CN117636747A

CN117636747A - Display device and mobile terminal

Info

Publication number: CN117636747A
Application number: CN202311734212.8A
Authority: CN
Inventors: 杨俊�
Original assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Current assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date: 2023-12-14
Filing date: 2023-12-14
Publication date: 2024-03-01

Abstract

The application provides a display device and a mobile terminal, wherein the display device comprises a function additional area and a display area positioned at the periphery of the function additional area, the function additional area comprises a function area and a first transition area positioned between the display area and the function area, the display device comprises a display panel and a cover plate arranged on the display panel, the cover plate comprises a cover plate main body, a first groove is formed in the cover plate main body, and the first groove is positioned in the first transition area and surrounds the function area; the cover plate further comprises a shading layer, the shading layer is filled in the first groove, so that thickness differences of the cover plate at different positions in the functional additional area are avoided, and optical path differences of light passing through different positions of the cover plate are further prevented from being inconsistent, and optical imaging quality of camera light is guaranteed.

Description

Display device and mobile terminal

Technical Field

The application relates to the technical field of display, in particular to a display device and a mobile terminal.

Background

With the development of display technology, especially full-screen technology, manufacturers currently have various ways to increase the screen ratio, and it is a popular approach to open holes in the display area of the display device and to provide in-plane cameras (i.e., under-screen camera technology).

At present, an ink layer is usually arranged at the position of the cover plate relative to a non-display area of the display module, so that the effect of beautifying the appearance is achieved; when the cover plate and the ink layer are bonded by using the adhesive, the ink layer is arranged at the position of the cover plate relative to the non-display area of the display module, so that the thickness of the cover plate at different positions in the light transmission area is inconsistent due to the fact that the ink layer is arranged, the optical path difference of light entering the camera hole at different positions in the light transmission area is inconsistent, the optical path distortion of incident light entering the camera is caused, and the imaging effect of the camera is deteriorated.

Disclosure of Invention

The embodiment of the application provides a display device and a mobile terminal, which are used for relieving the defects in the related art.

In order to achieve the above functions, the technical solution provided in the embodiments of the present application is as follows:

the embodiment of the application provides a display device, which comprises a function adding area and a display area positioned at the periphery of the function adding area, wherein the function adding area comprises a function area and a first transition area positioned between the display area and the function area; the display device includes:

a display panel;

the cover plate is arranged on the display panel and comprises a cover plate main body, a first groove is formed in the cover plate main body, and the first groove is positioned in the first transition zone and surrounds the functional zone;

the cover plate further comprises a shading layer, and the shading layer is filled in the first groove.

Optionally, in an embodiment, the display device includes a bending portion and a non-bending portion adjacent to the bending portion;

the display panel is provided with a first through hole, the first through hole is arranged around the functional area, and the aperture of the first through hole is larger than the width of the functional area; wherein,

when the display device is in a first state, the first through hole and the functional area are coaxially arranged;

when the display device is in the second state, the central axis of the first through hole is parallel to and spaced from the central axis of the functional area.

Optionally, in an embodiment, the display device further includes a camera assembly, where the camera assembly is disposed corresponding to the functional area;

the functional area comprises an imaging area corresponding to the field angle of the camera assembly, and a second transition area between the imaging area and the first transition area;

when the display device is in the second state, one side of the display panel, which is close to the first through hole, is positioned at one side of the second transition region, which is far away from the imaging region.

Optionally, in an embodiment, the display device further includes a functional layer, where the functional layer is located on a side of the display panel away from the cover plate, and a second through hole is formed on the functional layer, and an aperture of the second through hole is equal to an aperture of the first through hole;

when the display device is in the first state, the second through hole is arranged around the functional area;

when the display device is in the second state, one side of the functional layer, which is close to the second through hole, is positioned in the functional additional area, and the central axis of the first through hole is positioned at one side of the central axis of the second through hole, which is far away from the central axis of the image pickup assembly.

Optionally, in an embodiment, when the display device is in the first state, the first through hole is coaxially disposed with the image capturing component;

when the display device is in the second state, a preset dislocation distance is arranged between the central axis of the first through hole and the central axis of the camera shooting assembly.

Optionally, in an embodiment, when the display device is in the second state, a central axis of the first through hole is offset from a central axis of the image capturing component by the preset offset distance along the first direction; the width of the second transition zone is larger than the preset dislocation distance.

Optionally, in an embodiment, the width of the second transition region is greater than or equal to 150 microns and less than or equal to 800 microns.

Optionally, in an embodiment, the light shielding layer includes a first light shielding portion, the first light shielding portion is filled in the first groove, and the first light shielding portion is in a ring structure;

when the display device is in the second state, the distances from the two side walls of the first shading part to the straight line where the central axis of the image pickup assembly is located are not equal in the first direction.

Optionally, in an embodiment, the display device further includes a non-display area, the non-display area is located on a side of the display area away from the function additional area, and the non-display area is disposed around the display area;

the cover plate main body is provided with a second groove which is positioned in the non-display area and surrounds the display area;

the light shielding layer comprises a second light shielding part, the second light shielding part is filled in the second groove, and the thickness of the second light shielding part is smaller than or equal to the depth of the second groove.

The embodiment of the application provides a mobile terminal, which comprises a terminal main body and any one of the display devices, wherein the terminal main body and the display devices are combined into a whole.

The beneficial effects of the embodiment of the application are that: the embodiment of the application provides a display device and a mobile terminal, wherein the display device comprises a function adding area and a display area positioned at the periphery of the function adding area, and the function adding area comprises a function area and a first transition area positioned between the display area and the function area; the display device comprises a display panel and a cover plate arranged on the display panel, wherein the cover plate comprises a cover plate main body, a first groove is formed in the cover plate main body, and the first groove is positioned in the first transition zone and surrounds the functional zone; the cover plate further comprises a shading layer, the shading layer is filled in the first groove, so that thickness difference of the cover plate at different positions in the functional additional area is avoided, and further, inconformity of optical path differences of light passing through different positions of the cover plate is prevented, and therefore optical imaging quality of the camera is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a conventional under-screen camera display device;

fig. 2 is a top view of a display device according to an embodiment of the present disclosure;

FIG. 3 is a first cross-sectional schematic view at A-A' of FIG. 2;

FIG. 4 is a schematic cross-sectional view of a cover plate according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of a conventional package structure;

FIG. 6 is a first cross-sectional top view of a cover plate provided in an embodiment of the present application;

FIG. 7 is a second cross-sectional schematic view at A-A' of FIG. 2.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Fig. 1 is a schematic structural diagram of a conventional under-screen camera display device.

In the conventional display device 10, the ink layer 13 is generally disposed around the light-transmitting area of the cover plate 11 opposite to the display module 12, so as to play a role in beautifying the appearance; when the cover plate 11 and the ink layer 13 are bonded by using the adhesive 14, the thickness of the ink layer 13 is a certain thickness, so that the thicknesses of the cover plates 11 at different positions in the light-transmitting area 100 are inconsistent, the optical path differences of the light entering the image pick-up hole 10A at different positions in the light-transmitting area 100 are inconsistent, so that the optical path distortion of the incident light entering the camera 15 is caused, and the imaging effect of the camera 15 is deteriorated; based on the above, the application provides a display device and a mobile terminal, which can solve the defect of the prior art.

The embodiment of the application provides a display device and a mobile terminal. The following will describe in detail. The following description of the embodiments is not intended to limit the preferred embodiments.

Please refer to fig. 2 and 3; fig. 2 is a top view of a display device according to an embodiment of the present application; FIG. 3 is a first schematic cross-sectional view at A-A' of FIG. 2.

The present embodiment provides a display device 20, the display device 20 including a bending portion 20A and a non-bending portion 20B adjacent to the bending portion 20A; in this embodiment, fig. 2 is a schematic cross-sectional view of the display device in a first state, where the first state of the display device is a flattened state, which illustrates a technical solution of the present application.

The display device 20 includes a display module 21 and a cover plate 22 disposed at one side of the display module 21 in the light emitting direction; the display module 21 includes a support film 211, a buffer layer 212, a back plate 213, a display panel 214, a polarizer 215, and a flexible substrate 216; the cover 22 is located on a side of the flexible substrate 216 remote from the display panel 214.

Specifically, the flexible substrate 216 is adhered to the polarizer 215 through a first adhesive layer 217, the buffer layer 212 and the supporting film layer 211 may be adhered through a second adhesive layer, wherein the material of the supporting film layer 211 includes, but is not limited to, stainless steel (SUS), the material of the flexible substrate 216 includes, but is not limited to, one of transparent polyimide (color and transparentPI, CPI) and polyethylene terephthalate (polyethylene terephthalate, PET) and Ultra-Thin Glass (UTG), and the display panel 214 may be an Organic Light-Emitting Diode (OLED) display panel 214, or may be a Light-Emitting Diode (LED) display panel 214, which is not particularly limited in this embodiment.

Further, in an embodiment, the display module 21 further includes a heat dissipation film layer, the heat dissipation film layer is located between the buffer layer 212 and the supporting film layer 211, and the material of the heat dissipation film layer includes, but is not limited to, foam rubber.

In an embodiment, the display device 20 includes a function adding area 2000 and a display area 1000 located at a periphery of the function adding area 2000, the function adding area 2000 includes a function area 2100 and a first transition area 2200 located between the display area 1000 and the function area 2100, and the first transition area 2200 is disposed around the function area 2100; the display device 20 includes an image pickup assembly 23, and the image pickup assembly 23 is disposed corresponding to the functional area 2100; wherein the camera assembly 23 includes, but is not limited to, a camera.

Please combine fig. 2 and fig. 4; fig. 4 is a schematic cross-sectional view of a cover plate according to an embodiment of the present disclosure; the cover 22 includes a cover main body 221, a first groove 221A is formed on the cover main body 221, and the first groove 221A is located in the first transition area 2200 and surrounds the functional area 2100; the cover 22 further includes a light shielding layer 222, and the light shielding layer 222 is filled in the first groove 221A; wherein the material of the light shielding layer 222 includes, but is not limited to, ink, preferably black ink.

It can be appreciated that, in this embodiment, the light shielding layer is disposed to fill in the first groove of the cover plate main body, and the thickness of the light shielding layer is less than or equal to the depth of the first groove, so as to avoid the influence of the thickness of the light shielding layer on the thickness of the cover plate main body, avoid the thickness difference of the cover plate main body at different positions of the functional additional area, and further prevent the light from passing through the differences of the optical path differences at different positions of the cover plate, thereby ensuring the optical imaging quality of the camera.

Specifically, please refer to fig. 1 and 4; in an embodiment, the cover main body 221 includes a first main body portion 2211 and a second main body portion 2212, the first main body portion 2211 is disposed in the first transition region 2200, and the second main body portion 2212 is disposed in the functional region 2100; wherein, a side of the first main body 2211 away from the display module 21 is flush with a side of the second main body 2212 away from the display module 21.

Further, the light shielding layer 222 includes a first light shielding portion 222A, the first light shielding portion 222A is filled in the first groove 221A, the first light shielding portion 222A has a ring structure, and a sum of a thickness of the first light shielding portion 222A and a thickness of the first body portion 2211 is less than or equal to a thickness of the second body portion 2212; preferably, the thickness of the first light shielding portion 222A is equal to the depth of the first groove 221A, the width of the first light shielding portion 222A is equal to the width of the first groove 221A, the depth d of the first groove 221A is greater than or equal to 1 micrometer and less than or equal to half the thickness of the cover main body 221, the width w of the first groove 221A is greater than or equal to 0.3 millimeter and less than or equal to 1 millimeter, and the sum of the thickness of the first light shielding portion 222A and the thickness of the first main body portion 2211 is equal to the thickness of the second main body portion 2212, so that the side of the first main body portion 2211 away from the display module 21 is flush with the side of the second main body portion 2212 away from the display module 21, the step difference generated on the cover main body 221 is reduced, the flatness of the cover main body 221 is improved, the difference of the optical path of light passing through different positions of the cover 22 in the functional additional area 2000 is further eliminated, and the under-screen camera imaging quality is improved.

It should be noted that, the thickness of the first light shielding portion 222A is equal to the depth of the first groove 221A, and the width of the light shielding layer 222 is equal to the width of the first groove 221A, and in another embodiment, the thickness of the light shielding layer 222 is smaller than the depth of the first groove 221A; specifically, the absolute value of the difference between the thickness of the light shielding layer 222 and the depth of the first groove 221A is less than or equal to 2 μm, and the thickness of the light shielding layer 222 is not particularly limited in this embodiment.

In an embodiment, the cover 22 further includes an adhesive layer 223, the adhesive layer 223 is disposed between the cover main body 221 and the display module 21, and the first groove 221A is located on a side of the cover main body 221 close to the adhesive layer 223; the adhesive layer 223 includes a first adhesive portion 2231 disposed in the first transition region 2200 and a second adhesive portion 2232 disposed in the functional additional region 2000, where a side of the first adhesive portion 2231 away from the cover main body 221 is flush with a side of the second adhesive portion 2232 away from the cover main body 221.

Further, the orthographic projection of the adhesive layer 223 on the light shielding layer 222 covers the light shielding layer 222, the cover main body 221 is adhered to the display module 21 through the adhesive layer 223, the adhesive layer 223 includes but is not limited to an optical adhesive, and the optical adhesive includes but is not limited to one of a solid optical adhesive and a liquid optical adhesive, when the optical adhesive is a solid optical adhesive, preferably the solid optical adhesive is an OCA optical adhesive.

Specifically, please refer to fig. 2, fig. 4 and fig. 5; FIG. 5 is a schematic structural diagram of a conventional package structure; it should be noted that, the conventional packaging structure 30 shown in fig. 5 may be used to package the under-screen camera display device; in the conventional packaging structure 30, the ink layer 13 is located between the cover plate 11 and the adhesive 14, and the orthographic projection of the adhesive 14 on the cover plate 11 covers the orthographic projection of the ink layer 13 on the cover plate 11, where the ink layer 13 has a certain thickness, so that the thicknesses of the adhesive 14 at different positions in the light-transmitting area 100 are inconsistent, and the optical path differences of the light entering the image-capturing hole at different positions in the light-transmitting area 100 are inconsistent, so that the optical path distortion of the incident light entering the camera is caused, and the imaging effect of the camera is deteriorated.

It can be appreciated that in this embodiment, the first light shielding portion 222A is disposed to fill the first groove 221A, and the thickness of the first light shielding portion 222A is less than or equal to the depth of the first groove 221A, and one side of the first adhesive portion 2231 away from the cover main body 221 is flush with one side of the second adhesive portion 2232 away from the cover main body 221, so as to avoid the thickness difference of the adhesive layer 223 at different positions in the function adding area 2000, and further eliminate the optical path difference of the light ray passing through different positions of the adhesive layer 223 in the function adding area 2000, thereby improving the imaging quality of the under-screen camera.

In an embodiment, the display device 20 further includes a non-display area 3000, the non-display area 3000 is located at a side of the 1000 display area away from the function additional area 2000, and the non-display area 3000 is disposed around the display area 1000; the cover main body 221 is provided with a second groove 221B, and the second groove 221B is located in the non-display area 3000 and surrounds the display area 1000; the light shielding layer 222 includes a second light shielding portion 222B, the second light shielding portion 222B is filled in the second groove 221B, and an absolute value of a difference between a thickness of the second light shielding portion 222B and a depth of the first groove 221A is less than or equal to 2 micrometers, and the thickness of the second light shielding portion 222B is not particularly limited in this embodiment.

It can be appreciated that in this embodiment, the second groove 221B is formed in the cover main body 221, and the second light shielding portion 222B is filled in the second groove 221B, so that the flatness of the cover main body 221 near the display panel 214 is effectively ensured, and the second light shielding portion 222B is filled in the second groove 221B, so that the thickness of the cover main body 221 relative to the display area 1000 is not increased, and when the cover main body 221 and the flexible substrate 216 are connected by the adhesive layer 223, the phenomenon that the flexible substrate 216 is separated due to the uneven thickness of the cover main body 221 can be avoided.

In one embodiment, please refer to fig. 2, 6 and 7; FIG. 6 is a first cross-sectional top view of a cover plate according to an embodiment of the present disclosure; FIG. 7 is a second cross-sectional schematic view at A-A' of FIG. 2.

It should be noted that in the prior art, an opening design is usually performed on the display panel, and the front camera is placed below the opening, so as to implement a photographing function of the display product. Because dislocation between film layers can occur in the folding process of the display product, the design of the front camera in the screen can cause the problems of interference between the camera and the screen, and the like; in this embodiment, the technical solution of the present application is illustrated by taking a top view of a cross section of a cover plate when the display device provided in the embodiment of the present application is in a first state, a schematic view of a cross section of the display device in a second state, and a bent state as an example in fig. 4.

In this embodiment, the display device 20 includes a bent portion 20A and a non-bent portion 20B adjacent to the bent portion 20A; the function adding area 2000 is located at the non-bending portion 20B; in this embodiment, the technical solution of the present application is illustrated by taking the first state of the display device 20 as the flattened state and the second state of the display device 20 as the bent state as an example.

The display panel 214 is provided with a first through hole 214A, the first through hole 214A is arranged around the functional area 2100, and the aperture of the first through hole 214A is larger than the width of the functional area 2100; wherein the first through hole 214A is coaxially disposed with the functional area 2100 when the display device 20 is in the first state; when the display device 20 is in the second state, the central axis L1 of the first through hole 214A is parallel to and spaced apart from the central axis L2 of the functional area 2100.

Specifically, the functional area 2100 includes an imaging area 2110 corresponding to the angle of view of the image pickup device 23, and a second transition area 2120 located between the imaging area 2110 and the first transition area 2200; wherein, when the display device 20 is in the second state, a side of the display panel 214 close to the first through hole 214A is located at a side of the second transition region 2120 away from the imaging region 2110; that is, the display panel 214 is not located within the imaging region 2110; further, when the display device 20 is in the second state, the distances from the two sidewalls of the first light shielding portion 222A to the straight line of the central axis L3 of the image capturing assembly 23 are not equal in the first direction X, so that the camera and the display panel 214 can be effectively prevented from interfering with each other.

It should be noted that, the display device of the present embodiment may be applied to an inner folding display device or an outer folding display device, where the difference between the inner folding display device and the outer folding display device is that the displacement direction of the multi-film structure is opposite; specifically, in the internal folding display device, the moving direction of the multi-film structure in the display device is the direction that the bending part points to the non-bending part; in the external folding display device, the moving direction of the multi-film structure in the display device is the direction that the non-bending part points to the bending part.

In this embodiment, the display device is an internal folding display device, the moving direction of the multi-film structure in the display device 20 is a first direction X, and the first direction X is a direction in which the moving direction of the multi-film structure in the display device is a direction in which the bending portion points to the non-bending portion.

In an embodiment, the display device 20 further includes a functional layer 210, the functional layer 210 is located on a side of the display panel 214 away from the cover 22, a second through hole 210A is formed in the functional layer 210, and the aperture of the second through hole 210A is equal to the aperture of the first through hole 214A; the functional layer 210 may be any one of the back plate 213, the buffer layer 212, and the supporting film 211, and in this embodiment, the technical solution of the present application is illustrated by taking the functional layer 210 as the back plate 213 as an example.

In the present embodiment, when the display device 20 is in the first state, the second through hole 210A is disposed around the functional area 2100; when the display device 20 is in the second state, a side of the functional layer 210 close to the second through hole 210A is located in the function adding area 2000, and the central axis L1 of the first through hole 214A is located at a side of the central axis L2 of the second through hole 210A away from the central axis L3 of the image capturing component 23; specifically, when the display device 20 is in the first state, the first through hole 214A, the second through hole 210A, and the image pickup assembly 23 are coaxially disposed; when the display device 20 is in the second state, a preset offset distance w is provided between the central axis L1 of the first through hole 214A and the central axis L3 of the image capturing assembly 23; specifically, the central axis L1 of the first through hole 214A is offset from the central axis L3 of the image capturing assembly 23 along the first direction X by the preset misalignment distance w; the width of the second transition region 2120 is greater than the preset dislocation distance w; the width of the second transition region 2120 is greater than or equal to 150 microns and less than or equal to 800 microns; the porous structure is provided with a first aperture and a second aperture, and the first aperture is different from the second aperture; the cameras are nested in the hole-shaped structures.

The orthographic projection of the side of the functional layer 210, which is close to the second through hole 210A, on the light shielding layer 222 is located in the light shielding layer 222, so that when the display device 20 is in the second state, the functional layers are prevented from misplacement and movement to cause shielding to the image capturing assembly 23, and further the imaging effect of the image capturing assembly 23 and the stability of the display device 20 are improved.

The display device 20 includes a camera hole 20C, where the camera hole 20C is disposed corresponding to the functional area 2100, and the camera hole 20C sequentially passes through the first adhesive layer 217, the polarizer 215, the display panel 214, the back plate 213, the buffer layer 212, and the supporting film layer 211; wherein the image capturing hole 20C includes the first through hole 214A and the second through hole 210A.

It should be noted that, because the bending radii of the film layers in the display module 21 and the materials of the film layers are different, when the display device 20 is bent from the flattened state to the folded state, the film layers of the display module 21 generate dislocation amounts, that is, negative dislocation, at the position of the image capturing hole 20C, and there may be a difference between the generated dislocation amounts, in this embodiment, the technical means of the present application is illustrated by taking a preset dislocation distance w between the central axis L1 of the first through hole 214A and the central axis L3 of the image capturing assembly 23 as an example; the preset dislocation distance is selected according to actual production conditions, and the embodiment is not limited to specific limitation.

In an embodiment, the functional area 2100 is a hole-shaped structure, and when the display device 20 is in the first state, the cross-section of the hole-shaped structure may be in a symmetrical shape such as a circle or a rectangle; when the display device 20 is in the second state, the hole-like structure has a first aperture and a second aperture, the first aperture and the second aperture being different; specifically, the orthographic projection of the hole-shaped structure on the display device 20 is located in the second through hole 210A, and the orthographic projection of the hole-shaped structure on the display device 20 is located in the inner ring of the first light shielding portion 222A, so as to prevent interference between the camera and the functional layer 210, and between the camera and the first light shielding portion 222A.

Further, in an embodiment, in the first direction X, a distance between a side wall of the inner ring of the first light shielding portion 222A and a side of the functional layer 210 near the second through hole 210A is greater than the preset dislocation distance w, so that an edge of the functional layer 210 in the image capturing hole 20C is exposed when the displayable device 20 is bent, which affects the overall aesthetic appearance of the display device 20.

The present embodiment provides a mobile terminal, which includes a terminal body and the display device described in any one of the foregoing embodiments, where the terminal body and the display device are combined into a single body.

It will be appreciated that the display device has been described in detail in the above embodiments and will not be repeated here.

When the mobile terminal is specifically applied, the mobile terminal can be a display screen of a smart phone, a tablet personal computer, a notebook computer, a smart bracelet, a smart watch, smart glasses, a smart helmet, a desktop computer, a smart television or a digital camera and the like, and even can be applied to an electronic device with a flexible display screen.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The display device and the mobile terminal provided by the embodiments of the present application are described in detail, and specific examples are applied to illustrate the principles and the implementation of the present application, and the description of the above embodiments is only used to help understand the technical solution and the core idea of the present application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A display device comprising a function attachment area and a display area located at a periphery of the function attachment area, the function attachment area comprising a function area and a first transition area located between the display area and the function area; the display device includes:

a display panel;

2. The display device according to claim 1, wherein the display device includes a bent portion and a non-bent portion adjacent to the bent portion;

3. The display device according to claim 2, further comprising a camera assembly provided corresponding to the functional area;

4. A display device according to claim 3, further comprising a functional layer, wherein the functional layer is located on a side of the display panel away from the cover plate, and a second through hole is formed in the functional layer, and the aperture of the second through hole is equal to the aperture of the first through hole;

5. The display device according to claim 4, wherein the first through hole is disposed coaxially with the image pickup assembly when the display device is in the first state;

6. The display device according to claim 5, wherein when the display device is in the second state, a central axis of the first through hole is offset from a central axis of the image pickup assembly by the preset misalignment distance in the first direction; the width of the second transition zone is larger than the preset dislocation distance.

7. The display device of claim 6, wherein the width of the second transition region is greater than or equal to 150 microns and less than or equal to 800 microns.

8. A display device according to claim 3, wherein the light shielding layer includes a first light shielding portion filled in the first groove, the first light shielding portion having a ring-shaped structure;

9. The display device according to claim 8, further comprising a non-display area, wherein the non-display area is located on a side of the display area remote from the function attachment area, and wherein the non-display area is disposed around the display area;

10. A mobile terminal comprising a terminal body and a display device according to any one of claims 1-9, the terminal body being integral with the display device.