Display module and vehicle

Abstract

The utility model discloses a display module and a vehicle, the display module comprises a texture pattern layer, a first transparent electrode layer, a piezoelectric vibration layer and a second transparent electrode layer, and the texture pattern layer is arranged between a display panel and a cover plate; the first transparent electrode layer is arranged on the side, away from the display panel, of the texture pattern layer, the piezoelectric vibration layer is arranged on the side, away from the display panel, of the first transparent electrode layer, and the second transparent electrode layer is arranged on the side, away from the display panel, of the piezoelectric vibration layer. The touch piezoelectric vibration layer can generate vibration after the first transparent electrode layer and the second transparent electrode layer are powered on, when a finger slides on the display module, the finger can feel the vibration sense, and the display effect of texture patterns can be achieved through the touch piezoelectric vibration layer. Therefore, the visual effect and the physical touch effect of the decorative surface of the display module are achieved at the same time.

Description

Technical Field

[0001] This application relates to the field of display technology, specifically to a display module and a vehicle. Background Technology

[0002] With breakthroughs in technologies such as organic light-emitting display and touch interaction, a technology has emerged that integrates translucent surface materials into the display screen, making the display screen a decorative surface with a sense of design. However, the decorative surface of conventional display screens can only achieve visual effects and lacks real physical tactile feel. When a finger touches the display screen, it can only feel the smooth surface of the display screen and cannot experience the tactile effect of the decorative surface. Utility Model Content

[0003] Embodiments of this application provide a display module and a vehicle that can achieve both visual effects on the decorative surface of the display module and physical tactile effects.

[0004] In a first aspect, embodiments of this application provide a display module, comprising:

[0005] Display panel;

[0006] A cover plate, wherein the cover plate is disposed on the light-emitting side of the display panel;

[0007] A texture pattern layer is disposed between the display panel and the cover plate;

[0008] A first transparent electrode layer is disposed on the side of the texture pattern layer away from the display panel;

[0009] A piezoelectric vibration layer is disposed on the side of the first transparent electrode layer away from the display panel;

[0010] The second transparent electrode layer is disposed on the side of the piezoelectric vibration layer away from the display panel.

[0011] Furthermore, the piezoelectric vibration layer includes a plurality of piezoelectric vibration parts, which are spaced apart.

[0012] Furthermore, the display panel includes a plurality of pixels, which are spaced apart. In a preset direction of the display module, the ratio of the length of the piezoelectric vibrating part to the length of the pixel is N, where N is a positive integer and N is not greater than 6.

[0013] Furthermore, the display panel also includes a black matrix, which includes a plurality of light-shielding portions located between two adjacent pixels, wherein the spacing between the piezoelectric vibrating portions is equal to the width of the light-shielding portions.

[0014] Furthermore, the display module also includes a controller, which is electrically connected to the first transparent electrode layer and the second transparent electrode layer, and is used to provide voltage signals to the piezoelectric vibration layer through the first transparent electrode layer and the second transparent electrode layer.

[0015] Furthermore, the texture pattern layer includes multiple different texture regions, and the controller is also used to input voltage signals of different magnitudes to the piezoelectric vibration section located in different texture regions through the first transparent electrode layer and the second transparent electrode layer.

[0016] Furthermore, the thickness of the piezoelectric vibration layer is 2µm to 5µm.

[0017] Furthermore, the material of the textured pattern layer is a wood coating.

[0018] Furthermore, the thickness of the wood coating is 0.1µm to 1µm.

[0019] Furthermore, the display module also includes a transparent adhesive layer, through which the texture pattern layer is bonded to the display panel.

[0020] Secondly, embodiments of this application provide a vehicle that includes the aforementioned display module.

[0021] The beneficial effects of this application are:

[0022] This application provides a display module comprising a textured pattern layer, a first transparent electrode layer, a piezoelectric vibration layer, and a second transparent electrode layer. The textured pattern layer is disposed between the display panel and the cover plate. The first transparent electrode layer is disposed on the side of the textured pattern layer away from the display panel, the piezoelectric vibration layer is disposed on the side of the first transparent electrode layer away from the display panel, and the second transparent electrode layer is disposed on the side of the piezoelectric vibration layer away from the display panel. This enables the display module to achieve a textured pattern display effect. Furthermore, when the first and second transparent electrode layers are energized, touching the piezoelectric vibration layer generates vibration. When a finger slides on the display module, a vibration can be felt, thus simultaneously achieving both the visual effect of the decorative surface of the display module and the physical tactile effect. Attached Figure Description

[0023] Figure 1 This is a top view of the display module of this application;

[0024] Figure 2 yes Figure 1 The diagram shows a first structure of the piezoelectric vibrating part of the display module at AA′ when no power is applied.

[0025] Figure 3 yes Figure 1 The diagram shows a second structure of the display module at AA′ when the piezoelectric vibrating part is not powered on;

[0026] Figure 4 yes Figure 2 A schematic diagram of the piezoelectric vibrating part of the display module with the first structure shown, when energized.

[0027] Explanation of reference numerals in the attached figures:

[0028] 10-Display module; 100-Display panel; 110-Pixel; 120-Black matrix; 121-Light shield; 200-Cover plate; 300-Texture pattern layer; 400-First transparent electrode layer; 500-Piezoelectric vibration layer; 510-Piezoelectric vibration part; 600-Second transparent electrode layer; 700-Transparent adhesive layer; 800-Controller. Detailed Implementation

[0029] The technical solutions in the embodiments of this application will now be described with reference to the accompanying drawings. The technical solutions described below are for illustrative purposes only and should not be construed as limiting the scope of protection of this application.

[0030] Furthermore, the terms "first," "second," and similar words do not indicate any order, quantity, or importance, but are merely used to distinguish different technical features. The terms "multiple" and similar words indicate two or more unless otherwise expressly specified.

[0031] Embodiments of this application provide a display module 10, with reference to... Figures 1-4 It includes a display panel 100, a cover plate 200, a textured pattern layer 300, a first transparent electrode layer 400, a piezoelectric vibration layer 500, and a second transparent electrode layer 600.

[0032] Specifically, the cover plate 200 is disposed on the light-emitting side of the display panel 100; the texture pattern layer 300 is disposed between the display panel 100 and the cover plate 200; the first transparent electrode layer 400 is disposed on the side of the texture pattern layer 300 away from the display panel 100; the piezoelectric vibration layer 500 is disposed on the side of the first transparent electrode layer 400 away from the display panel 100; and the second transparent electrode layer 600 is disposed on the side of the piezoelectric vibration layer 500 away from the display panel 100.

[0033] Conventional display screens only provide a visual effect and lack a real physical tactile feel. When you touch the display screen with your finger, you can only feel the smooth surface of the screen and cannot experience the tactile effect of the decorative surface. Therefore, the technical solution of this application sets the display module 10 to include a texture pattern layer 300, a first transparent electrode layer 400, a piezoelectric vibration layer 500, and a second transparent electrode layer 600. The texture pattern layer 300 is disposed between the display panel 100 and the cover plate 200. The first transparent electrode layer 400 is disposed on the side of the texture pattern layer 300 away from the display panel 100. The piezoelectric vibration layer 500 is disposed on the side of the first transparent electrode layer 400 away from the display panel 100. The second transparent electrode layer 600 is disposed on the side of the piezoelectric vibration layer 500 away from the display panel 100. This allows the display module 10 to achieve a texture pattern display effect. Furthermore, when the first transparent electrode layer 400 and the second transparent electrode layer 600 are energized, touching the piezoelectric vibration layer 500 can generate vibration. When a finger slides on the display module 10, a vibration can be felt. Thus, the visual effect of the decorative surface of the display module 10 and the physical tactile effect are achieved simultaneously.

[0034] The principle of texture pattern display: When the display panel 100 is working, the piezoelectric vibration layer 500 does not need to be powered. The output light of the display panel 100 passes through the texture pattern of the texture pattern layer 300, and the visual light of the texture pattern enters the human eye, producing a visual texture pattern display.

[0035] The tactile principle of the texture pattern: When the display panel 100 is working, the piezoelectric vibration layer 500 is simultaneously energized, and the piezoelectric vibration layer 500 vibrates, generating a tactile sensation when the display module 10 is touched.

[0036] In this embodiment, reference Figures 2-4 The piezoelectric vibration layer 500 includes a plurality of piezoelectric vibration parts 510, which are spaced apart. By including a plurality of piezoelectric vibration parts 510 in the piezoelectric vibration layer 500, and spaced apart, the piezoelectric vibration parts 510 located in different areas of the display module 10 can be controlled by applying different voltage signals. The piezoelectric vibration parts 510 located in different areas of the display module 10 produce different deformations, which helps to produce different vibration effects in different areas of the display module 10. When a finger slides on the display module 10, different vibrations can be felt in different areas of the display module 10.

[0037] In this embodiment, reference Figure 2The display panel 100 includes a plurality of pixels 110, which are spaced apart. In a preset direction X of the display module 10, the ratio of the length a of the piezoelectric vibrating part 510 to the length b of the pixel 110 is N, where N is a positive integer and not greater than 6. By configuring the display panel 100 to include a plurality of pixels 110, which are spaced apart, and in the preset direction X of the display module 10, the ratio of the length a of the piezoelectric vibrating part 510 to the length b of the pixel 110 is N, where N is a positive integer and not greater than 6, it is possible to avoid the piezoelectric vibrating part 510 being too long, thus reducing the tactile feedback of the touch display module 10. Preferably, the ratio N of the length a of the piezoelectric vibrating part 510 to the length b of the pixel 110 is 1, 3, or 6.

[0038] In this embodiment, reference Figure 2 The ratio N between the length a of the piezoelectric vibrating part 510 and the length b of the pixel 110 is 3 or 6. Since the display panel 100 requires the joint action of three pixels 110 during display, by setting the ratio N between the length a of the piezoelectric vibrating part 510 and the length b of the pixel 110 to 3 or 6, the length a of one piezoelectric vibrating part 510 matches the sum of the lengths b of the three sub-pixels 110, thereby ensuring that the length a of the piezoelectric vibrating part 510 can better match the size of the pixel 110 and the texture pattern of the texture pattern layer 300.

[0039] In this embodiment, reference Figure 2 The display panel 100 further includes a black matrix 120, which includes a plurality of light-shielding portions 121. Each light-shielding portion 121 is located between two adjacent pixels 110. The spacing c between the piezoelectric vibrating portions 510 is equal to the width d of the light-shielding portion 121. By setting the spacing c between the piezoelectric vibrating portions 510 to be equal to the width d of the light-shielding portion 121, it is possible to avoid excessive spacing between adjacent piezoelectric vibrating portions 510, which could reduce the tactile feedback of the touch display module 10.

[0040] In this embodiment, reference Figure 2The thickness e of the piezoelectric vibration layer 500 is 2µm to 5µm. By setting the thickness e of the piezoelectric vibration layer 500 to 2µm to 5µm, the vibration effect of the piezoelectric vibration layer 500 can be guaranteed, avoiding a weak tactile sensation when touching the display module 10. On the other hand, it avoids the increased difficulty in film formation of the piezoelectric vibration layer 500 due to an excessively thick thickness e, and also avoids an increase in the manufacturing cost of the display module 10 due to the thickness e of the piezoelectric vibration layer 500. Preferably, the thickness e of the piezoelectric vibration layer 500 is 2µm, 2.1µm, 2.2µm, 2.3µm, 2.4µm, 2.5µm, 2.6µm, 2.7µm, 2.8µm, 2.9µm, 3µm, 3.1µm, 3.2µm, 3.3µm, 3.4µm, 3.5µm, 3.6µm, 3.7µm, 3.8µm, 3.9µm, 4µm, 4.1µm, 4.2µm, 4.3µm, 4.4µm, 4.5µm, 4.6µm, 4.7µm, 4.8µm, 4.9µm, or 5µm.

[0041] In this embodiment, the piezoelectric vibration layer 500 is made of lead zirconate titanate.

[0042] In this embodiment, the display module further includes a controller 800, which is electrically connected to the first transparent electrode layer 400 and the second transparent electrode layer 600, and is used to provide voltage signals to the piezoelectric vibration layer 500 through the first transparent electrode layer 400 and the second transparent electrode layer 600.

[0043] In this embodiment, the texture pattern layer includes multiple different texture regions. The controller 800 is further configured to input voltage signals of different magnitudes to the piezoelectric vibration units 510 located in different texture regions through the first transparent electrode layer 400 and the second transparent electrode layer 600. By setting the texture pattern layer 300 to include multiple different texture regions, and the controller 800 being configured to input voltage signals of different magnitudes to the piezoelectric vibration units 510 located in different texture regions through the first transparent electrode layer 400 and the second transparent electrode layer 600, the piezoelectric vibration units 510 located in different texture regions can generate different deformation magnitudes, thereby achieving different vibration effects in different texture regions. When a finger slides on the display module 10, different vibration sensations can be felt in different areas of the display module 10.

[0044] In this embodiment, the texture pattern layer 300 is made of wood coating. By setting the material of the texture pattern layer 300 to wood coating, the display module 10 can achieve a visual wood grain texture display. Furthermore, since the wood grain texture varies in different areas of the display module 10, when the texture pattern layer 300 made of wood coating is combined with a piezoelectric vibration layer 500 including multiple piezoelectric vibration units 510, the voltage input to the piezoelectric vibration units 510 located in different areas of the display module 10 can be controlled when the piezoelectric vibration layer 500 is energized. This allows different vibration effects to be generated in different areas of the display module 10, which is beneficial for adapting the vibration effects of different areas of the display module 10 to the wood grain texture pattern. When a finger slides on the display module 10, different vibrations can be felt in different areas of the display module 10, thereby improving the fusion effect of the visual and tactile wood grain texture patterns of the display module 10.

[0045] In this embodiment, reference Figure 2 The thickness f of the wood coating is 0.1µm to 1µm. By setting the thickness f of the wood coating to 0.1µm to 1µm, on the one hand, it ensures that the display module 10 can display the wood grain pattern, avoiding a poor effect caused by the wood grain pattern being too thin, and on the other hand, it avoids excessive light transmittance caused by the wood coating being too thick. Preferably, the thickness f of the wood coating is 0.1µm, 0.12µm, 0.14µm, 0.16µm, 0.18µm, 0.2µm, 0.22µm, 0.24µm, 0.26µm, 0.28µm, 0.3µm, 0.32µm, 0.34µm, 0.36µm, 0.38µm, 0.4µm, 0.42µm, 0.44µm, 0.46µm, 0.48µm, 0.5µm, 0.52µm. m, 0.54um, 0.56um, 0.58um, 0.6um, 0.62um, 0.64um, 0.66um, 0.68um, 0.7um, 0.72um, 0.74um, 0.76 um, 0.78um, 0.8um, 0.82um, 0.84um, 0.86um, 0.88um, 0.9um, 0.92um, 0.94um, 0.96um, 0.98um or 1um.

[0046] In this embodiment, reference Figure 4 The display module 10 further includes a transparent adhesive layer 700, and the texture pattern layer 300 is bonded to the display panel 100 through the transparent adhesive layer 700. The texture pattern layer 300 is a light-transmitting film.

[0047] Secondly, embodiments of this application provide a vehicle that includes the aforementioned display module 10.

[0048] The specific embodiments of this application have been described in detail above. The embodiments disclosed above are merely preferred embodiments of this application. Those skilled in the art can make many modifications and improvements without departing from the concept of this application. All such modifications and improvements fall within the scope of protection defined by the claims of this application.

Claims

1. A display module, characterized in that, include: Display panel; A cover plate, wherein the cover plate is disposed on the light-emitting side of the display panel; A texture pattern layer is disposed between the display panel and the cover plate; A first transparent electrode layer is disposed on the side of the texture pattern layer away from the display panel; A piezoelectric vibration layer is disposed on the side of the first transparent electrode layer away from the display panel; The second transparent electrode layer is disposed on the side of the piezoelectric vibration layer away from the display panel.

2. The display module according to claim 1, characterized in that, The piezoelectric vibration layer includes multiple piezoelectric vibration parts, which are spaced apart.

3. The display module according to claim 2, characterized in that, The display panel includes multiple pixels, which are spaced apart. In a preset direction of the display module, the ratio of the length of the piezoelectric vibrating part to the length of the pixel is N, where N is a positive integer and N is not greater than 6.

4. The display module according to claim 3, characterized in that, The display panel further includes a black matrix, which includes multiple light-shielding portions located between two adjacent pixels, wherein the spacing between the piezoelectric vibrating portions is equal to the width of the light-shielding portions.

5. The display module according to claim 2, characterized in that, The display module also includes a controller, which is electrically connected to the first transparent electrode layer and the second transparent electrode layer, and is used to provide voltage signals to the piezoelectric vibration layer through the first transparent electrode layer and the second transparent electrode layer.

6. The display module according to claim 5, characterized in that, The texture pattern layer includes multiple different texture regions, and the controller is also used to input voltage signals of different magnitudes to the piezoelectric vibration parts located in different texture regions through the first transparent electrode layer and the second transparent electrode layer.

7. The display module according to claim 1, characterized in that, The thickness of the piezoelectric vibration layer is 2µm to 5µm.

8. The display module according to claim 1, characterized in that, The material of the textured pattern layer is wood coating.

9. The display module according to claim 8, characterized in that, The thickness of the wood coating is 0.1µm to 1µm.

10. A vehicle, characterized in that, Includes the display module as described in any one of claims 1-9.

Images