Liquid crystal display screen capable of preventing label paper traceability code from peeling off

Abstract

The utility model discloses a liquid crystal display screen capable of preventing label paper traceability codes from stripping, which comprises a backlight module and a display module, the display module is arranged above the backlight module, a circuit board is arranged on the backlight module and / or the display module, traceability label paper is adhered on the surface of the circuit board, and the traceability label paper is arranged on the backlight module and / or the display module. The surface of the circuit board is provided with shielding paper, the shielding paper covers the surface of the circuit board and the tracing label paper, the shielding paper comprises a shielding layer, a glue layer and a non-viscous layer which are sequentially overlapped from top to bottom, and the size and position of the non-viscous layer correspond to the size and position of the tracing label paper. The non-viscous layer covers the traceability label paper, and the glue layer covers the surface of the circuit board. The viscidity of the shielding paper is isolated from the traceability label paper, so that the problem that the traceability code on the traceability label paper is easy to peel off due to the viscidity of the shielding paper during reworking can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display, and more specifically to a liquid crystal display screen which can prevent a label paper traceability code from peeling off. Background Art

[0002] In order to achieve the traceability of product accessories, a label paper with a traceability code printed on it is affixed to the circuit board of the LCD screen. In order to ensure the anti-interference performance of the product, a shielding paper is usually covered on the circuit board. This shielding paper is usually made of materials with shielding performance, such as aluminum foil or conductive cloth, and its bottom is usually highly sticky to ensure that it is not easy to fall off or warp after being attached. However, after this stickiness is covered on the label paper, when the product needs to be reworked and the shielding paper needs to be peeled off, the traceability code on the label paper will be carried away by the stickiness, resulting in the problem that the traceability code of the accessory cannot be identified after peeling off. Utility Model Content

[0003] The technical problem to be solved by the utility model is how to prevent the traceability code on the label paper from being peeled off.

[0004] The technical problem to be solved by the utility model is achieved through the following technical solutions:

[0005] In order to solve the above technical problems, the utility model provides a liquid crystal display screen that prevents the traceability code of a label paper from peeling off, and includes a backlight module and a display module. The display module is arranged above the backlight module, and a circuit board is arranged on the backlight module and / or the display module. A traceability label paper is pasted on the surface of the circuit board, and a shielding paper is arranged on the surface of the circuit board. The shielding paper covers the surface of the circuit board and the traceability label paper. The shielding paper includes a shielding layer, a glue layer and a non-sticky layer stacked in sequence from top to bottom, and the size and position of the non-sticky layer correspond to the size and position of the traceability label paper, the non-sticky layer covers the traceability label paper, and the glue layer covers the surface of the circuit board.

[0006] As a preferred implementation of the liquid crystal display screen for preventing the label paper traceability code from peeling off provided by the utility model, the thickness of the non-adhesive layer is 0.03mm-0.06mm.

[0007] As a preferred implementation of the liquid crystal display screen for preventing the label paper traceability code from peeling off provided by the utility model, the edge of the non-adhesive layer exceeds the edge of the traceability label paper by 1.5 mm to 3 mm.

[0008] As a preferred implementation of the liquid crystal display screen for preventing the label paper traceability code from peeling off provided by the utility model, the non-adhesive layer and the shielding layer have different appearance colors.

[0009] As a preferred embodiment of the liquid crystal display screen for preventing the label paper traceability code from peeling off provided by the utility model, the circuit board includes a main body, a reinforcement plate and a connector, the reinforcement plate is fixed to the upper surface of the main body, both ends of the reinforcement plate have fixed parts extending outward, the two fixed parts both exceed the edge of the main body, the lower surfaces of the two fixed parts are fixed with a first strong magnetic block, the connector is arranged below the main body, and two second strong magnetic blocks corresponding to the two first strong magnetic blocks are fixed on the connector.

[0010] As a preferred implementation of the liquid crystal display screen for preventing the label paper traceability code from peeling off provided by the utility model, two grooves are provided on the connector, and the two second strong magnetic blocks are respectively fixed in the two grooves.

[0011] As a preferred implementation of the liquid crystal display screen for preventing the label paper traceability code from peeling off provided by the utility model, the edge of the groove is provided with a chamfer.

[0012] As a preferred embodiment of the LCD display screen for preventing the label paper traceability code from peeling off provided by the utility model, the outer dimensions of the second strong magnetic block are larger than the outer dimensions of the first strong magnetic block, and the outer dimensions of the groove correspond to the outer dimensions of the first strong magnetic block and the second strong magnetic block.

[0013] As a preferred implementation of the liquid crystal display screen for preventing the label paper traceability code from peeling off provided by the utility model, the depth of the groove is equal to the sum of the thickness of the first strong magnetic block and the second strong magnetic block.

[0014] As a preferred implementation of the liquid crystal display screen for preventing the label paper traceability code from peeling off provided by the utility model, the materials of the first strong magnetic block and the second strong magnetic block are both neodymium iron boron strong magnets.

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

[0016] Since the bottom layer of the shielding paper is provided with a non-sticky layer, and the non-sticky layer covers the traceability label paper, and the glue layer covers other areas on the surface of the circuit board, that is, by adding a non-sticky non-sticky layer in the corresponding area of ​​the traceability label paper, the stickiness of the shielding paper is isolated from the traceability label paper, which can avoid the problem of easy peeling of the traceability code on the traceability label paper due to the stickiness of the shielding paper during rework, thereby improving the traceability of product accessories. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the scheme in the present application, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 The utility model provides a structural schematic diagram of a liquid crystal display screen for preventing the label paper traceability code from peeling off.

[0019] Figure 2 for Figure 1 Schematic diagram of the structure after hiding the shielding paper.

[0020] Figure 3 This is a bottom view of the shielding paper.

[0021] Figure 4 Schematic diagram of the stacked structure of shielding paper.

[0022] Figure 5 for Figure 1 Schematic diagram of the improved structure of FPC.

[0023] Description of Figure Numbers:

[0024] Display module 1; circuit board 2; traceability label paper 3; shielding paper 4; shielding layer 41; glue layer 42; non-adhesive layer 43;

[0025] The main body 21 ; the reinforcing plate 22 ; the connector 23 ; the fixing portion 24 ; the first strong magnetic block 25 ; the second strong magnetic block 26 ; and the groove 27 . DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and "third" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0029] The utility model provides a liquid crystal display screen for preventing the peeling of a traceability code of a label paper, comprising a backlight module and a display module, wherein the display module is arranged above the backlight module, a circuit board is arranged on the backlight module and / or the display module, a traceability label paper is pasted on the surface of the circuit board, a shielding paper is arranged on the surface of the circuit board, the shielding paper covers the surface of the circuit board and the traceability label paper, the shielding paper comprises a shielding layer, a glue layer and a non-sticky layer which are sequentially stacked and arranged from top to bottom, the size and position of the non-sticky layer correspond to the size and position of the traceability label paper, the non-sticky layer covers the traceability label paper, and the glue layer covers the surface of the circuit board.

[0030] Since the bottom layer of the shielding paper is provided with a non-sticky layer, and the non-sticky layer covers the traceability label paper, and the glue layer covers other areas on the surface of the circuit board, that is, by adding a non-sticky non-sticky layer in the corresponding area of ​​the traceability label paper, the stickiness of the shielding paper is isolated from the traceability label paper, which can avoid the problem of easy peeling of the traceability code on the traceability label paper due to the stickiness of the shielding paper during rework, thereby improving the traceability of product accessories.

[0031] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings. The present invention is described in detail below in conjunction with the accompanying drawings and embodiments, and 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 with 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 limitations on the present invention.

[0032] Example 1

[0033] See also Figures 1 to 4 , a liquid crystal display screen for preventing the label paper traceability code from peeling off provided by the utility model, comprising a backlight module and a display module 1, wherein the display module 1 is arranged above the backlight module, a circuit board 2 is arranged on the backlight module or the display module 1, or a circuit board 2 is arranged on both the backlight module and the display module 1, a traceability label paper 3 is pasted on the surface of the circuit board 2, a shielding paper 4 is arranged on the surface of the circuit board 2, the shielding paper 4 covers the surface of the circuit board 2 and the traceability label paper 3, the shielding paper 4 comprises a shielding layer 41, a glue layer 42 and a non-sticky layer 43 which are sequentially stacked from top to bottom, the size and position of the non-sticky layer 43 correspond to the size and position of the traceability label paper 3, the non-sticky layer 43 covers the traceability label paper 3, and the glue layer 42 covers the surface of the circuit board 2. Since the bottom layer of the shielding paper 4 is provided with a non-sticky layer 43, and the non-sticky layer 43 covers the traceability label paper 3, and the glue layer 42 covers other areas on the surface of the circuit board 2, that is, by adding a non-sticky non-sticky layer 43 in the corresponding area of ​​the traceability label paper 3, the stickiness of the shielding paper 4 is isolated from the traceability label paper 3, which can avoid the problem of easy peeling of the traceability code on the traceability label paper 3 caused by the stickiness of the shielding paper 4 during rework, thereby improving the traceability of product accessories.

[0034] Furthermore, the thickness of the non-adhesive layer 43 is 0.03mm-0.06mm. The edge of the non-adhesive layer 43 exceeds the edge of the traceability label paper 3 by 1.5mm to 3mm, so as to ensure that the non-adhesive layer 43 can still completely cover the traceability label paper 3 in the case of a deviation in affixing. In addition, the appearance color of the non-adhesive layer 43 and the shielding layer 41 are different, so that the naked eye can easily distinguish whether the non-adhesive layer 43 has a problem of missing affixation, thereby ensuring the consistency of the product.

[0035] Example 2

[0036] See also Figure 5As a further optimization scheme of Example 1, in this embodiment, the circuit board 2 includes a main body 21, a reinforcement plate 22 and a connector 23. The reinforcement plate 22 is fixed to the upper surface of the main body 21. Both ends of the reinforcement plate 22 have fixed parts 24 extending outward. The two fixed parts 24 are beyond the edge of the main body 21. The lower surfaces of the two fixed parts 24 are fixed with first strong magnetic blocks 25; the connector 23 is arranged below the main body 21, and two second strong magnetic blocks 26 corresponding to the two first strong magnetic blocks 25 are fixed on the connector 23. Since the upper surface of the body 21 is fixed with a reinforcing plate 22, both ends of the reinforcing plate 22 are fixed with first strong magnetic blocks 25, and the connector 23 is fixed with two second strong magnetic blocks 26 corresponding to the two first strong magnetic blocks 25, when the body 21 and the connector 23 are installed, as long as the two ends of the body 21 are close to the connector 23, the first strong magnetic blocks 25 at both ends of the body 21 and the second strong magnetic blocks 26 at both ends of the connector 23 will attract each other and be fixed, and the body 21 and the connector 23 can be automatically aligned and tightly connected. This assembly structure of the circuit board 2 has few assembly steps, and only needs The assembly can be achieved by bringing the main body 21 and the connector 23 close together, the assembly efficiency of the circuit board 2 can be greatly improved, and the automatic assembly of the circuit board 2 and the connector 23 can be easily realized. The fewer the assembly steps, the lower the probability of defective circuit board 2 during assembly, thereby avoiding the situation where the products assembled with it cannot work normally due to poor assembly, thereby avoiding abnormal operation of the product, reducing the defective rate of the product, and greatly reducing the production and manufacturing costs of the circuit board 2, thereby improving the product competitiveness of the circuit board 2, thereby meeting the company's growing quality requirements.

[0037] Example 3

[0038] See also Figure 5 As a further optimization scheme of Example 1, in this embodiment, two grooves 27 are provided on the connector 23, and two second strong magnetic blocks 26 are respectively fixed in the two grooves 27, so that the fit between the body 21 and the connector 23 is more compact, and the reliability of assembly is improved, thereby greatly reducing the production and manufacturing costs of the circuit board 2, thereby improving the product competitiveness of the circuit board 2, so as to meet the company's growing quality requirements.

[0039] Furthermore, the edge of the groove 27 is provided with a chamfer, so that when the first strong magnetic block 25 is close to the second strong magnetic block 26, it can fall accurately into the groove 27 under the guidance of the chamfer, thereby improving the accuracy and reliability of assembly, thereby greatly reducing the production and manufacturing costs of the circuit board 2, and further improving the product competitiveness of the circuit board 2.

[0040] Furthermore, the outer dimensions of the second strong magnetic block 26 are larger than those of the first strong magnetic block 25, and the outer dimensions of the groove 27 correspond to those of the first strong magnetic block 25 and the second strong magnetic block 26, so that the second strong magnetic block 26 can be firmly fixed in the groove 27. Even if the suction force of the first strong magnetic block 25 is large, the second strong magnetic block 26 will not be sucked out, thereby improving the reliability of assembly, thereby greatly reducing the production and manufacturing costs of the circuit board 2, and further improving the product competitiveness of the circuit board 2, thereby meeting the company's growing quality requirements.

[0041] Furthermore, the depth of the groove 27 is equal to the sum of the thicknesses of the first strong magnetic block 25 and the second strong magnetic block 26, so that the assembly of the body 21 and the connector 23 can be smoothly fitted without leaving any gaps. More preferably, a buffer pad can be provided on the contact surface between the body 21 and the connector 23, and a buffer groove corresponding to the buffer pad is provided on the connector 23, so that the body 21 or the connector 23 can be cushioned during the fitting assembly to avoid damage to the body 21 or the connector 23. More preferably, the buffer pad is a rubber pad, which has good effect, low cost and high cost performance.

[0042] Furthermore, the materials of the first strong magnetic block 25 and the second strong magnetic block 26 are both NdFeB strong magnets, which have mature technology and high cost performance.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] Obviously, the embodiments described above are only some embodiments of the present application, rather than all embodiments. The preferred embodiments of the present application are given in the accompanying drawings, but they do not limit the patent scope of the present application. The present application can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to perform equivalent replacement of some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of this application, directly or indirectly used in other related technical fields, is similarly within the scope of patent protection of this application.

Claims

1. A liquid crystal display screen for preventing the label paper traceability code from peeling off, characterized in that: Its backlight module and display module, the display module is arranged above the backlight module, a circuit board is arranged on the backlight module and / or the display module, a traceability label paper is pasted on the surface of the circuit board, a shielding paper is arranged on the surface of the circuit board, the shielding paper covers the surface of the circuit board and the traceability label paper, the shielding paper includes a shielding layer, a glue layer and a non-sticky layer stacked in sequence from top to bottom, the size and position of the non-sticky layer correspond to the size and position of the traceability label paper, the non-sticky layer covers the traceability label paper, and the glue layer covers the surface of the circuit board.

2. The liquid crystal display screen for preventing the label paper traceability code from peeling off according to claim 1, characterized in that: The thickness of the non-adhesive layer is 0.03 mm to 0.06 mm.

3. The liquid crystal display screen for preventing the label paper traceability code from peeling off according to claim 1, characterized in that: The edge of the non-adhesive layer exceeds the edge of the traceability label paper by 1.5 mm to 3 mm.

4. The liquid crystal display screen for preventing the label paper traceability code from peeling off according to claim 1, characterized in that: The non-adhesive layer and the shielding layer have different appearance colors.

5. The liquid crystal display screen for preventing the label paper traceability code from peeling off according to claim 1, characterized in that: The circuit board includes a main body, a reinforcement plate and a connector. The reinforcement plate is fixed to the upper surface of the main body. Both ends of the reinforcement plate have fixed parts extending outward. The two fixed parts are beyond the edge of the main body. The lower surfaces of the two fixed parts are fixed with first strong magnetic blocks. The connector is arranged below the main body. Two second strong magnetic blocks corresponding to the two first strong magnetic blocks are fixed on the connector.

6. The liquid crystal display screen for preventing the label paper traceability code from peeling off according to claim 5, characterized in that: The connector is provided with two grooves, and the two second strong magnetic blocks are respectively fixed in the two grooves.

7. The liquid crystal display screen for preventing the label paper traceability code from peeling off according to claim 6, characterized in that: The edge of the groove is provided with a chamfer.

8. The liquid crystal display screen for preventing the label paper traceability code from peeling off according to claim 6, characterized in that: The outer dimensions of the second strong magnetic block are greater than those of the first strong magnetic block, and the outer dimensions of the groove correspond to those of the first strong magnetic block and the second strong magnetic block.

9. The liquid crystal display screen for preventing the label paper traceability code from peeling off according to claim 6, characterized in that: The depth of the groove is equal to the sum of the thicknesses of the first strong magnetic block and the second strong magnetic block.

10. The liquid crystal display screen for preventing the label paper traceability code from peeling off according to claim 5, characterized in that: The first strong magnetic block and the second strong magnetic block are both made of strong neodymium iron boron magnets.

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