LCM (Liquid Crystal Module) convenient for connecting FPC (Flexible Printed Circuit) structure

Abstract

The utility model discloses an LCM (Liquid Crystal Module) convenient to connect with an FPC (Flexible Printed Circuit) structure, which comprises an LCM board, mounting components respectively arranged at corners of the LCM board, a liquid crystal display component arranged above the LCM board, a mounting block arranged on one side of the liquid crystal display component at the top end of the LCM board, an FPC element arranged on one side of the top end of the LCM board, and a heat dissipation structure, the heat dissipation structure comprises installation grooves formed in the two sides of the liquid crystal display assembly, heat dissipation frames arranged in the installation grooves and heat conduction pieces installed in the heat dissipation frames. And the anti-breaking structure is arranged at the top of the outer side wall of the LCM board and is used for protecting the FPC element. The heat dissipation structure, the mounting groove, the heat dissipation frame and the heat conduction piece are arranged to assist heat dissipation on the two sides of the liquid crystal display assembly, so that the whole module can still keep a good working state under long-term working.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of LCM module, especially to a kind of LCM module of FPC structure convenient to interface. BACKGROUND

[0002] With the progress of the times, technology is developing continuously, LCM module is assembled with liquid crystal display piece, connecting piece, drive circuit, backlight, PCB circuit board and other components, so that LCM module plays an important role in digital products, smart home, industrial control and medical fields, provides clear and smooth display effect, so that user is convenient to control adjustment, therefore, it is particularly important to propose a kind of LCM module of FPC structure convenient to interface.

[0003] The LCM display module disclosed in the Chinese utility model patent with the application number CN213023862U includes a display module and a backlight source, the display module is arranged above the backlight source along the vertical direction of the backlight source, the backlight source has a frame and a light emitting element arranged inside the frame, one side of the light emitting element faces a light guide plate, the light guide plate has a reflecting sheet below and a light enhancement film above; the light emitting element is integrated at a first surface of a first output part of a flexible PCB, the first surface has a light shielding part arranged around the light emitting element; the upper surface of the light guide plate is pasted with the light shielding part and arranged on the same side of the light emitting element. The present technology can prevent the light at the light emitting element from scattering outward by arranging a light shielding part around the light emitting element, thereby improving the quality of the backlight source.

[0004] The above-mentioned LCM display module can prevent the light at the light emitting element from scattering outward by arranging a light shielding part around the light emitting element, thereby improving the quality of the backlight source, but still has the following defects in actual use: the backlight source will heat up during continuous operation, in order not to affect the operation of the overall module, it needs to be cooled, and when the FPC is installed on the LCM module, it is easy to be damaged due to edge wear during bending. SUMMARY

[0005] The utility model discloses a kind of LCM module of FPC structure convenient to interface, including LCM plate, the installation component of respectively being arranged in the corner position of LCM plate, the liquid crystal display component of being arranged above LCM plate and the installation block and FPC element of being arranged at the top of LCM plate, further include:

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] A kind of LCM module of FPC structure convenient to interface, including LCM plate, the installation component of respectively being arranged in the corner position of LCM plate, the liquid crystal display component of being arranged above LCM plate and the installation block and FPC element of being arranged at the top of LCM plate, further include:

[0008] The heat dissipation structure comprises mounting grooves opened on two sides of the liquid crystal display assembly, a heat dissipation frame arranged in the mounting grooves and heat conduction sheets arranged in the heat dissipation frame.

[0009] The anti-breaking structure is arranged on the top of the outer side wall of the LCM plate and is used for protecting the FPC element.

[0010] In a preferred embodiment of the utility model, the liquid crystal display assembly and the mounting block abut against each other, the LCM plate is provided with a plurality of bolts which penetrate through the LCM plate and are threadedly connected to the bottom of the liquid crystal display assembly, and a gap is left between the LCM plate and the liquid crystal display assembly.

[0011] In a preferred embodiment of the utility model, the anti-breaking structure comprises a sticking groove opened on the top of the outer side wall of the LCM plate, an anti-breaking block arranged on the outer side of the sticking groove, a sticking block fixed on the inner side of the anti-breaking block and a sticking layer arranged on the outer side wall of the sticking block.

[0012] In a preferred embodiment of the utility model, the sticking layer fixes the anti-breaking block in the sticking groove, the top end of the anti-breaking block and the top end of the LCM plate are located on the same horizontal plane, the outer diameter size of the sticking groove is equal to the outer diameter size of the sticking block, and the outer side wall of the anti-breaking block is designed in an arc shape.

[0013] In a preferred embodiment of the utility model, the mounting block is provided with a clamping structure on each side of the top end, the clamping structure comprises a rotating groove opened on each side of the top end of the mounting block, a rotating shaft fixed on the inner side of the rotating groove, a rotating cover rotatably connected to the outer side wall of the rotating shaft and a finger groove opened on the outer side bottom end of the rotating cover.

[0014] In a preferred embodiment of the utility model, the rotating cover and the mounting block are clamped and connected.

[0015] In a preferred embodiment of the utility model, the inner diameter size of the main visual section of the mounting groove is equal to the outer diameter size of the main visual section of the heat dissipation frame.

[0016] The utility model solves the problems in the background art that the continuous work of the backlight source generates heat and affects the work of the whole module and the FPC is easily damaged due to abrasion when being bent on the LCM module, and has the following beneficial effects:

[0017] 1. The utility model provides an LCM module convenient for connecting FPC, which is provided with a heat dissipation structure, the mounting groove, the heat dissipation frame and the heat conduction sheet are used for auxiliary heat dissipation on the two sides of the liquid crystal display assembly, so that the whole module can maintain a good working state under long-term work.

[0018] 2. The utility model provides a kind of LCM module of FPC structure convenient for connection, by being provided with anti-breaking structure, under the action of adhering groove, anti-breaking block, adhering block and adhering layer, FPC element when bending, first contact is the curved surface of anti-breaking block instead of the right angle edge of LCM plate, effectively protects FPC element, prolongs the service life of FPC element.

[0019] 3. The utility model provides a kind of LCM module of FPC structure convenient for connection, by being provided with clamping structure, rotary groove, pivot and cover in the inside of mounting block assist liquid crystal display assembly and FPC element and LCM plate connection, finger groove then facilitates personnel to cock cover, it is convenient for the operation of dismounting. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model is further described below in connection with the drawings and examples;

[0021] Figure 1 it is the three-dimensional structure diagram of preferred embodiment of the utility model;

[0022] Figure 2 it is the front view cross section of preferred embodiment of the utility model;

[0023] Figure 3 it is the disassembly drawing of heat dissipation structure of preferred embodiment of the utility model;

[0024] Figure 4 it is the local section view of clamping structure of preferred embodiment of the utility model;

[0025] Figure 5 it is the disassembly drawing of anti-breaking structure of preferred embodiment of the utility model.

[0026] In the drawing: 1, LCM plate;2, installation assembly;3, liquid crystal display assembly;4, mounting block;5, anti-breaking structure;501, adhering groove;502, anti-breaking block;503, adhering block;504, adhering layer;6, FPC element;7, clamping structure;701, rotary groove;702, pivot;703, cover;704, finger groove;8, heat dissipation structure;801, installation groove;802, heat dissipation frame;803, heat conduction sheet. DETAILED DESCRIPTION

[0027] Now in connection with the drawings and examples, the utility model is further detailed, these drawings are all simplified schematic diagram, just with schematic way to illustrate the basic structure of the utility model, so it just shows the structure related to the utility model.

[0028] As Figure 1 And Figure 3As shown in the figure, an LCM module convenient for connecting FPC structure, including LCM plate 1, mounting assembly 2 arranged at the corner position of LCM plate 1 respectively, liquid crystal display assembly 3 arranged above LCM plate 1, mounting block 4 arranged at the side of liquid crystal display assembly 3 at the top end of LCM plate 1 and FPC element 6 arranged at one side of the top end of LCM plate 1, one side of liquid crystal display assembly 3 and one side of mounting block 4 abut, the bottom end of LCM plate 1 is provided with a bolt penetrating through LCM plate 1 and threadedly connected to the bottom of liquid crystal display assembly 3, heat dissipation structure 8, heat dissipation structure 8 includes mounting groove 801 opened at both sides of liquid crystal display assembly 3, heat dissipation frame 802 arranged in mounting groove 801 and heat conduction sheet 803 mounted in heat dissipation frame 802, the inner diameter size of the main view section of mounting groove 801 is equal to the outer diameter size of the main view section of heat dissipation frame 802.

[0029] It should be noted that when liquid crystal display assembly 3 works, the backlight source will continue to heat during work, in order to avoid the working state of LCM plate 1 and other components being damaged, it is necessary to dissipate heat in time, at this time the heat dissipation frame 802 in the mounting groove 801 conducts heat to the inside and outside of the heat dissipation frame 802, and the heat conduction sheet 803 increases the heat dissipation area of the heat dissipation frame 802, the mounting groove 801, the heat dissipation frame 802 and the heat conduction sheet 803 assist heat dissipation on both sides of the liquid crystal display assembly 3, so that the whole module can still maintain good working state under long-term work.

[0030] As shown in the figure, Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown in the figure, the anti-breaking structure 5 is arranged at the top of the outer side wall of the LCM plate 1, which is used for protecting the FPC element 6, the anti-breaking structure 5 includes the sticking groove 501 opened at the top of the outer side wall of the LCM plate 1, the anti-breaking block 502 arranged outside the sticking groove 501, the sticking block 503 fixed inside the anti-breaking block 502 and the sticking layer 504 arranged on the outer side wall of the sticking block 503, the sticking layer 504 fixes the anti-breaking block 502 in the sticking groove 501, the top end of the anti-breaking block 502 and the top end of the LCM plate 1 are located on the same horizontal plane, and the outer side wall of the anti-breaking block 502 is designed in arc shape.

[0031] It needs to be explained that the FPC element 6 sometimes rubs with the LCM plate 1 due to external impact in daily use. According to different widths of the FPC element 6, the anti-breaking block 502 and the sticking block 503 of corresponding length are cut and used, and then the anti-breaking block 502 and the sticking block 503 are installed into the sticking groove 501 of the outer side wall of the LCM plate 1 through the sticking layer 504. Under the action of the sticking groove 501, the anti-breaking block 502, the sticking block 503 and the sticking layer 504, when the FPC element 6 is bent, the first contact is the curved surface of the anti-breaking block 502 instead of the right-angle edge of the LCM plate 1, which effectively protects the FPC element 6 and prolongs the service life of the FPC element 6.

[0032] As shown in Figure 1 , Figure 2 and Figure 4 , the mounting block 4 is provided with the clamping structure 7 on both sides of the top end, the clamping structure 7 includes the rotating groove 701 opened on both sides of the top end of the mounting block 4, the rotating shaft 702 fixed on the inner side of the rotating groove 701, the rotating cover 703 rotatably connected to the outer side wall of the rotating shaft 702, and the finger groove 704 opened on the outer side bottom end of the rotating cover 703, and the rotating cover 703 is clamped and connected with the mounting block 4.

[0033] It needs to be explained that when the LCM plate 1, the liquid crystal display assembly 3 and the FPC element 6 are assembled, the connecting joints are fixed through the clamping structure 7 on the top end of the mounting block 4, the rotating cover 703 is pressed and connected with the joints of the top end of the LCM plate 1, the FPC element 6 and other components, the rotating groove 701, the rotating shaft 702 and the rotating cover 703 assist the connection of the liquid crystal display assembly 3 and the FPC element 6 with the LCM plate 1 in the inside of the mounting block 4, and the finger groove 704 facilitates the personnel to pull the rotating cover 703, and facilitates the operation of disassembly and assembly.

[0034] The utility model discloses when using, the back light source will continue to heat during work when liquid crystal display assembly 3 works, in order to avoid the working state of LCM board 1 and other components are damaged, need in time radiating heat, at this time, the heat dissipation frame 802 inside the mounting groove 801 conducts heat to the inside and the outside of heat dissipation frame 802, and the heat conduction sheet 803 increases the radiating area of heat dissipation frame 802, and the mounting groove 801, heat dissipation frame 802 and heat conduction sheet 803 assist radiating heat on both sides of liquid crystal display assembly 3, and FPC element 6 sometimes rubs with LCM board 1 because of external impact when using daily, according to the FPC element 6 of different width uses cutting corresponding length's anti breaking block 502 and adhering block 503, and then through adhering layer 504, anti breaking block 502 and adhering block 503 are installed to the adhering groove 501 of the outer side wall of LCM board 1, under the action of adhering groove 501, anti breaking block 502, adhering block 503 and adhering layer 504, when bending, the first contact is the cambered surface of anti breaking block 502 instead of the right angle edge of LCM board 1, effectively protected FPC element 6, prolonged the service life of FPC element 6, when assembling LCM board 1, liquid crystal display assembly 3 and FPC element 6, the joint of connecting is fixed through the clamping structure 7 of mounting block 4 top, and the joint of LCM board 1 top, FPC element 6 and other components is pressed and is connected in communication by cover 703, and finger groove 704 is convenient for personnel to release cover 703, and rotating groove 701, pivot 702 and cover 703 assist LCM board 1 to be connected with liquid crystal display assembly 3 and FPC element 6 in the inside of mounting block 4 convenient to disassemble and assemble.

[0035] The above ideal embodiment of the utility model is inspired, and through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content of the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. An LCM module facilitating the connection of FPC structure, comprising an LCM plate (1), a mounting assembly (2) arranged at the corner position of the LCM plate (1) respectively, a liquid crystal display assembly (3) arranged above the LCM plate (1), and a mounting block (4) and an FPC element (6) arranged at the top end of the LCM plate (1), characterized in that, Also include: Heat dissipation structure (8), the heat dissipation structure (8) includes the installation groove (801) opened in liquid crystal display assembly (3) both sides, the heat dissipation frame (802) arranged in installation groove (801) and the heat conduction sheet (803) installed in heat dissipation frame (802) inside; Anti-breaking structure (5), the anti-breaking structure (5) is arranged in the top of the outer side wall of LCM board (1), and is used for protecting FPC element (6).

2. The LCM module of claim 1, wherein: The liquid crystal display assembly (3) and the mounting block (4) are in contact, and the bottom end of the LCM board (1) is provided with a plurality of bolts penetrating the LCM board (1) and screwing the bottom of the liquid crystal display assembly (3).

3. The LCM module of claim 1, wherein: The anti-breaking structure (5) includes a sticky groove (501) opened in the top of the outer side wall of the LCM board (1), an anti-breaking block (502) arranged outside the sticky groove (501), a sticky block (503) fixed inside the anti-breaking block (502), and a sticky layer (504) arranged on the outer side wall of the sticky block (503).

4. The LCM module of claim 3, wherein: The sticky layer (504) fixes the anti-breaking block (502) in the sticky groove (501), and the top end of the anti-breaking block (502) and the top end of the LCM board (1) are located on the same horizontal plane.

5. The LCM module of claim 1, wherein: The mounting block (4) is provided with a clamping structure (7) on both sides of the top end, the clamping structure (7) includes a rotating groove (701) opened on both sides of the top end of the mounting block (4), a rotating shaft (702) fixed inside the rotating groove (701), a rotating cover (703) rotatably connected to the outer side wall of the rotating shaft (702), and a finger groove (704) opened on the outer side bottom end of the rotating cover (703).

6. The LCM module of claim 5, wherein: The rotating cover (703) and the mounting block (4) are connected.

7. The LCM module of claim 1, wherein: The inner diameter size of the main view section of the installation groove (801) is the same as the outer diameter size of the main view section of the heat dissipation frame (802).

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