CN204086758U - Support member, backlight module and liquid crystal display - Google Patents

Abstract

The utility model discloses a support, which comprises a base plate, the base plate has a first surface and a second surface which are oppositely arranged, and a first side and a second side which are oppositely arranged; the first side is provided with a The baffle plate and the positioning plate extending below the second surface, the first surface is provided with a support plate, the support plate is fixedly connected with the first surface of the substrate, and the baffle plate is fixedly connected with the support plate; the second surface is provided with a direction The clamping plate extends below the second surface, and the extended end of the clamping plate is provided with a hook. The utility model also provides a backlight module. The utility model further provides a liquid crystal display. The supporting part of the utility model has the advantages of simple structure, small volume and low cost, and can be widely matched with the sizes of various liquid crystal display models, has strong interchangeability, and can reduce the module cost.

Description

Support member, backlight module and liquid crystal display

technical field

The utility model relates to the field of liquid crystal displays, in particular to a support, a backlight module and a liquid crystal display.

Background technique

In a liquid crystal display, since the liquid crystal display panel cannot emit light, a backlight source is required to provide a light source for the liquid crystal display panel, and the backlight source is provided by a backlight module. The existing backlight module includes a plastic frame, an optical component (optical film, light guide plate, etc.)

At present, the existing plastic frame structure can be divided into one-piece plastic frame and split plastic frame. However, with the increase in the size of LCD TVs and LCD modules The mold size is very large, the mold cost is high, and the unit price of the product is high; in addition, due to the different models of liquid crystal displays, the size of the plastic frame cannot be used universally, and it is not interchangeable.

The above content is only used to assist in understanding the technical solution of the present utility model, and does not mean to admit that the above content is the prior art.

Utility model content

The main purpose of the utility model is to solve the problem that the production cost of the existing plastic frame is high, and the plastic frame cannot be used universally on liquid crystal displays of different sizes, and does not have interchangeability.

In order to achieve the above object, the utility model provides a backlight module for supporting and fixing a liquid crystal display, which is characterized in that the supporting member includes a substrate, the substrate has a first surface and a second surface oppositely arranged, and an opposite The first side and the second side are provided; the first side is provided with a baffle plate extending above the first surface and a positioning plate extending below the second surface; a support plate is provided on the first surface, The baffle is fixedly connected to the support plate, the support plate is fixedly connected to the first surface; the second surface is provided with a clamping plate extending below the second surface, and the clamping plate The end is provided with a hook. Preferably, the baffle extends from one end of the first side to the other end of the first side.

Preferably, the side of the baffle plate facing the support plate is provided with barrier ribs.

Preferably, the baffle includes a first baffle and a second baffle, the first baffle and the second baffle are respectively arranged at both ends of the first side, and the support plate includes a first support plate and a second support plate, the first support plate is fixedly connected to the first baffle plate, and the second support plate is fixedly connected to the second baffle plate.

Preferably, a positioning post is provided on the first surface of the substrate, and the positioning post is provided between the first support plate and the second support plate.

Preferably, the positioning plate is formed by extending downward from the middle of the baffle plate, the clamping plate is disposed close to the first side, and the clamping plate is parallel to the positioning plate.

Preferably, the clamping plate includes a first clamping plate and a second clamping plate, and the first clamping plate and the second clamping plate are respectively arranged on both sides of the positioning plate.

Preferably, an inserting plate is further provided at the end of the positioning plate, and the inserting plate extends downward away from the second surface.

Preferably, a side of the support plate away from the baffle plate extends upwards from a first convex edge, and a second side of the base plate extends downwards from a second convex edge.

In order to achieve the above purpose, the utility model also provides a backlight module, including a backplane, a light guide plate and a film, the backlight module also includes the above-mentioned support, and the backplane is provided with the The positioning slot adapted to the positioning plate of the support, the back plate is also provided with a fixing hole that fits with the clamping plate of the support, and the support is installed on the support through the positioning slot and the fixing hole On the backplane, the base plate clamps the light guide plate, and the base plate supports the film.

To achieve the above purpose, the utility model also provides a liquid crystal display, including a liquid crystal display panel and a front frame, the liquid crystal display also includes the above-mentioned backlight module, and the front frame fixes the liquid crystal display panel to the above the backlight module.

The support of the utility model is fixedly installed on the backboard through the clamping plate and the positioning plate, the light guide plate is clamped and fixed through the base plate, and the diaphragm is supported, the liquid crystal display panel is supported by the support plate, and a position is defined by the baffle plate. Provide space to place the LCD panel. The supporting part of the utility model has the advantages of simple structure, small volume and low cost, and can be widely matched with the sizes of various liquid crystal display models, has strong interchangeability, and can reduce the module cost.

Description of drawings

Figure 1 is a schematic diagram of the main structure of the liquid crystal module;

Fig. 2 is a top view of the liquid crystal module installed with the support of the utility model;

3 is a schematic cross-sectional structure diagram of an embodiment of a liquid crystal module;

4 is a schematic cross-sectional structure diagram of another embodiment of the liquid crystal module;

Fig. 5A is a schematic structural view of an embodiment of the utility model support;

Figure 5B is a rear view of Figure 5A;

Fig. 6A is a schematic structural view of another embodiment of the utility model support;

Figure 6B is a rear view of Figure 6A;

FIG. 7 is a schematic diagram of the assembly structure of the support member and the backplane in FIG. 5A;

FIG. 8 is a structural schematic view of the support member in FIG. 5A installed in the backplane.

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model provides a support. Referring to FIG. 3, FIG. 4, FIG. 5A and FIG. 5B, a support 20 is used to support a liquid crystal display panel 11 in a liquid crystal display, and the support 20 includes a substrate 21, The substrate 21 has a first surface 211 and a second surface (not shown in the figure) opposite to each other, and a first side 213 and a second side 214 opposite to each other; The baffle 23 extending above the surface 211 and the positioning plate 24 extending below the second surface, the first surface 211 is provided with a support plate 22, the baffle 23 is fixedly connected to the support plate 22, and the support The plate 22 is fixedly connected to the first surface 211 of the base plate 21 ; the second surface is provided with a clamping plate 25 extending downward from the second surface, and the end of the clamping plate 25 is provided with a hook 250 .

Referring to FIG. 1 , a liquid crystal display generally includes a liquid crystal display panel 11 and a backlight module for providing light sources for the liquid crystal display panel. The backlight module also includes a light guide plate 14 , a backplane 10 and a diaphragm 13 . Specifically, in this embodiment, the supporting and fixing supporting members 20 for the liquid crystal display panel 11 are provided at the four corners of the module (refer to FIG. 2 ). First, the supporting member 20 fixes and supports the film 13 , the light guide plate 14 and the backplane 10 . The support 20 includes a base plate 21, the base plate 21 includes a first surface 211 and a second surface oppositely arranged, and a first side 213 and a second side 214 oppositely arranged, and the first side 213 is provided with a direction facing the first surface. The baffle plate 23 extending above the 211 and the positioning plate 24 extending below the second surface. The first surface 211 is also provided with a support plate 22, the support plate 22 is fixedly connected to the first surface 211 of the substrate 21, and the baffle plate 23 is fixedly connected to the support plate 22; the second surface A clamping plate 25 extending downward from the second surface is arranged on the top, and a hook 250 is provided at the end of the extending end of the clamping plate 25 . Here, the setting of the baffle plate 23 defines a placement space for the liquid crystal display panel 11 , and the setting of the positioning plate 24 facilitates the installation and fixing of the support member 20 and the back plate 10 . Since the support member 20 needs to support the diaphragm 13 and the liquid crystal display panel 11, in this embodiment, the substrate 21 is used to support the diaphragm 13, and the support plate 22 provided on the substrate 21 is used to support the liquid crystal display panel 11 . In addition, referring to FIG. 7 , in order to securely install the support member 20 on the backboard 10 , the backboard 10 is provided with a positioning groove 101 adapted to the positioning plate 24 , and a positioning slot 101 that is compatible with the clamping The plate 25 fits into the fixing hole 102 for clamping. When the support member 20 is installed, the positioning plate 24 is inserted in the positioning groove 101, and the clamping plate 25 is inserted in the fixing hole 102 , and after the hook 250 at the end of the clamping plate 25 passes through the fixing hole 102, the hook 250 fits and clamps with the edge of the fixing hole 102, so that the support member 20 can be firmly Installed on the backplane 10.

The support member 20 of the present invention is fixedly installed on the back plate 10 through the clamping plate 25 and the positioning plate 24, the light guide plate 14 is clamped by the base plate 21, and the diaphragm 13 is supported, and the liquid crystal display panel 11 is supported by the support plate 22, A placement space is defined by the baffle plate 23 to place the liquid crystal display panel 11 , replacing the conventional plastic frame to support and fix the light guide plate 14 , film 13 and other optical equipment and the liquid crystal display panel 11 . The supporting member 20 is simple in structure, small in size, low in cost, can be widely matched with the sizes of various liquid crystal display models, has strong interchangeability, and can reduce module cost.

Further, referring to FIG. 3 , FIG. 6A and FIG. 6B , the baffle 23 extends from one end of the first side 213 to the other end of the first side 213; Barrier ribs 26 are arranged on one side.

Specifically, in this embodiment, the baffle 23 is a whole, and the baffle 23 extends from one end of the first side 213 to the other end of the first side 213 . In addition, in order to strengthen the retaining force of the baffle plate 23 on the liquid crystal display panel 11, a screen rib 26 is provided on the baffle plate 23, and the screen rib 26 is arranged on the side of the baffle plate 23 facing the support plate 22. superior.

Further, referring to FIG. 5A and FIG. 5B, the baffle 23 includes a first baffle 231 and a second baffle 232, and the first baffle 231 and the second baffle 232 are respectively arranged on the first side 213 The two ends of the support plate 22 include a first support plate 221 and a second support plate 222, the first support plate 221 is fixedly connected to the first baffle plate 231, and the second support plate 222 is connected to the The second baffle 232 is fixedly connected.

Specifically, in this embodiment, the baffle 23 includes a first baffle 231 and a second baffle 232, and the first baffle 231 and the second baffle 232 are respectively arranged on the sides of the first side 213. Both ends, similarly, correspondingly, the support plate 22 also includes a first support plate 221 and a second support plate 222, the first support plate 221 is fixedly connected with the first baffle plate 231, and the second support plate 222 It is fixedly connected with the second baffle plate 232 .

Further, referring to FIG. 4 , FIG. 5A and FIG. 5B , the first surface 211 of the substrate 21 is provided with a positioning post 30 , and the positioning post 30 is provided on the first support plate 221 and the second support plate 222 between.

Specifically, since there are many diaphragms 13 in the backlight module, in order to make the diaphragm 13 more stable under the support of the supporting member 20, in this embodiment, a positioning device is set on the first surface 211 of the substrate 21 The post 30 , the positioning post 30 is disposed between the first support plate 221 and the second support plate 222 . In this way, the diaphragm 13 can be set to a shape adapted to the support member 20, for example, the corresponding position of the diaphragm 13 and the support member extends out of the installation part, and a positioning hole is opened on the installation part, and the installation hole is sleeved on the positioning post (refer to Figure 4). The diaphragm 13 can be firmly fixed through the support and fixation of a plurality of support members 20 .

Further, referring to Fig. 5A, Fig. 5B, Fig. 6A and Fig. 6B, the positioning plate 24 is formed by extending downward from the middle of the baffle plate 23, the clamping plate 25 is arranged close to the first side 213, and The clamping plate 25 is parallel to the positioning plate 24 .

Specifically, the positioning plate 24 may extend downwards as a whole of the baffle 23, or may be a part of the baffle 23 extending downwards. In order to save materials and reduce costs, and to facilitate the installation of the support 20 and the back plate 10, In addition, in order to reserve space for other components, in this embodiment, the positioning plate 24 is formed by extending downward from the middle of the baffle plate 23 . In addition, the light guide plate 14 is clamped between the substrate 21 and the back plate 10 , so the fixing position of the clamping plate 25 should not be close to the second side 214 . In this embodiment, in order to reserve enough clamping area for the second surface of the substrate 21, so that the substrate 21 and the light guide plate 14 can be clamped, the clamping plate 25 is arranged close to the first side 213, And the clamping plate 25 is parallel to the positioning plate 24 .

Further, referring to FIG. 5A, the clamping plate 25 includes a first clamping plate 251 and a second clamping plate 252, and the first clamping plate 251 and the second clamping plate 252 are respectively arranged on the positioning plate 24 sides.

Specifically, in order to make the fixing of the support member 20 to the backboard 10 as a whole more firm and stable, the clamping plate 25 in this embodiment includes a first clamping plate 251 and a second clamping plate 252 . The first clamping plate 251 and the second clamping plate 252 are respectively disposed on two sides of the positioning plate 24 . It should be understood here that since the first clamping plate 251 and the second clamping plate 252 are not on the same plane as the positioning plate 24, the two sides mentioned here refer to the first clamping plate 251 And the vertical projection of the second clamping plate 252 on the plane where the positioning plate 24 is located is located on both sides of the positioning plate 24 . In this way, under the action of the positioning plate 24, the support member 20 can be prevented from swinging left and right, and the positioning groove 101 on the back plate 10 plays a certain role in supporting the support member 20; Next, since the hook 250 fits with the periphery of the fixing hole 102 , the supporting member 20 is not easy to come out from the backboard 10 .

Further, referring to FIG. 6B and FIG. 7 , an inserting plate 241 is further provided at the end of the positioning plate 24 , and the inserting plate 241 extends downward away from the second surface.

Specifically, the positioning plate 24 can be completely inserted into the positioning groove 101 , or partially inserted into the positioning groove 101 , depending on the shape of the positioning groove 101 . An inserting plate 241 is disposed at the end of the positioning plate 24 , and the inserting plate 241 extends downward away from the second surface of the base plate 21 , and the extended inserting plate 241 is inserted into the positioning groove 102 .

It should be noted here that the inserting plate 241 can have various settings. For example, the inserting plate 241 can be formed by extending downwards of the positioning plate 24 as a whole, or the middle part of the positioning plate 24 can extend downwards. And formed. In this embodiment, the inserting plate 241 extends downward as a whole of the positioning plate 24 , but the thickness of the inserting plate 241 (thickness in a direction perpendicular to the first side) is smaller than the thickness of the positioning plate 24 . In this way, when the inserting plate 241 is inserted into the positioning groove 102 corresponding to it, the matching between the positioning plate 24 and the positioning groove 102 is smoother and more beautiful.

The utility model also provides a backlight module, referring to Fig. 3, Fig. 4 and Fig. 8, which includes a backplane 10, a light guide plate 14 and a film 13, and the backlight module also includes the support described in any of the above-mentioned embodiments. 20, the back plate 10 is provided with a positioning groove 101 adapted to the positioning plate 24 of the support 20, and the back plate 10 is also provided with a clamping plate 25 of the support 20. Adapted fixing hole 102, the support member 20 is installed on the backplane 10 through the positioning groove 101 and the fixing hole 102, the substrate 21 holds the light guide plate 14, and the substrate 21 supports the The diaphragm 13.

Since this backlight module adopts all the technical solutions of the above-mentioned embodiments of the support member, the benefits brought by the above-mentioned embodiments are also provided by this backlight module, which will be described in detail here.

The utility model also provides a liquid crystal display, including a liquid crystal display panel and a front frame. The liquid crystal display also includes the above-mentioned backlight module, and the front frame fixes the liquid crystal display panel on the backlight module.

The above are only preferred embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process conversion made by using the description of the utility model and the contents of the accompanying drawings, or directly or indirectly used in other related All technical fields are all included in the scope of patent protection of the utility model in the same way.

Claims (10)

1. a support member, for supporting the backlight module in immobile liquid crystal display, is characterized in that, described support member comprises a substrate, and this substrate has the first surface and second surface that are oppositely arranged, and the first limit be oppositely arranged and Second Edge; Described first limit is provided with the baffle plate extended above described first surface and the location-plate extended below second surface; Described first surface is provided with back up pad, and described baffle plate is fixedly connected with described back up pad, and described back up pad is fixedly connected with described first surface; Described second surface is provided with extend below second surface hold plate, described in hold plate end be provided with grab.

2. support member as claimed in claim 1, it is characterized in that, described baffle plate extends to the other end on described first limit from the one end on described first limit.

3. support member as claimed in claim 2, it is characterized in that, described baffle plate is provided with baffle plate muscle in the one side of described back up pad.

4. support member as claimed in claim 1, it is characterized in that, described baffle plate comprises the first baffle plate and second baffle, and described first baffle plate and second baffle are arranged at the two ends on described first limit respectively; Described back up pad comprises the first back up pad and the second back up pad, and described first back up pad is fixedly connected with described first baffle plate, and described second back up pad is fixedly connected with described second baffle.

5. support member as claimed in claim 4, it is characterized in that, described first surface is provided with reference column, described reference column is arranged between described first back up pad and described second back up pad.

6. the support member as described in claim 1,2,3,4 or 5, is characterized in that, described location-plate is extended to form by the middle part of described baffle plate downwards, described in hold plate and arrange near described first limit, described in hold plate and be parallel to described location-plate.

7. support member as claimed in claim 6, is characterized in that, described in hold plate and comprise first and hold plate and second and hold plate, described first holds plate and second holds the both sides that plate is arranged at described location-plate respectively.

8. support member as claimed in claim 7, it is characterized in that, the end of described location-plate is also provided with plate, and described plate deviates from described second surface to downward-extension.

9. a backlight module, comprise backboard, light guide plate and diaphragm, it is characterized in that, described backlight module also comprises the support member described in any one of claim 1 to 8, described backboard is provided with the locating slot with the location-plate adaptation of described support member, described backboard also offers and holds adaptive fixed orifice with the board that holds of described support member, described support member is installed on described backboard by described locating slot and fixed orifice, described light guide plate holds by described substrate, diaphragm described in described base plate supports.

10. a liquid crystal display, comprise display panels and front frame, it is characterized in that, described liquid crystal display also comprises backlight module according to claim 9, and described display panels is fixed on described backlight module by described front frame.