Protective belt assembly and display device
By designing protective strip components with cutting and spacing, the problem of incompatibility between different display devices is solved, resulting in a reduction in the types of materials, lower costs, and a simplified structure. This also avoids electrostatic damage and improves operational efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO LTD
- Filing Date
- 2025-06-09
- Publication Date
- 2026-05-26
AI Technical Summary
Existing display devices cannot share protective strip components due to differences in the size and distribution of the protected area, resulting in a wide variety of materials and complex structures.
Design a protective tape assembly that divides the protective tape into multiple sub-protective tape assemblies by cutting lines along the width direction. The length of each sub-protective tape assembly is determined according to the length of each protected area. Release films are distributed at intervals on the protective tape to control static electricity. The protective tape is made of flexible material and is wound on a spool for easy tearing.
It enables the sharing of protective strip components for display devices of different sizes, reduces the types of materials, lowers costs, simplifies the structure, avoids electrostatic damage, and improves operational efficiency.
Smart Images
Figure CN224276527U_ABST
Abstract
Description
Technical Field
[0001] This application relates to protective components for display devices, and more particularly to protective strip assemblies and display devices. Background Technology
[0002] Some large-scale equipment requires protective tape assemblies during production. These assemblies consist of a protective tape and a release film. After removing the release film, the protective tape is applied to the relevant components of the large-scale equipment to protect them. However, in existing display devices, different devices cannot share the same protective tape assembly, resulting in a wide variety of materials and complex structures. Utility Model Content
[0003] The purpose of this application is to disclose a protective strip assembly and a display device. The protective strip assembly can be shared by different devices, and has low cost, few material types, and simple structure.
[0004] In a first aspect, this application discloses a protective tape assembly. The protective tape assembly includes a protective tape and a release film bonded to the front side of the protective tape. The protective tape assembly is divided into multiple sub-protective tape assemblies by a cutting line along the width direction of the protective tape. The length of each sub-protective tape assembly is determined according to the length of each protected area to be protected by the protective tape.
[0005] In some embodiments, the area of the release film covering the protective strip is a, the area of the protective strip is b, and a / b ≤ 1 / 3.
[0006] In some embodiments, the length of the release film is equal to the length of the protective strip.
[0007] In some implementations, the length of the sub-protective strip assembly is a common factor of the lengths of the various protected areas.
[0008] In some embodiments, the protected areas include areas in display devices of different sizes that need to be protected by the protective band, or different areas in display devices of the same size that need to be protected by the protective band.
[0009] In some implementations, the common factor is the greatest common factor.
[0010] In some embodiments, the release film is spaced apart on the protective strip.
[0011] In some embodiments, the protective strip includes opposing edges in the width direction, each edge being covered with the release film.
[0012] In some embodiments, the thickness of the protective strip is d, where 0.08 mm ≤ d ≤ 0.2 mm.
[0013] In some embodiments, the protective strip is made of a flexible material.
[0014] In some embodiments, the protective tape assembly includes a spool and a stopper located at opposite ends of the spool, the stopper and the spool forming a receiving groove, the protective tape and the release film being rolled around the spool and also located within the receiving groove.
[0015] Secondly, this application discloses a display device. The display device includes an Open Cell, a module backplane, and a protective strip for any of the aforementioned protective strip components; the Open Cell is assembled with the module backplane and includes a Source PCB, a COF bonding portion, and pins, the COF bonding portion connecting the Source PCB and the pins; the Source PCB and the COF bonding portion are located outside the module backplane; the front side covers the Source PCB and the COF bonding portion when the release film is removed.
[0016] In some embodiments, the display device includes components and a motherboard distributed on the module backplane, wherein: the source PCB and COF bonding portion are distributed on a first side of the module backplane; there are multiple components, and multiple components are also distributed on the first side of the module backplane; each component is connected to the motherboard via its own connecting line; at least a portion of the connecting lines are located on the back side of the protective strip.
[0017] For the protective tape assembly and display device, since the protective tape assembly is divided into multiple sub-assemblies by a cutting line along the width direction of the protective tape, and the length of each sub-assembly is determined according to the length of each protected area, the protective tape assembly is divided into multiple sub-assemblies based on the length of each protected area. This standardizes different-sized protective tape assemblies in related technologies into a single protective tape assembly. This protective tape assembly can be applied to protect areas of different sizes, eliminating the need for multiple protective tape assemblies and reducing the variety of materials. If the protective tape assemblies are not standardized, they have multiple structures to adapt to different shapes or sizes of protected areas, resulting in complex structures. Standardization allows for the use of only one structure of protective tape assembly to adapt to different shapes or sizes of protected areas, thus simplifying the structure. Furthermore, standardization allows for the sharing of protective tape assemblies, requiring only one type of protective tape assembly to be purchased in large quantities, resulting in low cost. In addition, the cutting line facilitates quick tearing of the protective tape assembly, eliminating the need for cutting and enabling rapid operation. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of a protective strip assembly according to this application;
[0019] Figure 2 This is a schematic diagram of the Open Cell of the display device of this application;
[0020] Figure 3 This is a schematic diagram of the display device of this application after assembly, including the Open Cell and module backplate, without protective tape attached.
[0021] Figure 4 It is an indication Figure 3 A schematic diagram showing the connection between the front interface board and the motherboard in Part A via the front FFC cable;
[0022] Figure 5 This is a schematic diagram showing the protective strip protecting the relevant components of the display device of this application. Detailed Implementation
[0023] The technical solutions in the embodiments (or "implementations") of this application will be clearly and completely described herein with reference to the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.
[0024] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movements between components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.
[0025] See Figure 2Large-size (e.g., 65-inch, 75-inch, 86-inch) display devices include an Open Cell 2, a module backplane 1, components distributed on the module backplane 1, and a motherboard 3. The Open Cell is a liquid crystal display panel with a polarizer / COF / PCB board. Open Cell 2 includes a COF bonding section 21 and a Source PCB 22. The Source PCB is a source printed circuit board, a key component connecting the display driver chip (Source Driver IC) and the liquid crystal panel (Glass Panel), primarily responsible for transmitting image signals and data control signals. The COF bonding section 21 is COF bonding. COF (Chip on Film) is a key packaging technology in liquid crystal display panels (LCDs), which directly integrates the driver chip (such as the Source Driver IC) onto a flexible circuit film for connecting the main control circuit and the liquid crystal panel. Bonding is the bonding process. The COF bonding section 21 connects the Source PCB 22 and the pins of the Open Cell (not marked in the figure). See also... Figure 3 After the Open Cell 2 and module backplane 1 are assembled, the Source PCB 22 and COF bonding part 21 will be exposed on the module backplane 1. (Comparison) Figure 2 and Figure 3 It can be seen that the Source PCB 22 and COF bonding part 21 are distributed on the first side of the module backplate 1, more specifically, they are distributed along the first direction R on the first side, which can be understood as... Figure 2 and Figure 3 The length direction within the [the structure]. The components include, for example, the front interface board 4, speaker 5, antenna 7, NFC 8, etc. See [other components]. Figure 3 Multiple of the aforementioned devices are also distributed on the first side of the module backplane, more specifically, distributed along a first direction R on the first side. Some of the aforementioned devices may be identical, for example, Figure 3 The diagram illustrates two speakers 5. In this application, the front interface board 4, speakers 5, antenna 7, and NFC 8 are distributed on the inclined surface of the lower profile 14 of the module back panel 1. The motherboard 3 needs to be connected to each component (front interface board 4, speakers 5, antenna 7, and NFC 8) via different connecting cables. More specifically, in conjunction with... Figure 5 The front interface board 4 is connected to the motherboard 3 via the front FFC cable 10, the antenna 7 is connected to the motherboard 3 via the antenna FFC cable 11, the speaker 5 is connected to the motherboard 3 via the speaker cable 12, and the NFC 8 is connected to the motherboard 3 via the NFC cable 13. (See also...) Figure 4Because both the COF bonding part 21 and the Source PCB 22 are extremely fragile, if each of the aforementioned connecting lines is not protected by the protective tape 91 (in display devices, this protective tape is called COF protective tape) during routing, it will damage the Source PCB 22 and the COF bonding part 21, which will cause defects such as display failure.
[0026] However, display devices of different sizes cannot share the same protective strip due to differences in the size and / or distribution of the protected area (for example, the front interface board 4, speaker 5, antenna 7 and NFC 8 are distributed in different locations and have different sizes, which makes it impossible to share the protective strip components), resulting in a variety of materials and a complicated structure.
[0027] To solve the above problems, see [link to relevant documentation]. Figure 1 This application discloses a protective strip assembly 9. The protective strip assembly 9 can be used not only in large-size display devices, but also in display devices of other sizes, and even in non-display devices of other sizes. The protective strip assembly 9 includes a protective strip 91 and a release film 92 bonded to the front side of the protective strip 91. When the protective strip assembly 9 is used in a display device, the subsequent protected area is the area in the display device that needs to be protected by the protective strip 91. The protective strip assembly 9 is divided into multiple sub-protective strip assemblies 95 by a cutting line 94 along the width direction of the protective strip 91. The length of the sub-protective strip assembly 95 can be a common factor of the lengths of the protected areas of the protective strip 91, for example, the length of the protected area of a 65-inch display device is A (A is indicated in the diagram). Figure 2In a 75-inch display device, the length of the protected area is B, and in an 86-inch display device, the length of the protected area is C. The common factor of A, B, and C is D. Therefore, the length of each segment of the sub-protective strip assembly 95 is D. More specifically, taking an example without unit markings, the common factor is as follows: assuming A = 16, B = 20, and C = 24, then the greatest common factor of 16, 20, and 24, 4, is the length D of each segment of the sub-protective strip assembly. Of course, the common factor does not have to be the greatest common factor. If the different sizes have no common factors, the length of each segment of the sub-protective strip assembly 95 can be as close as possible to the corresponding common factor, so that the length of the last segment of the sub-protective strip assembly is not equal to the lengths of the other sub-protective strip assemblies. The above example, using areas of display devices of different sizes that need to be protected by the protective strip, illustrates the determination of the length of the sub-protective strip assembly 95. In some variations of the implementation, when each protection area includes different areas in a display device of the same size that need to be protected by the protection strip 91, the length of the sub-protection strip assembly 95 can also be determined in the manner described above. For example, if a 65-inch display device includes a first protection area A1 (length a1), a second protection area A2 (length a2), and a third protection area A3 (length a3), then the length of the sub-protection strip assembly 95 can be determined as a common factor of a1, a2, and a3.
[0028] When using the protective tape assembly 9, first remove the release film 92, then the front side of the protective tape 91 covers the Source PCB 22 and the COF bonding portion 21. Figure 5 In the illustrated embodiment, the protective strip 91 does not cover the devices (front interface board 4, speaker 5, antenna 7, NFC 8). The cut line 94 corresponding to speaker 5 is shorter than the cut lines at other locations because speaker 5 obstructs the cut line 94, making it appear shorter. All the connecting lines (front FFC line 10, antenna FFC line 11, speaker line 12, NFC line 13) are located on the back of the protective strip 91. In some cases, some of the connectors may be located on the back of the protective strip 91. Of course, in the protective strip assembly 9 used to protect other devices, the front side covers the protected object, and at least the connecting lines of the other devices are located on the back of the protective strip 91. Furthermore, if only the protective strip 91 covering the protected object is considered, in some cases, the connecting lines may not be located on the back.
[0029] As described above, since the protective strip assembly 9 is divided into multiple sub-protective strip assemblies 95 by the cutting line 94 along the width direction of the protective strip 91, and the length of each sub-protective strip assembly 95 is determined according to the length of each protected area, by dividing the protective strip assembly 9 into multiple segments according to the length of each protected area, protective strip assemblies of different sizes in related technologies are normalized into a single protective strip assembly. The protective strip assembly 9, through combinations of different numbers of sub-protective strip assemblies, can be applied to protect protected areas of different sizes, such as the same area (e.g., source PCB) of products of different sizes (e.g., 65-inch, 75-inch, 86-inch display devices). The protection of the 22 and COF binding part 21) does not require multiple protective tape assemblies 9, reducing the variety of materials. If the protective tape assemblies are not standardized, there are multiple structures that need to adapt to different shapes or sizes of protected areas, resulting in complex structures. After standardization, only one type of protective tape assembly 9 is needed to adapt to the protection of protected areas of different shapes or sizes, thus simplifying the structure. After standardization, the protective tape assemblies can be shared, and only one type of protective tape assembly needs to be purchased to protect the protected areas of products of various sizes. This allows for large-volume purchases of such protective tape assemblies, thereby reducing costs. In addition, by setting the cutting line 94, it is easy to quickly tear the protective tape assembly 9 without cutting, enabling rapid operation.
[0030] In related technologies, the release film has a large area (large release film). For example, the shape of the release film 92 is the same as that of the protective strip 91 and the area is equal. As a result, when the release film 92 is removed, a large amount of static electricity is generated. This static electricity damages related components of the display device (such as the source PCB 22 and COF bonding part 21).
[0031] To address the aforementioned issues, in some embodiments, the area of the release film 92 covering the protective strip 91 is 'a', and the area of the protective strip 91 is 'b', where a / b ≤ 1 / 3. The area of the release film 92 covering the protective strip 91 can be understood as the area of the adhesive backing that bonds the release film 92 to the protective strip 91. When the number of release films 92 is not uniform, the area covering the protective strip 91 is the total area of the release films 92. For example, in… Figure 1 In this configuration, when there are two release films 92, the area covering the protective strip 91 is the total area of the two release films 92. When there is one release film 92 or one sheet, the area covering the protective strip 91 is the area of the release film 92 itself. Although Figure 1The illustration shows two release films 92, but the number of release films 92 is not limited to this. The release films 92 are spaced apart on the protective strip 91, thus ensuring that the area covered by the release films 92 on the protective strip 91 is small. The spaced distribution can be regular or irregular, depending on the location where the components to be protected need to be pasted.
[0032] As described above, since a / b≤1 / 3, the area covered by the release film 92 on the protective strip 91 is small. When the release film 92 is removed, it is not easy to generate a large amount of static electricity. Therefore, the protective strip 91 does not have the risk of static electricity and will not damage the relevant components (Source PCB 22 and COF bonding part 21).
[0033] In other embodiments, the release film 92 is spaced apart on the protective strip 91. Figure 1 In this configuration, there are two release films 92, spaced apart along the width of the protective strip 91. Alternatively, depending on the arrangement of the protected area, the release films 92 can also be spaced apart along the length of the protective strip 91, or in other spaced-out configurations.
[0034] As described above, since the release films 92 are spaced apart, the area covered by the release films 92 on the protective strip 91 is small. This also helps to prevent the release films 92 from generating large amounts of static electricity when they are removed. As a result, the protective strip 91 does not pose a static electricity hazard and will not damage the relevant components (Source PCB 22 and COF bonding part 21).
[0035] See Figure 1 In the width direction of the protective strip 91, the protective strip 91 includes opposing edges, each edge of which is covered by the release film 92. Figure 1 In the middle, the width direction can be understood as the up and down direction, and there are release films 92 on the upper and lower sides respectively. Thus, the protective tape assembly 9 includes two release films 92.
[0036] As described above, the edges on each side are covered with the release film 92, which allows the protective tape 91 to be easily attached to the protected area without damaging the relevant components (Source PCB 22 and COF bonding part 21).
[0037] In some embodiments, the length of the release film 92 is equal to the length of the protective strip 91. This equality can be as follows: Figure 1 Thus, the length of each release film 92 is equal to the length of the protective strip 91. In some variations, regardless of the number of release films 92, the length of each release film 92 is equal to the length of the protective strip 91.
[0038] In some embodiments, the thickness of the protective strip 91 is d, 0.08mm≤d≤0.2mm, for example, 0.08mm, 0.09mm, 0.1mm, 0.12mm, 0.15mm, 0.17mm, 0.18mm, 0.19mm or 0.2mm.
[0039] As described above, with 0.08mm≤d≤0.2mm, the protective strip 91 is relatively thin, allowing components such as screws to pass through it and be locked onto the corresponding holes 15 on the module backplate 1. The protective strip 91 does not need to be cut to avoid the corresponding holes 15, nor does it need to be contoured to directly adapt to different shaped protection areas (which can also be understood as the shape of the module backplate 1 and the layout of the components). The protective strip assembly 9 has a low cost, and because it does not need to be cut to avoid the holes, it does not include any avoidance structures, resulting in a simple structure.
[0040] In some embodiments, the protective strip 91 is made of a flexible material. The specific material of the flexible material is not limited. In some variations, when the protective strip 91 is made of a flexible material, its thickness may not be within the aforementioned numerical range. Correspondingly, in some variations, when the thickness of the protective strip 91 meets the aforementioned range, its material may not be flexible.
[0041] As described above, since the protective strip 91 is made of a flexible material, it can directly adapt to different shaped protection areas (which can also be understood as the shape of the module backplate 1 and the layout of the devices). The protective strip assembly 9 has a low cost, and the protective strip assembly does not need to be cut to avoid gaps, and does not include some gap structures, so the structure is simple.
[0042] See Figure 1 The protective tape assembly 9 includes a spool 96 and a stopper 97 located at the opposite end of the spool 96. The stopper 97 is not limited to a plate shape as shown in the figure. The stopper 97 and the spool 96 form a receiving groove. The protective tape 91 and the release film 92 are wound around the spool 96 and are also located within the receiving groove.
[0043] As described above, the protective tape 91 and release film 92 are wound around the roll 96. The blocking member 97 limits the assembly formed by the protective tape 91 and release film 92 in the axial direction of the roll 96, preventing the assembly from collapsing. The protective tape assembly 9 is rolled up, which facilitates quick tearing and makes operation convenient.
[0044] It should be noted that the technical solutions or features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; all modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.
Claims
1. A protector belt assembly characterized in that, The protective strip assembly includes a protective strip and a release film bonded to the front side of the protective strip. The protective strip assembly is divided into multiple sub-protective strip assemblies by a cutting line along the width direction of the protective strip. The length of each sub-protective strip assembly is determined according to the length of each protected area to be protected by the protective strip.
2. The boot assembly of claim 1, wherein, The area of the release film covering the protective strip is a, the area of the protective strip is b, and a / b≤1 / 3; And / or, the length of the release film is equal to the length of the protective strip.
3. The boot assembly of claim 1, wherein, The length of the sub-protective strip assembly is a common factor of the lengths of all protected areas.
4. The boot assembly of claim 3, wherein, Each protection area includes areas in display devices of different sizes that need to be protected by the protection strip, or different areas in display devices of the same size that need to be protected by the protection strip; And / or, the common factor is the greatest common factor.
5. The boot assembly of claim 1, wherein, The release film is distributed at intervals on the protective strip.
6. The boot assembly of claim 5, wherein, In the width direction of the protective strip, the protective strip includes opposing edges, each edge of which is covered with the release film.
7. The boot assembly of claim 1, wherein, The thickness of the protective strip is d, 0.08mm≤d≤0.2mm; and / or, the protective strip is made of a flexible material.
8. The boot assembly of claim 1, wherein, The protective tape assembly includes a spool and a stopper located at opposite ends of the spool. The stopper and the spool form a receiving groove. The protective tape and the release film are rolled around the spool and are also located within the receiving groove.
9. A display device, characterized in that, The display device includes an Open Cell, a module backplate, and a protective strip of the protective strip assembly as described in any one of claims 1 to 8; The Open Cell is assembled with the module backplane and includes a Source PCB, a COF bonding section, and pins. The COF bonding section connects the Source PCB and the pins. The Source PCB and the COF bonding section are located outside the module backplane. The front side covers the Source PCB and the COF bonding portion after the release film is removed.
10. The display device according to claim 9, characterized in that, The display device includes components and a motherboard distributed on the back panel of the module, wherein: The Source PCB and COF bonding section are distributed on the first side of the module backplate; there are multiple devices, and multiple devices are also distributed on the first side of the module backplate; each device is connected to the motherboard via its own connecting line; at least a portion of the connecting lines are located on the back of the protective strip.