CN101408682A - Protecting device of display module group driver - Google Patents

Abstract

A protection device for a display module driver, comprising a protective cover, the protective cover positions the driver between the back plate of the display module and the protective cover, the protective cover includes a top surface and a plurality of downward extending The sides of the first side are provided with a plurality of outwardly extending tongue-shaped engaging structures parallel to the top of the protective cover at intervals, and the front part of the tongue-shaped engaging structures is provided with a bump; the back A plurality of uplift fixing devices are arranged at intervals on the board, and a through hole is opened on the top of the uplift fixing device, and the through hole is correspondingly engaged with the protrusion at the front of the tongue-shaped engaging structure; the first part of the protective cover First fastening parts are arranged at intervals on the two sides; second fastening parts are arranged at intervals on the back plate, and the second fastening parts are correspondingly fastened with the first fastening parts.

Description

Display module driver protection device

【Technical field】

The invention relates to a driver protection device, in particular to a display module driver protection device.

【Background technique】

A liquid crystal display module generally includes a backplane, a driver (such as a light source driver, a display panel driver, etc.), and a protective cover for protecting the driver. In the prior art, the backplane and the protective cover are fixed by locking the protective cover on the backplane with screws. However, the disadvantage of the prior art is that the process of locking the screws is complicated and the assembly time is long. The edges of the backplane and the protective cover also need to be provided with several screw holes in advance. The structure of the screw holes will increase the volume of the casing, so that the finished product cannot meet the trend of miniaturization of electronic products. Additional purchase of several screws also increases the cost. In addition, when the driver fails, it is very inconvenient to repair and disassemble the display module.

【Content of invention】

In order to solve the above problems, the present invention discloses a display module driver protection device, which includes a protective cover, and the protective cover positions the driver between the back plate of the display module and the protective cover, and the protective cover includes A top surface and a plurality of downwardly extending side edges, wherein a plurality of outwardly extending tongue-shaped engaging structures parallel to the top end of the protective cover are arranged at intervals on the first side, and the front of the tongue-shaped engaging structures The second side of the protective cover is set corresponding to the first side, and the second side is provided with first fastening parts at intervals; the back plate is provided with a plurality of bulges at intervals to fix device, the top of the uplift fixing device is provided with a through hole, and the through hole is correspondingly engaged with the bump on the front part of the tongue-shaped engaging structure; the second engaging part is arranged at intervals on the back plate, so that The second fastening portion is correspondingly fastened with the first fastening portion.

The first fastening portion is a triangular column-shaped protrusion formed on the second side surface. The first fastening portion may also be a depression or a through hole formed on the second side surface.

A plurality of limiting grooves are arranged at intervals corresponding to the tongue-shaped engaging structure on the back plate, and the width inside the limiting groove matches the width of the tongue-shaped engaging structure. The distance from the bottom of the limiting groove to the surface of the backboard is equal to the distance from the tongue-shaped engaging structure to the lower edge of the side of the protective cover. As a preferred implementation manner, the limiting groove is integrated with the raised fixing device. The raised fixing device is a bridge-shaped bump formed on the surface of the backboard. The protrusion of the tongue-shaped engaging structure passes through and protrudes out of the through hole of the raised fixing device.

The protective cover is provided with a plurality of positioning recesses corresponding to the tongue-shaped engaging structure, and the bottom surfaces of the positioning recesses are flush with the tongue-shaped engaging structure. Each of the positioning depressions has a first positioning portion, the driver is provided with a plurality of second positioning portions corresponding to the positioning depressions, and the back plate is provided with a plurality of third positioning portions corresponding to the positioning depressions, The third positioning portion is combined with the first positioning portion and the second positioning portion. As a preferred embodiment, the first positioning portion is a circular through hole, the second positioning portion is a circular through hole, and the third positioning portion is a cylindrical protrusion. The third positioning portion passes through and protrudes from the second positioning portion. The third positioning portion is accommodated in the first positioning portion and does not protrude from the first positioning portion.

The present invention can be used in a display module. The display module includes a backplane and a driver. The display module includes the aforementioned display module driver protection device, and the driver is positioned between the backplane and the protective cover.

The beneficial effect of the present invention is that, on at least two sides of the protective cover, a combination of snap-fit and snap-fit structure is adopted, and there is no need to pre-set screw holes on the edge of the backboard and the protective cover, and no screws are used for fixing at all, saving The cost is reduced, the volume is reduced, and it conforms to the trend of miniaturization of electronic products. In addition, the drive protection device has a stable and firm structure, and is easy to disassemble and assemble, and is convenient for inspection and maintenance of the drive protected inside.

【Description of drawings】

Fig. 1 is a schematic diagram of the installation method of the display module driver protection device of the present invention;

Fig. 2 is a longitudinal sectional schematic diagram of the display module driver protection device of the present invention;

Fig. 3 is a schematic diagram showing the tongue-shaped engaging structure in the module driver protection device of the present invention;

Fig. 4 shows the structure diagram of the raised fixing device in the module driver protection device of the present invention;

Fig. 5 is a schematic diagram of the fastening of the first fastening part and the second fastening part in the protective device for displaying the module driver of the present invention;

Fig. 6 is a schematic diagram showing a second embodiment of the first buckling part in the module driver protection device of the present invention;

FIG. 7 is a schematic diagram of a second embodiment of the second engaging portion in the display module driver protection device matching FIG. 6 .

【Detailed ways】

The display module driver protection device provided by the present invention will be described in detail below with reference to the accompanying drawings.

Referring to Fig. 1 and Fig. 2, Fig. 1 is a schematic diagram of the installation of the display module driver protection device of the present invention; Fig. 2 is a longitudinal sectional schematic diagram of the display module driver protection device of the present invention. The display module driver protection device includes a protective cover 100, and the protective cover 100 positions the driver 200 (not shown in FIG. 1 ) between the back plate 300 of the display module and the protective cover 100. There is a supporting bump 340 on which the driver 200 is disposed, and the driver 200 can be separated from the backplane 300 by a fixed distance to facilitate heat dissipation. The protective cover 100 includes a top surface 101 and a plurality of downwardly extending sides, wherein the first side 110 is provided with a plurality of outwardly extending tongue-shaped engaging structures 112 parallel to the top end of the protective cover at intervals, the first The side 110 can be perpendicular to the top surface 101 .

A protruding block 113 is disposed on the front of the tongue-shaped engaging structure 112 . A plurality of raised fixing devices 310 are arranged at intervals on the backboard 300 . Referring to Fig. 3 and Fig. 4, Fig. 3 is a schematic diagram of the tongue-shaped engaging structure in the protection device for displaying the module driver of the present invention, and Fig. 4 is a schematic diagram of the structure of the raised fixing device in the protection device for displaying the module driver of the present invention. The top of the bump fixing device 310 is provided with a through hole 311, the through hole 311 is correspondingly engaged with the bump 113 at the front of the tongue-shaped engaging structure 112, and the bump 113 of the tongue-shaped engaging structure 112 penetrates upwards and protrudes from the bump to fix it. Through hole 311 of device 310 . As shown in FIG. 4 , the back plate 300 is provided with limiting grooves 320 at intervals corresponding to the tongue-shaped engaging structures 112 , and the width inside the limiting grooves 320 matches the width of the tongue-shaped engaging structures 112 , so that the tongue-shaped engaging structures 112 The structure 112 can be inserted into the limiting slot 320 .

In this specific embodiment, the limiting groove 320 and the raised fixing device 310 are integrated. The bump fixing device 310 is a bridge-shaped bump formed on the surface of the backboard 300 . The limiting slot 320 is integrated with the raised fixing device 310 , which can reduce the size of the tongue-shaped engaging structure 112 , save material and space, and at the same time limit and fix the tongue-shaped engaging structure 112 . The uplift fixing device 310 adopts a bridge shape, which enhances firmness and is not easy to deform. Bump fixture 310 may also take other shapes. The protective cover 100 is provided with a plurality of positioning recesses 111 corresponding to the tongue-shaped engaging structure 112 , and the bottom surfaces of the positioning recesses 111 are flush with the tongue-shaped engaging structure 112 .

Wherein, each positioning depression 111 has a first positioning portion 116, which can be a circular through hole, and a plurality of second positioning portions 201, which can be circular through holes on the driver 200, are provided corresponding to the positioning depression 111. A plurality of third positioning portions 301 are provided on the 300 corresponding to the positioning recesses 111, which may be cylindrical protrusions. The third positioning part 301 is combined with the first positioning part 116 and the second positioning part 201, the third positioning part 301 penetrates upwards and protrudes from the second positioning part 201, and the third positioning part 301 is accommodated in the first positioning part 116 and not protruding from the first positioning portion 116 . Thus, the protective cover 100 , the driver 200 and the backplane 300 are closely combined.

Referring to FIG. 5 , the second side 120 of the protective cover 100 is set corresponding to the first side 110 , the second side 120 can be perpendicular to the top surface 101 , and the second side 120 is provided with first fastening parts 114 at intervals. , which can be a triangular columnar bump formed on the surface of the second side 120, especially a right-angled triangular columnar bump, the right-angled surface 114a is perpendicular to the surface of the second side 120, and a slope 114b intersects the right-angled surface and the second Side 120 surface. The backboard 300 is provided with second fastening parts 330 at intervals, which are formed by cutting and bending the backboard 300. The second fastening parts 330 are perpendicular to the backboard 300, and the second fastening parts 330 can have a rectangular shape. through hole 330a. The second fastening portion 330 is correspondingly fastened with the first fastening portion 114 , and the right-angled triangular column-shaped first fastening portion 114 penetrates outward and protrudes from the rectangular through hole 330 a of the second fastening portion 330 , and is perpendicular to the second fastening portion 330 . The right-angled surface 114a on the surface of the two sides 120 is against the upper edge of the rectangular through hole 330a of the second engaging portion 330 , and the slope 114b intersecting the right-angled surface and the surface of the second side 120 is against the upper edge of the second engaging portion 330 The lower edge of the rectangular through hole 330a.

Please refer to Figure 1 and Figure 2 together. When installing, first place the driver 200 (not shown in FIG. 1 ) on the backplane 300, so that the third positioning part 301 on the backplane 300 is combined with the second positioning part 201 of the driver 200, and then the protective cover 100 The first side 110 of the protective cover 100 is inclined downward, the tongue-shaped engaging structure 112 is inserted into the limiting groove 320 of the raised fixing device 310, and then the second side 120 of the protective cover 100 is pressed down toward the back plate 300, so that the back plate The second fastening portions 330 disposed at intervals on the board 300 are correspondingly fastened with the first fastening portions 114 on the second side 120 . At this time, the tongue-shaped engaging structure 112 of the first side 110 is fixed longitudinally by the through hole 311 of the raised fixing device 310 on the back plate 300, and laterally limited by the limiting groove 320 of the raised fixing device 310, and the second side 120 is combined and fixed by the first fastening portion 114 and the second fastening portion 330 , and the third positioning portion 301 of the back plate 300 is combined with the first positioning portion 116 of the protective cover 100 and the second positioning portion 201 of the driver 200 . As shown in FIG. 2 , since the distance from the bottom of the limiting groove 320 to the surface of the back plate 300 is equal to the distance from the tongue-shaped engaging structure 112 to the lower edge of the side of the protective cover 100 , both are d, Therefore, the driver 200 is completely protected by the protective cover 100 and fixed on the backplane 300 .

Referring to Fig. 6 and Fig. 7, it is the second embodiment of the present invention. Fig. 6 is a schematic diagram of the second embodiment of the first fastening part in the display module driver protection device of the present invention, and Fig. 7 is a second embodiment of the second buckle part in the display module driver protection device matching Fig. 6 A schematic diagram of an embodiment. Wherein, the second side 120 of the protective cover 100 is provided with first fastening parts 115 at intervals, and it may have a rectangular through hole 115a; the back plate 300 is provided with second fastening parts 331 at intervals, which can be cut and The back plate 300 is formed by bending, and may have a tapered protrusion 331a. The top of the tapered protrusion 331a faces the rectangular through hole 115a of the first fastening portion 115. The area of the top of the tapered protrusion 331a may be larger than that of the bottom. area, and the sides of the tapered bump 331a can all be trapezoidal. The second buckling part 331 is correspondingly buckled with the first buckling part 115 , and the tapered protrusion 331 a of the second buckling part 331 penetrates inward and protrudes from the rectangular through hole 115 a of the first buckling part 115 , And the side surfaces of the tapered protrusions 331 a of the second locking portion 331 abut against the edges of the rectangular through holes 115 a of the first locking portion 115 .

The present invention can be used in a display module. The display module includes a backplane and a driver. The display module includes the aforementioned display module driver protection device, and the driver is positioned between the backplane and the protective cover.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be considered Within the protection scope of the present invention.

Claims (12)

1. a display module group driver protective device comprises an over cap, and described over cap is positioned driver to show between the backboard and described over cap of module, it is characterized in that:

Described over cap comprises the side of an end face and a plurality of downward extensions, wherein is arranged at intervals with a plurality of outward extending, parallel with over cap top ligule snap-in structures on the first side, and the front portion of described ligule snap-in structure is provided with projection;

The second side of described over cap is provided with corresponding to the first side, and is arranged at intervals with first buckling parts on the second side;

Be arranged at intervals with a plurality of protuberance stationary installations on the described backboard, the top of described protuberance stationary installation offers through hole, the corresponding engaging of projection of described through hole and described ligule snap-in structure front portion;

Be arranged at intervals with second buckling parts on the described backboard, described second buckling parts and the corresponding fastening of described first buckling parts.

2. display module group driver protective device according to claim 1 is characterized in that: described first buckling parts is for being formed at the lip-deep triangle column-like projection block in described second side.

3. display module group driver protective device according to claim 1 is characterized in that: corresponding described ligule snap-in structure is arranged at intervals with a plurality of stopper slots on the described backboard, and the width of described stopper slot inside and the width of described ligule snap-in structure are complementary.

4. display module group driver protective device according to claim 3 is characterized in that: the bottom land of described stopper slot to the distance on the surface of described backboard equates with the distance of described ligule snap-in structure to the lower edge of described over cap side.

5. display module group driver protective device according to claim 3 is characterized in that: described stopper slot and described protuberance stationary installation are one.

6. display module group driver protective device according to claim 1 is characterized in that: described protuberance stationary installation is the bridge shape projection that is formed at described back plate surface.

7. display module group driver protective device according to claim 1 is characterized in that: corresponding described ligule snap-in structure is provided with a plurality of location depression on the described over cap, and the bottom surface of described location depression is concordant with described ligule snap-in structure.

8. display module group driver protective device according to claim 7; it is characterized in that: have first location division on each described location depression; corresponding described location depression is provided with a plurality of second location divisions on the described driver; corresponding described location depression is provided with a plurality of the 3rd location divisions on the described backboard, and described the 3rd location division combines with described first location division and second location division.

9. display module group driver protective device according to claim 8 is characterized in that: described first location division is a manhole, and described second location division is a manhole, and described the 3rd location division is the cylinder projection.

10. display module group driver protective device according to claim 8 is characterized in that: described the 3rd location division is run through and is protruded from described second location division.

11. display module group driver protective device according to claim 8 is characterized in that: described the 3rd location division is placed in described first location division, and does not protrude from described first location division.

12. display module group driver protective device according to claim 1 is characterized in that: the projection of described ligule snap-in structure runs through and protrudes from the through hole of described protuberance stationary installation.

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