CN216083337U

CN216083337U - Backlight module and display module

Info

Publication number: CN216083337U
Application number: CN202121631234.8U
Authority: CN
Inventors: 吴志彬
Original assignee: InfoVision Optoelectronics Kunshan Co Ltd
Current assignee: InfoVision Optoelectronics Kunshan Co Ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-03-18
Anticipated expiration: 2031-07-16

Abstract

The utility model belongs to the technical field of display, and discloses a backlight module and a display module, wherein the backlight module comprises: glue the frame, locate light guide plate, reflector plate and locate the lamp strip relative with the side of light guide plate in gluing the frame. Wherein, one side surface that the frame deviates from the light guide plate of gluing is equipped with the double faced adhesive tape, and the double faced adhesive tape is used for fixed display panel, is equipped with the recess on the frame of gluing at least one side, is provided with heating element in the recess, and heating element can stretch out or retrace in the recess of gluing the frame. According to the utility model, the heating element is designed in the rubber frame for fixing the display panel position of the backlight module, when the display module needs to be disassembled, the heating element is popped out from the rubber frame side frame, the heating element is connected to a power supply, and the whole surface of the double-sided adhesive tape on the rubber frame is heated through heat conduction, so that the viscosity of the adhesive tape is reduced, the aim of easy disassembly is achieved, and after the heating is finished, the heating element can be folded back into the groove of the rubber frame side frame. Improve the display module assembly and disassemble efficiency, reduce the broken piece risk, easy operation.

Description

Backlight module and display module

Technical Field

The utility model belongs to the technical field of display, and particularly relates to a backlight module and a display module.

Background

A conventional Liquid Crystal Display (LCD) does not emit light, and a certain light-emitting backlight module is required to clearly see the content of the LCD. The backlight module is an optical component existing inside the liquid crystal display and is composed of a light source and necessary optical auxiliary components. The novel Light Emitting Diode (LED) backlight module has good color reducibility and long service life, does not contain mercury, and is favorable for environmental protection. The backlight module is divided into an edge type backlight module and a direct type backlight module according to the position of the light source.

In general, a middle-small sized backlight module includes: the flexible circuit board of the light bar is fixed on the rubber frame through the shading adhesive tape in a way that the flexible circuit board is fixed on one side of the shading adhesive tape, which is opposite to the light guide plate, and the optical film group is attached to the rubber frame through the shading adhesive tape; the display panel is also fixed on the rubber frame through the shading adhesive tape. The current display module assembly product is through high viscidity double faced adhesive tape fixed glue frame and display panel, and then more difficult when needs are disassembled, disassemble inefficiency, and too big display panel fragmentation very easily appears hard (if use low viscidity double faced adhesive tape then display module assembly can appear different sound scheduling problem), and the urgent need designs a novel backlight unit framework of a section and overcomes this type of problem, can realize that display module assembly heats rapidly, improves the module and disassembles efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides a backlight module and a display module, so as to solve the problems that the conventional backlight module is difficult to disassemble from a display panel and the display panel is easy to break, and to achieve the above object, the present invention adopts the following technical solutions:

the utility model provides a backlight module, which comprises a rubber frame, a light guide plate arranged in the rubber frame, a reflector plate, a lamp strip arranged in the rubber frame and opposite to the side edge of the light guide plate, and an optical film group arranged on the surface of the light guide plate, which is far away from the reflector plate, wherein a double-sided adhesive tape is arranged on the surface of the rubber frame, which is far away from the side edge of the light guide plate, and is used for fixing a display panel, a groove is arranged on at least one side frame on the rubber frame, a heating element is arranged in the groove, and the heating element can extend out of or be folded back into the groove of the rubber frame.

Further, the heating element comprises a connecting piece, a fixing piece and a heat conducting piece, wherein the connecting piece and the heat conducting piece are connected through the fixing piece, and the connecting piece can extend out of or fold back into the groove in a rotating mode around the fixing piece.

Furthermore, the fixing piece is arranged at one end of the heat conducting piece, and the connecting piece is sleeved on the fixing piece.

Further, the connecting piece also comprises two conductive columns with opposite polarities, and the conductive columns can extend out of or be folded back into the grooves.

Further, the conductive column can be inserted into a socket device matched with the conductive column, and the socket device can be connected with an external power supply.

Further, the heating element is matched with the size of the groove of the rubber frame.

Further, the fixing piece is cylindrical.

Furthermore, a through hole is formed in the connecting piece, and the through hole is sleeved on the fixing piece.

Further, the heating element is made of a conductive material.

The utility model also provides a display module which comprises a display panel and the backlight module.

The utility model has the beneficial effects that: the glue frame internal design heating element of backlight unit fixed display panel position, when display module assembly need be disassembled, pop out heating element from gluing the frame lateral wall, insert the power with heating element, through the whole face heating of heat-conduction double faced adhesive tape on gluing the frame side frame, make sticky tape viscidity reduce to reach the purpose of easy dismantlement, the heating finishes, heating element can turn back in the recess of gluing the frame side frame. Compared with the traditional disassembly method for heating the whole surface of the display module, the method has the advantages that the display module is prevented from being heated integrally, the quality of the display module is influenced, a heating platform is not needed, the disassembly efficiency is improved, the fragment risk is reduced, the product cost is saved, the operation is simple, and the operation of operators is convenient.

Drawings

FIG. 1 is a schematic structural diagram of a rubber frame according to the present invention;

FIG. 2 is a schematic view of a partial structure of the combination of the rubber frame and the heating element of the present invention;

FIG. 3 is a schematic view of the construction of a heating element of the present invention;

fig. 4 a-4 b are schematic views of the socket structure adapted to the heating element according to the present invention.

In the figure:

10-rubber frame, 11-top frame, 12-side frame and 13-groove;

20-heating element, 21-connector, 211-conductive post, 22-anchor, 23-conductive member;

30-socket, 31-jack, 32-plug.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale. Moreover, certain well-known elements may not be shown in the figures. In the following description, numerous specific details of the utility model, such as structure, materials, dimensions, processing techniques and techniques of components, are set forth in order to provide a more thorough understanding of the utility model. However, as will be understood by those skilled in the art, the present invention may be practiced without these specific details.

It will be understood that when a layer, region or layer is referred to as being "on" or "over" another layer, region or layer in describing the structure of the component, it can be directly on the other layer, region or layer or intervening layers or regions may also be present. Also, if the component is turned over, one layer or region may be "under" or "beneath" another layer or region.

fig. 4 a-4 b are schematic views of the plug structure of the present invention adapted to a heating element.

As shown in fig. 1 to 4b, the present invention provides a backlight module, which includes a plastic frame 10, a light guide plate, a reflective sheet and a light bar. The rubber frame 10 comprises a hollow top frame 11 and a side frame 12 vertically surrounding the top frame 11, wherein the top frame 11 and the side frame 12 form a cavity. The light guide plate and the reflector plate are arranged in a cavity surrounded by the rubber frame 10, the reflector plate is arranged below the light guide plate, and the lamp strip opposite to the side edge of the light guide plate is arranged in the cavity. The backlight module also comprises an optical film group arranged on the surface of one side of the light guide plate, which is far away from the reflector plate. A side surface of the top frame 11 of the adhesive frame 10, which is away from the light guide plate, is provided with a double-sided adhesive tape, the double-sided adhesive tape is used for fixing the display panel, and a side wall of the side frame 12 of the adhesive frame 10, which is away from the cavity, is provided with a groove 13, in this embodiment, the adhesive frame 10 includes four side frames 12, at least one side frame 12 is provided with the groove 13, at least one side frame 12 is provided with the double-sided adhesive tape, the groove 13 is provided on the side frame 12 corresponding to the double-sided adhesive tape, and a heating element 20 is provided in the groove 13, in this embodiment, the heating element 20 is a rectangular parallelepiped, and the groove 13 is adapted to the shape and size of the heating element 20. The width of the heating element 20 is smaller than that of the top frame 12, and the heating element 20 can extend out of or fold back into the groove 13 of the rubber frame 10.

The heating element 20 comprises a connecting member 21, a fixing member 22 and a heat conducting member 23, wherein the heat conducting member 23 is mainly used for heating the rubber frame, the fixing member 22 fixedly connects the connecting member 21 with the heat conducting member 23, and the connecting member 21 is mainly used for communicating with an external power supply device. In this embodiment, the fixing member 22 is cylindrical, and the connecting member 21 has a circular through hole, which is sleeved on the cylindrical fixing member 22. The connecting member 21, the fixing member 22 and the heat conducting member 23 are made of an electrically conductive material, such as any one or more of an electrically conductive resin or an electrically conductive metal material. The connecting member 21 can be rotated about the fixing member 22 by 0-180 degrees. The connecting member 21 further includes two conductive posts 211 with opposite polarities, and the conductive posts 211 can extend out of or be folded back into the grooves 13 of the frame 10. After the connecting member 21 is rotated out of the groove 13, it can be connected to the socket 30 adapted to the connecting member, the socket 30 is provided with a corresponding jack 31 with opposite polarity, the conductive post 211 is inserted into the jack 31, the plug 32 of the socket 30 is connected to an external power supply device, so as to realize the conduction between the heating element 20 and an external power supply, the double-sided adhesive on the adhesive frame 10 is heated by the heating element 20, the adhesiveness of the double-sided adhesive is reduced, and the display panel is easily detached from the adhesive frame 10. After heating, the conductive posts 211 of the heating element 20 can be folded back into the grooves 13 of the plastic frame 10.

The specific use of the heating element 20 described above is as follows: firstly, the connecting member 21 is rotated by 90 degrees or 180 degrees to make the conductive posts 211 on the connecting member 21 extend out of the grooves 13 of the adhesive frame 10, the conductive posts 211 are inserted into the insertion holes 31 on the external socket 30, the plug 32 on the socket 30 is connected with an external power supply device to conduct the heating element 20 with an external power supply, and then the adhesive frame 10 is heated to reduce the viscosity of the corresponding double-sided adhesive on the adhesive frame 20, so that the display panel is easily disassembled from the adhesive frame 10.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a backlight module, is including gluing the frame, locating light guide plate, reflector plate in gluing the frame and locating glue in the frame with the lamp strip that the side of light guide plate is relative, locate the light guide plate deviates from the optical film group on reflector plate one side surface, its characterized in that: the display panel is characterized in that a double-sided adhesive tape is arranged on the surface of one side, which is far away from the light guide plate, of the adhesive frame, the double-sided adhesive tape is used for fixing the display panel, a groove is formed in at least one side frame on the adhesive frame, a heating element is arranged in the groove, and the heating element can extend out of or be folded back into the groove of the adhesive frame.

2. The backlight module of claim 1, wherein the heating element comprises a connecting member, a fixing member and a heat conducting member, the connecting member and the heat conducting member are connected by the fixing member, and the connecting member can extend out of or return into the groove by rotating around the fixing member.

3. The backlight module as claimed in claim 2, wherein the fixing member is disposed at one end of the heat-conducting member, and the connecting member is disposed on the fixing member.

4. The backlight module as claimed in claim 3, wherein the connector further comprises two conductive posts with opposite polarities, and the conductive posts can extend out of or return back into the grooves.

5. The backlight module of claim 4, wherein the conductive posts are adapted to be plugged into socket devices, and the socket devices are connectable to an external power source.

6. The backlight module of claim 1, wherein the heating element is sized to fit in a recess of the bezel.

7. The backlight module of claim 2, wherein the fixing member is cylindrical.

8. The backlight module as claimed in claim 7, wherein the connecting member has a through hole, and the through hole is disposed on the fixing member.

9. The backlight module of claim 1, wherein the heating element is made of a conductive material.

10. A display module comprising a display panel and the backlight module according to any one of claims 1-9.