Liquid crystal display screen capable of preventing single-layer area from being broken and intelligent watch

By fixing a reinforcing plate to the cover plate in the single-layer area of ​​the smartwatch, the problem of easy breakage of the lower substrate during assembly is solved, thus improving the reliability and service life of the product.

CN224020104UActive Publication Date: 2026-03-20TRULY OPTO ELECTRONICS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The single-layer area of ​​the lower substrate of existing smartwatches is prone to cracking under external force during the assembly process, affecting product reliability and service life.

Method used

A reinforcing plate is fixed to the upper surface of the FPC in the single-layer area. The reinforcing plate abuts against the lower surface of the cover plate, filling the gap between the substrate and the cover plate, and providing support to prevent cracking.

Benefits of technology

It effectively prevents the single-layer area of ​​the lower substrate from cracking during the assembly process, improves product reliability and service life, reduces the risk of glass breakage, and has a simple structure and low cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a liquid crystal display screen and an intelligent watch capable of preventing a single-layer area from being broken, the liquid crystal display screen capable of preventing the single-layer area from being broken comprises a lower substrate, an upper substrate, an upper polaroid and a cover plate which are sequentially stacked from bottom to top, and the lower substrate is longer than the upper substrate and extends outwards to form the single-layer area; a driving IC and an FPC are bound on the upper surface of the lower substrate in the single-layer area, a reinforcing plate is fixed on the upper surface of the FPC in the single-layer area, and the reinforcing plate abuts against the lower surface of the cover plate. The thickness of the reinforcing plate can completely fill the gap between the lower substrate and the cover plate, the reinforcing plate has a certain supporting effect, external force generated in the installation process can be effectively supported, the lower substrate is protected against damage, the problem that a single-layer area of the lower substrate is broken in the installation process is effectively solved, the reliability of a product is improved, and the service life of the product is prolonged. And according to the scheme, the structure is simple, the cost is low, and popularization and application are easy.
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Description

Technical Field

[0001] This utility model relates to the field of liquid crystal display technology, and more specifically, to a liquid crystal display screen and a smartwatch that prevent single-layer area breakage. Background Technology

[0002] With the increasing number of intelligent devices, they are becoming ubiquitous in people's lives as technology advances. Smart wearable products have been extremely popular in recent years, with smartwatches and bracelets in various styles, serving not only as fitness devices but also as accessories.

[0003] In existing COG (Copyright Optical Group) solutions for display glass, a two-layer glass structure is typically used. The lower substrate needs to bond the IC and FPC, making it longer than the upper substrate and extending outward to form a single-layer area. However, when bonding with the cover plate, the single-layer area bonding the IC and FPC cannot be fully adhered to the cover plate, resulting in a gap in the single-layer area. This makes the lower substrate susceptible to breakage under external forces during assembly, affecting product reliability and lifespan. Utility Model Content

[0004] The technical problem to be solved by this invention is how to avoid cracking of the single-layer area of ​​the lower substrate, thereby improving the reliability and service life of the product.

[0005] The technical problem to be solved by this utility model is achieved through the following technical solution:

[0006] To solve the above-mentioned technical problems, this utility model provides a liquid crystal display screen that prevents the single-layer area from cracking. It includes a lower substrate, an upper substrate, an upper polarizer and a cover plate stacked sequentially from bottom to top. The lower substrate is longer than the upper substrate and extends outward to form a single-layer area. A driver IC and an FPC are bonded to the upper surface of the lower substrate located in the single-layer area. A reinforcing plate is fixed to the upper surface of the FPC located in the single-layer area. The reinforcing plate abuts against the lower surface of the cover plate.

[0007] In a preferred embodiment of the liquid crystal display screen for preventing single-layer cracking provided by this utility model, the reinforcing plate is a PI reinforcing plate.

[0008] In a preferred embodiment of the liquid crystal display screen for preventing single-layer cracking provided by this utility model, the upper surface of the reinforcing plate is provided with cushioning foam, and the cushioning foam abuts against the lower surface of the cover plate.

[0009] In a preferred embodiment of the liquid crystal display screen for preventing single-layer breakage provided by this utility model, both the upper and lower surfaces of the cushioning foam are adhesive.

[0010] In a preferred embodiment of the liquid crystal display screen for preventing single-layer cracking provided by this utility model, the thickness of the reinforcing plate is 0.08mm-0.10mm, and the thickness of the cushioning foam is 0.15mm-0.20mm.

[0011] In a preferred embodiment of the liquid crystal display screen for preventing single-layer cracking provided by this utility model, the reinforcing plate and the cover plate are fixed by double-sided adhesive bonding.

[0012] In a preferred embodiment of the liquid crystal display screen for preventing single-layer cracking provided by this utility model, the thickness of the reinforcing plate is 0.18mm-0.20mm.

[0013] In a preferred embodiment of the liquid crystal display screen for preventing single-layer cracking provided by this utility model, the reinforcing plate extends above the driver IC.

[0014] In a preferred embodiment of the liquid crystal display screen for preventing single-layer cracking provided by this utility model, PET foam is provided below the lower substrate.

[0015] This invention provides a smartwatch that includes a liquid crystal display screen as described in any of the preceding claims to prevent single-layer cracking.

[0016] This utility model has the following beneficial effects:

[0017] Because a reinforcing plate is fixed to the upper surface of the FPC located in the single-layer area, and the reinforcing plate abuts against the lower surface of the cover plate, the thickness of the reinforcing plate can completely fill the gap between the lower substrate and the cover plate. The reinforcing plate can provide a certain degree of support, effectively supporting the external forces generated during the installation process, protecting the lower substrate from damage, effectively preventing the single-layer area of ​​the lower substrate from cracking during installation, improving the reliability and service life of the product, and reducing the risk of glass breakage. This solution has a simple structure, low cost, and is easy to promote and apply. Attached Figure Description

[0018] To more clearly illustrate the solutions in this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of a liquid crystal display screen that prevents single-layer area cracking, as provided by this utility model.

[0020] Figure 2 for Figure 1 Enlarged view of point A in the image.

[0021] Figure 3 for Figure 2 A schematic diagram of the improved structure.

[0022] Figure 4 for Figure 2 Another improved structural diagram.

[0023] Explanation of icon numbers:

[0024] Lower substrate 1; Upper substrate 2; Upper polarizer 3; Cover plate 4; Driver IC 5; FPC 6; Reinforcing plate 7; Buffer foam 8; PET foam 9. Detailed Implementation

[0025] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0027] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0028] This utility model provides a liquid crystal display screen for preventing single-layer area cracking, which includes a lower substrate, an upper substrate, an upper polarizer and a cover plate stacked sequentially from bottom to top. The lower substrate is longer than the upper substrate and extends outward to form a single-layer area. A driver IC and an FPC are bonded to the upper surface of the lower substrate located in the single-layer area. A reinforcing plate is fixed to the upper surface of the FPC located in the single-layer area. The reinforcing plate abuts against the lower surface of the cover plate.

[0029] Because a reinforcing plate is fixed to the upper surface of the FPC located in the single-layer area, and the reinforcing plate abuts against the lower surface of the cover plate, the thickness of the reinforcing plate can completely fill the gap between the lower substrate and the cover plate. The reinforcing plate can provide a certain degree of support, effectively supporting the external forces generated during the installation process, protecting the lower substrate from damage, effectively preventing the single-layer area of ​​the lower substrate from cracking during installation, improving the reliability and service life of the product, and reducing the risk of glass breakage. This solution has a simple structure, low cost, and is easy to promote and apply.

[0030] 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 with reference to the accompanying drawings. The present invention will be described in detail below with reference to the accompanying drawings and embodiments, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0031] Example 1, please refer to Figure 1 and Figure 2 This invention provides a liquid crystal display screen for preventing single-layer cracking. It includes a lower substrate 1, an upper substrate 2, an upper polarizer 3, and a cover plate 4, stacked sequentially from bottom to top. The lower substrate 1 is longer than the upper substrate 2 and extends outward to form a single-layer area. A driver IC 5 and an FPC 6 are bonded to the upper surface of the lower substrate 1 in the single-layer area. A reinforcing plate 7 is fixed to the upper surface of the FPC 6 in the single-layer area, and the reinforcing plate 7 abuts against the lower surface of the cover plate 4. Because the reinforcing plate 7 is fixed to the upper surface of the FPC 6 in the single-layer area, and the reinforcing plate 7 abuts against the lower surface of the cover plate 4, the thickness of the reinforcing plate 7 can completely fill the gap between the lower substrate 1 and the cover plate 4. The reinforcing plate 7 provides a certain degree of support, effectively supporting the external forces generated during installation, protecting the lower substrate 1 from damage, effectively preventing the single-layer cracking of the lower substrate 1 during installation, improving product reliability and service life, reducing the risk of glass breakage. This solution has a simple structure, low cost, and is easy to promote and apply.

[0032] Traditionally, the reinforcing plate 7 is a steel sheet reinforcing plate. Further, in this embodiment, the reinforcing plate 7 is a PI reinforcing plate to prevent damage to the cover plate 4 when it comes into contact with it. The gap between the cover plate 4 and the FPC 6 is generally 0.2mm. In this embodiment, the thickness of the reinforcing plate 7 is 0.18mm-0.20mm, so that the reinforcing plate 7 can effectively fill the gaps between the single-layer areas. The reinforcing plate 7 and the cover plate 4 are fixed together by double-sided adhesive.

[0033] Example 2, please refer to Figure 3 As a further optimization of Embodiment 1, in this embodiment, the upper surface of the reinforcing plate 7 is provided with cushioning foam 8, which abuts against the lower surface of the cover plate 4. The cushioning foam 8 facilitates assembly, and because the elastic deformation of the cushioning foam 8 is large, the dimensions of the reinforcing plate 7 and the cushioning foam 8 are more flexible, avoiding the cover plate 4 from warping due to the excessive size of the reinforcing plate 7. In this embodiment, both the upper and lower surfaces of the cushioning foam 8 are adhesive, and the cover plate 4 and the reinforcing plate 7 are bonded and fixed by the cushioning foam 8. The thickness of the reinforcing plate 7 is 0.08mm-0.10mm, and the thickness of the cushioning foam 8 is 0.15mm-0.20mm.

[0034] Example 3, please refer to Figure 4 As a further optimization of Embodiment 1, in this embodiment, the reinforcing plate 7 extends above the driving IC 5 so that the reinforcing plate 7 can extend to as many single-layer areas as possible, ensuring the reliability of the lower substrate 1.

[0035] Furthermore, the liquid crystal display screen provided by this utility model is an AMOLED display screen, and PET foam 9 is disposed below the lower substrate 1.

[0036] This invention provides a smartwatch that includes a liquid crystal display screen as described in any of the preceding claims to prevent single-layer cracking.

[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0038] Obviously, the embodiments described above are only some embodiments of this application, not all embodiments. The accompanying drawings show preferred embodiments of this application, but do not limit the patent scope of this application. This application can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this application's specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the scope of patent protection of this application.

Claims

1. A liquid crystal display screen designed to prevent cracking of single-layer areas, characterized in that, It includes a lower substrate, an upper substrate, an upper polarizer, and a cover plate stacked sequentially from bottom to top. The lower substrate is longer than the upper substrate and extends outward to form a single-layer region. A driver IC and an FPC are bonded to the upper surface of the lower substrate located in the single-layer region. A reinforcing plate is fixed to the upper surface of the FPC located in the single-layer region. The reinforcing plate abuts against the lower surface of the cover plate.

2. The liquid crystal display screen for preventing single-layer cracking according to claim 1, characterized in that, The reinforcing plate is a PI reinforcing plate.

3. The liquid crystal display screen for preventing single-layer cracking according to claim 1, characterized in that, The upper surface of the reinforcing plate is provided with cushioning foam, which abuts against the lower surface of the cover plate.

4. The liquid crystal display screen for preventing single-layer cracking according to claim 3, characterized in that, The upper and lower surfaces of the cushioning foam are both adhesive.

5. The liquid crystal display screen for preventing single-layer cracking according to claim 3, characterized in that, The thickness of the reinforcing plate is 0.08mm-0.10mm, and the thickness of the cushioning foam is 0.15mm-0.20mm.

6. The liquid crystal display screen for preventing single-layer cracking according to claim 1, characterized in that, The reinforcing plate and the cover plate are fixed together by double-sided adhesive.

7. The liquid crystal display screen for preventing single-layer cracking according to claim 1, characterized in that, The thickness of the reinforcing plate is 0.18mm-0.20mm.

8. The liquid crystal display screen for preventing single-layer cracking according to claim 1, characterized in that, The reinforcing plate extends above the driver IC.

9. The liquid crystal display screen for preventing single-layer cracking according to claim 1, characterized in that, PET foam is disposed below the lower substrate.

10. A smartwatch, characterized in that, It includes a liquid crystal display screen for preventing single-layer cracking as described in any one of claims 1-9.