CN211786482U - Wide-screen display liquid crystal module - Google Patents

Abstract

The utility model relates to the technical field of liquid crystal modules, in particular to a wide-screen display liquid crystal module, which adopts the technical scheme that the wide-screen display liquid crystal module comprises a frame, a touch screen, a liquid crystal screen and a back plate which are arranged in sequence along the thickness direction, wherein one end of the frame, which is close to the touch screen, is provided with a mounting groove, and the touch screen is arranged in the mounting groove; a fixing frame is arranged between the back plate and the liquid crystal screen, a first flexible flat cable circuit board is arranged on one side of the liquid crystal screen, the fixing frame is arranged between the liquid crystal screen and the first flexible flat cable circuit board, and a fixing part used for fixing the frame and the back plate is arranged between the frame and the back plate. The touch screen is located the mounting groove, plays fixed effect to the touch screen, puts up liquid crystal display and regulation through connecting piece and first soft winding displacement circuit board and fixes together, fixes frame, mount and backplate together through the mounting at last, can be in the same place touch screen and liquid crystal display are fixed to can effectively improve the whole steadiness of touch screen and LCD module.

Description

Wide-screen display liquid crystal module

Technical Field

The utility model belongs to the technical field of the LCD module technique and specifically relates to a wide screen display LCD module is related to.

Background

With the development of modern society, many articles used by people need various liquid crystal modules for display. The liquid crystal module can be applied to products such as calculators, mobile phones, electronic dictionaries, electronic notepads, PDAs, GPS, electronic cameras, electronic video cameras, portable computers, portable intelligent instruments and the like. When the liquid crystal module is used, a touch screen is often used. The touch screen is an induction type liquid crystal display device capable of receiving input signals such as a contact and the like, occupied space of keys can be reduced, simplification of input is achieved, however, the touch screen is not fixed well, and the touch screen on the market is pasted outside a module through glue at present.

The current chinese patent with the grant publication number of CN202102199U discloses a liquid crystal module based on touch-sensitive screen, including touch-sensitive screen, display screen, board and PET membrane in a poor light, the lower surface of touch-sensitive screen passes through the viscose and bonds with the display screen, and the display screen setting is on the board in a poor light, and the upper surface and the PET membrane of touch-sensitive screen bond, be provided with on the board in a poor light be used for with casing complex buckle.

However, the above-mentioned prior art has the following drawbacks: the touch-sensitive screen only passes through the viscose bonding in the display screen outside, there is not fixed knot to be constructed, long-term back of using because the self action of gravity and the user of touch-sensitive screen press the touch-sensitive screen for a long time, operations such as slip, make touch-sensitive screen and LCD screen produce relative movement's trend easily, thereby lead to the bonding effect of viscose to descend between touch-sensitive screen and the display screen easily, thereby take place easily and make the phenomenon that touch-sensitive screen and display screen take place the dislocation, make LCD module's whole steadiness relatively poor, thereby influence LCD module's normal use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a wide screen display liquid crystal module, its whole steadiness that can effectively improve liquid crystal module.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a wide-screen display liquid crystal module comprises a frame, a touch screen, a liquid crystal screen and a back plate which are sequentially arranged along the thickness direction, wherein one end of the frame, which is close to the touch screen, is provided with a mounting groove, and the touch screen is arranged in the mounting groove; the liquid crystal display is characterized in that a fixing frame is arranged between the back plate and the liquid crystal screen, a first flexible flat cable circuit board is arranged on one side, close to the back plate, of the liquid crystal screen, a connecting piece used for fixing the liquid crystal screen and the first flexible flat cable circuit board is connected between the top end of the liquid crystal screen and the first flexible flat cable circuit board, the fixing frame is arranged between the liquid crystal screen and the first flexible flat cable circuit board, and a fixing piece used for fixing the frame and the back plate is arranged between the frame and the back plate.

By adopting the technical scheme, when the touch screen is installed, the touch screen is firstly placed in the installation groove to fix the touch screen, then the liquid crystal screen is fixed on the fixing frame through the connecting piece and the first flexible flat cable circuit board, the touch screen is abutted against the liquid crystal screen, and after the liquid crystal screen is fixed, the liquid crystal screen can be prevented from moving and driving the touch screen to move, so that the connection stability of the touch screen can be further improved; and finally, the frame, the fixing frame and the back plate are fixed together through the fixing piece, so that the touch screen and the liquid crystal screen can be firmly fixed together, and the overall stability of the liquid crystal module can be effectively improved. And the touch screen is arranged in the mounting groove, so that the situation that the touch screen and the display screen are staggered can be further avoided, and the normal use of the touch screen and the liquid crystal screen can be facilitated. On the other hand, the touch screen is located the mounting groove, has effectively reduced holistic thickness to can be convenient for liquid crystal module's use and transportation.

The present invention may be further configured in a preferred embodiment as: and a fixing block is arranged between every two adjacent connecting pieces and is connected with the top end of the fixing frame.

Through adopting above-mentioned technical scheme, the LCD screen sets up in the holding tank, can further play fixed effect to the LCD screen, can firmly fix the LCD screen to can further improve the whole steadiness of LCD module. On the other hand, the occupied space of the liquid crystal screen is saved, and the overall thickness is further reduced.

The present invention may be further configured in a preferred embodiment as: the top of mount is provided with a plurality of fixed blocks, the connecting piece sets up between two adjacent fixed blocks.

Through adopting above-mentioned technical scheme, the connecting piece setting can play spacing effect to the LCD screen between two adjacent fixed blocks, avoids the phenomenon that the LCD screen appears removing to can further improve the steadiness of LCD screen and LCD module.

The present invention may be further configured in a preferred embodiment as: the top of mount is provided with the fixed plate, the top of fixed plate is run through and is provided with the constant head tank that supplies the fixed block to stretch into, the connecting piece sets up between fixed plate and mount.

Through adopting above-mentioned technical scheme, the fixed plate offsets with the connecting piece, can play spacing effect to the connecting piece, can avoid LCD screen, connecting piece, the condition that the removal appears in first soft winding displacement circuit board to can further improve the connection stability of LCD screen, and then can improve the whole steadiness of LCD module.

The present invention may be further configured in a preferred embodiment as: the positioning groove extends to one end, far away from the back plate, of the fixing plate, and a positioning block is arranged at the bottom of the fixing plate and at one end, close to the back plate, of the fixing plate; the top of mount is provided with the spread groove, the spread groove extends to the mount and is close to the one end of backplate, the locating piece sets up in the spread groove.

Through adopting above-mentioned technical scheme, the locating piece setting can strengthen the intensity and the connection stability of fixed plate in the spread groove, avoids the fixed plate to receive to damage the back and can not play fixed effect to the LCD screen.

The present invention may be further configured in a preferred embodiment as: the fixing frame is characterized in that a gap is formed between the fixing block and the adjacent connecting piece, a first arc-shaped block is arranged on the top end of the fixing frame and between the fixing block and the adjacent connecting piece, and the first arc-shaped block is connected with the fixing block.

By adopting the technical scheme, the flexible flat cable of the liquid crystal screen can be placed in the gap between the fixing block and the connecting piece, so that the space can be further saved. The flexible flat cable of the liquid crystal screen can be prevented from being damaged due to the arrangement of the first arc-shaped blocks.

The present invention may be further configured in a preferred embodiment as: the fixing block is provided with a positioning hole in a penetrating mode, the fixing plate is provided with a mounting hole corresponding to the positioning hole, and a first bolt is arranged in the positioning hole and the mounting hole.

Through adopting above-mentioned technical scheme, can firmly fix fixed block and fixed plate through first bolt to can further improve the connection steadiness of LCD screen. And the arrangement of the first bolt can facilitate the installation and the disassembly of the liquid crystal screen.

The present invention may be further configured in a preferred embodiment as: the frame is provided with connecting holes in a penetrating manner, and the fixing frames are provided with through holes corresponding to the connecting holes; the fixing piece comprises a second bolt, and the second bolt penetrates through the connecting hole and the corresponding through hole to be connected with the back plate.

Through adopting above-mentioned technical scheme, can firmly fix frame, mount and backplate through the second bolt to can further improve the whole steadiness of touch-sensitive screen and LCD module. And the installation and the dismantlement of touch-sensitive screen and LCD screen can be convenient for to the setting of second bolt.

The present invention may be further configured in a preferred embodiment as: the connecting hole is including the accommodation hole that sets gradually and place the hole, the accommodation hole is close to the aperture of placing hole one end and equals with the aperture of placing the hole, the accommodation hole is kept away from the aperture of placing hole one end and is greater than the aperture of placing the hole.

Through adopting above-mentioned technical scheme, the accommodation hole with place the setting in hole for the head of second bolt sinks in the accommodation hole, can avoid the head of second bolt to stretch out and cause the damage to the staff.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the mounting groove, the fixing frame and the first flexible flat cable circuit board, the situation that the touch screen is staggered can be avoided, and therefore the overall stability of the touch screen and the liquid crystal module can be effectively improved;

2. the connection stability of the liquid crystal display can be further improved through the arrangement of the fixing plate and the positioning grooves;

3. through the setting of first bolt and second bolt, can further improve the whole steadiness of high touch-sensitive screen and LCD screen.

Drawings

Fig. 1 is a schematic view of the overall structure shown in the embodiment of the present invention;

fig. 2 is an exploded view of a liquid crystal module according to an embodiment of the present invention;

fig. 3 is another exploded view of an embodiment of the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 2;

fig. 6 is a cross-sectional view of a liquid crystal module according to an embodiment of the present invention;

FIG. 7 is an enlarged view of portion C of FIG. 6;

fig. 8 is an enlarged view of portion D of fig. 6;

fig. 9 is an enlarged view of a portion E in fig. 6.

In the figure, 1, frame; 2. a touch screen; 3. a liquid crystal screen; 4. a back plate; 5. mounting grooves; 6. a fixed mount; 61. accommodating grooves; 62. a groove; 7. a first flexible flat cable circuit board; 72. a connecting member; 73. a support plate; 74. connecting plates; 75. a support plate; 76. a receiving groove; 77. an inner cavity; 8. a fixed block; 9. a first arc-shaped block; 91. a second arc-shaped block; 10. a fixing plate; 11. positioning a groove; 12. positioning blocks; 13. connecting grooves; 14. a second flexible flat cable circuit board; 15. a yielding groove; 16. a placement groove; 17. a third flexible flat cable circuit board; 18. fixing grooves; 19. a light strip; 20. positioning holes; 21. mounting holes; 22. connecting holes; 23. a through hole; 26. an accommodation hole; 27. placing holes; 28. a first bolt; 29. and a second bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a wide screen display liquid crystal module, include frame 1, touch-sensitive screen 2, LCD screen 3 and backplate 4 that set gradually along liquid crystal module thickness direction.

Referring to fig. 2 and 3, the frame 1 is provided with a mounting groove 5 at a side surface thereof adjacent to the touch screen 2, and the touch screen 2 is disposed in the mounting groove 5. Be provided with mount 6 between backplate 4 and LCD screen 3, mount 6 is provided with holding tank 61 near the one end of LCD screen 3, and LCD screen 3 sets up in holding tank 61. The fixing frame 6 is provided with a groove 62 communicating with the accommodating groove 61 above the accommodating groove 61, and the groove 62 extends to the top end of the fixing frame 6.

Referring to fig. 3 and 4, a plurality of fixing blocks 8 are disposed at the top end of the fixing frame 6, and the fixing blocks 8 are uniformly distributed along the length direction of the fixing frame 6. The top of mount 6 is provided with a plurality of connecting grooves 13, and connecting groove 13 is provided with a plurality ofly, and connecting groove 13 is corresponding with a plurality of fixed blocks 8, and connecting groove 13 is located and corresponds one side that fixed block 8 is close to backplate 4, and connecting groove 13 extends to one side that mount 6 is close to backplate 4.

Referring to fig. 3 and 4, a first flexible flat cable circuit board 7 is disposed on a side of the liquid crystal display 3 close to the back plate 4, specifically, the first flexible flat cable circuit board 7 is a flexible circuit board, and the flexible circuit board is a flexible printed circuit board made of polyimide or polyester film as a base material and having high reliability and excellent flexibility. The connecting pieces 72 are connected between the top end of the liquid crystal screen 3 and the first flexible flat cable circuit board 7, the connecting pieces 72 are arranged in a plurality, the connecting pieces 72 are evenly distributed along the length direction of the liquid crystal screen 3, the connecting pieces 72 are arranged between two corresponding adjacent fixing blocks 8, and gaps are formed between the connecting pieces 72 and the corresponding adjacent fixing blocks 8.

Referring to fig. 5, in the present embodiment, the connecting member 72 includes a support plate 73, a link plate 74, and a support plate 75, the support plate 73 and the link plate 74 are both disposed in the vertical direction, and the support plate 75 is disposed in the horizontal direction and between the support plate 73 and the link plate 74. The bottom end of the supporting plate 73 is connected with the liquid crystal screen 3, the top end of the supporting plate 73 is connected with the supporting plate 75, the bottom end of the connecting plate 74 is connected with the first flexible flat cable circuit board 7, and the top end of the connecting plate 74 is connected with the supporting plate 75. The bottom end of the support plate 75, the top end of the support plate 73 and the top end of the connecting plate 74 form an inner cavity 77, and the upper portion of the inner cavity 77 is trapezoidal.

Referring to fig. 4 and 5, the top end of the fixing frame 6 between two adjacent fixing blocks 8 is disposed in the inner cavity 77 and is adapted to the shape of the inner cavity 77. The side surface of the fixing frame 6 close to the back plate 4 is provided with a receiving groove 76, the receiving groove 76 extends to the top end of the fixing frame 6, and the first flexible flat cable circuit board 7 is arranged in the receiving groove 76.

Referring to fig. 3 and 4, the top end of the fixing frame 6 is provided with a first arc-shaped block 9 between the fixing block 8 and the adjacent connecting piece 72, the first arc-shaped block 9 and the corresponding fixing block 8 are integrally formed, the fixing block 8 is not in contact with the adjacent connecting piece 72, and the flexible flat cable of the liquid crystal display 3 can be conveniently placed. The top of mount 6 and along its length direction's both sides all are provided with second arc piece 91, second arc piece 91 and mount 6 integrated into one piece. First arc piece 9 all is the arc setting with second arc piece 91, can effectively avoid the soft winding displacement of LCD screen 3 to receive the damage.

Referring to fig. 6 and 7, when the fixing frame 6 and the liquid crystal panel 3 are installed, the fixing frame 6 is arranged between the liquid crystal panel 3 and the first flexible flat cable circuit board 7, the connecting piece 72 is arranged between two adjacent fixing blocks 8 (refer to fig. 4), the liquid crystal panel 3 is arranged in the accommodating groove 61, the supporting plate 73 is arranged in the groove 62, the first flexible flat cable circuit board 7 and the connecting plate 74 are arranged in the accommodating groove 76, and the connection stability between the fixing frame 6 and the liquid crystal panel 3 can be effectively improved.

Referring to fig. 4, a fixing plate 10 is disposed at the top of the fixing frame 6, positioning grooves 11 for the fixing blocks 8 to extend into are disposed through the top end of the fixing plate 10, and the positioning grooves 11 extend to one end of the fixing plate 10 far away from the back plate 4. A plurality of positioning blocks 12 are disposed at the bottom of the fixing plate 10 and at one end close to the back plate 4, and the positioning blocks 12 are disposed in the corresponding connecting slots 13.

Referring to fig. 4, a positioning hole 20 is formed through the fixing block 8, a mounting hole 21 corresponding to the positioning hole 20 is formed through the fixing plate 10, and a first bolt 28 is disposed in the positioning hole 20 and the mounting hole 21 for firmly fixing the fixing frame 6 and the fixing plate 10.

Referring to fig. 3 and 4, after the liquid crystal panel 3 and the fixing frame 6 are mounted, the fixing plate 10 is placed at the top of the fixing frame 6, so that the fixing block 8 extends into the corresponding positioning groove 11, meanwhile, the positioning block 12 extends into the corresponding connecting groove 13, and then the fixing block 8 and the fixing plate 10 are firmly fixed by the first bolt 28. At this time, the connecting member 72 is positioned between the fixing plate 10 and the fixing frame 6, so that the connecting member 72 and the liquid crystal panel 3 can be further firmly fixed.

Referring to fig. 8, a yielding groove 15 is disposed on the fixing frame 6 and below the accommodating groove 61, a placing groove 16 is disposed on a side surface of the fixing frame 6 close to the back plate 4, and the placing groove 16 is communicated with the yielding groove 15. The bottom end of the touch screen 2 is provided with a third flexible flat cable circuit board 17.

Referring to fig. 8, a second flexible flat cable circuit board 14 is disposed on the back plate 4, the second flexible flat cable circuit board 14 is disposed in the placement groove 16, a bottom end of the second flexible flat cable circuit board 14 is bent toward the fixing frame 6 and extends into the abdicating groove 15, and a third flexible flat cable circuit board 17 also extends into the abdicating groove 15. In the present embodiment, the second flexible flat cable circuit board 14 and the third flexible flat cable circuit board 17 are both flexible circuit boards.

Referring to fig. 8, a fixing groove 18 is formed in one side of the fixing frame 6 close to the back plate 4, a lamp strip 19 is disposed in the fixing groove 18, and the lamp strip 19 is connected to the first flexible flat cable circuit board 7.

Referring to fig. 9, the frame 1 is provided with a connection hole 22, the fixing frame 6 (see fig. 4) is provided with a through hole 23 (see fig. 4) corresponding to the connection hole 22, and a fixing member is disposed between the frame 1 and the back plate 4, in this embodiment, the fixing member includes a second bolt, and the second bolt passes through the connection hole 22 and the corresponding through hole 23, and passes through the back plate 4, so that the frame 1, the fixing frame 6, and the back plate 4 can be firmly fixed. Specifically, the connection hole 22 includes a receiving hole 26 and a placing hole 27 which are arranged in this order, the aperture of the receiving hole 26 at the end close to the placing hole 27 is equal to the aperture of the placing hole 27, and the aperture of the receiving hole 26 at the end far from the placing hole 27 is larger than the aperture of the placing hole 27.

The implementation principle of the embodiment is as follows:

when the installation, at first place touch-sensitive screen 2 in mounting groove 5, play fixed effect to touch-sensitive screen 2, then installation mount 6 and LCD screen 3 for mount 6 sets up between LCD screen 3 and first flexible flat cable circuit board 7, and connecting piece 72 sets up between two adjacent fixed blocks 8, and LCD screen 3 sets up in holding tank 61, and backup pad 73 sets up in recess 62, and first flexible flat cable circuit board 7 and even board 74 set up in accomodating groove 76. At this time, the touch panel 2 abuts against the liquid crystal panel 3.

After the fixing frame 6 and the liquid crystal screen 3 are installed, the fixing plate 10 is placed at the top of the fixing frame 6, the fixing block 8 extends into the positioning groove 11, the positioning block 12 extends into the connecting groove 13, the fixing plate 10 and the fixing frame 6 are fixed through the first bolt 28, and finally the frame 1, the fixing frame 6 and the back plate 4 are fixed together through the second bolt 29, so that the overall stability of the liquid crystal module can be effectively improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a wide screen display liquid crystal module which characterized in that: the liquid crystal display panel comprises a frame (1), a touch screen (2), a liquid crystal screen (3) and a back plate (4) which are sequentially arranged along the thickness direction of a liquid crystal module, wherein a mounting groove (5) is formed in the side surface, close to the touch screen (2), of the frame (1), and the touch screen (2) is arranged in the mounting groove (5); be provided with mount (6) between backplate (4) and LCD screen (3), one side that LCD screen (3) are close to backplate (4) is provided with first soft arranging wire circuit board (7), be connected with connecting piece (72) that are used for fixed LCD screen (3) and first soft arranging wire circuit board (7) between the top of LCD screen (3) and first soft arranging wire circuit board (7), mount (6) set up between LCD screen (3) and first soft arranging wire circuit board (7), be provided with the mounting that is used for fixed frame (1) and backplate (4) between frame (1) and backplate (4).

2. The liquid crystal module for wide screen display according to claim 1, wherein: the side that mount (6) are close to LCD screen (3) is provided with holding tank (61), LCD screen (3) set up in holding tank (61).

3. The liquid crystal module for wide screen display according to claim 1, wherein: and a fixing block (8) is arranged between every two adjacent connecting pieces (72), and the fixing block (8) is connected with the top end of the fixing frame (6).

4. The liquid crystal module for wide screen display according to claim 3, wherein: the top of mount (6) is provided with fixed plate (10), the top of fixed plate (10) is run through and is provided with constant head tank (11) that supply fixed block (8) to stretch into, connecting piece (72) set up between fixed plate (10) and mount (6).

5. The liquid crystal module for wide screen display according to claim 4, wherein: the positioning groove (11) extends to one end, far away from the back plate (4), of the fixing plate (10), and a positioning block (12) is arranged at the bottom of the fixing plate (10) and at one end, close to the back plate (4); the top of mount (6) is provided with connecting groove (13), connecting groove (13) extend to the one end that mount (6) are close to backplate (4), locating piece (12) set up in connecting groove (13).

6. The liquid crystal module for wide screen display according to claim 3, wherein: the fixing device is characterized in that a gap is reserved between the fixing block (8) and the adjacent connecting piece (72), a first arc-shaped block (9) is arranged at the top end of the fixing frame (6) and between the fixing block (8) and the adjacent connecting piece (72), and the first arc-shaped block (9) is connected with the fixing block (8).

7. The liquid crystal module for wide screen display according to claim 4, wherein: the fixing block (8) is provided with a positioning hole (20) in a penetrating mode, the fixing plate (10) is provided with a mounting hole (21) corresponding to the positioning hole (20), and a first bolt (28) is arranged in the positioning hole (20) and the mounting hole (21).

8. The liquid crystal module for wide screen display according to claim 1, wherein: a connecting hole (22) is arranged on the frame (1) in a penetrating manner, and a through hole (23) corresponding to the connecting hole (22) is arranged on the fixing frame (6); the fixing piece is provided with a second bolt (29), and the second bolt (29) penetrates through the connecting hole (22) and the corresponding through hole (23) to be connected with the back plate (4).

9. The liquid crystal module for wide screen display according to claim 8, wherein: the connecting hole (22) comprises an accommodating hole (26) and a placing hole (27) which are arranged in sequence, the aperture of one end, close to the placing hole (27), of the accommodating hole (26) is equal to that of the placing hole (27), and the aperture of one end, far away from the placing hole (27), of the accommodating hole (26) is larger than that of the placing hole (27).

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