A backplane F-fold structure for use in liquid crystal televisions

Abstract

The utility model discloses a backboard F folding structure for liquid crystal television, including metal backboard, diffuser plate, optical film, liquid crystal panel, foam rubber, diffuser plate, optical film assembly joint in metal backboard F fold groove, and foam rubber is pasted and fixed on metal backboard F fold outer surface, and liquid crystal panel is pasted and fixed on foam rubber, and there is bending flanging in metal backboard F fold groove. The utility model discloses metal backboard F fold integrated moulding, reduces the strip part, reduces manual processing cost and material supporting expense, reaches reduce the whole machine cost, improves production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of LCD TV display technology, and in particular to a back panel F-fold structure for use in LCD TVs. Background Technology

[0002] In recent years, the LCD TV market has flourished, leading to increasingly fierce competition. To maintain market dominance, ensuring low material costs and high production efficiency is crucial for survival. In LCD TV design, a certain gap must be maintained between the LCD panel and the optical film to achieve optimal visual effects. This gap is maintained by extruded strips within the F-groove of the back panel. These strips press down on the optical film, ensuring a reasonable gap between it and the LCD panel. A typical 75-inch TV requires seven extruded strips. Eliminating these strips would reduce the types of materials and assembly complexity, achieving lower material costs and higher production efficiency. This technical solution achieves this goal through innovative back panel structural design. Utility Model Content

[0003] The purpose of this invention is to design an F-fold structure for the back panel of an LCD TV to solve the above problems, reduce auxiliary materials, lower the overall cost, and improve production efficiency.

[0004] This utility model achieves the above objectives through the following technical solutions:

[0005] This utility model provides a back panel F-fold structure for LCD TVs, including a metal back panel, a diffuser plate, an optical film, an LCD panel, and foam adhesive. The diffuser plate and the optical film are assembled and overlapped in the F-fold groove of the metal back panel, and the foam adhesive is pasted and fixed on the outer surface of the F-fold of the metal back panel. The LCD panel is pasted and fixed on the foam adhesive.

[0006] As a preferred embodiment of this invention, the metal back plate F has a bent flange in the groove.

[0007] As a preferred embodiment of this invention, the bending and flange height within the F-groove of the metal back plate is H. 背板厚度 <H 折弯翻边高度 <H F折槽内高度 -D 扩散板厚度 -D 光学膜片厚度 -0.5mm.

[0008] As a preferred embodiment of this invention, the bending flange width within the F-groove of the metal back plate is W. 折弯翻边宽度 >2H 背板厚度 .

[0009] As a preferred embodiment of this invention, the angle α between the first bend and flange in the F-groove of the metal back plate and the inner surface of the F-fold is ≤90°.

[0010] As a preferred embodiment of this utility model, the connection between the first and second bends in the F-groove of the metal back plate is a large rounded corner or a large bevel.

[0011] As a preferred embodiment of this invention, the angle between the second bending flange in the F-groove of the metal back plate and the inner surface of the F-groove is 0 ≤ β < 90°.

[0012] As a preferred embodiment of this utility model, the bending direction of the third bend flange within the F-groove of the metal back plate is close to the inner surface of the F-groove of the metal back plate.

[0013] As a preferred embodiment of this utility model, the shape of the bending and flanging within the F-groove of the metal back plate is not limited to semi-circular, circular, trapezoidal, etc.

[0014] As a preferred embodiment of this utility model, the bending and flanging inside the F-groove of the metal back plate is not limited to being integral in the length direction, but can also be segmented.

[0015] As a preferred embodiment of this utility model, the metal back plate F-fold bending and flanging is not limited to inside the metal back plate F-fold groove, but can also be outside the metal back plate F-fold groove.

[0016] The beneficial effects of this utility model are: the metal back plate is integrally formed by F-folding, reducing the number of pressure strip parts, reducing labor processing costs and material matching costs, thereby reducing the overall machine cost and improving production efficiency. Attached Figure Description

[0017] Figure 1 A partial sectional view of the existing backplate + pressure strip and the LCD panel + diffuser plate + optical film assembly;

[0018] Figure 2 This is a partial sectional view of the back plate F-fold of this utility model;

[0019] Figure 3 This is a partial sectional view of the back plate and the liquid crystal panel + diffuser plate + optical film of this utility model.

[0020] Figure 4 This is a schematic diagram of the assembly of the back plate, liquid crystal panel, diffuser plate, and optical film of this utility model.

[0021] In the diagram: 1-Metal backplate, 2-Diffuser plate, 3-Optical film, 4-Pressure strip, 5-Foam adhesive, 6-LCD panel, 11-Metal backplate F-fold, 12-Outer surface of metal backplate F-fold, 13-Inner surface of metal backplate F-fold, 14-Inner groove of metal backplate F-fold, 15-First bend flange, 16-Second bend flange, 17-Connection between the first and second bend flanges, 18-Third bend flange. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0024] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0025] In the description of this utility model, it should be understood that the terms "upper", "lower", "inner", "outer", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use, or the orientation or positional relationship that is commonly understood by those skilled in the art. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0027] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, terms such as "set" and "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0029] like Figure 2-4As shown, this embodiment provides a back panel F-fold structure for an LCD TV, including a metal back panel 1, a diffuser plate 2, an optical film 3, foam adhesive 5, and an LCD panel 6. First, the diffuser plate 2 and the optical film 3 are inserted together into the F-fold groove 14 of the metal back panel, overlapping within the F-fold groove 14; then, the foam adhesive 5 is pasted and fixed onto the outer surface 12 of the F-fold of the metal back panel; finally, the LCD panel 6 is pasted and fixed onto the foam adhesive 5.

[0030] Among them, the bending flange in the F-groove of the metal back plate replaces the original Figure 1 The pressure strip 4 in the middle maintains a certain distance between the diffuser plate 2 and the optical film 3 and the liquid crystal panel 6 by bending and flanging. The angle α between the first bending and flanging 15 in the groove of the metal back plate F-fold and the inner surface 13 of the metal back plate F-fold is ≤90°, which can ensure that the bending and flanging does not fall into the display area of ​​the liquid crystal panel 6; the connection 17 between the first bending and flanging and the second bending and flanging in the groove of the metal back plate F-fold must be a large rounded corner or a large bevel, which can ensure that the diffuser plate 2 and the optical film 3 can slide smoothly into the groove 14 of the metal back plate F-fold; the angle 0 ≤ β < 90° between the second bending and flanging 16 in the groove of the metal back plate F-fold and the inner surface 13 of the F-fold is ≤90°, which can ensure that the diffuser plate 2 and the optical film 3 are not scratched; the third bending and flanging 18 in the groove of the metal back plate F-fold must be close to the inner surface 13 of the metal back plate F-fold to ensure the strength of the bending and flanging.

[0031] Although the present invention has been described herein with reference to illustrative embodiments, the above embodiments are merely preferred embodiments of the present invention, and the implementation of the present invention is not limited to the above embodiments. It should be understood that those skilled in the art can design many other modifications and implementations, which will fall within the scope and spirit of the principles disclosed in this application.

Claims

1. A back panel F-fold structure for use in LCD TVs, characterized in that, The device includes a metal backplate (1), a diffuser plate (2), an optical film (3), a liquid crystal panel (5), and foam adhesive (6). The diffuser plate (2) and the optical film (3) are assembled and overlapped in the F-fold groove of the metal backplate (14). The foam adhesive is pasted and fixed on the outer surface (12) of the F-fold of the metal backplate. The liquid crystal panel (5) is pasted and fixed on the foam adhesive (6).

2. The back panel F-fold structure for use in an LCD TV as described in claim 1, characterized in that, The metal back plate has a bent flange in the F-groove (14).

3. The back panel F-fold structure for use in an LCD TV as described in claim 1, characterized in that: The bending and flange height (14) within the F-groove of the metal back plate, H 背板厚度 <H 折弯翻边高度 <H F折槽内高度 -D 扩散板厚度 -D 光学膜片厚度 -0.5mm.

4. The back panel F-fold structure for an LCD TV as described in claim 1, characterized in that: The bending flange width (14) within the F-groove of the metal back plate, W 折弯翻边宽度 >2H 背板厚度 .

5. The back panel F-fold structure for use in an LCD TV as described in claim 1, characterized in that: The angle α between the first bend flange (15) in the F-groove of the metal back plate (14) and the inner surface (13) of the F-groove of the metal back plate is ≤90°.

6. The F-fold structure for a back panel in a liquid crystal television as described in claim 1, characterized in that: The connection between the first bend flange (15) and the second bend flange (16) in the F-groove of the metal back plate is a large rounded corner or a large bevel.

7. The back panel F-fold structure for use in an LCD TV as described in claim 1, characterized in that: The angle β between the second bend flange (16) in the F-groove of the metal back plate and the inner surface (13) of the F-groove of the metal back plate is 0≤β<90°.

8. The F-fold structure for a back panel in a liquid crystal television as described in claim 1, characterized in that: The bending direction of the third bend flange (18) in the F-groove of the metal back plate is close to the inner surface (13) of the F-groove of the metal back plate.

9. The F-fold structure for a back panel in a liquid crystal television as described in claim 1, characterized in that: The shape of the bending and flanging within the groove F of the metal back plate (14) is not limited to semi-circle, circle, trapezoid, etc.

10. The back panel F-fold structure for use in an LCD TV as described in claim 1, characterized in that: The bending and flanging of the metal back plate F-groove (14) is integral or segmented in the length direction.

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