Liquid crystal display module

Abstract

The application discloses a liquid crystal display module, which comprises a back plate, a first limiting module, an optical piece, a liquid crystal display panel, a lower edge strip, a second limiting module and a lamp strip. The back plate comprises a back plate main body, a first edge arranged at the left side edge of the back plate main body, a second edge arranged at the upper edge of the back plate main body and a third edge arranged at the right side edge of the back plate main body. The lower edge strip is arranged at the lower edge of the back plate main body. The back plate main body, the first edge, the second edge, the third edge and the lower edge strip enclose a liquid crystal display module frame. The lamp strip is arranged on the lower edge strip. The first limiting module is arranged on the back plate main body. The second limiting module is arranged on the lower edge strip. The optical piece and the liquid crystal display panel are arranged in the liquid crystal display module frame through the first limiting module and the second limiting module. The whole liquid crystal display module can be fixed without a front frame and a middle frame, the production cost is reduced, the installation is convenient, and the production efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of liquid crystal display, and in particular to a liquid crystal display module. BACKGROUND

[0002] At present, liquid crystal display devices are relatively common in society, and different demands have appeared in society. The existing liquid crystal display module generally comprises a back plate, an optical assembly, a liquid crystal panel, a middle frame and a front frame. The front frame, the middle frame and the back plate are usually fixedly connected in a screw locking manner. The liquid crystal panel is fixed by the connection between the front frame and the middle frame, and the optical assembly is fixed by the connection between the back plate and the middle frame, so as to form a liquid crystal display module. Although this liquid crystal display module can fix the liquid crystal display module, the cost of mold making and raw materials is relatively high, and the installation is not convenient, which cannot greatly improve the production efficiency. SUMMARY

[0003] The purpose of the present application is to provide a liquid crystal display module with simple structure, convenient installation, which can replace the front frame and the middle frame of the traditional module, thereby reducing the production cost.

[0004] In order to achieve the above purpose, the present application provides a liquid crystal display module, comprising a back plate, a first limiting module, an optical piece, a liquid crystal display panel, a lower edge strip, a second limiting module and a light bar; the back plate comprises a back plate body, a first edge arranged at the left side edge of the back plate body, a second edge arranged at the upper edge of the back plate body and a third edge arranged at the right side edge of the back plate body; the lower edge strip is arranged at the lower edge of the back plate body; the back plate body, the first edge, the second edge, the third edge and the lower edge strip form a liquid crystal display module frame; the light bar is arranged on the lower edge strip; the first limiting module is arranged on the back plate body; the second limiting module is arranged on the lower edge strip; the optical piece is arranged in the liquid crystal display module frame through the first limiting module and the second limiting module; the liquid crystal display panel is arranged in the liquid crystal display module frame through the first limiting module and the second limiting module.

[0005] Further, the liquid crystal display module further comprises a wrapping edge strip, which is arranged around the periphery of the liquid crystal display module frame.

[0006] Further, the optical piece comprises a reflecting sheet, a light guide plate and an optical film sheet arranged in sequence from bottom to top.

[0007] Further, the liquid crystal display panel comprises a liquid crystal panel, a connecting piece arranged at the bottom end of the liquid crystal panel and a PCB board connected with the connecting piece, and the liquid crystal panel and the PCB board are parallel to each other.

[0008] Further, the PCB is provided with a first locking hole, the back plate is provided with a first fixing hole matched with the first locking hole, and the liquid crystal display panel is assembled on the back plate through the first locking hole.

[0009] Further, the lower edge strip is provided with a film pressing piece for limiting the optical part.

[0010] Further, the first limiting module comprises a first limiting block and a second limiting block, the first limiting block is arranged at a first top corner enclosed by the first edge and the second edge, and the second limiting block is arranged at a second top corner enclosed by the second edge and the third edge.

[0011] Further, the second limiting module comprises a third limiting block, a fourth limiting block, a fifth limiting block and a sixth limiting block, the third limiting block is arranged at a left end of the lower edge strip close to the back plate, the fourth limiting block is arranged at a right end of the lower edge strip close to the back plate, the fifth limiting block is arranged at a left end of the lower edge strip away from the back plate, and the sixth limiting block is arranged at a right end of the lower edge strip away from the back plate.

[0012] Further, the light bar comprises a bottom plate, a light emitting component and a fastener arranged on the bottom plate, and the optical part is provided with a through hole matched with the fastener.

[0013] Further, the lower edge strip is provided with a second locking hole, the lower edge of the back plate body is provided with a second fixing hole matched with the second locking hole, and the lower edge strip is assembled on the lower edge of the back plate body through the second locking hole.

[0014] Compared with the prior art, the liquid crystal display module provided by the application comprises a back plate, a first limiting module, an optical part, a liquid crystal display panel, a lower edge strip, a second limiting module and a light bar; the back plate comprises a back plate body, a first edge arranged on a left side edge of the back plate body, a second edge arranged on an upper edge of the back plate body and a third edge arranged on a right side edge of the back plate body; the lower edge strip is arranged on a lower edge of the back plate body; the back plate body, the first edge, the second edge, the third edge and the lower edge strip enclose a liquid crystal display module frame; the light bar is arranged on the lower edge strip; the first limiting module is arranged on the back plate body; the second limiting module is arranged on the lower edge strip; the optical part is arranged in the liquid crystal display module frame through the first limiting module and the second limiting module; and the liquid crystal display panel is arranged in the liquid crystal display module frame through the first limiting module and the second limiting module. The optical part, the light bar and the liquid crystal display panel are limited and fixed by the first limiting module, the second limiting module, the lower edge strip and the back plate, the whole module can be fixed without a front frame and a middle frame, the production cost is reduced, the installation is convenient, and the production efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0016] Figure 1 An exploded structural schematic view of the liquid crystal display module provided by the embodiment of the present application is shown in the figure.

[0017] Figure 2 A structural schematic view of the back plate provided by the embodiment of the present application is shown in the figure.

[0018] Figure 3 A structural schematic view of the liquid crystal display panel provided by the embodiment of the present application is shown in the figure.

[0019] Figure 4 A structural schematic view of the light bar provided by the embodiment of the present application is shown in the figure.

[0020] Figure 5 A structural schematic view of the light bar provided by the embodiment of the present application is shown in the figure. Figure 4 An enlarged structural schematic view of the A area in the figure.

[0021] Figure 6 A structural schematic view of the assembly of the lower edge bar, the second limiting module, the pressing diaphragm, the optical element and the light bar provided by the embodiment of the present application is shown in the figure.

[0022] Figure 7 An enlarged structural schematic view of the A area in the figure. Figure 6 An enlarged structural schematic view of the A area in the figure.

[0023] Figure 8 A structural schematic view of the assembly of the back plate, the first limiting module, the lower edge bar and the second limiting module provided by the embodiment of the present application is shown in the figure.

[0024] In the figure, the various reference signs are as follows:

[0025] 100, liquid crystal display module; 1, liquid crystal display panel; 11, liquid crystal panel; 12, connecting piece; 121, first fixing plate; 122, second fixing plate; 123, third fixing plate; 13, PCB plate; 131, first locking hole; 2, optical piece; 21, reflecting sheet; 211, through hole; 22, light guide plate; 23, optical film sheet; 3, back plate; 31, back plate main body; 311, first fixing hole; 312, second fixing hole; 32, first edge; 321, first side edge; 322, first curled edge; 323, second side edge; 33, second edge; 331, third side edge; 332, second curled edge; 333, fourth side edge; 34, third edge; 341, fifth side edge; 342, third curled edge; 343, sixth side edge; 4, first limiting module; 41, first limiting block; 42, second limiting block; 5, lower edge strip; 51, second locking hole; 6, second limiting module; 61, third limiting block; 62, fourth limiting block; 63, fifth limiting block; 64, sixth limiting block; 7, light bar; 71, bottom plate; 711, light emitting assembly; 712, fastener; 8, film pressing sheet; 9, edge covering strip. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0027] It should be understood that, when used in the specification and the appended claims, the terms "comprise" and "include" indicate the presence of the described features, integers, steps, operations, elements, and / or components, but do not exclude one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0028] It should also be understood that the terms used in the present application specification are only for the purpose of describing particular embodiments and are not intended to limit the present application. As used in the present application specification and the appended claims, unless otherwise clearly indicated by the context, the singular forms "a", "an" and "the" are intended to include the plural forms as well.

[0029] It should be further understood that the term "and / or" used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0030] Please refer to Figures 1-2 and Figures 6-7 , Figure 1An explosion structure schematic diagram of the liquid crystal display module provided by the embodiment of the present application is provided; Figure 2 A structure schematic diagram of the back plate provided by the embodiment of the present application is provided; Figure 6 A structure schematic diagram of the lower edge strip, the second limiting module, the pressing diaphragm, the optical piece, and the lamp strip assembly provided by the embodiment of the present application is provided;

[0031] Figure 7 A structure schematic diagram of the middle A area is provided. Figure 6 As shown in the figures, Figures 1-2 and Figures 6-7 The embodiment of the present application provides a liquid crystal display module 100, which comprises a back plate 3, a first limiting module 4, an optical piece 2, a liquid crystal display panel 1, a lower edge strip 5, a second limiting module 6, and a lamp strip 7. The back plate 3 comprises a back plate body 31, a first edge 32 arranged at the left side edge of the back plate body 31, a second edge 33 arranged at the upper edge of the back plate body 31, and a third edge 34 arranged at the right side edge of the back plate body 31. The lower edge strip 5 is arranged at the lower edge of the back plate body 31. The back plate body 31, the first edge 32, the second edge 33, the third edge 34, and the lower edge strip 5 form a liquid crystal display module frame. The lamp strip 7 is arranged on the lower edge strip 5. The first limiting module 4 is arranged on the back plate body 31. The second limiting module 6 is arranged on the lower edge strip 5. The optical piece 2 is arranged in the liquid crystal display module frame through the first limiting module 4 and the second limiting module 6. The liquid crystal display panel 1 is arranged in the liquid crystal display module frame through the first limiting module 4 and the second limiting module 6.

[0032] In the embodiment, the liquid crystal display module is sequentially provided with a back plate 3, an optical piece 2 and a liquid crystal display panel 1 from bottom to top, wherein the back plate 3 comprises a back plate body 31, a first edge 32 arranged at the left side edge of the back plate body 31, a second edge 33 arranged at the upper edge of the back plate body 31 and a third edge 34 arranged at the right side edge of the back plate body 31, preferably, the back plate 3 is die-stamped from an SGCC steel plate and subjected to blackening treatment, so as to be capable of bearing the liquid crystal display panel 1 and being used for mounting the optical piece 2; a lower edge strip 5 is arranged at the lower edge of the back plate 3, preferably, the lower edge strip 5 is processed by aluminum alloy CNC and subjected to blackening treatment, and mainly plays a role of bearing the liquid crystal display panel 1 and providing a mounting position for a light bar 7; the light bar 7 is arranged on the lower edge strip 5 and is attached to the lower edge strip 5 by double-sided adhesive tape, and a light emitting side thereof is located below the optical piece 2, so as to provide a light source for the whole liquid crystal display module 100; a first limiting module 4 for limiting the positions of the liquid crystal display panel 1 and the optical piece 2 is further arranged on the back plate body 31; a second limiting module 6 for limiting the positions of the liquid crystal display panel 1 and the optical piece 2 is further arranged on the lower edge strip 5; the back plate body 31, the first edge 32, the second edge 33, the third edge 34 and the lower edge strip 5 arranged at the lower edge of the back plate body 31 are enclosed to form a liquid crystal display module frame, so that the liquid crystal display module frame forms a mounting cavity, the optical piece 2 is arranged in the liquid crystal display module frame with the mounting cavity by the first limiting module 4 on the back plate body 31 and the second limiting module 6 on the lower edge strip 5, and the liquid crystal display panel 1 is arranged in the rectangular mounting cavity of the liquid crystal display module frame by the first limiting module 4 on the back plate body 31 and the second limiting module 6 on the lower edge strip 5, and double-sided adhesive tape is attached to the lower edge strip 5 of the liquid crystal display module frame and the first edge 32, the second edge 33 and the third edge 34 of the back plate 3, so as to further limit and position, thereby playing a role of mounting the optical piece 2 and bearing the liquid crystal display panel 1.

[0033] The liquid crystal display module 100 provided in the application can limit and fix the optical piece 2, the light bar 7 and the liquid crystal display panel 1 by the first limiting module 4 and the second limiting module 6 arranged on the back plate 3 and the lower edge strip 5, without fixing the liquid crystal display panel 1 by a front frame and fixing the optical piece 2 by a middle frame, thereby reducing production cost, being convenient to install and greatly improving production efficiency.

[0034] In an embodiment, referring to Figure 1 , the liquid crystal display module 100 further comprises a wrapping strip 9, which is arranged around the periphery of the liquid crystal display module frame.

[0035] In the embodiment, in order to prevent light leakage of the LCD module 100 and protect the PCB board 13 in the LCD panel 1, four edge covering strips 9 are arranged around the LCD module frame and the LCD panel, and the four edge covering strips 9 are connected end to end and surround the LCD module frame. In the specific implementation, after all components such as the back plate 3, the optical component 2, the LCD panel 1, the lower edge strip 5 and the light bar 7 are assembled to the LCD module frame, the edge covering strips 9 are pasted on the four edges of the LCD module frame with the glue on one side. Preferably, the edge covering strips 9 are black and have glue on one side, which can prevent light leakage and buffer.

[0036] In an embodiment, referring to Figure 1 and Figures 6-7 , the optical component 2 includes a reflective sheet 21, a light guide plate 22 and an optical film 23 arranged in sequence from bottom to top.

[0037] In the embodiment, the optical component 2 includes the reflective sheet 21, the light guide plate 22 and the optical film 23. The optical component 2 can be configured according to different brightness to adjust the brightness. The reflective sheet 21, the light guide plate 22 and the optical film 23 are arranged in sequence from bottom to top in the LCD module frame. In the specific implementation, after the first limiting module 4 is pasted on the back plate 3, the optical component 2 is put into the back plate 3 from the bottom like a drawer, the two end positions of the upper edge of the optical component 2 are limited by the first limiting module 4, and the optical component 2 is pushed to be unable to move. Finally, the lower edge strip 5 is assembled to the lower edge of the back plate 3, and the two end positions of the lower edge of the optical component 2 are limited by the second limiting module 6 of the lower edge strip 5.

[0038] In an embodiment, referring to Figure 1 and Figure 3 , the LCD panel 1 includes an LCD panel 11, a connecting component 12 arranged at the bottom end of the LCD panel 11 and a PCB board 13 connected with the connecting component, and the LCD panel 11 and the PCB board 13 are parallel to each other.

[0039] In the embodiment, the liquid crystal display panel 1 comprises a liquid crystal panel 11, a connecting piece 12 and a PCB board 13. In order to make the installation convenient and the connection more stable, two connecting pieces 12 can be arranged on one liquid crystal display panel 1, and the two connecting pieces 12 are symmetrically arranged on the lower edge of the liquid crystal panel 11, and the liquid crystal panel 11 and the PCB board 13 are parallel to each other. The connecting piece 12 comprises a first fixing plate 121, a second fixing plate 122 and a third fixing plate 123 which is integrally formed with the first fixing plate 121 and the second fixing plate 122, the first fixing plate 121, the second fixing plate 122 and the third fixing plate 123 are connected with each other, the connecting piece 12 is connected with the liquid crystal panel 11 for picture display through the first fixing plate 121, the connecting piece 12 is connected with the PCB board 13 through the third fixing plate 123, the first fixing plate 121 connected with the liquid crystal panel 11 and the third fixing plate 123 connected with the PCB board 13 are connected through the second fixing plate 122, so that a fixing groove formed by connecting the liquid crystal panel 11, the connecting piece 12 and the PCB board 13 is used for assembling the liquid crystal display module frame. And the lower edge 5 is symmetrically provided with mounting grooves matched with the two connecting pieces 12, so that the liquid crystal display panel 1 can be simply and quickly fixed and installed on the back side of the back plate main body 31 of the liquid crystal display module frame through the cooperation of the connecting piece 12 and the mounting groove, and the combination of the two is more stable.

[0040] In an embodiment, referring to Figure 1 and Figure 3 , the PCB board 13 is provided with a first locking hole 131, the back plate 3 is provided with a first fixing hole 311 matched with the first locking hole 131, and the liquid crystal display panel 1 is assembled on the back plate 3 through the first locking hole 131.

[0041] In the embodiment, the PCB board 13 is a long plate type structure, three first locking holes 131 are arranged on the PCB board 13, and three first fixing holes 311 corresponding to the first locking holes 131 are arranged on the back plate 3, so that the PCB board 13 is assembled on the back side of the back plate main body 31, and the liquid crystal display panel 1 is fixed and installed on the liquid crystal display module frame. Preferably, the first locking hole 131 and the first fixing hole 311 can be threaded holes, and the PCB board 13 is locked on the back side of the back plate main body 31 by screws, so as to facilitate installation or disassembly.

[0042] In an embodiment, referring to Figure 1 and Figures 6-7 , the lower edge 5 is provided with a film pressing piece 8 for limiting the optical part 2.

[0043] In the embodiment, the pressing film 8 is a single-sided adhesive long strip, which is attached to the side of the lower edge strip 5 close to the back plate 3, thereby limiting the position of the optical member 2 between the lower edge strip 5 and the back plate 3. Preferably, the pressing film 8 is 38-degree PE cotton. In the implementation, after the lamp strip 7 and the second limiting module 6 are attached to the lower edge strip 5, the pressing film 8 is attached to the side of the lower edge strip 5 close to the back plate 3 with the adhesive side, and the other side faces the optical film 23 of the optical member 2, thereby limiting the optical film 23.

[0044] In an embodiment, referring to Figures 1-2 and Figure 8 , the first limiting module 4 includes a first limiting block 41 and a second limiting block 42. The first limiting block 41 is arranged at a first top corner formed by the first edge 32 and the second edge 33. The second limiting block 42 is arranged at a second top corner formed by the second edge 33 and the third edge 34.

[0045] In the embodiment, the first limiting block 41 of the first limiting module 4 is located at the first top corner formed by the first edge 32 and the second edge 33 of the back plate 3, and the second limiting block 42 of the first limiting module 4 is located at the second top corner formed by the second edge 33 and the third edge 34 of the back plate 3. Wherein, the upper end of the first edge 32 is provided with the first side edge 321 perpendicular to the back plate body 31, the middle of the first edge 32 is provided with the first folding edge 322 bending inwardly and parallel to the back plate body 31, and the lower end of the first edge 32 is provided with the second side edge 323 perpendicular to the back plate body 31; the left end of the second edge 33 is provided with the third side edge 331 perpendicular to the back plate body 31, the middle of the second edge 33 is provided with the second folding edge 332 bending inwardly and parallel to the back plate body 31, and the right end of the second edge 33 is provided with the fourth side edge 333 perpendicular to the back plate body 31; the upper end of the third edge 34 is provided with the fifth side edge 341 perpendicular to the back plate body 31, the middle of the third edge 34 is provided with the third folding edge 342 bending inwardly and parallel to the back plate body 31, and the lower end of the third edge 34 is provided with the sixth side edge 343 perpendicular to the back plate body 31, so that the first limiting block 41 is located at the first top corner formed by the first side edge 321 of the first edge 32 and the third side edge 331 of the second edge 33, and the second limiting block 42 is located at the second top corner formed by the fourth side edge 333 of the second edge 33 and the fifth side edge 341 of the third edge 34. In addition, the height of the first limiting block 41 and the second limiting block 42 is the same as the height of the first edge 32, the second edge 33 and the third edge 34 of the back plate 3, so that the first limiting block 41 and the second limiting block 42 constrain and fix the two ends of the upper edge of the optical member 2 located between the first folding edge 322, the second folding edge 332, the third folding edge 342, the lower edge strip 5 and the back plate body 31, and constrain and fix the two ends of the upper edge of the liquid crystal display panel 1 located above the first folding edge 322, the second folding edge 332, the third folding edge 342 and the lower edge strip 5. Preferably, the first limiting block 41 and the second limiting block 42 can be made of 30-degree silica gel, and in the specific implementation, the first limiting block 41 is pasted on the back plate body 31, and the two sides thereof are tightly attached to the first side edge 321 of the first edge 32 and the third side edge 331 of the second edge 33, respectively; the second limiting block 42 is pasted on the back plate body 31, and the two sides thereof are tightly attached to the fourth side edge 333 of the second edge 33 and the fifth side edge 341 of the third edge 34, respectively, so that the first limiting block 41 and the second limiting block 42 are fixedly installed at the first top corner and the second top corner, so as to further constrain and fix the two ends of the upper edge of the optical member 2 and the liquid crystal display panel 1.

[0046] In an embodiment, referring to Figures 1-2 and Figure 8The second limiting module 6 comprises a third limiting block 61, a fourth limiting block 62, a fifth limiting block 63 and a sixth limiting block 64. The third limiting block 61 is arranged at the left end of the lower edge strip 5 near the back plate 3. The fourth limiting block 62 is arranged at the right end of the lower edge strip 5 near the back plate 3. The fifth limiting block 63 is arranged at the left end of the lower edge strip 5 away from the back plate 3. The sixth limiting block 64 is arranged at the right end of the lower edge strip 5 away from the back plate 3.

[0047] In the embodiment, the second limiting module 6 comprises the third limiting block 61 arranged at the left end of the lower edge strip 5 near the back plate 3, the fourth limiting block 62 arranged at the right end of the lower edge strip 5 near the back plate 3, the fifth limiting block 63 arranged at the left end of the lower edge strip 5 away from the back plate 3, and the sixth limiting block 64 arranged at the right end of the lower edge strip 5 away from the back plate 3. Thus, the third limiting block 61 and the fourth limiting block 62 constrain and fix the two ends of the lower edge of the optical member 2 between the first edge 322, the second edge 332, the third edge 342, the lower edge strip 5 and the back plate body 31. The fifth limiting block 63 and the sixth limiting block 64 constrain and fix the two ends of the lower edge of the liquid crystal display panel 1 above the first edge 322, the second edge 332, the third edge 342 and the lower edge strip 5. Preferably, the third limiting block 61, the fourth limiting block 62, the fifth limiting block 63 and the sixth limiting block 64 are made of 30-degree silica gel. In the specific implementation, the third limiting block 61 and the fifth limiting block 63 are pasted on the lower edge strip 5, and one side of the third limiting block 61 and one side of the fifth limiting block 63 are tightly pasted on the second side edge 323 of the first edge 32. The fourth limiting block 62 and the sixth limiting block 64 are pasted on the lower edge strip 5, and one side of the fourth limiting block 62 and one side of the sixth limiting block 64 are tightly pasted on the sixth side edge 343 of the third edge 34. Thus, the third limiting block 61, the fourth limiting block 62, the fifth limiting block 63 and the sixth limiting block 64 are fixedly installed to further constrain and fix the two ends of the lower edge of the optical member 2 and the liquid crystal display panel 1.

[0048] In an embodiment, referring to Figure 1 and Figures 4-7 The light bar 7 comprises a bottom plate 71, a light-emitting assembly 711 and a fastener 712 arranged on the bottom plate 71. The optical member 2 is provided with a through hole 211 matched with the fastener 712.

[0049] In the embodiment, the light bar 7 serves as the light source of the entire liquid crystal display module 100, the light bar 7 comprises a bottom plate 71 and a light emitting assembly 711 and a fastener 712 arranged on the bottom plate 71, preferably, the light emitting assembly 711 is a plurality of patch mini-LEDs welded on the bottom plate 71, and the lamp beads of the patch mini-LEDs can be adjusted according to related indicators such as color gamut brightness. Four fasteners 712 with a height higher than that of the lamp beads of the patch mini-LEDs and a width narrower than that of the lamp beads of the patch mini-LEDs are arranged on the bottom plate 71, thereby supporting the light guide plate 22 and the optical film 23 on the optical piece 2, so as to avoid the light emitting assembly 711 on the light bar being squeezed and damaged, and affecting the light source. Four through holes 211 matched with the fasteners 712 are arranged on the reflecting sheet 21 of the optical piece 2, so that the light rays on the light emitting assembly 711 are only emitted to the front through the fasteners 712 and the through holes 211 matched with the fasteners 712, thereby reducing the energy loss of light.

[0050] In an embodiment, referring to Figures 1-2 and Figure 6 , the lower edge strip 5 is provided with a second locking hole 51, the lower edge of the back plate body 31 is provided with a second fixing hole 312 matched with the second locking hole 51, and the lower edge strip 5 is assembled on the lower edge of the back plate body 31 through the second locking hole 51.

[0051] In the embodiment, the lower edge strip 5 is a long strip plate structure, seven second locking holes 51 are uniformly arranged on the lower side of the lower edge strip 5, and seven second fixing holes 312 matched with the second locking holes 51 are correspondingly arranged on the lower edge of the back plate body 31, so that the lower edge strip 5 is assembled on the lower edge of the back plate body 31. Preferably, the second locking hole 51 and the second fixing hole 312 can be threaded holes, and the lower edge strip 5 is locked on the lower edge of the back plate body 31 through M2.5 countersunk screws, so as to be installed or disassembled.

[0052] In order to more clearly understand the assembly process of the present application, combined with Figures 1-8 , the installation steps are as follows:

[0053] (1) first, the light bar 7 is attached to the lower edge strip 5 through double-sided adhesive, so as to constrain the position of the light bar 7, and the third limiting block 61 and the fourth limiting block 62 on the side close to the back plate 3 of the lower edge strip 5 are attached to the lower edge strip 5, and the pressing film 8 is attached.

[0054] (2) place the back plate 3 on a plane, and attach the first limiting block 41 and the second limiting block 42 on the upper side left and right.

[0055] (3) put the optical piece 2 from the lower edge of the back plate 3 like a drawer, constrain the position through the first limiting block 41 and the second limiting block 42 on the upper side left and right, and push until it cannot move.

[0056] (4) Put the lower edge strip 5 on the lower edge of the back plate 3, and lock it on the back plate 3 by M2.5 countersunk head screws.

[0057] (5) Lock the PCB board 13 of the liquid crystal display panel 1 on the back of the back plate 3 by screws.

[0058] (6) Paste double-sided adhesive tape on the lower edge strip 5 and the first edge 32, the second edge 33 and the third edge 34 of the back plate 3.

[0059] The above description is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A liquid crystal display module, characterized in that, The device includes a back panel, a first limiting module, optical components, a liquid crystal display panel, a lower edge strip, a second limiting module, and a light strip. The back panel includes a back panel body, a first edge disposed on the left side edge of the back panel body, a second edge disposed on the upper edge of the back panel body, and a third edge disposed on the right side edge of the back panel body. The lower edge strip is disposed on the lower edge of the back panel body. The back panel body, the first edge, the second edge, the third edge, and the lower edge strip together form a liquid crystal display module frame. The light strip is disposed on the lower edge strip. The first limiting module is disposed on the back panel body. The second limiting module is disposed on the lower edge strip. The optical component is disposed within the liquid crystal display module frame via the first limiting module and the second limiting module; the liquid crystal display panel is disposed within the liquid crystal display module frame via the first limiting module and the second limiting module; The lower edge strip is detachably connected to the lower edge of the back panel body. The lower edge strip is used to support the light strip and limits the lower end of the optical component and the lower end of the liquid crystal display panel through the second limiting module. The first limiting module includes a first limiting block and a second limiting block. The first limiting block is located at the first apex corner formed by the first edge and the second edge, and the second limiting block is located at the second apex corner formed by the second edge and the third edge. The second limiting module includes a third limiting block, a fourth limiting block, a fifth limiting block, and a sixth limiting block. The third limiting block is located at the left end of the lower side strip near the back plate, the fourth limiting block is located at the right end of the lower side strip near the back plate, the fifth limiting block is located at the left end of the lower side strip away from the back plate, and the sixth limiting block is located at the right end of the lower side strip away from the back plate.

2. The liquid crystal display module according to claim 1, characterized in that, The liquid crystal display module also includes a edging strip, which is arranged around the perimeter of the liquid crystal display module frame.

3. The liquid crystal display module according to claim 1, characterized in that, The optical components include a reflective sheet, a light guide plate, and an optical film arranged sequentially from bottom to top.

4. The liquid crystal display module according to claim 1, characterized in that, The liquid crystal display panel includes a liquid crystal panel, a connector disposed at the bottom end of the liquid crystal panel, and a PCB board connected to the connector, wherein the liquid crystal panel and the PCB board are parallel to each other.

5. The liquid crystal display module according to claim 4, characterized in that, The PCB board is provided with a first locking hole, and the back plate is provided with a first fixing hole that matches the first locking hole. The liquid crystal display panel is assembled onto the back plate through the first locking hole.

6. The liquid crystal display module according to claim 1, characterized in that, The lower strip is provided with a pressure film for limiting the optical component.

7. The liquid crystal display module according to claim 1, characterized in that, The light strip includes a base plate, a light-emitting component and a fastener disposed on the base plate, and the optical component is provided with a through hole adapted to the fastener.

8. The liquid crystal display module according to claim 6, characterized in that, The lower edge strip is provided with a second locking hole, and the lower edge of the back plate body is provided with a second fixing hole that matches the second locking hole. The lower edge strip is assembled to the lower edge of the back plate body through the second locking hole.

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