Display structure capable of preventing screen from being broken
By setting grooves on the edge of the substrate assembly of the TFT smart watch and bonding with the cover plate with optical adhesive layer and glue blocks to provide support, the problem of screen breaking and cracking of the smart watch when it falls or impacts is solved, and the resistance to drop and impact resistance is improved.
Patent Information
- Application Number
- CN202420515631.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-03-15
AI Technical Summary
TFT smartwatches are prone to screen breakage and screen breakage when falling or impacting, resulting in poor anti-fall and impact resistance.
A display structure that prevents breaking of the screen is designed, by providing grooves at the edge of the substrate assembly and bonding with the cover plate in the grooves using optical adhesive layers and glue blocks to provide support to prevent the substrate assembly from breaking during drop or impact.
It effectively improves the product's drop resistance and impact resistance, reduces the occurrence of screen breakage and screen cracking, and does not require additional materials, and provides support with existing optical adhesive layers and adhesive blocks.
Smart Images
Figure CN222636424U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of display screens, in particular to a display structure for preventing screen breakage. Background Art
[0002] Due to the high cost-effectiveness of TFT screens, they are widely used in smart watches. Smart watches may be hit or dropped during normal use, so the drop resistance requirements for TFT smart watches are relatively high. In addition, TFT glass itself is relatively fragile, so problems such as screen breakage and cracking are inevitable during use. Since there is a groove in the screen, during the impact or drop process, the lower glass plate breaks due to lack of support at the groove, so the product's drop and impact resistance performance is poor. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a display structure that prevents screen breakage.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] A display structure for preventing screen breakage, comprising: a cover plate, a substrate assembly, an FPC, an optical adhesive layer and an adhesive block; a groove is provided at an edge of the substrate assembly, a side of the substrate assembly where the groove is provided is bonded to the cover plate through the optical adhesive layer, a size of the optical adhesive layer is consistent with a size of the cover plate, one end of the FPC is bonded in the groove through the adhesive block, and the adhesive block abuts against the optical adhesive layer.
[0006] In one embodiment, the groove is a rectangular parallelepiped structure.
[0007] In one embodiment, the optical adhesive layer is an OCA adhesive layer.
[0008] In one embodiment, a steel sheet is provided on the back side of the component area of the FPC.
[0009] In one embodiment, the optical adhesive layer includes a first adhesive layer and a second adhesive layer connected to each other, the first adhesive layer is bonded between the substrate assembly and the cover plate, the second adhesive layer abuts against the adhesive block, and the second adhesive layer is 0.1 mm thicker than the first adhesive layer.
[0010] In one embodiment, the substrate assembly includes an upper glass plate, a lower glass plate and a liquid crystal layer, the liquid crystal layer is arranged between the upper glass plate and the lower glass plate, the length of the upper glass plate and the length of the liquid crystal layer are smaller than the length of the lower glass plate, and one side of the upper glass plate, the liquid crystal layer and the lower glass plate are aligned to form the groove.
[0011] In one embodiment, the cover plate is a TP cover plate.
[0012] In one embodiment, the thickness of the lower glass plate is 0.2 mm.
[0013] In one embodiment, the adhesive block is a UV adhesive block.
[0014] In one embodiment, the UV adhesive block is in the shape of a triangular column.
[0015] Compared with the prior art, the utility model has at least the following advantages:
[0016] 1. The display structure for preventing screen breakage of the utility model is provided with a cover plate, a substrate assembly, an FPC, an optical adhesive layer and an adhesive block. A groove is provided at the edge of the substrate assembly. The side of the substrate assembly where the groove is provided is bonded to the cover plate through the optical adhesive layer. The size of the optical adhesive layer is consistent with that of the cover plate. The adhesive block is bonded to the groove. One end of the FPC is bonded in the groove through the adhesive block. The adhesive block abuts against the optical adhesive layer. When the structure falls or is impacted, the adhesive block and the optical adhesive layer provide support for the substrate assembly in the groove, and the substrate assembly at the groove is not easy to break, thereby improving the product's anti-drop performance and anti-impact performance.
[0017] 2. The display structure for preventing screen breakage of the utility model does not require additional materials. It adopts an optical adhesive layer for bonding the cover plate and the substrate assembly and an adhesive block for bonding the FPC. No new materials are needed to lengthen the original optical adhesive layer and thicken the UV adhesive block to fill the groove, so as to provide a certain degree of support to resist falling and impact. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.
[0019] Figure 1 It is a structural schematic diagram of a display structure for preventing screen breakage in one embodiment of the utility model.
[0020] Reference numerals:
[0021] The cover plate 10 , the substrate assembly 11 , the upper glass plate 111 , the lower glass plate 112 , the liquid crystal layer 113 , the FPC 20 , the optical adhesive layer 30 , the first adhesive layer 31 , the second adhesive layer 32 , and the adhesive block 40 . DETAILED DESCRIPTION
[0022] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.
[0023] This application proposes a display structure to prevent screen breakage, which is used in a display device. Figure 1 , including: a cover plate 10, a substrate assembly 11, an FPC 20, an optical adhesive layer 30 and an adhesive block 40. A groove is provided on the edge of the substrate assembly 11, and the groove is used to connect the FPC 20. One side of the substrate assembly 11 where the groove is provided is bonded to the cover plate 10 through the optical adhesive layer 30, and the size of the optical adhesive layer 30 is consistent with the size of the cover plate 10. The adhesive block 40 is bonded to the groove, and one end of the FPC 20 is bonded in the groove through the adhesive block 40, and the adhesive block 40 abuts against the optical adhesive layer 30. When the structure falls or is hit, the adhesive block 40 and the optical adhesive layer 30 provide support for the substrate assembly 11 in the groove, and the substrate assembly 11 at the groove is not easy to break, thereby improving the product's anti-drop performance and anti-impact performance. In addition, the present application does not need to add additional materials, and uses the optical adhesive layer 30 for bonding the cover plate 10 and the substrate assembly 11 and the adhesive block 40 for bonding the FPC 20, without adding new materials, to lengthen the original optical adhesive layer 30 and thicken the original adhesive block to fill the groove, so as to provide a certain degree of support against falling and impact. Preferably, the groove is a rectangular parallelepiped structure.
[0024] Since FPC20 is a flexible circuit board with a soft texture, after the components are soldered to the component area of FPC20, its own hardness is not enough to support the components on FPC20. Therefore, a steel sheet is provided on the back of the component area of FPC20 to increase the hardness of FPC20 to support the component area of FPC20. Similarly, a reinforcement sheet is also provided at the connection between FPC20 and other components.
[0025] In one embodiment, see Figure 1 The substrate assembly 11 includes an upper glass plate 111, a lower glass plate 112 and a liquid crystal layer 113. The liquid crystal layer 113 is disposed between the upper glass plate 111 and the lower glass plate 112. The length of the upper glass plate 111 and the length of the liquid crystal layer 113 are less than the length of the lower glass plate 112. The upper glass plate 111, the liquid crystal layer 113 and one side of the lower glass plate 112 are aligned to form a groove. This design allows the structure to be used on a display device. In addition, the glass plate is divided into an upper glass plate 111 and a lower glass plate 112. In some devices that do not require a liquid crystal layer 113, such as a touch screen, there is no need to cut the glass plate to form a groove. Two glass plates of different lengths are used to form a groove. The groove is used to bond the FPC 20 to save the cutting process.
[0026] In another embodiment, see Figure 1The optical adhesive layer 30 includes a first adhesive layer 31 and a second adhesive layer 32. The first adhesive layer 31 and the second adhesive layer 32 are connected, the first adhesive layer 31 is bonded between the substrate assembly 11 and the cover plate 10, and the second adhesive layer 32 abuts against the adhesive block. The second adhesive layer 32 is 0.1 mm thicker than the first adhesive layer 31, so that the optical adhesive layer 30 fully abuts against the adhesive block. When the structure is subjected to external impact, the optical adhesive layer 30 and the adhesive block are fully in contact, which is sufficient to support the impact on the lower glass plate 112 and absorb the vibration of the lower glass plate 112 caused by the impact internally.
[0027] Preferably, the cover plate 10 is a TP cover plate.
[0028] Furthermore, the thickness of the lower glass plate 112 is 0.2 mm.
[0029] Furthermore, the optical adhesive layer 30 is an OCA adhesive layer, which has good light transmittance and does not affect the display effect. Preferably, the adhesive block is a UV adhesive block, which is made of UV adhesive. UV adhesive has strong safety, little air pollution, no VOC pollutants, fast curing speed, and curing temperature is room temperature, which is conducive to automated production lines. In addition, the UV adhesive block is a triangular column.
[0030] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A display structure for preventing screen breakage, characterized in that: include: Cover plate, substrate assembly, FPC, optical adhesive layer and adhesive block; A groove is provided at the edge of the substrate assembly, and one side of the substrate assembly where the groove is provided is bonded to the cover plate through the optical adhesive layer, the size of the optical adhesive layer is consistent with the size of the cover plate, and one end of the FPC is bonded in the groove through the adhesive block, and the adhesive block abuts against the optical adhesive layer.
2. The display structure for preventing screen breakage according to claim 1, characterized in that: The groove is a rectangular parallelepiped structure.
3. The display structure for preventing screen breakage according to claim 1, characterized in that: The optical adhesive layer is an OCA adhesive layer.
4. The display structure for preventing screen breakage according to claim 1, characterized in that: A steel sheet is arranged on the back side of the component area of the FPC.
5. The display structure for preventing screen breakage according to claim 1, characterized in that: The optical adhesive layer includes a first adhesive layer and a second adhesive layer connected to each other, the first adhesive layer is bonded between the substrate assembly and the cover plate, the second adhesive layer abuts against the adhesive block, and the second adhesive layer is 0.1 mm thicker than the first adhesive layer.
6. The display structure for preventing screen breakage according to claim 1, characterized in that: The substrate assembly includes an upper glass plate, a lower glass plate and a liquid crystal layer, the liquid crystal layer is arranged between the upper glass plate and the lower glass plate, the length of the upper glass plate and the length of the liquid crystal layer are smaller than the length of the lower glass plate, and the upper glass plate, the liquid crystal layer and one side of the lower glass plate are aligned to form the groove.
7. The display structure for preventing screen breakage according to claim 1, characterized in that: The cover plate is a TP cover plate.
8. The display structure for preventing screen breakage according to claim 6, characterized in that: The thickness of the lower glass plate is 0.2 mm.
9. The display structure for preventing screen breakage according to claim 1, characterized in that: The adhesive block is a UV adhesive block.
10. The display structure for preventing screen breakage according to claim 9, characterized in that: The UV adhesive block is in the shape of a triangular column.