Vehicle-mounted knob UI edge integrated black display screen
By setting a semi-transmissive ink layer on the surface of the diffusion film of the backlight module of the vehicle knob, the problem that the UI edge and the cover plate cannot appear integrated black after lighting is solved, and the black picture area with lower brightness is achieved, which improves the competitiveness of the product.
Patent Information
- Application Number
- CN202420738580.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-04-10
AI Technical Summary
After the existing car knob design is lit, there is a gap between the edge of the UI and the ink around the cover plate, which makes it impossible to show an integrated black effect, reducing the competitiveness of the product.
By providing a semi-transmissive ink layer on the diffusion film surface of the backlight module, covering the black picture area and some non-display area, the brightness of the black picture area is reduced, thereby achieving the effect of the ink around the UI edge and the cover plate being almost black when lit.
After lighting, the UI edge and the ink around the cover plate are almost black, which improves the competitiveness of the product.
Smart Images
Figure CN222784735U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of liquid crystal display, and more specifically to a vehicle-mounted knob UI edge integrated black display screen. Background Art
[0002] At present, the design of car knobs generally adopts the full lamination of LCD screen and cover plate. When not lit, the LCD screen viewing area and the black ink around the cover plate can present a black effect. After the UI screen is lit, there is a certain gap between the UI screen and the ink around the cover plate. This area often displays a black screen, but because the black screen also has a certain brightness, the driver visually sees that this area is dark blue, which is obviously different from the ink around the cover plate. As a result, after lighting, the UI edge and the cover plate cannot present a black effect, which reduces the competitiveness of the product. Utility Model Content
[0003] The technical problem to be solved by the utility model is how to achieve the effect that the edge of the UI and the cover plate are integrally black after lighting, so as to improve the competitiveness of the product.
[0004] The technical problem to be solved by the utility model is achieved through the following technical solutions:
[0005] In order to solve the above technical problems, the utility model provides a vehicle-mounted knob UI edge integrated black display screen, which includes a backlight module, a display module and a cover plate. When the outer edge of the display module near the non-visible area is lit, a black picture is displayed. The display module is arranged above the backlight module, and the cover plate is arranged above the display module. The backlight module includes a lower frame, a reflective sheet, a light guide plate, a diffusion film, a lower light-enhancing film and an upper light-enhancing film which are stacked in sequence from bottom to top. A semi-permeable ink layer is arranged on the surface of the diffusion film, and the semi-permeable ink layer covers the black picture area and part of the non-display area.
[0006] As a preferred implementation of the vehicle-mounted knob UI edge integrated black display screen provided by the utility model, the lower frame includes a base plate and a side wall extending upward from the edge of the base plate, and at least one elastic block is provided between the side of the light guide plate away from the light incident side and the side wall.
[0007] As a preferred implementation of the vehicle-mounted knob UI edge integrated black display screen provided by the utility model, at least one protrusion is provided on both sides of the elastic block.
[0008] As a preferred implementation of the vehicle-mounted knob UI edge integrated black display screen provided by the utility model, the elastic block is provided with a shock-absorbing hole between adjacent protrusions.
[0009] As a preferred implementation of the vehicle-mounted knob UI edge integrated black display screen provided by the utility model, grooves are provided on the inner wall of the shock-absorbing hole close to the side of the protrusion, and shock-absorbing devices are provided between adjacent grooves.
[0010] As a preferred implementation mode of the vehicle-mounted knob UI edge integrated black display screen provided by the utility model, the shock absorbing device is a spring or two magnets with the same poles facing each other.
[0011] As a preferred implementation of the vehicle-mounted knob UI edge integrated black display screen provided by the utility model, a double-sided adhesive is provided on one side of the upper surface of the light guide plate, three steps are formed on the double-sided adhesive, and the surface of each step is sticky, and the diffusion film, the lower brightness enhancement film and the upper brightness enhancement film are sequentially arranged on the three steps of the double-sided adhesive.
[0012] As a preferred implementation of the vehicle-mounted knob UI edge integrated black display screen provided by the utility model, the double-sided adhesive includes at least one stacking layer and at least one adhesive layer, the stacking layer forms the step, and the adhesive layer is arranged on the step.
[0013] As a preferred implementation mode of the vehicle-mounted knob UI edge integrated black display screen provided by the utility model, a convex column is provided on the upper surface of the light guide plate, and the convex column is used to position the double-sided adhesive.
[0014] As a preferred implementation of the vehicle-mounted knob UI edge integrated black display screen provided by the utility model, the upper surface of the light guide plate is provided with a ring groove surrounding the boss at the connection between the light guide plate and the boss.
[0015] The utility model has the following beneficial effects:
[0016] Since a semi-permeable ink layer is provided on the surface of the diffusion membrane, the semi-permeable ink layer can be provided on the upper surface of the diffusion membrane or on the lower surface of the diffusion membrane. The semi-permeable ink layer covers the black screen area and part of the non-display area to reduce the brightness of the black screen area, so as to make the brightness of the black screen area lower when the UI screen is lit, so as to achieve the effect that the black screen area at the edge of the UI and the ink around the cover plate are close to a whole black when lit, thereby improving the competitiveness of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the scheme in the present application, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0018] Figure 1This is a structural schematic diagram of a vehicle-mounted knob UI edge integrated black display screen provided by the utility model.
[0019] Figure 2 for Figure 1 Schematic diagram of the structure of the backlight module.
[0020] Figure 3 for Figure 2 Schematic diagram of the structure of the diffusion membrane.
[0021] Figure 4 This is a schematic diagram of the structure of Example 2.
[0022] Figure 5 for Figure 4 Schematic diagram of the structure of the elastic block.
[0023] Figure 6 This is a schematic diagram of the structure of Example 3.
[0024] Figure 7 for Figure 6 Schematic diagram of the improved structure.
[0025] Description of Figure Numbers:
[0026] Backlight module 100; display module 200; cover plate 300; lower frame 1; reflector 2; light guide plate 3; diffusion film 4; lower brightness enhancement film 5; upper brightness enhancement film 6; semi-transparent ink layer 7;
[0027] Bottom plate 11; side wall 12; elastic block 8; protrusion 81; shock absorbing hole 82; groove 83; shock absorbing device 84;
[0028] Double-sided adhesive 9; superimposed layer 91; adhesive layer 92; protruding column 31. DETAILED DESCRIPTION
[0029] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0031] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and "third" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0032] The utility model provides a vehicle-mounted knob UI edge integrated black display screen, which includes a backlight module, a display module and a cover plate. When the outer edge of the display module near the non-visible area is lit, a black picture is displayed. The display module is arranged above the backlight module, and the cover plate is arranged above the display module. The backlight module includes a lower frame, a reflective sheet, a light guide plate, a diffusion film, a lower light-enhancing film and an upper light-enhancing film which are sequentially stacked from bottom to top. A semi-permeable ink layer is arranged on the surface of the diffusion film, and the semi-permeable ink layer covers the black picture area and part of the non-display area.
[0033] Since a semi-permeable ink layer is provided on the surface of the diffusion membrane, the semi-permeable ink layer can be provided on the upper surface of the diffusion membrane or on the lower surface of the diffusion membrane. The semi-permeable ink layer covers the black screen area and part of the non-display area to reduce the brightness of the black screen area, so as to make the brightness of the black screen area lower when the UI screen is lit, so as to achieve the effect that the black screen area at the edge of the UI and the ink around the cover plate are close to a whole black when lit, thereby improving the competitiveness of the product.
[0034] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings. The present invention is described in detail below in conjunction with the accompanying drawings and embodiments, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limitations on the present invention.
[0035] Example 1
[0036] See also Figures 1 to 3 , which is a vehicle-mounted knob UI edge integrated black display screen provided by the utility model, comprising a backlight module 100, a display module 200 and a cover plate 300. When the outer edge of the display module 200 close to the non-visible area is lit, a black picture is displayed. The display module 200 is arranged above the backlight module 100, and the cover plate 300 is arranged above the display module 200. The backlight module 100 comprises a lower frame 1, a reflective sheet 2, a light guide plate 3, a diffusion film 4, a lower brightness enhancement film 5 and an upper brightness enhancement film 6 which are sequentially stacked from bottom to top. A semi-permeable ink layer 7 is arranged on the surface of the diffusion film 4, and the semi-permeable ink layer 7 covers the black picture area and part of the non-display area. Since a semi-permeable ink layer 7 is provided on the surface of the diffusion membrane 4, the semi-permeable ink layer 7 can be provided on the upper surface of the diffusion membrane 4 or on the lower surface of the diffusion membrane 4. The semi-permeable ink layer 7 covers the black screen area and part of the non-display area to reduce the brightness of the black screen area, so as to make the brightness of the black screen area lower when the UI screen is lit, so as to achieve the effect that the black screen area at the edge of the UI and the ink around the cover plate 300 are close to being one black when lit, thereby improving the competitiveness of the product.
[0037] Example 2
[0038] See also Figure 4 and Figure 5 As a further optimization scheme of Example 1, in this embodiment, the lower frame 1 includes a bottom plate 11 and a side wall 12 extending upward from the edge of the bottom plate 11, and at least one elastic block 8 is provided between the side of the light guide plate 3 away from the light incident side and the side wall 12. The elastic block 8 can make the light guide plate 3 firmly abut against the elastic block 8, buffer the impact force of the light guide plate 3 on the lower frame 1, avoid the collision between the light guide plate 3 and the lower frame 1 and cause noise, and also can improve the service life of the light guide plate 3.
[0039] Furthermore, at least one protrusion 81 is provided on both sides of the elastic block 8, and the protrusion 81 directly abuts against the light guide plate 3 and the side wall 12 of the lower frame 1, which can align the elastic block 8 with the light guide plate 3 and the side wall 12, further improving the buffering performance of the elastic block 8.
[0040] As the elastic block 8 is used for a longer time, the elasticity of the elastic block 8 will also weaken due to aging. In order to increase the ability of the elastic block 8 to buffer the impact force and increase the service life of the elastic block 8, the elastic block 8 is provided with a shock-absorbing hole 82 between adjacent protrusions 81. In this embodiment, the shock-absorbing hole 82 is a square hole. When the light guide plate 3 hits the elastic block 8, the elastic block 8 will be concave and deformed in the direction of the shock-absorbing hole 82 to absorb the impact force of the light guide plate 3, thereby further achieving the purpose of shock absorption and noise reduction. It should be noted that the shock-absorbing hole 82 can be a through hole or a blind hole, or an inner hole built into the elastic block 8, which is not limited here and falls within the protection scope of the utility model. The present embodiment uses a through hole, which is easy to manufacture and has a low production cost. The shape of the shock-absorbing hole 82 can be a square hole or a round hole, which can be selected according to actual conditions and is not limited here.
[0041] In order to further increase the ability of the elastic block 8 to buffer the impact force, a groove 83 is provided on the inner wall of the shock-absorbing hole 82 close to the side of the protrusion 81. In this embodiment, there are only two protrusions 81, so there are only two grooves 83. It is possible to set multiple protrusions 81 and multiple grooves 83 according to actual conditions. A shock-absorbing device 84 is provided between adjacent grooves 83. The shock-absorbing device 84 can be used to further increase the ability of the elastic block 8 to buffer the impact force and absorb the impact force of the light guide plate 3, thereby further achieving the purpose of shock absorption and noise reduction.
[0042] Furthermore, the shock absorbing device 84 is any one of a spring or two magnets with the same poles facing each other. The elastic force of the spring or the repulsive force generated by the two magnets with the same poles facing each other is used to further increase the ability of the elastic block 8 to buffer the impact force. The spring and magnet are standard commodities that can be purchased on the market, and no special customization is required. The procurement cost is low and can be replaced at any time, which is cost-effective.
[0043] Example 3
[0044] See also Figure 6 and Figure 7As a further optimization scheme of Example 1, in this embodiment, a double-sided adhesive tape 9 is provided on one side of the upper surface of the light guide plate 3, and three steps are formed on the double-sided adhesive tape 9. The surface of each step is sticky, and the diffusion film 4, the lower light-enhancing film 5 and the upper light-enhancing film 6 are sequentially arranged on the three steps of the double-sided adhesive tape 9. Since the surface of the step is sticky, the diffusion film 4, the lower light-enhancing film 5 and the upper light-enhancing film 6 can be fixed on the surface of the step to avoid displacement and sound; the double-sided adhesive tape 9 can be completed by the die-cutting factory, and the assembly only needs to be attached once, which can be automated to improve production efficiency; it also avoids the problem of the diffusion film 4, the lower light-enhancing film 5 and the upper light-enhancing film 6 not being able to stick and the generation of bright lines caused by setting steps on the light guide plate 3; the mold manufacturing of the light guide plate 3 is also simpler, and the luminous effect is easier to handle; the distance between the double-sided adhesive tape 9 and the visible area of the display module 200 can be set smaller.
[0045] Further, the double-sided adhesive tape 9 includes at least one stacking layer 91 and at least one adhesive layer 92. In this embodiment, the stacking layer 91 and the adhesive layer 92 are both three layers, and the stacking layer 91 is formed with a step, and the adhesive layer 92 is arranged on the step. The stacking layer 91 can be composed of a multi-layer structure of different lengths to form the step, and the height of each layer of the multi-layer structure can be designed according to the height of the diffusion film 4, the lower brightness enhancement film 5 and the upper brightness enhancement film 6, so as to ensure that the height of the double-sided adhesive tape 9 is consistent with the height of the diffusion film 4, the lower brightness enhancement film 5 and the upper brightness enhancement film 6.
[0046] Furthermore, the material of the stacking layer 91 is preferably a film material, and more preferably, the material is preferably PET.
[0047] Furthermore, a boss 31 is provided on the upper surface of the light guide plate 3, and the boss 31 is used to position the double-sided adhesive 9, which can further improve the assembly efficiency, shorten the assembly time, thereby reducing the assembly cost and improving the competitiveness of the product.
[0048] When the number of molds manufactured is large, the mold at the protrusion 31 will be worn to a certain extent. The wear here will cause a fillet to be formed between the light guide plate 3 and the protrusion 31 produced later. When the fillet exists, the optical film group will interfere with the fillet, resulting in the inability to install the optical film group. Therefore, preferably, the upper surface of the light guide plate 3 is provided with a ring groove surrounding the protrusion 31 at the connection between the light guide plate 3 and the protrusion 31. When the mold is worn, it will only be worn at the ring groove, so as to avoid the edge corner of the protrusion 31 being rounded due to the wear of the mold, which will interfere with other parts and affect the assembly accuracy, thereby improving the yield rate and assembly efficiency.
[0049] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0050] Obviously, the embodiments described above are only some embodiments of the present application, rather than all embodiments. The preferred embodiments of the present application are given in the accompanying drawings, but they do not limit the patent scope of the present application. The present application can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to perform equivalent replacement of some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of this application, directly or indirectly used in other related technical fields, is similarly within the scope of patent protection of this application.
Claims
1. A vehicle-mounted knob UI edge integrated black display screen, characterized in that: It includes a backlight module, a display module and a cover plate. When the outer edge of the display module near the non-visible area is lit, a black picture is displayed. The display module is arranged above the backlight module, and the cover plate is arranged above the display module. The backlight module includes a lower frame, a reflective sheet, a light guide plate, a diffusion film, a lower brightness enhancement film and an upper brightness enhancement film which are stacked in sequence from bottom to top. A semi-transparent ink layer is arranged on the surface of the diffusion film, and the semi-transparent ink layer covers the black picture area and part of the non-display area.
2. The vehicle-mounted knob UI edge integrated black display screen according to claim 1, characterized in that: The lower frame includes a bottom plate and a side wall extending upward from an edge of the bottom plate, and at least one elastic block is disposed between a side of the light guide plate away from the light incident side and the side wall.
3. The vehicle-mounted knob UI edge integrated black display screen according to claim 2, characterized in that: At least one protrusion is disposed on both sides of the elastic block.
4. The vehicle-mounted knob UI edge integrated black display screen according to claim 3, characterized in that: The elastic block is provided with a shock absorbing hole between adjacent protrusions.
5. The vehicle-mounted knob UI edge integrated black display screen according to claim 4, characterized in that: Grooves are arranged on the inner wall of the shock absorbing hole on one side close to the protrusion, and shock absorbing devices are arranged between adjacent grooves.
6. The vehicle-mounted knob UI edge integrated black display screen according to claim 5, characterized in that: The shock absorbing device is a spring or two magnets with the same poles facing each other.
7. The vehicle-mounted knob UI edge integrated black display screen according to claim 1, characterized in that: A double-sided adhesive is provided on one side of the upper surface of the light guide plate, and three steps are formed on the double-sided adhesive. Each step surface is sticky, and the diffusion film, the lower brightness enhancement film and the upper brightness enhancement film are sequentially arranged on the three steps of the double-sided adhesive.
8. The vehicle-mounted knob UI edge integrated black display screen according to claim 7, characterized in that: The double-sided adhesive comprises at least one stacking layer and at least one adhesive layer, the stacking layer is formed with the step, and the adhesive layer is arranged on the step.
9. The vehicle-mounted knob UI edge integrated black display screen according to claim 7, characterized in that: The upper surface of the light guide plate is provided with a convex column, and the convex column is used to position the double-sided adhesive.
10. The vehicle-mounted knob UI edge integrated black display screen according to claim 9, characterized in that: An annular groove surrounding the convex column is provided on the upper surface of the light guide plate at the connection between the light guide plate and the convex column.