Liquid crystal module structure and liquid crystal display device
By designing a grounding circuit in the liquid crystal module, using exposed copper zone, grounding pin position and conductive connector, the problem of static electricity accumulation during use of the liquid crystal module is solved, the effect of improving anti-static performance is achieved, and the cost is reduced. Simplified design.
Patent Information
- Application Number
- CN202421440654.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-06-21
AI Technical Summary
Existing liquid crystal modules are susceptible to static electricity during use, resulting in damage to the display screen, and relying on antistatic materials or clients to deal with static problems, increasing costs and product design complexity.
A liquid crystal module structure is designed, through the connection circuit board and the liquid crystal module, the exposed copper area and the grounding pin position are set, and the conductive outer frame is electrically connected to the conductive outer frame through the conductive connection to form a grounding circuit to quickly deduce static electricity.
It effectively improves the antistatic performance of the liquid crystal module, avoids the damage to the product caused by electrostatic accumulation, reduces costs, simplifies product design, and improves user experience.
Smart Images
Figure CN222529614U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of liquid crystal display technology, and more specifically, to a liquid crystal module structure and a liquid crystal display device. Background Art
[0002] At present, the LCD module is mainly divided into a screen and a backlight component. The two parts are assembled together, but they are independent of each other when working (that is, the circuits are not related); the main function of the LCD module is to provide image display function, and it is widely used in various electronic products such as mobile phones, tablets, TVs, and e-books. It has the characteristics of small size, light weight, low power consumption, and good display effect. It is one of the most common display technologies at present. However, the LCD module is also a kind of electronic component. It will be affected by static electricity to varying degrees during use in different scenarios. Severe static electricity will cause damage to the display screen.
[0003] Generally, many existing LCD modules are covered with conductive cloth or anti-static shielding film around their connecting cables (flexible circuit boards), or use materials with higher anti-static capabilities, or the whole machine manufacturer customers do a good job of anti-static protection on their whole machines to minimize the adverse effects of static electricity; however, only relying on reducing the interference of external static electricity and ignoring that the electronic components themselves will also cause static electricity problems when they are powered on, once too much static electricity accumulates and cannot be discharged in time, it will also damage the product; in addition, using materials with higher anti-static capabilities will lead to increased costs and increase manufacturing costs; relying on the client to deal with static electricity problems will complicate the client's product design and affect the user experience. Utility Model Content
[0004] The purpose of the present application is to provide a liquid crystal module structure and a liquid crystal display device, which can achieve the technical effect of improving antistatic performance.
[0005] In a first aspect, the present application provides a liquid crystal module structure, including a liquid crystal module, a conductive connecting member, a connecting circuit board and a conductive outer frame;
[0006] The liquid crystal module is matched and mounted on the conductive outer frame;
[0007] The connecting circuit board is electrically connected to the liquid crystal module, the connecting circuit board is provided with a copper exposed area, the connecting circuit board is provided with a grounding pin position, the grounding pin position of the connecting circuit board is electrically connected to the copper exposed area, and the copper exposed area is electrically connected to the conductive outer frame through the conductive connecting member.
[0008] In the above implementation process, the liquid crystal module structure is electrically connected to the liquid crystal module through the connecting circuit board, and the internal circuit of the display panel and the backlight circuit of the liquid crystal module are respectively connected through the connecting circuit board to make the liquid crystal module operate; wherein, the connecting circuit board is provided with a copper-exposed area, the copper-exposed area is connected to the grounding pin position of the connecting circuit board, and the copper-exposed area and the conductive outer frame are respectively connected through the conductive connecting parts; thereby, the copper-exposed area is connected to the grounding circuit on the connecting circuit board to form a large grounding circuit, and when the liquid crystal module is working, the static electricity accumulated inside the liquid crystal module can be discharged from the grounding circuit of the connecting circuit board on the one hand, and on the other hand, the static electricity can also be sequentially conducted from the copper-exposed area and the conductive connecting parts on the connecting circuit board to the conductive outer frame, and then the static electricity is discharged from the conductive outer frame to the outside, so that the static electricity is quickly discharged to avoid damage to the product caused by static electricity accumulation; thereby, the liquid crystal module structure can achieve the technical effect of improving the antistatic performance.
[0009] Furthermore, the liquid crystal module includes an internal circuit of a display panel and a backlight circuit, and the internal circuit of the display panel and the backlight circuit are electrically connected to the connection circuit board respectively.
[0010] In the above implementation process, the LCD module is mainly divided into an LCD display screen and a backlight source assembly, wherein the internal circuit of the display panel is connected correspondingly to the LCD display screen, and the backlight circuit is connected correspondingly to the backlight source assembly. The internal circuit of the display panel and the backlight circuit are connected respectively through a connecting circuit board to enable the LCD module to work normally.
[0011] Furthermore, the internal circuit of the display panel is provided with a grounding point, and the grounding point is electrically connected to the copper exposed area.
[0012] In the above implementation process, the static electricity accumulated in the liquid crystal module when it is working can be directly conducted to the exposed copper area through the grounding position of the internal circuit of the display panel, and then conducted from the exposed copper area to the conductive frame, thereby avoiding damage to the liquid crystal module caused by static electricity.
[0013] Furthermore, the conductive connecting member is a conductive foam, one end of the conductive foam is connected to the conductive outer frame, and the other end of the conductive foam is connected to the copper exposed area.
[0014] Furthermore, the conductive connecting member is a conductive cloth, one end of the conductive cloth is connected to the conductive outer frame, and the other end of the conductive cloth is connected to the copper exposed area.
[0015] Furthermore, the conductive outer frame is a metal outer frame.
[0016] Furthermore, the liquid crystal module structure also includes a whole-machine driving board, and the whole-machine driving board is electrically connected to the connecting circuit board.
[0017] Furthermore, the liquid crystal module structure also includes a power supply, and the power supply is electrically connected to the whole machine driving board.
[0018] In the above implementation process, the LCD module is connected to the whole machine driving board through the connecting circuit board, and the whole machine driving board is connected to the power supply, so as to supply power to the LCD module and make the LCD screen of the LCD module light up and work.
[0019] Furthermore, the connecting circuit board is a flexible circuit board.
[0020] In a second aspect, the present application provides a liquid crystal display device, comprising the liquid crystal module structure described in any one of the first aspects.
[0021] Other features and advantages disclosed in the present application will be described in the following description, or some features and advantages can be inferred or determined without doubt from the description, or can be learned by implementing the above-mentioned technology disclosed in the present application.
[0022] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0024] Figure 1 A schematic diagram of a liquid crystal module structure provided in an embodiment of the present application;
[0025] Figure 2 A schematic diagram of another liquid crystal module structure provided in an embodiment of the present application.
[0026] Reference numerals: liquid crystal module 100 ; conductive connector 200 ; connecting circuit board 300 ; exposed copper area 310 ; grounding pin position 320 ; conductive outer frame 400 ; whole machine driving board 500 ; power supply 600 . DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described 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, rather than all of the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.
[0028] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0029] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.
[0030] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or a point connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0031] In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, "plurality" means two or more.
[0032] The embodiments of the present application provide a liquid crystal module structure and a liquid crystal display device, which can be applied to the electrostatic protection process of a liquid crystal display device; the liquid crystal module structure is electrically connected to the liquid crystal module through a connecting circuit board, and the internal circuit of the display panel and the backlight circuit of the liquid crystal module are respectively connected through the connecting circuit board to make the liquid crystal module operate; wherein, the connecting circuit board is provided with an exposed copper area, the exposed copper area is connected to the grounding pin position of the connecting circuit board, and the exposed copper area and the conductive outer frame are respectively connected through conductive connectors; thereby, the exposed copper area is connected to the grounding circuit on the connecting circuit board and forms a large grounding circuit, and when the liquid crystal module is working, the static electricity accumulated inside the liquid crystal module can be discharged from the grounding circuit of the connecting circuit board on the one hand, and on the other hand, the static electricity can also be sequentially conducted from the exposed copper area and the conductive connector on the connecting circuit board to the conductive outer frame, and then the static electricity is discharged from the conductive outer frame to the outside, so that the static electricity is quickly discharged to avoid damage to the product caused by static electricity accumulation; thereby, the liquid crystal module structure can achieve the technical effect of improving the antistatic performance.
[0033] See also Figure 1 and Figure 2 , Figure 1 A schematic diagram of a liquid crystal module structure provided in an embodiment of the present application is shown in FIG. Figure 2 A schematic diagram of another liquid crystal module structure provided in an embodiment of the present application; the liquid crystal module structure includes a liquid crystal module 100, a conductive connecting member 200, a connecting circuit board 300 and a conductive outer frame 400;
[0034] Exemplarily, the liquid crystal module 100 is matched and mounted on the conductive frame 400;
[0035] Among them, the liquid crystal module 100 includes a liquid crystal display screen and a backlight source assembly. The liquid crystal display screen is correspondingly connected to the internal circuit of the display panel, and the backlight source assembly is correspondingly connected to the backlight circuit. The liquid crystal module will generate static electricity when in use. The accumulation of static electricity can easily cause damage to the liquid crystal module itself. Severe static electricity may cause damage to the liquid crystal display screen.
[0036] Exemplarily, the liquid crystal module 100 is not electrically connected to the conductive frame 400 , that is, static electricity accumulated in the liquid crystal module 100 cannot be directly conducted to the conductive frame 400 .
[0037] Exemplarily, the connecting circuit board 300 is electrically connected to the liquid crystal module 100, the connecting circuit board 300 is provided with a copper exposed area 310, the connecting circuit board 300 is provided with a ground pin position 320, the ground pin position 320 of the connecting circuit board 300 is electrically connected to the copper exposed area 310, and the copper exposed area 310 is electrically connected to the conductive outer frame 400 through the conductive connector 200.
[0038] Exemplarily, the liquid crystal module 100 is connected to the whole machine driving board through the connecting circuit board 300, and the whole machine driving board is connected to the power supply, so as to supply power to the liquid crystal module 100 and make the liquid crystal display screen of the liquid crystal module 100 light up and work; the function of the connecting circuit board 300 in the liquid crystal module 100 is to connect the internal circuit of the display panel of the liquid crystal module 100 with the backlight circuit, as well as the external circuits such as the whole machine driving board.
[0039] Exemplarily, the static electricity accumulated in the liquid crystal module 100 can be conducted to the connecting circuit board 300. On the one hand, the static electricity can be discharged through the ground pin of the connecting circuit board 300. On the other hand, the static electricity can be conducted from the exposed copper area and the conductive connector on the connecting circuit board to the conductive frame in sequence. The static electricity is then discharged to the outside through the conductive frame, so that the static electricity can be discharged quickly.
[0040] In some embodiments, the liquid crystal module structure is electrically connected to the liquid crystal module 100 through the connecting circuit board 300, and the internal circuit of the display panel and the backlight circuit of the liquid crystal module 100 are respectively connected through the connecting circuit board 300, so that the liquid crystal module can operate; wherein the connecting circuit board 300 is provided with a copper-exposed area 310, and the copper-exposed area 310 is connected to the ground pin position 320 of the connecting circuit board 300, and the copper-exposed area 310 and the conductive outer frame 400 are respectively connected through the conductive connecting member 200; thereby, the copper-exposed area 310 and the ground pin position 320 on the connecting circuit board 300 are connected. The ground lines are connected together to form a large ground line. When the liquid crystal module 100 is working, the static electricity accumulated inside the liquid crystal module 100 can be discharged from the ground line connected to the circuit board 300 on the one hand, and can also be sequentially conducted from the exposed copper area 310 and the conductive connector 200 on the circuit board 300 to the conductive outer frame 400 on the other hand. The static electricity is then discharged from the conductive outer frame 400 to the outside, so that the static electricity is quickly discharged to avoid damage to the product caused by static electricity accumulation; thus, the liquid crystal module structure can achieve the technical effect of improving the anti-static performance.
[0041] Exemplarily, the liquid crystal module 100 includes a display panel internal circuit and a backlight circuit, and the display panel internal circuit and the backlight circuit are electrically connected to the connection circuit board respectively.
[0042] Exemplarily, the liquid crystal module 100 is mainly divided into a liquid crystal display screen and a backlight source assembly, wherein the internal circuit of the display panel is connected correspondingly to the liquid crystal display screen, and the backlight circuit is connected correspondingly to the backlight source assembly. The internal circuit of the display panel and the backlight circuit are connected respectively by connecting the circuit board, so that the liquid crystal module 100 can work normally.
[0043] Exemplarily, a grounding point is provided in the internal circuit of the display panel, and the grounding point is electrically connected to the copper exposed area.
[0044] For example, when the liquid crystal module 100 is working, the static electricity accumulated therein can be directly conducted to the exposed copper area through the grounding position of the internal circuit of the display panel, and then conducted from the exposed copper area to the conductive outer frame 400, thereby preventing the liquid crystal module 100 from being damaged by static electricity.
[0045] Exemplarily, the conductive connector 200 is a conductive foam, one end of the conductive foam is connected to the conductive outer frame 400 , and the other end of the conductive foam is connected to the copper exposed area 310 .
[0046] Exemplarily, the conductive connecting member 200 is a conductive cloth, one end of the conductive cloth is connected to the conductive outer frame 400 , and the other end of the conductive cloth is connected to the copper exposed area 310 .
[0047] Exemplarily, the conductive outer frame 400 is a metal outer frame.
[0048] In some embodiments, the exposed copper area 310 provided on the connection circuit board 300 may be determined according to the product structure and the circuit direction, and is not limited to a certain position;
[0049] The connection / pasting position of the conductive connector 200 (conductive cloth or conductive foam) is also determined according to the product structure and the line direction. One end is glued and connected to the exposed copper area 310, and the other end can be glued and connected to the outer surface of the conductive outer frame 400 or the inner side of the iron frame. It is only necessary to ensure that the conductive connector 200 and the conductive outer frame 400 are in contact and can be conductive.
[0050] Exemplarily, the liquid crystal module structure further includes a whole-machine driving board 500 , and the whole-machine driving board 500 is electrically connected to the connecting circuit board 300 .
[0051] Exemplarily, the liquid crystal module structure further includes a power supply 600 , and the power supply 600 is electrically connected to the whole machine driving board 500 .
[0052] Exemplarily, the liquid crystal module 100 is connected to the whole machine driving board 500 through the connecting circuit board 300, and the whole machine driving board 500 is connected to the power supply 600, so as to supply power to the liquid crystal module 100 and make the liquid crystal display screen of the liquid crystal module 100 light up and work.
[0053] Exemplarily, the connection circuit board 300 is a flexible circuit board.
[0054] For example, a flexible printed circuit board (FPC), also known as a "soft board", is a printed circuit made of a flexible insulating substrate. Flexible circuits provide excellent electrical properties, can meet the design needs of smaller and higher density installations, and also help reduce assembly processes and enhance reliability. Flexible circuit boards are one of the solutions to meet the requirements of miniaturization and mobility of electronic products. They can be bent, wound, and folded freely, can withstand millions of dynamic bends without damaging the wires, can be arranged arbitrarily according to spatial layout requirements, and can be moved and stretched arbitrarily in three-dimensional space, thereby achieving the integration of component assembly and wire connection; flexible circuit boards can greatly reduce the size and weight of electronic products, and are suitable for the development of electronic products towards high density, miniaturization, and high reliability.
[0055] Illustratively, an embodiment of the present application provides a liquid crystal display device, including: Figure 1 or Figure 2 The liquid crystal module structure shown.
[0056] In some embodiments, in combination Figure 1 and Figure 2 As shown, in the liquid crystal module structure provided in the embodiment of the present application, the liquid crystal module 100 is connected to the whole machine driving board 500 through the connecting circuit board 300, and the whole machine driving board 500 is connected to the power supply 600 to supply power to the liquid crystal module 100 and light up the screen;
[0057] The connecting circuit board 300 serves to connect the internal circuit of the display panel with the backlight circuit, as well as the external circuits such as the whole machine driving board 500 in the liquid crystal module 100; the position of the exposed copper area 310 is reserved in the design of the connecting circuit board 300, and when designing the connecting pins of the connecting circuit board 300, the grounding pin position 320 and the grounding position of the internal circuit of the display panel are connected to the exposed copper area 310 through a lead, so that the exposed copper area 310, the grounding pin position 320 and the grounding position of the internal circuit of the display panel are connected together to form a large grounding circuit, and then connected to the exposed copper area 310 through conductive connectors. The copper area 310 and the conductive outer frame 400 form a grounding loop by connecting the grounding area of the circuit board 300 and the conductive outer frame 400. When the liquid crystal module 100 is in the working state, the static electricity accumulated inside the liquid crystal module 100 can be discharged from the grounding pin position 320 connected to the circuit board 300, and can also be discharged from the copper exposed area 310 connected to the circuit board 300 through the conductive connector 200 to the conductive outer frame 400, and then discharged from the conductive outer frame 400 to the outside, so that the static electricity can be quickly discharged and cannot accumulate to damage the product; therefore, the liquid crystal module structure provided by the embodiment of the present application includes at least the following beneficial effects:
[0058] 1. It is equivalent to adding a grounding loop, which can conduct away static electricity more quickly to prevent static electricity from accumulating and failing to be conducted away in time, thus damaging the product;
[0059] 2. Effectively improve the reliability of the product without the need to use more expensive antistatic materials.
[0060] In all the embodiments of the present application, "big" and "small" are relative, "more" and "less" are relative, and "up" and "down" are relative. The expressions of such relative terms are not elaborated in the embodiments of the present application.
[0061] It should be understood that the "in this embodiment", "in the embodiment of the present application" or "as an optional implementation" mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, "in this embodiment", "in the embodiment of the present application" or "as an optional implementation" appearing throughout the specification does not necessarily refer to the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner. Those skilled in the art should also be aware that the embodiments described in the specification are all optional embodiments, and the actions and modules involved are not necessarily required for the present application.
[0062] In the various embodiments of the present application, it should be understood that the size of the serial numbers of the above-mentioned processes does not necessarily mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.
[0063] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.
Claims
1. A liquid crystal module structure, characterized in that: It includes a liquid crystal module, a conductive connecting piece, a connecting circuit board and a conductive outer frame; The liquid crystal module is matched and mounted on the conductive outer frame; The connecting circuit board is electrically connected to the liquid crystal module, the connecting circuit board is provided with a copper exposed area, the connecting circuit board is provided with a grounding pin position, the grounding pin position of the connecting circuit board is electrically connected to the copper exposed area, and the copper exposed area is electrically connected to the conductive outer frame through the conductive connecting member.
2. The liquid crystal module structure according to claim 1, characterized in that: The liquid crystal module comprises an internal circuit of a display panel and a backlight circuit, and the internal circuit of the display panel and the backlight circuit are electrically connected to the connection circuit board respectively.
3. The liquid crystal module structure according to claim 2, characterized in that: The internal circuit of the display panel is provided with a grounding point, and the grounding point is electrically connected to the copper exposed area.
4. The liquid crystal module structure according to claim 1, characterized in that: The conductive connecting member is a conductive foam, one end of the conductive foam is connected to the conductive outer frame, and the other end of the conductive foam is connected to the copper exposed area.
5. The liquid crystal module structure according to claim 1, characterized in that: The conductive connecting member is a conductive cloth, one end of the conductive cloth is connected to the conductive outer frame, and the other end of the conductive cloth is connected to the copper exposed area.
6. The liquid crystal module structure according to any one of claim 4 or claim 5, characterized in that: The conductive outer frame is a metal outer frame.
7. The liquid crystal module structure according to claim 1, characterized in that: The liquid crystal module structure further includes a whole machine driving board, and the whole machine driving board is electrically connected to the connecting circuit board.
8. The liquid crystal module structure according to claim 7, characterized in that: The liquid crystal module structure also includes a power supply, and the power supply is electrically connected to the whole machine driving board.
9. The liquid crystal module structure according to claim 1, characterized in that: The connecting circuit board is a flexible circuit board.
10. A liquid crystal display device, characterized in that: It comprises a liquid crystal module structure as described in any one of claims 1 to 9.