Static electricity leading-out structure of display module
By designing the electrostatic conduction structure of glass plates, polarizers and metal conductive blocks in the display module, the problem of poor electrostatic conduction of polarizers is solved, and the effect of effectively conducting and ensuring connectivity is achieved.
Patent Information
- Application Number
- CN202421414497.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-06-19
AI Technical Summary
In existing display screens, polarizers are prone to static electricity during use, resulting in unstable electrical connections and inability to effectively export static electricity.
An electrostatic conduction structure of a display module is designed, including a glass plate, a polarizer and a metal conductive block. A conductive slot and a GND circuit are provided on the glass plate, and a metal conductive block is arranged between the glass plate and the polarizer. A bump extends from the middle of the conductive block, and a static current is derived to the GND circuit through the bump.
Through this structure, the static electricity on the polarizer can be effectively guided, ensure the connectivity between the glass plate and the polarizer, improve the electrostatic conduction efficiency, and prevent electrostatic shock damage.
Smart Images
Figure CN222827403U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of display screens, in particular to a static electricity derivation structure of a display module. Background Art
[0002] The display screen is a common component in electronic products. The display screen includes a liquid crystal screen, and polarizers are attached to the upper and lower surfaces. The polarizer will generate static electricity during use. Therefore, a groove is opened on the cover plate, and a circuit is set on the cover plate, and the GND end of the circuit is set in the groove. Silver paste is set on the groove, and the cover plate and the polarizer are electrically connected by the silver paste. However, the end of the silver paste is embedded in the groove, and the connectivity between the cover plate and the polarizer cannot be guaranteed. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a static electricity decoupling structure for a display module.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] A static electricity decoupling structure of a display module comprises: a glass plate, a polarizer and a metal conductive block; the upper surface of the glass plate is bonded to the lower surface of the polarizer, a visible area and a non-visible area are arranged on the glass plate, a conductive groove is provided on the side of the non-visible area close to the polarizer, a GND circuit connected to the conductive groove is arranged on the glass plate, the metal conductive block is arranged between the glass plate and the polarizer, a convex block electrically connected to the GND circuit in the conductive groove is extended downward from the middle part of the metal conductive block, and the static current on the polarizer is decoupled from the convex block to the GND circuit of the glass plate through the metal conductive block.
[0006] In one embodiment, the metal conductive block is made of silver.
[0007] In one embodiment, the outer surface of the protrusion is tightly fitted with the inner surface of the conductive slot.
[0008] In one embodiment, the glass plate includes a first glass layer, a second glass layer and an ink layer; the ink layer is disposed between the first glass layer and the second glass layer, and the ink layer is disposed on the non-visible area.
[0009] In one embodiment, the metal conductive block is in a "T" shape.
[0010] In one of the embodiments, a water drop avoidance groove is provided on the top of the polarizer.
[0011] In one embodiment, the electrostatic decoupling structure of the display module further includes two metal conductive blocks, the non-visible area has two conductive grooves on one side close to the polarizer, and the protrusions on the two metal conductive blocks are embedded in the conductive grooves.
[0012] In one embodiment, the conductive grooves are symmetrically arranged on both sides of the glass plate.
[0013] In one embodiment, the glass plate is in a rectangular parallelepiped structure, and the four corners of the glass plate are in arc shape.
[0014] In one embodiment, the metal conductive block includes a bump and a cross piece, and the length of the cross piece is ten times the length of the bump.
[0015] Compared with the prior art, the utility model has at least the following advantages:
[0016] The static electricity extraction structure of the display module of the utility model is provided by arranging a glass plate, a polarizer and a metal conductive block, and the upper surface of the glass plate is bonded to the lower surface of the polarizer. A conductive groove is provided on the glass plate on the side close to the polarizer, and a GND circuit connected to the conductive groove is provided on the glass plate. The metal conductive block is arranged between the glass plate and the polarizer, and a protrusion extends from the middle of the metal conductive block. The static electricity on the polarizer is guided from the protrusion to the GND circuit of the glass plate through the upper part of the metal conductive block, and the static electricity of the metal conductive block is introduced into the GND circuit in the groove through the protrusion in the middle. Compared with the prior art, the metal conductive blocks on both sides of the protrusion are designed in the middle of the metal conductive block, and the impedance is smaller, and the conduction length of the metal conductive block is shorter, which is more conducive to guiding away static electricity and can ensure the connectivity of the glass plate and the polarizer. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] 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.
[0018] Figure 1 It is a structural schematic diagram of the electrostatic decoupling structure of the display module in one embodiment of the utility model;
[0019] Figure 2 for Figure 1 Schematic diagram of the local enlarged structure of A in FIG.
[0020] Reference numerals:
[0021] The glass plate 10 , the conductive groove 11 , the polarizer 20 , the water drop avoidance groove 21 , the metal conductive block 30 , the protrusion 31 , and the horizontal plate 32 . 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 static electricity output structure for a display module. Figure 1 and Figure 2 , including: a glass plate 10, a polarizer 20 and a metal conductive block 30. The glass plate 10 is transparent, and the upper surface of the glass plate 10 is in contact with the lower surface of the polarizer 20. The glass plate 10 is provided with a visible area and a non-visible area, and a conductive groove 11 is provided on the non-visible area on a side close to the polarizer 20, and a GND circuit connected to the conductive groove 11 is provided on the glass plate 10. The metal conductive block 30 is arranged between the glass plate 10 and the polarizer 20, and a bump 31 electrically connected to the GND circuit in the conductive groove 11 extends downward from the middle of the metal conductive block 30. The static current on the polarizer 20 is conducted through the upper part of the metal conductive block 30 and from the bump 31 to the GND circuit of the glass plate 10, while the static electricity of the metal conductive block 30 is conducted into the GND circuit in the groove through the middle bump 31. Compared with the prior art, the metal conductive blocks 30 on both sides of the bump 31 are designed in the middle of the metal conductive block 30, and the impedance is smaller. The conduction length of the metal conductive block 30 is shorter, which is more conducive to conducting away static electricity and can ensure the connectivity between the glass plate 10 and the polarizer 20.
[0024] Preferably, the metal conductive block 30 is made of silver. Since metal silver has the best conductivity, in order to ensure the conductivity between the glass plate 10 and the polarizer 20, the static electricity on the polarizer 20 is promptly discharged to prevent damage to the polarizer 20 and the liquid crystal screen.
[0025] In one embodiment, the outer surface of the bump 31 is tightly fitted to the inner surface of the conductive slot 11 to ensure connectivity between the bump 31 and the GND line in the conductive slot 11 and avoid poor contact that would prevent static electricity from being conducted away.
[0026] See also Figure 2 The metal conductive block 30 is in a "T" shape, and the bump 31 is set in the middle of the metal conductive block 30, so that the impedance at both ends of the bump 31 is consistent, and the static electricity on the polarizer 20 is further discharged in time to protect the display screen. The metal conductive block 30 includes the bump 31 and the cross piece. The length of the cross piece is ten times the length of the bump 31. The longer length of the cross piece is conducive to gathering electrons, thereby quickly discharging the static electricity in the polarizer 20.
[0027] For further information, see Figure 1The electrostatic decoupling structure of the display module also includes two metal conductive blocks 30. Two conductive slots 11 are provided on the side of the non-visible area close to the polarizer 20, and GND circuits are provided in the conductive slots 11. The bumps 31 on the two metal conductive blocks 30 are embedded in the conductive slots 11 and are electrically connected to the GND circuit. This design can speed up the conduction efficiency by simultaneously decoupling the static electricity on the polarizer 20 through the metal conductive blocks 30 at two locations. Furthermore, the conductive slots 11 are symmetrically arranged on both sides of the glass plate 10, further improving the electrostatic decoupling efficiency at different parts of the polarizer 20.
[0028] Further, see Figure 1 The polarizer 20 is provided with a water drop avoidance groove 21 at the top, and the water drop avoidance groove 21 is used to install a camera to prevent the polarizer 20 from blocking the camera and affecting the camera's shooting effect.
[0029] In another embodiment, the glass plate 10 has a rectangular structure, and the four corners of the glass plate 10 are arc-shaped to avoid the sharp corners from scratching people. In addition, the arc-shaped corners are less likely to be broken than the sharp corners, thereby effectively protecting the integrity of the glass plate 10.
[0030] In addition, the glass plate 10 includes a first glass layer, a second glass layer and an ink layer. The ink layer is disposed between the first glass layer and the second glass layer, and the ink layer is disposed on the non-visible area, wherein the ink layer is a black solid ink, and the ink layer can cover the wiring, circuit board and other components in the non-visible area to maintain the beauty of the display screen.
[0031] 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. An electrostatic decoupling structure of a display module, characterized in that: include: Glass plates, polarizers and metal conductive blocks; The upper surface of the glass plate is bonded to the lower surface of the polarizer, and a visible area and a non-visible area are provided on the glass plate. A conductive groove is provided on the side of the non-visible area close to the polarizer, and a GND circuit connected to the conductive groove is provided on the glass plate. The metal conductive block is arranged between the glass plate and the polarizer, and a protrusion electrically connected to the GND circuit in the conductive groove extends downward from the middle part of the metal conductive block, and the static current on the polarizer is led out from the protrusion to the GND circuit of the glass plate through the metal conductive block.
2. The static electricity extraction structure of the display module according to claim 1, characterized in that: The material of the metal conductive block is silver.
3. The static electricity extraction structure of the display module according to claim 1, characterized in that: The outer surface of the protrusion is tightly fitted with the inner surface of the conductive groove.
4. The static electricity extraction structure of the display module according to claim 1, characterized in that: The glass plate comprises a first glass layer, a second glass layer and an ink layer; The ink layer is disposed between the first glass layer and the second glass layer, and the ink layer is disposed on the non-visible area.
5. The static electricity extraction structure of the display module according to claim 1, characterized in that: The metal conductive block is in a "T" shape.
6. The static electricity extraction structure of the display module according to claim 1, characterized in that: The polarizer is provided with a water drop avoidance groove on the top.
7. The static electricity extraction structure of the display module according to claim 1, characterized in that: It also includes two metal conductive blocks. The non-visible area has two conductive grooves on one side close to the polarizer. The protrusions on the two metal conductive blocks are embedded in the conductive grooves.
8. The static electricity extraction structure of the display module according to claim 7, characterized in that: The conductive grooves are symmetrically arranged on both sides of the glass plate.
9. The static electricity extraction structure of the display module according to claim 1, characterized in that: The glass plate is in a rectangular parallelepiped structure, and the four corners of the glass plate are in arc shape.
10. The static electricity extraction structure of the display module according to claim 1, characterized in that: The metal conductive block includes a bump and a cross piece, and the length of the cross piece is ten times the length of the bump.