Liquid crystal display screen capable of improving grounding effect

By leading a grounding block out of the LCD screen and using conductive cloth for stable grounding, the problem of poor grounding effect was solved, thus enhancing the product's competitiveness.

CN223679476UActive Publication Date: 2025-12-16TRULY SEMICON
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Patent Information

Application Number
CN202520319360.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2025-12-16
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

The poor grounding performance of existing LCD screens reduces product competitiveness.

Method used

In the LCD screen, the display FPC and the touch FPC each have a grounding block, and the grounding block and the surface of the lower iron frame are covered with a soft conductive cloth to ensure stable grounding.

Benefits of technology

This improved the grounding performance of the LCD screen and enhanced the product's competitiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a liquid crystal display screen capable of improving grounding effect, which comprises a lower iron stand, a backlight module, a display module, a touch film and conductive cloth, and the backlight module is arranged above the lower iron stand; the display module is arranged above the backlight module, and a display FPC is led out of the display module; the touch control film is arranged above the display module, a touch control FPC is led out of the touch control film, the display FPC and the touch control FPC are both bent downwards to the lower surface of the lower iron frame, and a display grounding block and a touch control grounding block are led out of the display FPC and the touch control FPC located on the lower surface of the lower iron frame respectively; and the conductive cloth covers the lower surfaces of the display grounding block, the touch grounding block and the lower iron stand. The display grounding block and the touch grounding block are respectively led out from the display FPC and the touch FPC on the lower surface of the lower iron stand, and the conductive cloth covers the display grounding block and the touch grounding block at the same time, so that stable grounding of the two FPCs and the lower iron stand can be ensured through fitting of the conductive cloth due to the flexibility of the conductive cloth.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a liquid crystal display technical field more specifically, relate to a liquid crystal display panel of improving grounding effect. BACKGROUND

[0002] When the touch display screen module usually touch screen FPC and display FPC are fixed to the module back through the double-sided adhesive bending, in order to improve the overall electrostatic ability of module, usually GND copper is leaked in the contact surface of FPC and module back light iron stand, then the FPC and back light iron stand are grounded through conductive adhesive. Because of the influence of FPC wiring, the GND copper leakage area is limited, which leads to poor grounding effect, and it is difficult to maintain good grounding performance, and reduces the competitiveness of products. UTILIT Y MODEL CONTENT

[0003] The utility model solves the technical problem of how to improve the grounding effect, maintain good grounding performance and improve the competitiveness of products.

[0004] The technical problem solved by the utility model is solved by the following technical scheme:

[0005] To solve the above technical problem, the utility model provides a liquid crystal display panel that improves grounding effect, which comprises a lower iron stand, a backlight module, a display module, a touch film and a conductive cloth, the backlight module is arranged above the lower iron stand, the display module is arranged above the backlight module, the display module has a display FPC led out outward, the touch film is arranged above the display module, the touch film has a touch FPC led out outward, the display FPC and the touch FPC are all bent downward to the lower surface of the lower iron stand, the display FPC and the touch FPC located at the lower surface of the lower iron stand have display grounding blocks and touch grounding blocks led out respectively, and the conductive cloth covers the display grounding block, the touch grounding block and the lower surface of the lower iron stand.

[0006] As a preferred embodiment of the liquid crystal display panel that improves grounding effect provided by the utility model, the display grounding block and the touch grounding block have the same leading direction and are close to each other.

[0007] As a preferred embodiment of the liquid crystal display panel that improves grounding effect provided by the utility model, the display FPC and the touch FPC are both fixed on the lower surface of the lower iron stand through double-sided adhesive.

[0008] As a preferred embodiment of the liquid crystal display panel that improves grounding effect provided by the utility model, the double-sided adhesive is strong adhesion double-sided adhesive.

[0009] As a preferred implementation form of the liquid crystal display screen with improved grounding effect provided by the utility model, the display grounding block and the touch grounding block are both square grounding blocks.

[0010] As a preferred implementation form of the liquid crystal display screen with improved grounding effect provided by the utility model, the square grounding block has a side length of 8 mm.

[0011] As a preferred implementation form of the liquid crystal display screen with improved grounding effect provided by the utility model, the display FPC is provided with a connector and a component area.

[0012] As a preferred implementation form of the liquid crystal display screen with improved grounding effect provided by the utility model, the component area has a component height of not higher than 1.4 mm.

[0013] As a preferred implementation form of the liquid crystal display screen with improved grounding effect provided by the utility model, the backlight module has a backlight FPC led out therefrom, and the backlight FPC and the touch FPC are both bound on the display FPC.

[0014] As a preferred implementation form of the liquid crystal display screen with improved grounding effect provided by the utility model, the touch film is provided with a cover plate.

[0015] The utility model has the following beneficial effects:

[0016] Since the display FPC and the touch FPC led out from the lower surface of the lower iron frame are respectively provided with the display grounding block and the touch grounding block, and the conductive cloth covers the display grounding block and the touch grounding block, the stable grounding of the two FPCs and the lower iron frame can be ensured through the adhesion of the conductive cloth due to the softness of the conductive cloth, so that the grounding effect is improved, the product keeps good grounding performance, and the competitiveness of the product is improved. DRAWINGS

[0017] In order to more clearly illustrate the scheme in the application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 The utility model provides a kind of structure schematic diagram of liquid crystal display screen with improved grounding effect.

[0019] Figure 2 For Figure 1 The enlarged view of A in the middle.

[0020] Figure 3 For Figure 1right view of the device.

[0021] Figure 4 for Figure 3 enlarged view at B.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] lower iron stand 1; backlight module 2; display module 3; touch film 4; conductive cloth 5; display FPC 6; touch FPC 7; display ground block 8; touch ground block 9; connector 10; component area 11; backlight FPC 12; cover plate 13. DETAILED DESCRIPTION

[0024] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0025] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0026] In addition, the terms "first", "second", "third" are only for description purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second", "third" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0027] The utility model provides a kind of liquid crystal display panel of improving grounding effect, it includes lower iron stand, backlight module, display module, touch film and conductive cloth, the backlight module is set in the top of the lower iron stand;The display module is set in the top of the backlight module, the display module has the display FPC led out outward;The touch film is set in the top of the display module, the touch film has the touch FPC led out outward, the display FPC and the touch FPC are all bent down to the lower surface of the lower iron stand, the display FPC and the touch FPC at the lower surface of lower iron stand respectively lead out display grounding block and touch grounding block;The conductive cloth covers the lower surface of display grounding block, touch grounding block and lower iron stand.

[0028] Since the display FPC and the touch FPC at the lower surface of the lower iron stand lead out display grounding block and touch grounding block respectively, and the conductive cloth covers the display grounding block and the touch grounding block, due to the softness of the conductive cloth, the stable grounding of the two FPCs and the lower iron stand can be ensured by the lamination of the conductive cloth, thereby improving the grounding effect, maintaining good grounding performance, and improving the competitiveness of the product.

[0029] In order to enable the personnel in the technical field to better understand the present application scheme, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings. The utility model will be described in detail below in conjunction with the drawings and embodiments, the examples of the embodiments are shown in the drawings, wherein the same or similar numbers represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as a limitation on the utility model.

[0030] Embodiment 1, please refer to Figures 1 to 4The utility model provides a liquid crystal display panel of improving grounding effect, it includes lower iron stand 1, backlight module 2, display module 3, touch film 4 and conductive cloth 5, backlight module 2 sets at the top of lower iron stand 1, display module 3 sets at the top of backlight module 2, and display module 3 leads out display FPC 6 outward, touch film 4 sets at the top of display module 3, and touch film 4 leads out touch FPC 7 outward, and display FPC 6 and touch FPC 7 are all bent down to the lower surface of lower iron stand 1, and display FPC 6 and touch FPC 7 at the lower surface of lower iron stand 1 lead out display grounding block 8 and touch grounding block 9 respectively, and conductive cloth 5 covers the lower surface of display grounding block 8, touch grounding block 9 and lower iron stand 1, owing to display FPC 6 and touch FPC 7 at the lower surface of lower iron stand 1 lead out display grounding block 8 and touch grounding block 9 respectively, and conductive cloth 5 covers display grounding block 8 and touch grounding block 9 simultaneously, owing to the softness of conductive cloth 5, the stable grounding of two FPCs and lower iron stand 1 can be guaranteed through the adhesion of conductive cloth 5, thereby improving grounding effect, making it maintain good grounding performance, and improving the competitiveness of product.

[0031] Further, the display grounding block 8 and the touch grounding block 9 have the same lead-out direction and are close to each other in position, so that the size of the conductive cloth 5 can be made as small as possible, and the display grounding block 8 and the touch grounding block 9 can be arranged compactly and reasonably, thereby saving production cost.

[0032] Further, the display FPC 6 and the touch FPC 7 are fixed to the lower surface of the lower iron stand 1 by double-sided adhesive, and the double-sided adhesive is strong adhesive double-sided adhesive, that is, the fixing of the display FPC 6 and the touch FPC 7 to the lower iron stand 1 can be replaced by strong adhesive double-sided adhesive from conductive adhesive, thereby strengthening the fixing, improving the fixing effect, and improving the problem of the FPC being warped due to poor adhesion.

[0033] Further, the display grounding block 8 and the touch grounding block 9 are square grounding blocks, and the side length of the square grounding block is 8 mm, which can ensure that the display grounding block 8 and the touch grounding block 9 have sufficient contact space with the lower iron stand 1, thereby ensuring the grounding effect.

[0034] Embodiment 2, please refer to Figures 1 to 4 As a further optimization scheme of embodiment 1, in the embodiment, the display FPC 6 is provided with a connector 10 and a component area 11, and the height of the components in the component area 11 is not higher than 1.4 mm, so as to avoid that the height of the components is too high to affect the thickness of the entire liquid crystal display panel.

[0035] Further, the backlight module 2 leads out a backlight FPC 12 outward, and the backlight FPC 12 and the touch FPC 7 are bound on the display FPC 6.

[0036] Further, the touch film 4 is provided with a cover plate 13, that is, the touch film 4 is arranged on the lower surface of the cover plate 13, so that the cover plate 13 has the touch function, and the cover plate 13 is a glass cover plate 13.

[0037] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection or communication with each other; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] Obviously, the above-described embodiments are only some embodiments of the present application, not all embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features therein. Any equivalent structure made by using the contents of the present application specification and drawings, directly or indirectly applied to other related technical fields, is also within the scope of the patent protection of the present application.

Claims

1. A liquid crystal display screen with improved grounding effect, characterized in that, It includes: Lower iron frame; Backlight module, which is arranged above the lower iron frame; Display module, which is arranged above the backlight module, the display module leads out a display FPC outward; Touch film, which is arranged above the display module, the touch film leads out a touch FPC outward, the display FPC and the touch FPC are both bent downward to the lower surface of the lower iron frame, the display FPC and the touch FPC at the lower surface of the lower iron frame lead out a display grounding block and a touch grounding block respectively; Conductive cloth, which covers the display grounding block, the touch grounding block and the lower surface of the lower iron frame.

2. The liquid crystal display panel for improving grounding effect according to claim 1, wherein The display grounding block and the touch grounding block have the same leading-out direction and are close to each other.

3. The liquid crystal display panel for improving grounding effect according to claim 1, wherein The display FPC and the touch FPC are both fixed on the lower surface of the lower iron frame by double-sided adhesive.

4. The liquid crystal display panel for improving grounding effect according to claim 3, wherein The double-sided adhesive is strong adhesive.

5. The liquid crystal display panel for improving grounding effect according to claim 1, wherein The display grounding block and the touch grounding block are both square grounding blocks.

6. The liquid crystal display panel for improving grounding effect according to claim 5, wherein The side length of the square grounding block is 8mm.

7. The ground effect improving liquid crystal display panel according to claim 1, wherein The display FPC is provided with a connector and a component area.

8. The liquid crystal display panel for improving grounding effect according to claim 7, wherein The height of the component in the component area is not higher than 1.4mm.

9. The ground effect improving liquid crystal display panel according to claim 1, wherein The backlight module leads out a backlight FPC outward, the backlight FPC and the touch FPC are both bound on the display FPC.

10. The liquid crystal display panel for improving grounding effect according to claim 1, wherein The touch film is provided with a cover plate.