CN118011680A

CN118011680A - Display device and display module

Info

Publication number: CN118011680A
Application number: CN202410423264.1A
Authority: CN
Inventors: 王磊; 屈艳军; 王新权; 高文喜
Original assignee: Honor Device Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2024-04-09
Filing date: 2024-04-09
Publication date: 2024-05-10

Abstract

The application provides display equipment and a display module, which relate to the technical field of display and are used for weakening or eliminating stray light when a front camera module shoots so as to improve the shooting effect of the front camera module. The light blocking part is arranged on the inner peripheral wall of the light path avoiding hole. The light-transmitting cover plate is arranged on the display surface in a stacked mode, the light-transmitting cover plate is provided with a groove with an opening facing the light blocking part, and the groove surrounds the axis of the light path avoidance hole. The shading part is arranged in the groove.

Description

Display device and display module

Technical Field

The application relates to the technical field of display, in particular to display equipment and a display module.

Background

In order to reduce the size of the frame of the display module and improve the screen ratio of the display module, it is generally necessary to provide a light path avoiding hole on the display screen so as to provide a light path penetrating through the thickness direction of the display panel for the front camera module arranged on the non-display surface of the display module. For a display module with a backlight module, in order to avoid stray light generated by light rays of the backlight module irradiating into a front camera module, glue is dispensed on the inner wall surface of the light path avoidance hole to block the light rays.

However, when the front camera module is used, light rays outside the field of view are reflected when irradiated to the dispensing part, the reflected light rays are irradiated to the cover plate, and enter the front camera module through the reflection of the cover plate, so that stray light shot by the front camera module is caused, and the imaging quality of the front camera module is affected.

Disclosure of Invention

The application provides a display device and a display module, which are used for reducing or eliminating stray light when a front camera module shoots so as to improve shooting effect of the front camera module.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical scheme:

In a first aspect, the present application provides a display device, where the display device includes a display module, where the display module includes a display screen, a light blocking portion, a light transmitting cover plate, and a light blocking portion, where the display screen has a display surface and a non-display surface that are oppositely disposed, and the display screen is provided with a light path avoidance hole penetrating the display surface and the non-display surface. The light blocking part is arranged on the inner wall surface of the light path avoiding hole. The light-transmitting cover plate is arranged on the display surface in a stacked mode, a groove with an opening facing the light blocking part is formed in the light-transmitting cover plate, and the groove surrounds the axis of the light path avoidance hole. The shading part is arranged in the groove.

A groove is formed in the surface, facing the display screen, of the light-transmitting cover plate, and a shading part is arranged in the groove to increase the roughness of the light-transmitting cover plate. The rough surface of the transparent cover plate irradiated by the parallel light rays is reflected in all directions, and the incident light rays are parallel to each other, so that the normal directions of all points of the reflecting surface are not completely consistent, and the reflected light rays are irregularly reflected in different directions.

In this way, the light-transmitting cover plate is provided with the light shielding part, so that the intensity of the light reflected into the camera module through the light-transmitting cover plate and the light shielding part is weakened, particularly, the light is reflected by the light shielding part and dispersed in a plurality of directions, a part of the light cannot enter the camera module through the reflection of the light shielding part, and a small part of the light enters the camera module through the reflection of the light shielding part, so that the imaging influence of the light entering the camera module by irradiation is small, and particularly, on one hand, the reflected light entering the camera module is less, and the intensity of the light is weak and cannot influence the imaging; on the other hand, the irradiation direction of the reflected light irradiated into the camera module is not completely consistent, the reflected light cannot be converged, the light intensity is weaker, and the imaging cannot be influenced. To sum up, be provided with the shading portion in the printing opacity apron and can avoid light to get into the camera module after the reflection of upper and lower surface of printing opacity apron and cause the not good problem of formation of image, be favorable to improving the shooting performance of camera module, and then promote user's use experience.

In a possible implementation manner of the first aspect, the light blocking portion has a first surface facing the light-transmitting cover plate, the number of the grooves is plural, and openings of the plural grooves cover the first surface. Therefore, the roughness of the surface of the light-transmitting cover plate facing the display screen is larger, light rays are reflected to more directions through the light shielding parts after being irradiated to the light shielding parts, the light rays which can enter the camera module through the reflection of the light shielding parts are fewer, and the influence on imaging of the camera module is further reduced. The shading portion is covered completely by the shading portion, the shading portion can block light from irradiating to the first surface of the shading portion, the light irradiated to the shading portion is reflected to a plurality of directions through the shading portion, more light is prevented from irradiating into the camera module, the quality of images shot by the camera module is improved, and the use experience of a user is improved.

In a possible implementation manner of the first aspect, the display device further includes a camera module, the light incident surface of the camera module is opposite to the light path avoidance hole, and the plurality of grooves are disposed outside a field of view of the camera module. The shading portion sets up in the recess, and shading portion also all is located outside the visual field, so, the camera module is arranged in the effective light of formation of image can dodge in the hole entering camera module through the light path, avoids the camera module to be used for the effective light of formation of image to be sheltered from by shading portion.

In conclusion, the setting of shading portion both can reflect the stray light that reduces the imaging quality outside the camera module, can not shelter from the camera module still and be used for the effective light of formation of image all get into in the camera module, is favorable to improving the imaging quality of camera module.

In one possible implementation manner of the first aspect, the light-transmitting cover plate has a second surface facing away from the display screen, the groove is located on one side, close to the light path avoidance hole, of the first line, an edge, facing away from the light path avoidance hole, of the first surface has a first point, and the first line intersects with the second surface at a first intersection point through the first point. The camera module comprises a lens barrel, the lens barrel is provided with an opening facing the light path avoidance hole, the inner edge of the opening is provided with a second point, in the section of the display device along the first section, the first point and the second point are positioned on two sides of the axis of the light path avoidance hole, the first section passes through the axis of the light path avoidance hole and is perpendicular to the light-transmitting cover plate, the second line passes through the second point and the first intersection point, the first line and the second surface are provided with a first included angle, the second line and the second surface are provided with a second included angle, and the first included angle is equal to the second included angle.

Therefore, the position and the depth of one side of the groove, which is away from the light path avoiding hole, are limited, and the depth of the groove is below the first reference surface in the unfolding process, so that the structural strength of the light-transmitting cover plate cannot be greatly influenced by the depth of the groove. And, light only has less partial light entering the camera module after the reflection after shining to shading portion, and this partial light's intensity is weaker, and is less to the influence of camera module's imaging quality. In conclusion, the groove is located on one side, facing the light path avoidance hole, of the first reference surface, so that the structural strength of the light-transmitting cover plate can be guaranteed, and most of stray light can be reflected to the outside of the view field of the camera module.

In a possible implementation manner of the first aspect, the plurality of grooves includes a first groove having a first inner wall surface, and the edge of the field of view intersects the first line at a second intersection point, and the first inner wall surface passes through the second intersection point. Therefore, the first groove does not shade the maximum depth which can be set by the depth of the first groove under the effective light for imaging of the camera module, the area of the first inner wall surface is also provided with a larger area, the shading part is arranged on the first inner wall surface and reflects the stray light, so that the stray light is prevented from entering the camera module, the imaging quality of the camera module is improved, and the structural strength of the light-transmitting cover plate can be ensured.

In a possible implementation manner of the first aspect, the first reference line is parallel to the second surface, a third included angle is formed between the first straight line and the first reference line, the second reference line bisects the third included angle, the third reference line is located between the first straight line and the second reference line and passes through the second intersection point, and a normal line of the first inner wall surface is parallel to the third reference line. Light irradiates to the first internal wall surface and reflects out of the view field of the camera module through the first internal wall surface, stray light is prevented from entering the camera module, reflection of light rays by the shading part in the groove can be guaranteed while the depth of the groove is reduced, imaging quality of the camera module is improved, and structural strength of the light-transmitting cover plate can be guaranteed.

In a possible implementation manner of the first aspect, the first groove further has a second inner wall surface, where the second inner wall surface passes through the second intersection point, and/or an angle between the second inner wall surface and the first surface is greater than or equal to 45 degrees and less than or equal to 90 degrees. Therefore, the second inner wall surface does not shield the maximum depth that the depth of the first groove can be set under the effective light for imaging of the camera module, the area of the first inner wall surface can be provided with a larger area, the shading part is arranged on the first inner wall surface to reflect stray light, stray light is prevented from entering the camera module, the imaging quality of the camera module is improved, and the structural strength of the light-transmitting cover plate can be guaranteed.

In a possible implementation manner of the first aspect, the second inner wall surface is perpendicular to the first surface. Therefore, most of light rays can be reflected to the outside of the view field of the camera module by the inclined direction of the second inner wall surface, stray light is prevented from entering the camera module, and the imaging quality of the camera module is improved.

In a possible implementation manner of the first aspect, the plurality of grooves further includes a second groove, the second groove is located on a side of the first groove, which is close to the optical path dodging hole, the second groove has a third inner wall surface, and the third inner wall surface intersects with an edge of the field of view. The first grooves are completely covered towards the first surface on one side of the light path avoidance hole, the shading part is arranged in the second grooves, the roughness of the first surface is improved as much as possible, light irradiated onto the shading part is reflected to more directions, the intensity of the light capable of being irradiated into the camera module is greatly weakened, and the quality of the image shot by the camera module is improved.

In a possible implementation manner of the first aspect, the third inner wall surface is parallel to the first inner wall surface. Light irradiates to the third inner wall surface and is reflected out of the view field of the camera module through the third inner wall surface, stray light is prevented from entering the camera module, and imaging quality of the camera module is improved.

In a possible implementation manner of the first aspect, the second groove further includes a fourth inner wall surface, the fourth inner wall surface intersects with an edge of the field of view, and/or an angle between the fourth inner wall surface and the first surface is greater than or equal to 45 degrees and less than or equal to 90 degrees. Therefore, the light shielding part in the second groove can not shield effective light of the camera module for imaging, and can also be used for reflecting stray light, so that the stray light is prevented from entering the camera module, and the imaging quality of the camera module is improved.

In a possible implementation manner of the first aspect, the fourth inner wall surface is perpendicular to the first surface. Therefore, the second groove can be provided with the larger shading part to reflect stray light, so that the stray light is prevented from entering the camera module, the imaging quality of the camera module is improved, most of light can be reflected to the outside of the field of view of the camera module by the inclined direction of the fourth inner wall surface, and the imaging quality of the camera module is improved.

In a possible implementation manner of the first aspect, the number of the second grooves is a plurality, and the plurality of second grooves are connected in sequence. The plurality of second grooves being contiguous may be understood as no gaps exist between the plurality of second grooves, that is, the light blocking portion is not exposed from the gaps between the plurality of second grooves. Therefore, the problem of poor imaging of the camera module caused by reflection of stray light into the camera module after irradiation to the surface of the light blocking part is avoided.

In a possible implementation manner of the first aspect, the plurality of grooves further includes a third groove, and the third groove is located on a side of the first groove facing away from the optical path dodging hole. The third groove is provided with a fifth inner wall surface, the fifth inner wall surface is intersected with the first straight line, the fifth inner wall surface and the first surface are provided with a fourth included angle, the fourth included angle faces away from the light path avoidance hole, and the fourth included angle is larger than or equal to 45 degrees. When light irradiates to the fifth inner wall surface, reflected light reflected by the fifth inner wall surface is reflected back and forth between the grooves, the intensity of the light in the process of back and forth reflection is continuously weakened, the light reflected back and forth is finally reflected outside the view field of the camera module, stray light is prevented from entering the camera module, and further the shooting quality of the camera module is improved.

In a possible implementation manner of the first aspect, the third groove further includes a sixth inner wall surface, where the sixth inner wall surface passes through the first straight line, and/or an angle between the sixth inner wall surface and the first surface is greater than or equal to 45 degrees and less than or equal to 90 degrees. Therefore, the third groove can be provided with the larger shading part to reflect stray light, so that the stray light is prevented from entering the camera module, the imaging quality of the camera module is improved, and the structural strength of the light-transmitting cover plate can be ensured.

In a possible implementation manner of the first aspect, the number of third grooves is a plurality, and the plurality of third grooves are connected in sequence. The plurality of third grooves are connected with each other, which means that there is no gap between the plurality of third grooves, that is, the light blocking portion is not exposed from the gap between the plurality of third grooves. Therefore, the problem of poor imaging of the camera module caused by reflection of stray light into the camera module after irradiation to the surface of the light blocking part is avoided.

In a possible implementation manner of the first aspect, the first groove further has a first arcuate surface, the first arcuate surface is connected between the first inner wall surface and the second inner wall surface, and the first arcuate surface passes through an intersection of the first straight line and the first edge. Therefore, the sharp angle between the first inner wall surface and the second inner wall surface is replaced by the first arc surface, diffraction phenomenon of the shading part when light rays are emitted is avoided, reflection of the shading part on stray light is further improved, stray light is effectively prevented from entering the camera module, and shooting quality of the camera module is further improved.

In a possible implementation manner of the first aspect, the light blocking portion has a first surface connected to the light-transmitting cover plate, an opening of the groove covers the first surface, and an inner wall of the groove has a plurality of sub-grooves. In this way, the same effect of a plurality of grooves can be achieved through the uneven inner walls of the grooves, namely, the light which possibly generates stray light is scattered and reflected to a plurality of directions through the rough surface.

In a possible implementation manner of the first aspect, the light shielding portion is filled in a cavity of the groove. Therefore, the light shielding part can not only reflect the light outside the field of view, but also scatter and reflect part of the light in multiple directions, so that stray light can not enter the camera module, or the intensity of the stray light entering the camera module is weaker, and the imaging quality of the camera module can not be influenced. And the cavity of whole recess is filled to shading portion, can eliminate the influence that sets up the recess and lead to the fact to the structural strength of printing opacity apron, and after the shading portion was filled to the recess, printing opacity apron still is whole entity platy, does not have the fretwork part, has guaranteed the structural strength of printing opacity apron.

In a possible implementation manner of the first aspect, the light shielding portion covers an inner wall surface of the groove. The light shielding part is not completely filled in the groove, and the reflection effect of the light shielding part on light rays can be met as long as the inner wall of the groove is covered by the light shielding part. Thus, the amount of the light shielding part can be reduced, the manufacturing cost of the display module is reduced, and the reflection effect of the light shielding part is not affected.

In a possible implementation manner of the first aspect, the light shielding portion and the light blocking portion are an integral structural member. The light blocking part and the light shielding part can be completed in the same process, namely, the light shielding part is arranged in the groove at the same time of arranging the light blocking part. The light blocking part and the light shielding part can adopt a rubber material, and the rubber material is black, so that on one hand, the appearance aesthetic property of the display module assembly can be ensured, and the reflection effect of the light shielding part on light rays can be ensured. After the forming, the light shielding part and the light shielding part are integrated into a whole, the light shielding part is positioned at the opening of the groove, and the light shielding part can be prevented from falling off from the groove, so that the reliability of the connection between the light shielding part and the groove is improved.

In a second aspect, an embodiment of the present application provides a display module, where the display module includes a display screen, a light blocking portion, a light transmitting cover plate, and a light shielding portion, and has a display surface and a non-display surface that are oppositely disposed, and the display screen is provided with a light path avoidance hole penetrating through the display surface and the non-display surface. The light blocking part is arranged on the inner wall surface of the light path avoiding hole. The light-transmitting cover plate is arranged on the display surface in a stacked mode, and is provided with a groove with an opening facing the light blocking part. The shading part is arranged in the groove.

In a possible implementation manner of the second aspect, the light blocking portion has a first surface facing the light-transmitting cover plate, the number of the grooves is plural, and openings of the plural grooves cover the first surface.

The technical effects brought by the display module of the second aspect can be referred to the technical effects brought by the display module provided in the first aspect, and will not be described herein.

Drawings

Fig. 1 is a schematic structural diagram of a display device according to some embodiments of the present application;

FIG. 2 is a cross-sectional view of the display device of FIG. 1 taken along line A-A;

Fig. 3 is a schematic diagram of a display module according to some embodiments of the application;

Fig. 4 is a schematic structural diagram of the display screen of the display module shown in fig. 3 from the view angle F1;

fig. 5 is a cross-sectional view of a display module of the display device shown in fig. 1 at line B-B;

FIG. 6 is a schematic diagram illustrating a simulation of stray light generated by the camera module shown in FIG. 3;

FIG. 7 is a schematic view of a photo taken by the camera module of FIG. 3 with stray light;

Fig. 8 is a schematic structural diagram of a display module according to still other embodiments of the present application;

FIG. 9 is a schematic illustration of the reflection of light upon irradiation of a planar surface;

FIG. 10 is a schematic view of the reflection of light upon irradiation of a roughened surface;

FIG. 11 is a schematic view showing reflection of light when the light irradiates the light shielding portion;

FIG. 12 is a schematic view of the structure of the prism assembly of FIG. 8 in the area C;

FIG. 13 is a schematic view of a first groove of the grooves shown in FIG. 12;

FIG. 14 is a view angle simulation of light from the side of the groove facing the light path relief hole impinging on the groove;

FIG. 15 is another view angle simulation of light from the side of the groove facing the axis of the light path dodging hole impinging on the groove;

FIG. 16 is a schematic reflection diagram of light from the groove toward the light path escape hole side impinging on the first inner wall surface;

FIG. 17 is a schematic view of a third groove of the grooves shown in FIG. 12;

FIG. 18 is a view angle simulation of light from the side of the groove facing away from the light path relief hole impinging on the groove;

FIG.19 is a view angle simulation of light from the side of the groove facing away from the light path relief hole impinging on the groove;

FIG. 20 is another view angle simulation of light from the side of the groove facing away from the axis of the light path dodging hole impinging on the groove;

FIG. 21 is a schematic view of yet another configuration of the prism assembly of FIG. 8 at region C;

FIG. 22 is a schematic view of yet another configuration of the prism assembly of FIG. 8 at region C;

FIG. 23 is a schematic view of yet another configuration of the prism assembly of FIG. 8 at region C;

FIG. 24 is a schematic view of yet another configuration of the prism assembly of FIG. 8 at region C;

Fig. 25 is a schematic view of still another structure of the prism assembly of fig. 8 at region C.

Reference numerals:

100. A display device; 10. a display module; CC. A display area; DD. A non-display area;

11. A light-transmitting cover plate; 111. a groove; 1111. a first groove; 1111a, a first inner wall surface; 1111b a second inner wall surface; c3, a third reference line; c1, a first reference line; c2, a second reference line; 1111c, a first arcuate surface; 1112. a second groove; 1112a, a third inner wall surface; 1112b, fourth inner wall surface; 1113. a third groove; 1113a, fifth inner wall surface; 1113b, a sixth inner wall surface; 112. a second surface; 113. a third surface;

12. A display screen; 121a, a display surface; 121b, a non-display surface; 12a, an optical path avoiding hole; 121. a display panel; 122. a polaroid is arranged on the upper surface of the substrate; 123. a lower polarizer; 124. a backlight module; 13. a light blocking section; 131. a first surface; 131b, a second edge; 14. a light shielding section;

20. a housing; 21. a back cover; 22. a frame; 23. a middle plate; C. an inner accommodating space;

30. A camera module; 31. a lens group; 32. a photosensitive chip; l1, a first edge; l2, second edge; 33. an opening of the lens barrel; l11 is a first straight line; d1, a first intersection point; d2, a second intersection point; l12, a second straight line; α1, a first included angle; α2, a second angle; α3, a third angle; α4, fourth included angle.

Detailed Description

In the present application, the terms "exemplary" or "such as" and the like are used to denote examples, illustrations or descriptions. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

In the present disclosure, the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the description of the present application, the term "at least one" means one or more, and "a plurality" means two or more. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b, or c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or plural.

In the description of the present application, the term "and/or" refers to and encompasses any and all possible combinations of one or more of the associated listed items. The term "and/or" is an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, and may mean: a exists alone, A and B exist together, and B exists alone. In the present application, the character "/" generally indicates that the front and rear related objects are an or relationship.

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 for example, "connected" may be either detachably connected or non-detachably connected; may be directly connected or indirectly connected through an intermediate medium. Wherein, "fixedly connected" means that the relative positional relationship is unchanged after being connected with each other.

In the description of the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and for example, "connected" may be either detachably connected or non-detachably connected; may be directly connected or indirectly connected through an intermediate medium. References to orientation terms, such as "inner", "outer", etc., in this application are only with reference to the orientation of the drawings and thus are used for better, more clear description and understanding of the application, rather than to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken to be limiting of the application.

In the description of the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The application provides a display device. The display device comprises a display module to have a display function. The display module side is still equipped with the camera module, and display module side camera module is used for realizing the shooting function of display module front side image.

The display device may be a User Equipment (UE) or a terminal device (terminal), and the display device may be a tablet (portable android device, PAD), a notebook, a watch, a personal digital assistant (personal DIGITAL ASSISTANT, PDA), a handheld device with a wireless communication function, a computing device, a vehicle-mounted device, a wearable device, a Virtual Reality (VR) terminal device, an augmented reality (augmented reality, AR) terminal device, a wireless terminal in industrial control (industrial control), a wireless terminal in unmanned (SELF DRIVING), a wireless terminal in remote medical (remote medical), a wireless terminal in smart grid (SMART GRID), a wireless terminal in transportation security (transportation safety), a wireless terminal in smart city (SMART CITY), a wireless terminal in smart home (smart home), or a fixed terminal. The application is exemplified by a display device for a mobile phone.

Referring to fig. 1 and 2, fig. 1 is a perspective view of a display device 100 according to some embodiments of the present application, and fig. 2 is an exploded view of the display device 100 shown in fig. 1. The display apparatus 100 includes a display module 10, a housing 20, and a camera module 30.

It will be appreciated that fig. 1 and 2 schematically illustrate some components of the display device 100, the actual shape, actual size, actual location and actual configuration of which are not limited by fig. 1 and 2.

The display module 10 is used for displaying images, videos, etc. The display module 10 includes a light transmissive cover plate 11 and a display screen 12. The light-transmitting cover plate 11 is laminated with the display screen 12. The light-transmitting cover plate 11 is mainly used for protecting and preventing dust of the display screen 12. The material of the transparent cover plate 11 includes, but is not limited to, glass. The display 12 may be a flexible display or a rigid display.

The case 20 serves to protect the internal electronics of the display apparatus 100. The housing 20 includes a back cover 21 and a rim 22. The back cover 21 is located at one side of the display screen 12 far away from the transparent cover plate 11, and is stacked with the transparent cover plate 11 and the display screen 12. The frame 22 is located between the back cover 21 and the light-transmitting cover plate 11. And the frame 22 is fixed to the back cover 21. The light-transmitting cover plate 11, the back cover 21 and the frame 22 enclose an internal accommodating space of the display device 100. The internal accommodation space accommodates the display screen 12 therein.

For convenience of the following description, an XYZ coordinate system is established, and a lamination direction of the light-transmitting cover plate 11, the display screen 12, and the back cover 21 in the display device 100 (i.e., a thickness direction of the display device 100) is defined as a Z-axis direction. The plane in which the light-transmitting cover plate 11, the display screen 12, or the back cover 21 is located is an XY plane. Specifically, the width direction of the display device 100 is the X-axis direction, and the length direction of the display device 100 is the Y-axis direction. It is understood that the coordinate system setting of the display apparatus 100 may be flexibly set according to actual needs.

In some embodiments, with continued reference to fig. 2, the housing 20 further includes a middle plate 23. The middle plate 23 is fixed to the inner surface of the rim 22 for one revolution. For example, the middle plate 23 may be fixed to the rim 22 by welding. The middle plate 23 serves as a structural "skeleton" of the display device 100, and the camera module 30 may be fixed to and supported by the middle plate 23 by screwing, clamping, welding, or the like.

The camera module 30 is used for taking pictures/videos, and the camera module 30 is fixed in the internal accommodating cavity of the display device 100. The camera module 30 may be a periscope type camera module or a vertical type camera module.

With continued reference to fig. 2, in the embodiment shown in fig. 2, the camera module 30 is used as a front camera module, and the camera module 30 is fixed on the surface of the middle plate 23 facing the display module 10. The light incident surface of the camera module 30 faces the display module 10. The display module 10 includes a display area CC and a non-display area DD, and the display area CC is disposed around the non-display area DD. The camera module 30 may be disposed on a side of the display screen 12 facing away from the transparent cover plate 11 and opposite to the non-display area DD of the display module 10, which is beneficial to improving the screen duty ratio of the display module 10 and improving the display effect of the display device 100.

Specifically, referring to fig. 3, fig. 3 is a cross-sectional view of the display module 10 and the camera module 30 of the display device 100 shown in fig. 1 at line A-A. In order to improve the light transmittance of the non-display area DD, external light can enter the front camera module 30 through the non-display area DD, the shooting function of the camera module 30 is realized, and the display screen 12 is provided with the light path avoiding hole 12a. The light incident surface of the camera module 30 is disposed opposite to the light path avoiding hole 12a. Thus, the light of the scenery can pass through the light path avoiding hole 12a and enter the light entering surface of the camera module 30.

The camera module 30 includes a lens group 31, a driving motor (not shown in fig. 3) and a photosensitive chip 32, and the camera module 30 shown in fig. 3 is illustrated as a vertical camera module, and in other embodiments, the camera module 30 may be a periscope type camera module. It will be appreciated that fig. 3 schematically illustrates some components of the camera module 30, the actual shape, actual size, actual location and actual configuration of which are not limited by fig. 3.

The lens group 31 is for imaging a subject, and the lens group 31 includes a plurality of lenses 311, the optical axis of the lenses 311 extending in the Z-axis direction, and the plurality of lenses 311 being arranged at intervals in the optical axis direction. The lens group 31 includes at least one lens 311. When the lens group 31 includes a plurality of lenses 311, the plurality of lenses 311 are stacked in the optical axis direction. By designing the structural composition of the lens group 31 and the shape and size of each lens 311, a lens having different characteristics of standard, wide angle, tele, and the like can be obtained.

The side facing the object in the optical axis direction is referred to as "object side", and the side facing away from the object in the optical axis direction, that is, the side facing the photosensitive chip is referred to as "image side". The photosensitive chip 32 is located on the image side of the lens group 31, and the photosensitive chip 32 may also be referred to as an image sensor or a photosensitive element. The photosensitive chip 32 may be used to collect the light passing through the lens group 31 and convert the image information carried by the light into an electrical signal.

Referring to fig. 3 and fig. 4 together, fig. 4 is a schematic structural diagram of the display screen of the display module shown in fig. 3 from the view angle F1. When the display screen 12 has a backlight module, for example, when the display screen 12 is a Liquid Crystal Display (LCD) screen, in order to prevent light emitted by a display image of the display screen 12 from entering the camera module 30, the display screen 12 in this embodiment is further provided with a light blocking portion 13, where the light blocking portion 13 is annular, and the light blocking portion 13 is disposed on an inner wall surface of the light path avoidance hole 12a, and the light blocking portion 13 is coaxial with the light path avoidance hole 12 a. The light blocking part 13 is used for blocking light rays emitted by the display screen 12, so that the light rays emitted by the display screen 12 are prevented from entering the camera module 30, and further, the influence of the display screen 12 on the imaging quality of the camera module 30 is avoided.

In the above description, the reason why the light blocking portion 13 is required to be provided when the display 12 has the backlight unit will be described in detail, and the liquid crystal display will be described as an example. Referring to fig. 5, fig. 5 is a cross-sectional view of the display module 10 of the display device 100 shown in fig. 1 at line B-B. The display 12 includes a display panel 121 and a backlight module 124. It will be appreciated that fig. 5 and the accompanying drawings below only schematically illustrate some of the components included in the display module 10, and the actual shape, actual size, actual location and actual configuration of these components are not limited by fig. 3 and the accompanying drawings below.

The display panel 121 includes a display surface 121a and a non-display surface 121b opposite to each other. The display surface 121a faces the transparent cover 11, and the non-display surface 121b faces away from the transparent cover 11. The display surface 121a has a display interface for displaying images and videos, and when the display module 10 is in the use state, the display surface 121a of the display panel 121 faces the user to present the images or videos to the user.

Since the liquid crystal display panel cannot emit light, in the case where the display panel 121 is a liquid crystal display panel, the display device 100 needs to be provided with the backlight module 124, where the backlight module 124 is stacked on a side of the display panel 121 facing away from the transparent cover plate 11, and the backlight module 124 is used for providing a light source for the display panel 121. Thus, the light of the backlight module 124 is easily irradiated into the camera module 30, which affects the imaging of the camera module 30. The backlight module 124 may include a light source, a reflective sheet, a light guide plate, a diffusion sheet, and the like, which are stacked.

With continued reference to fig. 5, the display 12 further includes an upper polarizer 122 and a lower polarizer 123, wherein the upper polarizer 122 is attached to the light emitting side of the display panel 121, and the lower polarizer 123 is attached to the light entering side of the display panel 121. Wherein, the polarization direction of the upper polarizer 122 is perpendicular to the polarization direction of the lower polarizer 123. The polaroid is used for controlling the polarization direction of the light beam, namely, when natural light passes through the polaroid, light with the vibration direction perpendicular to the transmission axis of the polaroid is absorbed, and only polarized light with the vibration direction parallel to the transmission axis of the polaroid is remained in the transmitted light.

Each film layer in the display module 10 may be connected by an adhesive layer, specifically, an adhesive layer (not shown in fig. 3) is laminated between adjacent film layers, and the adhesive layer bonds each film layer into a whole, where the adhesive layer may be OCA (optically clear CLEAR ADHESIVE).

Ambient light outside the display device 100 enters and irradiates the camera module 30 through the light path avoidance hole 12a, and the camera module 30 converts the received ambient light into an electric signal from an optical signal to generate an image. The light blocking part 13 can block the light of the display screen 12 so as to prevent the light of the display screen 12 from entering the camera module 30 and prevent the light of the display screen 12 from affecting the imaging of the camera module 30, but part of ambient light can be reflected at the light blocking part 13 and the light-transmitting cover plate 11, the intensity of the light after multiple reflections is reduced to form stray light, the stray light enters the camera module 30 and can affect the optical imaging effect of the camera module 30, and the use experience of a user is reduced.

Referring to fig. 6 and fig. 7, fig. 6 is a schematic diagram illustrating a parasitic light formed by the camera module 30 shown in fig. 3; fig. 7 is a schematic diagram of the camera module 30 shown in fig. 3 with stray light. With the trend of larger and larger screen ratio, the diameter of the light path avoidance hole 12a is smaller and smaller, so that the aperture of the light blocking part 13 is closer and closer to the clear aperture of the camera module 30, and the clear aperture refers to the aperture size of an opening for receiving light when the camera module 30 images. The ambient light is more likely to enter the camera module 30 after being reflected by the light blocking part 13 and the light-transmitting cover plate 11, and the imaging effect of the camera module 30 is affected.

Note that, the "stray light" in the embodiment of the present application refers to a non-imaging light beam in the optical system, and the reflected light between the light blocking portion 13 and the light-transmitting cover plate 11, and the light of other non-imaging light beams falling on the image plane are collectively referred to as stray light. Stray light is detrimental to imaging and its direct effect is to create image noise, reducing the signal-to-noise ratio of the image and thus reducing the quality of the image.

In order to solve the above-mentioned problems, an embodiment of the present application provides a display module 10, please refer to fig. 8, fig. 8 is a schematic diagram of a display module 10 according to still another embodiment of the present application. The display module 10 is different from the display module 10 in that the display module 10 of the present embodiment further includes a light shielding portion 14 disposed in the light-transmitting cover 11. Specifically, the display module 10 includes a display screen 12, a light blocking portion 13, a light-transmitting cover plate 11, and a light shielding portion 14.

The display panel 12 has a display surface and a non-display surface which are disposed opposite to each other, the display panel 12 is provided with an optical path avoiding hole 12a penetrating the display surface and the non-display surface, and the light blocking portion 13 is provided on an inner wall surface of the optical path avoiding hole 12 a. The transparent cover plate 11 is stacked on the display surface, and the transparent cover plate 11 is provided with a second surface 112 and a third surface 113 which are opposite, wherein the third surface 113 is stacked on the display surface. The light-transmitting cover plate 11 is provided with a groove which is opened towards the light-blocking part 13, namely, the groove is formed by recessing the third surface 113 towards the second surface 112, the groove is arranged around the axis of the light path avoidance hole 12a, and the light-blocking part 14 is arranged in the groove.

Referring to fig. 9, fig. 9 is a schematic diagram illustrating reflection of light when the light irradiates the flat surface. The parallel light irradiates on the smooth and flat surface, and the parallel light is reflected by the smooth and flat surface and then is emitted in parallel along the same direction, so that the light is reflected in a concentrated way to the same direction. That is, when a beam of parallel light irradiates the smooth and flat transparent cover plate 11, the transparent cover plate 11 reflects the light in the same direction, and the light enters the camera module 30 after one or more times of radiation, so as to cause stray light during shooting.

In comparison with the above-described smooth and flat light-transmitting cover plate 11, this embodiment of the present application provides the grooves 111 on the surface of the light-transmitting cover plate 11, and the light-shielding portions 14 are provided in the grooves to increase the roughness of the light-transmitting cover plate 11. Referring to fig. 10, fig. 10 is a schematic diagram showing reflection of light when the light irradiates the rough surface. The rough surface of the transparent cover plate 11 irradiated with the parallel light rays is reflected in various directions, and the incident light rays are not completely consistent with each other in the normal direction of each point of the reflecting surface, so that the reflected light rays are irregularly reflected in different directions.

Thus, referring to fig. 11, fig. 11 is a schematic view of reflection generated when light irradiates the light shielding portion 14, and fig. 11 is only a schematic view of reflection after light irradiates the light shielding portion 14 in one direction, and schematic views of light irradiates the light shielding portion 14 in other directions will be described in detail later. The light-transmitting cover plate 11 has a light shielding portion 14, so that the intensity of the light entering the camera module 30 after being reflected by the light-transmitting cover plate 11 and the light shielding portion 14 is weakened, specifically, the light is scattered in a plurality of directions after being reflected by the light shielding portion 14, a part of the light does not enter the camera module 30 after being reflected by the light shielding portion 14, and a small part of the light enters the camera module 30 after being reflected by the light shielding portion 14, so that the imaging effect of the camera module 30 is less due to the light entering the camera module 30 when being irradiated, and the imaging effect cannot be caused due to the fact that on one hand, the reflected light entering the camera module 30 is less and the intensity of the light is weaker; on the other hand, the directions of the reflected light entering the camera module 30 are not completely consistent, the reflected light cannot be converged, the light intensity is weak, and the imaging cannot be influenced. In sum, be provided with shading portion 14 in the printing opacity apron 11 can avoid light to get into camera module 30 after the reflection of the upper and lower surface of printing opacity apron 11 and cause the not good problem of formation of image, is favorable to improving camera module 30's shooting performance, and then promotes user's use experience.

The manner, shape and number of the grooves 111 will be described in detail.

With continued reference to fig. 11, the number of grooves 111 may be one, two, three, etc., and the number of grooves 111 is not particularly limited in the embodiment of the present application, and the number of grooves 111 is exemplified in the present embodiment and the following embodiments are not meant to be limiting in the embodiment of the present application, that is, the number of grooves 111 may be one in other embodiments. Even if only one groove 111 is provided, the light shielding portion 14 in the groove 111 can serve as a requirement for increasing the roughness of the light-transmitting cover plate 11.

The number of the grooves 111 is plural, and the light shielding portions 14 corresponding to the grooves are disposed in each groove 111, so that the roughness of the third surface 113 of the transparent cover plate 11 is larger, light rays are reflected to more directions through the light shielding portions 14 after being irradiated to the light shielding portions 14, the light rays which can enter the camera module 30 through the reflection of the light shielding portions 14 are fewer, and the influence on the imaging of the camera module 30 is further reduced.

When the number of the grooves 111 is plural, the openings of the plural grooves 111 overlap the light blocking portion 13, and in particular, the light blocking portion 13 has the first surface 131 that is in contact with the light transmissive cover plate 11, and the openings of the plural grooves 111 overlap the first surface 131. The term "overlapping" as used herein includes the first, orthogonal projection of the openings of the plurality of grooves 111 onto the display screen 12, coincident with the orthogonal projection of the first surface 131 onto the display screen 12; second, the front projection of the openings of the plurality of grooves 111 on the display screen 12 is located in the front projection of the first surface 131 on the display screen 12; third, the front projection of the first surface 131 on the display screen 12 is located in the front projection of the openings of the plurality of grooves 111 on the display screen 12; fourth, the front projection of the openings of the plurality of grooves 111 onto the display screen 12 overlaps with the portion of the front projection of the first surface 131 onto the display screen 12.

The present embodiment and the following embodiments will be described taking the case that the openings of the plurality of grooves 111 overlap the first surface 131 as an example, that is, the openings of the plurality of grooves 111 cover the first surface 131. In this way, the light blocking portion 13 is completely covered by the light blocking portion 14, the light blocking portion 14 can block the light from irradiating to the first surface 131 of the light blocking portion 13, the light irradiated to the light blocking portion 14 is reflected to multiple directions by the light blocking portion 14, so that more light is prevented from being irradiated into the camera module 30, the quality of the image shot by the camera module 30 is improved, and the use experience of a user is improved.

The light shielding portion 14 is required to avoid the influence of the light shielding portion 14 on the effective light for imaging the camera module 30 while reflecting the light in multiple directions, and therefore, the plurality of grooves 111 are disposed outside the field of view of the camera module 30, which represents the maximum range that can be observed by the camera module 30, and is usually expressed in terms of angle, that is, angle of view. The Field of View (FOV) is a term in optical and display systems that refers to the angle between two edges of the maximum range that an optical instrument or display can clearly image. The size of the angle of view determines the field of view of the optical instrument, and the larger the angle of view, the larger the field of view and the smaller the optical magnification. In an optical instrument, the angle of view usually takes a lens as a vertex, and an object image of a measured object can pass through an included angle formed by two edges of the maximum range of the lens.

With continued reference to fig. 8, in a cross section of the display apparatus 100 along a first cross section, the edge of the field of view has a first edge L1 and a second edge L2, wherein the first cross section passes through the axis of the optical path avoidance hole 12a and is perpendicular to the light-transmitting cover plate 11. Outside the field of view means that the first edge L1 is on the side facing away from the axis of the optical path dodging hole 12a, and the second edge L2 is on the side facing away from the axis of the optical path dodging hole 12 a. That is, the plurality of grooves 111 are disposed outside the field of view, the light shielding portion 14 is disposed in the grooves 111, and the light shielding portion 14 is also disposed outside the field of view, so that the effective light for imaging by the camera module 30 can enter the camera module 30 through the light path avoiding hole 12a, and the effective light for imaging by the camera module 30 is prevented from being shielded by the light shielding portion 14.

In summary, the arrangement of the light shielding portion 14 can reflect stray light with reduced imaging quality to the outside of the camera module 30, and can ensure that effective light for imaging of the camera module 30 enters the camera module 30, thereby being beneficial to improving the imaging quality of the camera module 30.

As is clear from the above, the position and depth of the groove 111 are defined in one direction, that is, the position and depth of the side of the groove 111 facing the optical path dodging hole 12a are defined. In some embodiments, the groove 111 further has a limitation of a position and a depth of a side facing away from the optical path dodging hole 12a, and since the groove 111 is disposed around an axis of the optical path dodging hole 12a, the groove 111 has a symmetrical structure, and this embodiment and the following description will take the groove 111 located on one side as an example, and take the groove 111 located on the left side as an example shown in fig. 8 as a description.

With continued reference to fig. 8, specifically, the first surface 131 has a first edge and a second edge 131b opposite to each other, the first edge is closer to the axis of the light path avoidance hole 12a than the second edge 131b, the light-transmitting cover 11 includes a second surface 112 and a third surface 113 opposite to each other, and the third surface 113 faces the display surface 121a. The groove 111 is located at a side of the first reference surface facing the light path avoidance hole 12a, and a cross section of the first reference surface along the first cross section is a first straight line L11, where the first straight line L11 passes through a first point D11 on the second edge 131b and intersects the second surface 112, and the first straight line L11 is compared with the second surface 112 at the first intersection point D1.

The camera module 30 includes a lens barrel 34, the lens barrel 34 has an opening 33, the opening 33 faces the light path avoidance hole 12a, and light for imaging of the camera module 30 enters the lens group 31 through the opening 33. The inner periphery of the opening 33 has a second point D22, and in a section of the display device 100 cut along the first cut surface, the first point D11 and the second point D22 are located on both sides of the axis of the optical path dodging hole 12 a. Compared with the first intersection point D1, the first intersection point D1 is located between the first straight line L11 and the first edge L1 of the field of view, the second straight line L12 passes through the second point D22 and the first intersection point D1, a first included angle α1 is formed between the first straight line L11 and the second surface 112, a second included angle α2 is formed between the second straight line L12 and the second surface 112, and the first included angle α1 is equal to the second included angle α2.

In this way, the position and the depth of the side of the groove 111 away from the light path avoidance hole 12a are limited, and in terms of expansion, the depth of the groove 111 is below the first reference plane, so that the depth of the groove 111 does not excessively affect the structural strength of the light-transmitting cover plate 11. Also, the blocking effect of the light shielding portion 14 on the light is not affected. In summary, the recess 111 is located at a side of the first reference surface facing the light path avoidance hole 12a, so that not only can structural strength of the light-transmitting cover plate 11 be ensured, but also the light shielding portion 14 located in the recess 111 can reflect most of stray light to outside of the field of view of the camera module 30.

Referring to fig. 12, fig. 12 is a schematic view of a region C of the prism assembly shown in fig. 8. On the basis of the above, the plurality of grooves 111 includes the first groove 1111, and the first groove 1111 is located at a middle region of the first surface 131. Specifically, the first groove 1111 has a first inner wall surface 1111a, and the first inner wall surface 1111a, the first straight line L11, and the edge of the field of view of the camera module intersect at the same point. In terms of expansion, the first straight line L11 intersects the edge of the field of view of the camera module at the second intersection point D2, and the top of the first inner wall 1111a intersects the second intersection point D2, where the top of the first inner wall 1111a may also be understood as the bottom wall of the deepest portion of the first groove 1111, and the first groove 1111 is also the groove with the largest groove depth among the plurality of grooves 111.

With continued reference to fig. 12, in some embodiments, the plurality of grooves 111 further includes a second groove 1112, where the second groove 1112 is located on a side of the first groove 1111 near the axis of the optical path dodging hole 12 a. The second groove 1112 may be disposed contiguous with the first groove 1111. The second grooves 1112 and the first grooves 1111 may be spaced apart from each other in the arrangement direction of the first grooves 1111 and the second grooves 1112. The first groove 1111 and the second groove 1112 are connected with each other, which means that there is no gap between the first groove 1111 and the second groove 1112, that is, the light blocking portion 13 is not exposed from the gap between the first groove 1111 and the second groove 1112. In this way, the problem of poor imaging of the camera module 30 caused by the fact that the stray light irradiates the surface of the light blocking part 13 and then is reflected into the camera module 30 is avoided.

The number of the second grooves 1112 may be multiple, the first grooves 1111 are completely covered by the second grooves 1112 towards the first surface 131 on the side of the light path avoidance hole 12a, the light shielding portion 14 is disposed in the second grooves 1112, the roughness of the first surface 131 is further improved, the light irradiated onto the light shielding portion 14 is reflected to more directions, the intensity of the light capable of being irradiated into the camera module 30 is greatly weakened, and the quality of the image shot by the camera module 30 is further improved.

It should be noted that, for the plurality of second grooves 1112 described above, the positions of the grooves 111 are determined, that is, the grooves 111 on the side of the first groove 1111 facing the light path dodging hole 12a are defined as the second grooves 1112, and the shapes and sizes of the plurality of second grooves 1112 may be identical, and the shapes and sizes of the plurality of second grooves 1112 may be different, regardless of the shapes and sizes of the second grooves 1112. In this embodiment, the shapes and sizes of the plurality of second grooves 1112 are different from each other, and specifically, the depths of the second grooves 1112 gradually decrease in the directions from the first grooves 1111 to the optical path dodging holes 12 a.

In some embodiments, the bottom wall of the second groove 1112 intersects the edge of the field of view of the camera module 30. In this way, the light shielding portion 14 in the second groove 1112 does not shield the effective light of the camera module 30 for imaging, the second groove 1112 does not shield the maximum depth that the depth of the second groove 1112 can be set under the effective light of the camera module 30 for imaging, the area of the inner wall of the second groove 1112 can also be set to be a larger area, the light shielding portion 14 is arranged on the inner wall surface of the second groove 1112 to reflect the stray light, so that the stray light is prevented from entering the camera module 30, and the imaging quality of the camera module 30 is improved.

With continued reference to fig. 12, the plurality of grooves 111 further includes a third groove 1113, and the third groove 1113 is located on a side of the first groove 1111 facing away from the axis of the optical path dodging hole 12 a. Third groove 1113 may be connected to first groove 1111, and third groove 1113 may be spaced from first groove 1111 in the arrangement direction of first groove 1111 and third groove 1113. In the present embodiment, the first recess 1111 is connected to the third recess 1113, and the first recess 1111 is connected to the third recess 1113, which means that there is no gap between the first recess 1111 and the third recess 1113, that is, the light blocking portion 13 is not exposed from the gap between the first recess 1111 and the third recess 1113. In this way, the problem of poor imaging of the camera module 30 caused by the fact that the stray light irradiates the surface of the light blocking part 13 and then is reflected into the camera module 30 is avoided.

The number of the third grooves 1113 may be multiple, the first grooves 1111 are covered by the plurality of third grooves 1113 completely with the first surface 131 facing away from the side of the light path avoidance hole 12a, the light shielding portion 14 is disposed in the third grooves 1113, the roughness of the first surface 131 is improved as much as possible, the light irradiated onto the light shielding portion 14 is reflected to more directions, the intensity of the light capable of being irradiated into the camera module 30 is greatly weakened, and the quality of the image shot by the camera module 30 is further improved.

It should be noted that, for the above-mentioned plurality of third grooves 1113, the positions of the grooves 111 are determined, that is, the grooves 111 on the side of the first groove 1111 facing away from the optical path dodging hole 12a are defined as the third grooves 1113, and the shapes and sizes of the plurality of third grooves 1113 may be identical, and the shapes and sizes of the plurality of third grooves 1113 may be different, regardless of the shapes and sizes of the third grooves 1113. In this embodiment, the shapes and sizes of the plurality of third grooves 1113 are different from each other, and specifically, the depth of the third grooves 1113 gradually decreases in the direction from the first groove 1111 to the optical path dodging hole 12 a.

In some embodiments, the bottom wall of third recess 1113 intersects first line L11. Therefore, the third groove 1113 meets the requirement of high-efficiency shielding of stray light, and the depth of the groove 111 has small influence on the structural strength of the transparent cover plate 11, so that stray light is prevented from entering the camera module 30, the imaging quality of the camera module 30 is improved, and the structural strength of the transparent cover plate 11 can be ensured.

The specific structure and shape of the first groove 1111, the second groove 1112, and the third groove 1113 will be described below.

In the cross section of the first cross section, the first groove 1111, the second groove 1112 and the third groove 1113 may be semicircular, oval, triangular, irregular, etc., and the present embodiment is described taking the first groove 1111, the second groove 1112 and the third groove 1113 as triangles.

With continued reference to fig. 12, the first groove 1111 has a first inner wall surface 1111a close to the axis of the optical path dodging hole 12 a. Referring to fig. 13, fig. 13 is a schematic structural diagram of a first groove 1111 of the grooves 111 shown in fig. 12. The normal F1 of the first inner wall surface is parallel to the third reference line C3. For the definition of the third reference line C3, the first reference line C1 is parallel to the second surface 112, that is, the first reference line C1 is parallel to the X-axis direction, a third included angle α3 is formed between the first line L11 and the first reference line C1, and the line segment forming the third included angle α is a line segment of the first line L11 located on the side of the second intersection point D2 near the light path avoidance hole 12a, and a line segment of the first reference line C1 located on the side of the second intersection point D2 near the light path avoidance hole 12a, respectively. The second reference line C2 passes through the second intersection point D2 and bisects the third included angle α3, and the third reference line C3 is located between the first line L11 and the second reference line C2.

In this way, when the light source from the outside of the field of view is located at the side of the groove 111 facing the light path avoidance hole 12a, the light shielding portion 14 in the first groove 1111 is also disposed along the extending direction of the first inner wall surface 1111a, and the light shielding portion 14 can block the light from the outside of the field of view, so as to prevent the light from being reflected into the camera module 30 when the light irradiates the first inner wall surface 1111 a.

For the development, referring to fig. 14 and 15, fig. 14 is a view simulation diagram showing that light from the groove 111 toward the side of the light path dodging hole 12a irradiates the first inner wall surface 1111 a; fig. 15 is another view angle simulation of the irradiation of the first inner wall surface 1111a with the light from the groove 111 toward the axis side of the optical path dodging hole 12 a. The light irradiates the first inner wall surface 1111a, and is reflected outside the field of view of the camera module 30 through the first inner wall surface 1111 a.

Referring to fig. 16, fig. 16 is a schematic reflection diagram of light from the groove 111 toward the side of the light path dodging hole 12a irradiating the first inner wall surface 1111 a. According to the reflection principle of the light, the incident light and the reflected light are symmetrical relative to the normal of the reflecting surface, namely the incident angle and the reflection angle of the light are equal. Taking the case that the normal line F1 of the first inner wall surface is parallel to the third reference line as an example, when the light beam parallel to the first line L11 irradiates the light shielding portion 14 in the first inner wall surface 1111a, since the third reference line C3 is an angular bisector of the third included angle α3, the reflected light of the light beam passing through the light shielding portion 14 is parallel to the first reference line C1, and thus the reflected light of the light beam does not enter the camera module 30. Since the normal line F1 of the first inner wall surface is located between the first straight line L11 and the second reference line C2, the light reflected by the light shielding portion 14 is located above the first reference line C1. Therefore, the normal line F1 of the first inner wall surface can more efficiently shield stray light from the side of the groove 111 toward the optical path dodging hole 12a when it is within the above range.

The light rays shown in fig. 16 are parallel to the first straight line L11 because the light source is a main light source causing a problem of image stray light, in particular, light rays located at the top of the head of the user when the user uses the display apparatus 100 for self-photographing, for example. The light source is used as an example of the light source, and the light source is used for illustrating the embodiment. The light source in the direction is also taken as an example in the light reflection simulation diagram appearing hereinafter, and the light source direction of the simulation diagram is not repeated.

Referring back to fig. 12, for the second groove 1112, the second groove 1112 has a third inner wall surface 1112a facing the optical path dodging hole 12a, the third inner wall surface 1112a being parallel to the first inner wall surface 1111a. In this way, when the source of the light from the outside of the field of view is located at one side of the groove 111 facing the light path avoidance hole 12a, the third inner wall surface 1112a can block the light from the outside of the field of view, so as to avoid the light reflected into the camera module 30 when the light irradiates the third inner wall surface 1112a, please refer to fig. 14 and 15 together, the light irradiates the third inner wall surface 1112a, reflects the outside of the field of view of the camera module 30 through the third inner wall surface 1112a, and the principle of the reflection of the light by the first inner wall surface 1111a is the same as that of the light by the third inner wall surface 1112a, and the light reflected by the light shielding portion 14 at the third inner wall surface 1112a is above the first reference line C1. Therefore, the third inner wall surface 1112a is provided to more effectively shield stray light from the side of the groove 111 facing the optical path avoiding hole 12 a.

For the third recess 1113, please refer to fig. 17, fig. 17 is a schematic diagram of the structure of the third recess 1113 in the recess 111 shown in fig. 12. The third recess 1113 has a fifth inner wall surface 1113a, where the fifth inner wall surface 1113a intersects the first edge L1, and an angle between the fifth inner wall surface 1113a and the first surface 131 on a side opposite to the axis of the path avoidance hole 12a is greater than 45 degrees, that is, a fourth angle α4 in fig. 17. Referring to fig. 18, 19 and 20, fig. 18 is a view simulation diagram of a side of the groove 111 away from the light path dodging hole 12a irradiated onto the groove 111; FIG. 19 is a view angle simulation of light from the side of the groove 111 facing away from the light path dodging hole 12a impinging on the groove 111; fig. 20 is another view angle simulation of light from the side of the groove 111 facing away from the axis of the optical path dodging hole 12a impinging on the groove 111. When the light irradiates the fifth inner wall surface 1113a, the reflected light reflected by the fifth inner wall surface 1113a will be reflected back and forth between the grooves 111, the intensity of the light passing through the back and forth reflection process is continuously reduced, and the light reflected back and forth is finally reflected outside the field of view of the camera module 30, so as to prevent stray light from entering the camera module 30, and further improve the shooting quality of the camera module 30.

In some embodiments, referring back to fig. 12, the first groove 1111 further has a second inner wall 1111b, the first inner wall 1111a and the second inner wall 1111b intersect at a second intersection point D2, and an angle between the second inner wall 1111b and the first surface 131 is greater than or equal to 45 degrees and less than or equal to 90 degrees. In some embodiments, the second inner wall surface 1111b is perpendicular to the first surface 131.

In some embodiments, the second groove 1112 further includes a fourth inner wall surface 1112b, the fourth inner wall surface 1112b intersects an edge of the field of view of the camera module 30, and an angle between the fourth inner wall surface 1112b and the first surface 131 is greater than or equal to 45 degrees and less than or equal to 90 degrees. In some embodiments, fourth inner wall surface 1112b is perpendicular to first surface 131.

In some embodiments, third groove 1113 further comprises a sixth inner wall surface 1113b, sixth inner wall surface 1113b intersecting first line L11, sixth inner wall surface 1113b having an angle with first surface 131 of greater than or equal to 45 degrees and less than or equal to 90 degrees. In some embodiments, sixth inner wall surface 1113b is perpendicular to first surface 131.

In summary, referring to fig. 18, 19 and 20, as a result, the second inner wall 1111b, the fourth inner wall 1112b and the sixth inner wall 1113b block the light from the side away from the light path avoidance hole 12a, and when the light irradiates to the second inner wall 1111b, the fourth inner wall 1112b and the sixth inner wall 1113b, the light is reflected to the direction away from the side away from the light path avoidance hole 12a, so that stray light is prevented from entering the camera module 30, and further the shooting quality of the camera module 30 is improved.

Referring to fig. 21, fig. 21 is a schematic view of a region C of the prism assembly shown in fig. 8. In this embodiment, the second inner wall surface 1111b is not perpendicular to the first surface 131, the fourth inner wall surface 1112b may be not perpendicular to the first surface 131, and the sixth inner wall surface 1113b may be not perpendicular to the first surface 131. In this embodiment, the second inner wall surface 1111b, the fourth inner wall surface 1112b, and the sixth inner wall surface 1113b may have a function of scattering and reflecting light in a plurality of directions, and may have a function of reducing stray light.

Referring to fig. 22, fig. 22 is a schematic view of a further structure of the prism assembly shown in fig. 8 at region C. In other embodiments, the grooves 111 may be a plurality of grooves 111 with the same shape, so as to facilitate the processing of the transparent cover plate 11.

Referring to fig. 23, fig. 23 is a schematic view of a further structure of the prism assembly shown in fig. 8 at region C. In some embodiments, to avoid diffraction of the light shielding portion 14 at sharp corners, the first groove 1111 further has a first arc-shaped surface 1111c, the first arc-shaped surface 1111c is connected between the first inner wall surface 1111a and the second inner wall surface 1111b, and in some embodiments, the first arc-shaped surface 1111c passes through the second intersection point D2. In this way, the first arc-shaped surface 1111c replaces the sharp corner between the first inner wall surface 1111a and the second inner wall surface 1111b, so as to avoid diffraction phenomenon of the light shielding portion 14 when light is emitted, further improve the reflection effect of the light shielding portion 14 on stray light, effectively avoid stray light from entering the camera module 30, and further improve the shooting quality of the camera module 30.

Similarly, in other embodiments, the second groove 1112 also has a second curved surface, and the second curved surface is connected between the third inner wall surface 1112a and the fourth inner wall surface 1112b, so that diffraction of the light shielding portion 14 in the second groove 1112 during reflection of light is avoided. Similarly, in other embodiments, the third recess 1113 also has a third curved surface, and the third curved surface is connected between the fifth inner wall 1113a and the sixth inner wall 1113b, so that diffraction of the light shielding portion 14 in the third recess 1113 during reflection of light is avoided.

The above embodiments are described by taking the number of the grooves 111 as a plurality of examples, and the design concept of the embodiment of the present application aims to replace a flat and smooth surface with a rough surface, so as to scatter and reflect the light which is easy to generate stray light to various directions, and prevent the stray light from entering the camera module 30. Referring to fig. 24, fig. 24 is a schematic view of a further structure of the prism assembly shown in fig. 8 at region C. In other embodiments, only one groove 111 may be provided, the opening of the groove 111 covers the first surface 131, and the groove 111 has a plurality of sub-grooves 1111d therein, that is, the inner wall of the groove 111 is a rugged surface. In this way, the same effect as that of the plurality of grooves 111 can be achieved by the uneven inner walls of the grooves 111, that is, light which may generate stray light is scattered and reflected in a plurality of directions by the rough surface.

In some embodiments, the light shielding portion 14 fills the cavity of the recess 111, so that the light shielding portion 14 can not only satisfy the light outside the reflection field of view, but also scatter and reflect the part of the light in multiple directions, so that the stray light does not enter the camera module 30 or the intensity of the stray light entering the camera module 30 is weaker, and the imaging quality of the camera module 30 is not affected. And, the cavity of whole recess 111 is filled to shading portion 14, can eliminate the influence that sets up recess 111 and lead to the fact to the structural strength of printing opacity apron 11, and after the shading portion 14 is filled to recess 111, printing opacity apron 11 is whole entity platy still, does not have the fretwork part, has guaranteed the structural strength of printing opacity apron 11.

In other embodiments, referring to fig. 25, fig. 25 is a schematic view of a further structure of the prism assembly shown in fig. 8 at region C. In contrast to the above embodiment, the light shielding portion 14 of the present embodiment does not completely fill the groove 111, and the reflection of the light by the light shielding portion 14 can be satisfied as long as the inner wall of the groove 111 is covered by the light shielding portion 14. Thus, the amount of the light shielding portion 14 can be reduced, the manufacturing cost of the display module 10 can be reduced, and the reflection effect of the light shielding portion 14 is not affected.

In some embodiments, during the actual processing of the display module 10, the light blocking portion 13 and the light shielding portion 14 may be completed in the same process, that is, the light blocking portion 13 is disposed and the light shielding portion 14 is disposed into the groove 111. The light blocking part 13 and the light blocking part 14 can be made of a rubber material, and the rubber material is black, so that on one hand, the appearance aesthetic property of the display module 10 can be ensured, and the reflection effect of the light blocking part 14 on light can be ensured. After molding, the light shielding part 14 and the light shielding part 13 are integrated, the light shielding part 13 is positioned at the opening of the groove 111, and the light shielding part 14 can be prevented from falling off from the groove 111, so that the reliability of the connection between the light shielding part 14 and the groove 111 is improved.

In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the embodiments of the present application, and are not limited thereto; although embodiments of the present application have been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art 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 and scope of the technical solutions of the embodiments of the present application.

Claims

1. A display device, comprising a display module, the display module comprising:

the display screen is provided with a display surface and a non-display surface which are oppositely arranged, and the display screen is provided with an optical path avoiding hole penetrating through the display surface and the non-display surface;

A light blocking part arranged on the inner wall surface of the light path avoiding hole;

The light-transmitting cover plate is arranged on the display surface in a stacked mode, and a groove with an opening facing the light blocking part is formed in the light-transmitting cover plate;

The shading part is arranged in the groove.

2. The display device according to claim 1, wherein the light blocking portion has a first surface facing the light-transmitting cover plate, the number of the grooves is plural, and openings of the plurality of grooves cover the first surface.

3. The display device of claim 2, further comprising a camera module, wherein the light entrance surface of the camera module is opposite to the light path avoidance hole, and the groove is disposed outside a field of view of the camera module.

4. A display device according to claim 3, wherein the light-transmissive cover plate has a second surface facing away from the display screen, the recess is located on a side of a first straight line adjacent to the light path escape hole, an edge of the first surface facing away from the light path escape hole has a first point, and the first straight line passes through the first point and intersects the second surface at a first intersection point;

The camera module comprises a lens barrel, the lens barrel is provided with an opening facing the light-transmitting cover plate, the inner edge of the opening is provided with a second point, in the section of the display equipment along a first cross section, the first point and the second point are positioned at two sides of the axis of the light path avoidance hole, and the first cross section passes through the axis of the light path avoidance hole and is perpendicular to the light-transmitting cover plate;

the second straight line passes through the second point and the first intersection point, the first straight line and the second surface have a first included angle, the second straight line and the second surface have a second included angle, and the first included angle is equal to the second included angle.

5. The display device of claim 4, wherein the recess comprises a first recess having a first inner wall surface, the edge of the field of view intersecting the first line at a second intersection point, the first inner wall surface passing through the second intersection point.

6. The display device of claim 5, wherein a first reference line is parallel to the second surface, a third included angle is formed between the first straight line and the first reference line, a second reference line bisects the third included angle, a third reference line is located between the first straight line and the second reference line and passes through the second intersection point, and a normal line of the first inner wall surface is parallel to the third reference line.

7. The display device according to claim 5 or 6, wherein the first groove further has a second inner wall surface, the second inner wall surface passing through the second intersection point, and/or an angle of the second inner wall surface with the first surface is greater than or equal to 45 degrees and less than or equal to 90 degrees.

8. The display device of claim 5 or 6, wherein the plurality of grooves further comprises a second groove located on a side of the first groove proximate to the optical path dodging hole, the second groove having a third inner wall surface that intersects an edge of the field of view.

9. The display device of claim 8, wherein the third inner wall surface is parallel to the first inner wall surface.

10. The display device of claim 8, wherein the second groove further comprises a fourth inner wall surface that intersects an edge of the field of view and/or an angle of the fourth inner wall surface to the first surface is greater than or equal to 45 degrees and less than or equal to 90 degrees.

11. The display device according to claim 8, wherein the number of the second grooves is plural, and the plural second grooves are connected in sequence.

12. The display device according to claim 5 or 6, wherein the plurality of grooves further includes a third groove located on a side of the first groove facing away from the optical path dodging hole;

the third groove is provided with a fifth inner wall surface, the fifth inner wall surface is intersected with the first straight line, the fifth inner wall surface and the first surface are provided with a fourth included angle, and the fourth included angle is larger than or equal to 45 degrees.

13. The display device according to claim 12, wherein the third groove further comprises a sixth inner wall surface passing through the first straight line, and/or an angle of the sixth inner wall surface to the first surface is greater than or equal to 45 degrees and less than or equal to 90 degrees.

14. The display device according to claim 12, wherein the number of the third grooves is plural, and the plural third grooves are connected in sequence.

15. The display device of claim 7, wherein the first recess further has a first arcuate surface connected between the first inner wall surface and the second inner wall surface.

16. The display device according to claim 1, wherein the light blocking portion has a first surface that meets the light-transmitting cover plate, an opening of the groove covers the first surface, and an inner wall of the groove has a plurality of sub-grooves.

17. The display device according to claim 1 or 2, wherein the light shielding portion is filled in a cavity of the groove.

18. The display device according to claim 1 or 2, wherein the light shielding portion covers an inner wall surface of the groove.

19. A display device according to claim 1 or 2, wherein the light shielding portion is an integral structural member with the light blocking portion.

20. A display module, comprising:

The light-transmitting cover plate is arranged on the display surface in a stacked mode and is provided with a groove with an opening facing the light blocking part;

The shading part is arranged in the groove.

21. The display module assembly of claim 20, wherein the light blocking portion has a first surface facing the light transmissive cover plate, the number of grooves is plural, and openings of the grooves cover the first surface.