CN219574547U

CN219574547U - Backlight module of liquid crystal display screen

Info

Publication number: CN219574547U
Application number: CN202320492901.1U
Authority: CN
Inventors: 尚莉莉; 卫宾
Original assignee: Beijing Zhuowen Jingshi Technology Development Co ltd
Current assignee: Beijing Zhuowen Jingshi Technology Development Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-08-22
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a backlight module of a liquid crystal display screen, which comprises a shell, a light-emitting module and a rubber pad, and is characterized in that a bottom cover is arranged at the bottom end of the shell, the light-emitting module is arranged in the center of the inside of the bottom cover, clamping blocks are respectively arranged at the periphery of the light-emitting module, one ends of the clamping blocks are respectively in clamping connection with the light-emitting module, the bottom ends of the clamping blocks are respectively fixedly connected with the inner wall of the bottom cover, heat dissipation holes are respectively arranged at the periphery of the light-emitting module, the rubber pad is arranged at the periphery of the bottom cover, the bottom end of the rubber pad is respectively in embedded connection with the bottom cover, bolts are respectively arranged at the periphery of the bottom end of the bottom cover, the bolts are movably connected with the bottom cover, the bottom end of the shell is in embedded connection with the top end of the bottom cover, the heat dissipation holes are uniformly distributed at the periphery of the bottom cover, and the bolts are movably connected with the round holes. The utility model has simple structure and convenient operation.

Description

Backlight module of liquid crystal display screen

Technical Field

The utility model relates to the technical field of liquid crystal display screens, in particular to a backlight module of a liquid crystal display screen.

Background

The backlight module is one of key components of the liquid crystal display. The function is to supply enough light source with uniform brightness and distribution to display image normally, the liquid crystal display screen is passive luminous element, the display screen is not luminous, but illuminated by the backlight system below, the backlight source and the liquid crystal display screen are combined to form a liquid crystal display module.

However, most of backlight modules of the existing liquid crystal display screen are complex in assembly, complex in operation, influencing the working efficiency, unsatisfactory in anti-vibration performance, easy to loose, and influencing the performance reliability and the service life of the liquid crystal display screen.

Disclosure of Invention

The utility model aims to provide a backlight module of a liquid crystal display screen, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a liquid crystal display backlight unit, includes casing, light emitting module and rubber pad, its characterized in that, the bottom is installed to the bottom of casing, install in the inside central authorities of bottom the light emitting module, the fixture block is installed respectively around the light emitting module, the one end of fixture block respectively with the light emitting module buckle is connected, the bottom of fixture block respectively with the inner wall fixed connection of bottom, the louvre is installed respectively around the light emitting module, install around the bottom the rubber pad, the bottom of rubber pad respectively with the bottom gomphosis is connected, the round hole is installed respectively around the rubber pad, the bolt is installed respectively around the bottom of bottom, the bolt with bottom swing joint.

Further, the bottom end of the shell is connected with the top end of the bottom cover in a jogged mode.

Further, the heat dissipation holes are uniformly distributed around the bottom cover.

Further, the bolt is movably connected with the round hole.

Further, screw holes are respectively formed in the periphery of the bottom end of the shell, and the screw holes are respectively in threaded connection with the top ends of the bolts.

Compared with the prior art, the utility model has the following beneficial effects:

the periphery of the bottom cover is respectively provided with the heat dissipation holes, so that the heat dissipation of the light-emitting module can be accelerated, and the normal low-temperature operation of equipment can be maintained. Simultaneously fix between bottom and the casing through the bolt, add the rubber pad and can play shock attenuation protection's function, the fixture block is installed with the connection of light emitting module, can be convenient for later stage to light emitting module's dismantlement maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall cross-sectional view of a backlight module of a liquid crystal display;

fig. 2 is an internal top view of a backlight module of a liquid crystal display.

Reference numerals:

1. a housing; 2. a bolt; 3. a rubber pad; 4. a bottom cover; 5. a heat radiation hole; 6. a round hole; 7. a clamping block; 8. a light emitting module.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms of "top", "bottom", "one side", "the other side", "front", "rear", "middle portion", "inner", "top", "bottom", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-2, a backlight module for a liquid crystal display according to an embodiment of the utility model includes a housing 1, a light emitting module 8 and a rubber pad 3, and is characterized in that a bottom cover 4 is installed at the bottom end of the housing 1, the light emitting module 8 is installed at the center of the inside of the bottom cover 4, clamping blocks 7 are installed around the light emitting module 8, one ends of the clamping blocks 7 are respectively connected with the light emitting module 8 in a fastening manner, the bottom ends of the clamping blocks 7 are respectively fixedly connected with the inner wall of the bottom cover 4, heat dissipation holes 5 are respectively installed around the light emitting module 8, the rubber pad 3 is installed around the bottom cover 4, the bottom ends of the rubber pad 3 are respectively connected with the bottom cover 4 in a jogged manner, round holes 6 are respectively installed around the rubber pad 3, bolts 2 are respectively installed around the bottom ends of the bottom cover 4, and the bolts 2 are movably connected with the bottom cover 4.

Through the scheme of the utility model, the bottom end of the shell 1 is connected with the top end of the bottom cover 4 in a jogged way, the heat dissipation holes 5 are uniformly distributed around the bottom cover 4, the bolts 2 are movably connected with the round holes 6, screw holes are respectively arranged around the bottom end of the shell 1, and the screw holes are respectively connected with the top ends of the bolts 2 in a threaded way.

Working principle: the periphery of the bottom cover is respectively provided with the heat dissipation holes, so that the heat dissipation of the light-emitting module can be accelerated, and the normal low-temperature operation of equipment can be maintained. Simultaneously fix between bottom and the casing through the bolt, add the rubber pad and can play shock attenuation protection's function, the fixture block is installed with the connection of light emitting module, can be convenient for later stage to light emitting module's dismantlement maintenance.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above-described embodiment, but may be modified or substituted for some of the technical features described in the above-described embodiments by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a liquid crystal display backlight unit, includes casing (1), luminous module (8) and rubber pad (3), its characterized in that, bottom (4) are installed to the bottom of casing (1), install in the inside central authorities of bottom (4) luminous module (8), fixture block (7) are installed respectively around luminous module (8), the one end of fixture block (7) respectively with luminous module (8) buckle is connected, the bottom of fixture block (7) respectively with inner wall fixed connection of bottom (4), louvre (5) are installed respectively around luminous module (8), install around bottom (4) rubber pad (3), the bottom of rubber pad (3) respectively with bottom (4) gomphosis is connected, round hole (6) are installed respectively around rubber pad (3), bolt (2) are installed respectively around the bottom of bottom (4), bolt (2) with bottom (4) swing joint.

2. The backlight module of claim 1, wherein the bottom end of the housing (1) is connected with the top end of the bottom cover (4) in a fitting manner.

3. A backlight module of a liquid crystal display screen according to claim 1, wherein the heat dissipation holes (5) are uniformly distributed around the bottom cover (4).

4. A backlight module of a liquid crystal display according to claim 1, characterized in that the bolt (2) is movably connected with the circular hole (6).

5. The backlight module of claim 1, wherein screw holes are respectively arranged around the bottom end of the housing (1), and the screw holes are respectively connected with the top ends of the bolts (2) in a threaded manner.