CN110213465A - A kind of display module and terminal - Google Patents

Abstract

The present invention provides a display module and a terminal. The display module includes a display panel and a camera assembly, the display panel includes a display layer, and the display layer is used to display images; On the display side of the display layer; the lens is arranged on the side of the light guide close to the lens, and the lens is arranged opposite to the lens; The optical part is used to transmit the imaging light of the lens to the photosensitive area. In the display module provided by the embodiment of the present invention, the camera component can be integrated into the display panel, so that the terminal does not need to open a mounting hole on the display side to install the camera component, so that the installation area of the display panel is increased, and the screen-to-body ratio of the terminal is improved.

Description

A display module and terminal

technical field

The invention relates to the field of communication equipment, in particular to a display module and a terminal.

Background technique

With the rapid development of electronic technology, terminals such as smart phones and tablet computers are becoming more and more popular, and have become indispensable tools in people's daily life. As an important part of the terminal, the front camera is installed on the display side of the display screen. Users can use the terminal to take selfies through the front camera. camera etc.

At present, in order to realize the installation of the front camera on the terminal, an installation hole is generally opened on the display side of the terminal, and an infrared lamp is embedded in the installation hole. However, since the installation holes are provided on the display side, the installation area of the display screen will be limited, which will limit the increase in the display area of the terminal, resulting in a low screen-to-body ratio of the terminal, especially when there are many front-facing cameras. It can be seen that the current terminal has a problem of low screen-to-body ratio due to the camera installed on the display side.

Contents of the invention

Embodiments of the present invention provide a display module and a terminal to solve the current problem of a low screen-to-body ratio caused by a camera being installed on a display side of a terminal.

In order to solve the problems of the technologies described above, the present invention is achieved in that:

In a first aspect, an embodiment of the present invention provides a display module, the display module includes a display panel and a camera component, the display panel includes a display layer, and the display layer is used to display images; the camera component includes Lenses, Lenses, Light Guides and Sensors:

The lens is disposed on the display side of the display layer;

The lens is arranged on a side of the light guide member close to the lens, and the lens is arranged opposite to the lens;

The light guiding element is arranged on the display layer, and the light output end of the light guiding element is set toward the photosensitive area of the photosensitive element, and the light guiding element is used to guide the imaging light of the lens to the Photosensitive area.

In a second aspect, an embodiment of the present invention further provides a terminal, including the above display module.

In the embodiment of the present invention, the display module includes a display panel and a camera assembly, the display panel includes a display layer, and the display layer is used to display images; the camera assembly includes a lens, a lens, a light guide, and a photosensitive element: the lens is arranged on the The display side of the display layer; the lens is arranged on the side of the light guide member close to the lens, and the lens is arranged opposite to the lens; the light guide member is arranged on the display layer, and the The light-emitting end of the light-guiding element is set toward the photosensitive area of the photosensitive element, and the light-guiding element is used to guide the imaging light of the lens to the photosensitive area. In this way, the camera component can be integrated into the display panel, so that the terminal does not need to open a mounting hole on the display side to install the camera component, so that the installation area of the display panel is increased, and the screen-to-body ratio of the terminal is increased.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments of the present invention. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is one of the partial structural diagrams of the display module provided by the embodiment of the present invention;

Fig. 2 is the second schematic diagram of the partial structure of the display module provided by the embodiment of the present invention;

Fig. 3 is the third schematic diagram of the partial structure of the display module provided by the embodiment of the present invention;

Fig. 4 is the fourth schematic diagram of the partial structure of the display module provided by the embodiment of the present invention;

Fig. 5 is the fifth schematic diagram of the partial structure of the display module provided by the embodiment of the present invention;

6 is a schematic diagram of the distribution of light guides and lenses provided by an embodiment of the present invention;

Fig. 7 is the sixth schematic diagram of the partial structure of the display module provided by the embodiment of the present invention;

FIG. 8 is a schematic diagram of a partial structure of the display module in FIG. 7 from another perspective;

Fig. 9 is a schematic diagram of the shooting principle of the camera assembly provided by the embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

1 and 2, the display module includes a display panel and a camera assembly, the display panel includes a display layer 11, and the display layer 11 is used to display images; the camera assembly includes a lens 12, a lens 13, a light guide 14 and a photosensitive member 15 :

The lens 12 is arranged on the display side of the display layer 11;

The lens 13 is arranged on the side of the light guide 14 close to the lens 12, and the lens 13 is arranged opposite to the lens 12;

The light guiding element 14 is disposed on the display layer 11 , and the light emitting end of the light guiding element 14 is set toward the photosensitive area of the photosensitive element 15 , and the light guiding element 14 is used to guide the imaging light of the lens 13 to the photosensitive area.

Here, the lens 12 of the camera assembly is arranged on the display side of the display layer 11, the lens 13 is arranged opposite to the lens 12, and the light guide 14 can conduct the imaging pipeline of the lens 13 to the photosensitive area of the photosensitive element 15 to realize image shooting, Therefore, the camera component can be integrated into the display panel, and the terminal does not need to open a mounting hole on the display side to install the camera component, thereby increasing the installation area of the display panel and increasing the screen-to-body ratio of the terminal.

In the embodiment of the present invention, the above-mentioned display panel may be a light-emitting diode (Light Emitting Diode, LED) panel, an organic light-emitting diode (Organic Light-Emitting Diode, OLED) panel or a liquid crystal display panel (Liquid Crystal Display, LCD), etc., and the above-mentioned The display layer 11 is a part of the display panel that can emit light for displaying images, for example: the above-mentioned display panel is an OLED panel, and the above-mentioned display layer can be an organic material light-emitting layer in the OLED panel; or, the above-mentioned display panel is an LCD, The above-mentioned display layer may be a liquid crystal layer in an LCD, and the like.

It should be noted that the above-mentioned display panel may also include other parts besides the above-mentioned display layer. No improvement is made to the structure of the display panel, but the specific structure of the display panel is well known to those skilled in the art, and will not be repeated here.

In the embodiment of the present invention, the above-mentioned lens 12 and the above-mentioned lens 13 are the basic imaging units in the camera assembly, and the lens 12 and the lens 13 are arranged opposite to each other, so that the light collected by the lens 12 can be injected into the lens 13, so that the image of the object to be photographed The light can be focused and imaged through the lens 12 and the lens 13 to form the above-mentioned imaging light. Since the imaging principles of the lens 12 and the lens 13 are well known to those skilled in the art, details are not repeated here.

In addition, the above-mentioned lens 12 is arranged on the display side of the display layer 11, and the lens 13 is arranged opposite to the lens 12. For example, when a glass substrate is arranged on the display side of the display layer 11, the above-mentioned lens 12 can be embedded in the display layer. In the glass substrate, the lens 13 can be located between the display layer 11 and the glass substrate, and the lens 13 is arranged opposite to the lens 12; or, the lens 12 and the lens 13 can also be arranged between the display layer 11 and the glass substrate .

It should be noted that since the lens 12 is arranged on the display side of the display layer 11, and the lens 13 is arranged opposite to the lens 12, in order to reduce the influence of the lens 12 and the lens 13 on the display image quality of the display panel, the distance between the lens 12 and the lens 13 can be reduced. Size, for example: the size of the lens 12 and the lens 13 can be reduced to a micron level or even a nano level, and so on.

In the embodiment of the present invention, the light guide 14 is arranged on the display layer 11, and the light guide 14 can be laid on the surface of the display layer 11, or the light guide 14 can be embedded in the display layer 11. This is not limiting.

Among them, the display layer 11 usually includes a large number of pixels for emitting image light, the pixels of the display layer 11 are arranged according to certain rules, and there are usually gaps between adjacent pixel points, the above-mentioned light guide 14 can be covered or replaced Part of the pixels on the display layer 11; or, optionally, a gap is provided between two adjacent pixels on the display layer 11, and the light guide 14 is arranged in the gap, so that the impact of the light guide 14 on the display can be reduced. panel image quality.

In addition, the above-mentioned light guide 14 can be any component capable of transmitting the imaging light of the above-mentioned lens 13 to the photosensitive area of the photosensitive member 15, for example: optionally, the above-mentioned light guide 14 is an optical fiber, and the lens 13 is fused to the optical fiber 14, so as to improve the light guiding effect of the light guide member 14, thereby improving the shooting quality. Wherein, when the light guide 14 is an optical fiber, the refractive index of the optical fiber may be quite different from the ambient refractive index of the pixel area of the display screen, so as to prevent the light emitted by the display layer 11 from entering the optical fiber and avoid displaying The influence of the light emitted by the layer 11 on the imaging light ensures the shooting quality.

In the embodiment of the present invention, the light-emitting end of the above-mentioned light guide member 14 is set toward the photosensitive area of the photosensitive member 15, so that the light guide member 14 can transmit the imaging light of the lens 13 to the photosensitive area of the photosensitive member 15, so that the photosensitive member 15 can be A captured image is generated based on the imaging light.

Wherein, the photosensitive element 15 may be any component capable of generating a captured image according to imaging light, for example, the photosensitive element 15 is an image processor or the like.

In addition, the above photosensitive element 15 can be arranged at any position of the display panel, for example: it can be arranged at the edge of the display layer; or it can be arranged on the side of the display layer 11 away from the display side, and the light guide 14 can be Through the display layer 11 , the light emitting end is set toward the photosensitive area of the photosensitive element 15 , so as to reduce the influence of the photosensitive element 15 on the quality of the displayed image, etc., which are not limited here.

It should be noted that the above-mentioned display module can also be other components or circuits, etc., for example: the above-mentioned display module can also include a lens control circuit, and the lens control circuit is electrically connected to the lens 13, and the lens control circuit can control the opening or closing of the lens 13. Or, the above-mentioned display module can also be arranged on the electrode plate on the side of the display layer 11 away from the lens 13, and the imaging focus position of the above-mentioned lens 13 is provided with liquid crystal molecules, and the electrode plate can generate an electric field to control the arrangement of the liquid crystal molecules, thereby The light transmittance of the liquid crystal molecules can be adjusted, and then the imaging light of the lens can be controlled to pass through the liquid crystal molecules or the imaging light can be prevented from passing through the liquid crystal molecules, and so on.

In the embodiment of the present invention, only one lens and one lens may be provided in the above-mentioned camera assembly, and the imaging of the shooting object can be realized through the one lens and one lens.

Or, optionally, the camera assembly includes N lenses 12, N lenses 13, and M light guides 14, and the N lenses 12 and the N lenses 13 are set in one-to-one correspondence, and N and M are positive integers;

The N lenses 13 are disposed on the M light guide elements 14 , and at least one lens 13 is disposed on each light guide element 14 in the M light guide elements 14 .

Here, the camera assembly includes N lenses 12, N lenses 13, and M light guides 14. Through the M light guides 14, the imaging light of the N lenses can be transmitted to the photosensitive member 15, so as to realize the shooting of the subject. , thereby improving the captured image quality.

Wherein, in the case where the above-mentioned camera assembly includes N lenses 12, N lenses 13, and M light guides 14, the projection area of the distribution area of N lenses 12 and N lenses 13 on the display layer 11 may be Part or all of the display area of the display layer 11 is displayed, and M light guide elements 14 are disposed on the display layer 11 , and N lenses 13 are disposed on the M light guide elements 14 .

For example: as shown in Figure 3, the camera arrangement area 31 is the distribution area of N lenses 12 and N lenses 13, and the camera arrangement area 31 and the projection area on the display layer 11 are part of the display area of the display layer 11; As shown in 4, N lenses 12 and N lenses 13 in the camera arrangement area 31 form a photosensitive array 41, and the N lenses 13 in the photosensitive array 41 are arranged on M optical fibers (that is, M light guides 14); as As shown in FIG. 5 , the light emitting ends of the M optical fibers are arranged in the photosensitive area of the photosensitive element 15 .

In addition, in the case that the camera assembly includes N lenses 12, the N lenses 12 may be a convex lens array arranged in a fly-eye shape, thereby reducing the impact on the display effect.

It should be noted that, in the case where the camera assembly includes N lenses 12, the N lenses 12 may be randomly distributed on the display side of the display layer 11, or the N lenses 12 may be distributed on the display side according to certain rules. On the display side of the display layer 11 , for example, the above N lenses 12 may be distributed in a matrix.

Certainly, the above-mentioned N lenses 13 are arranged on the M light guides 14, and each light guide 14 in the M light guides 14 is provided with at least one lens 13, which can be arranged on each light guide 14 The number of lenses 13 is different; or, optionally, the number of lenses 13 arranged on each light guide 14 in the M light guides 14 is the same, and N lenses 13 are arranged on the M light guides 14 to form L columns In the lens group, L is the ratio of N to M (that is, L=N/M), and L is an integer, so as to further improve the shooting effect.

In this embodiment, the above-mentioned M light guides 14 are arranged on the display layer 11, and the M light guides 14 may be arranged on the display layer 11 alternately, or the M light guides 14 are arranged in parallel and equally spaced on the display layer. 11, etc., are not limited here.

Specifically, the M light guide elements 14 can be arranged on a projection surface of a reference spherical surface on the display layer 11, so as to enhance the focusing effect of the camera assembly during image capture, thereby improving the image quality.

Wherein, the above-mentioned M light guide elements 14 are arranged on a projection surface of a reference spherical surface on the display layer 11 , and the M light guide elements 14 may extend in any direction on the projection surface.

Optionally, each light guide 14 among the M light guides 14 is arranged on a first projection line on the projection plane, the first projection line is a projection line of the first line on the reference spherical surface on the display panel, and Different light guides are located on different first projection lines, and the first lines are warp lines or weft lines, so that the vertical or horizontal focusing effect of the camera assembly can be enhanced.

For example: as shown in FIG. 6, M optical fibers are arranged on the same plane projection of the reference sphere, and each optical fiber is arranged along the plane projection of the meridian (ie, the first line) of the reference sphere to enhance the effect of lateral focusing.

In this embodiment, in the case where each light guide 14 among the M light guides 14 is arranged on the first projection line on the projection plane, each light guide 14 among the M light guides 14 can be arranged according to The L lenses 13 are arranged in any manner, for example, the L lenses 13 on each light guide 14 may be distributed at equal intervals, and so on.

Optionally, each lens group in the L columns of lens groups is arranged on a second projection line on the projection surface, and the second projection line is the projection line of the second line on the reference spherical surface on the display panel, and different columns of lens groups Located on a different second projection line, the second line is a line different from the first line in the warp and latitude, so that the vertical or horizontal focusing effect of the camera assembly can be enhanced.

For example: as shown in Figure 7 and Figure 8, each optical fiber in the M optical fibers is fused with L lenses 13, and the jth lens between different optical fibers is arranged according to the same reference line 61 (i.e. the second projection line) as shown in Figure 6 Arrangement, the arrangement reference line of the L lenses 13 is the same as the warp line rotated by 90° (that is, the second projection line is the latitude line), so as to enhance the longitudinal focusing effect.

In this embodiment, in the case that the camera assembly includes N lenses 13, in order to control the conduction or non-conduction of the imaging light of each lens 13 in the N lenses 13, optionally, as shown in FIG. 6, the camera assembly also Including N light guide control parts 16, each light guide control part 16 is used to control the transmission of the imaging light of the corresponding lens, so that the size of the display module can be reduced, and the control of the transmission or non-transmission of the imaging light of the lens 13 can be improved. performance.

Wherein, each light guide control unit 16 in the above-mentioned N light guide control units 16 can independently control whether the imaging light of its corresponding lens 13 is transmitted to the photosensitive element 15 or not.

Optionally, different light guide control parts 16 are arranged at different imaging focus positions of the lens 13, so that the performance of the light guide control part 16 in controlling light transmission or non-transmission can be improved.

Optionally, at least two lenses 13 are sequentially connected to the first light guide member 14, and the light guide control part 16 corresponding to the i-th lens 13 is also used for: controlling the imaging light passing through the corresponding lens 13 at the first moment. The light guide control part 16 corresponding to the jth lens 13 is also used for: controlling the imaging light of the corresponding lens 13 to pass through at the second moment; wherein, the first light guide 14 is one of the M light guides 14 Any light guide 14; the i-th lens 13 and the j-th lens 13 are different lenses 13 among at least two lenses 13, and i and j are positive integers; the first moment is different from the second moment.

Here, it is possible to control the imaging light of different lenses 13 on the same light guide member 14 to be transmitted to the photosensitive area of the photosensitive member 15 at different times, thereby improving the quality of the captured image.

Optionally, when the number of lenses 13 connected to each light guide 14 on the M light guides 14 is the same, the light guide control part 16 corresponding to the k-th lens 13 on different light guides 14 also uses In: controlling the imaging light of the corresponding lens 13 to pass through at the third moment; k is a positive integer.

Here, it is possible to control the imaging light rays of the lenses 13 in the same row on different light guide elements 14 to be transmitted to the photosensitive area of the photosensitive element 15 at the same time, further improving the quality of the captured image.

It should be noted that each light guide control 16 in the above-mentioned N light guide control parts 16 can be any structure capable of controlling the imaging light of its corresponding lens 13 to conduct or not conduct into the light guide 14, for example: Specifically, the light guide control part 16 may be a liquid crystal structure, that is, the light guide control part 16 includes liquid crystal molecules, so that the structure of the light guide control part 16 is simple and easy to implement.

Wherein, in the case where the above-mentioned light guide control part 16 includes liquid crystal molecules, since the liquid crystal molecules can undergo changes in the direction of deflection under the action of an electric field, the light transmittance of the light guide control part 16 can be adjusted, and when the light guide control When the light transmittance of the part 16 is high, the imaging light of the lens 13 can pass through the corresponding light guide control part 16 and be transmitted to the photosensitive area through the corresponding light guide part 14; when the light transmittance of the light guide control part 16 is low At this time, the imaging light of the lens 13 cannot pass through the corresponding light guide control part 16, and the light guide control part 16 prevents the imaging light of the lens 13 from being transmitted to the photosensitive area.

Optionally, the light guide control part 16 includes liquid crystal molecules. As shown in FIG. 9 , the display module further includes an electrode plate 17 disposed on the side of the display layer 11 away from the N lenses 13. The electrode plate 17 is used to provide a static electric field. The static electric field is used to control the arrangement of liquid crystal molecules in the light guide control part 16 to adjust the light transmittance of the N light guide control parts 16, so that the structure of the display module is simple and easy to realize.

In this embodiment, the above-mentioned electrode plate 17 can generate a static electric field, and the static electric field controls and adjusts the electrostatic field of the arrangement state of the liquid crystal molecules in the N light guide control parts 16, thereby realizing the light transmittance of the N light guide control parts 16. For example: the electrode plate 17 can include N metal plates, each of the N metal plates can generate a static electric field independently, different metal plates in the N metal plates and different guides in the N light guide control parts 16 The light control part 16 is provided correspondingly, and the static electric field generated by each metal plate can adjust the light transmittance of the corresponding light guide control part 16 .

In the case where the electrode plate 17 includes the above N metal plates, as shown in FIG. 9, the voltage of the metal plate where the _hth lens column is located can be pulled up and down in sequence, and the static electric field generated can make the The light transmittance of the liquid crystal structure corresponding to the lenses of the other lens columns is low, and the light transmittance of the liquid crystal structure corresponding to the lens of the h lens column is high, so that the photosensitive element 15 can only receive the h lens column during T _h time The image collected by the lens 13 reciprocates in sequence, and the photosensitive element 15 can collect an image of N pixels, wherein the above h is a positive integer less than or equal to N/M.

In the embodiment of the present invention, the display panel includes a display layer 11, and the display layer 11 is used to display images; the camera assembly includes a lens 12, a lens 13, a light guide 14, and a photosensitive element 15: the lens 12 is arranged on the display side of the display layer 11; The lens 13 is arranged on the side of the light guide 14 close to the lens 12, and the lens 13 is arranged opposite to the lens 12; the light guide 14 is arranged on the display layer 11, and the light-emitting end of the light guide 14 faces the photosensitive area of the photosensitive member 15 The light guide member 14 is configured to transmit the imaging light of the lens 13 to the photosensitive area. In this way, the camera component can be integrated into the display panel, so that the terminal does not need to open a mounting hole on the display side to install the camera component, so that the installation area of the display panel is increased, and the screen-to-body ratio of the terminal is increased.

Based on the above display module, an embodiment of the present invention further provides a terminal, including the above display module.

Since the structure of the terminal body is the prior art, and the display module has been described in detail in the foregoing embodiments, the specific structure of the terminal will not be repeated in this embodiment.

In the embodiment of the present invention, the above-mentioned terminal can be any electronic device including the above-mentioned display module, for example: mobile phone, tablet computer (Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant (personal digital assistant, referred to as PDA), mobile Internet device (Mobile Internet Device, MID), camera or wearable device (Wearable Device), etc.

Embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementations, and the above-mentioned specific implementations are only illustrative, rather than restrictive, and those of ordinary skill in the art will Under the enlightenment of the present invention, without departing from the gist of the present invention and the protection scope of the claims, many forms can also be made, all of which belong to the protection of the present invention.

Claims (13)

1. A display module, characterized in that, the display module includes a display panel and a camera assembly, the display panel includes a display layer, and the display layer is used to display images; the camera assembly includes a lens, a lens, Light guide and photosensitive parts: The lens is disposed on the display side of the display layer; The lens is arranged on a side of the light guide member close to the lens, and the lens is arranged opposite to the lens; The light guiding element is arranged on the display layer, and the light output end of the light guiding element is set toward the photosensitive area of the photosensitive element, and the light guiding element is used to guide the imaging light of the lens to the Photosensitive area. 2. The display module according to claim 1, wherein the camera assembly comprises N lenses, N lenses, and M light guides, and the N lenses and The N lenses are set in one-to-one correspondence, and the N and the M are positive integers; The N lenses are disposed on the M light guides, and each of the M light guides is provided with at least one lens. 3. The display module according to claim 2, wherein the number of lenses provided on each of the light guides among the M light guides is the same, and the N said light guides Lenses are arranged on the M light guide members to form L lens groups, the L is the ratio of the N to the M, and the L is an integer. 4. The display module according to claim 3, wherein each of the M light guides is arranged on a first projection line on the projection surface, and the The first projection line is the projection line of the first line on the reference sphere on the display panel, and different light guide members are located on different first projection lines, and the first line is a meridian or weft. 5. The display module according to claim 4, wherein each lens group in the L columns of lens groups is arranged on a second projection line on the projection surface, and the second projection line is the The projection line of the second line on the reference spherical surface on the display panel, and different columns of lens groups are located on different second projection lines, and the second line is the same as the longitude line and the latitude line different lines than the first line. 6. The display module according to claim 2, wherein the camera assembly further comprises N light guide control parts, each of which is used to control the imaging light of the corresponding lens. conduction. 7 . The display module according to claim 6 , wherein different light guide control parts are arranged at different imaging focus positions of the lenses. 7 . 8. The display module according to claim 6, wherein at least two lenses are sequentially connected to the first light guide member, and the light guide control part corresponding to the i-th lens also uses For: controlling the imaging light of the corresponding lens to pass through at the first moment; the light guide control part corresponding to the jth lens is also used for: controlling the imaging light of the corresponding lens to pass through at the second moment Pass; Wherein, the first light guide is any one of the M light guides; the i-th lens and the j-th lens are different from the at least two lenses The lens, and the i and the j are positive integers; the first moment is different from the second moment. 9. The display module according to claim 6, wherein when the number of lenses connected to each of the light guides on the M light guides is the same, the different The light guide control part corresponding to the kth lens on the light guide member is further configured to: control the imaging light of the corresponding lens to pass through at the third moment; the k is a positive integer. 10. The display module according to any one of claims 6 to 9, wherein the light guide control part includes liquid crystal molecules; the display module further includes electrode plates on one side of the lens, the electrode plates are used to provide a static electric field, and the static electric field is used to control the arrangement of the liquid crystal molecules in the light guide control part, so as to adjust the N number of the light guides Controls the light transmittance of the section. 11 . The display module according to claim 1 , wherein a gap is provided between two adjacent pixels on the display layer, and the light guide is disposed in the gap. 12. The display module according to claim 1, wherein the light guide is an optical fiber, and the lens is welded to the optical fiber. 13. A terminal, characterized by comprising the display module according to any one of claims 1-12.