CN220020025U

CN220020025U - Liquid crystal display module capable of preventing silicone oil pollution

Info

Publication number: CN220020025U
Application number: CN202320713739.1U
Authority: CN
Inventors: 章小和; 樊劼; 刘雪白; 刘少模
Original assignee: Xinli Photoelectric Renshou Co Ltd
Current assignee: Xinli Photoelectric Renshou Co Ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-11-14
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses a liquid crystal display module capable of preventing silicone oil pollution, which comprises a lower polaroid, an array substrate, a color film substrate, an upper polaroid and a cover plate, wherein the array substrate is arranged above the lower polaroid; the color film substrate is arranged above the array substrate, the array substrate and the color film substrate are staggered to form steps, silicone adhesive is coated on the upper surface of the array substrate, and the silicone adhesive is positioned at the steps; the upper polaroid is arranged above the color film substrate; the cover plate is arranged above the upper polaroid, the upper polaroid is fully attached to the cover plate through optical cement, a PET (polyethylene terephthalate) sheet is attached to the lower surface of the cover plate, the position of the PET sheet corresponds to that of the silicone cement, and the silicone cement extends to the lower surface of the PET sheet.

Description

Liquid crystal display module capable of preventing silicone oil pollution

Technical Field

The utility model relates to the technical field of liquid crystal display, in particular to a liquid crystal display module capable of preventing silicone oil pollution.

Background

The traditional liquid crystal display module generally comprises an array substrate and a color film substrate which are staggered with each other, a step is formed on the array substrate, the step is made of single-layer glass, and in order to improve the strength of the single-layer glass, silicone adhesive is coated on a single-layer area of the array substrate before full lamination, so that the liquid crystal display module can be subjected to drop experiments, and the reliability of the liquid crystal display module is improved. Generally, the lower surface of the cover plate is polluted by silicone oil released by silicone adhesive, so that the lower surface is degummed and the stability is poor. The existing practice is to extend the apron here downward a part to make the silicon oil only pollute the part that extends, can not influence the apron lower surface, and then prevent that the silicon oil from polluting. The structure needs to be opened again, the die is high in cost, and the extension part cannot be replaced even if the extension part is abnormal when the service time is long, so that later maintenance and replacement are difficult, the whole cover plate can be scrapped generally, the maintenance cost is high, the product competitiveness of the liquid crystal display module is reduced, and the ever-increasing quality requirements of enterprises cannot be met.

Disclosure of Invention

The utility model aims to solve the technical problems of preventing the liquid crystal display module from being polluted by silicone oil, reducing the manufacturing cost of the liquid crystal display module and improving the convenience of later maintenance and replacement.

The technical problems to be solved by the utility model are realized by the following technical scheme:

in order to solve the technical problems, the utility model provides a liquid crystal display module capable of preventing silicone oil pollution, which comprises a lower polaroid, an array substrate, a color film substrate, an upper polaroid and a cover plate, wherein the array substrate is arranged above the lower polaroid; the color film substrate is arranged above the array substrate, the array substrate and the color film substrate are staggered to form steps, silicone adhesive is coated on the upper surface of the array substrate, and the silicone adhesive is positioned at the steps; the upper polaroid is arranged above the color film substrate; the cover plate is arranged above the upper polaroid, the upper polaroid is fully attached to the cover plate through optical cement, a PET (polyethylene terephthalate) sheet is attached to the lower surface of the cover plate, the position of the PET sheet corresponds to that of the silicone cement, and the silicone cement extends to the lower surface of the PET sheet.

As a preferred implementation mode of the liquid crystal display module capable of preventing silicone oil pollution, the liquid crystal display module further comprises a rubber frame used for bearing the lower polaroid, the color film substrate, the array substrate, the upper polaroid and the cover plate, wherein the edge of the rubber frame extends upwards to form a side wall, at least two buckles are arranged on the side wall, and the buckles buckle the step.

As a preferred implementation mode of the liquid crystal display module capable of preventing silicone oil pollution, a gasket is further arranged between the lower polarizer and the rubber frame.

As an optimal implementation mode of the liquid crystal display module capable of preventing silicone oil pollution, the upper surface of the gasket is coated with weak-viscosity glue, and the lower surface of the gasket is coated with strong-viscosity glue.

As a preferred embodiment of the liquid crystal display module capable of preventing silicone oil pollution, the weak-viscosity glue and the strong-viscosity glue have the same glue viscosity, the glue coating shape of the weak-viscosity glue is in a grid shape, and the glue coating shape of the strong-viscosity glue is in a complete coating shape.

As a preferred implementation mode of the liquid crystal display module capable of preventing silicone oil pollution, provided by the utility model, the lower surface of the gasket is also provided with the identification layer, and the Jiang Nianxing glue is arranged on the lower surface of the identification layer.

As an optimal implementation mode of the liquid crystal display module capable of preventing silicone oil pollution, the upper surface of the cover plate is provided with a plurality of grooves through etching, a plastic layer is covered above the cover plate, and the plastic layer is embedded into the grooves.

As a preferred implementation mode of the liquid crystal display module capable of preventing silicone oil pollution, the groove is a closing groove with a narrow outside and a wide inside.

As a preferred implementation mode of the liquid crystal display module capable of preventing silicone oil pollution, the inner surface of the groove is provided with a surface treatment layer for improving surface roughness.

As an optimal implementation mode of the liquid crystal display module capable of preventing silicone oil pollution, the upper surface of the plastic layer is provided with an anti-fingerprint coating.

The utility model has the following beneficial effects:

because the lower surface of apron is pasted there is the PET piece, and the position of PET piece corresponds with the position of silicone adhesive, the silicone adhesive extends to the lower surface of PET piece, thereby through PET piece and silicone adhesive direct contact, avoid the lower surface of silicone oil pollution apron, and then avoid the condition of coming unstuck to produce, and the PET piece can directly purchase, low price, the sexual valence relative altitude, need to open the mould again to the apron mould, reduce mould transformation cost, the PET piece is unusual also can be changed when the live time is longer, make later maintenance and change simpler, need not to scrap whole apron, make maintenance cost reduce, thereby the product competitiveness of liquid crystal display module is improved, with this ever-increasing quality requirement that satisfies the enterprise.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a liquid crystal display module capable of preventing silicone oil pollution.

Fig. 2 is a schematic structural diagram of embodiment 2.

Fig. 3 is a schematic view of a modified structure of the gasket of fig. 2.

Fig. 4 is a schematic structural diagram of embodiment 3.

Fig. 5 is an exploded view of fig. 4.

Fig. 6 is a schematic diagram of a modified structure of the cover plate.

Fig. 7 is a schematic diagram of the improved structure of fig. 4.

Reference numerals illustrate:

a lower polarizer 1; an array substrate 2; a color film substrate 3; a top polarizer 4; a cover plate 5; silicone adhesive 6; a PET sheet 7;

a rubber frame 8; a side wall 81; a clasp 82; a spacer 9; weak tack glue 91; strong adhesive glue 92;

a groove 51; a plastic layer 10; an anti-fingerprint coating 11.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

The utility model provides a liquid crystal display module capable of preventing silicone oil pollution, which comprises a lower polaroid, an array substrate, a color film substrate, an upper polaroid and a cover plate, wherein the array substrate is arranged above the lower polaroid; the color film substrate is arranged above the array substrate, the array substrate and the color film substrate are staggered to form steps, silicone adhesive is coated on the upper surface of the array substrate, and the silicone adhesive is positioned at the steps; the upper polaroid is arranged above the color film substrate; the cover plate is arranged above the upper polaroid, the upper polaroid is fully attached to the cover plate through optical cement, a PET (polyethylene terephthalate) sheet is attached to the lower surface of the cover plate, the position of the PET sheet corresponds to that of the silicone cement, and the silicone cement extends to the lower surface of the PET sheet.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings. The present utility model is described in detail below with reference to the drawings and the embodiments, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Example 1

Referring to fig. 1, the utility model provides a liquid crystal display module capable of preventing silicone oil pollution, which comprises a lower polarizer 1, an array substrate 2, a color film substrate 3, an upper polarizer 4 and a cover plate 5, which are sequentially stacked from bottom to top. Namely, the array substrate 2 is arranged above the lower polaroid 1; the color film substrate 3 is arranged above the array substrate 2, the array substrate 2 is longer than the color film substrate 3, the array substrate 2 and the color film substrate 3 are staggered to form steps, silicone adhesive 6 is coated on the upper surface of the array substrate 2, and the silicone adhesive 6 is positioned at the steps; the upper polaroid 4 is arranged above the color film substrate 3; the cover plate 5 is arranged above the upper polaroid 4, the upper polaroid 4 is fully attached to the cover plate 5 through optical cement, a PET sheet 7 is attached to the lower surface of the cover plate 5, the position of the PET sheet 7 corresponds to that of the silicone cement 6, and the silicone cement 6 extends to the lower surface of the PET sheet 7, so that the silicone cement 6 is prevented from being directly abutted to the lower surface of the cover plate 5.

Further, the material of the PET sheet 7 may be selected to be easily absorbable by silicone oil, so that the released silicone oil may be absorbed by the PET sheet 7, thereby further avoiding contamination of the lower surface of the cover plate 5 with silicone oil, and other parts. More preferably, a layer of oil blocking layer can be arranged on the upper surface of the PET sheet 7, so that the silicone oil is blocked below the oil blocking layer, and the PET sheet 7 is prevented from absorbing enough silicone oil and then releasing to the lower surface of the cover plate 5.

Example 2

Referring to fig. 2, as a further optimization scheme of embodiment 1, in this embodiment, the liquid crystal display device further includes a frame 8 for carrying the lower polarizer 1, the color film substrate 3, the array substrate 2, the upper polarizer 4 and the cover plate 5, wherein a side wall 81 extends upward from an edge of the frame 8, and at least two buckles 82 are provided on the side wall 81, and the buckles 82 buckle the steps to prevent the liquid crystal display module from being separated. In this embodiment, four buckles 82 symmetrical in pairs are used, but not limited thereto, and in other embodiments, only two buckles 82 may be used, but the stability is inferior to that of the four buckles 82 in this embodiment. The color film substrate 3 is above the array substrate 2, and the step buckled by the buckle 82 is a staggered position of the upper surface of the array substrate 2 and the color film substrate 3. The array substrate 2 includes a circuit area and a non-circuit area, and the fastening position of the fastener 82 in this embodiment is preferably the non-circuit area, so as to prevent the circuit of the array substrate 2 from being affected. The liquid crystal display module provided by the utility model has the advantages of simple structure, mature process and low cost, can be firmly fixed on the rubber frame 8, can be assembled by pressing down the liquid crystal display module, is time-saving and labor-saving, has high assembly efficiency, and can effectively improve the production efficiency.

Further, a gasket 9 is further arranged between the lower polarizer 1 and the rubber frame 8, foam or sponge rubber can be selected as the gasket 9, the embodiment is preferably foam, the foam not only can play a role in dust prevention between the liquid crystal display module and the rubber frame 8, but also can guarantee a buffering role in the assembly process of the liquid crystal display module. In other embodiments, the sponge rubber can not only play the role, but also firmly adhere the liquid crystal display module to further prevent the liquid crystal display module from being separated. More preferably, the thickness delta of the gasket 9 is more than or equal to 0.3mm, so that the gasket 9 has enough thickness to elastically deform while the liquid crystal display module plays a role in buffering, the elastic force generated by the elastic deformation can apply a certain pressure to the liquid crystal display module to ensure that the liquid crystal display module can be clamped more firmly by the buckle 82, the gasket 9 has small elastic force when the thickness delta is too small, and cannot generate enough pressure to the liquid crystal display module, so that the gasket is easy to fall off.

Referring to fig. 3, further, the upper surface of the spacer 9 is coated with a weak adhesive glue 91, the lower surface of the spacer 9 is coated with a strong adhesive glue 92, the lcd module is attached to the upper surface of the spacer 9, the frame 8 is attached to the lower surface of the spacer 9, the spacer 9 not only has the functions of buffering and dust prevention, but also prevents the upper surface of the spacer 9 from pulling the lower polarizer 1 in the lcd module to avoid MURA due to the weak adhesive glue 91 coated on the upper surface of the spacer 9, thereby preventing the lower polarizer 1 from being deformed; meanwhile, the number of layers of the gasket 9 is small, and the gasket 9 can be prevented from falling off, so that the liquid crystal display module is prevented from falling off.

Further, the glue viscosities of the weak adhesive glue 91 and the strong adhesive glue 92 are the same, the glue coating shape of the weak adhesive glue 91 is a grid shape, and the glue coating shape of the strong adhesive glue 92 is a complete coating. Because the glue viscosity of the weak-viscosity glue 91 is the same as that of the strong-viscosity glue 92, only one glue can be purchased, so that the purchasing quantity of the glue becomes large, further the purchasing cost is reduced, meanwhile, the glue cannot be mixed in the gluing process, the production efficiency is improved, the problem of wrong glue use is avoided, the coating shape of the weak-viscosity glue 91 is in a grid shape, the glue area of the weak-viscosity glue 91 is reduced, and the viscosity of the weak-viscosity glue 91 is reduced.

Further, the lower surface of the gasket 9 is further provided with an identification layer, and the strong adhesive glue 92 is arranged on the lower surface of the identification layer, so that the fool-proof effect can be achieved due to the fact that the identification layer is arranged for identification.

Example 3

Referring to fig. 4 and 5, as a further optimization scheme of embodiment 1, in this embodiment, a plurality of grooves 51 are formed on the upper surface of the cover plate 5 by etching, a plastic layer 10 is covered on the cover plate 5, and the plastic layer 10 is embedded into the plurality of grooves 51. Since the plastic layer 10 is covered above the cover plate 5, and the plurality of grooves 51 are formed on the upper surface of the cover plate 5 by etching, and the plastic layer 10 can be embedded into the plurality of grooves 51, the grooves 51 formed by etching have a certain roughness on the inner surface of the grooves 51, and the surface of the grooves 51 with a certain roughness can promote the adhesion between the grooves 51 and the plastic layer 10, thereby reducing the possibility of separating the grooves 51 from the plastic layer 10. When the liquid crystal display module collides or falls, the plastic layer 10 on the upper surface of the cover plate 5 can directly bear the action of external force, so that the external force can be prevented from directly acting on the cover plate 5, and as the plastic layer 10 can absorb most of energy, the rest external force acts on the cover plate 5 very weakly, so that the risk of cracking or damaging the cover plate 5 can be effectively reduced; and when the liquid crystal display module receives the action of external force, even if the action of external force is larger, the plastic layer 10 on the upper surface of the cover plate 5 can be damaged, and the cover plate 5 can not be directly damaged, so that the liquid crystal display module can be prevented from being damaged, and can not be normally used, better use experience is brought to a user, and the anti-falling capability of the liquid crystal display module is improved.

Referring to fig. 6, further, the shape of the groove 51 may be square or circular, the cross-sectional shape of the groove 51 may be a narrow-outside-and-wide-inside-opening slot, in this embodiment, the cross-sectional shape of the groove 51 is isosceles trapezoid, and the groove 51 is long, the isosceles trapezoid-shaped groove 51 may enable the plastic layer 10 to be tightly embedded into the groove 51, so as to avoid separation of the groove 51 and the plastic layer 10, and thus prevent the cover plate 5 from falling off from the plastic layer 10, and the long groove 51 may increase the bonding portion between the plastic layer 10 and the groove 51, thereby improving the bonding strength between the groove 51 and the plastic layer 10.

Further, a surface treatment layer for improving the surface roughness is provided on the inner surface of the groove 51, so as to further improve the bonding capability of the groove 51 and the plastic layer 10 and prevent the cover plate 5 from being separated from the plastic layer 10.

Referring to fig. 7, further, an anti-fingerprint coating 11 is disposed on the upper surface of the plastic layer 10, so that a user can avoid fingerprint residue on the surface of the plastic layer 10 during use, thereby improving the aesthetic feeling of the liquid crystal display module and the competitiveness of the product.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims

1. The utility model provides a prevent liquid crystal display module assembly that silicone oil pollutes which characterized in that, it includes:

a lower polarizer (1);

an array substrate (2) arranged above the lower polarizer (1);

the color film substrate (3) is arranged above the array substrate (2), the array substrate (2) and the color film substrate (3) are staggered to form steps, silicone adhesive (6) is coated on the upper surface of the array substrate (2), and the silicone adhesive (6) is positioned at the steps;

an upper polaroid (4) arranged above the color film substrate (3);

the cover plate (5) is arranged above the upper polaroid (4), the upper polaroid (4) is fully attached to the cover plate (5) through optical cement, a PET (polyethylene terephthalate) sheet (7) is attached to the lower surface of the cover plate (5), the position of the PET sheet (7) corresponds to the position of the silicone cement (6), and the silicone cement (6) extends to the lower surface of the PET sheet (7).

2. The liquid crystal display module capable of preventing silicone oil pollution according to claim 1, further comprising a rubber frame (8) for bearing the lower polarizer (1), the color film substrate (3), the array substrate (2), the upper polarizer (4) and the cover plate (5), wherein a side wall (81) extends upwards from the edge of the rubber frame (8), at least two buckles (82) are arranged on the side wall (81), and the buckles (82) buckle the step.

3. The liquid crystal display module set for preventing silicone oil pollution according to claim 2, wherein a gasket (9) is further arranged between the lower polarizer (1) and the rubber frame (8).

4. A liquid crystal display module set against silicone oil contamination according to claim 3, wherein the upper surface of the gasket (9) is coated with a weak adhesive glue (91), and the lower surface of the gasket (9) is coated with a strong adhesive glue (92).

5. The liquid crystal display module set for preventing silicone oil contamination according to claim 4, wherein the glue viscosity of the weak-viscosity glue (91) and the glue viscosity of the Jiang Nianxing glue (92) are the same, the glue coating shape of the weak-viscosity glue (91) is a grid shape, and the glue coating shape of the Jiang Nianxing glue (92) is a full coating.

6. The liquid crystal display module set for preventing silicone oil pollution according to claim 4, wherein an identification layer is further provided on the lower surface of the gasket (9), and the Jiang Nianxing glue (92) is provided on the lower surface of the identification layer.

7. The liquid crystal display module capable of preventing silicone oil pollution according to claim 1, wherein a plurality of grooves (51) are formed on the upper surface of the cover plate (5) through etching, a plastic layer (10) is covered on the cover plate (5), and the plastic layer (10) is embedded into the grooves (51).

8. The liquid crystal display module set for preventing silicone oil pollution according to claim 7, wherein the groove (51) is a closing groove with a narrow outside and a wide inside.

9. The liquid crystal display module set against silicone oil contamination according to claim 7, wherein the inner surface of the groove (51) is provided with a surface treatment layer that promotes surface roughness.

10. The liquid crystal display module set for preventing silicone oil pollution according to claim 7, wherein the upper surface of the plastic layer (10) is provided with an anti-fingerprint coating (11).