is arranged in the display area 311 adjacent to the At the first edge of the notch 321 , the first connecting member 330 connects the first lead region 312 and the first driving chip 340 , and the first driving chip 340 is disposed on the non-display surface side of the display screen 310 .

It should be understood that, the first edge can be understood as the upper edge of the display area 311 in the normal use state of the mobile terminal.

Optionally, as shown in FIG. 8 , the display screen 310 may further include a non-display area 313 , the non-display area 313 surrounds the outside of the display area 311 , and the non-display area 313 is on the side of the display area 311 . The notch 321 also has a notch, the non-display area 313 is used for laying out the wiring of the display area, and the first lead area 312 is used to lead out the wiring of the display area.

Optionally, the embodiment of the present application does not limit the specific structure of the first lead region 312 , for example, the first lead region 312 may be a strip-shaped structure as shown in FIG. 9 .

Optionally, the first lead region 312 may be disposed at any position adjacent to the first edge of the notch 321 , which is not limited in this embodiment of the present application.

In a possible implementation manner, as shown by the shaded part in FIG. 9 , the first lead region 312 may be disposed at at least one of the bottom, left sidewall and right sidewall of the notch 321 . Correspondingly, one end of the first connecting member 330 is connected to the first lead region 312 , and is bent to the non-display surface side of the display screen 310 through the notch 321 to be connected to the first driving chip 340 .

It should be understood that the first lead region 312 is only exemplarily shown in FIG. 9 to be disposed at the bottom of the notch 321 , and the first lead region 312 may also be disposed at other positions as shown in the shaded part in FIG. 9 , or in FIG. 9 . There are many positions shown in the shaded parts shown in the figure, but the embodiments of the present application should not be limited thereto.

In another possible implementation, as shown in FIG. 10 and FIG. 11 , the display screen 310 includes a CG glass 314 , an ENCAP glass 315 and a TFT substrate 316 stacked from the display surface side to the non-display surface side. A lead area 312 may be disposed on the surface of the TFT substrate 316 exposed after the portion of the ENCAP glass 314 adjacent to the first edge of the notch 321 is cut off. Correspondingly, one end of the first connecting member 330 is connected to the first lead area 312 , is bent to the non-display surface side of the display screen 310 through the notch 321 , and the other end is connected to the first driving chip 340 .

Optionally, the display screen 310 in this embodiment of the present application may be various types of display screens, such as a liquid crystal display (LCD), a rigid display (eg, a rigid organic light emitting diode (OLED)) screen), a flexible display screen (eg, a flexible OLED screen), a micro (micro) light emitting diode (light emitting diode, LED) screen, etc., which are not limited in the embodiments of the present application. The rigid display screen may also be referred to as a rigid screen, and the flexible display screen may also be referred to as a flexible screen, which is not limited in this embodiment of the present application.

In another possible implementation manner, when the display screen is a rigid display screen, such as an LCD display screen, the display screen 310 includes CG glass 314, ENCAP glass 315 and For the TFT substrate 316 , the first lead region 312 may be provided with the ENCAP glass 314 on the surface of the TFT substrate 316 exposed after the portion of the ENCAP glass 314 adjacent to the first edge of the notch 321 is cut off. Correspondingly, one end of the first connecting member 330 is connected to the first lead area 312 , is bent to the non-display surface side of the display screen 310 through the notch 321 , and the other end is connected to the first driving chip 340 .

It should be noted that the cross-sectional views of the display module 100 shown in FIGS. 10 and 11 refer to the gap 321 along the longitudinal axis of the mobile terminal, from the display surface side of the mobile terminal to the non-display surface side Cut the resulting section.

In another possible implementation manner, the first lead region 312 may also be disposed on the surface of the TFT substrate 316 on the non-display surface side of the display screen 310 adjacent to the first edge of the notch 321 . Correspondingly, one end of the first connecting member 330 is connected to the first lead region 312 on the non-display surface side of the display screen 310 , and the other end is connected to the first driving chip 340 .

Optionally, the display screen 310 may further include other layer structures not shown in FIG. 10 or FIG. 11 . In the embodiment of the present application, the positions of the other layer structures in the display screen 310 are related to the CG glass 314 , ENCAP The relationship between the positions of the glass 315 and the TFT substrate 316 is not limited.

In this embodiment of the present application, a laser cutting technology may be used to cut the portion of the ENCAP glass 315 adjacent to the first edge of the notch 321 to improve cutting accuracy.

Optionally, the first connector 330 may be an FPC.

It should be understood that FPC is a highly reliable flexible printed circuit made of a flexible insulating substrate such as polyimide or polyester film. Sexual characteristics. FPC is mainly used in the connection parts of electronic products. Since all the lines are arranged on the FPC, the connection of redundant lines can be omitted, the flexibility can be improved, and the assembly of three-dimensional space in a limited space can be strengthened, thereby effectively reducing the product cost. volume.

Optionally, the first driver chip 340 is connected to the FPC 330, and the first driver chip 340 and the FPC 330 can be welded together. For example, the first driver chip 340 can be integrated on the FPC 330 and packaged as the first A chip on film (COF).

It should also be understood that a COF product refers to a chip package product formed by directly packaging a semiconductor chip on a flexible substrate by using a flexible packaging substrate as a carrier.

Optionally, the mobile terminal may further include a mainboard and a third connector, the mainboard is disposed on the non-display surface side of the display screen 310 , and the third connector connects the mainboard and the first COF.

In a possible implementation manner, the third connector may be a flexible circuit board, one end of the third connector is welded with the first COF, and the other end is welded with the main board.

Optionally, the first connector 330 may be connected with the display screen 310 in various ways, which is not limited in this embodiment of the present application.

In a possible implementation manner, as shown in FIG. 10 , the TFT substrate 316 may be a glass substrate, that is, the display screen 310 may be a rigid display screen or a liquid crystal display screen, and the first connector 330 may be connected through the A lead area 312 is soldered to the display screen 310 .

In another possible implementation manner, as shown in FIG. 11 , the TFT substrate 316 may be a flexible substrate, that is, the display screen 310 may be a flexible display screen, and the first connecting member 330 may pass through the first lead area 312 is integrally formed with the display screen 310 .

Optionally, a multiplexer circuit may be used in the first lead area 321 to layout the circuit lines of the display area 311 to reduce the width of the first lead area 321 as shown in FIG. 8 , Alternatively, the trace interval between the traces laid out in the first lead area 321 can be reduced to reduce the trace width, thereby reducing the size of the gap 321 and increasing the screen ratio of the mobile terminal.

Optionally, the wiring of the display area 311 may be arranged at the position of the non-display area 313 at the gap 321, for example, the wiring of the display area 311 may be arranged at the wiring position as shown in FIG. 12 . to reduce the frame width of other edges except the first edge of the mobile terminal, thereby increasing the screen ratio of the mobile terminal.

Optionally, the exposed device of the mobile terminal accommodated in the gap 321 may include at least one of a camera, an optical sensor, and an audio device, which is not limited in this embodiment of the present application.

Optionally, the optical sensor may include structured light and/or ambient light, which is not limited in this embodiment of the present application.

Optionally, the optical sensor of the mobile terminal can also be arranged in the non-display area 313, for example, in the position shown in FIG. 13, so as to reduce the size of the gap 321, thereby increasing the screen ratio of the mobile terminal .

Optionally, the embodiment of the present application does not limit the shape of the notch 321 at the first edge of the display area 311 and the position of the notch 321 at the first edge.

For example, the notch 321 may be in the shape and location shown in FIG. 14 or FIG. 15 .

Optionally, the display area 311 may have one or more notches 321 , which is not limited in this embodiment of the present application.

For example, as shown in FIGS. 16 to 19 , the display area 311 has two notches 321 , and the two notches 321 can be arranged at the positions shown in FIG. 16 .

Optionally, when the display area 311 has a plurality of notches 321, the display screen 310 includes a plurality of first lead areas 312 corresponding to the plurality of notches one-to-one, and a first lead line corresponding to each of the plurality of notches The location of the area setting is similar to that the display area 311 has a notch 321 , and details are not repeated here.

Correspondingly, the first connecting member 330 connects the display screen 310 and the first driving chip 340 through a first lead area corresponding to each of the plurality of notches 321 .

In a possible implementation manner, as shown in FIG. 16 and FIG. 17 , the first connecting member 330 may be integrally formed on the non-display surface side of the display screen 310 .

In another possible implementation, as shown in FIG. 18 and FIG. 19 , the first connector 330 is drawn out from the first lead area corresponding to each notch 321 to form an independent form on the non-display surface side of the display screen 310 The display module 300 further includes a fourth connector 350, the fourth connector connects the multiple parts of the first connector 330 formed on the non-display surface side of the display screen 310 and the first driver chip 340 .

It should be noted that FIGS. 14 and 15 show partial front views of the display module 300 , and FIGS. 16 to 19 show partial rear views of the display module 300 .

Optionally, when the display screen 310 is a liquid crystal display screen, the display module 300 further includes a backlight assembly, and FIGS. 20 to 23 show that the display screen 310 included in the display module 300 provided by the embodiment of the present application is a liquid crystal display A schematic structural diagram of the display module 300 when the screen is displayed.

It should be noted that, FIG. 20 is a back view of the display module 300 , FIG. 21 is a front view of the display module 300 , and FIGS. 22 and 23 are cross-sectional views of the display module 300 . The side is the second edge (lower edge) of the display screen 310, the right side is the first edge (upper edge) of the display screen 310, the left side in FIG. 23 is the first edge (upper edge) of the display screen, On the right is the second edge (lower edge) of the display screen 310 .

Specifically, as shown in FIGS. 20 to 23 , if the display screen 310 in the display module 300 is a liquid crystal display screen, the display module 300 further includes: a backlight assembly 360 , a second connector 370 and a second A driver chip 380, the backlight assembly 360 and the second lead area 390 of the backlight assembly 360 are disposed at the second edge of the display area 311, the backlight assembly 360 is used to provide a display light source for the mobile terminal, the second driver chip 380 is disposed on the non-display surface side of the display screen 310 , and the second connecting member 370 connects the backlight assembly 360 and the second driving chip 380 through the second lead area 390 .

Alternatively, the backlight assembly may include light emitting diodes (LEDs).

It should be understood that FIG. 22 and FIG. 23 only exemplarily show the implementation of the second connector 370 connecting the backlight assembly 360 and the second driving chip 380 , and the second connector 370 can also refer to the first connector 330 The backlight assembly 360 and the second driving chip 380 are connected in a manner of connecting the display screen 310 and the first driving chip 340, which is not limited in the implementation of this application.

Optionally, the second driver chip 380 may be integrated on the second connector 370 and packaged as a second COF, and the mobile terminal may further include a fifth connector that connects the mainboard of the mobile terminal with the the second COF.

Optionally, the first driver chip 340 and the second driver chip 380 may be two independent chips, or the first driver chip 340 and the second driver chip 380 may be integrated on one chip, the embodiment of the present application This is not limited.

FIG. 24 shows a mobile terminal 400 provided by an embodiment of the present application, where the mobile terminal 400 includes the display module 300 provided by an embodiment of the present application.

Specifically, the mobile terminal 400 includes a casing 410 , an exposed device 420 and a display module 300 , the notch 321 of the display area 311 accommodates the exposed device 420 , and the casing 410 accommodates the display module 300 .

Optionally, the display module 300 may further include a fingerprint processing module, and the display screen 310 may be a touch display screen.

Optionally, the display module 300 and/or the mobile terminal 400 may further include other components, and the information of the embodiments of the present application should not be limited to the structures shown in the drawings of the embodiments of the present application.

The display area 311 of the display module 300 provided by the embodiments of the present application described above with reference to FIGS. 7 to 24 has a gap.

Optionally, as shown in FIG. 25 , the display area 311 may further have a hollow structure 322 adjacent to the first edge.

Optionally, when the display area 311 has a hollow structure 322, the first lead area 312 may be disposed on the top, bottom, left side wall and the cavity formed by the hollow structure 322 as shown in the shaded part in FIG. 26 . At least one of the right side walls is not limited in this embodiment of the present application.

It should be understood that, in the embodiments of the present application, the hollow structure may also be a hollow visually when used by a user, that is, there is a display difference between the hollow area and other display areas. The present application does not make any limitation on the specific implementation manner of the hollow structure. In an example, as shown in FIG. 49 , the display screen may be a rigid display screen or a liquid crystal display screen, the hollow structure may be that the cover glass 325 included in the display screen in the mobile terminal has integrity, and the display panel may have an incomplete area, namely It may be a hollow area 322 in which a groove portion or a hollow portion appears on the thin film transistor glass, so that the hollow portion does not display screen content information.

In one example, as shown in FIG. 25 , the display screen may be a rigid display screen or a liquid crystal display screen, and the hollow structure may be that the cover glass 325 included in the display screen 310 in the mobile terminal has integrity, and the display panel also has integrity. A certain area 322 of the display panel does not use a display material, such as a light-transmitting or transparent material, so that the screen content information of this area is not displayed on the display screen.

For example, the thin film transistor glass includes a first area, and the first area may be made of light-transmitting material or other materials, so that information of the mobile terminal is not displayed in the first area, resulting in a visual hollow effect.

In one example, as shown in FIG. 49 , the display screen 310 may be a flexible display screen, the hollow structure may be that the cover glass 325 included in the display screen in the mobile terminal has integrity, and the film flexible screen has an incomplete area 322, that is, it can be It is the hollow area 322 in which the groove part or the digging part appears on the thin film flexible screen, so that the hollow part does not display the screen content information.

In an example, as shown in FIG. 25 , the display screen 310 may be a flexible display screen, and the hollow structure may be that the cover glass 325 included in the display screen in the mobile terminal has integrity, and the film flexible screen also has integrity. A certain area 322 of the display does not use a display material, for example, a light-transmitting or transparent material is used, so that the screen content information of this area 322 is not displayed on the display screen.

For example, the thin-film flexible screen includes a second area, and the second area can be made of light-transmitting material or other materials, so that information of the mobile terminal is not displayed in the second area, resulting in a visual hollow effect. It should be understood that, in the embodiments of the present application, the shape of the hollow area may be a rectangle, a circle, or other shapes, which are not limited in the embodiments of the present application.

Optionally, the embodiment of the present application does not limit the shape of the hollow structure 322 and the position of the hollow structure 322 at the first edge.

Optionally, the display area 311 may have one or more hollow structures, which are not limited in this embodiment of the present application.

Optionally, the display area 311 may have both a notch and a hollow structure, which is not limited in this embodiment of the present application.

Optionally, the first lead region 312 may be disposed at any position adjacent to the first edge of the hollow structure 322 , which is not limited in this embodiment of the present application.

In a possible implementation, as shown in the shaded part in FIG. 26 , the first lead region 312 may be disposed on the bottom, the top left side wall and the right side wall of the cavity formed by the hollow structure 322 at least one. Correspondingly, one end of the first connecting member 330 is connected to the first lead region 312 , and is bent to the non-display surface side of the display screen 310 through the notch 321 to be connected to the first driving chip 340 .

It should be noted that, as shown in FIG. 25 , the display screen 310 further includes a cover glass 325 located at the outermost side of the display surface of the display screen. The hollow structure in the embodiment of the present application may be a hollow visually when a user uses it, that is, a hollow area. There are display differences from other display areas, that is, a rigid display screen or a thin film transistor glass included in a liquid crystal display screen or a thin film flexible screen included in a flexible display screen with a hollow area (for example, a hole or groove), or a thin film transistor The glass or thin-film flexible screen may have integrity including non-display areas, but the cover glass 325 may always maintain integrity.

It should be understood that, in FIG. 26 , the first lead area 312 is only shown as being disposed at the bottom of the hollow structure 322 , and the first lead area 312 may also be disposed at other positions as shown by the shaded part in FIG. 26 , or as shown in FIG. 26 are shown in the shaded parts, but the embodiments of the present application should not be limited thereto.

It should be understood that the structure when the display area 311 has the hollow structure 322 is similar to the structure when the display area 311 has a notch, and to avoid repetition, details are not described herein again.

In a possible implementation, as shown in FIG. 50 and FIG. 51 , the first connector 330 may include a first sub-connector 331 and a second sub-connector 332 , and the first lead area includes a first sub-lead A region 312a and a second sub-lead region 312b, the first sub-lead region 312a and the second sub-lead region 312b are respectively disposed at the first edges on both sides of the hollow structure 322, and the first sub-connector 331 connects the The first sub-lead area 312 a and the first driver chip 340 , and the second sub-connector 332 connects the second sub-lead area 312 b and the first driver chip 340 .

In a possible implementation, one end of the first sub-connector 331 is connected to the first sub-lead region 312a, and is bent through the region on the left side of the hollow structure to be connected to the first driving chip 340. One end of the second sub-connector 332 is connected to the second sub-lead region 312 b , and is bent through the region on the right side of the hollow structure to be connected to the first driving chip 340 .

Optionally, as shown in FIG. 51 , the first sub-connector 331 and the second sub-connector 332 can be integrally formed on the non-display surface side of the display screen 310 and connected to the first driver chip 340; As shown in FIG. 52 , the first sub-connector 331 and the second sub-connector 332 are respectively connected to the first driver chip 340 on the non-display surface side of the display screen 310 , which is not limited in this embodiment of the present application.

Since the first sub-connector 331 and the second sub-connector 332 are integrally formed with the display screen 310 , on the non-display surface side of the display screen 310 , the first sub-connector 331 is connected with the second sub-connector The components 332 are respectively connected with the first driving chip 340, and the manufacturing process is simpler.

Optionally, the first sub-connector 331 may be integrally formed with the display screen 310 through the first sub-lead area 312a, and the second sub-connector 332 may be integrated with the display screen 310 through the second sub-lead area 312b Shaped, that is, the display screen 310 is a flexible display screen.

To sum up, in the display module of the mobile terminal provided by the embodiments of the present application, the first edge of the display area has a notch and/or a hollow structure, and the notch and/or the hollow structure are used to accommodate the exposed components of the mobile terminal, The first lead area is disposed at the display area adjacent to the first edge of the notch and/or the hollow structure, and the first connector connects the display screen and the first driver chip through the first lead area.

That is to say, in the embodiment of the present application, the first lead area is provided by using a notch and/or a hollow structure for accommodating exposed components, and the first connector connects the display screen and the first lead area through the first lead area. Compared with the prior arrangement of the first lead area on the lower edge of the mobile terminal, the driver chip can reduce the frame width of the mobile terminal, thereby increasing the screen ratio of the mobile terminal.

In addition, in the embodiments of the present application, the exposed components of the mobile terminal are arranged at the notch and/or hollow structure in the display area, which can also reduce movement compared to the existing exposed components arranged in the space between the display area and the casing. The width of the border of the terminal, thereby increasing the screen ratio of the mobile terminal.

In an alternative implementation manner, if the display area 311 of the display module 300 has a notch 321, the first lead area can be disposed at the first edge of the display area 311 except for the area where the notch 321 is located, The first connecting member 330 connects the first lead region and the first driving chip 340 .

Optionally, the first lead region may be disposed at any position on the first edge except the region where the notch 321 is located, which is not limited in this embodiment of the present application.

In a possible implementation manner, the first lead area may be arranged in the ear area as shown in FIG. 28 , for example, at the first lead area 312 a on the left side of the notch 321 , or at the notch 321 At the first lead region 312b on the right side.

Optionally, as shown in FIG. 27 , the first lead area is disposed at the first edge on one side of the notch 321 , and the first connector 330 connects the first lead area and the first lead area through the ear area on one side of the notch 321 . The first driver chip 340 .

Optionally, as shown in FIGS. 28 and 29 , the first connector 330 may include a first sub-connector 331 and a second sub-connector 332 , and the first lead area includes a first sub-lead area 312 a and a second lead area The sub-lead area 312b, the first sub-lead area 312a and the second sub-lead area 312b are respectively disposed at the first edges on both sides of the notch 312, and the first sub-connector 331 is connected to the first sub-lead area 312a With the first driver chip 340 , the second sub-connector 332 connects the second sub-lead region 312 b and the first driver chip 340 .

In a possible implementation manner, one end of the first sub-connector 331 is connected to the first sub-lead area 312a, bent through the ear area on the left side of the notch, and connected to the first driving chip 340, and the first sub-lead area 312a is bent. One end of the second sub-connector 332 is connected to the second sub-lead area 312b, and is bent through the ear area on the right side of the notch to connect to the first driving chip 340.

Optionally, as shown in FIG. 29 , the first sub-connector 331 and the second sub-connector 332 can be integrally formed on the non-display surface side of the display screen 310 and connected to the first driver chip 340; As shown in FIG. 30 , the first sub-connector 331 and the second sub-connector 332 are respectively connected to the first driver chip 340 on the non-display surface side of the display screen 310 , which is not limited in this embodiment of the present application.

Since the first sub-connector 331 and the second sub-connector 332 are integrally formed with the display screen 310 , on the non-display surface side of the display screen 310 , the first sub-connector 331 is connected with the second sub-connector The components 332 are respectively connected with the first driving chip 340, and the manufacturing process is simpler.

Optionally, the first sub-connector 331 may be integrally formed with the display screen 310 through the first sub-lead area 312a, and the second sub-connector 332 may be integrated with the display screen 310 through the second sub-lead area 312b Shaped, that is, the display screen 310 is a flexible display screen.

The display module 300 and the mobile terminal 400 provided by the embodiment of the present application are described above with reference to FIGS. 7 to 30 , and the mobile terminal 500 provided by the embodiment of the present application will be described below with reference to FIG. 31 . The above-mentioned display module 300 and mobile terminal 400 All can be applied to the mobile terminal 500 .

FIG. 31 shows a schematic diagram of the mobile terminal 500. As shown in FIG. 31, the mobile terminal 500 may include the following components.

A. RF Circuits 510

The RF circuit 510 can be used for receiving and sending signals during sending and receiving of information or during a call. In particular, after receiving the downlink information of the base station, it is processed by the processor 580; in addition, the designed uplink data is sent to the base station. Generally, the RF circuit includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, an LNA (Low Noise Amplifier), a duplexer, and the like. In addition, RF circuitry 510 may also communicate with networks and other devices via wireless communications. The wireless communication can use any communication standard or protocol, including but not limited to wireless local area networks (WLAN) global system of mobile communication (GSM) system, code division multiple access (code division multiple access, CDMA) system, wideband code division multiple access (WCDMA) system, general packet radio service (GPRS), long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex) , FDD) system, LTE time division duplex (time division duplex, TDD), universal mobile telecommunication system (universal mobile telecommunication system, UMTS), global interconnection microwave access (worldwide interoperability for microwave access, WiMAX) communication system, the future fifth 5th generation (5G) system or new radio (NR), etc.

B. Memory 520

The memory 520 may be used to store software programs and modules, and the processor 580 executes various functional applications and data processing of the mobile terminal 500 by running the software programs and modules stored in the memory 520 . The memory 520 may mainly include a stored program area and a stored data area, wherein the stored program area may store an operating system, an application program required for at least one function (such as a sound playback function, an image playback function, etc.), etc.; the storage data area may store Data (such as audio data, phonebook, etc.) created according to the use of the mobile terminal 500, and the like. Additionally, memory 520 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.

C. Other input devices 530

Other input devices 530 may be used to receive input numerical or character information, and generate key signal input related to user settings and function control of the mobile terminal 500 . Specifically, other input devices 530 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, joysticks, optical mice (optical mice are touch-sensitive mice that do not display visual output) surface, or an extension of a touch-sensitive surface formed by a touch screen), etc. The other input device 530 is connected to the other input device controller 571 of the I/O subsystem 570 , and performs signal interaction with the processor 580 under the control of the other device input controller 571 .

D. Display 540

The display screen 540 may be used to display information input by or provided to the user and various menus of the mobile terminal 500, and may also accept user input. The specific display screen 540 may include a display panel 541 and a touch panel 542 . The display panel 541 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like. The touch panel 542, also known as a touch screen, touch sensitive screen, etc., can collect the user's contact or non-contact operations on or near it (such as the user using a finger, stylus, etc., any suitable object or accessory on the touch panel 542) Or the operation near the touch panel 542 may also include a somatosensory operation; the operation includes single-point control operation, multi-point control operation and other operation types), and the corresponding connection device is driven according to a preset program. Optionally, the touch panel 542 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation and posture, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, and converts it into a processor capable of The processed information is then sent to the processor 580, and the commands sent by the processor 580 can be received and executed. In addition, the touch panel 542 can be realized by various types of resistive, capacitive, infrared, and surface acoustic waves, and any technology developed in the future can also be used to realize the touch panel 542 . Further, the touch panel 542 can cover the display panel 541, and the user can display the content on the display panel 541 according to the content displayed on the display panel 541 (the display content includes, but not limited to, a soft keyboard, a virtual mouse, virtual keys, icons, etc.) on the display panel 541 The operation is performed on or near the covered touch panel 542. After the touch panel 542 detects the operation on or near it, the operation is transmitted to the processor 580 through the I/O subsystem 570 to determine the user input, and then the processor 580 according to the user Inputs provide corresponding visual outputs on display panel 541 through I/O subsystem 570 . Although in FIG. 4 , the touch panel 542 and the display panel 541 are used as two independent components to realize the input and input functions of the mobile terminal 500 , in some embodiments, the touch panel 542 and the display panel 541 may be combined The input and output functions of the mobile terminal 500 are implemented by integration.

It should be understood that the display panel 541 described in the embodiments of the present application may be understood as the display screen 310 described in the foregoing embodiments.

E. Sensor 550

Sensors 550 may be one or more, for example, may include light sensors, motion sensors, and other sensors.

Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 541 according to the brightness of the ambient light, and the proximity sensor may close the display panel 541 when the mobile terminal 500 is moved to the ear and/or backlight.

As a kind of motion sensor, the acceleration sensor can detect the magnitude of acceleration in all directions (usually three axes), and can detect the magnitude and direction of gravity when it is stationary. games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.

In addition, the mobile terminal 500 may also be configured with a gravity sensor (also referred to as a gravity sensor), a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor and other sensors, which will not be described herein again.

F. Audio circuit 560, speaker 561, microphone 562

An audio interface between the user and the mobile terminal 500 may be provided. The audio circuit 560 can transmit the received audio data converted signal to the speaker 561, and the speaker 561 converts it into a sound signal for output; on the other hand, the microphone 562 converts the collected sound signal into a signal, which is received by the audio circuit 560. Converted to audio data, the audio data is output to the RF circuit 108 for transmission to, for example, another terminal device, or the audio data is output to the memory 520 for further processing.

G. I/O Subsystem 570

The I/O subsystem 570 is used to control the input and output of external devices, which may include other devices input controller 571 , sensor controller 572 , and display controller 573 . Optionally, one or more other input control device controllers 571 receive signals from and/or send signals to other input devices 530, which may include physical buttons (push buttons, rocker buttons, etc.) , dial, slide switch, joystick, click wheel, light mouse (light mouse is a touch-sensitive surface that does not display visual output, or an extension of a touch-sensitive surface formed by a touch screen). It should be noted that other input control device controllers 571 may be connected to any one or more of the above-mentioned devices. The display controller 573 in the I/O subsystem 570 receives signals from and/or sends signals to the display screen 540 . After the display screen 540 detects the user input, the display controller 573 converts the detected user input into interaction with the user interface objects displayed on the display screen 540, that is, to realize human-computer interaction. Sensor controller 572 may receive signals from and/or send signals to one or more sensors 550 .

H. Processor 580

The processor 580 is the control center of the mobile terminal 500, uses various interfaces and lines to connect various parts of the entire terminal device, runs or executes the software programs and/or modules stored in the memory 520, and invokes the software programs and/or modules stored in the memory 520. data, perform various functions of the mobile terminal 500 and process data, so as to perform overall monitoring of the terminal device. Optionally, the processor 580 may include one or more processing units; preferably, the processor 580 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs, etc. , the modem processor mainly deals with wireless communication. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 580 .

The mobile terminal 500 also includes a power supply 590 (such as a battery) for supplying power to various components. Preferably, the power supply can be logically connected to the processor 580 through a power management system, so as to manage charging, discharging, and power consumption functions through the power management system.

In addition, although not shown, the mobile terminal 500 may also include a camera, a Bluetooth module, and the like, which will not be repeated here.

As an optional embodiment, FIG. 32 to FIG. 48 show schematic diagrams of an example of a mobile terminal, which provides a COF architecture based on an inverted rigid OLED screen to improve the screen ratio of the display screen and realize the four sides of the display screen. Narrow border visual effects, improve the user's visual experience and experience.

Of course, in other embodiments, for example, based on LCD, rigid OLED screen, flexible OLED screen, Micro LED and other display screens, the solution of FPC side notch (notch) outlet is adopted, and a four-sided narrow frame full-screen structure is also realized.

In some embodiments, based on a rigid OLED screen, ultra-narrow frame design: using the display screen inversion scheme, in the non-slotted area of the screen, a narrow frame design with three sides of the left and right and the lower side is realized; the head of the slotted area, the layout Cameras and other devices. The processing method of FPC outlet and notch slotting: use the screen upside down (FPC side up), in the notch slotting area of the screen, lead out the FPC; in the non-notch area, realize the display function. In this way, the upper non-notch area and the narrow border design on the left and right and lower sides are realized.

Specifically, in Figure 32, the left two are 3D drawings, the right two are line drawings, and the 101 structure in the line drawing is an FPC inversion structure of an inverted screen. The FPC inversion structure is arranged in the middle part of the screen display head. The middle part is the slotted area at the top of the screen; the 102 part in the line drawing in the figure is the display area on both sides of the FPC, which is called the ear display area of the display screen. This area and the lower screen are designed as an integrated screen. The size of the head border, the left and right borders, and the bottom border all maintain a narrow border design.

In some embodiments, the way of the COF on the TFT glass substrate can be as shown in FIG. 33 . The COF is a flexible circuit that leads out the pixel signals of the TFT screen, and is bonded to the TFT glass substrate (or flexible substrate by bonding). ), lead out in the form of a flexible circuit board; the ENCAP glass substrate & TFE flexible substrate is a glass substrate or TFE coating covering the TFT glass substrate (or flexible substrate) to protect the TFT circuit and the light-emitting layer; the The COF is drawn from above the single layer of glass in the slot.

It should be understood that COF is often referred to as a chip-on-film. The technology of fixing the driver IC on the flexible circuit board is a crystal soft film packaging technology. It is a technology that uses a soft additional circuit board as a packaged chip carrier to combine the chip with the flexible substrate circuit.

In some embodiments, the way of exiting the COF after bending may be as shown in FIG. 34 , after the COF is bent by the single-layer glass bonding, it is led out to the back side of the TFT glass or coating. The DDIC is the driver IC for driving the TFT circuit, which is fixed on the COF FPC by welding; the display driving integrated circuit (DDIC), that is, the display driver chip, is connected through the COF, and then connected to the The main FPC; the main FPC is connected to the mainboard of the mobile phone through the connector.

Specifically, as shown in FIG. 35, the COF needs to cut off the upper ENCAP glass in the bonding area of the TFT glass substrate. As shown in FIG. 36 and FIG. 37 , the COF FPC is connected to the main FPC after being led out from the front lead, and the main FPC is then connected to the PCB.

Optionally, the size of the slotted area may be specifically determined according to the size and quantity of the exposed devices.

In some embodiments, based on a rigid OLED screen, ultra-narrow frame design: using the display screen inversion scheme, in the non-slotted area of the screen, a narrow frame design with three sides of the left and right and the lower side is realized; the head of the slotted area, the layout Cameras and other devices. The processing method of FPC outlet and notch slotting: use the screen upside down (FPC side up), lead out the FPC in the non-notch slotting area of the screen, and realize the display function at the same time; in the notch slotting area, lay out other devices such as cameras.

Specifically, in Figure 38, the left two are 3D drawings, the right two are line drawings, and the 201 structure in the line drawing is an FPC inversion structure with an inverted screen, and the FPC inversion structure is arranged on both sides of the screen display head. , the middle part 203 is the slot area at the top of the screen; the part 202 in the line drawing in Figure 38 is the display area on both sides of the slot, which is called the ear display area of the display screen. This area and the lower screen are designed as an integrated screen, so The size of the head frame, the left and right frames, and the bottom frame of the ear display area all maintain a narrow frame design.

In some embodiments, the lead-out method of the COF on the TFT glass substrate can also be as shown in FIG. 39 , the slotted area is located in the middle part of the screen head, and the COF leads out the wires from the non-slotted areas on both sides, which means that the COF leads are located in the middle part of the screen header. The ear display areas on both sides; the slotted area can be used for layout of other devices such as front cameras.

In some embodiments, the way of wire exit after the COF is bent may be as shown in FIG. 40 .

Optionally, as shown in FIG. 41 , the connection form of the screen COF after it goes out and the FPC where the driver IC is located can also be a two-stage connection.

In some embodiments, the COF is in the bonding area of the TFT glass substrate, and the upper ENCAP glass needs to be cut off. Specifically, laser precision cutting or TFE coating process can be used to replace the existing ENCAP glass cover

In some embodiments, a multiplexer circuit is used to reduce the number of outgoing lines; at the same time, the pitch of bonding is reduced to widen the width of the whole machine and ensure the width of the COF outgoing lines.

In some embodiments, as shown in FIG. 42 and FIG. 43 , a TFE coating process can be used to replace the existing ENCAP glass cover, or part of the multiplexer circuit in the bottleneck area in FIG. 43 can be moved to the right vertical area in FIG. 42 ; At the same time suppliers reduce the trace width and the size of the multiplexer circuit. The gray area in Figure 42 is the circuit trace area, and the trace width of the top frame in Figure 43 is the bottleneck for realizing the narrow frame at the top.

In some embodiments, based on a rigid OLED screen, ultra-narrow frame design: using the display screen inversion scheme, in the non-slotted area of the screen, a narrow frame design with three sides of the left and right and the lower side is realized; the head of the slotted area, the layout Cameras and other devices. The processing method of FPC outlet and notch slotting: use the screen upside down (FPC side up), lead out the FPC in the non-notch slotting area of the screen, and realize the display function at the same time; in the notch slotting area, lay out cameras and other devices; Structured light emitting devices and other devices are arranged in the R corner areas on both sides of the top of the screen.

Specifically, the layout position of the structured light device can be as shown in Figure 44, the 204 is a structured light emitting device, the device is laid out on the right or left side of the top of the screen, and the structured light receiving device is laid out in the slot corresponding to 203 in the figure area.

In some embodiments, based on the LCD screen, ultra-narrow bezel design: using the display screen inversion scheme, in the non-slotted area of the screen, a narrow bezel design with the left and right sides and the lower side is realized; the head of the slotted area is arranged with cameras. and other devices. The processing method of FPC outlet and notch slotting: use the LCD screen upside down (FPC side up), lead out the FPC in the non-notch slotting area of the screen, and realize the display function at the same time; in the notch slotting area, lay out other devices such as cameras. The processing method of the backlight driver module and the liquid crystal LCD FPC outlet can be shown in Figure 45: the FPC outlet of the liquid crystal LCD is led out from the side of the head slot; and the backlight driver module is led out from the bottom of the figure.

Optionally, the backlight driving module may include light emitting diodes (LEDs), also known as backlight LED modules.

Specifically, FIG. 46 shows a partial enlarged view of the head, FIG. 47 shows a partial enlarged view of the tail, and FIG. 48 shows a cross-sectional view.

Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.

Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, which will not be repeated here.

In the several embodiments provided in this application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution. The computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes: U disk, removable hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk and other media that can store program codes .

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited to this. should be covered within the scope of protection of this application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims (24)

1. The utility model provides a mobile terminal's display module assembly which characterized in that, display module assembly includes: the display device comprises a display screen, a first connecting piece and a first driving chip; wherein,

the display screen comprises a display area and a first lead area, the display area is used for displaying information of the mobile terminal, the display area is provided with a notch and/or a hollow structure, the notch and/or the hollow structure is used for accommodating an exposed device of the mobile terminal, and the first lead area is arranged at a first edge of the display area, which is close to the notch and/or the hollow structure;

the first connecting piece is connected with the first lead area and the first driving chip, and the first driving chip is arranged on the non-display surface side of the display screen.

2. The display module of claim 1, wherein the first connector is a flexible circuit board.

3. The display module according to claim 1 or 2,

the display screen is a flexible display screen, and the first connecting piece and the display screen are integrally formed through the first lead area; or

The display screen is a rigid display screen or a liquid crystal display screen, and the first connecting piece is welded with the display screen through the first lead area.

4. The display module according to any one of claims 1 to 3, wherein one end of the first connecting member is connected to the first lead region, bent through the notch and/or the hollow structure, and connected to the first driving chip.

5. The display module according to any one of claims 1 to 4, wherein the display area has the notch, the first lead area is disposed at a bottom of the notch, and the first connector is connected to the first lead area and the first driver chip through the bottom of the notch.

6. The display module according to any one of claims 1 to 4, wherein when the display screen is a rigid display screen or a liquid crystal display screen, the display screen includes a thin film transistor glass, an encapsulation glass and a cover glass, which are stacked, the cover glass is located at an outermost side of a display surface of the display screen, and the first lead region is disposed on a surface of the thin film transistor glass exposed after a portion of the encapsulation glass adjacent to the notch and/or the first edge of the hollow structure is cut off.

7. The display module according to claim 6, wherein the display area has a hollow structure, comprising:

the thin film transistor glass is provided with a hollow area; or

The thin film transistor glass comprises a first area, and the first area does not display information of the mobile terminal.

8. The display module according to any one of claims 1 to 4, wherein when the display screen is a flexible display screen, the display screen comprises a thin film flexible screen and a cover glass which are stacked, and the cover glass is located at the outermost side of the display surface of the display screen.

9. The display module according to claim 8, wherein the display area has a hollow structure, comprising:

the thin film flexible screen is provided with a hollow area; or

The thin film flexible screen comprises a second area, and the second area does not display information of the mobile terminal.

10. The display module according to any one of claims 1 to 9, wherein the display screen is a liquid crystal display screen, and the display module further comprises a backlight assembly, a second connector and a second driving chip; wherein,

the backlight assembly comprises a second lead area, the second lead area is arranged at the second edge of the display area, and the backlight assembly is used for providing a display light source;

the second connecting piece is connected with the second lead area and the second driving chip, and the second driving chip is arranged on the non-display surface side of the display screen.

11. The display module according to any one of claims 1 to 10, wherein the exposed device comprises at least one of:

camera, optical sensor, audio equipment.

12. The display module according to any one of claims 1 to 11, wherein the display area comprises the notch, the display screen further comprises a non-display area surrounding an outside of the display area, and the non-display area also has a notch at the notch of the display area.

13. The display module of claim 12, wherein the exposed device of the mobile terminal comprises an optical sensor, and the optical sensor is disposed in the non-display area.

14. The display module according to any one of claims 1 to 13, wherein the first edge is an upper edge of the display area in a normal use state of the mobile terminal.

15. The utility model provides a mobile terminal's display module assembly which characterized in that, display module assembly includes: the display device comprises a display screen, a first connecting piece and a first driving chip; wherein,

the display screen comprises a display area and a first lead area, the display area is used for displaying information of the mobile terminal, the display area is provided with a notch, the notch is used for accommodating an exposed device of the mobile terminal, and the first lead area is arranged on a first edge of the display area except the position of the notch;

the first connecting piece is connected with the first lead area and the first driving chip, and the first driving chip is arranged on the non-display surface side of the display screen.

16. The display module of claim 15, wherein the first connector comprises a first sub-connector and a second sub-connector, and the first lead region comprises a first sub-lead region and a second sub-lead region; wherein,

the first sub-lead region and the second sub-lead region are respectively arranged at the first edges at two sides of the notch;

the first sub-connecting piece is connected with the first sub-lead area and the first driving chip;

the second sub-connecting piece is connected with the second sub-lead region and the first driving chip.

17. The display module of claim 16,

one end of the first sub-connecting piece is connected with the first sub-lead area, is bent at the first edge on one side of the notch through the display area and is connected with the first driving chip;

one end of the second sub-connecting piece is connected with the second sub-lead area, and is bent at the first edge at the other side of the gap through the display area to be connected with the first driving chip.

18. The display module according to claim 16 or 17, wherein the first sub-connector and the second sub-connector are integrally formed on the non-display surface side of the display screen.

19. The display module according to any one of claims 16 to 18, wherein the first edge is an upper edge of the display area in a normal use state of the mobile terminal.

20. The utility model provides a mobile terminal's display module assembly which characterized in that, display module assembly includes: the display device comprises a display screen, a first connecting piece and a first driving chip; wherein,

the display screen comprises a display area and a first lead area, the display area is used for displaying information of the mobile terminal, the display area is provided with a hollow structure, the hollow structure is used for accommodating an exposed device of the mobile terminal, and the first lead area is arranged at a first edge of the display area, which is close to the hollow structure;

the first connecting piece is connected with the first lead area and the first driving chip, and the first driving chip is arranged on the non-display surface side of the display screen.

21. The display module of claim 20, wherein the first connector comprises a first sub-connector and a second sub-connector, and the first lead region comprises a first sub-lead region and a second sub-lead region; wherein,

the first sub-lead region and the second sub-lead region are respectively arranged at the first edges at two sides of the hollow structure;

the first sub-connecting piece is connected with the first sub-lead area and the first driving chip;

the second sub-connecting piece is connected with the second sub-lead region and the first driving chip.

22. The display module of claim 21,

one end of the first sub-connecting piece is connected with the first sub-lead area, is bent at the first edge on one side of the hollow structure through the display area and is connected with the first driving chip;

one end of the second sub-connecting piece is connected with the second sub-lead area, and is bent at the first edge at the other side of the hollow structure through the display area to be connected with the first driving chip.

23. The display module according to claim 21 or 22, wherein the first sub-connector and the second sub-connector are integrally formed on the non-display surface side of the display screen.

24. The display module according to any one of claims 20 to 23, wherein the first edge is an upper edge of the display area in a normal use state of the mobile terminal.