CN213814194U

CN213814194U - Display device

Info

Publication number: CN213814194U
Application number: CN202120018475.9U
Authority: CN
Inventors: 胥志勇; 林福训; 唐志强; 吴超
Original assignee: Hisense Visual Technology Co Ltd
Current assignee: Hisense Visual Technology Co Ltd
Priority date: 2020-12-02
Filing date: 2021-01-05
Publication date: 2021-07-27
Anticipated expiration: 2031-01-05

Abstract

The utility model provides a display device, which comprises a middle frame, a display panel and a limiting block; the display panel is fixed on the middle frame; the display panel is used for displaying, and the edge of the display panel is connected with the flexible circuit board; the limiting blocks are detachably fixed on the middle frame, and the flexible circuit board penetrates through the adjacent limiting blocks; the limiting block comprises a fixing part detachably fixed on the outer side face of the middle frame and a limiting part protruding inwards from the front end of the fixing part, and the limiting part is located in front of the middle frame and abuts against the outer edge of the display panel. The fixed part of stopper is detachable fixes on the center, through switching the stopper of the spacing portion of unidimensional not on the center, can adapt to not unidimensional display panel. Different limiting blocks are replaced on the middle frame, so that when the display panel is compatible with display panels of different sizes, the middle frame or the back plate does not need to be redesigned or manufactured in a mold opening mode, and the production cost is reduced.

Description

Display device

Technical Field

The utility model relates to a show technical field, in particular to display device.

Background

The display device generally includes a back plate, a middle frame, a light source mold base, and a display panel. The light source module is arranged in the enclosed space of the back plate and the middle frame, and the display panel is fixed on the middle frame and positioned in front of the light source module to display image information on the display panel.

In the prior art, a common display device generally includes a plastic frame limiting member for limiting a position of a display panel, and the plastic frame limiting member is generally fixed to a back plate or a middle frame. When display panels of different sizes need to be compatible on a display device of the same appearance size, the structures of the rubber frame and the corresponding middle frame are often redesigned and manufactured in a mold opening mode, so that the production cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a display device to during compatible not unidimensional display panel, reduction in production cost.

In order to solve the technical problem, the utility model adopts the following technical scheme:

according to one aspect of the present invention, the present invention provides a display device, which includes a middle frame, a display panel and a stopper; the display panel is fixed on the middle frame; the display panel is used for displaying, and the edge of the display panel is connected with a flexible circuit board; the limiting blocks are detachably fixed on the middle frame, and the flexible circuit board penetrates through the adjacent limiting blocks; the limiting block comprises a fixing part detachably fixed on the outer side face of the middle frame and a limiting part protruding inwards from the front end of the fixing part, and the limiting part is located in front of the middle frame and abuts against the outer edge of the display panel.

In some embodiments, the display device further comprises a back plate; the middle frame is arranged around the outer periphery of the back plate; the middle frame is provided with a mounting plate which protrudes inwards, and the mounting plate is positioned in front of the back plate; the display panel is mounted on the front surface of the mounting plate; the limiting part is positioned in front of the mounting plate.

In some embodiments, the stopper further includes a catching portion protruding inward from a rear end of the fixing portion; the clamping part is abutted against the rear end of the middle frame; the limiting part is abutted against the front surface of the mounting plate.

In some embodiments, the front surface and the rear surface of the middle frame are respectively provided with a clamping groove; the clamping part and the limiting part are respectively provided with a buckle; the buckle on the limiting part is clamped in the clamping groove on the front surface of the middle frame; the buckle on the clamping part is clamped in the clamping groove on the rear surface of the middle frame.

In some embodiments, the slot extends along an edge of the middle frame; a plurality of limiting blocks are arranged at intervals along the edge of the middle frame; the buckles on the limiting parts of the limiting blocks are clamped in the same clamping groove, and the buckles on the clamping parts of the limiting blocks are clamped in the same clamping groove.

In some embodiments, the outer side surface of the middle frame is provided with a positioning hole; the inner side surface of the fixing part is convexly provided with a positioning bulge, and the positioning bulge is limited in the positioning hole.

In some embodiments, the outer side surface of the middle frame is provided with a threaded hole; the fixing part is provided with a through hole.

In some embodiments, the outer side surface of the fixing portion is provided with a recessed area, and the via hole is disposed in the recessed area.

In some embodiments, the display device further comprises a fastener; the outer side surface of the back plate is provided with a fixing hole, the middle frame is provided with a first through hole, and the fixing part is provided with a second through hole; the fastening piece sequentially penetrates through the first through hole and the second through hole to be fixed in the fixing hole, so that the limiting block and the middle frame are fixedly connected to the back plate.

In some embodiments, the display device further comprises a front housing; the front shell extends along the edge of the middle frame; the front shell is connected with the outer surface of the fixing part and has a gap with the middle frame.

In some embodiments, the front shell is provided with a third through hole, and the third through hole is coaxial with the fixing hole; the fastener passes through the third through hole to fix the front shell on the outer side surface of the fixing part.

In some embodiments, the front case includes a connection part and a capping part protruding from a front end of the connection part; the connecting part is abutted against the outer side surface of the fixing part of the limiting block; the covering part is abutted against the front end of the limiting part of the limiting block and extends inwards beyond the limiting part.

According to the above technical scheme, the utility model discloses following advantage and positive effect have at least:

the utility model discloses in, display panel installs on the center, and the spacing position of stopper is in the place ahead of center, spacing portion butt in display panel's outward flange to inject display panel's position, flexible circuit board passes from between the adjacent stopper. The fixed part of stopper is detachable fixes on the center, through switching the stopper of the spacing portion of unidimensional not on the center, can adapt to not unidimensional display panel. Different limiting blocks are replaced on the middle frame, so that when the display panel is compatible with display panels of different sizes, the middle frame or the back plate does not need to be redesigned or manufactured in a mold opening mode, and the production cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a display device according to the present invention.

Fig. 2 is a cross-sectional view at a-a in fig. 1.

Fig. 3 is a sectional view of the three-dimensional structure B-B of fig. 1, wherein the front case is not shown.

Fig. 4 is a partial schematic view of a partial structure of an embodiment of the display device of the present invention, in which the front case is not shown.

Fig. 5 is a partial cross-sectional view of another embodiment of the display device of the present invention.

Fig. 6 is a schematic view of the three-dimensional structure of the display device of the present invention, wherein the middle frame and the limiting block are matched with each other.

Fig. 7 is a schematic cross-sectional structure diagram of the display device of the present invention, wherein the middle frame and the limiting block are matched with each other.

Fig. 8 is a schematic view of a three-dimensional structure of a stopper according to an embodiment of the present invention.

Fig. 9 is a perspective view of the other viewing direction in fig. 8.

The reference numerals are explained below:

1. a back plate; 11. a fixing hole; 2. a middle frame; 21. mounting a plate; 22. a card slot; 23. a card slot; 24. positioning holes; 25. a first through hole; 26. a threaded hole; 3. a limiting block; 31. a fixed part; 32. a limiting part; 33. a fastening part; 34. buckling; 35. buckling; 36. positioning the projection; 37. a via hole; 38. a second through hole; 39. a recessed region; 4. a front housing; 41. a connecting portion; 42. a covering part; 43. a third through hole; 5. a lamp panel; 6. a membrane; 7. a display panel; 71. a flexible circuit board; 8. a fastener.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the prior art, a common display device generally includes a plastic frame limiting member for limiting a position of a display panel, and the plastic frame limiting member is generally fixed to a middle frame. When display panels of different sizes need to be compatible on a display device of the same appearance size, the structures of the rubber frame and the corresponding middle frame are often redesigned and manufactured in a mold opening mode, so that the production cost is increased.

Fig. 1 is a schematic structural diagram of an embodiment of a display device according to the present invention. Fig. 2 is a cross-sectional view at a-a in fig. 1. Fig. 3 is a sectional view of the three-dimensional structure B-B of fig. 1, wherein the front case is not shown.

For convenience of description, the display device is used in a standing state, and the direction of the display panel 7 facing the user is taken as the front, the direction of the display panel facing away from the user is taken as the rear, the direction of the display panel 7 facing the center is taken as the inner direction, and the direction of the display panel 7 away from the center is taken as the outer direction.

Referring to fig. 1 to 3, the present embodiment provides a display device, which is a direct-type light incident mode, and the display device includes a back plate 1, a middle frame 2, a limiting block 3, a front shell 4, a lamp panel 5, a diaphragm 6, and a display panel 7. The display panel 7 is a liquid crystal display panel, and the display device is a liquid crystal display device. The back plate 1, the middle frame 2, the limiting block 3 and the front shell 4 form a supporting structure of the display device. On display panel 7 was fixed in center 2, lamp plate 5 and diaphragm 6 were fixed in the front side of backplate 1, and diaphragm 6 was located display panel 7's rear, and lamp plate 5 is located diaphragm 6's rear, and lamp pearl is densely covered on lamp plate 5. Different image information is displayed on the display panel 7 by the light emission of different lamp beads on the lamp panel 5. The limiting block 3 is fixed on the middle frame 2 and abuts against the edge of the display panel 7 to limit the display panel.

The display device further comprises an electronic control module (not shown in the figure), the electronic control module is arranged on the back face of the back plate 1, and the electronic control module is connected with the flexible circuit board.

Referring to fig. 3 and 4, in this embodiment, the limiting blocks 3 are disposed at intervals along the edge of the middle frame 2, and the flexible circuit board 71 passes through the spacing between the limiting blocks 3 and is connected to the electronic control module on the back of the back panel 1.

Referring again to fig. 2 and 3, in the present embodiment, the back plate 1 has a composite plate having a flat plate shape and a frame surrounding the outer periphery of the composite plate, and the middle frame 2 is fixed to the frame. The outer side of the back plate 1 is provided with a fixing hole 11, and the inner circumference of the fixing hole 11 is provided with an internal thread to be capable of being screwed in the fixing hole 11 by the fastener 8.

Lamp plate 5 is fixed in the inboard of backplate 1, and diaphragm 6 is fixed on backplate 1 and is located the place ahead of lamp plate 5.

In this embodiment, the back plate 1 is formed by punching, the back plate 1 is a whole, and a wing plate is formed on the outer periphery of the back plate for connecting the middle frame 2. The lateral surface of backplate 1 is provided with fixed orifices 11, and fixed orifices 11 run through the wall thickness of backplate 1, and the inner periphery of fixed orifices 11 is provided with the internal thread to can be through fastener 8 threaded connection in fixed orifices 11.

In some embodiments, the inside of the perimeter wall of the back plate 1 is provided with a corresponding nut, to which the fastener 8 is screwed.

Fig. 6 is a schematic view of the three-dimensional structure of the display device of the present invention, wherein the middle frame and the limiting block are matched with each other. Fig. 7 is a schematic cross-sectional structure diagram of the display device of the present invention, wherein the middle frame and the limiting block are matched with each other.

Referring to fig. 6 and 7, the middle frame 2 surrounds the periphery of the backplate 1 and extends along the edge of the backplate 1. The middle frame 2 is provided with a mounting plate 21 which protrudes inwards, the mounting plate 21 is positioned in front of the membrane 6, and the membrane 6 can be pressed on the back plate 1.

In this embodiment, the mounting plate 21 protrudes from the front end of the middle frame 2, and the front surfaces of the mounting plates 21 are located in the same plane, so that the front end of the middle frame 2 is a plane. The display panel 7 may be fixed and mounted on the front surface of the mounting plate 21 by means of bonding or bolts.

In this embodiment, the front surface of the middle frame 2 is provided with a clamping groove 22 for being clamped and limited by the limiting block 3.

In this embodiment, the inner side of the rear end of the middle frame 2 is provided with a notch, and a clamping groove 23 is formed on the rear surface of the middle frame 2 and used for being clamped and limited by the limiting block 3.

In some embodiments, the end surface of the rear surface of the middle frame 2 is provided with a groove to form the locking groove 23.

In this embodiment, the engaging

grooves

22 and 23 extend along the edge of the middle frame 2, so that the engaging

grooves

22 and 23 on the front surface and the rear surface of the middle frame 2 are both continuously extending structures.

The outer side surface of the middle frame 2 is provided with a positioning hole 24, a first through hole 25 and a threaded hole 26. The first through hole 25 penetrates through the wall thickness of the middle frame 2 and is communicated with the fixing hole 11 on the back plate 1, and the inner periphery of the threaded hole 26 is provided with internal threads.

Fig. 8 is a schematic view of a three-dimensional structure of a stopper according to an embodiment of the present invention. Fig. 9 is a perspective view of the other viewing direction in fig. 8.

Referring to fig. 6 to 9, the stopper 3 is detachably fixed to the outer side surface of the middle frame 2. The stopper 3 includes a fixing portion 31 detachably fixed to the outer side surface of the middle frame 2, a stopper portion 32 protruding inward from the front end of the fixing portion 31, and an engaging portion 33 protruding inward from the rear end of the fixing portion 31.

The stopper portion 32 projects forward beyond the mounting plate 21 of the center frame 2 so that the stopper portion 32 is located forward of the mounting plate 21.

In the present embodiment, the stopper 32 abuts against the front surface of the mounting plate 21 and the outer edge of the display panel 7, and the position of the display panel 7 is defined by the abutment of the stopper 32.

In this embodiment, a buckle 34 is disposed on the rear surface of the limiting portion 32, and the buckle 34 is engaged with the slot 22.

In some embodiments, the front end of the middle frame 2 is forward beyond the mounting plate 21, so that a step is formed between the front end of the middle frame 2 and the mounting plate 21, and the catch 34 on the stopper 32 is caught at the step.

In this embodiment, the engaging portion 33 abuts against the rear surface of the center frame 2, and the stopper 3 can be restricted from moving in the front-rear direction by the abutment of the stopper portion 32 of the stopper 3 against the front surface of the center frame 2 and the abutment of the engaging portion 33 against the rear surface of the center frame 2.

In this embodiment, the front surface of the engaging portion 33 is provided with a catch 35, and the catch 35 is engaged with the engaging groove 23 on the rear surface of the middle frame 2.

In this embodiment, the limiting block 3 is made of plastic material, such as Polycarbonate (PC), polyvinyl chloride (PVC) and Polyethylene (PE), so that the limiting block 3 has elasticity. In the process of clamping the limiting block 3 on the middle frame 2, the limiting block 3 is pressed from the outer side of the limiting block 3, so that the limiting block 3 and the middle frame 2 can be clamped quickly.

The plastic material of the limiting block 3 can have a certain buffering effect on the display panel 7, so that the display panel 7 can be effectively packaged.

In this embodiment, the inner side surface of the fixing portion 31 of the limiting block 3 is convexly provided with a positioning protrusion 36, the positioning protrusion 36 is matched with the positioning hole 24 on the middle frame 2, and the positioning protrusion 36 protrudes and is limited in the positioning hole 24 to limit the relative position of the limiting block 3 on the middle frame 2.

In this embodiment, the fixing portion 31 of the stopper 3 is further provided with a through via hole 37, and the through via hole 37 and the threaded hole 26 on the middle frame 2. The screw or bolt threads penetrate through the through hole 37 and are in threaded connection with the threaded hole 26, so that the limiting block 3 is fixed on the middle frame 2.

In this embodiment, the outer side surface of the fixing portion 31 of the limiting block 3 is provided with a recessed area 39, and the via hole 37 is disposed in the recessed area 39, so that the outer end of the screw or the bolt penetrating through the via hole 37 does not exceed the outer side surface of the fixing portion 31, and the screw or the bolt does not interfere with the front shell 4.

In some embodiments, the vias 37 are provided directly as counterbores.

In this embodiment, the fixing portion 31 of the stopper 3 has a second through hole 38, and the second through hole 38 is communicated with the first through hole 25.

In some embodiments, the fastening member 8 is sequentially fixed in the fixing hole 11 through the first through hole 25 and the second through hole 38, so that the limiting block 3 and the middle frame 2 are fixedly connected to the back plate 1.

Fig. 8 is a partial schematic view of a part of the structure of the display device of the present invention, in which a middle frame, a limiting block and a display panel are illustrated.

Referring to fig. 3 to 7 again, since the

slots

22 and 23 on the middle frame 2 extend along the edge of the middle frame 2, the fasteners 34 on the limiting portions 32 of the plurality of limiting blocks 3 are fastened in the same slot 22, and the fasteners 35 on the fastening portions 33 of the plurality of limiting blocks 3 are fastened in the same slot 23. The limiting block 3 or the

buckles

34 and 35 on the limiting block 3 can be set to different lengths along the edge direction of the middle frame 2, and the installation limit of the limiting block 3 on the middle frame 2 is not affected.

Referring again to fig. 1, the front case 4 extends along the edge of the middle frame 2; the front case 4 is in contact with the outer surface of the fixing portion 31 with a space from the center frame 2.

In this embodiment, the front case 4 includes a connecting portion 41 attached to the outer side surface of the fixing portion 31 of the stopper 3 and a covering portion 42 protruding inward from the front end of the connecting portion 41; the covering portion 42 abuts on the front end of the stopper portion 32 of the stopper 3.

The covering portion 42 of the front case 4 inwardly exceeds the stopper portion 32 to cover the outer edge of the display panel 7.

The connecting portion 41 of the front case 4 abuts against the fixing portion 31 of the stopper 3, and the covering portion 42 of the front case 4 abuts against the limiting portion 32 of the stopper 3, so that a space is provided between the front case 4 and the middle frame 2 for the flexible circuit board 71 of the display panel 7 to pass through.

In this embodiment, the front shell 4 has a third through hole 43, specifically, the connecting portion 41 of the front shell 4 has a third through hole 43, the third through hole 43 is coaxial with the fixing hole 11, and the fastening member 8 passes through the third through hole 43 to fix the front shell 4 on the outer side surface of the fixing portion 31.

In this embodiment, the fastener 8 passes the third through-hole 43 on the preceding shell 4, the second through-hole 38 on the stopper 3 and the first through-hole 25 on the center 2 in proper order and threaded connection is in fixed orifices 11 for preceding shell 4 and center 2 are all fixed in on backplate 1 through fastener 8, and the effectual independent installation of preceding shell 4 and center 2 of having avoided, the installation procedure of simplification has improved production efficiency.

In other embodiments, the front shell 4 is attached to the stopper 3 by gluing or screwing.

The utility model discloses in, display panel 7 installs in the mounting panel 21 front surface of center 2, and stopper 3's spacing portion 32 is located mounting panel 21 the place ahead, and spacing portion 32 butt is in display panel 7's outward flange to inject display panel 7's position. The front case 4 has a space from the middle frame 2 for passing a flexible circuit board 71 connected to the edge of the display panel 7. The fixing part 31 of the limiting block 3 is detachably fixed on the middle frame 2, and the limiting block 3 of the limiting part 32 with different sizes is switched on the middle frame 2, so that the display panel 7 with different sizes can be adapted. Different limiting blocks 3 are replaced on the middle frame 2, so that the middle frame 2 or the back plate 1 does not need to be redesigned or manufactured in a mold opening mode when the display panel 7 with different sizes is compatible, and the production cost is reduced.

According to the size of display panel 7, set the spacing portion 32 of stopper 3 to corresponding size to can effectually avoid the display panel 7 equipment, transport and transport turnover process's fragment, effectively guarantee display panel 7's safety.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A display device, comprising:

a middle frame;

a display panel fixed to the middle frame; the display panel is used for displaying, and the edge of the display panel is connected with a flexible circuit board;

the limiting blocks are detachably fixed on the middle frame, and the flexible circuit board penetrates through the adjacent limiting blocks; the limiting block comprises a fixing part detachably fixed on the outer side face of the middle frame and a limiting part protruding inwards from the front end of the fixing part, and the limiting part is located in front of the middle frame and abuts against the outer edge of the display panel.

2. The display device of claim 1, further comprising a back plate; the middle frame is arranged around the outer periphery of the back plate; the middle frame is provided with a mounting plate which protrudes inwards, and the mounting plate is positioned in front of the back plate; the display panel is mounted on the front surface of the mounting plate; the limiting part is positioned in front of the mounting plate.

3. The display device according to claim 2, wherein the stopper further includes a catching portion protruding inward from a rear end of the fixing portion; the clamping part is abutted against the rear end of the middle frame; the limiting part is abutted against the front surface of the mounting plate.

4. The display device according to claim 3, wherein a front surface and a rear surface of the middle frame are respectively provided with a card slot; the clamping part and the limiting part are respectively provided with a buckle; the buckle on the limiting part is clamped in the clamping groove on the front surface of the middle frame; the buckle on the clamping part is clamped in the clamping groove on the rear surface of the middle frame.

5. The display device according to claim 4, wherein the card slot extends along an edge of the middle frame; a plurality of limiting blocks are arranged at intervals along the edge of the middle frame; the buckles on the limiting parts of the limiting blocks are clamped in the same clamping groove, and the buckles on the clamping parts of the limiting blocks are clamped in the same clamping groove.

6. The display device according to claim 2, wherein a positioning hole is provided on an outer side surface of the middle frame; the inner side surface of the fixing part is convexly provided with a positioning bulge, and the positioning bulge is limited in the positioning hole.

7. The display device according to claim 2, wherein the outer side face of the middle frame is provided with a threaded hole; the fixing part is provided with a through hole.

8. The display device according to claim 7, wherein a recessed area is disposed on an outer side surface of the fixing portion, and the via hole is disposed in the recessed area.

9. The display device of claim 2, further comprising a fastener; the outer side surface of the back plate is provided with a fixing hole, the middle frame is provided with a first through hole, and the fixing part is provided with a second through hole; the fastening piece sequentially penetrates through the first through hole and the second through hole to be fixed in the fixing hole, so that the limiting block and the middle frame are fixedly connected to the back plate.

10. The display device according to claim 9, further comprising a front case; the front shell extends along the edge of the middle frame; the front shell is connected with the outer surface of the fixing part and has a gap with the middle frame.

11. The display device according to claim 10, wherein the front housing has a third through hole, and the third through hole is coaxial with the fixing hole; the fastener passes through the third through hole to fix the front shell on the outer side surface of the fixing part.

12. The display device according to claim 10, wherein the front case includes a connection portion and a covering portion protruding from a front end of the connection portion; the connecting part is abutted against the outer side surface of the fixing part of the limiting block; the covering part is abutted against the front end of the limiting part of the limiting block and extends inwards beyond the limiting part.