LCD display module

Abstract

The embodiment of the present invention relates to the field of liquid crystal screen assembly tooling, and discloses a liquid crystal display module, including a liquid crystal screen frame and a liquid crystal display screen fixed in the liquid crystal screen frame, wherein the liquid crystal screen frame includes a supporting frame supporting the liquid crystal display screen and a masking frame covering the liquid crystal display screen, and the masking frame has a display area exposing the liquid crystal display screen. The supporting frame includes a fixed plate body and a bearing plate body, wherein the bearing plate body is provided with a bearing bottom wall fixed on the fixed plate body and a frame extending from the edge of the bearing bottom wall by bending, and the bearing bottom wall and the frame together form a containing space for clamping and fixing the liquid crystal display screen. The thickness of the bearing plate body is less than that of the fixed plate body. The fixed plate body is used to ensure the strength of the supporting frame body, and the bearing plate body is used to compress the occupied space of the supporting frame body, thereby compressing the occupied space while ensuring the strength of the liquid crystal display module, thereby increasing the display area of ​​the liquid crystal display screen.

Description

Technical Field

[0001] The embodiments of the present invention relate to the field of liquid crystal screen assembly tools, and in particular to a liquid crystal display module with a narrow frame. Background Art

[0002] With the development of science and technology, the LCD screens of existing in-vehicle multimedia displays are getting bigger and bigger. LCD screens are usually composed of a liquid crystal screen and a liquid crystal screen frame that carries the liquid crystal screen. Existing liquid crystal screens have higher appearance requirements while the liquid crystal screens are made larger, and the narrow frame design of liquid crystal screens has become a new trend. In order to achieve a narrow frame design, the liquid crystal screen frame needs to be thinned. However, the liquid crystal screen frame is made of sheet metal punching and needs to be thick enough to support the liquid crystal screen to ensure its own strength. The sufficiently thick liquid crystal screen frame leads to a limited display area of ​​the liquid crystal screen, which is contrary to the development trend of narrow frame and high utilization of liquid crystal screens.

[0003] Therefore, it is necessary to provide a new liquid crystal display module to overcome the above defects. Summary of the invention

[0004] The purpose of the embodiments of the present invention is to provide a liquid crystal display module with a narrow frame, wherein the liquid crystal display module increases the display area of ​​the liquid crystal screen through different material thickness structures.

[0005] In order to solve the above technical problems, an embodiment of the present invention provides a liquid crystal display module, including a liquid crystal screen frame and a liquid crystal display screen fixed in the liquid crystal screen frame, the liquid crystal screen frame including a supporting frame supporting the liquid crystal display screen and a masking frame covering the liquid crystal display screen, the masking frame having a display area exposing the liquid crystal display screen. The supporting frame includes a fixed plate body and a bearing plate body riveted on the fixed plate body, the bearing plate body is provided with a bearing bottom wall fixed on the fixed plate body and a frame extending upwardly from the edge of the bearing bottom wall, the bearing bottom wall and the frame together form a containing space for clamping and fixing the liquid crystal display screen, and the thickness of the bearing plate body is less than the thickness of the fixed plate body.

[0006] In a preferred embodiment, the thickness of the bearing plate is 0.2-0.3 mm, and the thickness of the fixing plate is 0.8-1.0 mm.

[0007] In a preferred embodiment, the supporting frame has two short sides located on both sides of the longitudinal length and a long side and an arc-shaped side connecting the two short sides, and the frame of the supporting plate has a short frame located on the short sides and an arc-shaped frame located on the arc-shaped side, and the two short frames and the arc-shaped frame form the above-mentioned accommodating space.

[0008] In a preferred embodiment, the fixed plate body is provided with a fixed bottom wall connected to the bearing bottom wall and a long frame extending upwardly from an edge of the fixed bottom wall, and the long frame is located at a long side of the supporting frame.

[0009] In a preferred embodiment, the bearing plate body is provided with a first rivet hole located on the bearing bottom wall, and the fixed plate body is provided with a second rivet hole located on the fixed bottom wall and corresponding to the first rivet hole, and the first rivet hole and the second rivet hole are connected by rivets, so that the bearing plate body and the fixed plate body are connected to form the supporting frame.

[0010] In a preferred embodiment, the liquid crystal display module also includes a circuit board bracket connected to the bottom of the supporting frame, the circuit board bracket is provided with a longitudinal bottom plate and a connecting wall extending upward from the edge of the bottom plate, and the circuit board bracket is connected to the fixed bottom wall of the fixed plate body through the connecting wall to form a accommodating cavity for accommodating a circuit board.

[0011] In a preferred embodiment, the circuit board bracket is also provided with an elastic sheet torn from the bottom plate and protruding into the accommodating cavity and a third rivet hole penetrating the bottom plate, the elastic sheet presses and limits the circuit board, and the third rivet hole is connected by the above-mentioned rivet so that the circuit board bracket is fixed on the supporting frame.

[0012] In a preferred embodiment, the mask frame is provided with a top wall, side walls extending downward from the edge of the top wall, and a buckling hole passing through the side wall, and the supporting plate is provided with a buckling portion located on the frame and protruding outward, and the buckling portion is buckled in the buckling hole to connect the supporting plate and the mask frame to form the LCD screen frame.

[0013] In a preferred embodiment, the display area is located on the top wall, and the length of the display area in the longitudinal direction of the top wall accounts for up to 98.44%.

[0014] In a preferred embodiment, the liquid crystal display screen includes a backlight module accommodated in the accommodating space and an intermediate display screen located above the backlight module, the mask frame includes an inner mask frame covering the backlight module and an outer mask frame covering the outside of the inner mask frame, a clamping space is formed between the top wall of the outer mask frame and the top wall of the inner mask frame, and the intermediate display screen is accommodated in the clamping space.

[0015] Compared with the prior art, the embodiments of the present invention have the following beneficial effects: the support frame includes a fixed plate and a bearing plate riveted on the fixed plate, the bearing plate is provided with a bearing bottom wall fixed on the fixed plate and a frame bent upwardly from the edge of the bearing bottom wall, the bearing bottom wall and the frame together form a containing space for clamping and fixing the liquid crystal display screen. The thickness of the bearing plate is less than that of the fixed plate. The fixed plate is used to ensure the strength of the support frame, while the bearing plate is used to compress the occupied space of the support frame, so that the space of the support frame is compressed while ensuring the strength of the liquid crystal display module, thereby increasing the display area of ​​the liquid crystal display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0017] Figure 1 It is a schematic diagram of an exploded view of the liquid crystal display module of the present invention.

[0018] Figure 2 yes Figure 1 The figure shows an exploded schematic diagram of a mask frame in a liquid crystal display module.

[0019] Figure 3 yes Figure 1 A three-dimensional schematic diagram of a supporting frame in a liquid crystal display module is shown.

[0020] Figure 4 yes Figure 3 An exploded schematic diagram of the support frame is shown.

[0021] Figure 5 yes Figure 1 A three-dimensional schematic diagram of a circuit board bracket in a liquid crystal display module is shown. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that in the embodiments of the present invention, many technical details are provided to enable the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed in the present application can be implemented.

[0023] See also Figures 1 to 5The figure shows a liquid crystal display module according to the present invention, which is used as a part of a vehicle-mounted multimedia display. The liquid crystal display module comprises a liquid crystal screen frame 100 and a liquid crystal display screen (not shown) fixed in the liquid crystal screen frame 100. The liquid crystal screen frame 100 comprises a supporting frame 1 for supporting the liquid crystal display screen and a masking frame 2 for masking the liquid crystal display screen. The masking frame 2 has a display area that exposes the liquid crystal display screen.

[0024] In this embodiment, the liquid crystal display screen includes a backlight module supported on a supporting frame 1 and a middle display screen located above the backlight module. The middle display screen may be an infrared sensing touch screen to enhance the human-computer interaction of the vehicle-mounted multimedia display.

[0025] See also Figure 3 and Figure 4 As shown, the support frame 1 includes a fixed plate 10 and a bearing plate 20 riveted on the fixed plate 10, the bearing plate 20 is provided with a bearing bottom wall 21 fixed on the fixed plate 10 and a frame bent upwardly from the edge of the bearing bottom wall 21, the bearing bottom wall 21 and the frame together form a receiving space 24 for accommodating and fixing the backlight module of the liquid crystal display screen. The fixed plate 10 is provided with a fixed bottom wall 11 connected to the bearing bottom wall 21 to ensure the overall strength of the support frame 1.

[0026] The support frame 1 has two short sides located on both sides of the longitudinal length and a long side and an arc side connecting the two short sides. The fixed plate 10 is provided with a long frame 12 extending upward from the edge of the fixed bottom wall 11, and the long frame 12 is located on the long side of the support frame 1. The frame of the carrying plate 20 has a short frame 22 located on the short side and an arc frame 23 located on the arc side. The two short frames 22 and the arc frame 23 form the above-mentioned accommodating space 24 to clamp the backlight module around.

[0027] The fixed plate 10 is used to ensure the overall strength of the supporting frame 1; without increasing the overall size of the supporting frame 1, the space occupied by the supporting frame 1 around the backlight module is compressed to ensure the maximization of the display area of ​​the backlight module. The thickness of the bearing plate 20 in the present invention is designed to be less than the thickness of the fixed plate 10, thereby compressing the space occupied by the supporting frame 1 while ensuring the strength of the liquid crystal display module, thereby increasing the display area of ​​the liquid crystal display screen. Among them, the thickness of the fixed plate 10 is generally 0.8-1.0 mm, and the thickness of the bearing plate 20 is 0.2-0.3 mm. In this embodiment, the thickness of the fixed plate 10 is 1.0 mm, and the thickness of the bearing plate 20 is 0.3 mm.

[0028] The bearing plate body 20 is provided with a first rivet hole 25 located on the bearing bottom wall 21, and the fixed plate body 10 is provided with a second rivet hole 15 located on the fixed bottom wall 11 and corresponding to the first rivet hole 25, and the first rivet hole 25 and the second rivet hole 15 are connected by a rivet 60, so that the bearing plate body 20 and the fixed plate body 10 are connected to form the above-mentioned support frame 1.

[0029] Combination Figure 2 As shown, the mask frame 2 includes an inner mask frame 30 covering the backlight module and an outer mask frame 40 covering the outer side of the inner mask frame 30. The inner mask frame 30 is provided with a top wall 31, a side wall 32 extending downward from the edge of the top wall 31, a protrusion 33 extending upward from the edge of the top wall 31, and a protrusion 34 protruding outward from the side wall, and the outer mask frame 40 is provided with a top wall 41, a side wall 42 extending downward from the edge of the top wall 41, and a buckle hole 43 penetrating the side wall 42. When the outer mask frame 40 is buckled with the inner mask frame 30, the protrusion 34 of the inner mask frame 30 abuts against the inner surface of the top wall 31 of the outer mask frame 40, and the protrusion 34 is buckled in the snap hole 43, so that a clamping space (unnumbered) is formed between the top wall 41 of the outer mask frame 40 and the top wall 31 of the inner mask frame 30, and the middle display screen is accommodated in the clamping space.

[0030] The height of the side wall 42 of the outer mask frame 40 is higher than the height of the side wall 32 of the inner mask frame 30, and the bottom edges of the two are located in the same plane. The outer mask frame 40 is provided with a buckle hole 45 that passes through the side wall 42 and is located below the buckle hole 43, and the inner mask frame 30 is provided with a buckle hole 35 that passes through the side wall 32; at the same time, the support plate 20 is provided with a buckle portion 26 that is located on the frame and protrudes outward, and the buckle portion 26 is buckled in the buckle holes 35 and 45, so that the support plate 20 is connected to the mask frame 2 to form the LCD frame 100.

[0031] The inner mask frame 30 is provided with a display area 36 located on its top wall 31, and the outer mask frame 40 is provided with a display area 46 located on its top wall 41. The two display areas are the same size, and the display area 36 of the inner mask frame 30 accounts for up to 98.44% of the length of the top wall 31 in the longitudinal direction, thereby realizing a narrow frame design of the liquid crystal display module.

[0032] Combination Figure 5As shown, the liquid crystal display module further includes a circuit board bracket 50 connected to the bottom of the support frame 1, the circuit board bracket 50 is provided with a longitudinal bottom plate 51 and a connecting wall 52 extending upwardly from the edge of the bottom plate 51, and the circuit board bracket 50 is connected to the fixed bottom wall 11 of the fixed plate body 10 through the connecting wall 52 to form an accommodating cavity 53 for accommodating a circuit board (not shown). The fixed plate body 10 is provided with a positioning portion 13 torn from the fixed bottom wall 11 and extending downwardly into the accommodating cavity 53, and the positioning portion 13 is used to limit the circuit board in the accommodating cavity 53.

[0033] The circuit board bracket 50 is also provided with an elastic sheet 54 torn from the bottom plate 51 and protruding into the accommodating cavity 53 and a third rivet hole 55 penetrating the bottom plate 51. The elastic sheet 54 presses against the circuit board and is used to further limit the circuit board. The third rivet hole 55 is connected by the rivet 60, so that the circuit board bracket 50 is fixed on the supporting frame 1.

[0034] In the present invention, the support frame 1 includes a fixed plate 10 and a bearing plate 20 riveted on the fixed plate 10. The bearing plate 20 is provided with a bearing bottom wall 21 fixed on the fixed plate 10 and a frame bent upwardly from the edge of the bearing bottom wall 21. The bearing bottom wall 21 and the frame together form a receiving space 24 for clamping and fixing the liquid crystal display screen. The thickness of the bearing plate 20 is less than that of the fixed plate 10. The fixed plate 10 is used to ensure the strength of the support frame 1, and the bearing plate 20 is used to compress the occupied space of the support frame 1, so that the occupied space of the support frame 1 is compressed while ensuring the strength of the liquid crystal display module, thereby increasing the display area of ​​the liquid crystal display screen.

[0035] Those skilled in the art will appreciate that the above embodiments are specific examples for implementing the present invention, and in actual applications, various changes may be made thereto in form and detail without departing from the spirit and scope of the present invention.

Claims

1. A liquid crystal display module, comprising a liquid crystal screen frame and a liquid crystal display screen fixed in the liquid crystal screen frame, wherein the liquid crystal screen frame comprises a supporting frame supporting the liquid crystal display screen and a masking frame covering the liquid crystal display screen, wherein the masking frame has a display area exposing the liquid crystal display screen; characterized in that: The supporting frame includes a fixed plate and a bearing plate riveted on the fixed plate. The bearing plate is provided with a bearing bottom wall fixed on the fixed plate and a frame bent upward and extended from the edge of the bearing bottom wall. The bearing bottom wall and the frame together form a accommodating space for clamping and fixing the liquid crystal display screen. The thickness of the bearing plate is less than that of the fixed plate. The thickness of the bearing plate is 0.2-0.3 mm, and the thickness of the fixed plate is 0.8-1.0 mm.

2. The liquid crystal display module according to claim 1, characterized in that: The supporting frame has two short sides located on both sides of the longitudinal length and a long side and an arcuate side connecting the two short sides. The frame of the supporting plate has a short frame located on the short sides and an arcuate frame located on the arcuate side. The two short frames and the arcuate frame form the above-mentioned accommodating space.

3. The liquid crystal display module according to claim 2, characterized in that: The fixed plate body is provided with a fixed bottom wall connected to the bearing bottom wall and a long frame bent upwardly and extended from the edge of the fixed bottom wall, and the long frame is located at the long side of the supporting frame body.

4. The liquid crystal display module according to claim 3, characterized in that: The bearing plate body is provided with a first rivet hole located on the bearing bottom wall, and the fixed plate body is provided with a second rivet hole located on the fixed bottom wall and corresponding to the first rivet hole. The first rivet hole and the second rivet hole are connected by rivets, so that the bearing plate body and the fixed plate body are connected to form the supporting frame.

5. The liquid crystal display module according to claim 4, characterized in that: The liquid crystal display module also includes a circuit board bracket connected to the bottom of the supporting frame, the circuit board bracket is provided with a longitudinal bottom plate and a connecting wall extending upward from the edge of the bottom plate, and the circuit board bracket is connected to the fixed bottom wall of the fixed plate body through the connecting wall to form a accommodating cavity for accommodating a circuit board.

6. The liquid crystal display module according to claim 5, characterized in that: The circuit board bracket is also provided with an elastic sheet torn from the bottom plate and protruding into the accommodating cavity and a third rivet hole penetrating the bottom plate, the elastic sheet presses and limits the circuit board, and the third rivet hole is connected by the above-mentioned rivet so that the circuit board bracket is fixed on the supporting frame.

7. The liquid crystal display module according to claim 2, characterized in that: The mask frame is provided with a top wall, side walls extending downward from the edge of the top wall and a buckling hole passing through the side wall, and the supporting plate is provided with a buckling portion located on the frame and protruding outward, and the buckling portion is buckled in the buckling hole to connect the supporting plate and the mask frame to form the LCD screen frame.

8. The liquid crystal display module according to claim 7, characterized in that: The display area is located on the top wall, and the length of the display area in the longitudinal direction of the top wall accounts for up to 98.44%.

9. The liquid crystal display module according to claim 7, characterized in that: The liquid crystal display screen includes a backlight module accommodated in the accommodating space and an intermediate display screen located above the backlight module, the mask frame includes an inner mask frame covering the backlight module and an outer mask frame covering the outside of the inner mask frame, a clamping space is formed between the top wall of the outer mask frame and the top wall of the inner mask frame, and the intermediate display screen is accommodated in the clamping space.

Images