CN217639880U

CN217639880U - Long-acting durable backlight source for LCD (liquid crystal display) liquid crystal screen

Info

Publication number: CN217639880U
Application number: CN202221802634.5U
Authority: CN
Inventors: 王君辉
Original assignee: Jiangsu Jinrun Photoelectric Co ltd
Current assignee: Jiangsu Jinrun Photoelectric Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-10-21
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a long-term durable backlight for LCD screen relates to LCD backlight technical field, its technical scheme main points are including the light guide plate, the both ends of light guide plate all are equipped with the base, it has the embedded groove with light guide plate looks adaptation to open on the base, the below of base is equipped with the bottom plate, through a plurality of bullet ring interconnect between base and the bottom plate, the mounting hole has all been opened at the both ends of bottom plate, the effect is through setting up the bullet ring, when the light guide plate receives great pressure, bullet ring atress deformation, thereby cushion pressure, effectively avoid the light guide plate to produce and break.

Description

Long-acting durable backlight source for LCD (liquid crystal display) liquid crystal screen

Technical Field

The utility model relates to a LCD backlight technical field, more specifically say, it relates to a long-term durable backlight for LCD liquid crystal screen.

Background

The backlight source is a light source positioned at the back of a Liquid Crystal Display (LCD), the luminous effect of the backlight source directly influences the visual effect of the liquid crystal display module, the liquid crystal display does not emit light, and the backlight source displays graphs or the result of light modulation;

however, most of the existing backlights still have defects, for example, when the pressing force is too large, the light guide plate on the backlight is easy to break, the heat dissipation effect is poor, overheating is easy to occur after long-term use, the display is damaged, and the light guide plate on the backlight is troublesome to disassemble and inconvenient for subsequent maintenance, so that a long-acting and durable backlight for an LCD liquid crystal screen is provided.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a long-term durable backlight for LCD liquid crystal display.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a long-term durable backlight for LCD screen, includes the light guide plate, the both ends of light guide plate all are equipped with the base, it has the embedded groove with light guide plate looks adaptation to open on the base, the below of base is equipped with the bottom plate, through a plurality of rings interconnect between base and the bottom plate, the mounting hole has all been opened at the both ends of bottom plate.

Preferably, the arc wall has all been opened at the both ends of light guide plate, and all install on the lateral wall that two bases are close to the light guide plate and correspond the LED lamp strip of arc wall looks adaptation, it has the heat dissipation strip to embed on the lateral wall of base, the heat dissipation strip is laminated with LED lamp strip mutually.

Preferably, a pair of folded plates of equal fixedly connected with on the lateral wall that two bases are close to each other, and a plurality of folded plates are located the both sides of light guide plate respectively, the both sides of light guide plate all be equipped with the connecting plate that corresponds folded plate looks adaptation, and all open the connecting hole that has the looks adaptation with the both ends of connecting plate on the lateral wall of folded plate, equal fixedly connected with location strip on the lateral wall that two connecting plates are close to each other, all open the constant head tank with corresponding location strip looks adaptation on the lateral wall of light guide plate both sides.

Preferably, rubber pads are arranged between four corners of the light guide plate and the base.

Preferably, both ends of the side wall of the base are provided with line holes.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. by arranging the elastic ring, when the light guide plate is subjected to larger pressure, the elastic ring is stressed and deformed, so that the pressure is buffered, and the light guide plate is effectively prevented from being broken;

2. by arranging the heat dissipation strip which is made of metal with good heat absorption and dissipation effects, the heat dissipation strip can absorb heat of the LED light bar and dissipate the heat, so that overheating is avoided;

3. through setting up the connecting plate, when the connecting plate is accomplished to be connected fixedly with the base, the joint can be accomplished with the constant head tank to the location strip to fix the position of light guide plate, guaranteed the complete on light guide plate surface simultaneously, and pull down the connecting plate, alright take out the light guide plate, the follow-up maintenance of being convenient for.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is an exploded view of the base and the connecting plate according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a bottom plate and an elastic ring according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of the arc-shaped groove and the LED light bar according to the embodiment of the present invention;

fig. 5 is an exploded view of the positioning strip and the positioning groove according to the embodiment of the present invention.

In the figure: 1. a light guide plate; 2. a base; 3. embedding the groove; 4. a base plate; 5. a spring ring; 6. mounting holes; 7. an arc-shaped slot; 8. an LED light bar; 9. a heat dissipation strip; 10. folding the plate; 11. a connecting plate; 12. connecting holes; 13. a positioning bar; 14. positioning a groove; 15. a rubber pad; 16. a wire hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the utility model provides a technical scheme: a long-acting durable backlight source for LCD (liquid crystal display) liquid crystal screens comprises a light guide plate 1, wherein bases 2 are arranged at two ends of the light guide plate 1, embedded grooves 3 matched with the light guide plate 1 are formed in the bases 2, as shown in figure 2, two ends of the light guide plate 1 can be respectively clamped with the embedded grooves 3 on the two bases 2, the two ends of the light guide plate 1 can be supported by the two bases 2, a bottom plate 4 is arranged below the bases 2, the bases 2 and the bottom plate 4 are mutually connected through a plurality of elastic rings 5, as shown in figures 3-4, the elastic rings 5 can elastically deform to a certain degree when stressed and can restore to the original state when not stressed, mounting holes 6 are formed in two ends of the bottom plate 4, and the backlight source can be conveniently mounted and fixed by using bolts in cooperation with the mounting holes 6;

when the light guide plate 1 is under a large pressure, the elastic ring 5 is deformed under the stress, so that the pressure is buffered, and the light guide plate 1 is effectively prevented from being broken.

Particularly, arc wall 7 has all been opened at the both ends of light guide plate 1, and all install on the lateral wall that two bases 2 are close to light guide plate 1 with the LED lamp strip 8 that corresponds arc wall 7 looks adaptation, like fig. 4, LED lamp strip 8 is as the light source, and the cambered surface of arc wall 7 can be with the even internal diffusion of light to light guide plate 1, and the both ends of light guide plate 1 all are equipped with LED lamp strip 8 as the light source to improve the display effect of light guide plate 1, embedded on the lateral wall of base 2 has heat dissipation strip 9, and heat dissipation strip 9 is for the metal that the heat absorption radiating effect is good, heat dissipation strip 9 is laminated with LED lamp strip 8 mutually, like fig. 4, heat dissipation strip 9 can absorb the heat of LED lamp strip 8 and dispel the heat, thereby avoids overheated.

Specifically, a pair of folded plates 10 are fixedly connected to the side walls of the two bases 2 close to each other, and the plurality of folded plates 10 are respectively located at two sides of the light guide plate 1, the two sides of the light guide plate 1 are respectively provided with a connecting plate 11 adapted to the corresponding folded plate 10, and the side walls of the folded plates 10 and two ends of the connecting plates 11 are respectively provided with connecting holes 12 adapted to each other, as shown in fig. 5, the folded plates 10 and the connecting holes 12 on the connecting plates 11 can be fixedly connected by bolts as shown in fig. 2, so that two ends of the connecting plates 11 are respectively fixedly connected to the bases 2 at two sides, the side walls of the two connecting plates 11 close to each other are respectively and fixedly connected with a positioning strip 13, and the side walls of the two sides of the light guide plate 1 are respectively provided with positioning slots 14 adapted to the corresponding positioning strips 13, as shown in fig. 5, when the connecting plates 11 and the bases 2 are fixedly connected, the positioning strips 13 are clamped with the positioning slots 14, so as to fix the position of the light guide plate 1, and ensure the integrity of the surface of the light guide plate 1;

and the light guide plate 1 can be taken out by detaching the connecting plate 11, thereby facilitating the subsequent maintenance.

Specifically, rubber pads 15 are provided between the four corners of the light guide plate 1 and the base 2, and further protect the light guide plate 1.

Particularly, wired hole 16 is all opened at the lateral wall both ends of base 2, the wire of LED lamp strip 8 of being convenient for is connected.

The working principle is as follows: as shown in fig. 2, two ends of the light guide plate 1 can be respectively clamped with the embedded grooves 3 on the two bases 2, the two bases 2 can support the two ends of the light guide plate 1, and when the light guide plate 1 is subjected to a large pressure, the elastic ring 5 is deformed under the stress, so that the pressure is buffered, and the light guide plate 1 is effectively prevented from being broken;

as shown in fig. 4, the LED light bar 8 is used as a light source, the arc surface of the arc-shaped groove 7 can uniformly diffuse light into the light guide plate 1, and the heat dissipation strip 9 can absorb heat of the LED light bar 8 and dissipate the heat, thereby avoiding overheating;

as shown in fig. 5, when the connection board 11 is connected and fixed with the base 2, the positioning strip 13 is clamped with the positioning groove 14, so as to fix the position of the light guide plate 1 and ensure the integrity of the surface of the light guide plate 1.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a long-term durable LCD is backlight for LCD screen, includes light guide plate (1), characterized by: the both ends of light guide plate (1) all are equipped with base (2), open on base (2) have with embedded groove (3) of light guide plate (1) looks adaptation, the below of base (2) is equipped with bottom plate (4), through a plurality of elastic ring (5) interconnect between base (2) and bottom plate (4), mounting hole (6) have all been opened at the both ends of bottom plate (4).

2. The long-lasting and durable backlight source for the LCD screen as claimed in claim 1, wherein: arc wall (7) have all been opened at the both ends of light guide plate (1), and all install on two bases (2) are close to the lateral wall of light guide plate (1) with LED lamp strip (8) that correspond arc wall (7) looks adaptation, it has heat dissipation strip (9) to embed on the lateral wall of base (2), heat dissipation strip (9) are laminated with LED lamp strip (8) mutually.

3. The long-lasting and durable backlight source for LCD panels as claimed in claim 1, wherein: equal a pair of folded plate (10) of fixedly connected with on the lateral wall that two bases (2) are close to each other, and a plurality of folded plate (10) are located the both sides of light guide plate (1) respectively, the both sides of light guide plate (1) all are equipped with and correspond connecting plate (11) of folded plate (10) looks adaptation, and all open connecting hole (12) that have the looks adaptation with the both ends of connecting plate (11) on the lateral wall of folded plate (10), equal fixedly connected with location strip (13) on the lateral wall that two connecting plates (11) are close to each other, all open constant head tank (14) with corresponding location strip (13) looks adaptation on the lateral wall of light guide plate (1) both sides.

4. The long-lasting and durable backlight source for LCD panels as claimed in claim 1, wherein: rubber pads (15) are arranged between the four corners of the light guide plate (1) and the base (2).

5. The long-lasting and durable backlight source for LCD panels as claimed in claim 1, wherein: both ends of the side wall of the base (2) are provided with wire holes (16).