Display module, driving method, and display device

Abstract

The present application discloses a display module, a driving method and a display device, relating to the field of display technologies; the display module includes a display panel, a lamp board and a light adjustment layer, the light adjustment layer includes a first display area and a second display area arranged in sequence, the second display area includes a transparent substrate, the first display area includes a control component, an aerogel and a light adjustment member, the control component is arranged at one end of the first display area close to the display panel, the control component includes a control member and a conductive electrode; the light adjustment member is arranged between the control component and the aerogel, the light adjustment member includes a first isolation film and a second isolation film; when the conductive electrode is energized, the light adjustment member and the aerogel layer form a concave lens structure in combination; when the conductive electrode is de-energized, the light adjustment member forms a convex lens structure; for the display module of the present application, by controlling whether the control component is energized or not, the display module is switched between a privacy mode and a wide viewing angle mode.

Description

Technical Field

[0001] This application relates to the field of display technologies, and in particular, to a display module, a driving method, and a display device. Background Art

[0002] With the continuous development of display technologies, the viewing angle of display panels has become wider and wider. Currently, the viewing angle of display panels is close to 180 degrees, and users can view the content displayed on the display panel from various angles, basically achieving a viewing experience without dead angles. However, in public places, due to the increased viewing angle, it also brings unnecessary trouble to the leakage of user privacy.

[0003] Currently, in order to avoid the leakage of privacy, an anti-peeping film is often added to the display screen to achieve the convergence of the viewing angle. However, while effectively preventing peeping, it also brings problems such as a decrease in the brightness of the display panel and poor display effects. Moreover, the anti-peeping film can only prevent peeping unidirectionally. When a user needs to share the display content with other users, it is impossible to switch back from the anti-peeping mode to the normal mode, reducing the user experience. Summary of the Invention

[0004] The purpose of this application is to provide a display module, a driving method, and a display device, which can switch the display module between an anti-peeping mode and a wide viewing angle mode by controlling the power-on and power-off of a control component.

[0005] This application discloses a display module, including a display panel, a light board, and a light adjustment layer. The light adjustment layer is disposed between the display panel and the light board. The light adjustment layer includes a first display area and a second display area arranged in sequence. The second display area includes a transparent substrate. The first display area includes a control component, an aerogel, and a light adjustment member. The control component is disposed at one end of the first display area close to the display panel. The control component includes a control member and a conductive electrode electrically connected to the control member. The aerogel is disposed at one end of the first display area close to the light board. The light adjustment member is disposed between the control component and the aerogel. The light adjustment member includes a first isolation film and a second isolation film. The first isolation film is disposed close to the control member, and the second isolation film is disposed close to the aerogel. When the first isolation film and the second isolation film are in the initial position, the light adjustment member is a convex lens structure. The control member is used to control the first isolation film. Wherein, when the conductive electrode is energized, the control member is in a working state. Under the action of the control member, the first isolation film moves towards the aerogel, driving the light adjustment member to protrude towards the aerogel to compress the aerogel. The light adjustment member and the aerogel layer form a concave lens structure in combination. When the conductive electrode is de-energized, the control member is in the initial state, and the first isolation film returns to the initial position, and the light adjustment member forms a convex lens structure.

[0006] Optionally, the control member includes an electromagnet, the first isolation film is a magnetic isolation film, and the magnetism of the magnetic isolation film is the same as that of the electromagnet; wherein, when the conductive electrode is energized, the electromagnet is energized to cause the first isolation film to move toward the aerogel layer; when the conductive electrode is de-energized, the electromagnet is de-energized to cause the first isolation film to return to its initial position.

[0007] Optionally, there are two conductive electrodes, and the two conductive electrodes are respectively arranged on both sides of the electromagnet; wherein, the conductive electrode is a transparent ITO electrode.

[0008] Optionally, both ends of the light regulating member are adhesively fixed to the transparent substrates of the adjacent second display regions respectively; wherein, both ends of the light regulating member are adhered to the transparent substrates through an adhesive.

[0009] Optionally, the ratio of the area of the electromagnet to the area of the conductive electrode is 1:2 or

[0010] The ratio of the area of the electromagnet to the area of the conductive electrode is 1:1.

[0011] Optionally, the first isolation film is formed by adding nano-iron oxide to a poly(3,4-ethylenedioxythiophene):polystyrene sulfonate aqueous solution.

[0012] Optionally, the second isolation film is a magnetic isolation film, and the magnetisms of the first isolation film and the second isolation film are the same.

[0013] Optionally, the aerogel layer includes a transparent aerogel material, and the transparent aerogel material is a monomeric organosilica aerogel material.

[0014] The present application also discloses a driving method, which is applied to the display module as described above, and includes the steps:

[0015] In the anti-peeping mode, the conductive electrode is de-energized, the control member is in the initial state, the first isolation film is in the initial position, and the light regulating member forms a convex lens structure;

[0016] In the wide viewing angle mode, the conductive electrode is energized, the control member is in the working state, and the light regulating member and the aerogel layer form a concave lens structure in combination;

[0017] When the display module is in the privacy mode, the light regulating member forms a convex lens structure. The light entering the first display area is converged by the light regulating member to the control member to be blocked, and the light entering the second display area passes through the transparent substrate and enters the display panel to form a privacy mode. When the display module is in the wide viewing angle mode, the light regulating member and the aerogel layer are combined to form a concave lens structure. The light entering the first display area is refracted by the aerogel layer and the light regulating member to disperse the light, and the dispersed light enters the display panel from the conductive electrode. The light entering the second display area passes through the transparent substrate and enters the display panel to form a wide viewing angle mode.

[0018] The present application also discloses a display device, including a driving circuit and the display module as described above, and the driving circuit drives the display module.

[0019] In the display module of the present application, by controlling whether the control component is powered on or not, the movement or the initial state of the first isolation film is controlled, so that the light regulating member and the aerogel are switched between the convex lens structure and the concave lens structure, so as to realize the switching of the display module between the privacy mode and the wide viewing angle mode. The user can switch the display module between the privacy mode and the wide viewing angle mode according to actual needs, improving the user experience. Description of the Drawings

[0020] The accompanying drawings included are used to provide a further understanding of the embodiments of the present application, and they constitute a part of the specification, are used to illustrate the embodiments of the present application, and are used to explain the principles of the present application together with the text description. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts. In the drawings:

[0021] Figure 1 is a schematic structural diagram of a display module in the privacy mode according to the first embodiment of the present application;

[0022] Figure 2 is a schematic optical path diagram of a display module in the privacy mode according to the first embodiment of the present application;

[0023] Figure 3 is a schematic structural diagram of a display module in the wide viewing angle mode according to the first embodiment of the present application;

[0024] Figure 4 is a schematic optical path diagram of a display module in the wide viewing angle mode according to the first embodiment of the present application;

[0025] Figure 5It is a schematic flowchart of a driving method according to the second embodiment of the present application;

[0026] Figure 6 It is a schematic structural diagram of a display device according to the third embodiment of the present application.

[0027] Among them, 100 is a display module; 200 is a display panel; 300 is a light board; 400 is a light adjustment layer; 410 is a first display area; 420 is a second display area; 421 is a transparent substrate; 430 is a control component; 431 is a control element; 432 is a conductive electrode; 440 is an aerogel; 450 is a light adjustment element; 451 is a first isolation film; 452 is a second isolation film; 500 is a driving circuit; 600 is a display device. Detailed implementation manners

[0028] It should be understood that the terms, the specific structures and functional details disclosed herein are only for the purpose of describing specific embodiments, which are representative, but the present application can be specifically implemented in many alternative forms and should not be construed as being limited only to the embodiments set forth herein.

[0029] In the description of the present application, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating relative importance or implicitly indicating the quantity of the indicated technical features. Thus, unless otherwise specified, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features; the meaning of "a plurality" is two or more. The term "comprising" and any deformation thereof means inclusive without exclusion, and there may be or be added one or more other features, integers, steps, operations, units, components and / or combinations thereof.

[0030] In addition, terms indicating orientation or positional relationships such as "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are described based on the orientation or relative positional relationship shown in the drawings, and are only for the purpose of facilitating the simplified description of the present application, rather than indicating that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present application.

[0031] In addition, unless otherwise clearly specified and defined, the terms "mounted", "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, or the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0032] The present application will be described in detail below with reference to the accompanying drawings and optional embodiments. It should be noted that, on the premise of no conflict, the following-described embodiments or technical features may be combined arbitrarily to form new embodiments.

[0033] As Figures 1 to 4 shown, as the first embodiment of the present application, a display module 100 is disclosed. The display module 100 includes a display panel 200 and a light board 300. The light board 300 is used to provide light for the display panel 200. The display module 100 further includes a light adjustment layer 400. The light adjustment layer 400 is disposed between the display panel 200 and the light board 300. The light adjustment layer 400 includes a first display area 410 and a second display area 420 arranged in sequence. The second display area 420 includes a transparent substrate 421 so that the light emitted by the light board 300 can directly pass through the transparent substrate 421 and enter the display panel 200. The first display area 410 includes a control component 430, an aerogel 440, and a light adjustment member 450. The control component 430 is disposed at one end of the first display area 410 close to the display panel 200. The control component 430 includes a control member 431 and a conductive electrode 432 electrically connected to the control member 431. The aerogel 440 is disposed at one end of the first display area 410 close to the light board 300. The light adjustment member 450 is disposed between the control component 430 and the aerogel 440. The light adjustment member 450 includes a first isolation film 451 and a second isolation film 452. The first isolation film 451 is disposed close to the control member 431. The second isolation film 452 is disposed close to the aerogel 440. When the first isolation film 451 and the second isolation film 452 are in the initial position, the light adjustment member 450 is a convex lens structure. The control member 431 is used to control the first isolation film 451. When the control layer is energized, the control member 431 is in a working state. Under the action of the control member 431, the first isolation film 451 moves towards the aerogel 440, driving the light adjustment member 450 to protrude towards the aerogel 440 to compress the aerogel 440, so that the light adjustment layer 400 and the aerogel 440 layer are combined to form a concave lens structure. When the control layer is de-energized, the control member 431 is in the initial state, and the first isolation film 451 returns to the initial position, and the light adjustment member 450 forms a convex lens structure.

[0034] Among them, the aerogel 440 uses a highly flexible monomeric silicone (PVPMS) aerogel 440 material. When not compressed, the initial shape of the aerogel 440 is designed to fit exactly with the second isolation film 452, that is, to fit exactly with the light adjusting member 450, having a certain forming effect, and having good compression performance, optical transparency, compression resilience, etc. The density of the aerogel 440 in the uncompressed state is extremely low, and its refractive index is close to that of air. After compression, the density of the aerogel 440 increases and the refractive index rises; the initial position of the light adjusting member 450 is set in the middle area of the first display area 410 to ensure that there is enough space to set the aerogel 440; it should be noted that the compression resilience of the aerogel 440 is less than the elastic restoring force of the first isolation film 451 and the second isolation film 452, so that when the display module 100 switches from the wide viewing angle mode to the anti-peeping mode, the aerogel 440 will not affect the light adjusting member 450 during the recovery process; and the transparent substrate 421 can be a glass substrate to ensure the light transmittance.

[0035] For the display module 100 of this embodiment, when the user needs the display module 100 to be in the anti-peeping mode, the conductive electrode 432 is powered off, the control electrode is in the initial state, the first isolation film 451 and the second isolation film 452 are in the initial positions, and the light adjusting member 450 is a convex lens structure. As Figure 2 shown, when light enters the light adjusting layer 400 from the light guide plate 300, the light corresponding to the second display area 420 will directly pass through the transparent substrate 421 and enter the display panel 200. When the light corresponding to the first display area 410 passes through the aerogel 440, since the aerogel 440 is in the uncompressed state, at this time the refractive index of the aerogel 440 is close to that of air, and the light will not be refracted and will directly enter the light adjusting member 450. Under the action of the light adjusting member 450, the light is converged and emitted and then incident on the control member 431 to be blocked or converged and emitted to the display panel 200, so that only some areas of the first display area 410 have light emitted to the display panel 200, and the display panel 200 receives incomplete light, so that the display module 100 forms an anti-peeping mode for display;

[0036] When the user needs the display module 100 to be in the wide viewing angle mode, the conductive electrode 432 is powered on, the control member 431 is in the working state. At this time, under the action of the control member 431, the first isolation film 451 will move towards the aerogel 440, so that the second isolation film 452 also moves towards the aerogel 440, thereby causing the light adjusting member 450 to protrude towards the aerogel 440, as Figure 3As shown, the aerogel 440 is squeezed to be in a compressed state to increase its density and improve the refractive index of the aerogel 440. At this time, the light adjusting member 450 and the aerogel 440 are combined to form a concave lens structure. When light enters the light adjusting layer 400 from the lamp board 300, the light corresponding to the second display area 420 will directly pass through the transparent substrate 421 and enter the display panel 200, while the light corresponding to the first display area 410, when entering the concave lens structure formed by the combination of the aerogel 440 and the light adjusting member 450, will be refracted and dispersed. The dispersed light can pass through the conductive electrode 432 and enter the display panel 200, as Figure 4 shown. Thus, the display panel 200 can receive the light emitted from the second display area 420 and the first display area 410, so that the display panel 200 forms a wide viewing angle mode for display;

[0037] For the display module 100 of this embodiment, by controlling whether the control component 430 is powered on or not, the movement or the initial state of the first isolation film 451 is controlled, so that the light adjusting member 450 and the aerogel 440 are switched between a convex lens structure and a concave lens structure, to realize the switching of the display module 100 between a privacy mode and a wide viewing angle mode. Users can switch the display module 100 between the privacy mode and the wide viewing angle mode according to actual needs, improving the user experience. It should be noted that when the display module 100 is in the privacy mode, in order to make the privacy effect of the privacy mode better, when the light is converged and emitted by the light adjusting member 450, the converged light can be directed to the control member 431 to be blocked by the control member 431, so that in the privacy mode, the display panel 200 does not receive the light emitted from the first display area 410, to improve the user experience of the privacy mode. Designers can also make choices according to actual needs, which can be to control the converged light to enter the display panel 200, or to control the converged light to be blocked and not enter the display panel 200 as described above, and no limitation is made here.

[0038] Among them, both ends of the light adjusting member 450 are adhesively fixed to the transparent substrate 421 of the adjacent second display area 420 respectively, so that when the first isolation film 451 moves towards the aerogel 440, the second isolation film 452 will also move towards the aerogel 440 correspondingly, rather than moving the entire light adjusting member 450. Both ends of the light adjusting member 450 can be adhesively bonded to the transparent substrate 421 through an adhesive to fix the positions of both ends of the light adjusting member 450. At the same time, both ends of the light adjusting member 450 are fixed by an adhesive, so that the light adjusting member 450 isolates the aerogel 440 from the control component 430, preventing the aerogel 440 from being squeezed into the area between the control component 430 and the light adjusting member 450 when the aerogel 440 is squeezed.

[0039] Further, the control member 431 includes an electromagnet, the first isolation film 451 is a magnetic isolation film, and the magnetism of the magnetic isolation film is the same as that of the electromagnet; when the conductive electrode 432 is energized, the electromagnet is energized so that the first isolation film 451 moves toward the aerogel 440, and when the conductive electrode 432 is de-energized, the electromagnet is de-energized so that the first isolation film 451 returns to its initial position; the control member 431 uses an electromagnet, and when energized, the control member 431 has magnetism, and the magnetism of the control member 431 is the same as that of the first isolation film 451, that is, the magnetism of the control member 431 repels the magnetism of the first isolation film 451, so that the first isolation film 451 moves toward the aerogel 440. Since the overall volume of the light regulating member 450 remains unchanged, when the first isolation film 451 moves toward the aerogel 440, the second isolation film 452 will bulge toward the aerogel 440, thereby squeezing the aerogel 440, compressing the aerogel 440 to increase the density of the aerogel 440, and increasing the refractive index of the aerogel 440 so that the aerogel 440 and the light regulating member 450 form a concave lens structure in combination; it can be understood that when the aerogel 440 is not squeezed, the refractive index of the aerogel 440 is close to that of air, and after the aerogel 440 is compressed, the density of the aerogel 440 increases, resulting in an increase in the refractive index of the aerogel 440, and it combines with the light regulating member 450 to play a role in refracting and dispersing light, thereby realizing the wide viewing angle mode of the display module 100; of course, the control member 431 may not be an electromagnet, and the control member 431 may also use other methods to enable the first isolation film 451 to move toward the aerogel 440. For example, the control member 431 is a heating member, and the air between the heating control member 431 and the first isolation film 451 is heated to make the air expand, so that the first isolation film 451 can move toward the aerogel 440. Designers can make choices according to actual situations and are not limited here; among them, in order to enable the control member 431 to achieve a better light shielding effect in the anti-peeping mode, the electromagnet of the control member 431 can be a black electromagnet, and the light shielding ability of black is better than that of other colors.

[0040] Further, there are two conductive electrodes 432, and the two conductive electrodes 432 are respectively arranged on both sides of the electromagnet. The conductive electrode 432 is a transparent ITO electrode. When the display module 100 is in the anti-peeping mode, the light is converged by the convex lens formed by the light regulating member 450, as Figure 2As shown, since the convex lens has a circular arc structure at this time, light is generally converged to the middle area. Therefore, the electromagnet is arranged in the middle of the control component 430, and the conductive electrodes 432 are arranged on both sides of the electromagnet, so that the light can be blocked by the electromagnet in the anti-peeping mode. When the display panel 200 is in the wide viewing angle mode, the light is refracted and dispersed by the concave lens structure formed by the light adjusting member 450 and the aerogel 440. After the light entering the first display area 410 is refracted and dispersed, part of the light will exit the display panel 200 from the conductive electrode 432, and part of the light will enter the second display area 420 and then exit the display panel 200. Of course, the designer can also set only one conductive electrode 432, so that in the anti-peeping mode, only part of the light is blocked by the electromagnet, and only part of the light in the first display area 410 can exit from the conductive electrode 432, forming an anti-peeping mode with a weak anti-peeping effect. The designer can make a choice according to actual needs. For example, the structure of this display module 100 can be applied to a display that only needs to slightly implement the anti-peeping function, and there is no limitation here.

[0041] Among them, in order to maximize the utilization rate of light in the wide viewing angle mode, when there are two conductive electrodes 432, the ratio of the area of the electromagnet to the area of the conductive electrode 432 is 1:2, so that the area where the light can exit in the first display area 410 is larger, increasing the light intensity in the wide viewing angle mode. Of course, the ratio of the area of the electromagnet to the area of the conductive electrode 432 can also be set to 1:1, so that in the anti-peeping mode, the converged light can be completely blocked by the control member 431, preventing the light from entering the display panel 200 and improving the use experience in the anti-peeping mode. The designer can make a choice according to actual needs, and there is no limitation here.

[0042] In this embodiment, the second isolation film 452 can also be a magnetic isolation film. The first isolation film 451 and the second isolation film 452 have the same magnetism. When the first isolation film 451 moves towards the aerogel 440, the second isolation film 452 will also move towards the aerogel 440 under the action of the first isolation film 451 to compress the aerogel 440. Specifically, the magnetic isolation film is prepared by adding nano-iron oxide (magnetite) to an aqueous solution of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS, Clevios PH1000), and then spin-coating to form a film, that is, the first isolation film 451 and the second isolation film 452 are formed. Then, the first isolation film 451 and the second isolation film 452 are pressed to form the light adjusting member 450, forming a convex lens shape as Figure 1 shown.

[0043] As Figure 5As shown, as the second embodiment of the present application, a driving method is disclosed, which is applied to the display module described in the above embodiment, and includes the steps:

[0044] In the anti-peeking mode, the conductive electrode is powered off, the control member is in the initial state, the first isolation film is in the initial position, and the light regulating member forms a convex lens structure;

[0045] Specifically, in the anti-peeking mode, the conductive electrode is powered off, the control electrode is in the initial state, the first isolation film and the second isolation film are in the initial positions, the light regulating member is a convex lens structure. When light enters the light regulating layer from the lamp board, the light corresponding to the second display area will directly pass through the transparent substrate and enter the display panel. For the light corresponding to the first display area, after passing through the aerogel, since the aerogel is in an uncompressed state, the refractive index of the aerogel is close to that of air at this time, and the light will not be refracted and will directly enter the light regulating member. Under the action of the light regulating member, the light is converged and emitted and then incident on the control member to be blocked or converged and emitted to the display panel, so that only some areas in the first display area have light emitted to the display panel, and the display panel receives incomplete light, so that the display module forms an anti-peeking mode for display;

[0046] In the wide viewing angle mode, the conductive electrode is powered on, the control member is in the working state, and the light regulating member and the aerogel layer are combined to form a concave lens structure;

[0047] Specifically, in the wide viewing angle mode, the conductive electrode is powered on, the control member is in the working state. At this time, under the action of the control member, the first isolation film will move towards the aerogel direction, so that the second isolation film also moves towards the aerogel direction, thereby making the light regulating member bulge towards the aerogel direction to squeeze the aerogel, making it in a compressed state with an increased density and improving the refractive index of the aerogel. At this time, the light regulating member and the aerogel are combined to form a concave lens structure. When light enters the light regulating layer from the lamp board, the light corresponding to the second display area will directly pass through the transparent substrate and enter the display panel, while for the light corresponding to the first display area, when it enters the concave lens structure formed by the combination of the aerogel and the light regulating member, the light will be refracted and dispersed, and the dispersed light can pass through the conductive electrode and enter the display panel;

[0048] When the display module is in the privacy mode, the light adjusting member forms a convex lens structure. The light incident on the first display area is converged by the light adjusting member to the control member for blocking, and the light incident on the second display area passes through the transparent substrate and enters the display panel to form a privacy mode. When the display module is in the wide viewing angle mode, the light adjusting member and the aerogel layer are combined to form a concave lens structure. The light incident on the first display area is refracted by the aerogel layer and the light adjusting member to disperse the light, and the dispersed light enters the display panel from the conductive electrode. The light incident on the second display area passes through the transparent substrate and enters the display panel to form a wide viewing angle mode.

[0049] The driving method of the present application controls the energization of the control component to control the movement or the initial state of the first isolation film, so that the light adjusting member and the aerogel are switched between the convex lens structure and the concave lens structure, thereby realizing the switching of the display module between the privacy mode and the wide viewing angle mode. The user can switch the display of the display module between the privacy mode and the wide viewing angle mode according to actual needs, improving the user experience.

[0050] As Figure 6 shown, as the third embodiment of the present application, a display device 600 is disclosed. The display device 600 includes a driving circuit 500 and the display module 100 as described in the above embodiment. The driving circuit 500 drives the display module 100. In the display device of this embodiment, by controlling the energization of the control component to control the movement or the initial state of the first isolation film, the light adjusting member and the aerogel are switched between the convex lens structure and the concave lens structure, thereby realizing the switching of the display module between the privacy mode and the wide viewing angle mode. The user can switch the display of the display module between the privacy mode and the wide viewing angle mode according to actual needs, improving the user experience.

[0051] It should be noted that the limitations of the steps involved in this solution do not determine the order of the steps without affecting the implementation of the specific solution. The steps written in the front can be executed first, or can be executed later, or even can be executed simultaneously. As long as the solution can be implemented, it should be regarded as falling within the protection scope of the present application.

[0052] The technical solution of the present application can be widely used in various display panels, such as TN (Twisted Nematic) display panels, IPS (In-Plane Switching) display panels, VA (Vertical Alignment) display panels, MVA (Multi-Domain Vertical Alignment) display panels, etc., and the above solutions are applicable to all of them.

[0053] It should be noted that the inventive concept of the present application can form a very large number of embodiments. However, due to the limited space of the application documents, it is impossible to list them all. Therefore, on the premise of non-conflict, the above-described embodiments or technical features can be arbitrarily combined to form new embodiments. After the combination of each embodiment or technical feature, the original technical effect will be enhanced.

[0054] The above content is a further detailed description of the present application in combination with specific optional embodiments. It cannot be determined that the specific implementation of the present application is only limited to these descriptions. For those of ordinary skill in the technical field to which the present application belongs, without departing from the concept of the present application, several simple deductions or substitutions can be made, and all should be regarded as belonging to the protection scope of the present application.

Claims

1. A display module, comprising a display panel and a light board, characterized in that, It further includes a light adjustment layer, which is arranged between the display panel and the lamp board. The light adjustment layer includes a first display area and a second display area arranged in sequence. The second display area includes a transparent substrate, and the first display area includes: A control component, arranged at one end of the first display area close to the display panel. The control component includes a control element and a conductive electrode electrically connected to the control element. The control element includes an electromagnet; An aerogel, arranged at one end of the first display area close to the lamp board; A light adjustment element, arranged between the control component and the aerogel. The light adjustment element includes a first isolation film and a second isolation film. The first isolation film is a magnetic isolation film, and the magnetism of the magnetic isolation film is the same as that of the electromagnet. The first isolation film is arranged close to the control element, and the second isolation film is arranged close to the aerogel. When the first isolation film and the second isolation film are in the initial position, the light adjustment element is in a convex lens structure, and the control element is used to control the first isolation film; Among them, when the conductive electrode is energized, the control element is in a working state. Under the action of the control element, the first isolation film moves towards the aerogel, driving the light adjustment element to protrude towards the aerogel to compress the aerogel, and the light adjustment element and the aerogel layer form a concave lens structure; when the conductive electrode is de-energized, the control element is in the initial state, the first isolation film returns to the initial position, and the light adjustment element forms a convex lens structure; Among them, both ends of the light adjustment element are adhesively fixed to the transparent substrates of the adjacent second display areas; both ends of the light adjustment element are adhesively bonded to the transparent substrates through an adhesive.

2. The display module according to claim 1, wherein There are two conductive electrodes, and the two conductive electrodes are respectively arranged on both sides of the electromagnet; Among them, the conductive electrode is a transparent ITO electrode.

3. The display module according to claim 1, wherein The ratio of the area of the electromagnet to the area of the conductive electrode is 1:2 or The ratio of the area of the electromagnet to the area of the conductive electrode is 1:

1.

4. The display module according to claim 1, wherein The first isolation film is formed by adding nano-iron oxide to a poly(3,4-ethylenedioxythiophene):polystyrene sulfonate aqueous solution.

5. The display module according to claim 1, characterized in that, The second isolation film is a magnetic isolation film, and the first isolation film and the second isolation film have the same magnetism.

6. The display module according to claim 1, wherein The aerogel layer includes a transparent aerogel material, and the transparent aerogel material is a monomeric organosilica aerogel material.

7. A driving method, applied to the display module according to any one of claims 1 to 6, characterized in that, It includes steps: In the anti-peeping mode, the conductive electrode is de-energized, the control element is in the initial state, the first isolation film is in the initial position, and the light adjustment element forms a convex lens structure; In the wide viewing angle mode, the conductive electrode is energized, the control element is in a working state, and the light adjustment element and the aerogel layer form a concave lens structure; Wherein, when the display module is in the privacy mode, the light adjusting member forms a convex lens structure, and the light incident on the first display area is converged by the light adjusting member to the control member to be blocked, and the light incident on the second display area passes through the transparent substrate and enters the display panel to form a privacy mode; when the display module is in the wide viewing angle mode, the light adjusting member and the aerogel layer are combined to form a concave lens structure, and the light incident on the first display area is refracted by the aerogel layer and the light adjusting member to disperse the light, and the light is dispersed and enters the display panel from the conductive electrode, and the light incident on the second display area passes through the transparent substrate and enters the display panel to form a wide viewing angle mode.

8. A display device, characterized in that, It includes a driving circuit and the display module according to any one of claims 1 to 6, and the driving circuit drives the display module.

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