CN216526640U - High-uniformity backlight display module - Google Patents

Abstract

The utility model discloses a high-uniformity backlight display module, which comprises an installation shell, wherein a cavity is arranged in the installation shell, a frame body is fixedly installed on the upper end surface of the installation shell, two sliding grooves are sequentially formed in two side wall surfaces in the frame body, the two sliding grooves correspond to each other in pairs, two first positioning holes are sequentially formed in the two side wall surfaces outside the frame body, a diffusion plate is arranged above the frame body, two sliding blocks are sequentially and fixedly installed on the two side wall surfaces of the diffusion plate, and the four sliding blocks correspond to the four sliding grooves in pairs. The utility model has the beneficial effects that: through setting up spout, first locating hole, slider, second locating hole and fixed pin for the device accessible fixed pin dismantle with fix the decomposition and the installation of accomplishing the device, thereby make the device no longer be integrative mechanism, and then make the device simple more convenient that the maintenance gets up.

Description

High-uniformity backlight display module

Technical Field

The utility model relates to a backlight display module, in particular to a high-uniformity backlight display module.

Background

BackLight (BackLight) is a light source located behind a Liquid Crystal Display (LCD) and its lighting effect directly affects the visual effect of the liquid crystal display module (LCM). The liquid crystal itself does not emit light, and it displays graphics or characters as a result of its modulation of light. The development of backlights can be traced back to the second world war. At that time, a subminiature tungsten lamp was used as a backlight source for aircraft instruments. This is the initial stage of backlight development. Through development of half a century, the backlight source has become an electronic independent subject nowadays and gradually forms a research and development hotspot. At present, the most existing backlight display module is an integrated mechanism, so that when the inside of the backlight display module breaks down, the backlight display module is not convenient to disassemble and disassemble, and the broken parts are maintained or replaced. Therefore, based on the above problems, we have designed such a high uniformity backlight display module to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-uniformity backlight display module to solve the problems that most of the existing backlight display modules in the prior art are integrated mechanisms, so that when a fault occurs in the backlight display module, the backlight display module is inconvenient to disassemble and disassemble, and the fault part is inconvenient to repair or replace.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a high homogeneity backlight display module assembly, includes the installation shell, the inside of installation shell is equipped with the cavity, the up end fixed mounting of installation shell has the framework, two spouts have all been seted up in proper order to the both sides wall face in the framework, and two liang of mutual correspondences between the spout, two first locating holes have been seted up respectively in proper order to the both sides wall face outside the framework, the top of framework is equipped with the diffuser plate, the both sides wall face of diffuser plate all has two sliders, four fixed mounting in proper order two liang of mutual correspondences between slider and four spouts, and four slider difference slidable mounting is in the spout, the second locating hole has all been seted up to a side wall face of slider, four the second locating hole corresponds with four first locating hole positions respectively each other, all be equipped with the fixed pin in the first locating hole, and four the one end of fixed pin passes the first locating hole fixed mounting of framework side wall face in proper order respectively at slider side wall face second locating hole, four And (6) positioning in the hole.

Preferably, a polaroid is arranged below the diffusion plate, the lower end face of the polaroid is placed on the upper end face of the installation shell, and four wall faces of the polaroid are attached to four wall faces in the frame body.

Preferably, the lower end surface of the polarizer is sequentially provided with a plurality of rectangular pyramids, the rectangular pyramids and the polarizer are combined into an integrated mechanism through mold hot-press molding or injection molding, and the distances between the rectangular pyramids are the same.

Preferably, an optical film is arranged between the polarizer and the diffusion plate, and the upper side wall surface and the lower side wall surface of the optical film are respectively attached to the diffusion plate and the polarizer.

Preferably, a backlight plate is fixedly mounted on the bottom end face of the cavity in the mounting shell, and a plurality of light emitting diodes are sequentially and fixedly mounted on the upper end face of the backlight plate.

Preferably, a plurality of heat dissipation through holes are sequentially formed in the upper end face of the backlight plate, and the heat dissipation through holes sequentially penetrate through the backlight plate and extend to the lower end face of the mounting shell.

In the technical scheme, the utility model provides the following technical effects and advantages:

the utility model, through setting up the concrete chute, first locating hole, slide block, second locating hole and fixed pin, when needing to detect and maintain the inside of the backlight display module, pull out the fixed pin of both sides wall of the frame body through the specialized tool at first, the diffuser plate loses its fixed pin to take it out of the frame body after it, take out of the diffuser plate makes optical diaphragm and polaroid in the frame body loosen, then take out optical diaphragm and polaroid loosened from the frame body sequentially, the diffuser plate, optical diaphragm and polaroid take out sequentially makes the backlight display module finish the disassembling work, further go on to the maintenance to the position needing to detect and maintain, while installing, place polaroid and optical diaphragm in the frame body sequentially, then place the diffuser plate above the frame body, install in the concrete chute of the internal side wall of the frame body through the slide block of both sides wall of the diffuser plate, the fixing pin sequentially penetrates through the first positioning hole to be fixed in the second positioning hole, the installation of the device can be completed, compared with a traditional device, the device is additionally provided with the fixing pin, the disassembly and the installation of the device can be completed through the fixing pin, and therefore the device is not an integrated mechanism any longer, and the device is simple and convenient to detect and maintain.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is an exploded view of the mounting case and the diffuser plate of the present invention.

FIG. 3 is an exploded view of the mounting case, the diffuser plate, the optical film, the polarizer and the backlight plate according to the present invention.

FIG. 4 is an exploded view of the mounting case, the diffuser plate, the optical film, the polarizer and the backlight plate according to the present invention.

Description of reference numerals:

1. mounting a shell; 2. a frame body; 3. a chute; 4. a first positioning hole; 5. a diffusion plate; 6. a slider; 7. a second positioning hole; 8. a polarizer; 9. a rectangular pyramid; 10. an optical film; 11. a backlight plate; 12. a light emitting diode; 13. a heat dissipating through hole; 14. and fixing the pin.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The utility model provides a high-uniformity backlight display module as shown in figures 1-4, which comprises an installation shell 1, wherein a cavity is arranged in the installation shell 1, a frame body 2 is fixedly arranged on the upper end surface of the installation shell 1, two sliding grooves 3 are sequentially arranged on two side wall surfaces in the frame body 2, the sliding grooves 3 correspond to each other in pairs, two first positioning holes 4 are respectively and sequentially arranged on two side wall surfaces outside the frame body 2, a diffusion plate 5 is arranged above the frame body 2, two sliding blocks 6 are sequentially and fixedly arranged on two side wall surfaces of the diffusion plate 5, four sliding blocks 6 correspond to four sliding grooves 3 in pairs, the four sliding blocks 6 are respectively and slidably arranged in the sliding grooves 3, a second positioning hole 7 is respectively arranged on one side wall surface of each sliding block 6, and the four second positioning holes 7 correspond to the four first positioning holes 4 in position, all be equipped with fixed pin 14 in the first locating hole 4, and four the one end of fixed pin 14 passes first locating hole 4 fixed mounting of framework 2 lateral wall respectively in the second locating hole 7 of 6 lateral wall of slider in proper order, compares traditional device, and the addding of this device makes the device accessible fixed pin 14's dismantlement and the fixed decomposition and the installation that accomplish the device, thereby makes the device no longer be integrative mechanism, and then makes the device detect that the maintenance is got up more simply convenient.

Further, in the above technical solution, a polarizer 8 is disposed below the diffuser plate 5, the lower end surface of the polarizer 8 is disposed on the upper end surface of the installation shell 1, four wall surfaces of the polarizer 8 are attached to four wall surfaces in the frame 2, the lower end surface of the polarizer 8 is sequentially provided with a plurality of rectangular pyramids 9, the plurality of rectangular pyramids 9 are all formed by hot press molding or injection molding through a mold and are combined with the polarizer 8 into an integrated mechanism, and the distances between the plurality of rectangular pyramids 9 are the same, so that the rectangular pyramids 9 can conveniently emit light irradiated thereon at a proper reflection angle, and thus the light and shadow effect displayed by the device is better.

Furthermore, in the above technical solution, an optical film 10 is disposed between the polarizer 8 and the diffuser 5, the upper and lower side wall surfaces of the optical film 10 are respectively jointed with the diffusion plate 5 and the polaroid 8, a backlight plate 11 is fixedly arranged on the bottom end surface of the inner cavity of the mounting shell 1, a plurality of light emitting diodes 12 are sequentially and fixedly arranged on the upper end surface of the backlight plate 11, the upper end surface of the backlight plate 11 is sequentially provided with a plurality of heat dissipation through holes 13, the plurality of heat dissipation through holes 13 sequentially penetrate through the backlight plate 11 and extend to the lower end surface of the mounting shell 1, so that light rays can be conveniently projected through the light emitting diodes 12 and can be irradiated, the heat dissipation through holes 13 can effectively dissipate heat generated by the working light emitting diodes 12, so that heat generated by the working light emitting diodes 12 is prevented from being accumulated in the mounting shell 1, and the service life of the device is further shortened.

Principle of operation

The implementation mode is specifically as follows: when a user needs to use the device, the user firstly checks whether the device has faults or not, if not, the device can be normally used, if yes, the fixing pins 14 on the two side wall surfaces of the frame body 2 are pulled out by a special tool, the diffusion plate 5 is taken out from the frame body 2 after losing the fixing of the fixing pins 14, the diffusion plate 5 is taken out to loosen the optical membrane 10 and the polaroid 8 in the frame body 2, then the loosened optical membrane 10 and the polaroid 8 are sequentially taken out from the frame body 2, the diffusion plate 5, the optical membrane 10 and the polaroid 8 are sequentially taken out to enable the backlight display module to finish the disassembly work, the parts needing to be detected and maintained are further maintained, during the installation, the polaroid 8 and the optical membrane 10 are sequentially placed in the frame body 2, then the diffusion plate 5 is placed above the frame body 2, and are slidably installed in the sliding grooves 3 on the inner surface of the frame body 2 through the sliding blocks 6 on the two side wall surfaces of the diffusion plate 5, and then, sequentially penetrating the fixing pins 14 through the first positioning holes 4 and fixing the fixing pins in the second positioning holes 7 to complete the installation of the device.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims (6)

1. The utility model provides a high homogeneity backlight display module assembly, includes installation shell (1), its characterized in that: a cavity is arranged in the installation shell (1), a frame body (2) is fixedly installed on the upper end face of the installation shell (1), two sliding grooves (3) are sequentially formed in two side wall faces in the frame body (2), the sliding grooves (3) correspond to each other in pairs, two first positioning holes (4) are sequentially formed in two side wall faces outside the frame body (2), a diffusion plate (5) is arranged above the frame body (2), two sliding blocks (6) are sequentially and fixedly installed on two side wall faces of the diffusion plate (5), the four sliding blocks (6) correspond to the four sliding grooves (3) in pairs, the four sliding blocks (6) are respectively and slidably installed in the sliding grooves (3), a second positioning hole (7) is formed in one side wall face of each sliding block (6), and the four second positioning holes (7) correspond to the four first positioning holes (4) in position, all be equipped with fixed pin (14) in first locating hole (4), and four the one end of fixed pin (14) passes first locating hole (4) fixed mounting of framework (2) one side wall respectively in proper order in second locating hole (7) of slider (6) one side wall.

2. The backlight display module with high uniformity as claimed in claim 1, wherein: the utility model discloses a mounting structure of a backlight module, including diffuser plate (5), the below of diffuser plate (5) is equipped with polaroid (8), the up end at installation shell (1) is placed to the lower terminal surface of polaroid (8), four walls of polaroid (8) are laminated with four walls in framework (2) mutually.

3. The backlight display module with high uniformity as claimed in claim 2, wherein: the lower end face of the polaroid (8) is sequentially provided with a plurality of rectangular pyramids (9), the rectangular pyramids (9) are combined with the polaroid (8) into an integrated mechanism through mould hot-press molding or injection molding, and the distances among the rectangular pyramids (9) are the same.

4. The backlight display module with high uniformity as claimed in claim 2, wherein: an optical membrane (10) is arranged between the polarizer (8) and the diffusion plate (5), and the upper side wall surface and the lower side wall surface of the optical membrane (10) are respectively attached to the diffusion plate (5) and the polarizer (8).

5. The backlight display module with high uniformity as claimed in claim 1, wherein: the bottom end face of the cavity in the mounting shell (1) is fixedly provided with a backlight plate (11), and the upper end face of the backlight plate (11) is sequentially fixedly provided with a plurality of light emitting diodes (12).

6. The backlight display module with high uniformity as claimed in claim 5, wherein: a plurality of heat dissipation through holes (13) have been seted up in proper order to the up end of board in a poor light (11), and is a plurality of heat dissipation through holes (13) all pass board in a poor light (11) in proper order and extend to the lower terminal surface of installation shell (1).

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