Sealing structure of liquid crystal display (LCD) screen

By setting protective glue and sealing glue on the glue-coating runner of the LCD screen, a sealing structure is formed, which solves the problem of water vapor entering the liquid crystal box and realizes the normal operation of the LCD screen in a high humidity environment.

CN223180520UActive Publication Date: 2025-08-01TRULY SEMICON
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Patent Information

Application Number
CN202422291117.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-08-01
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

Water vapor is prone to enter the LCD box of the LCD screen, causing liquid crystal molecules to fail to pollute and fail to work normally in high humidity environments.

Method used

Protective glue (epoxy resin) is used to set up on the glue-coated runner, combining sealing glue and overflowing glue to form a sealing structure to prevent water vapor from entering the liquid crystal box.

Benefits of technology

Effectively block water vapor and impurities, protect liquid crystal molecules from contamination, and enable LCD screen to work normally in high humidity environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a sealing structure of an LCD screen. The sealing structure of the LCD screen comprises a plate body and protective glue, the plate body comprises a first glass plate, a second glass plate and a gluing runner, the first glass plate is arranged on the second glass plate, a liquid crystal box is arranged between the first glass plate and the second glass plate, and the gluing runner is arranged in the liquid crystal box; and the protective glue is arranged on the gluing runner. According to the scheme, water vapor can be prevented from entering the liquid crystal box, and liquid crystal molecules are protected against pollution.
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Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display, in particular to a sealing structure of an LCD screen. Background Art

[0002] At present, LCD screens are widely used, and can be found in smart homes, smart terminals, etc. However, in some high-humidity application scenarios, such as water meters, water vapor is likely to enter the liquid crystal cell of the LCD screen, thereby contaminating the liquid crystal molecules and causing the liquid crystal to fail. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art, and provide a sealing structure of an LCD screen, which can prevent water vapor from entering the liquid crystal cell and protect the liquid crystal molecules from being contaminated.

[0004] The purpose of the utility model is realized through the following technical solutions:

[0005] A first aspect of the present application provides a sealing structure of an LCD screen, including: a plate body, including a first glass plate, a second glass plate and a glue application flow channel, the first glass plate is arranged on the second glass plate, a liquid crystal cell is arranged between the first glass plate and the second glass plate, and the glue application flow channel is arranged in the liquid crystal cell; a protective glue, the protective glue is arranged on the glue application flow channel.

[0006] The width of the protective glue is 0.5 mm.

[0007] The plate body further includes a sealing glue, and the sealing glue is arranged at the opening of the liquid crystal cell.

[0008] A relief opening is provided on the glue application channel.

[0009] The protective glue is epoxy resin.

[0010] The plate body further includes a first glue overflow channel, and the first glue overflow channel is communicated with the glue application flow channel.

[0011] The plate body further includes a second glue overflow channel, and the second glue overflow channel is communicated with the glue application flow channel.

[0012] The plate body further includes liquid crystal molecules, and the liquid crystal molecules are arranged in the liquid crystal cell.

[0013] The first glass plate has a rectangular cross-section structure.

[0014] The second glass plate has a rectangular cross-section structure.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] By setting the protective glue, water vapor can be prevented from entering the liquid crystal cell, so that the liquid crystal screen can be applied in a high-humidity environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below.

[0018] Figure 1 FIG. is a schematic structural diagram of a sealing structure of an LCD screen in an embodiment of the present invention;

[0019] Figure 2 FIG. is a schematic structural diagram of another embodiment of a sealing structure of an LCD screen in an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The embodiments of the present application will be described in more detail below with reference to the drawings. Although the embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0021] It should be understood that although the terms "first", "second", "third", etc. may be used in the present application to describe various information, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, "a plurality" means two or more unless otherwise specifically defined.

[0022] Unless otherwise clearly defined and limited, the terms "mounted", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral body; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0023] At present, LCD screens are widely used, and LCD screens can be found in smart homes, smart terminals, etc. However, in some high-humidity application scenarios, such as water meters, water vapor is likely to enter the liquid crystal cell of the LCD screen, thereby contaminating the liquid crystal molecules and causing the liquid crystal to fail.

[0024] In view of the above problems, an embodiment of the present application provides a sealing structure for an LCD screen, which can prevent water vapor from entering the liquid crystal cell and protect the liquid crystal molecules from being contaminated.

[0025] The technical solutions of the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0026] Refer to Figure 1 and Figure 2 A sealing structure for an LCD screen includes: a plate body 100 and a protective glue. The plate body 100 includes a first glass plate 110, a second glass plate 120 and a glue application channel 130. The first glass plate 110 is disposed on the second glass plate 120, a liquid crystal cell 140 is disposed between the first glass plate 110 and the second glass plate 120, and the glue application channel 130 is disposed in the liquid crystal cell 140; the protective glue is disposed on the glue application channel 130.

[0027] It should be noted that the protective glue is epoxy resin with a width of 0.5 mm. The protective glue can block impurities such as water vapor and air from entering the cell and contaminating the liquid crystal molecules. Further, the glue application channel 130 is an area where the protective glue is coated. By setting the protective glue, it is possible to prevent water vapor from entering the liquid crystal cell 140, so that the liquid crystal screen can be applied in a high-humidity environment.

[0028] Refer to Figure 2 In one embodiment, the plate body 100 further includes a sealing glue 150, and the sealing glue 150 is disposed at the opening of the liquid crystal cell 140.

[0029] Refer to Figure 2 In one embodiment, a relief opening 131 is formed in the glue application channel 130.

[0030] It should be noted that the relief opening 131 is provided to provide a space for liquid crystal filling.

[0031] Refer to Figure 2 In one embodiment, the plate body 100 further includes a first overflow channel 160, and the first overflow channel 160 is communicated with the glue application channel 130. Specifically, the plate body 100 further includes a second overflow channel 170, and the second overflow channel 170 is communicated with the glue application channel 160.

[0032] It should be noted that by providing the first overflow channel 160 and the second overflow channel 170, the protective glue can be coated more evenly.

[0033] Refer to Figure 2 In one embodiment, the plate body 100 further includes liquid crystal molecules 180, and the liquid crystal molecules 180 are disposed in the liquid crystal cell 140. It can be understood that the liquid crystal screen controls the light transmittance by controlling the arrangement state of the liquid crystal molecules 180, so as to display an image.

[0034] Preferably, the first glass plate 110 has a rectangular cross-sectional structure. Preferably, the second glass plate 120 has a rectangular cross-sectional structure.

[0035] The solutions of the present application have been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of the respective embodiments have their own emphases. For the parts not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments. Those skilled in the art should also be aware that the actions and modules involved in the specification are not necessarily essential to the present application. In addition, it can be understood that the steps in the method embodiments of the present application can be adjusted, combined, and deleted according to actual needs, and the modules in the device embodiments of the present application can be combined, divided, and deleted according to actual needs.

[0036] The various embodiments of the present application have been described above. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, the practical application, or the improvement of the technology in the market, or to enable other ordinary skilled in the art to understand the embodiments disclosed herein.

Claims

1. A sealing structure for an LCD screen, characterized in that, Comprising: A plate body, including a first glass plate, a second glass plate and a glue application flow channel. The first glass plate is disposed on the second glass plate. A liquid crystal cell is disposed between the first glass plate and the second glass plate. The glue application flow channel is disposed within the liquid crystal cell; A protective glue, which is disposed on the glue application flow channel.

2. The sealing structure of the LCD screen according to claim 1, characterized in that, The width of the protective glue is 0.5 mm.

3. The sealing structure of the LCD screen according to claim 1, characterized in that The plate body further includes a sealing glue, which is disposed at the opening of the liquid crystal cell.

4. The sealing structure of the LCD screen according to claim 1, characterized in that, A relief opening is provided on the glue application channel.

5. The sealing structure of the LCD screen according to claim 1, wherein, The protective glue is epoxy resin.

6. The sealing structure of the LCD screen according to claim 1, characterized in that, The plate body further includes a first overflow channel, which is communicated with the glue application flow channel.

7. The sealing structure of the LCD screen according to claim 1, characterized in that, The plate body further includes a second overflow channel, which is communicated with the glue application flow channel.

8. The sealing structure of the LCD screen according to claim 1, characterized in that, The plate body further includes liquid crystal molecules, which are disposed within the liquid crystal cell.

9. The sealing structure of the LCD screen according to claim 1, characterized in that, The first glass plate has a rectangular cross-sectional structure.

10. The sealing structure of the LCD screen according to claim 1, characterized in that, The second glass plate has a rectangular cross-sectional structure.