CN111965863B

CN111965863B - Display device and control method thereof

Info

Publication number: CN111965863B
Application number: CN202010869964.5A
Authority: CN
Inventors: 顾跃凤; 王建栋
Original assignee: Shanghai Tianma Microelectronics Co Ltd
Current assignee: Shanghai Tianma Microelectronics Co Ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2023-07-07
Anticipated expiration: 2040-08-26
Also published as: CN111965863A

Abstract

The invention discloses a display device and a control method thereof, wherein the display device comprises a display panel and a guest-host effect box which are oppositely arranged, a guest-host effect box component is provided with at least two dimming areas, the guest-host effect box component comprises a first liquid crystal box and a second liquid crystal box, the first liquid crystal box comprises a first substrate, a second substrate, a first dye liquid crystal layer and a first electrode structure comprising at least two first electrode blocks; the second liquid crystal box comprises a third substrate, a fourth substrate, a second dye liquid crystal layer and a second electrode structure comprising at least two second electrode blocks, and in each dimming area, the orthographic projection of the first electrode block on the display panel overlaps with the orthographic projection of the second electrode block on the display panel; in the initial state, the long axis direction of the first liquid crystal molecules in the first dye liquid crystal layer and the long axis direction of the second liquid crystal molecules in the second dye liquid crystal layer are respectively positioned at two sides perpendicular to the plane direction of the display panel. The display device provided by the invention can realize various display modes.

Description

Display device and control method thereof

Technical Field

The invention relates to the technical field of display, in particular to a display device and a control method thereof.

Background

With the development of society, there is a demand for display devices, for example, in vehicle-mounted displays, there is a demand for dual viewing angles, and it is desired that left and right driving can see different display images.

At present, the display mode of the display device is single, the user requirements cannot be well met, and if the display device is unreasonable in arrangement, the problems of color cross and the like are easily caused, so that the display effect is affected.

Disclosure of Invention

The invention provides a display device and a control method thereof, wherein the display device can realize the switching of various display modes and has better display effect.

In one aspect, an embodiment of the present invention provides a display device, including a display panel and a guest-host effect box, where the display panel is configured to display an image, the guest-host effect box assembly has at least two dimming areas arranged in an array along a plane direction of the display panel, the guest-host effect box assembly includes a first liquid crystal box and a second liquid crystal box, the first liquid crystal box includes a first substrate, a second substrate, a first dye liquid crystal layer, and a first electrode structure, the first substrate is disposed opposite to the second substrate, the first dye liquid crystal layer is disposed between the first substrate and the second substrate, the first electrode structure includes a first electrode layer disposed on the first substrate and a second electrode layer disposed on the second substrate, one of the first electrode layer and the second electrode layer includes at least two first electrode blocks arranged in an array, where each dimming area is correspondingly provided with at least one first electrode block, the first dye liquid crystal layer includes a first dye molecule and a first liquid crystal molecule, the first liquid crystal molecule has a first pretilt angle, and the first pretilt angle is an included angle between a long axis direction of the first liquid crystal molecule and a plane direction of the display panel in an initial state; the second liquid crystal box is sequentially arranged along the light emitting direction of the display panel and the first liquid crystal box, the second liquid crystal box comprises a third substrate, a fourth substrate, a second dye liquid crystal layer and a second electrode structure, the third substrate and the fourth substrate are arranged oppositely, the second dye liquid crystal layer is positioned between the third substrate and the fourth substrate, the second electrode structure comprises a third electrode layer positioned on the third substrate and a fourth electrode layer positioned on the fourth substrate, one of the third electrode layer and the fourth electrode layer comprises at least two second electrode blocks arranged in an array, at least one second electrode block is correspondingly arranged in each dimming area, the orthographic projection of the first electrode block on the display panel overlaps with the orthographic projection of the second electrode block on the display panel, the second dye liquid crystal layer comprises second dye molecules and second liquid crystal molecules, the second liquid crystal molecules have a second pretilt angle, and the second pretilt angle is an included angle between the long axis direction of the second liquid crystal molecules and the plane direction of the display panel in an initial state; in the initial state, the long axis direction of the first liquid crystal molecules and the long axis direction of the second liquid crystal molecules are respectively positioned at two sides of the plane direction of the display panel.

On the other hand, the embodiment of the present invention further provides a control method of a display device, for controlling the display device according to any one of the foregoing embodiments to perform display, where the long axis direction of the first liquid crystal molecule and the long axis direction of the second liquid crystal molecule are controlled so as to enable the display device to implement multiple display modes.

According to the display device and the control method thereof provided by the embodiment of the invention, the display device comprises the display panel and the guest-host effect box assembly which are oppositely arranged, the display panel is used for displaying images, the guest-host effect box assembly is provided with at least two dimming areas which are arranged in an array manner along the plane direction of the display panel, and the light rays emitted by the display panel can be controlled by the guest-host effect box assembly through controlling the at least two dimming areas, so that the display device can be switched in various display modes.

Further, the guest-host effect cell assembly includes a first liquid crystal cell and a second liquid crystal cell sequentially disposed in a light emitting direction of the display panel, the first liquid crystal cell includes a first dye liquid crystal layer including first liquid crystal molecules and first dye molecules having the same orientation as the first liquid crystal molecules, and at least two first electrode blocks disposed in an array, the second liquid crystal cell includes a second dye liquid crystal layer including second liquid crystal molecules and second dye molecules having the same orientation as the second liquid crystal molecules, and the first dye liquid crystal layer includes a first dye liquid crystal layer and at least two first electrode blocks disposed in an array, and the second dye liquid crystal layer includes a first dye liquid crystal layer and at least two second dye liquid crystal layers disposed in an array.

Because each dimming area is correspondingly provided with at least one first electrode block and at least one second electrode block, in each dimming area, the orthographic projection of the first electrode block on the display panel overlaps with the orthographic projection of the second electrode block on the display panel, and the pretilt angle of the first liquid crystal molecules is different from the pretilt angle of the second liquid crystal molecules, when voltages are respectively configured for the first electrode structure of the area where the first electrode block is located and the second electrode structure of the area where the second electrode block is located, the first liquid crystal molecules and the second liquid crystal molecules drive corresponding dye molecules to rotate to a preset angle, and various display modes, such as dual-view display or black mode, are realized by utilizing the light absorption characteristics of the dye molecules.

Further, through setting up guest main effect box subassembly, according to the absorption characteristic of dyestuff molecule to the linearly polarized light, can effectively reduce the light crosstalk between at least two dimming areas of display device, effectual reduction display device's cross-color problem.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading the following detailed description of non-limiting embodiments, taken in conjunction with the accompanying drawings, in which like reference characters designate the same or similar features, and in which the figures are not to scale.

FIG. 1 is a top view of a display device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the display device provided by one example of FIG. 1 taken along the direction A-A;

FIG. 3 is a schematic diagram of a display panel in a dual view mode according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a display panel according to an embodiment of the present invention in another dual-view mode;

FIG. 5 is a schematic diagram of a display panel in a full view mode according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a display panel in a single viewing angle mode according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a display panel in another single viewing angle mode according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a display panel in a black mode according to an embodiment of the present invention;

FIG. 9 is a cross-sectional view of the display device provided by the alternative example of FIG. 1, taken along the A-A direction;

FIG. 10 is a cross-sectional view of the display device provided in yet another example of FIG. 1, taken along the A-A direction;

FIG. 11 is a cross-sectional view of the display device provided in yet another example of FIG. 1, taken along the A-A direction;

FIG. 12 is a schematic top view of a first liquid crystal cell and a second liquid crystal cell provided in one embodiment of the invention;

FIG. 13 is a cross-sectional view of the display device provided in yet another example of FIG. 1, taken along the A-A direction;

FIG. 14 is a cross-sectional view of the display device provided in yet another example of FIG. 1, taken along the A-A direction;

fig. 15 is a schematic structural view of a display device provided as an example;

fig. 16 is a schematic diagram illustrating a power supply principle of a first electrode block and a second electrode block of a display device in a dual viewing angle mode according to an embodiment of the present invention;

fig. 17 is a schematic structural view of a display device provided by another example;

fig. 18 is a schematic diagram showing the power supply principle of a first liquid crystal cell and a second liquid crystal cell of a display device in a dual viewing angle mode according to another embodiment of the present invention;

fig. 19 is a schematic diagram showing the power supply principle of the first liquid crystal cell and the second liquid crystal cell of the display device in the full viewing angle mode according to an embodiment of the present invention;

FIG. 20 is a diagram showing the brightness and viewing angle distribution of a display device in a full viewing angle mode according to an embodiment of the present invention;

Fig. 21 is a schematic diagram showing the power supply principle of a first liquid crystal cell and a second liquid crystal cell of a display device in a single viewing angle mode according to an embodiment of the present invention;

FIG. 22 is a schematic diagram showing the brightness and viewing angle distribution of a display device in a single viewing angle mode according to an embodiment of the present invention;

FIG. 23 is a schematic diagram showing the brightness and viewing angle distribution of a display device in a single viewing angle mode according to an embodiment of the present invention;

fig. 24 is a schematic diagram showing the power supply principle of the first liquid crystal cell and the second liquid crystal cell of the display device in the black mode according to an embodiment of the present invention.

Detailed Description

Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the specific embodiments described herein are merely configured to illustrate the invention and are not configured to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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 … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.

It will be understood that when a layer, an area, or a structure is described as being "on" or "over" another layer, another area, it can be referred to as being directly on the other layer, another area, or another layer or area can be included between the layer and the other layer, another area. And if the component is turned over, that layer, one region, will be "under" or "beneath" the other layer, another region.

Features and exemplary embodiments of various aspects of the invention are described in detail below. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

With the development of display devices, there is a further demand for display devices, for example, it is desired that the display devices can be switched in multiple display modes according to the user demand, for example, in a vehicle-mounted display, it is desired that the left and right driving do not always see the same display screen, for example, the co-driver on the right side can see some entertainment video screen, and in order to prevent the display screen from affecting the main driving on the left side, there is a demand for dual viewing angles, and it is desired that the left and right driving can see different display screens.

In order to make the display device realize double viewing angles, a grating structure is usually manufactured in a liquid crystal display box, the grating structure comprises a shading layer and a transparent area arranged between the shading layers, and light rays penetrate through the transparent area to realize double viewing angles by reasonably arranging the positions of the shading layer and the transparent area. However, the grating structure is adopted, so that the user can only use the grating structure in a dual-view mode, and the problems of color cross, color shift, incapability of switching display modes and the like are easily caused.

In order to solve the above problems, embodiments of the present invention provide a display device 1000 and a method for manufacturing the same. A control method of the display device 1000 according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2 together, fig. 1 is a top view of a display device according to an embodiment of the present invention, and fig. 2 is a cross-sectional view along A-A of the display device according to an example of fig. 1. The embodiment of the invention provides a display device 1000, which comprises a display panel 100 and a guest-host effect box assembly 200 which are oppositely arranged.

The display panel 100 is used for displaying images. The guest-host effect cell assembly 200 has at least two dimming areas TG arranged in an array along a planar direction of the display panel 100, and the guest-host effect cell assembly 200 includes a first liquid crystal cell 10 and a second liquid crystal cell 20 sequentially arranged along a light emitting direction of the display panel 100, wherein the first liquid crystal cell 10 and the second liquid crystal cell 20 are guest-host effect cells, and the first liquid crystal cell 10 and the second liquid crystal cell 20 include dye liquid crystal layers. By providing at least two dimming areas TG on the guest main effect box assembly 200, the dye liquid crystal layer in the at least two dimming areas TG can be controlled respectively to control the outgoing angle and the outgoing number of the outgoing light rays of the display panel 100, so that the display device 1000 realizes multiple display modes and the display device 1000 switches between the multiple display modes. Meanwhile, according to the absorption characteristics of dye molecules in the guest main effect box assembly 200 on linearly polarized light, the mutual crosstalk of light rays of at least two dimming areas TG of the display device 1000 can be effectively reduced, and compared with the situation that a grating structure is arranged in the display device to realize double visual angles, the display device 1000 provided by the embodiment of the invention can effectively reduce the cross-color problem and improve the display effect of the display device 1000.

The first liquid crystal cell 10 includes a first substrate 11, a second substrate 12, a first dye liquid crystal layer 13, and a first electrode structure 14, the first substrate 11 is disposed opposite to the second substrate 12, the first dye liquid crystal layer 13 is disposed between the first substrate 11 and the second substrate 12, the first electrode structure 14 includes a first electrode layer 141 disposed on the first substrate 11 and a second electrode layer 142 disposed on the second substrate 12, one of the first electrode layer 141 and the second electrode layer 142 includes at least two first electrode blocks 143 disposed in an array along a plane direction of the display panel 100, each first electrode block 143 may be individually controlled, for example, each first electrode block 143 may be individually powered, and the other of the first electrode layer 141 and the second electrode layer 142 may be an entire electrode, thereby simplifying a wiring structure of the first liquid crystal cell 10, wherein each light modulation region TG is correspondingly provided with at least one first electrode block 143, and individual control of the first dye liquid crystal layer 13 within each light modulation region TG is achieved by individual control of each first electrode block 143. The first dye liquid crystal layer 13 includes first dye molecules 132 and first liquid crystal molecules 131, the first liquid crystal molecules 131 having a first pretilt angle, which is an angle between a long axis direction of the first liquid crystal molecules 131 and a plane direction of the display panel 100 in an initial state, and the first dye molecules 132 and the first liquid crystal molecules 131 are aligned to be the same such that the first dye molecules 132 and the first liquid crystal molecules 131 have the same first pretilt angle. The initial state may be an initial alignment state when the first liquid crystal molecules 131 are not subjected to an electric field. The first electrode layer 141 is taken as a whole electrode, and the second electrode layer 142 includes at least two first electrode blocks 143.

Through reasonable setting of the first pretilt angle of the first liquid crystal molecule 131, the first liquid crystal molecule 131 can be enabled to deflect to a preset angle along the inclination direction of the first liquid crystal molecule 131 when being acted by an electric field, through setting of the first electrode layer 141 on the first substrate 11 and setting of the second electrode layer 142 on the second substrate 12, when power is supplied between the first electrode layer 141 and the second electrode layer 142, an electric field perpendicular to the plane direction of the display panel 100 can be formed, and under the action of the electric field, the first liquid crystal molecule 131 drives the first dye molecule 132 to deflect synchronously, so that the first dye molecule 132 can effectively absorb and transmit light emitted by the display panel 100, and accordingly the light emitting angle of the display device 1000 is regulated and controlled.

The second liquid crystal cell 20 includes a third substrate 21, a fourth substrate 22, a second dye liquid crystal layer 23, and a second electrode structure 24, the third substrate 21 is disposed opposite to the fourth substrate 22, the second dye liquid crystal layer 23 is disposed between the third substrate 21 and the fourth substrate 22, the second electrode structure 24 includes a third electrode layer 241 disposed on the third substrate 21 and a fourth electrode layer 242 disposed on the fourth substrate 22, one of the third electrode layer 241 and the fourth electrode layer 242 includes at least two second electrode blocks 243 disposed along a planar direction array of the display panel 100, each second electrode block 243 may be individually controlled, for example, each second electrode block 243 may be individually powered, the other of the third electrode layer 241 and the fourth electrode layer 242 may be an entire electrode, thereby simplifying a wiring structure of the second liquid crystal cell 20, and each light-adjusting region TG is correspondingly provided with at least one second electrode block 243, thereby enabling individual control of the second dye liquid crystal layer 23 within each light-adjusting region TG by individual control of each second electrode block 243. In each dimming area TG, the front projection of the first electrode block 143 on the display panel 100 overlaps the front projection of the second electrode block 243 on the display panel 100, so that the first electrode block 143 and the second electrode block 243 are matched with each other to realize the regulation of the outgoing light of the display panel 100, and it should be noted that the number of the first electrode blocks 143 and the number of the second electrode blocks 243 in each dimming area TG may be the same or different, so long as the front projection of the first electrode block 143 on the display panel 100 overlaps the front projection of the second electrode block 243 on the display panel 100. The third electrode layer 241 is taken as a whole electrode, and the fourth electrode layer 242 includes at least two second electrode blocks 243.

The second dye liquid crystal layer 23 in the second liquid crystal cell 20 includes second dye molecules 232 and second liquid crystal molecules 231, and the second liquid crystal molecules 231 have a second pretilt angle, which is an angle between a long axis direction of the second liquid crystal molecules 231 and a plane direction of the display panel 100 in an initial state. The second dye molecules 232 and the second liquid crystal molecules 231 are aligned the same such that the second dye molecules 232 and the second liquid crystal molecules 231 have the same second pretilt angle. The initial state may be an initial alignment state when the second liquid crystal molecules 231 are not subjected to an electric field. By setting the second pretilt angle, the second liquid crystal molecules 231 can be rapidly deflected to a predetermined angle along the tilt direction of the second liquid crystal molecules 231 when being subjected to the action of the electric field, and by setting the third electrode layer 241 on the third substrate 21 and setting the fourth electrode layer 242 on the fourth substrate 22, when power is supplied between the third electrode layer 241 and the fourth electrode layer 242, an electric field perpendicular to the plane direction of the display panel 100 can be formed, and under the action of the electric field, the second liquid crystal molecules 231 drive the second dye molecules 232 to deflect synchronously, so that the second dye molecules 232 can effectively absorb and transmit the light emitted by the display panel 100, thereby regulating the light emitting angle of the display device 1000.

In the embodiment of the present invention, in the initial state, the long axis direction of the first liquid crystal molecules 131 and the long axis direction of the second liquid crystal molecules 231 are respectively located at both sides of the direction perpendicular to the plane of the display panel 100, that is, the first pretilt angle and the second pretilt angle are different. Through the above arrangement, when the first liquid crystal molecule 131 and the second liquid crystal molecule 231 are subjected to the electric field, the deflection directions of the first liquid crystal molecule 131 and the second liquid crystal molecule 231 are different, so that the deflection directions of the first dye molecule 132 and the second dye molecule 232 are different, and the emergent light in different directions is adjusted, for example, when the first dye molecule 132 transmits the light emergent along the left side and absorbs the light emergent along the right side, the second dye molecule 232 transmits the light emergent along the right side and absorbs the light emergent along the left side, so that the display device 1000 can realize the dual viewing angle mode.

It should be noted that, the angle between the vertical projection of the long axis of the first liquid crystal molecule 131 on the preset plane and the vertical projection of the long axis of the second liquid crystal molecule 231 on the preset plane is 180 °, the preset plane is a plane parallel to the display panel, so that the dual viewing angle of the display device, such as the left viewing angle and the right viewing angle, i.e. the crosstalk between the two opposite viewing angles is smaller, the dual viewing angle display quality is better, the angle between the vertical projection of the long axis of the first liquid crystal molecule 131 on the preset plane and the vertical projection of the long axis of the second liquid crystal molecule 231 on the preset plane may also be an acute angle or an obtuse angle, and the two viewing angles of the dual viewing angle display are not arranged relatively, but are still acute angles or obtuse angles, so that the display of the two viewing angles can still be realized, and therefore, the angle range of the dual viewing angles is set according to the actual requirement, and the present invention is not limited.

It should be noted that, when the co-driver on the right side views some entertainment videos, the display device 1000 provided in the embodiment of the present invention may be applied to vehicle-mounted display, and in order to prevent the co-driver on the left side from being affected in driving the vehicle, the screen of the display device 1000 on the co-driver position on the right side should not be observed by the main driver. Of course, the embodiment of the invention can be applied to vehicle-mounted display and also can be applied to a single-view mode in which pictures under a single-side view are not peeped.

The working principle of the guest-host effect box in the embodiment of the invention is described below.

Since the liquid crystal molecules (including the first and second liquid crystal molecules 131 and 231) have dielectric and refractive index anisotropies, the alignment direction of the liquid crystal molecules can be changed by the electric field effect, and although the dye molecules (including the first and second dye molecules 132 and 232) have no dielectric anisotropy, that is, the dye molecules are not controlled by the electric field, when the dye molecules are dissolved in the aligned liquid crystal molecule main body, the dye molecules will be "guest-host", aligned with the liquid crystal molecules in the same direction, and at this time, the first liquid crystal molecules 131 are aligned with the first dye molecules 132 and the second liquid crystal molecules 231 are aligned with the second dye molecules 232 in the same direction. Under the action of an electric field, the liquid crystal molecules can deflect at a certain angle as a main body or a parent body, and the dye molecules can deflect at the same angle as a guest or a guest body along with the deflection of the liquid crystal molecules, so that the characteristic that the guest changes along with the main body is shown. And dye molecules exhibit different degrees of absorption and transmission characteristics for linearly polarized light in different directions. For example, when the polarization (vibration) direction of the linearly polarized light or the linearly polarized light component emitted from the display panel 100 is perpendicular to the long axis direction of the negative dye molecule, light is absorbed by the negative dye molecule, and when the polarization (vibration) direction of the linearly polarized light or the linearly polarized light component emitted from the display panel 100 is parallel to the long axis direction of the negative dye molecule, the negative dye molecule can transmit the polarized light or the polarized light component. Based on this, by providing the guest-host effect box, the light-emitting direction of the display panel 100 can be adjusted to the light-emitting amount and the light-emitting angle, thereby realizing switching of the plurality of display modes of the display device 1000.

Since the liquid crystal molecules are capable of driving the dye molecules to deflect when subjected to an electric field, so as to adjust the outgoing light, the first electrode structure 14 and the second electrode structure 24 need to be reasonably arranged to provide a reasonable electric field. Referring to fig. 3 and fig. 4, fig. 3 is a schematic structural diagram of a display panel in a dual viewing angle mode according to an embodiment of the present invention, and fig. 4 is a schematic structural diagram of a display panel in a dual viewing angle mode according to an embodiment of the present invention, in some embodiments, after a first preset voltage is configured on a first electrode structure 14 of a region where a first electrode block 143 is located and a second electrode structure 24 of a region where a second electrode block 243 is located, a long axis direction of a deflected first liquid crystal molecule 131 and a deflected second liquid crystal molecule 231 is different, at this time, light emitted from the display panel 100 is transmitted through the first liquid crystal molecule 131 and the second liquid crystal molecule 231, and an absorption effect of the first dye molecule 132 and the second dye molecule 232 on the light is matched, so that an emission angle of the light passing through the guest host effect box assembly 200 is different, and the display device 1000 can realize the dual viewing angle mode. As shown in fig. 3, in the dual view mode, the first electrode block 143 and the second electrode block 243 located in the same dimming zone TG are not simultaneously configured with the same voltage. Through the above arrangement, the voltages are respectively configured by the first electrode block 143 and the second electrode block 243, and different dimming areas TG of the display device 1000 can be respectively regulated and controlled, so that the first liquid crystal cell 10 and the second liquid crystal cell 20 are mutually matched, and the switching of multiple display modes of the display device 1000 is realized. The first electrode block 143 and the second electrode block 243 positioned in the same dimming area TG are not configured with the same voltage at the same time, so that one of the liquid crystal boxes can be used for transmitting light, and the other liquid crystal box can regulate and control the emergent angle of the light, so that the light is prevented from being absorbed or transmitted simultaneously when the two liquid crystal boxes are matched with the same voltage simultaneously, and the realization of the dual-view mode of the display device 1000 is affected.

In particular, as shown in fig. 3, the guest-host effect cell assembly 200 may include two dimming regions TG, in which the first electrode structure 14 in the region where the first electrode block 143 is located is configured with a first preset voltage, and the second electrode structure 24 in the region where the second electrode block 243 is located in the same dimming region TG is not configured with a voltage, and at this time, the long axis direction of the first liquid crystal molecules 131 located in the left dimming region TG forms a predetermined angle with the plane direction of the display panel 100, for example, the long axis direction of the first liquid crystal molecules 131 is +45° with the plane direction of the display panel 100, and in the left dimming region TG, the light emitted from the display panel 100 is emitted in the direction parallel to the long axis direction of the first liquid crystal molecules 131 after passing through the first liquid crystal cell 10 and the second liquid crystal cell 20. In the adjacent right light modulation region TG, the first electrode structure 14 of the region where the first electrode block 143 is located is not arranged with a voltage, the second electrode structure 24 of the region where the second electrode block 243 is arranged with a voltage of a first preset voltage, and at this time, the long axis direction of the second liquid crystal molecules 231 located in the right light modulation region TG is at a predetermined angle to the plane direction of the display panel 100, for example, -45 ° between the long axis direction of the first liquid crystal molecules 131 and the plane direction of the display panel 100, and in the right light modulation region TG, the light emitted from the display panel 100 is emitted in the direction parallel to the long axis direction of the second liquid crystal molecules 231 after passing through the first liquid crystal cell 10 and the second liquid crystal cell 20, and the long axis directions of the first liquid crystal molecules 131 and the second liquid crystal molecules 231 are different, so that the display panel 100 realizes the dual viewing angle display mode. Herein, where +45° and-45 ° respectively denote the long axes of the first liquid crystal molecules 131 and the long axes of the second liquid crystal molecules 231 are respectively located at both sides in a direction perpendicular to the plane of the display panel 100.

Alternatively, as shown in fig. 4, the guest-host effect box assembly 200 may include a plurality of dimming areas TG, each dimming area TG and a sub-pixel PX on the display panel 100, the sub-pixel PX has a structure defined by a scan line and a data line, and in two adjacent dimming areas TG, the first electrode structure 14 in the area where the first electrode block 143 is located configures a first preset voltage, and the second electrode structure 24 in the area where the second electrode block 243 is located configures the first preset voltage. In the same dimming region TG, the first electrode structure 14 of the region where the first electrode block 143 is located is configured with a first preset voltage, and the second electrode structure 24 of the second electrode block 243 is not configured with a voltage. At this time, the sub-pixels PX of the interlace lines or the barrier lines may be combined to form a dual viewing angle image, thereby realizing dual viewing angle display.

The dual view is displayed as a screen displayed at the first view M1 and the second view M1, for example, as shown in fig. 3 and 4, the first display screen can be seen at the first view M1, the second display screen can be seen at the second view M1, and the content of the first display screen and the content of the second display screen may be the same or different, and may be set according to the user's needs.

Optionally, the first viewing angle M1 is a left viewing angle, and the second viewing angle M2 is a right viewing angle. In the embodiment of the present invention, the positions of the first viewing angle M1 and the second viewing angle M2 correspond to the long axis direction of the first liquid crystal molecule 131 and the long axis direction of the second liquid crystal molecule 231 in the initial state, respectively, alternatively, the first viewing angle M1 may correspond to the long axis direction of the first liquid crystal molecule 131 in the initial state, and the second viewing angle M2 may correspond to the long axis direction of the second liquid crystal molecule 231 in the initial state. When the first electrode structure 14 and the second electrode structure 24 are configured with a first preset voltage for deflecting the liquid crystal molecules, the first liquid crystal molecules 131 drive the first dye molecules 132 to rotate along the oblique direction of the long axis of the first liquid crystal molecules 131, and the second liquid crystal molecules 231 drive the dyed second material molecules to rotate along the oblique direction of the long axis of the second liquid crystal molecules 231 to a predetermined angle, and the first dye molecules 132 and the second dye molecules 232 absorb the linearly polarized light component perpendicular to the long axis direction of the dye molecules 22 and transmit the linearly polarized light component parallel to the long axis direction of the dye molecules, so that the dual-view display is realized. In the dual viewing angle display, the rotation angle of the liquid crystal molecules can be set according to the specific positions of the first viewing angle M1 and the second viewing angle M2.

Since the liquid crystal molecules include positive liquid crystal molecules and negative liquid crystal molecules, the dye molecules include positive dye molecules and negative dye molecules, and the dielectric constant in the long axis direction of the positive liquid crystal molecules is larger than that in the short axis direction, the long axis direction of the positive liquid crystal molecules can be deflected in parallel to the electric field direction when the positive liquid crystal molecules are controlled by the electric field, and at this time, the long axis of the positive liquid crystal molecules can be parallel to the electric field direction when the positive liquid crystal molecules are subjected to a large electric field. The dielectric constant in the long axis direction of the negative liquid crystal molecules is smaller than that in the short axis direction, so that the long axis direction of the negative liquid crystal molecules can deflect along the direction perpendicular to the electric field when the negative liquid crystal molecules are controlled by the electric field, and at the moment, when the positive liquid crystal molecules are subjected to a larger electric field, the long axis of the positive liquid crystal molecules can be parallel to the direction of the electric field. When the polarization (vibration) direction of the linearly polarized light or the linearly polarized light component emitted from the display panel 100 is parallel to the long axis direction of the positive dichroic dye molecule, the light is absorbed by the positive dichroic dye molecule, that is, the positive dichroic dye molecule in the guest main effect box according to the embodiment of the present invention is used to absorb the linearly polarized light or the linearly polarized light component with the polarization direction parallel to the long axis direction of the positive dichroic dye molecule, and the linearly polarized light or the linearly polarized light component with the polarization direction perpendicular to the long axis direction of the positive dichroic dye molecule is transmitted. When the polarization (vibration) direction of the linearly polarized light or the linearly polarized light component emitted from the display panel 100 is perpendicular to the long axis direction of the negative dichroic dye molecule, the light is absorbed by the negative dichroic dye molecule, and when the polarization (vibration) direction of the linearly polarized light or the linearly polarized light component emitted from the display panel 100 is parallel to the long axis direction of the negative dichroic dye molecule, the negative dichroic dye molecule can transmit the polarized light or the polarized light component.

The materials of the first dye molecules 132 in the first dye liquid crystal layer 13 include: one or a combination of azo, anthraquinone, cyanine, methine, benzoquinone, quinate, naphthoquinone, tetranitrogen derivative, styrene, azomethine, and benzene snore; second dye molecules 232 in the second dye liquid crystal layer 23, the material of the second dye molecules 232 includes: azo, anthraquinone, cyanine, methine, benzoquinone, quinate, naphthoquinone, tetranitrogen derivative, styrene, azomethine, and benzene snore. The materials and the combination ratio of the first dye molecule 132 and the second dye molecule 232 are not limited in the embodiment of the present invention.

Based on this, the first liquid crystal molecule 131 and the second liquid crystal molecule 231 may be both negative liquid crystal molecules, and the first dye molecule 132 and the second dye molecule 232 may also be negative dichroic dye molecules. Alternatively, the first and second liquid crystal molecules 131 and 231 may be both positive liquid crystal molecules, and the first and

second dye molecules

132 and 232 may be positive dichroic dye molecules. By matching the reasonably configured liquid crystal molecules with the dye molecules, the guest-host effect box assembly 200 can achieve a better dimming effect. Specifically, the liquid crystal molecules and the dye molecules may have a rod-like structure.

It will be appreciated that when the liquid crystal molecules are positive liquid crystal molecules, the dye molecules may also be negative dichroic dye molecules; when the liquid crystal molecules are negative liquid crystal molecules, the dye molecules may also be positive dichroic dye molecules as long as dual viewing angle display can be achieved. The types of the first liquid crystal molecules 131, the second liquid crystal molecules 132, the types of the first dye molecules 132 and the second dye molecules 232, and the combination modes and the combination proportions of the first dye molecules and the second dye molecules are not limited in the embodiments of the present invention.

Since the principle of the two-view display is similar to that of the two-view display realized by the coordination of the different types of liquid crystal molecules and the dye molecules, the description will be given by taking the example that the first liquid crystal molecule 131 and the second liquid crystal molecule 132 are both negative liquid crystal molecules and the first dye molecule 132 and the second dye molecule 232 are both negative dye molecules.

As shown in fig. 3 and 4, in some embodiments, in the dual viewing angle mode, in the same light modulation region TG, one of the long axis direction of the first liquid crystal molecule 131 and the long axis direction of the second liquid crystal molecule 231 is perpendicular to the plane direction of the display panel 100, and the other is at a predetermined angle to the plane direction of the display panel 100, it should be noted that one of the long axis direction of the first liquid crystal molecule 131 and the long axis direction of the second liquid crystal molecule 231 is perpendicular to the plane direction of the display panel 100 may mean that the long axis direction of the first liquid crystal molecule 131 and the second liquid crystal molecule 231 is substantially perpendicular to the plane direction of the display panel 100, for example, the long axis direction of the first liquid crystal molecule 131 and the second liquid crystal molecule 231 is inclined less from the plane direction of the display panel 100 along a direction perpendicular to the plane direction of the display panel 100. Through the above arrangement, the light emitted from the display panel 100 can be transmitted along the direction parallel to the long axis direction of the liquid crystal molecules under the control of the two liquid crystal cells in the dimming area TG.

Further, in the dual viewing angle mode, in the adjacent dimming regions TG, the long axis direction of the first liquid crystal molecules 131 in the first liquid crystal cell 10 and the long axis direction of the second liquid crystal molecules 231 in the second liquid crystal cell 20 are different, and are respectively located at both sides perpendicular to the plane direction of the display panel 100, for example, the first dimming region TG located at the left side and the second dimming region TG located at the right side in fig. 3 are adjacent, and in the first dimming region TG, the long axis direction of the first liquid crystal molecules 131 is at a preset angle to the plane direction of the display panel 100, and the long axis direction of the second liquid crystal molecules 231 is perpendicular to the plane direction of the display panel 100. In the second dimming region TG, the long axis direction of the first liquid crystal molecules 131 is perpendicular to the plane direction of the display panel 100, and the long axis direction of the second liquid crystal molecules 231 is at a predetermined angle to the plane direction of the display panel 100.

When the first and second liquid crystal molecules 131 and 231 are both negative liquid crystal molecules, in some embodiments, in the dual viewing angle mode, one of the first and second electrode blocks 143 and 243 located within the same dimming region TG configures a first preset voltage, and the other configures no voltage. Through the above arrangement, the first liquid crystal cell 10 and the second liquid crystal cell 20 are made to cooperate with each other to realize the display device 1000 double viewing angle display. Alternatively, when the first and second liquid crystal molecules 131 and 231 are both positive liquid crystal molecules, in the dual viewing angle mode, one of the first and second electrode blocks 143 and 243 located in the same dimming region TG configures a first preset voltage, and the other configures a second preset voltage, which is greater than the first preset voltage.

Referring to fig. 5, fig. 5 is a schematic structural diagram of a display panel in a full view mode according to an embodiment of the invention, in some embodiments, the display device 1000 can also implement a full view mode, in which a first pretilt angle is 89.9 ° to 80 °, and a second pretilt angle is 89.9 ° to 80 °. Through reasonable setting of the first pretilt angle, the first liquid crystal molecules 131 drive the first dye molecules 132 to rotate according to the first pretilt angle direction, as in fig. 3, the first liquid crystal molecules 131 rotate anticlockwise, and the second liquid crystal molecules 231 rotate clockwise, and by setting of the reasonable pretilt angle, the reaction time of the liquid crystal molecules 21 when being subjected to the action of an electric field can be shortened. Meanwhile, by setting the reasonable first pretilt angle and the reasonable second pretilt angle, the light loss of the display device 1000 in the full view angle mode can be reduced, and the display brightness of the display device 1000 can be improved.

In order to make the first liquid crystal molecule 131 have a first pretilt angle and the second liquid crystal molecule 231 have a second pretilt angle, in some embodiments, please continue to refer to fig. 2, the first liquid crystal cell 10 further includes a first alignment layer 15 and a second alignment layer 16, the first alignment layer 15 is located on a side of the first electrode layer 141 facing the first dye liquid crystal layer 13, and the second alignment layer 16 is located on a side of the second electrode layer 142 facing the first dye liquid crystal layer 13. The second liquid crystal cell 20 further includes a third alignment layer 25 and a fourth alignment layer 26, the third alignment layer 25 is located on a side of the third electrode layer 241 facing the second dye liquid crystal layer 23, the fourth alignment layer 26 is located on a side of the fourth electrode layer 242 facing the second dye liquid crystal layer 23, optionally, the first alignment layer 15 and the second alignment layer 16 are in the same direction and are all vertically aligned, and the third alignment layer 25 and the fourth alignment layer 26 are in the same direction and are all vertically aligned, such that the liquid crystals in the first liquid crystal cell 10 and the second liquid crystal cell 20 are all vertically aligned (vertical alignment, VA) display modes. It will be appreciated that, alternatively, the first alignment layer 15 and the second alignment layer 16 may be horizontally aligned, and the third alignment layer 25 and the fourth alignment layer 26 may be vertically aligned, and the photo-alignment and the alignment layers in the first liquid crystal cell 10 and the second liquid crystal cell 20 are the same and are both vertically aligned are described herein as an example.

With continued reference to fig. 5, in some embodiments, in the full view mode, no voltage is configured between the first electrode structure 14 and the second electrode structure 24, and at this time, the first liquid crystal molecule 131 and the second liquid crystal molecule 231 are in a standing state, and accordingly, the first dye molecule 132 and the second dye molecule 232 are in a standing state, so that the light emitted from the display panel 100 can be uniformly emitted to all directions. It can be understood that when the first liquid crystal molecules 131 and the second liquid crystal molecules 231 are both positive liquid crystal molecules, the second preset voltage is configured on both the first electrode structure 14 and the second electrode structure 24, so that the first liquid crystal molecules 131 and the second liquid crystal molecules 231 are both in a standing state.

In some embodiments, when no voltage is applied to both the first electrode structure 14 and the second electrode structure 24, the long axis direction of the liquid crystal molecules in the first dye liquid crystal layer 13 is different from the long axis direction of the liquid crystal molecules in the second dye liquid crystal layer 23, that is, in the initial state, the first pretilt angle of the first liquid crystal molecule 131 is different from the second pretilt angle direction of the second liquid crystal molecule 231, so that the first liquid crystal molecule 131 and the second liquid crystal molecule 231 can deflect to different angles when subjected to the electric field, thereby enabling the display device 1000 to realize dual viewing angle display.

In order to deflect the first liquid crystal molecules 131 and the second liquid crystal molecules 231 to the same angle when subjected to the same electric field, in order to control the first liquid crystal cell 10 and the second liquid crystal cell 20, in some embodiments, when neither the first electrode structure 14 nor the second electrode structure 24 is configured with a voltage, the long axis direction of the liquid crystal molecules in the first dye liquid crystal layer 13 and the long axis direction of the liquid crystal molecules in the second dye liquid crystal layer 23 are symmetrically arranged about a symmetry axis extending in a direction perpendicular to the plane of the display panel 100. Through the above arrangement, the angles of the first pretilt angle and the second pretilt angle are the same, and the directions are different, so that when the same voltage is applied between the first electrode structure 14 and the second electrode structure 24, the rotation angle of the first liquid molecules driving the first dye molecules 132 and the deflection angle of the second liquid crystal molecules 231 driving the second dye molecules 232 are the same, so that the angles of the first viewing angle M1 and the second viewing angle M2 in the dual viewing angle mode are the same.

Referring to fig. 6 and fig. 7, fig. 6 is a schematic structural diagram of a display panel in a single viewing angle mode according to an embodiment of the present invention, and fig. 7 is a schematic structural diagram of a display panel in another single viewing angle mode according to an embodiment of the present invention. In some embodiments, the display device 1000 can also realize a single viewing angle mode in which one of the long axis direction of the first liquid crystal molecules 131 and the long axis direction of the second liquid crystal molecules 231 is perpendicular to the plane direction of the display panel 100, and the other is at a predetermined angle to the plane direction of the display panel 100. Through the above arrangement, the display device 1000 can realize a private mode, preventing peeping by others.

In some embodiments, in the single view mode, one of the first electrode structure 14 and the second electrode structure 24 is configured with a first predetermined voltage, and the other is not configured with a voltage. In a specific implementation, as shown in fig. 6, a first preset voltage may be configured between all the second electrode blocks 243 and the third electrode layers 241, and no voltage may be configured for the first electrode structure 14, so that light emitted by the display device 1000 exits along the right side of the display device 1000, and a right single viewing angle display is implemented. Alternatively, as shown in fig. 7, a first preset voltage may be configured between all the first electrode blocks 143 and the first electrode layer 141, and no voltage may be configured for the second electrode structure 24, so that light emitted from the display device 1000 exits along the left side of the display device 1000, thereby realizing left-side single viewing angle display. Through the arrangement, the direction of the single visual angle can be conveniently and independently adjusted, and the privacy requirement of a user is met.

The display device 1000 is also capable of realizing a black mode by varying the electric field disposed at the first electrode structure 14 and the second electrode structure 24. Referring to fig. 8, fig. 8 is a schematic structural diagram of a display panel in a black mode according to an embodiment of the invention, in the black mode, when the first liquid crystal molecules 131 and the second liquid crystal molecules 231 are both negative liquid crystal molecules, second preset voltages are respectively configured on the first electrode structure 14 and the second electrode structure 24, and the long axis direction of the first liquid crystal molecules 131 is the same as the long axis direction of the second liquid crystal molecules 231 and is parallel to the plane direction of the display panel 100, wherein the second preset voltages are greater than the first preset voltages.

In some embodiments, the second preset voltage is 3.5V to 7V. The second preset voltage may be set according to a type of the liquid crystal molecule, and optionally, the second preset voltage may be greater than or equal to 6V. By reasonably setting the first preset voltage and the second preset voltage, the display device 1000 can be switched in multiple display modes.

With continued reference to fig. 2 to 8, in some embodiments, in each dimming region TG, the number of first electrode blocks 143 is the same as the number of second electrode blocks 243, and the front projection of each first electrode block 143 on the display panel 100 overlaps with the front projection of each second electrode block 243 on the display panel 100. With the above arrangement, the deflection of the liquid crystal molecules in the corresponding light modulation region TG is conveniently controlled by the number of the first electrode blocks 143 and the second electrode blocks 243, and the fabrication of the first liquid crystal cell 10 and the second liquid crystal cell 20 is facilitated.

Referring to fig. 9, fig. 9 is a cross-sectional view of a display device along A-A provided by another example of fig. 1, in order to realize a dual viewing angle display, a guest-host effect cell assembly 200 may include two dimming regions TG, a first electrode structure 14 including two first electrode blocks 143, and a second electrode structure 24 including two second electrode blocks 243, one dimming region TG being provided with one first electrode block 143 and one second electrode block 243. Through the above arrangement, the display device 1000 may implement split-screen display, for example, the left half screen of the display panel 100 is used for displaying a first image, the right half screen is used for displaying a second image, and the first display image and the second display image respectively exit to the areas where the first viewing angle M1 and the second viewing angle M2 are located after passing through the guest main effect box assembly 200.

Referring to fig. 10 and 11, fig. 10 is a cross-sectional view of a display device provided in still another example of fig. 1 along A-A, and fig. 11 is a cross-sectional view of a display device provided in still another example of fig. 1 along A-A. In some embodiments, the display panel 100 includes a plurality of sub-pixels PX arranged in an array along a plane direction of the display panel 100, and the number of sub-pixels PX corresponding to each dimming region TG is the same. Through the above arrangement, the display device 1000 is enabled to display uniform images in each viewing angle in the dual-viewing angle mode, the display effect approaches, and the display images in the first viewing angle M1 and the second viewing angle M2 can be controlled conveniently by reasonably setting the number of the corresponding sub-pixels PX in each dimming area TG, so that the switching of a plurality of display modes of the display device 1000 is facilitated.

Illustratively, as shown in fig. 4, the dimming regions TG are in one-to-one correspondence with the sub-pixels PX. At this time, each dimming area TG corresponds to one sub-pixel PX, and at this time, the first electrode block 143 and the second electrode block 243 may also respectively correspond to the sub-pixels PX one by one, and by supplying power to the first electrode structure 14 in the area where the first electrode block 143 is located and supplying power to the second electrode structure 24 in the area where the second electrode block 243 is located, the adjustment of the emitted light of each sub-pixel PX is achieved, so that the display picture of the display device 1000 in multiple display modes is finer, for example, in the dual viewing angle mode, so that the dual viewing angle picture display is more compact and uniform. It will be appreciated that, as shown in fig. 10, the guest-host effect box assembly 200 may include two dimming regions TG, and the number of the first electrode blocks 143 and the second electrode blocks 243 included in each dimming region TG may be different, for example, in fig. 10, the second liquid crystal cell 20 includes two second electrode blocks 243, and in the same dimming region TG, the first electrode blocks 143 in the first liquid crystal cell 1 are in one-to-one correspondence with the sub-pixels PX, and in this arrangement, dual viewing angle display can be also realized.

Referring to fig. 12, fig. 12 is a schematic top view of a first liquid crystal cell and a second liquid crystal cell according to an embodiment of the present invention, and in some embodiments, the first liquid crystal cell 10 further includes a first control circuit 17, where the first control circuit 17 is electrically connected to the first electrode block 143 for gating the first electrode block 143; and/or the second liquid crystal cell 20 further comprises a second control circuit 27, the second control circuit 27 being electrically connected to the second electrode block 243 for gating the second electrode block 243. With the above arrangement, the control of the deflection direction of the liquid crystal molecules in the liquid crystal cell by the control circuit is facilitated.

In a specific implementation, when the number of the first electrode blocks 143 is large, in order to accurately control the power supply condition of the first electrode blocks 143, the first liquid crystal cell 10 may include the first control circuit 17, and when the number of the second electrode blocks 243 is large, the second liquid crystal cell 20 may include the second control circuit 27. When the number of the first electrode blocks 143 is two, two wires may be provided to supply power to the first electrode blocks 143, and when the number of the second electrode blocks 243 is two, two wires may be provided to supply power to the second electrode blocks 243 to simplify the structure of the display apparatus 1000.

In some embodiments, the first liquid crystal cell 10 further includes a first control circuit 17, the second liquid crystal cell 20 further includes a second control circuit 27, the first control circuit 17 includes a first transistor T1, a first end of the first transistor T1 is electrically connected to the first electrode block 143, the second control circuit 27 includes a second transistor T2, a first end of the second transistor T2 is electrically connected to the second electrode block 243, and the first electrode layer 141 and the third electrode layer 243 are connected to the common voltage signal terminal Vcom. Wherein the first transistor T1 and the second transistor T2 may be thin film transistors (Thin Film Transistor, TFT) to enable active control of the first liquid crystal cell 10 and the second liquid crystal cell 20. Through the above arrangement, it is convenient to accurately control the power supply conditions of the first electrode block 143 and the second electrode block 243, so as to realize various display modes and accurate switching of the display device 1000.

For separate control of the single first electrode block 143 and the single second electrode block 243, in some embodiments, the first liquid crystal cell 10 further includes a first scan line 181 and a first data line 182, the first scan line 181 is electrically connected to the control terminal of the first transistor T1, the first data line 182 is electrically connected to the second terminal of the first transistor T1, the second liquid crystal cell 20 further includes a second scan line 281 and a second data line 282, the second scan line 281 is electrically connected to the control terminal of the second transistor T2, and the second data line 282 is electrically connected to the second terminal of the second transistor T2. The first scan line 181 and the second scan line 281 extend in a first direction, and the first data line 182 and the second data line 282 extend in a second direction, and the first direction crosses the second direction, alternatively, the first direction may be a row direction of the display device 1000, and the second direction may be a column direction of the display device 1000.

Referring to fig. 13, fig. 13 is a cross-sectional view of the display device provided in the further example of fig. 1 along A-A, in some embodiments, the first liquid crystal cell 10 further includes a first circuit board 183 electrically connected to the first scan line 181 and the first data line 182, the second liquid crystal cell 20 further includes a second circuit board 283 electrically connected to the second scan line 281 and the second data line 282, the display panel 100 includes a signal line and a third circuit board 101 connected to the signal line, the display device 1000 includes a control unit 400, and the control unit 400 is electrically connected to the first circuit board 183, the second circuit board 283, and the third circuit board 101, respectively. With the above arrangement, the control of the display pictures of the first liquid crystal cell 10, the second liquid crystal cell 20 and the display panel 100 by the control unit 400 is facilitated, and the dual viewing angle display is facilitated. The control unit 400 may be an integrated circuit (Integrated circuit, IC) chip, the first, second and

third circuit boards

183, 283 and 101 may be all (Flexible Printed Circuit, FPC), the first, second and

third circuit boards

183, 283 and 101 may be electrically connected to one general FPC, and then the IC chip may be bonded to the general FPC, or the IC chip may be directly bonded to a substrate of the display panel 100.

With continued reference to fig. 9, in some embodiments, the first substrate 11, the second substrate 12, the third substrate 21, and the fourth substrate 22 are sequentially disposed at intervals, and an adhesive layer 40 is disposed between the second substrate 12 and the third substrate 21 to connect the first liquid crystal cell 10 and the second liquid crystal cell 20. Alternatively, as shown in fig. 10, the second substrate 12 is multiplexed as the third substrate 21, and the first substrate 11, the second substrate 12, and the fourth substrate 22 are sequentially arranged at intervals, so that the thickness of the display device 1000 can be reduced by the arrangement, and the display device 1000 can be made thinner. Alternatively, the adhesive layer 40 may be a light-transmitting optical resin adhesive (Optical Clear Resin, OCR) or a transparent optical adhesive (Optically Clear Adhesive, OCA) or other adhesive means with the same fixing effect to fix the display panel 100 and the guest main effect box assembly 200, and may also be other fixing means, which are not described in detail in the embodiments of the present invention.

When the display panel 100 is a liquid crystal display panel, in some embodiments, the display device 1000 further includes a backlight module 300 located on a backlight side of the display panel 100, and the backlight module 300 provides a backlight source for the liquid crystal display panel, so that the display panel 100 can emit light for display. And because the embodiment of the invention comprises at least two dimming areas TG, the partition control function of the backlight module 300 can be further realized, and the display quality is improved.

Alternatively, as shown in fig. 10, the backlight module 300, the display panel 100 and the guest-host effect box assembly 200 are sequentially disposed along the light emitting direction of the display panel 100.

Alternatively, as shown in fig. 11, when the number of the first electrode blocks 143 and the second electrode blocks 243 is small, for example, the number of the first electrode blocks 143 and the second electrode blocks 243 is two, the backlight module 300, the first liquid crystal cell 10, the display panel 100, and the second liquid crystal cell 20 are sequentially disposed along the light emitting direction of the display panel 100, and the display panel 100 is sandwiched between the first liquid crystal cell 10 and the second liquid crystal cell 20.

Alternatively, as shown in fig. 14, fig. 14 is a cross-sectional view of the display device provided in the further example of fig. 1 along the A-A direction, and the backlight module 300, the guest main effect box assembly 200, and the display panel 100 are sequentially disposed along the light emitting direction of the display panel 100, thereby implementing a plurality of display modes of the display device 1000.

Based on the display device 1000 shown In fig. 14, at this time, the backlight module 300, the guest-host effect box assembly 200 and the display panel 100 are sequentially disposed along the light emitting direction of the display panel 100, at this time, the operator is closer to the display panel 100, and a touch layer can be integrated inside the display panel 100, so that the display panel 100 is a touch display panel 100, for example, the display panel 100 can be an In Cell (In Cell) touch display panel.

As the dye molecules can absorb the linearly polarized light, in order to better realize the dual-view or single-view display, please further refer to fig. 9 and 10, in some embodiments, the display device 1000 further includes a linear polarizer 30, and the linear polarizer 30 and the guest-host box assembly 200 are sequentially disposed along the light emitting direction of the display panel 100. By providing a linear polarizer in the display device 1000, absorption of linearly polarized light or linearly polarized light components by dye molecules is facilitated.

When the display panel 100 is an organic light emitting diode (Organic Light Emitting Display, OLED) display panel or a Micro light emitting element (μled/Micro LED), a linear polarizer 30 may be disposed between the guest-host effect cell assembly 200 and the display panel 100.

When the display panel 100 is a liquid crystal display panel, the light emitting side and the backlight side of the display panel 100 are respectively provided with a polarizer, and the polarizing directions of the polarizers are mutually perpendicular to prevent the light leakage of the display panel 100, at this time, the display device 1000 can generate linearly polarized light through the polarizers on the display panel 100 without independently arranging the linearly polarized polarizers.

Referring to fig. 15, fig. 15 is a schematic structural diagram of a display device provided by an example, in some embodiments, a display panel 100 includes a plurality of sub-pixels PX arranged in an array along a plane direction of the display panel 100, and a pixel circuit for controlling the sub-pixels PX to display, and the display device 1000 further includes a signal receiving module 501, an electric field control module 502, and a data control module 503. The signal receiving module 501 is configured to receive a dual-view signal in a dual-view mode, the electric field control module 502 is electrically connected to the signal receiving module 501 and is configured to control electric fields of the first electrode structure 14 and the second electrode structure 24, and the data control module 503 is electrically connected to the signal receiving module 501, the electric field control module 502 and the pixel circuit, respectively, so that the sub-pixel PX displays a dual-view image.

In some embodiments, the display device 1000 further includes a display mode control end 505, where the display mode control end 505 is connected to the signal receiving module 501, and when the display mode control end 505 needs to control the display device 1000 to be in the dual-view display mode, the signal receiving module 501 receives a dual-view signal transmitted by the display mode control end 505, where the dual-view signal may include dual-view image information and display screen information in each dimming area TG, and then the data control module 503 receives the dual-view signal to control the display panel 100 to display, and the electric field control module 502 controls the electric fields of the first electrode structure 14 and the second electrode structure 24 according to the dual-view signal transmitted by the signal receiving module 501, so as to implement dual-view display of the display device 1000.

Referring to fig. 4 and 16, fig. 16 is a schematic diagram illustrating a power supply principle of a first electrode block and a second electrode block of a display device in a dual-view mode according to an embodiment of the invention, when a dimming area TG (including a first dimming area TG1 and a second dimming area TG 2) corresponds to sub-pixels PX one by one, and the dimming area TG corresponds to the first electrode block 143 and the second electrode block 243 one by one respectively, in order to implement the dual-view mode shown in fig. 4, that is, the sub-pixels PX in an interlaced or spaced row are combined to form a first frame and a second frame respectively, and the first frame is displayed at a first view M1, the second frame is displayed at a second view M2, the electric field control module 502 controls one of the first electrode block 143 and the second electrode block 243 in the same dimming area TG to configure a first preset voltage (Y), the other one of the adjacent first electrode block 143 configures no voltage (Y), and the other of the adjacent second electrode block 243 configures no voltage (N).

In some embodiments, the display device 1000 further includes a timing control module 504, where the timing control module 504 connects the electric field control module 502 with the signal control module for controlling the sub-pixels PX to display the dual viewing angle image in a time sharing manner. The resolution of the double-view images can be improved and the display effect of the double-view images can be improved by time-sharing display of the double-view images.

In a specific implementation, each frame of the display screen of the display panel 100 may include a first sub-frame and a second sub-frame, and the first electrode structures 14 in the area where all the first electrode blocks 143 are located may be controlled to configure a first preset voltage, the second electrode structures 24 in the area where all the second electrode blocks 243 are located may be controlled to not configure a voltage, so as to display the first sub-frame, the first electrode structures 14 in the area where all the first electrode blocks 143 are located may be controlled to not configure a voltage, and the second electrode structures 24 in the area where all the second electrode blocks 243 are located may be controlled to configure a first preset voltage, so as to display the second sub-frame. Alternatively, the duration of the first subframe and the second subframe may be the same, for example, the duration of the first subframe and the second subframe may be 1/120 seconds or 1/180 seconds.

In summary, according to the display device 1000 of the embodiment of the invention, the display device 1000 includes the display panel 100 and the guest-host effect box assembly 200 which are oppositely disposed, the display panel 100 is used for displaying images, the guest-host effect box assembly 200 has at least two dimming areas TG which are arranged in an array along the plane direction of the display panel 100, and the light emitted by the display panel 100 can be controlled by the guest-host effect box assembly 200 through controlling the at least two dimming areas TG, so that the display device 1000 can be switched in a plurality of display modes.

Further, the guest-host effect cell assembly 200 includes a first liquid crystal cell 10 and a second liquid crystal cell 20 sequentially disposed along the light emitting direction of the display panel 100, the first liquid crystal cell 10 includes a first dye liquid crystal layer 13 and at least two first electrode blocks 143 disposed in an array, the first dye liquid crystal layer 13 includes first liquid crystal molecules 131 and first dye molecules 132 oriented identically to the first liquid crystal molecules 131, the second liquid crystal cell 20 includes a second dye liquid crystal layer 23 and at least two second electrode blocks 243 disposed in an array, the second dye liquid crystal layer 23 includes second liquid crystal molecules 231 and second dye molecules 232 oriented identically to the second liquid crystal molecules 231, and since the long axis direction and the short axis direction of the dye molecules exhibit different light absorption characteristics, for example, when the absorption rate of the dye molecules to polarized light perpendicular to the long axis direction thereof is maximized, the corresponding polarized light parallel to the long axis direction thereof can be transmitted, and thus, by changing the deflection of the liquid crystal molecules 131 in the first liquid crystal cell 10 and the second dye molecules 132, the second display can be realized using the different long axis directions of the second dye molecules 231 and the second dye molecules 1000.

Because each dimming area TG is correspondingly provided with at least one first electrode block 143 and at least one second electrode block 243, in each dimming area TG, the front projection of the first electrode block 143 on the display panel 100 overlaps with the front projection of the second electrode block 243 on the display panel 100, and the pretilt angle of the first liquid crystal molecule 131 and the pretilt angle of the second liquid crystal molecule 231 are different, when voltages are respectively configured for the first electrode structure 14 in the area where the first electrode block 143 is located and the second electrode structure 24 in the area where the second electrode block 243 is located, the first liquid crystal molecule 131 and the second liquid crystal molecule 231 drive the corresponding dye molecules to rotate to a predetermined angle, and multiple display modes, such as dual-view display or black mode, are realized by utilizing the light absorption characteristics of the dye molecules.

By arranging the guest main effect box assembly 200, the light crosstalk of a plurality of dimming areas TG of the display device 1000 can be effectively reduced according to the absorption characteristics of dye molecules on linearly polarized light, and the color cross problem of the display device 1000 can be effectively reduced.

On the other hand, the embodiment of the present invention further provides a control method of a display device, for controlling the display device 1000 according to any of the above embodiments to perform display, wherein the long axis direction of the first liquid crystal molecules 131 and the long axis direction of the second liquid crystal molecules 231 are controlled so that the display device 1000 realizes multiple display modes. By the control method of the display device, the display device 1000 can be switched in various display modes, and meanwhile, the color cross problem of the display device 1000 can be effectively reduced.

In some embodiments, the display device 1000 can implement a dual viewing angle mode, in which the first electrode structure 14 in the area where the first electrode block 143 is located and the second electrode structure 24 in the area where the second electrode block 243 is located are respectively configured with a first preset voltage, the liquid crystal molecules in the first dye liquid crystal layer 13 and the liquid crystal molecules in the second dye liquid crystal layer 23 after being deflected have different long axis directions, and in the dual viewing angle mode, the first electrode block 143 and the second electrode block 243 in the same dimming area TG are not simultaneously configured with the same voltage. In a specific implementation, the deflection of the liquid crystal molecules in the first liquid crystal cell 10 and the second liquid crystal cell 20 may be controlled respectively, so that the dye molecules in the two liquid crystal cells deflect synchronously along with the liquid crystal molecules, and the display device 1000 realizes dual-view display based on the absorption characteristic of the dye molecules to the linearly polarized light. The first liquid crystal molecules 131 and the second liquid crystal molecules 132 are described herein as negative liquid crystal molecules.

In some embodiments, the at least two dimming regions TG include a first dimming region TG1 and a second dimming region TG2 disposed adjacently, and the control method of the display device 1000 includes:

in the same time period, in the first dimming area TG, controlling the first electrode structure 14 of the area where the first electrode block 143 is located to configure a first preset voltage, and controlling the second electrode structure 24 of the area where the second electrode block 243 is located to not configure a voltage; in the second dimming area TG, the first electrode structure 14 in the area where the first electrode block 143 is located is controlled to be not configured with a voltage, and the second electrode structure 24 in the area where the second electrode block 243 is controlled to be configured with a first preset voltage.

Specifically, as shown in fig. 17, fig. 17 is a schematic structural diagram of another example of a display device, where the display device 1000 may include a signal receiving module 501, an electric field control module 502, a data control module 503, and a display mode control terminal 505, the guest main effect box assembly 200 includes two dimming areas TG, namely a first dimming area TG1 and a second dimming area TG2, when performing dual-view display, the electric field control module 502 controls the first electrode structure 14 in the area where the first electrode block 143 is located in the first dimming area TG1 to configure a first preset voltage (Y), controls the second electrode structure 24 in the area where the second electrode block 243 is located to not configure a voltage (N), and the electric field control module 502 controls the first electrode structure 14 in the area where the first electrode block 143 is located in the second dimming area TG2 to not configure a voltage (N), and controls the second electrode structure 24 in the area where the second electrode block 243 is located to configure a first preset voltage (Y). It is understood that in the first dimming region TG, the power supply conditions of the first electrode block 143 and the second electrode block 243 may be opposite, for example, the first electrode block 143 is not configured with a voltage, and the second electrode block 243 is configured with a voltage, so as to implement split screen display of the display device 1000.

With continued reference to fig. 15, in some embodiments, the display panel 100 includes a plurality of sub-pixels PX arranged in an array along a plane direction of the display panel 100, at least two dimming regions TG are plural, and the first dimming regions TG1 and the second dimming regions TG1 are alternately arranged, and a control method of the display device 1000 includes:

controlling the entire number of sub-pixels PX corresponding to the first dimming region TG1 to display the first image information;

the entire number of sub-pixels PX corresponding to the second dimming region TG2 are controlled to display the second image information.

In particular, the data control module 503 may control the total number of sub-pixels PX corresponding to the first dimming region TG1 to display the first image information, and then the electric field control module 502 may control the first electrode block 143 and the second electrode block 243 through the schematic power supply diagram as shown in fig. 16, so that the first image information may be displayed at the first viewing angle M1 through the guest-host liquid crystal cell assembly 200. The data control module 503 controls the total number of sub-pixels PX corresponding to the second dimming area TG2 to display the first image information, and then the electric field control module 502 controls the first electrode block 143 and the second electrode block 243 to display the second image information at the second viewing angle M2 through the guest-host liquid crystal cell assembly 200, and a specific dual viewing angle image display is shown in fig. 4.

Referring to fig. 17, in some embodiments, the display panel 100 includes a plurality of sub-pixels PX arranged in an array along a plane direction of the display panel 100, the guest-host-effect-box assembly 200 includes two dimming regions TG, and the number of sub-pixels PX corresponding to each dimming region TG is the same, and the control method of the display device 1000 includes:

controlling the sub-pixel PX corresponding to the first dimming region TG to display the third image information;

the sub-pixel PX corresponding to the second dimming region TG is controlled to display the fourth image information.

In a specific implementation, the data control module 503 may control the sub-pixel PX corresponding to the first dimming area TG1 to display the third image information, control the sub-pixel PX corresponding to the second dimming area TG2 to display the fourth image information, and then control the first liquid crystal cell 10 and the second liquid crystal cell 20 to configure the electric field through the electric field control module 502, so that the third image information can be displayed at the first viewing angle M1 through the guest-host liquid crystal cell assembly 200, the fourth image information can be displayed at the second viewing angle M2 through the guest-host liquid crystal cell assembly 200, and a specific dual viewing angle image is displayed as shown in fig. 3.

In order to improve the dual viewing angle display resolution of the display apparatus 1000, in some embodiments, each frame of the display panel 100 display screen includes a first sub-frame screen and a second sub-frame screen, and in the dual viewing angle mode, the control method of the display apparatus 1000 includes;

Controlling the first electrode structures 14 of the areas where the total number of the first electrode blocks 143 are located to configure a first preset voltage, and controlling the second electrode structures 24 of the areas where the total number of the second electrode blocks 243 are located to not configure a voltage so as to display a first subframe picture;

the first electrode structures 14 in the area where the total number of the first electrode blocks 143 are located are controlled to be not configured with voltages, and the second electrode structures 24 in the area where the total number of the second electrode blocks 243 are controlled to be configured with first preset voltages, so that a second sub-frame picture is displayed.

In an implementation, the display device 1000 may include a timing control module 504 connected between the electric field control module 502 and the signal control module, where the timing control module 504 controls the electric field control module 502 to configure an electric field according to the two-view signal transmitted by the signal receiving module 501 during the two-view display, and then the electric field control module 502 controls the electric fields of the first electrode structure 14 and the second electrode structure 24 according to the timing signal transmitted by the timing control module 504 to implement the two-view display of the display device 1000.

Specifically, referring to fig. 18, fig. 18 is a schematic diagram illustrating a power supply principle of a first liquid crystal cell and a second liquid crystal cell of a display device in a dual-viewing angle mode according to another embodiment of the invention. Each frame of display screen of the display panel 100 includes a first frame and a second frame that are sequentially displayed, the first frame being refreshed at a first time period CLK1 and a second time period CLK 2. In order to realize the dual view display, the display panel 100 may be controlled to display a first sub-frame picture in one sub-period CLK11 of the first period CLK1, display a second sub-frame picture in the other sub-period CLK12, display the first sub-frame picture in one sub-period CLK21 of the second period CLK2, and display the second sub-frame picture in the other sub-period CLK22, and repeat the steps in order to realize the dual view display, where the first sub-frame picture is displayed in the first view M1, the second sub-frame picture is displayed in the second view M2, and the first sub-frame picture and the second sub-frame picture alternate, such as the first sub-frame picture, the second sub-frame picture, and so on.

Optionally, the duration of the first subframe and the second subframe may be the same, and the duration may be set according to the user requirement, for example, the duration of the first subframe and the second subframe may be 1/120 second, where the refresh frequency of the display panel 100 and the guest main effect box assembly 200 may be 120 hz. With the above arrangement, the refresh frequency of the first liquid crystal cell 10 and the second liquid crystal cell 20 can be increased by increasing the deflection frequency of the first liquid crystal molecule 131 and the second liquid crystal molecule 231, and the image of the first sub-frame picture is always seen at the first viewing angle M1 and the image of the second sub-frame picture is always seen at the second viewing angle M2 according to the recognition frequency of the eyes of the user, thereby enabling the display device 1000 to realize the dual viewing angle display.

Referring to fig. 19 and 20, fig. 19 is a schematic diagram illustrating a power supply principle of a first liquid crystal cell and a second liquid crystal cell of a display device in a full viewing angle mode according to an embodiment of the invention, and fig. 20 is a schematic diagram illustrating a display brightness and a viewing angle distribution of the display device in a single viewing angle mode according to an embodiment of the invention. In some embodiments, the display device 1000 can also realize a full view mode in which neither the first electrode structure 14 nor the second electrode structure 24 is configured with a voltage, and the long axis direction of the first liquid crystal molecules 131 nor the long axis direction of the second liquid crystal molecules 231 are perpendicular to the plane direction of the display panel 100. Through the control method, the display device 1000 can realize the full view mode, and is convenient for users to use. As can be seen from fig. 20, when the display device 1000 is in the single viewing angle mode, the light emitted from the display panel 100 can be transmitted through the guest-host effect box assembly 200 in all directions for display.

Referring to fig. 21 to 23, fig. 21 is a schematic diagram illustrating a power supply principle of a first liquid crystal cell and a second liquid crystal cell of a display device in a single viewing angle mode according to an embodiment of the present invention, fig. 22 is a schematic diagram illustrating a display luminance and a viewing angle distribution of the display device in the single viewing angle mode according to an embodiment of the present invention, and fig. 23 is a schematic diagram illustrating a display luminance and a viewing angle distribution of the display device in the single viewing angle mode according to an embodiment of the present invention. In some embodiments, the display device 1000 can also implement a single viewing angle mode in which one of the first electrode structure 14 and the second electrode structure 24 is configured with a first preset voltage, the other is not configured with a voltage, one of the long axis direction of the first liquid crystal molecule 131 and the long axis direction of the second liquid crystal molecule 231 is perpendicular to the plane direction of the display panel 100, and the other is at a preset angle with the plane direction of the display panel 100, for example, the preset angle may be 45 °, so as to be convenient for a user to view.

Specifically, as shown in fig. 21, the electric field control module 502 may control the first electrode structure 14 to configure a first preset voltage, and the second electrode structure 24 to not configure a voltage, so that the liquid crystal in the guest main effect box assembly 200 forms a deflection angle shown in fig. 7, thereby realizing left single viewing angle display. Alternatively, the electric field control module 502 may control the second electrode structure 24 to configure the first preset voltage, and the first electrode structure 14 is not configured with the voltage, so that the liquid crystal in the guest main effect box assembly 200 is deflected at the angle shown in fig. 6, thereby realizing the right single viewing angle display.

As can be seen in fig. 22, when the display device 1000 is in the left single viewing angle mode, light exiting the display panel 100 can tilt in the left direction through the guest main effect box assembly 200 for display. As can be seen in fig. 23, when the display device 1000 is in the right single viewing angle mode, light exiting the display panel 100 can tilt in the right direction through the guest main effect box assembly 200 for display.

Referring to fig. 24, fig. 24 is a schematic diagram illustrating a power supply principle of a first liquid crystal cell and a second liquid crystal cell of a display device in a black mode according to an embodiment of the invention. In some embodiments, the display device 1000 can also implement a black mode in which the first electrode structure 14 and the second electrode structure 24 are both configured with a second preset voltage, and the long axis direction of the first liquid crystal molecules 131 is the same as the long axis direction of the second liquid crystal molecules 231 and is parallel to the plane direction of the display panel 100, wherein the second preset voltage is greater than the first preset voltage. Alternatively, the second preset voltage may be 3.5V to 7V. By arranging the first liquid crystal cell 10 and the second liquid crystal cell 20, the two liquid crystal cells can mutually cooperate to absorb more light, so that the display device 1000 can achieve a darker effect in a black mode.

In accordance with the above embodiments of the invention, these embodiments are not exhaustive of all details, nor are they intended to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention and various modifications as are suited to the particular use contemplated. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A display device, comprising:

a display panel for displaying an image;

the guest main effect box subassembly, with display panel sets up relatively, guest main effect box subassembly has along at least two dimming areas of array setting in the plane direction of display panel, guest main effect box subassembly includes:

the first liquid crystal box comprises a first substrate, a second substrate, a first dye liquid crystal layer and a first electrode structure, wherein the first substrate and the second substrate are oppositely arranged, the first dye liquid crystal layer is positioned between the first substrate and the second substrate, the first electrode structure comprises a first electrode layer positioned on the first substrate and a second electrode layer positioned on the second substrate, one of the first electrode layer and the second electrode layer comprises at least two first electrode blocks arranged in an array, each dimming area is correspondingly provided with at least one first electrode block, the first dye liquid crystal layer comprises first dye molecules and first liquid crystal molecules, the first liquid crystal molecules have a first pretilt angle, and the first pretilt angle is an included angle between the long axis direction of the first liquid crystal molecules and the plane direction of the display panel in an initial state;

The second liquid crystal box is sequentially arranged along the light emitting direction of the display panel and the first liquid crystal box, the second liquid crystal box comprises a third substrate, a fourth substrate, a second dye liquid crystal layer and a second electrode structure, the third substrate and the fourth substrate are oppositely arranged, the second dye liquid crystal layer is positioned between the third substrate and the fourth substrate, the second electrode structure comprises a third electrode layer positioned on the third substrate and a fourth electrode layer positioned on the fourth substrate, one of the third electrode layer and the fourth electrode layer comprises at least two second electrode blocks arranged in an array, at least one second electrode block is correspondingly arranged in each dimming area, the orthographic projection of the first electrode block on the display panel overlaps with the orthographic projection of the second electrode block on the display panel, the second dye liquid crystal layer comprises second dye molecules and second liquid crystal molecules, the second liquid crystal molecules have a second pre-tilt angle, and the second tilt angle is in the direction of the second initial tilt angle is the direction of the liquid crystal molecules;

In the initial state, the long axis direction of the first liquid crystal molecules and the long axis direction of the second liquid crystal molecules are respectively positioned at two sides of the plane direction of the display panel.

2. The display device according to claim 1, wherein after the first electrode structure of the area where the first electrode block is located and the second electrode structure of the area where the second electrode block is located are respectively configured with a first preset voltage, the long axis direction of the deflected first liquid crystal molecules and the deflected second liquid crystal molecules is different, the display device can realize a dual viewing angle mode, and in the dual viewing angle mode, the first electrode block and the second electrode block located in the same dimming area are not simultaneously configured with the same voltage.

3. The display device according to claim 2, wherein in the dual viewing angle mode, one of the long axis direction of the first liquid crystal molecules and the long axis direction of the second liquid crystal molecules is perpendicular to the plane direction of the display panel, and the other is at a predetermined angle to the plane direction of the display panel within the same dimming region.

4. A display device according to claim 3, wherein in the dual view mode, one of the first electrode block and the second electrode block located within the same dimming region is configured with a first preset voltage, and the other is not configured with a voltage.

5. The display device of claim 1, wherein the display device is further capable of implementing a full view mode in which,

the first pretilt angle is 89.9-80 degrees, and the second pretilt angle is 89.9-80 degrees.

6. The display device according to claim 5, wherein in the full view mode, no voltage is applied to both the first electrode structure and the second electrode structure.

7. The display device according to claim 5, wherein when no voltage is applied to either the first electrode structure or the second electrode structure, a long axis direction of liquid crystal molecules in the first dye liquid crystal layer is different from a long axis direction of liquid crystal molecules in the second dye liquid crystal layer.

8. The display device according to claim 7, wherein when no voltage is applied to the first electrode structure and the second electrode structure, a long axis direction of liquid crystal molecules in the first dye liquid crystal layer and a long axis direction of liquid crystal molecules in the second dye liquid crystal layer are symmetrically arranged with respect to a symmetry axis extending in a direction perpendicular to a plane of the display panel.

9. The display device according to claim 1, wherein a first electrode structure of the region where the first electrode block is located and the second electrode structure of the region where the second electrode block is located are respectively configured with a first preset voltage, the display device is further capable of realizing a black mode in which a second preset voltage is respectively configured in the first electrode structure and the second electrode structure, a long axis direction of the first liquid crystal molecules is the same as a long axis direction of the second liquid crystal molecules and both are parallel to a plane direction of the display panel,

Wherein the second preset voltage is greater than the first preset voltage.

10. The display device according to claim 9, wherein the second preset voltage is 3.5V to 7V.

11. The display device according to claim 1, wherein the display device is further capable of realizing a single viewing angle mode in which one of a long axis direction of the first liquid crystal molecules and a long axis direction of the second liquid crystal molecules is perpendicular to a plane direction of the display panel and the other is at a preset angle to the plane direction of the display panel.

12. The display device of claim 11, wherein in the single view mode, one of the first electrode structure and the second electrode structure is configured with a first predetermined voltage and the other is not configured with a voltage.

13. The display device according to claim 1, wherein in each of the dimming regions, the number of the first electrode blocks is the same as the number of the second electrode blocks, and an orthographic projection of each of the first electrode blocks on the display panel overlaps with an orthographic projection of each of the second electrode blocks on the display panel.

14. The display device of claim 13, wherein the guest-host effect box assembly includes two dimming regions, the first electrode structure includes two first electrode blocks, the second electrode structure includes two second electrode blocks,

one of the dimming regions is provided with one of the first electrode blocks and one of the second electrode blocks.

15. The display device according to claim 13, wherein the display panel includes a plurality of sub-pixels arranged in an array in a plane direction of the display panel, and the number of the sub-pixels corresponding to each of the dimming areas is the same.

16. The display device of claim 15, wherein the dimming regions are in one-to-one correspondence with the sub-pixels.

17. The display device of claim 1, wherein the first liquid crystal cell further comprises a first control circuit electrically connected to the first electrode block for gating the first electrode block;

and/or the second liquid crystal box further comprises a second control circuit, wherein the second control circuit is electrically connected with the second electrode block and used for gating the second electrode block.

18. The display device of claim 17, wherein the first liquid crystal cell further comprises a first control circuit, the second liquid crystal cell further comprises a second control circuit,

the first control circuit comprises a first transistor, a first end of the first transistor is electrically connected with the first electrode block, the second control circuit comprises a second transistor, and a first end of the second transistor is electrically connected with the second electrode block.

19. The display device of claim 18, wherein the first liquid crystal cell further comprises a first scan line and a first data line, the first scan line being electrically connected to the control terminal of the first transistor, the first data line being electrically connected to the second terminal of the first transistor,

the second liquid crystal box further comprises a second scanning line and a second data line, wherein the second scanning line is electrically connected with the control end of the second transistor, and the second data line is electrically connected with the second end of the second transistor.

20. The display device according to claim 19, wherein the first liquid crystal cell further comprises a first circuit board electrically connected to the first scan line and the first data line, the second liquid crystal cell further comprises a second circuit board electrically connected to the second scan line and the second data line, the display panel comprises a signal line and a third circuit board connected to the signal line,

The display device comprises a control unit which is respectively and electrically connected with the first circuit board, the second circuit board and the third circuit board.

21. The display device according to claim 1, wherein the first substrate, the second substrate, the third substrate, and the fourth substrate are sequentially arranged at intervals, and an adhesive layer is provided between the second substrate and the third substrate to connect the first liquid crystal cell and the second liquid crystal cell;

or the second substrate is multiplexed to be the third substrate, and the first substrate, the second substrate and the fourth substrate are sequentially arranged at intervals.

22. The display device of claim 1, further comprising a backlight module positioned on a backlight side of the display panel,

the backlight module, the display panel and the guest-host effect box assembly are sequentially arranged along the light emitting direction of the display panel; or the backlight module, the guest-host effect box assembly and the display panel are sequentially arranged along the light emitting direction of the display panel.

23. The display device of claim 22, wherein the backlight module, the guest-host effect box assembly, and the display panel are sequentially disposed along a light emitting direction of the display panel, and the display panel is a touch display panel.

24. The display device of claim 1, further comprising a linear polarizer,

the linear polaroid and the guest main effect box component are sequentially arranged along the light emitting direction of the display panel.

25. The display device according to claim 1, wherein the display panel includes a plurality of sub-pixels arranged in an array in a plane direction of the display panel, and a pixel circuit for controlling the sub-pixel to display, the display device further comprising:

the signal receiving module is used for receiving the double-view signal in the double-view mode;

the electric field control module is electrically connected with the signal receiving module and is used for controlling the electric fields of the first electrode structure and the second electrode structure;

and the data control module is respectively and electrically connected with the signal receiving module, the electric field control module and the pixel circuit so as to enable the sub-pixels to display the double-view-angle image.

26. The display device according to claim 25, wherein the display device further comprises:

and the time sequence control module is connected with the electric field control module and the data control module and is used for controlling the sub-pixels to display the double-view-angle image in a time-sharing way.

27. A control method of a display device, characterized by controlling the display device according to any one of claims 1 to 26 to display,

wherein the long axis direction of the first liquid crystal molecules and the long axis direction of the second liquid crystal molecules are controlled so that the display device realizes a plurality of display modes.

28. The method of claim 27, wherein the display device is capable of implementing a dual viewing angle mode,

the first electrode structure of the area where the first electrode block is located and the second electrode structure of the area where the second electrode block is located are respectively configured with a first preset voltage, the liquid crystal molecules in the first dye liquid crystal layer and the liquid crystal molecules in the second dye liquid crystal layer are different in long axis direction after being deflected, and in the dual-view mode, the first electrode block and the second electrode block which are located in the same dimming area are not simultaneously configured with the same voltage.

29. The control method of a display device according to claim 28, wherein the at least two dimming regions include a first dimming region and a second dimming region disposed adjacently, the control method of the display device comprising: in the course of the same time period,

In the first dimming area, controlling a first electrode structure of the area where the first electrode block is located to configure a first preset voltage, and controlling a second electrode structure of the area where the second electrode block is located to not configure a voltage;

and in the second dimming area, controlling the first electrode structure of the area where the first electrode block is positioned to be not configured with voltage, and controlling the second electrode structure of the area where the second electrode block is positioned to be configured with first preset voltage.

30. The method of claim 29, wherein the display panel includes a plurality of sub-pixels arranged in an array along a plane direction of the display panel, the at least two dimming regions are plural in number, the first dimming regions and the second dimming regions are alternately arranged,

the control method of the display device comprises the following steps:

controlling the whole number of the sub-pixels corresponding to the first dimming area to display first image information;

and controlling the whole number of the sub-pixels corresponding to the second dimming area to display second image information.

31. The method of claim 29, wherein the display panel includes a plurality of sub-pixels arrayed in a plane direction of the display panel, the guest-host effect box assembly includes two dimming regions, and the number of the sub-pixels corresponding to each dimming region is the same, the method of controlling the display device includes:

Controlling the sub-pixel corresponding to the first dimming area to display third image information;

and controlling the sub-pixel corresponding to the second dimming area to display fourth image information.

32. The method according to claim 28, wherein each frame of the display panel display screen includes a first sub-frame screen and a second sub-frame screen, and wherein in the dual view mode, the method comprises;

controlling the first electrode structures of the areas where all the first electrode blocks are positioned to configure a first preset voltage, and controlling the second electrode structures of the areas where all the second electrode blocks are positioned to not configure a voltage so as to display the first subframe picture;

and controlling the first electrode structures of the areas where all the first electrode blocks are positioned to be not configured with voltage, and controlling the second electrode structures of the areas where all the second electrode blocks are positioned to be configured with first preset voltage so as to display the second sub-frame picture.

33. The method according to claim 32, wherein the first sub-frame picture and the second sub-frame picture are displayed for the same time period.

34. The method of claim 27, wherein the display device is further capable of implementing a full view mode,

in the full viewing angle mode, no voltage is configured on the first electrode structure and the second electrode structure, and the long axis direction of the first liquid crystal molecules and the long axis direction of the second liquid crystal molecules are perpendicular to the plane direction of the display panel.

35. The method of claim 27, wherein the display device is further capable of implementing a black mode,

in the black mode, the first electrode structure and the second electrode structure are both configured with a second preset voltage, the long axis direction of the first liquid crystal molecules is the same as the long axis direction of the second liquid crystal molecules and is parallel to the plane direction of the display panel,

wherein the second preset voltage is greater than the first preset voltage.

36. The method of claim 27, wherein the display device is further capable of implementing a single viewing angle mode,

in the single viewing angle mode, one of the first electrode structure and the second electrode structure is configured with a first preset voltage, the other one is not configured with a voltage, one of the long axis direction of the first liquid crystal molecules and the long axis direction of the second liquid crystal molecules is perpendicular to the plane direction of the display panel, and the other one is at a preset angle with the plane direction of the display panel.