CN110456571B

CN110456571B - Display assembly and terminal equipment

Info

Publication number: CN110456571B
Application number: CN201910741171.2A
Authority: CN
Inventors: 贾玉虎
Original assignee: Oppo Chongqing Intelligent Technology Co Ltd
Current assignee: Oppo Chongqing Intelligent Technology Co Ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2022-11-08
Anticipated expiration: 2039-08-12
Also published as: CN110456571A

Abstract

The disclosure relates to a display component and a terminal device, wherein the display component comprises a display panel, a backlight module and a first backlight source, and the display panel comprises a first display area and a second display area; the display panel is arranged on the light emitting side of the backlight module, the backlight module is provided with a first mounting hole, the projection of the first mounting hole on the display panel is positioned in the second display area, and the first mounting hole is used for mounting the camera module; the first backlight source is arranged in the first mounting hole and used for providing backlight for the second display area. Set up first mounting hole through second display area projection position on backlight unit, install the camera in first mounting hole and realized setting up the camera under display panel for first display area can normally show under the display mode, existing comprehensive screen demand that does benefit to realization terminal equipment, does not influence terminal equipment's demonstration simultaneously.

Description

Display assembly and terminal equipment

Technical Field

The disclosure relates to the technical field of terminals, in particular to a display assembly and a terminal device.

Background

With the development and progress of the technology, the full-screen is more and more widely applied to various terminal devices, but for the terminal device with the front camera, how to realize the coexistence of the full-screen and the front camera is a problem to be solved urgently.

In the related art, a hole is dug in a display area of a display device of a terminal device, and a front camera is arranged in the hole. Digging a hole in the display device may reduce the strength of the display device and may not be displayed in the area of the hole.

It is noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure and therefore may include information that does not constitute prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

The purpose of the present disclosure is to provide a display assembly and a terminal device, so as to overcome, at least to some extent, the problem that the strength of a display device is reduced due to hole digging of the display device in the related art, and display cannot be performed in a hole digging area.

According to an aspect of the present disclosure, there is provided a display assembly including:

a display panel including a first display region and a second display region;

the display panel is arranged on the light emitting side of the backlight module, the backlight module is provided with a first mounting hole, and the projection of the first mounting hole on the display panel is positioned in the second display area;

the camera is arranged in the first mounting hole;

and the first backlight source is arranged in the first mounting hole and used for providing backlight for the second display area.

According to another aspect of the present disclosure, a terminal device is provided, which includes the above display assembly.

The utility model provides a display module sets up first mounting hole through second display area projection position on backlight unit, and installation camera has realized setting up the camera under display panel in first mounting hole, through setting up first backlight in first mounting hole for first display area can normally show under the display mode, and existing comprehensive screen demand that does benefit to realize terminal equipment does not influence terminal equipment's demonstration simultaneously.

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

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.

Fig. 1 is a schematic structural diagram of a first display assembly according to an exemplary embodiment of the present disclosure.

Fig. 2 is a schematic structural diagram of a second display assembly provided in an exemplary embodiment of the present disclosure.

Fig. 3 is a schematic structural diagram of a third display assembly provided in an exemplary embodiment of the present disclosure.

Fig. 4 is a schematic diagram of a second display area provided in an exemplary embodiment of the present disclosure.

Fig. 5 is a schematic structural diagram of a display panel according to an exemplary embodiment of the present disclosure.

Fig. 6 is a schematic diagram of a light-transmitting driving circuit according to an exemplary embodiment of the present disclosure.

Fig. 7 is a schematic block diagram of a backlight driving circuit according to an exemplary embodiment of the disclosure.

In the figure: 10. a first display area; 20. a second display area; 100. a display panel; 110. a substrate; 120. a first polarizer; 130. a driving circuit layer; 140. a pixel electrode layer; 150. a liquid crystal layer; 160. a common electrode layer; 170. a black matrix layer; 180. a second polarizer; 200. a backlight module; 300. a camera module; 400. a first backlight source; 500. a middle frame; 510. a boss portion; 600. a backlight source drive circuit;

DT, drive transistor; t1, a first transistor; c1, an energy storage capacitor.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a detailed description thereof will be omitted.

Although relative terms, such as "upper" and "lower," may be used herein to describe one element of an icon relative to another, such terms are used herein for convenience only, e.g., with reference to the orientation of the example illustrated in the drawings. It will be understood that if the illustrated device is turned upside down, elements described as "upper" will be those that are "lower". When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.

The terms "a", "an", "the", "said" and "at least one" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first," "second," and the like are used merely as labels, and are not limiting on the number of objects.

First, a display module is provided in the present exemplary embodiment, and fig. 1 is a schematic structural diagram of a display module provided in an exemplary embodiment of the present disclosure, as shown in fig. 1, the display module includes: a display panel 100, a backlight module 200 and a first backlight source 400; the display panel 100 includes a first display area 10 and a second display area 20; the display panel 100 is disposed on the light emitting side of the backlight module 200, the backlight module 200 is provided with a first mounting hole, a projection of the first mounting hole on the display panel 100 is located in the second display area 20, and the first mounting hole is used for mounting the camera module 300; the first backlight source 400 is disposed in the first mounting hole, and is used for providing backlight for the second display area 20.

The first display area 10 is a normal display area, and the structure of the first display area 10 is a normal liquid crystal display panel structure. The projection area of the second display area 20 on the backlight module 200 is used for setting the camera module 300, so that the second display area 20 can transmit light in the shooting mode of the front camera module 300. The module 300 of making a video recording is leading camera, is in the mode of shooing at the module 300 of making a video recording, and second display area 20 is used for the printing opacity, and when leading module 300 of making a video recording was out of work, second display area 20 was used for showing. The first backlight 400 is located between the camera module 300 and the display panel 100, and the light emitting side of the first backlight 400 is located at a side close to the display panel 100.

The display module provided by the embodiment of the present disclosure sets up the first mounting hole through the projection position of the second display area 20 on the backlight module 200, and the installation of the camera module 300 in the first mounting hole realizes that the camera module 300 is set up under the display panel 100, and through setting up the first backlight 400 in the first mounting hole, the first display area 10 can normally display in the display mode, which is not only beneficial to realizing the comprehensive screen requirement of the terminal device, but also does not affect the display of the terminal device.

Further, the display module provided by the embodiment of the present disclosure may further include a middle frame 500 and a backlight driving circuit 600; as shown in fig. 2, the middle frame 500 has a protruding portion 510, the protruding portion 510 extends into the first mounting hole, the camera module 300 is mounted on the protruding portion 510, and a first through hole is formed in the protruding portion 510 and is used for allowing external light to enter the camera module 300. The backlight driving circuit 600 is connected to the first backlight 400, and the backlight driving circuit 600 drives the first backlight 400 to emit light in the display mode and drives the first backlight 400 to turn off in the shooting mode.

The following describes the components of the display module provided in the embodiments of the present disclosure in detail:

fig. 3 is a schematic structural diagram of a display assembly according to an exemplary embodiment of the present disclosure, and as shown in fig. 3, the display panel may include a first display area 10 and a second display area 20, and the first display area 10 may wholly or partially surround the second display area 20. The first display area 10 is a normal display area, and the pixel density of the second display area 20 is less than the display density of the first display area 10.

FIG. 4 is a schematic view of a second display area, such as provided in exemplary embodiments of the present disclosure

As shown in fig. 4, the second display region 20 may include a pixel region 21 and a light-transmitting region 22, the pixel region 21 being used to arrange pixel units, such as R pixel units, G pixel units, and B pixel units. The transparent region 22 is used to allow external light to enter the camera module 300, and the transparent region 22 is adjacent to the pixel region 21. When the camera module 300 is in the photographing mode, the transparent region 22 is transparent.

Fig. 5 is a schematic structural diagram of a display panel according to an exemplary embodiment of the present disclosure, and as shown in fig. 5, the display panel 100 may be a liquid crystal display panel 100, and the display panel 100 may include a substrate 110, a driving circuit layer 130, a first polarizer 120, a pixel electrode layer 140, a liquid crystal layer 150, a common electrode layer 160, a color film layer, a black matrix layer 170, and a second polarizer 180. The driving circuit layer 130 is formed on the substrate 110; the pixel electrode layer 140 is formed on a side of the driving circuit layer 130 away from the substrate 110; the liquid crystal layer 150 is formed on one side of the pixel electrode layer 140 away from the driving circuit layer 130; the common electrode layer 160 is disposed on a side of the liquid crystal layer 150 away from the pixel electrode layer 140; the color film layer is arranged on one side of the common electrode layer 160 far away from the liquid crystal layer 150; the black matrix layer 170 is arranged on one side of the color film layer far away from the common electrode layer 160 and is used for dividing pixel units; the first and

second polarizers

120 and 180 are respectively disposed at both sides of the liquid crystal layer 150.

In order to ensure the light entering the camera module 300 when the camera module 300 is in the photographing mode, the projection area of the transparent area 22 on the first polarizer 120 has an opening, the projection area of the transparent area 22 on the second polarizer 180 has an opening, and the opening on the first polarizer 120 and the opening on the second polarizer 180 enable the external light to enter the camera module 300.

The black matrix layer 170 is used to separate the pixel units, the black matrix is in an opaque state, and a light-transmitting opening is disposed on the black matrix layer 170, and is located in a projection area of the light-transmitting area 22 on the black matrix layer 170. The black matrix layer 170 may further have pixel openings disposed in a projection area of the pixel region 21 on the black matrix layer 170.

The liquid crystal layer 150 may include a liquid crystal cell having liquid crystal molecules therein, the liquid crystal molecules being capable of deflecting in an electric field formed by the pixel electrode and the common electrode. The liquid crystal cells of the first display area 10 and the second display area 20 may be the same liquid crystal cell, or the liquid crystal cells of the first display area 10 and the second display area 20 are different liquid crystal cells, that is, the liquid crystal cells of the second display area 20 are separately disposed, which is not specifically limited in this embodiment of the disclosure.

The driving circuit layer 130 includes a driving transistor, a source-drain conductive line, and a gate conductive line. The plurality of driving transistors are connected to form a pixel circuit through source-drain wires and gate wires and connected to the pixel electrodes. The pixel circuit layer in the projection area of the second display area 20 on the driving circuit layer 130 may be made of a transparent material, but in practical applications, the entire driving circuit layer 130 may be made of a transparent material for convenience of manufacturing.

It is understood that the driving circuit layer 130 may also be opaque, and the pixel circuits connected to the pixel electrodes in the second display area 20 may be located in the first display area 10, or in the area where the black matrix of the second display area 20 has no opening. That is, the transistors connected to the pixel electrodes of the second display region 20 and the source-drain wires and gate lines connected to the transistors may be disposed in the first display region 10. Or the transistor connected to the pixel electrode of the second display region 20 and the source-drain wires and gate lines connected to the transistor may be arranged in the black matrix opaque region of the second display region 20. Or the transistors connected to the pixel electrodes of the second display region 20 and the source-drain wires and gate lines connected to the transistors may be partially disposed in the first display region 10 and partially disposed in the black matrix opaque region of the second display region 20.

The pixel electrode corresponding to the second display region 20 may include a first pixel electrode and a second pixel electrode. The first pixel electrode is located in the pixel area 21, and the first pixel electrode is used for driving the liquid crystal corresponding to the pixel area 21 to rotate so as to display an image. The second pixel electrode is disposed in the transparent region 22 and is used for driving the liquid crystal corresponding to the transparent region 22 to rotate. Wherein, both the pixel electrode and the common electrode may be transparent electrodes.

The driving circuit layer 130 may include a transmissive driving circuit for driving the liquid crystal in the transmissive region 22 to deflect in response to a mode switching signal SC, which is used to control the switching of the second display region 20 to the photographing mode or the display mode. Since the transmissive region 22 includes two states of transmission and non-transmission in operation, the liquid crystal in the transmissive region 22 has two states of deflection, and the liquid crystal in the transmissive region 22 has the same state of deflection. The entire light-transmitting region 22 can be driven by one light-transmitting drive circuit. The light-transmissive drive circuit may be independent of the pixel circuit. The whole light-transmitting area 22 is driven to deflect the liquid crystal, so that the light-transmitting area 22 can be ensured to enter light simultaneously, and the influence of nonuniform light entering on the imaging quality of the camera module 300 is avoided. Of course, in practical applications, the light-transmitting area 22 may also be driven by a partition due to requirements such as compensation, and this is not specifically limited in the embodiment of the present disclosure.

Fig. 6 is a schematic diagram of a light-transmitting driving circuit according to an exemplary embodiment of the present disclosure, and as shown in fig. 6, the light-transmitting driving circuit may include a first transistor T1, a driving transistor DT, and an energy storage capacitor C1. A first terminal of the first transistor T1 is connected to the data signal Vdata, a second terminal of the first transistor T1 is connected to the control terminal of the driving transistor DT, and the control terminal of the first transistor T1 is connected to the mode switching signal SC. A first terminal of the driving transistor DT is connected to the first power signal VDD, and a second terminal of the driving transistor DT is connected to the second pixel electrode. The first end of the energy storage capacitor C1 is connected with a first power supply signal VDD, the second end of the energy storage capacitor C1 is connected with the control end of the driving transistor DT, and the common electrode is connected with a second power supply signal VSS. The first transistor T1 is turned on in response to the mode switching signal SC to transmit the data signal Vdata to the control terminal of the driving transistor DT and write the data signal Vdata into the energy storage capacitor C1, the driving transistor DT is turned on in response to the data signal Vdata in the energy storage capacitor C1 to transmit the first power signal VDD to the pixel electrode, and the second power signal VSS of the common electrode form an electric field to drive the liquid crystal to deflect.

Since the liquid crystal in the transparent region 22 has two states, the data signal Vdata may also include two level signals, and the transparent driving circuit inputs a data signal Vdata to make the liquid crystal in the transparent region 22 deflect to the opaque state in the display mode, and inputs another data signal Vdata to make the liquid crystal in the transparent region 22 deflect to the transparent state in the photographing mode.

Fig. 7 is a schematic block diagram of a backlight driving circuit according to an exemplary embodiment of the disclosure, as shown in fig. 7, the backlight driving circuit 600 is connected to the first backlight 400, and the backlight driving circuit 600 drives the first backlight 400 to emit light in a display mode and drives the first backlight 400 to be turned off in a shooting mode. The backlight driving circuit 600 may be the driving circuit layer 130 disposed on the display panel 100, or may be disposed on a main board of the terminal device, which is not specifically limited in this disclosure.

The backlight driving circuit 600 may include a second transistor, a first terminal of the second transistor is connected to the backlight source, a second terminal of the second transistor is connected to the first backlight 400, a control terminal of the second transistor is connected to the backlight control signal, and the second transistor is turned on in response to the backlight control signal to transmit the backlight source signal to the first backlight 400.

When the display module is in the display mode, the backlight control signal controls the second transistor to be turned on, the backlight power signal is transmitted to the first backlight 400 through the second transistor, and the first backlight 400 emits light; when the display module is in the photographing mode, the backlight control signal controls the second transistor to be turned off, and the first backlight 400 does not emit light.

It should be noted that, in the present exemplary embodiment, each transistor has a control terminal, a first terminal, and a second terminal. Specifically, the control terminal of each transistor may be a gate, the first terminal may be a source, and the second terminal may be a drain; alternatively, the control terminal of each transistor may be a gate, the first terminal may be a drain, and the second terminal may be a source. Each transistor may be an N-type thin film transistor in which a driving voltage of each transistor is a high level voltage, or each transistor may be a P-type thin film transistor in which a driving voltage of each transistor is a low level voltage. The light transmission driving circuit provided in the present disclosure may also be replaced with a CMOS (Complementary Metal Oxide Semiconductor) circuit, etc., and is not limited to the light transmission driving circuit provided in the present embodiment, and is not described herein again. Further, each transistor may be an enhancement transistor or a depletion transistor, which is not particularly limited in this exemplary embodiment.

Because the first mounting hole has a small inner space and needs to be provided with components such as a camera, the first backlight source 400 provided by the embodiment of the disclosure can be a Mini LED (Mini light emitting diode), the first backlight source 400 can include at least one Mini LED lamp bead, the Mini LED lamp bead can be arranged on one side of the camera module 300 close to the display panel 100, and the camera module 300 is surrounded by the Mini LED lamp beads. Certainly, in practical applications, the first backlight 400 provided in the embodiment of the disclosure may also include light emitting elements such as micro LEDs, and the embodiment of the disclosure is not limited thereto.

It should be noted that the Mini LED and the micro LED described in the embodiments of the present disclosure can be placed in the first mounting hole, and do not affect the normal display and shooting of the display panel. The Mini LED is a sub-millimeter light emitting element, and generally, the size of the Mini LED is 100 micrometers to 200 micrometers, and the size of the micro LED is less than 100 micrometers.

The middle frame 500 of the terminal device may be provided with a protrusion 510, and the protrusion 510 may protrude into the first mounting hole. The protrusion 510 may have a hollow cylindrical shape, and both ends of the hollow cylindrical shape are open. The camera module 300 extends into the hollow pillar structure from an end of the hollow pillar structure away from the display panel 100. A plurality of Mini LED lamp beads are disposed at one end of the hollow column structure close to the display panel 100. The hollow column may be a cylinder or a prism, which is not specifically limited in this embodiment of the disclosure. The Mini LED lamp beads can be connected to the middle frame 500 through glue connection and other modes.

The protrusion 510 may be provided with a connection portion for connecting the camera module 300, for example, a connection block or the like may be provided on the protrusion 510. Or the camera module 300 can be connected to the main board of the terminal device, and when the camera module 300 is assembled, the camera module 300 extends into the protrusion 510 of the middle frame 500.

The backlight of the second display area 20 is integrated on the terminal equipment middle frame 500, so that the display at the front camera hole of the terminal equipment is realized, the camera black spot existing in the display of the hole digging screen is eliminated, the full-screen display is favorably realized, and the first backlight source 400 is arranged on the middle frame 500 and is convenient to manufacture.

The backlight assembly 200 is provided with a first mounting hole to which the backlight provided by the backlight assembly 200 may be diffused. In order to ensure that the backlight of the backlight module 200 does not interfere with the light entering of the camera module 300 in the photographing mode, a light shielding layer is disposed on the sidewall of the first mounting hole of the backlight module 200. The light shielding layer is fully distributed on the side wall of the first mounting hole.

In an example, the protruding portion 510 of the middle frame 500 may be connected to the first mounting hole of the display module through a connection adhesive, and in practical applications, the connection adhesive may be an opaque connection adhesive, and at this time, the connection adhesive may serve as a connection function and may also serve as a light shielding layer.

It is understood that the first backlight source 400 may also be disposed on a sidewall of the first mounting hole and surround the first mounting hole. For example, the first backlight source 400 may be attached to a sidewall of the first mounting hole, and a connection line between the first backlight source 400 and the backlight power source may also be attached to the sidewall of the first mounting hole. At this time, the backlight module 200 may include a first backlight module and a second backlight module, and the first through hole is disposed at a connection portion of the first backlight module and the second backlight module. The plurality of light bars in the first backlight source 400 may be respectively bonded to the first backlight module and the second backlight module, and then the first backlight module and the second backlight module are connected. Alternatively, the first backlight source 400 may be adhered to the display panel 100 at a position where the first mounting hole projects, and when the display panel 100 and the backlight module 200 are connected, the first backlight source 400 contacts with a sidewall of the first mounting hole.

The display assembly provided by the embodiment of the disclosure can comprise two working modes, namely a display mode and a photographing mode. In the display mode, the pixel area 21 displays a picture under the driving of the corresponding pixel circuit, the camera module 300 is located under the display panel 100, the first backlight source 400 provides backlight to the second display area 20, and the transparent driving circuit drives the liquid crystal in the transparent area 22, so that the transparent area 22 is opaque, and the transparent area 22 is prevented from being transparent to affect the display. In the photographing mode, the transparent driving circuit drives the liquid crystal in the transparent area 22 to make the transparent area 22 transparent, the pixel area 21 is driven by the corresponding pixel circuit to deflect the liquid crystal, the pixel area 21 displays black, that is, the pixel area 21 is opaque, so as to prevent the imaging of the camera module from being affected by the transparent pixel area, and at this time, the first backlight 400 is turned off.

It should be noted that the camera module 300 in the embodiment of the present disclosure is a front camera module of a terminal device, and the photographing mode is that the front camera module is in a photographing mode. Wherein, the module of making a video recording can include components and parts such as camera, support, adjusting device and optical lens piece. The camera adjusting device is connected with the support.

The utility model provides a display module sets up first mounting hole through second display area 20 projection position on backlight unit 200, installation camera module 300 has realized setting camera module 300 under display panel 100 in first mounting hole, through setting up first backlight 400 in first mounting hole for first display area 10 can normally show under the display mode, existing comprehensive screen demand that does benefit to and realizes terminal equipment does not influence terminal equipment's demonstration simultaneously.

The exemplary embodiment of the present disclosure further provides a terminal device, where the terminal device includes the above display component and camera module; the camera module is arranged in the first mounting hole, and external light can enter the camera module through the second display area.

The camera module comprises a camera, a first backlight source is arranged on one side, close to the display panel, of the camera, and the first backlight source surrounds the camera. When the display assembly includes a middle frame, the camera may be mounted to a boss of the middle frame. The camera module can also comprise components such as a bracket, an adjusting device, an optical lens and the like. The camera adjusting device is connected with the support.

Further, terminal equipment can also include devices such as mainboard, shell, touch module and cover plate glass, and the mainboard can be connected with center 500, and the touch module is located one side that display panel 100 kept away from backlight unit 200, and cover plate glass locates one side that the touch module kept away from display panel 100, and it is not repeated here because it is prior art this disclosed embodiment.

The terminal equipment provided by the embodiment of the disclosure can be mobile phones, tablet computers, electronic readers, navigators, vehicle-mounted computers and other terminal equipment. Through set up first mounting hole at backlight unit 200 last second display area 20 projection position, the installation is made a video recording module 300 in first mounting hole has realized setting the module 300 of making a video recording under display panel 100, through set up first backlight 400 in first mounting hole for first display area 10 can normally show under the display mode, and existing comprehensive screen demand that does benefit to realize terminal equipment does not influence terminal equipment's demonstration simultaneously.

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

Claims

1. A terminal device, characterized in that the terminal device comprises:

a display assembly, the display assembly comprising: the display panel comprises a first display area and a second display area; the display panel is arranged on the light emitting side of the backlight module, the backlight module is provided with a first mounting hole, the projection of the first mounting hole on the display panel is positioned in the second display area, and the first mounting hole is used for mounting the camera module; the first backlight source is arranged in the first mounting hole and used for providing backlight for the second display area;

the middle frame is provided with a protruding portion, the protruding portion extends into the first mounting hole, the protruding portion is used for mounting the camera module, a first through hole is formed in the protruding portion and used for enabling external light to enter the camera module, and the first backlight source is mounted on the protruding portion;

the mainboard is connected with the middle frame, the middle frame is the middle frame of the terminal equipment, and the terminal equipment is a mobile phone or a tablet computer.

2. The terminal device of claim 1, wherein the first backlight surrounds the first via.

3. The terminal device of claim 1, wherein the display component further comprises:

and the backlight source driving circuit is connected with the first backlight source, and drives the first backlight source to emit light in a display mode and drives the first backlight source to be turned off in a shooting mode.

4. The terminal device as claimed in claim 1, wherein a light shielding layer is disposed on a sidewall of the first mounting hole of the backlight module.

5. The terminal device of claim 1, wherein the second display area comprises:

a pixel region for setting a pixel unit;

and the light-transmitting area is arranged on the side part of the pixel area and is used for enabling external light to enter the first mounting hole.

6. The terminal device of claim 5, wherein the display panel comprises:

and through holes are formed in the polaroid and the projection area of the light transmission area.

7. The terminal device of claim 5, wherein the display panel comprises:

the drive circuit layer is arranged on one light emitting side of the backlight module and comprises a pixel circuit, and the pixel circuit and the light transmitting area are not overlapped.

8. The terminal device of claim 7, wherein the driver circuit layer comprises:

and the light transmission driving circuit is used for responding to a mode switching signal to drive the liquid crystal of the light transmission area to deflect, and the mode switching signal is used for controlling and switching the second display area into a photographing mode or a display mode.

9. The terminal device according to claim 7, wherein the pixel circuits of the pixels in the second display region are provided in the driver circuit layer corresponding to the first display region.

10. The terminal device of claim 5, wherein the display panel comprises:

the black matrix layer is provided with a through hole in a projection area of the light transmitting area.

11. The terminal device of claim 1, wherein a pixel density of the first display area is greater than a pixel density of the second display area.

12. The terminal device of any of claims 1-11, wherein the first backlight comprises a Mini LED.

13. The terminal device of claim 1, wherein the terminal device further comprises:

the camera module is arranged in the first mounting hole, and external light can enter the camera module through the second display area.