Display module and display device

Abstract

The embodiment of the utility model discloses a display module and a display device. The display module comprises a light processing layer and a reflective liquid crystal module, the light processing layer comprises a light guide layer and a light emitting structure; the light guide layer is arranged on the display side of the reflective liquid crystal module, the light-emitting structures are arranged on the two sides of the light guide layer in the horizontal direction, and a plurality of lattice points are arranged on the side, away from the reflective liquid crystal module, of the light guide layer. The light-emitting structure can supplement light to the reflective liquid crystal module when the reflective liquid crystal module displays, and the light guide layer can convert a point light source emitted by the reflective liquid crystal module into a light-gathering area light source. According to the scheme, the problem that a reflective liquid crystal module is less in reflected light in a dark environment is solved, and scattering of light of a display picture is reduced, so that the display brightness of the display picture is enhanced, the display effect of the display module is improved, and the watching effect of a user is improved.

Description

Technical Field

[0001] The embodiments of the present utility model relate to the field of display technologies, and in particular, to a display module and a display device. Background Art

[0002] Existing reflective liquid crystal modules do not need to be equipped with a backlight source. They can rely on the metal reflective layer below the liquid crystal layer to reflect ambient light to obtain a light source, thereby realizing picture display. However, in the case of relatively dim ambient light, the amount of light reflected by the metal reflective layer below the liquid crystal layer is relatively small, which will cause the display effect of the reflective liquid crystal module to be poor, that is, the overall display picture is relatively dark, resulting in a poor user experience. Content of the Utility Model

[0003] The embodiments of the present utility model provide a display module and a display device to improve the display effect of the display module, and further improve the user viewing effect.

[0004] In a first aspect, the embodiments of the present utility model provide a display module, which includes a light processing layer and a reflective liquid crystal module;

[0005] The light processing layer includes a light guide layer and a light emitting structure; the light guide layer is disposed on the display side of the reflective liquid crystal module, the light emitting structure is disposed on both sides of the light guide layer along the horizontal direction, and a plurality of dots are disposed on the side of the light guide layer away from the reflective liquid crystal module;

[0006] The light emitting structure can supplement light to the reflective liquid crystal module when the reflective liquid crystal module displays, and the light guide layer can convert the point light source emitted by the reflective liquid crystal module into a surface light source with concentrated light rays.

[0007] Optionally, a plurality of dots are disposed on the side of the light guide layer away from the reflective liquid crystal module;

[0008] The structure of the dot is a right-angled prism shape;

[0009] The rectangular surface of each right angle of each dot is perpendicular or parallel to the horizontal direction, and the triangular surface of each right angle of each dot is perpendicular to the horizontal direction.

[0010] Optionally, the side of the light guide layer away from the reflective liquid crystal module includes a first region and a second region;

[0011] The first region and the second region are symmetric about the central symmetry axis of the light guide layer, and the central symmetry axis is parallel to the edge surface of the light guide layer close to the light emitting structure;

[0012] Each dot disposed in the first region and a dot disposed in the second region are symmetric about the central symmetry axis.

[0013] Optionally, the rectangular inclined surface of the dot matrix provided in the first region faces the light-emitting structure close to the first region;

[0014] The rectangular inclined surface of the dot matrix provided in the second region faces the light-emitting structure close to the second region.

[0015] Optionally, the dot matrixes provided in the first region are arranged in an array;

[0016] The dot matrixes provided in the second region are arranged in an array.

[0017] Optionally, the light-emitting structure includes a cavity structure and a light bar;

[0018] The cavity structure is arranged on both sides of the light guide layer in the horizontal direction, and the cavity opening of the cavity structure faces the light guide layer;

[0019] The light bar is arranged in the cavity structure.

[0020] Optionally, the light-emitting structure further includes a driving module;

[0021] The driving module is connected to the light bar, and the driving module can drive the light bar to emit light and control the brightness of the light emitted by the light bar.

[0022] Optionally, the display module further includes a bonding layer, and the bonding layer is arranged between the light processing layer and the reflective liquid crystal module;

[0023] The bonding layer can bond the light processing layer and the reflective liquid crystal module.

[0024] In a second aspect, an embodiment of the present invention further provides a display device, and the display device includes the display module provided in any embodiment of the present invention.

[0025] In the embodiment of the present invention, a light guide layer is arranged on the display side of the reflective liquid crystal module, and light-emitting structures are arranged on both sides of the light guide layer in the horizontal direction. Thus, the reflective liquid crystal module can be supplemented with light through the light-emitting structures. The light guide layer provided with a plurality of dot matrixes converts the point light source emitted by the reflective liquid crystal module into a surface light source with concentrated light, thereby solving the problem that the reflective liquid crystal module has less reflected light in a relatively dark environment, reducing the scattering of light on the display screen, thereby enhancing the display brightness of the display screen, thereby improving the display effect of the display module, and further improving the user viewing effect. Description of the Drawings

[0026] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0027] Figure 1 A schematic structural diagram of a display module provided by an embodiment of the present invention;

[0028] Figure 2 A schematic structural diagram of a light guide layer provided by an embodiment of the present invention;

[0029] Figure 3 A schematic diagram of the light path of incident light on the inclined surface of a right-angled prism-shaped structure dot provided by an embodiment of the present invention;

[0030] Figure 4 A schematic structural diagram of another display module provided by an embodiment of the present invention;

[0031] Figure 5 A schematic structural diagram of a light-emitting structure provided by an embodiment of the present invention;

[0032] Figure 6 A schematic circuit diagram of a light-emitting structure provided by an embodiment of the present invention;

[0033] Figure 7 A schematic structural diagram of another display module provided by an embodiment of the present invention. Detailed implementation manners

[0034] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0035] It should be noted that the terms "first", "second", etc. in the description, claims and above-mentioned drawings of the present utility model are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that such data used can be interchanged under appropriate circumstances, so that the embodiments of the present utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0036] Figure 1 It is a schematic structural diagram of a display module provided by an embodiment of the present utility model. Figure 2 It is a schematic structural diagram of a light guide layer provided by an embodiment of the present utility model. As Figure 1 and Figure 2 shown, the display module includes a light processing layer 110 and a reflective liquid crystal module 120; the light processing layer includes a light guide layer and a light emitting structure.

[0037] The light guide layer 111 is disposed on the display side of the reflective liquid crystal module 120, the light emitting structure 112 is disposed on both sides of the light guide layer 111 along the horizontal direction, and a plurality of light spots 1111 are disposed on the side of the light guide layer 111 away from the reflective liquid crystal module 120; the light emitting structure 112 can supplement light to the reflective liquid crystal module 120 when the reflective liquid crystal module 120 displays, and the light guide layer 111 can convert the point light source emitted by the reflective liquid crystal module 120 into a surface light source with concentrated light.

[0038] Among them, the reflective liquid crystal module 120 relies on the metal reflective layer below the liquid crystal layer to reflect ambient light to obtain a light source for display, so as to realize the display of the picture. The light processing layer 110 can provide light for the reflective liquid crystal module 120, so that the reflective liquid crystal module 120 can obtain sufficient light in a relatively dark environment. Thus, disposing the light processing layer 110 on the display side of the reflective liquid crystal module 120 can solve the problem that the reflective liquid crystal module 120 emits less light in a relatively dark environment, resulting in a poor display effect due to a darker display picture. In addition, the light processing layer 110 can also play a role in concentrating the light emitted upward after being modulated by the reflective liquid crystal module 120, so that the light obtained by the display picture of the reflective liquid crystal module 120 is more concentrated, thereby improving the display effect of the picture.

[0039] Specifically, the light guide layer 111 includes a light guide plate. The light guide layer 111 has the function of converting the incident point light source into a surface light source, providing uniform, stable, and concentrated surface light source support for the liquid crystal panel. The light emitting structure 112 can generate a light source and inject light into the light guide layer 111. After the light enters the light guide layer 111, most of the light will undergo total internal reflection in the light guide layer 111 and propagate in the light guide layer 111. When the light propagating in the light guide layer 111 is incident on the side of the light guide layer 111 away from the surface reflective liquid crystal module 120, part of the light modulated by the reflective liquid crystal will be emitted from the light guide plate.

[0040] In addition, the structural setting of the light dots 1111 can converge the light incident on the light dots 1111, reduce the scattering of the light emitted from the light dots 1111, enhance the light obtained by the display screen of the reflective liquid crystal module 120, and thus improve the display effect of the screen.

[0041] In the embodiment of the present utility model, by arranging the light guide layer 111 on the display side of the reflective liquid crystal module 120, and arranging the light emitting structures 112 on both sides of the light guide layer 111 in the horizontal direction, the reflective liquid crystal module 120 can be filled with light by the light emitting structures 112. The light guide layer 111 provided with a plurality of light dots converts the point light source emitted by the reflective liquid crystal module 120 into a surface light source with concentrated light, thereby solving the problem that the reflective liquid crystal module 120 has less reflected light in a relatively dark environment, reducing the scattering of the light of the display screen, enhancing the display brightness of the display screen, improving the display effect of the display module, and further improving the user viewing effect.

[0042] On the basis of the above embodiment, continue to refer to Figure 2 , the structure of the light dot 1111 is a right prism;

[0043] The rectangular surface of each right angle of each light dot 1111 is perpendicular or parallel to the horizontal direction, and the triangular surface of each right angle of each light dot 1111 is perpendicular to the horizontal direction.

[0044] Among them, setting the structure of the light dot 1111 as a right prism can converge the light incident on the light dot 1111 compared with the light dots 1111 with structures such as a whole spherical surface, a cone, and a frustum of a cone, reduce the scattering of the light emitted from the light dot 1111, enhance the light obtained by the display screen of the reflective liquid crystal module 120, and thus improve the display effect of the screen.

[0045] Exemplarily, Figure 3 is a schematic diagram of the light path of the incident light on the inclined surface of the light dot with a right prism structure provided by the embodiment of the present utility model. As Figure 1As shown, the light from the light source enters the right-angled prism-shaped light. After reflection inside the dot matrix 1111, the angle between the light rays exiting the dot matrix 1111 decreases, making the light rays exiting the dot matrix 1111 more uniform, convergent, and stable, reducing the scattering of the light rays. Thus, a more uniform, stable, and convergent surface light source can be provided for the liquid crystal panel.

[0046] Based on the above embodiments, optionally, continue to refer to Figure 2 , one side of the light guide layer 111 away from the reflective liquid crystal module 120 includes a first region 11 and a second region 12;

[0047] The first region 11 and the second region 12 are symmetric about the central symmetry axis M of the light guide layer 111, and the central symmetry axis M is parallel to the edge surface of the light guide layer 111 close to the light-emitting structure 112;

[0048] Each dot matrix 1111 provided in the first region 11 is symmetric with a dot matrix 1111 provided in the second region 12 about the central symmetry axis M.

[0049] Among them, each dot matrix 1111 provided in the first region 11 being symmetric with a dot matrix 1111 provided in the second region 12 about the central symmetry axis M can further make the light rays exiting the dot matrix 1111 more uniform, convergent, and stable, reducing the scattering of the light rays.

[0050] Based on the above embodiments, optionally, continue to refer to Figure 2 , the rectangular inclined surface of the dot matrix 1111 provided in the first region 11 faces the light-emitting structure 112 close to the first region 11; the rectangular inclined surface of the dot matrix 1111 provided in the second region 12 faces the light-emitting structure 112 close to the second region 12.

[0051] Among them, the rectangular inclined surface of the dot matrix 1111 provided in the first region 11 facing the light-emitting structure 112 close to the first region 11 can enable the dot matrix 1111 provided in the first region 11 to better receive the light generated by the light-emitting structure 112 close to the first region 11; the rectangular inclined surface of the dot matrix 1111 provided in the second region 12 facing the light-emitting structure 112 close to the second region 12 can enable the dot matrix 1111 provided in the second region 12 to better receive the light generated by the light-emitting structure 112 close to the second region 12. Thus, the display brightness of the display screen can be enhanced, thereby improving the display effect of the display module and further improving the user viewing effect.

[0052] Based on the above embodiments, optionally, continue to refer to Figure 2 , the dot matrix 1111 provided in the first region 11 is arranged in an array; the dot matrix 1111 provided in the second region 12 is arranged in an array.

[0053] Among them, the dot points 1111 arranged in the first area 11 are in an array arrangement, and the dot points 1111 arranged in the second area 12 are in an array arrangement, which can further make the light emitted from the dot points 1111 more uniform, convergent and stable, and further reduce the scattering of light.

[0054] Based on the above embodiments, Figure 4 FIG. is a schematic structural diagram of another display module provided by an embodiment of the present invention. Figure 5 FIG. is a schematic structural diagram of a light-emitting structure provided by an embodiment of the present invention. As Figure 4 and Figure 5 shown, the light-emitting structure 112 includes a cavity structure 1121 and a lamp bar 1122;

[0055] The cavity structure 1121 is disposed on both sides of the light guide layer 111 in the horizontal direction, and the cavity opening of the cavity structure 1121 faces the light guide layer 111; the lamp bar 1122 is disposed in the cavity structure 1121.

[0056] Among them, the cavity structure 1121 can fix the lamp bar 1122, and the lamp bar 1122 can provide light to the light guide layer 111, so that the reflective liquid crystal module 120 can obtain sufficient light in a relatively dark environment.

[0057] Based on the above embodiments, optionally, Figure 6 FIG. is a schematic circuit structure diagram of a light-emitting structure provided by an embodiment of the present invention. As Figure 6 shown, the light-emitting structure 112 further includes a driving module 1123; the driving module 1123 is connected to the lamp bar 1122, and the driving module 1123 can drive the lamp bar 1122 to emit light and control the brightness of the light emitted by the lamp bar 1122.

[0058] Among them, the brightness of the lamp bar 1122 can be controlled by the driving module 1123. For example, by adjusting the duty cycle of the pulse signal input to the driving module 1123, the driving module 1123 adjusts the brightness of the light emitted by the lamp bar 1122. Thus, according to the brightness change of the external ambient light, the brightness of the lamp bar 1122 can be controlled by the driving module 1123, and further the power consumption of the display module can be effectively reduced, thereby effectively saving electric energy.

[0059] Based on the above embodiments, Figure 7 FIG. is a schematic structural diagram of another display module provided by an embodiment of the present invention. As Figure 7 shown, the display module further includes a bonding layer 130, and the bonding layer 130 is disposed between the light processing layer 110 and the reflective liquid crystal module 120;

[0060] The bonding layer 130 can bond the light processing layer 110 and the reflective liquid crystal module 120, so that the light processing layer 110 and the reflective liquid crystal module 120 are fixed together.

[0061] An embodiment of the present invention further provides a display device, which includes the display module provided by any embodiment of the present invention, and thus has the beneficial effects of the display module provided by any embodiment of the present invention.

[0062] It should be understood that various forms of the processes shown above can be used, steps can be reordered, added or deleted. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution of the present invention can be achieved, and this is not limited herein.

[0063] The above specific embodiments do not constitute a limitation on the protection scope of the present invention. Those skilled in the art should understand that various modifications, combinations, sub - combinations and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A display module, characterized in that: including a light processing layer and a reflective liquid crystal module; The light processing layer includes a light guiding layer and a light emitting structure; The light guide layer is arranged on the display side of the reflective liquid crystal module, the light emitting structure is arranged on both sides of the light guide layer in the horizontal direction, and a plurality of dots are arranged on the side of the light guide layer away from the reflective liquid crystal module; The light emitting structure can provide supplementary light to the reflective liquid crystal module when the reflective liquid crystal module is displaying, and the light guide layer can convert the point light source emitted by the reflective liquid crystal module into a surface light source with concentrated light.

2. The display module according to claim 1, characterized in that: The structure of the network point is a right-angled prism; The right-angled rectangular surface of each of the grid points is perpendicular or parallel to the horizontal direction, and the right-angled triangular surface of each of the grid points is perpendicular to the horizontal direction.

3. The display module according to claim 2, characterized in that: The side of the light guide layer away from the reflective liquid crystal module includes a first area and a second area; The first region and the second region are symmetrical about a central symmetry axis of the light guide layer, and the central symmetry axis is parallel to an edge surface of the light guide layer close to the light emitting structure; Each of the dots arranged in the first area is symmetrical with a dot arranged in the second area about the central symmetry axis.

4. The display module according to claim 3, characterized in that: The rectangular slope of the dots arranged in the first area faces the light emitting structure close to the first area; The rectangular slope of the dots arranged in the second area faces the light emitting structure close to the second area.

5. The display module according to claim 3, characterized in that: The grid points provided in the first area are arranged in an array; The grid points disposed in the second area are arranged in an array.

6. The display module according to claim 1, characterized in that: The light-emitting structure comprises a cavity structure and a light bar; The cavity structure is arranged on both sides of the light guide layer in the horizontal direction, and the cavity opening of the cavity structure faces the light guide layer; The light bar is arranged in the cavity structure.

7. The display module according to claim 6, characterized in that: The light emitting structure further includes a driving module; The driving module is connected to the light bar, and the driving module can drive the light bar to emit light and control the brightness of the light bar.

8. The display module according to claim 1, characterized in that: It also includes a binding layer, which is arranged between the light processing layer and the reflective liquid crystal module; The binding layer can bond the light processing layer and the reflective liquid crystal module.

9. A display device, characterized in that: A display module comprising any one of claims 1-8.

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