Vehicle-mounted display ultra-narrow frame module
By employing a precise design that incorporates components such as emitters and flexible circuit boards within die-cast parts in the vehicle display screen, the iron frame in the backlight is eliminated, achieving an ultra-narrow bezel effect. This enhances the aesthetics of the display screen, reduces costs, and solves the problem of high costs associated with bezel-less designs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUHU CHANGXIN NEW DISPLAY DEVICE CO LTD
- Filing Date
- 2025-05-12
- Publication Date
- 2026-08-04
AI Technical Summary
In the existing technology, the borderless design of in-vehicle displays is costly and it is difficult to achieve an ultra-narrow bezel effect, which affects the aesthetics and technological feel of the display and increases production costs.
The device incorporates components such as a light emitter, light guide plate, diffuser, lower light enhancer, upper light enhancer, and privacy film within die-cast parts. Combined with the precise design of the flexible circuit board and glass cover, the iron frame design in the backlight is eliminated, achieving an ultra-narrow bezel effect.
It achieves an ultra-narrow bezel design, which improves the screen-to-body ratio and aesthetics of the display, reduces production costs, and meets the cost control and design requirements of car manufacturers.
Smart Images
Figure CN224594956U_ABST
Abstract
Description
Technical Field
[0001] This utility model mainly relates to the technical field of vehicle display screens, specifically to a vehicle display ultra-narrow bezel module. Background Technology
[0002] In recent years, with the structural innovation of the automotive industry, more and more automakers have gradually shifted their focus to the interior and displays of their vehicles. Large screens of 12.3, 14.6, 15.6, and 17.3 inches, dual-screen, triple-screen displays, and narrow and ultra-narrow bezels have become major areas of focus for automakers. Among these, automakers are particularly interested in the design concept of ultra-narrow bezels. Similar to the evolution of mobile phone screens—from wide bezels to narrow bezels, and then to bezel-less OLED screens—the evolution of mobile phone screens represents a growing trend towards bezel-less designs. Therefore, the narrow-bezel and bezel-less design of automotive displays is bound to become a mainstream trend in the future. Currently, due to intense competition within the automotive industry, automakers are increasingly demanding cost control. The high cost of bezel-less OLED screens is hindering their widespread adoption, so automakers urgently need a transitional solution. Summary of the Invention
[0003] This utility model mainly provides an ultra-narrow bezel module for vehicle display to solve the technical problems mentioned in the background art.
[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:
[0005] An ultra-narrow bezel module for vehicle display includes a die-cast part, and the die-cast part has an emitting sheet, a light guide plate, a diffuser, a lower light enhancement sheet, an upper light enhancement sheet, and a privacy film installed inside it in sequence.
[0006] The top of the die-cast part is connected to a flexible circuit board, an optically transparent adhesive, and a glass cover plate arranged in sequence. The edge of the glass cover plate is connected to the outer surface of the die-cast part by hot melt adhesive.
[0007] Furthermore, the left and right sides and the top edge of the glass cover plate are at the edge of the die-cast part, which is the boundary of the first liquid crystal display module. The length of the boundary of the first liquid crystal display module is 4.95-5.1mm.
[0008] Furthermore, the distance between the ground edge of the glass cover and the edge of the die-cast part is the boundary of the second liquid crystal display module, and the length of the boundary of the second liquid crystal display module is 9.95-10.1mm.
[0009] Furthermore, the distance between the edge of the glass cover plate and the outer edge of the die-cast part is the boundary of the glass cover plate, and the length of the glass cover plate boundary plate is 0.3-0.5mm.
[0010] Furthermore, the wall thickness of the die-cast part is 2.2-2.5 mm.
[0011] Furthermore, the distance between the outer edge of the flexible circuit board and the outer edge of the die-cast part is the boundary gap of the flexible circuit board, and the length of the boundary gap of the flexible circuit board is 0.45-0.5mm;
[0012] The distance between the outer edge of the flexible circuit board and the components on the flexible circuit board is the boundary of the flexible circuit board, and the length of the boundary of the flexible circuit board is 7-8mm.
[0013] Furthermore, the ground side of the emitting sheet near the bottom of the die-cast part is provided with an LED bead connected to the inside of the die-cast part, and the ground side of the privacy film away from the upper light-enhancing sheet is connected with foam adhesive.
[0014] The LED beads are arranged on a plane to form an LED light-emitting surface. The light generated by the LED light-emitting surface is processed by an emitting sheet, a light guide plate, a diffuser, a lower brightness enhancement sheet, and an upper brightness enhancement sheet to form an active area. The distance from the LED light-emitting surface to the active area is the boundary of the LED light-emitting surface, and the length of the LED light-emitting surface boundary is 6.5-6.8mm.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0016] Firstly, this invention achieves an ultra-narrow bezel design by precisely designing the dimensions and positions of various components, such as the specific distance between the edge of the flexible circuit board and the backlight glass groove, and the distance of the cover glass's outer edge extending beyond the backlight edge. Combined with different screen sizes, this achieves the ultra-narrow bezel effect. Taking 12.3-inch, 14.6-inch, 15.6-inch, and 17.3-inch models as examples, the corresponding narrow bezel sizes are achieved, increasing the screen-to-body ratio of the in-vehicle display, making the display more immersive, enhancing the product's aesthetics and technological feel, meeting automakers' demands for ultra-narrow bezel designs, and improving the overall quality of the vehicle's interior.
[0017] Secondly, this invention reduces costs by eliminating the iron frame design in the backlight, thus reducing material costs; the integrated die-cast backlight housing design avoids the need for an additional backlight housing design and production, further reducing costs. This design optimization effectively controls production costs without affecting product performance, improves the product's market competitiveness, and meets the cost control requirements of automakers.
[0018] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. Attached Figure Description
[0019] Figure 1 This is a cutaway view of the left and right side sectional views of this utility model;
[0020] Figure 2 This is a broken view of the side sectional view of this utility model.
[0021] In the diagram: 1. Die-cast part; 2. Emitting sheet; 3. Light guide plate; 4. Diffuser sheet; 5. Lower brightness enhancement sheet; 6. Upper brightness enhancement sheet; 7. Privacy film; 8. Flexible circuit board; 9. Optical transparent adhesive; 10. Glass cover plate; 11. Hot melt adhesive; 12. Boundary of the first liquid crystal display module; 13. Boundary of the glass cover plate; 14. Wall thickness; 15. Gap between the boundaries of the flexible circuit board; 16. Boundary of the flexible circuit board; 17. LED beads; 18. Foam adhesive; 19. Active area; 20. Boundary of the second liquid crystal display module. Detailed Implementation
[0022] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive.
[0023] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0025] This application provides an ultra-narrow bezel module for automotive displays, as illustrated in the schematic diagram below. Figure 1-2 As shown. The vehicle display ultra-narrow bezel module includes a die-cast part 1, and the die-cast part 1 has an emitting sheet 2, a light guide plate 3, a diffuser 4, a lower brightness enhancement sheet 5, an upper brightness enhancement sheet 6, and a privacy film 7 arranged sequentially inside it;
[0026] The top of the die-cast part 1 is connected to a flexible circuit board 8, an optical transparent adhesive 9 and a glass cover plate 10 arranged in sequence. The edge of the glass cover plate 10 is connected to the outer surface of the die-cast part 1 by hot melt adhesive 11.
[0027] It should be noted that in this embodiment, the die-cast part 1 provides stable support and protection for the internal components, ensuring the stability of the module in the complex environment of the vehicle and extending its service life. The emitter 2, light guide plate 3, diffuser 4, lower brightening plate 5, upper brightening plate 6, and privacy film 7 are arranged in sequence, optimizing the light propagation path, improving the display effect, and making the picture clearer and the colors more vibrant. The connection method of the flexible circuit board 8, optical transparent adhesive 9, and glass cover 10 ensures stable electrical connection. The glass cover 10 is connected to the die-cast part 1 by hot melt adhesive 11, which has good waterproof and dustproof performance, protects the internal precision components, and facilitates the assembly and production of the module, reducing costs.
[0028] Optionally, such as Figure 1 and Figure 2 As shown, the left and right sides and the top edge of the glass cover plate 10 are at a distance from the edge of the die-cast part 1, which is the boundary 12 of the first liquid crystal display module. The length of the boundary 12 of the first liquid crystal display module is 4.95-5.1mm.
[0029] In this embodiment, if the display screen is a 12.3-inch module, the length of the first liquid crystal display module boundary 12 between the left and right sides of the glass cover plate 10 and the top edge and the edge of the die-cast part 1 is 4.95mm. This size achieves an ultra-narrow bezel, expands the visible area, reduces visual obstruction while driving, improves information acquisition efficiency, enhances the technological feel and aesthetics of the vehicle display screen, and improves the user experience.
[0030] If the display screen is a 14.6-inch module, the length of the first LCD display module boundary 12 is 5.0mm. This size satisfies the narrow bezel design while ensuring the stability of the connection between the glass cover 10 and the die-cast part 1, preventing loosening or damage caused by the narrow bezel, ensuring the durability of the module, making the display screen more visually impactful, and improving the overall visual effect of the vehicle interior.
[0031] If the display screen is a 15.6-inch module, the length of the first LCD display module boundary 12 is 5.05mm. This length provides suitable space for the connection process between the glass cover 10 and the die-cast part 1, improving the production yield. In practical use, this helps the in-vehicle display screen to better integrate into the vehicle interior, providing passengers with an immersive visual experience and enhancing the vehicle's class.
[0032] If the display is a 17.3-inch module, the length of the first LCD display module boundary 12 is 5.1mm. For large-size screens, this boundary length enhances the robustness of the connection between the glass cover 10 and the die-cast part 1, enabling it to withstand vibrations and bumps during vehicle operation, ensuring stable operation of the display module in complex environments, and guaranteeing display quality.
[0033] Optionally, such as Figure 1 and Figure 2As shown, the distance between the ground edge of the glass cover plate 10 and the edge of the die-cast part 1 is the boundary 20 of the second liquid crystal display module, and the length of the boundary 20 of the second liquid crystal display module is 9.95-10.1mm.
[0034] In this embodiment, if the display screen is a 12.3-inch module, the length of the second liquid crystal display module boundary 20 between the ground edge of the glass cover 10 and the edge of the die-cast part 1 is 9.95mm. The ground side serves as the LED light-incident side, and the wider boundary provides ample space for the LED beads 17 and heat dissipation components, which is conducive to heat dissipation, ensures stable light emission of the LED beads 17, improves the brightness uniformity and color accuracy of the display module, and provides a clear and comfortable visual effect for the driver.
[0035] If the display screen is a 14.6-inch module, the second LCD display module boundary 20 has a length of 10.0mm. This size meets the requirements for LED light intake and heat dissipation, while also accommodating a narrow bezel design. This ensures display performance while making the display screen more aesthetically pleasing and better integrated with the vehicle's interior, enhancing the overall interior quality.
[0036] If the display is a 15.6-inch module, the boundary length of the second LCD display module 20 is 10.05mm. This boundary length optimizes the layout space of the LED optical components, promotes efficient light introduction and uniform distribution, reduces differences in screen brightness, improves display quality, brings passengers a better visual experience, and enhances the reliability of the module in complex in-vehicle environments.
[0037] If the display is a 17.3-inch module, the length of the second LCD display module boundary 20 is 10.1mm. Large screens require more space to ensure LED light intake and heat dissipation. This boundary length ensures the stable operation of the LED beads 17, providing uniform and bright backlight for the large screen, making the picture details clearer and the colors more vibrant, meeting the high-quality visual requirements of the large screen, and ensuring the stability and long-term reliability of the module structure.
[0038] Optionally, such as Figure 1 and Figure 2 As shown, the distance between the edge of the glass cover plate 10 and the outer edge of the die-cast part 1 is the glass cover plate boundary 13, and the length of the glass cover plate boundary 13 is 0.3-0.5mm.
[0039] In this embodiment, the distance between the edge of the glass cover plate 10 and the outer edge of the die-cast part 1 from the glass cover plate boundary 13 is limited to 0.3-0.5mm. This effectively covers the gap between the edge of the die-cast part 1 and the internal components, preventing dust and moisture from entering and affecting the display effect and component performance. At the same time, it does not affect the aesthetics of the module and the narrow bezel design due to an excessively long boundary, thus achieving a balance between protection and aesthetics.
[0040] Optionally, such as Figure 1 and Figure 2As shown, the wall thickness 14 of die-cast part 1 is 2.2-2.5mm.
[0041] In this embodiment, the wall thickness 14 of the die-cast part 1 is set to 2.2-2.5mm, providing sufficient support and protection for the internal components of the module, ensuring its structural strength, and enabling it to withstand certain external impacts and vibrations, thus preventing damage to the internal components. At the same time, the weight and volume of the module are reasonably controlled, meeting the requirements of lightweight and miniaturized vehicle-mounted equipment, making it easy to install and use in vehicles.
[0042] Optionally, such as Figure 1 and Figure 2 As shown, the distance between the outer edge of the flexible circuit board 8 and the outer edge of the die-cast part 1 is the boundary gap 15 of the flexible circuit board, and the length of the boundary gap 15 of the flexible circuit board is 0.45-0.5mm.
[0043] The distance between the outer edge of the flexible circuit board 8 and the components on the flexible circuit board 8 is the boundary 16 of the flexible circuit board, and the length of the boundary 16 of the flexible circuit board is 7-8mm.
[0044] In this embodiment, the flexible circuit board boundary gap 15 has a length of 0.45-0.5mm, providing room for the flexible circuit board 8 to move and preventing damage to the flexible circuit board 8 due to deformation or vibration of the die-casting part 1, thus ensuring stable and reliable electrical connection. The flexible circuit board boundary 16 has a length of 7-8mm, providing a safe distance for components on the flexible circuit board 8, reducing electromagnetic interference, improving circuit stability and anti-interference ability, and thereby improving the performance and reliability of the module.
[0045] Optionally, such as Figure 1 and Figure 2 As shown, the side of the emitter 2 near the bottom of the die-cast part 1 is provided with an LED bead 17 connected to the inside of the die-cast part 1, and the side of the privacy film 7 away from the upper light-enhancing film 6 is connected with foam adhesive 18.
[0046] 17 LED beads are arranged on a plane to form an LED light-emitting surface. The light generated by the LED light-emitting surface is processed by the emitting sheet 2, the light guide plate 3, the diffuser 4, the lower brightening sheet 5, and the upper brightening sheet 6 to form an active area 19. The distance from the LED light-emitting surface to the active area 19 is the boundary of the LED light-emitting surface. The length of the boundary of the LED light-emitting surface is 6.5-6.8mm.
[0047] In this embodiment, LED beads 17 are disposed on the ground side of the emitting plate 2, and the privacy film 7 is fixed by foam adhesive 18, which enhances the stability and durability of the module structure. The distance from the LED light-emitting surface to the active area 19 is 6.5-6.8mm from the boundary of the LED light-emitting surface, ensuring that the light emitted by the LED beads 17 reaches the active area 19 at the optimal angle and intensity after being processed by the optical components, achieving efficient propagation and uniform distribution, improving the brightness, contrast and color saturation of the display screen, providing users with a clear, vivid and comfortable visual experience, while optimizing optical performance, reducing energy consumption and improving energy utilization efficiency.
[0048] The present invention has been described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvement made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, shall be within the protection scope of the present invention.
Claims
1. An in-vehicle display ultra-narrow frame module, characterized by, The die casting (1) includes a light-emitting plate (2), a light guide plate (3), a diffuser plate (4), a lower light-enhancing plate (5), an upper light-enhancing plate (6), and a privacy film (7) arranged sequentially inside the die casting (1). The top of the die-cast part (1) is connected to a flexible circuit board (8), an optical transparent adhesive (9) and a glass cover plate (10) arranged in sequence. The edge of the glass cover plate (10) is connected to the outer surface of the die-cast part (1) by hot melt adhesive (11).
2. The vehicle-mounted display ultra-narrow frame module according to claim 1, characterized in that, The left and right sides and the top edge of the glass cover (10) are at the edge of the die-cast part (1) to form the boundary (12) of the first liquid crystal display module, and the length of the boundary (12) of the first liquid crystal display module is 4.95-5.1mm.
3. The vehicle-mounted display ultra-narrow frame module according to claim 1, characterized in that, The ground edge of the glass cover (10) is at a distance from the edge of the die-cast part (1) to the boundary (20) of the second liquid crystal display module, and the length of the boundary (20) of the second liquid crystal display module is 9.95-10.1mm.
4. The vehicle-mounted display ultra-narrow frame module according to claim 1, characterized in that, The distance between the edge of the glass cover plate (10) and the outer edge of the die-cast part (1) is the glass cover plate boundary (13), and the length of the glass cover plate boundary (13) is 0.3-0.5mm.
5. The vehicle-mounted display ultra-narrow frame module according to claim 1, characterized in that, The wall thickness (14) of the die-cast part (1) is 2.2-2.5 mm.
6. The vehicle-mounted display ultra-narrow frame module according to claim 1, characterized in that, The distance between the outer edge of the flexible circuit board (8) and the outer edge of the die-cast part (1) is the boundary gap (15) of the flexible circuit board, and the length of the boundary gap (15) of the flexible circuit board is 0.45-0.5mm; The distance between the outer edge of the flexible circuit board (8) and the components on the flexible circuit board (8) is the boundary (16) of the flexible circuit board, and the length of the boundary (16) of the flexible circuit board is 7-8mm.
7. The vehicle-mounted display ultra-narrow frame module according to claim 1, characterized in that, The emitter (2) has an LED bead (17) connected to the inside of the die casting (1) on the ground side near the bottom of the die casting (1), and the privacy film (7) has a foam adhesive (18) connected to the ground side away from the upper light enhancement film (6). The LED beads (17) are arranged on a plane to form an LED light-emitting surface. The light generated by the LED light-emitting surface is processed by the emitting sheet (2), the light guide plate (3), the diffuser (4), the lower light enhancement sheet (5), and the upper light enhancement sheet (6) to form an active area (19). The distance from the LED light-emitting surface to the active area (19) is the boundary of the LED light-emitting surface. The length of the boundary of the LED light-emitting surface is 6.5-6.8mm.