Liquid crystal module for improving ESD (Electro-Static Discharge)

By filling conductive glue between the LCD panel and the backlight frame, the problem of difficulty in setting up the electrostatic conduction device during the assembly of the LCD module is solved, achieving efficient anti-static effect and improved assembly efficiency.

CN223347173UActive Publication Date: 2025-09-16TRULY SEMICON
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422607226.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-09-16
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

During the assembly process of existing liquid crystal modules, it is difficult to arrange the static electricity conduction device between the side of the display screen and the frame side wall of the backlight module, resulting in low assembly efficiency and insufficient anti-static capability.

Method used

Conductive glue is filled between the side of the LCD panel and the side wall of the backlight frame, and the side of the LCD panel and the side wall of the backlight frame are electrically connected using the conductive glue. The conductive glue is fluid before curing and can penetrate into the narrow gap to achieve electrical connection.

Benefits of technology

The anti-static capability of the liquid crystal module is improved, while the assembly efficiency is improved and assembly difficulties are avoided.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223347173U_ABST
    Figure CN223347173U_ABST
Patent Text Reader

Abstract

The utility model discloses a liquid crystal module for improving ESD (Electro-Static Discharge), which comprises a liquid crystal panel and a backlight module, and the liquid crystal panel is arranged on the light emitting side of the backlight module; wherein the backlight module comprises a backlight frame, the backlight frame comprises a frame side wall, and the frame side wall extends out of the side edge of the liquid crystal panel; and the conductive glue is filled between the side edge of the liquid crystal panel and the frame side wall of the backlight frame, so that the side edge of the liquid crystal panel is electrically connected with the frame side wall of the backlight frame. According to the liquid crystal module, the anti-static capacity of the liquid crystal module can be improved, and the assembling efficiency is high.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to display technology, in particular to a liquid crystal module for improving ESD. Background Art

[0002] The LCD module consists of two parts: an LCD panel and a backlight module. The LCD panel is located on the light-emitting side of the backlight module. The LCD panel is formed by two glass substrates with a sealed liquid crystal material sandwiched between them. The sides of the two glass substrates are exposed and are susceptible to static electricity, which can cause static electricity problems in the product.

[0003] In order to solve the above technical problems, the Chinese patent application number CN201821247153.6 discloses a display module, comprising a backlight module and a display screen stacked in sequence; the backlight module comprises a frame and a backlight element; the frame comprises a bottom wall and a side wall surrounding the bottom wall, the bottom wall is located on the side away from the display screen; the backlight element is located on the inside of the frame, and the frame is a metal frame; the display screen also comprises a polarizer 1, a display layer, and a polarizer 2 stacked in sequence; the display module also comprises an electrostatic conduction device, one end of the electrostatic conduction device is electrically connected to the side of the display layer, and the other end is electrically connected to the side wall of the frame. This patent arranges the electrostatic conduction device on the side of the display screen, and uses the electrostatic conduction device to electrically connect the side of the display screen to the side wall of the frame of the backlight module, so as to conduct away the static electricity on the side of the display screen and enhance the anti-static ability of the display module.

[0004] However, the gap between the side of the display screen and the side wall of the frame of the backlight module is very small, and it is difficult to arrange the static electricity conduction device between the two, and the assembly efficiency is low. Utility Model Content

[0005] In order to solve the above-mentioned deficiencies in the prior art, the present invention provides a liquid crystal module with improved ESD, which can improve the anti-static capability of the liquid crystal module and has higher assembly efficiency.

[0006] The technical problem to be solved by the present invention is achieved through the following technical solutions:

[0007] A liquid crystal module for improving ESD, comprising a liquid crystal panel and a backlight module, wherein the liquid crystal panel is arranged on the light-emitting side of the backlight module;

[0008] The backlight module includes a backlight frame, the backlight frame includes a frame sidewall, and the frame sidewall extends outside the side of the liquid crystal panel; and

[0009] Conductive glue is filled between the side of the liquid crystal panel and the frame side wall of the backlight frame to electrically connect the side of the liquid crystal panel and the frame side wall of the backlight frame.

[0010] Furthermore, the liquid crystal panel includes an upper polarizer, an upper substrate, a lower substrate and a lower polarizer arranged in sequence from top to bottom, and the conductive glue at least wraps around the sides of the upper substrate and the lower substrate.

[0011] Furthermore, the conductive glue also wraps around a side edge of at least one of the upper polarizer and the lower polarizer.

[0012] Furthermore, at least one of the upper substrate and the lower substrate is a glass substrate.

[0013] Furthermore, the frame side wall includes a first side wall, a side wall platform and a second side wall connected in sequence, the first side wall and the second side wall are perpendicular to the liquid crystal panel, and the side wall platform is parallel to the liquid crystal panel; the periphery of the liquid crystal panel is arranged on the side wall platform, and the conductive glue is filled between the side edge of the liquid crystal panel and the second side wall of the frame side wall.

[0014] Furthermore, the periphery of the liquid crystal panel is bonded and fixed to the sidewall platform by double-sided adhesive tape.

[0015] Furthermore, the double-sided tape is a light-shielding tape.

[0016] Furthermore, the backlight frame further includes a frame bottom surface, and the frame sidewalls are arranged on the periphery of the frame bottom surface.

[0017] Furthermore, the backlight frame is a metal frame.

[0018] Furthermore, the liquid crystal module further includes a protective cover or a touch panel, and the protective cover or the touch panel is arranged on a side of the liquid crystal panel away from the backlight module.

[0019] The present invention has the following beneficial effects: the liquid crystal module of the present invention extends the frame side wall of the backlight frame to the outside of the side of the liquid crystal panel, and then fills the conductive glue between the side of the liquid crystal panel and the frame side wall of the backlight frame, and uses the conductive glue to electrically connect the side of the display screen with the frame side wall of the backlight module to conduct the static electricity on the side of the display screen, thereby improving the anti-static ability of the liquid crystal module; moreover, the conductive glue is liquid before curing and has fluidity. Even if the gap between the side of the display screen and the frame side wall of the backlight module is small, it can utilize its fluidity before curing to penetrate between the side of the display screen and the frame side wall of the backlight module, without causing assembly difficulties, and the assembly efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the stacking structure of the liquid crystal module provided by the present invention.

[0021] Figure 2 This is a schematic diagram of the stacking structure of liquid crystal panels in the liquid crystal module provided by the present invention.

[0022] Figure 3 This is a schematic diagram of the stacking structure of another liquid crystal module provided by the present invention. DETAILED DESCRIPTION

[0023] The present invention is described in detail below with reference to the accompanying drawings and embodiments. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] 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 the technical features being referred to. Thus, a feature identified as "first," "second," or "third" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0026] In this utility model, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," "fixed," and "set" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0027] Example 1

[0028] like Figure 1 As shown, a liquid crystal module for improving ESD includes a liquid crystal panel 1 and a backlight module 2, wherein the liquid crystal panel 1 is arranged on the light-emitting side of the backlight module 2;

[0029] The backlight module 2 includes a backlight frame 20, the backlight frame 20 includes a frame bottom surface 21 and a frame side wall 22, the frame side wall 22 is arranged on the periphery of the frame bottom surface 21, and the frame side wall 22 extends to the side of the liquid crystal panel 1; and

[0030] The conductive glue 3 is filled between the side of the liquid crystal panel 1 and the frame side wall 22 of the backlight frame 20 to electrically connect the side of the liquid crystal panel 1 and the frame side wall 22 of the backlight frame 20 .

[0031] The liquid crystal module of the present invention extends the frame side wall 22 of the backlight frame 20 to the outside of the side of the liquid crystal panel 1, and then fills the conductive glue 3 between the side of the liquid crystal panel 1 and the frame side wall 22 of the backlight frame 20, and utilizes the conductive glue 3 to electrically connect the side of the display screen with the frame side wall 22 of the backlight module to conduct the static electricity on the side of the display screen, thereby improving the anti-static ability of the liquid crystal module; moreover, the conductive glue 3 is liquid before curing and has fluidity. Even if the gap between the side of the display screen and the frame side wall 22 of the backlight module is small, it can utilize its fluidity before curing to penetrate between the side of the display screen and the frame side wall 22 of the backlight module, without causing assembly difficulties, and the assembly efficiency is high.

[0032] The conductive glue 3 is formed by uniformly mixing conductive fillers in a resin base material according to a preset ratio. The conductive fillers can be powders of gold, silver, copper, aluminum, zinc, iron, nickel, graphite, and some conductive compounds; the resin base material can be a thermosetting adhesive, such as epoxy resin, silicone resin, polyimide resin, phenolic resin, polyurethane, acrylic resin, etc. The resin base material can also be a photocurable adhesive, such as polyurethane acrylic resin, polyester acrylic resin, amino acrylic resin, photoimaging alkali-soluble resin, etc.

[0033] The liquid crystal panel 1 includes an upper polarizer 11 , an upper substrate 12 , a lower substrate 13 and a lower polarizer 14 arranged in sequence from top to bottom. The conductive glue 3 at least wraps around the sides of the upper substrate 12 and the lower substrate 13 .

[0034] Preferably, the conductive glue 3 also wraps around the side of at least one of the upper polarizer 11 and the lower polarizer 14 ; optimally, the conductive glue 3 simultaneously wraps around the side of the upper polarizer 11 , the upper substrate 12 , the lower substrate 13 and the lower polarizer 14 .

[0035] like Figure 2 As shown, a liquid crystal material 15 and a sealant 16 are provided between the upper substrate 12 and the lower substrate 13. The sealant 16 is surrounded on the periphery of the liquid crystal material 15 to seal the liquid crystal material 15 between the upper substrate 12 and the lower substrate 13, and isolates the conductive glue 3 from the liquid crystal material 15 to prevent the conductive glue 3 from penetrating into the liquid crystal material 15 before curing.

[0036] In this embodiment, at least one of the upper substrate 12 and the lower substrate 13 is a glass substrate. Preferably, both the upper substrate 12 and the lower substrate 13 are glass substrates.

[0037] The frame side wall 22 includes a first side wall 221, a side wall platform 222, and a second side wall 223 connected in sequence, wherein the first side wall 221 and the second side wall 223 are perpendicular to the liquid crystal panel 1, and the side wall platform 222 is parallel to the liquid crystal panel 1; the periphery of the liquid crystal panel 1 is arranged on the side wall platform 222, and the conductive glue 3 is filled between the side of the liquid crystal panel 1 and the second side wall 223 of the frame side wall 22.

[0038] During assembly, the side wall platform 222 of the frame side wall 22 is used to provide support for the liquid crystal panel 1 to achieve assembly between the liquid crystal panel 1 and the backlight module 2; the optical devices of the backlight module 2 (such as light strips, light guide plates, etc.) are arranged in the space enclosed by the frame bottom surface 21 and the first side wall 221221.

[0039] The periphery of the liquid crystal panel 1 is bonded and fixed to the sidewall platform 222 by a double-sided tape 4 .

[0040] Preferably, the double-sided tape 4 is a light-shielding tape to prevent the backlight of the backlight module 2 from leaking from between the liquid crystal panel 1 and the sidewall platform 222 .

[0041] In this embodiment, the double-sided tape 4 is a black light-shielding tape.

[0042] Preferably, the backlight frame 20 is a metal frame to improve the electrostatic conduction capability of the backlight frame 20 .

[0043] In this embodiment, the backlight frame 20 is a stainless steel frame.

[0044] like Figure 3As shown, the liquid crystal module further includes a protective cover plate 5 or a touch panel 6 , and the protective cover plate 5 or the touch panel 6 is disposed on a side of the liquid crystal panel 1 away from the backlight module 2 .

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention rather than to limit them. Although the embodiments of the present invention are described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solutions of the embodiments of the present invention can still be modified or replaced by equivalents, and these modifications or equivalent replacements cannot cause the modified technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A liquid crystal module for improving ESD, comprising a liquid crystal panel and a backlight module, wherein the liquid crystal panel is disposed on the light-emitting side of the backlight module; in The backlight module includes a backlight frame, the backlight frame includes a frame sidewall, and the frame sidewall extends outside the side of the liquid crystal panel; as well as Conductive glue is filled between the side of the liquid crystal panel and the frame side wall of the backlight frame to electrically connect the side of the liquid crystal panel and the frame side wall of the backlight frame.

2. The liquid crystal module according to claim 1, wherein: The liquid crystal panel comprises an upper polarizer, an upper substrate, a lower substrate and a lower polarizer which are arranged in sequence from top to bottom, and the conductive glue at least wraps around the sides of the upper substrate and the lower substrate.

3. The liquid crystal module according to claim 2, wherein: The conductive glue also wraps around a side edge of at least one of the upper polarizer and the lower polarizer.

4. The liquid crystal module according to claim 2, wherein: At least one of the upper substrate and the lower substrate is a glass substrate.

5. The liquid crystal module according to claim 1, wherein: The frame side wall includes a first side wall, a side wall platform and a second side wall connected in sequence, the first side wall and the second side wall are perpendicular to the liquid crystal panel, and the side wall platform is parallel to the liquid crystal panel; the periphery of the liquid crystal panel is set on the side wall platform, and the conductive glue is filled between the side edge of the liquid crystal panel and the second side wall of the frame side wall.

6. The liquid crystal module according to claim 5, wherein: The periphery of the liquid crystal panel is bonded and fixed to the side wall platform by double-sided adhesive tape.

7. The liquid crystal module according to claim 6, wherein: The double-sided tape is a light-shielding tape.

8. The liquid crystal module according to claim 1, wherein: The backlight frame further includes a frame bottom surface, and the frame sidewall is arranged on the periphery of the frame bottom surface.

9. The liquid crystal module according to claim 1, wherein: The backlight frame is a metal frame.

10. The liquid crystal module according to claim 1, wherein: The liquid crystal module further includes a protective cover plate or a touch panel, and the protective cover plate or the touch panel is arranged on a side of the liquid crystal panel away from the backlight module.

Citation Information

Patent Citations

  • Display module

    CN208488737U