CN219225268U

CN219225268U - LCD backlight panel structure

Info

Publication number: CN219225268U
Application number: CN202320370389.3U
Authority: CN
Inventors: 刘强; 肖亮; 刘赛
Original assignee: Shenzhen Chuanglixin Electronics Co ltd
Current assignee: Shenzhen Chuanglixin Electronics Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-20
Anticipated expiration: 2033-02-20

Abstract

The utility model provides an LCD backlight panel structure, which comprises a backlight panel and a backlight body, wherein the backlight body is positioned on the upper side of the backlight panel, light blocking strips are fixedly connected to the periphery of the backlight panel, the four light blocking strips are fixedly connected end to end, a compression bar is arranged on the upper side of the backlight panel, the compression bar corresponds to four sides of the backlight body, three pressing blocks are arranged at four corners of the backlight panel, the three pressing blocks are fixedly connected with the compression bar, and first bolts are in threaded fit with the four three pressing blocks and the backlight panel. According to the utility model, the pressing rods are arranged on the upper side of the backlight panel, the three-head pressing blocks are arranged at the four corners of the backlight panel, and the backlight body can be clamped and fixed through the pressing rods and the three-head pressing blocks.

Description

LCD backlight panel structure

Technical Field

The utility model relates to the technical field of liquid crystal display screens, in particular to an LCD backlight panel structure.

Background

The LCD backlight panel is a structure of a liquid crystal display screen for placing a backlight, most of the existing backlight is an LED backlight, most of the LED backlight is adhered and fixed with the backlight panel through an adhesive tape or a double-sided adhesive tape, but the traditional adhesive tape or double-sided adhesive tape is affected by temperature, along with temperature rise, adhesion effect is poor, when the backlight is used, the backlight can generate heat, higher temperature can affect adhesion effect of the adhesive tape, and finally the backlight and the backlight panel can be possibly caused to fall off, so that the quality of the liquid crystal display is affected.

To this end, the present utility model provides an LCD backlight panel structure.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide an LCD backlight panel structure so as to solve the problems in the background art, the LCD backlight panel structure is more stable, is not influenced by temperature, is convenient to disassemble and maintain, and improves the quality of liquid crystal in a desired period; light leakage is also prevented.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a LCD backlight panel structure, includes backlight panel and backlight body, the backlight body is located backlight panel upside, all around of backlight panel all fixedly connected with strip that is in light, and the depression bar has been installed to end fixed connection between four strip that are in light, backlight panel upside, and the depression bar is corresponding with the four sides of backlight body, and three briquetting has all been installed to the four corners department of backlight panel, three briquetting and depression bar fixed connection, and four three briquetting all have first bolt with the screw-thread fit between the backlight panel, screw-thread fit has a plurality of second bolts between depression bar and the strip that is in light.

Further, the three-head pressing block comprises two connecting ends and a fixed end, and the fixed end is in threaded fit with the first bolt.

Furthermore, a slot is formed in the connecting end, and inserting blocks are arranged at two ends of the compression bar and correspond to the slot.

Furthermore, springs are arranged at four corners of the backlight panel, and the springs correspond to the fixed ends.

Further, first thread grooves are formed in four corners of the backlight panel, and the first thread grooves correspond to the first bolts.

Further, a plurality of air vents are formed in the first thread groove.

Further, a plurality of second thread grooves are formed in the light blocking strip, and the second thread grooves correspond to the second bolts.

The utility model has the beneficial effects that: the utility model relates to an LCD backlight panel structure, which comprises a backlight panel; a compression bar; a three-head pressing block; a backlight body; a light blocking strip.

The pressure bar is arranged on the upper side of the backlight panel, the three pressing blocks are arranged at the four corners of the backlight panel, the backlight body can be clamped and fixed through the pressure bar and the three pressing blocks, compared with the adhesive tape, the pressure bar and the three pressing blocks are used for clamping and fixing, the pressure bar and the three pressing blocks are more stable, the pressure bar and the three pressing blocks are not affected by temperature, the pressure bar is convenient to detach and maintain, the quality of liquid crystal in a desired period is improved, the light blocking strips are arranged on the periphery of the backlight panel, the edges of the backlight panel can be shielded, and light leakage is prevented.

Drawings

FIG. 1 is a schematic diagram of the whole structure of an LCD backlight panel according to the present utility model;

FIG. 2 is a schematic diagram showing a structure of a backlight panel and a light blocking strip in an LCD backlight panel structure according to the present utility model;

FIG. 3 is a schematic diagram of a light blocking strip and a compression bar in an LCD backlight panel structure according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a three-head press block and a press rod in an LCD backlight panel structure according to the present utility model;

in the figure: 1. a backlight panel; 2. a light blocking strip; 3. a compression bar; 4. a first thread groove; 5. a second thread groove; 6. a first bolt; 7. a second bolt; 8. a three-head pressing block; 801. a connection end; 802. a fixed end; 9. a spring; 10. a vent; 11. a slot; 12. and (5) inserting blocks.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a LCD backlight panel structure, includes backlight panel 1 and backlight body, the backlight body is located backlight panel 1 upside, equal fixedly connected with in the back light panel 1 all around is in the light strip 2, head and tail fixed connection between four are in the light strip 2, depression bar 3 has been installed to backlight panel 1 upside, depression bar 3 is corresponding with the four sides of backlight body, three briquetting 8 have all been installed in the four corners department of backlight panel 1, three briquetting 8 and depression bar 3 fixed connection, screw thread fit has first bolt 6 between four three briquetting 8 and the backlight panel 1, screw thread fit has a plurality of second bolts 7 between depression bar 3 and the strip 2 that is in the light.

In this embodiment, the three-head pressing block 8 includes two connection ends 801 and a fixed end 802, the fixed end 802 is in threaded fit with the first bolt 6, a slot 11 is formed in the connection end 801, the two ends of the pressing rod 3 are respectively provided with an inserting block 12, the inserting blocks 12 correspond to the slot 11, the connection end 801 is clamped with the pressing rod 3 through the inserting blocks 12 and the slot 11, springs 9 are respectively arranged at four corners of the backlight panel 1, the springs 9 correspond to the fixed end 802, first thread grooves 4 are respectively formed at four corners of the backlight panel 1, the first thread grooves 4 correspond to the first bolts 6, a plurality of air vents 10 are formed in the first thread grooves 4, a plurality of second thread grooves 5 are formed in the light blocking strips 2, the second thread grooves 5 correspond to the second bolts 7, and the backlight body is an LED backlight body of a liquid crystal display screen.

Specifically, when the backlight body and the backlight panel 1 are installed, only the backlight body is required to be flatly placed on the backlight panel 1, then the compression bar 3 and the three-head pressing block 8 are placed, the fixed end 802 of the three-head pressing block 8 is placed at four corners of the backlight panel 1, the compression bar 3 is attached to the inner side opposite to the light blocking strip 2, then the first bolt 6 is screwed, the first bolt 6 is screwed downwards, the first bolt 6 downwards presses the three-head pressing block 8, the three-head pressing block 8 drives the compression bar 3 to downwards press, the compression bar 3 compresses four sides of the backlight body, then the second bolt 7 is screwed, the second bolt 7 enters the second thread groove 5, the compression bar 3 is fixed, the compression bar 3 is prevented from shaking up and down, and the backlight body is fixed.

When the backlight body is used, the backlight body can emit heat, gas at the lower side of the backlight body can diffuse, the gas can be dispersed from the air vent 10 at the moment, the middle part of the backlight body is prevented from swelling, and the air vent 10 can also play a part of heat dissipation effect.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a LCD backlight panel structure, includes backlight panel (1) and backlight body, its characterized in that, the backlight body is located backlight panel (1) upside, equal fixedly connected with in the periphery of backlight panel (1) is in light strip (2), head and tail fixed connection between four are in light strip (2), depression bar (3) have been installed to backlight panel (1) upside, depression bar (3) are corresponding with the four sides of backlight body, three briquetting (8) have all been installed in the four corners department of backlight panel (1), three briquetting (8) and depression bar (3) fixed connection, screw-thread fit has first bolt (6) between four three briquetting (8) and backlight panel (1), screw-thread fit has a plurality of second bolts (7) between depression bar (3) and the strip of being in light (2).

2. The LCD backlight panel structure of claim 1, wherein: the three-head pressing block (8) comprises two connecting ends (801) and a fixed end (802), and the fixed end (802) is in threaded fit with the first bolt (6).

3. The LCD backlight panel structure of claim 2, wherein: the connecting end (801) is internally provided with a slot (11), two ends of the compression bar (3) are respectively provided with an inserting block (12), and the inserting blocks (12) correspond to the slot (11).

4. The LCD backlight panel structure of claim 2, wherein: springs (9) are arranged at four corners of the backlight panel (1), and the springs (9) correspond to the fixed ends (802).

5. The LCD backlight panel structure of claim 1, wherein: the four corners of the backlight panel (1) are provided with first thread grooves (4), and the first thread grooves (4) correspond to the first bolts (6).

6. The LCD backlight panel structure of claim 5, wherein: a plurality of air vents (10) are formed in the first thread groove (4).

7. The LCD backlight panel structure of claim 1, wherein: a plurality of second thread grooves (5) are formed in the light blocking strip (2), and the second thread grooves (5) correspond to the second bolts (7).