CN219122541U - Liquid crystal display screen for vehicle-mounted special-shaped section code display screen - Google Patents

Abstract

The utility model discloses a liquid crystal display screen for a vehicle-mounted special-shaped segment code display screen, which does not need to realize the effect of color patterns after light rays are emitted by silk-screen printing of a color film pattern layer on an optical film layer of a backlight module, and in the manufacturers of the liquid crystal display screen, silk-screen printing of the color film pattern layer of a lower polarizer is generally conducted outside, COG (chip on glass) process and FOG (field on glass) process are generally conducted at the same part, the lower polarizer and the color film pattern layer silk-screened on the lower polarizer can be lightened and inspected before the COG process, then the lower polarizer with the color film pattern is attached to a liquid crystal screen body, and the FOG is required to be lightened before the FOG is attached to a cover plate, so that the liquid crystal display screen is lightened and electrically tested by a plurality of working procedures, each working procedure can conduct primary control on the quality of products, and therefore the risk that defective products finally flow into clients of automobile manufacturers is greatly reduced.

Description

Liquid crystal display screen for vehicle-mounted special-shaped section code display screen

Technical Field

The utility model relates to the technical field of liquid crystal display, in particular to a liquid crystal display for a vehicle-mounted special-shaped section code display.

Background

The structural shape requirement on the vehicle-mounted instrument panel of the automobile can show science and technology sense and stereoscopic sense, the requirements are attractive and elegant, and the automobile manufacturer needs to consider production cost while pursuing the rigidity requirements, so that the special-shaped broken code display screen is definitely the optimal choice of the automobile manufacturer, the vehicle-mounted special-shaped section code display screen has an irregular structure, and the production process can use semi-automatic equipment for lamination. Because the product is continuously upgraded, customers require that the patterns of the vehicle-mounted special-shaped section code display screen after display are more attractive, and the vehicle-mounted special-shaped section code display screen is weaker than the traditional TFT liquid crystal screen and relatively poor in compression resistance, therefore, a single color film with patterns is generally attached to the back of the main screen of the vehicle-mounted special-shaped section code display screen so as to achieve the effect of color patterns, the traditional single color film is attached to the lower polaroid of the FOG screen after the lower polaroid is attached to the liquid crystal screen body, and the manufacturing process has the advantages of adding one procedure, low production yield, easiness in quality problem in the attaching process and scrap repair of the small-proportion FOG screen. In addition, the color film pattern layer is silk-screened on the optical film layer of the backlight module, so that the color pattern effect is achieved after light rays are emitted, but in the manufacturers of the liquid crystal display, the silk-screened color film pattern layer on the optical film layer of the backlight module is generally produced outside through commission, the assembly and the electric measurement of the silk-screened optical film layer and other parts of the backlight module are also finished in the outside production, and then the assembled optical film layer and the assembled backlight module are assembled through the attaching piece, and then the lighting and the electric measurement are carried out.

Disclosure of Invention

The technical problem to be solved by the utility model is how to avoid the bad LCD screen with color film pattern defects from flowing into the client of the automobile manufacturer.

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 screen for a vehicle-mounted special-shaped segment code display screen, which comprises a liquid crystal screen body, an upper polaroid and a lower polaroid, wherein the upper polaroid is arranged above the liquid crystal screen body, the lower polaroid is arranged below the liquid crystal screen body, and a color film pattern layer is silk-screened on the lower surface of the lower polaroid.

As a preferred embodiment of the liquid crystal display screen for the vehicle-mounted special-shaped section code display screen, the thickness of the color film pattern layer is 0.012mm.

As a preferred implementation mode of the liquid crystal display screen for the vehicle-mounted special-shaped section code display screen, the liquid crystal display screen body comprises an upper substrate and a lower substrate arranged below the upper substrate, a liquid crystal layer is arranged between the upper substrate and the lower substrate, the upper polaroid is arranged above the upper substrate, and the lower polaroid is arranged below the lower substrate.

As a preferred implementation mode of the liquid crystal display screen for the vehicle-mounted special-shaped section code display screen, the lower substrate is longer than the upper substrate and extends outwards to form a step, a bulge is arranged at the edge of the upper surface of the lower substrate which extends outwards, a cover plate is arranged above the upper polarizer, buffer glue is arranged between the bulge and the upper substrate on the upper surface of the lower substrate, and the buffer glue is abutted with the cover plate.

As an optimal implementation mode of the liquid crystal display screen for the vehicle-mounted special-shaped section code display screen, the upper surface of the bulge is flush with the upper surface of the upper substrate.

As an optimal implementation mode of the liquid crystal display screen for the vehicle-mounted special-shaped section code display screen, a rounding angle is arranged between the bulge and the lower substrate.

As an optimal implementation mode of the liquid crystal display screen for the vehicle-mounted special-shaped section code display screen, the buffer glue is silicone glue.

As an optimal implementation mode of the liquid crystal display screen for the vehicle-mounted special-shaped section code display screen, the upper surface of the lower substrate and the side surfaces of the protrusions are rough surfaces.

As a preferred implementation mode of the liquid crystal display screen for the vehicle-mounted special-shaped section code display screen, the liquid crystal display screen further comprises a rubber frame which is arranged below the lower polaroid and used for bearing the upper substrate, the lower substrate, the upper polaroid and the lower polaroid, wherein the rubber frame comprises a frame body and a side wall which extends upwards from the edge of the frame body, at least two buckles are arranged on the side wall, and the steps are buckled by the buckles.

As an optimal implementation mode of the liquid crystal display screen for the vehicle-mounted special-shaped section code display screen, a gasket is arranged between the rubber frame and the lower polaroid.

The utility model has the following beneficial effects:

because the lower surface screen printing of lower polaroid has colored membrane pattern layer, after light passes through colored membrane pattern layer and jets out from the liquid crystal display, can satisfy the colored pattern effect of customer's requirement, it need not to paste the effect that a piece of colored membrane of taking the pattern reaches colored pattern at the main screen back, need not to increase a process, and the production yield is also higher, and the silk screen printing process is difficult to produce quality problem, improves the yields of product. The color film pattern layer is not required to be silk-screened on the optical film layer of the backlight module to achieve the effect of color patterns after light rays are emitted, in the manufacturers of the liquid crystal display, silk-screening of the color film pattern layer of the lower polaroid is generally carried out on the outside, the COG process and the FOG process are generally carried out on the parts, the lower polaroid and the color film pattern layer silk-screened on the lower polaroid can be lightened and checked before the COG process, then the lower polaroid with the color film patterns is attached to the liquid crystal display body, the FOG is required to be lightened before the FOG is attached to the cover plate, so that the liquid crystal display is lightened and electrically tested by a plurality of working procedures, each working procedure can be used for carrying out one-time closing on the product quality, and therefore, the risk that the defective products finally flow into the clients of the manufacturers of the automobile is greatly reduced.

Drawings

For a clearer description of the solution in the present application, a brief description will be given below of the drawings that are needed in the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present application, 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 screen for a vehicle-mounted special-shaped section code display screen.

Fig. 2 is a bottom view of fig. 1.

Fig. 3 is a schematic structural diagram of embodiment 2.

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

Reference numerals illustrate:

a liquid crystal screen body 1; a top polarizer 2; a lower polarizer 3; a color film pattern layer 4; an upper substrate 5; a lower substrate 6; a protrusion 61; buffer glue 62; a cover plate 7; a rubber frame 8; a frame 81; a sidewall 82; a clasp 83; a spacer 9.

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 screen for a vehicle-mounted special-shaped section code display screen, which comprises a liquid crystal screen body, an upper polaroid and a lower polaroid, wherein the upper polaroid is arranged above the liquid crystal screen body, the lower polaroid is arranged below the liquid crystal screen body, and a color film pattern layer is silk-screened on the lower surface of the lower polaroid.

Because the lower surface screen printing of lower polaroid has colored membrane pattern layer, after light passes through colored membrane pattern layer and jets out from the liquid crystal display, can satisfy the colored pattern effect of customer's requirement, it need not to paste the effect that a piece of colored membrane of taking the pattern reaches colored pattern at the main screen back, need not to increase a process, and the production yield is also higher, and the silk screen printing process is difficult to produce quality problem, improves the yields of product. The color film pattern layer is not required to be silk-screened on the optical film layer of the backlight module to achieve the effect of color patterns after light rays are emitted, in the manufacturers of the liquid crystal display, silk-screening of the color film pattern layer of the lower polaroid is generally carried out on the outside, the COG process and the FOG process are generally carried out on the parts, the lower polaroid and the color film pattern layer silk-screened on the lower polaroid can be lightened and checked before the COG process, then the lower polaroid with the color film patterns is attached to the liquid crystal display body, the FOG is required to be lightened before the FOG is attached to the cover plate, so that the liquid crystal display is lightened and electrically tested by a plurality of working procedures, each working procedure can be used for carrying out one-time closing on the product quality, and therefore, the risk that the defective products finally flow into the clients of the manufacturers of the automobile is greatly reduced.

In order to better understand the technical solutions of the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application 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 and 2, the liquid crystal display for a vehicle-mounted special-shaped segment code display provided by the utility model comprises a liquid crystal display body 1, an upper polarizer 2 and a lower polarizer 3, wherein the upper polarizer 2 is arranged above the liquid crystal display body 1, the lower polarizer 3 is arranged below the liquid crystal display body 1, the lower surface of the lower polarizer 3 is screen printed with a color film pattern layer 4, and as the lower surface of the lower polarizer 3 is screen printed with the color film pattern layer 4, light rays can meet the color pattern effect required by customers after being emitted from the liquid crystal display through the color film pattern layer 4.

Further, the thickness of the color film pattern layer 4 is 0.012mm, and the thickness of the traditional PET color film is generally 0.24mm, so that the overall thickness can be reduced by 0.228mm, and the effect of reducing the module thickness of the whole vehicle-mounted special-shaped section code display screen is achieved.

Example 2

Referring to fig. 1 and 3, as a further optimization scheme of embodiment 1, in this embodiment, the liquid crystal panel body 1 includes an upper substrate 5 and a lower substrate 6 disposed below the upper substrate 5, a liquid crystal layer is disposed between the upper substrate 5 and the lower substrate 6, the upper polarizer 2 is disposed above the upper substrate 5, and the lower polarizer 3 is disposed below the lower substrate 6.

Further, the lower substrate 6 is longer than the upper substrate 5 and protrudes outwards to form a step, a protrusion 61 is provided at the edge of the upper surface of the lower substrate 6 protruding outwards, a cover plate 7 is provided above the upper polarizer 2, a buffer glue 62 is provided between the protrusion 61 and the upper substrate 5 on the upper surface of the lower substrate 6, and the buffer glue 62 abuts against the cover plate 7. Since the edge of the lower substrate 6 is provided with the protrusion 61, the protrusion 61 can limit the flow of the buffer glue 62, so that the shape of the buffer glue 62 is easy to control, and the phenomenon of glue overflow or glue dropping is not full can be avoided. Thereby avoiding the failure of the LCD module to be assembled with the casing. And further, the problems of poor buffering effect and easy breakage of the lower substrate 6 caused by insufficient dispensing are avoided, and abnormal display of the liquid crystal display module is prevented.

Further, the upper surface of the protrusion 61 is flush with the upper surface of the upper substrate 5 to further limit the flow of the cushion gum 62, so that the shape of the cushion gum 62 is easy to control, and no phenomenon of glue overflow or insufficient dispensing occurs.

Further, the cushion gum 62 is a silicone gum.

Further, rounded corners are arranged between the protrusions 61 and the lower substrate 6, so that the buffer glue 62 is easier to fill the space between the protrusions 61 on the upper surface of the lower substrate 6 and the upper substrate 5, and the rounded corners are arranged on the protrusions 61, so that the buffer glue 62 can flow into the space between the protrusions 61 on the upper surface of the lower substrate 6 and the upper substrate 5 more smoothly, and bubbles are not easy to occur.

Further, the upper surface of the lower substrate 6 and the side surfaces of the protrusions 61 are roughened surfaces to enhance the fixing effect of the cushion rubber 62.

Further, the roughened surface is frosted, and more preferably, the roughened surface is diamond knurled to further enhance the securing effect of the cushion gum 62.

Example 3

As a further optimization scheme of embodiment 1, please refer to fig. 1, 3 and 4, the embodiment further includes a frame 8 disposed below the lower polarizer 3 and used for carrying the upper substrate 5, the lower substrate 6, the upper polarizer 2 and the lower polarizer 3, the frame 8 includes a frame 81 and a side wall 82 extending upward from an edge of the frame 81, at least two buckles 83 are disposed on the side wall 82, and the buckles 83 buckle the steps to prevent separation of components in the liquid crystal display. In the present embodiment, four buckles 83 symmetrical in pairs are used, but not limited thereto, and in other embodiments, only two buckles 83 may be used, but the stability is inferior to that of the four buckles 83 in the present embodiment. The step where the upper substrate 5 is above the lower substrate 6 and the buckle 83 buckles is a position where the upper surface of the lower substrate 6 is staggered from the upper substrate 5. The lower substrate 6 includes a circuit area and a non-circuit area, and the position where the buckle 83 is buckled in this embodiment is preferably the non-circuit area, so as to prevent the circuit of the lower substrate 6 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 display module, is time-saving and labor-saving, has high assembly efficiency, and can effectively improve the production efficiency.

Further, the width L of the buckle 83 to buckle the lower substrate 6 is preferably 0.3mm to 0.5mm, if the width L is too short, the buckle 83 is not easy to buckle the lower substrate 6, and a falling phenomenon is easy to occur; whereas if the width L is too long, the difficulty of fitting the lower substrate 6 to the clip 83 is too great, and the fitting is not easy. Gap d between side wall 82 of buckle 83 and lower substrate 6 ₁ Preferably 0.2mm or less, if the gap d ₁ Too large to catch and risk falling off. The upper substrate 5 and the lower substrate 6 are offset from each other by a distance d ₂ Preferably 0.5mm or more, so that the step has enough room for the catch 83 to catch.

Further, a gasket 9 is arranged between the rubber frame 8 and the lower polarizer 3, 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 body 1 and the rubber frame 8, but also can guarantee a buffering role in the assembly process of the liquid crystal display. In other embodiments, sponge rubber can be used, which not only plays the role, but also can firmly adhere the liquid crystal display screen and the rubber frame 8, and further prevent the liquid crystal display screen from being separated from the rubber frame 8. 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 screen plays a role in buffering, and the elastic force generated by the elastic deformation can apply a certain pressure to the liquid crystal display screen, so that the liquid crystal display screen can be firmly clamped by the buckle 83, the situation that the elastic force is small when the thickness delta of the gasket 9 is too small and enough pressure cannot be generated to the liquid crystal display screen is avoided, and the falling-off is avoided.

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 embodiments described above are only some embodiments of the present application, but not all embodiments, the preferred embodiments of the present application are given in the drawings, but not limiting the patent scope of the present application. This application may be embodied in many different forms, but rather, embodiments are provided in order to provide a more thorough understanding of the present disclosure. Although the present application 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, or equivalents may be substituted for elements thereof. All equivalent structures made by the specification and the drawings of the application are directly or indirectly applied to other related technical fields, and are also within the protection scope of the application.

Claims (10)

1. The utility model provides a liquid crystal display for on-vehicle dysmorphism section sign indicating number display screen, its includes liquid crystal display body (1), goes up polaroid (2) and lower polaroid (3), go up polaroid (2) set up in the top of liquid crystal display body (1), lower polaroid (3) set up in the below of liquid crystal display body (1), its characterized in that, the lower surface silk screen printing of lower polaroid (3) has colored membrane pattern layer (4).

2. The liquid crystal display screen for the vehicle-mounted special-shaped section code display screen according to claim 1, wherein the thickness of the color film pattern layer (4) is 0.012mm.

3. The liquid crystal display screen for the vehicle-mounted special-shaped section code display screen according to claim 1, wherein the liquid crystal screen body (1) comprises an upper substrate (5) and a lower substrate (6) arranged below the upper substrate (5), a liquid crystal layer is arranged between the upper substrate (5) and the lower substrate (6), the upper polarizer (2) is arranged above the upper substrate (5), and the lower polarizer (3) is arranged below the lower substrate (6).

4. A liquid crystal display screen for a vehicle-mounted special-shaped section code display screen according to claim 3, characterized in that the lower substrate (6) is longer than the upper substrate (5) and protrudes outwards to form a step, a protrusion (61) is arranged at the edge of the upper surface of the lower substrate (6) protruding outwards, a cover plate (7) is arranged above the upper polarizer (2), a buffer glue (62) is arranged between the protrusion (61) and the upper substrate (5) on the upper surface of the lower substrate (6), and the buffer glue (62) is abutted to the cover plate (7).

5. The liquid crystal display for the vehicle-mounted special-shaped section code display according to claim 4, wherein the upper surface of the protrusion (61) is flush with the upper surface of the upper substrate (5).

6. The liquid crystal display for the vehicle-mounted special-shaped section code display according to claim 4, wherein a rounded corner is arranged between the bulge (61) and the lower base plate (6).

7. The liquid crystal display for the vehicle-mounted special-shaped section code display according to claim 4, wherein the buffer adhesive (62) is silicone adhesive.

8. The liquid crystal display for the vehicle-mounted special-shaped section code display according to claim 4, wherein the upper surface of the lower substrate (6) and the side surfaces of the protrusions (61) are rough surfaces.

9. The liquid crystal display screen for the vehicle-mounted special-shaped section code display screen according to claim 4, further comprising a rubber frame (8) which is arranged below the lower polarizer (3) and used for bearing the upper substrate (5), the lower substrate (6), the upper polarizer (2) and the lower polarizer (3), wherein the rubber frame (8) comprises a frame body (81) and a side wall (82) which extends upwards from the edge of the frame body (81), at least two buckles (83) are arranged on the side wall (82), and the buckles (83) buckle the step.

10. The liquid crystal display screen for the vehicle-mounted special-shaped section code display screen according to claim 9, wherein a gasket (9) is arranged between the rubber frame (8) and the lower polarizer (3).

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