CN214795495U

CN214795495U - Novel backlight unit rubber frame

Info

Publication number: CN214795495U
Application number: CN202120480498.1U
Authority: CN
Inventors: 吴盼; 邵敏刚; 张敏强; 周先发; 陈宝富; 罗松文; 杨建波; 高发普; 陈冬; 廖传美; 汪华书; 程利; 王建军; 韦良欢; 李雪平
Original assignee: Chongqing Jiatailuo Photoelectric Technology Co ltd
Current assignee: Chongqing Jiatailuo Photoelectric Technology Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-11-19
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a novel backlight module rubber frame, which comprises a first frame body, a second frame body and a third frame body; the first frame body is of a U-shaped structure, is clamped on one side of the back plate and is arranged along the edge of the back plate; the second frame body and the third frame body are vertically lapped with the first frame body and are arranged along the edge of the back plate through the bending part and the blocking part of the back plate; the sum of the lengths of the second frame body and the third frame body is less than the length of the edge of the back plate; a clamping part is arranged on the outer peripheral side of the first frame body and stretches towards the inner side of the first frame body to form a clamping groove; the clamping part is provided with a first bulge with an L-shaped section, and the first bulge is matched with the clamping groove hole of the back plate. The utility model provides a pair of novel frame is glued to backlight unit, its is rational in infrastructure, and it is convenient to install, sets up spacing distance between second framework and third framework to reduce the stress concentration of framework, guarantee the roughness of backlight unit assembly.

Description

Novel backlight unit rubber frame

Technical Field

The utility model belongs to the technical field of liquid crystal display, a novel frame is glued to backlight unit is related to.

Background

Liquid crystal display technology has been developed to replace the cathode ray tube display technology, and has become the main market. The lcd includes a liquid crystal panel and a backlight Unit (BLU) for providing a Light source to the liquid crystal panel.

The backlight module generally includes a light guide plate and other optical elements, and a frame structure for fixing the light guide plate and other optical elements, and functions to provide sufficient light sources with uniform brightness and distribution, so that the backlight module can normally display images. The frame structure comprises a metal frame and a rubber frame. In the prior art, the rubber frame is designed integrally, and assembly errors exist in the rubber frame, so that the flatness of the integral assembly of the backlight module is affected due to the fact that the top surface of the rubber frame is not flat, and the use performance of the backlight module is affected.

Therefore, it is highly desirable to design a novel backlight module rubber frame to solve the technical problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the partial technical problem that exists among the prior art to a certain extent at least, the novel frame is glued to backlight unit who provides, and its is rational in infrastructure, and it is convenient to install, sets up spacing distance between second framework and third framework to reduce the stress concentration of framework, guarantee the roughness of backlight unit assembly.

In order to solve the above technical problems, the utility model provides a novel backlight module rubber frame, which comprises a first frame body, a second frame body and a third frame body; the first frame body is of a U-shaped structure, is clamped on one side of the back plate and is arranged along the edge of the back plate; the second frame body and the third frame body are vertically lapped with the first frame body and are arranged along the edge of the back plate through the bending part and the blocking part of the back plate; the sum of the lengths of the second frame body and the third frame body is less than the length of the edge of the back plate; a clamping part is arranged on the outer peripheral side of the first frame body and stretches towards the inner side of the first frame body to form a clamping groove; the clamping part is provided with a first bulge with an L-shaped section, and the first bulge is matched with the clamping groove hole of the back plate.

In a preferred embodiment, the end of the first frame is provided with a second protrusion located on the top surface of the first frame.

As a preferred embodiment, the second protrusion extends towards the upper side and has an extension height of 1mm-5 mm.

In a preferred embodiment, the second frame body is a rectangular strip structure, and a first concave portion is arranged at an end portion of the second frame body, the first concave portion is matched with the blocking portion of the back plate, and the first concave portion is located on a side surface of the first frame body.

In a preferred embodiment, the second frame body is further provided with a second concave portion, the second concave portion is disposed on the bottom surface of the second frame body and is matched with the bent portion of the back plate, and the second concave portion is clamped to the bent portion of the back plate, so that the top surface of the second frame body is a horizontal plane.

In a preferred embodiment, a gap is provided between the end surface of the second concave part and the end surface of the bent part, and the gap is 0.5mm-5 mm.

In a preferred embodiment, the second frame further includes a third recess disposed on the top surface of the second frame and located at an end of the second frame.

In a preferred embodiment, the length of the third recess is 1/5-1/3 of the length of the second frame body.

In a preferred embodiment, the top surface of the third frame is provided with a fourth recess located on the top surface of the third frame and extending in the longitudinal direction of the third frame.

In a preferred embodiment, the fourth recess is located at a middle position of the third frame body, and has a depth of 0.5mm to 2 mm.

The utility model discloses beneficial effect:

the utility model provides a pair of novel frame is glued to backlight unit, its is rational in infrastructure, and it is convenient to install, sets up spacing distance between second framework and third framework to reduce the stress concentration of framework, guarantee the roughness of backlight unit assembly.

Drawings

The above advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and do not limit the present invention, and in which:

fig. 1 is a schematic structural view of a novel backlight module rubber frame according to the present invention;

FIG. 2 is an exploded view of the corresponding components of FIG. 1;

fig. 3 is a schematic view of the assembly of the novel backlight module rubber frame to the back plate of the present invention;

FIG. 4 is a schematic view of a corner of the assembly formed by the frame and the back plate of the novel backlight module of FIG. 3;

fig. 5 is a schematic view of the end position of the first frame of the present invention;

fig. 6 is a schematic view of the position of the first frame bending portion according to the present invention;

fig. 7 is a schematic structural view of the second frame body of the present invention;

fig. 8 is a schematic view of the end position of the second frame of the present invention;

FIG. 9 is a schematic view from the rear side of the second frame end position of FIG. 8;

fig. 10 is a schematic structural view of a third frame body according to the present invention.

In the drawings, the reference numerals denote the following components:

10. a first frame body; 11. a clamping part; 11a. a first projection; 12. a second protrusion;

20. a second frame body; 21. a first recess; 22. a second recess; 23. a third recess;

30. a third frame body; 31. a fourth recess;

40. a back plate; 41. a bending part; 42. a blocking portion.

Detailed Description

Fig. 1 to fig. 10 are schematic diagrams related to a novel backlight module glue frame according to the present application, and the following describes the present invention in detail with reference to specific embodiments and accompanying drawings.

The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

A novel structure sketch map of frame is glued to backlight unit, as shown in fig. 1 to fig. 4. The novel backlight module rubber frame comprises a first frame body 10, a second frame body 20 and a third frame body 30, and fig. 2 is a partial enlarged view of the novel backlight module rubber frame.

In fig. 3, the first frame 10 is a U-shaped structure, which is fastened to one side of the back plate 40 and is disposed along an edge of the back plate 40. The second frame body 20 and the third frame body 30 are vertically overlapped with the first frame body 10 and are disposed along an edge of the back plate 40 through the bent portion 41 and the blocking portion 42 of the back plate 40, as shown in fig. 4.

The utility model discloses in, first framework 10, second framework 20 and third framework 30 are made by polycarbonate, and it has fire retardance, oxidation resistance, is applicable to liquid crystal display technical field.

The sum of the lengths of the second frame body 20 and the third frame body 30 is less than the length of the edge of the back plate 40, so that the stress concentration of the frame bodies is reduced, and the assembly flatness of the backlight module is ensured; a clamping part 11 is arranged on the outer periphery of the first frame body 10, and the clamping part 11 is arranged in a telescopic manner towards the inner side of the first frame body 10 to form a clamping groove; the clamping part 11 is provided with a first protrusion 11a with an L-shaped cross section, as shown in fig. 6, the first protrusion 11a is matched with the slot hole of the back plate 40. The distance of the inward expansion and contraction of the clamping part 11 is the thickness of a vertical plate formed by upward extension of the outer peripheral side of the back plate 40, so that the first frame 10 is clamped to the back plate 40.

Specifically, the first protrusions 11a are uniformly spaced along the first frame body 10, and are mounted in the slot holes of the back plate 40, so as to ensure the reliability of the mounting of the first frame body 10.

Further, the end of the first frame body 10 is provided with a second protrusion 12, as shown in fig. 5, which is located on the top surface of the first frame body 10. The second protrusion 12 extends towards the upper side, and the extending height is 1mm-5 mm. The novel backlight module rubber frame is arranged behind the back plate 40, and the top surface of the first protrusion 12 is flush with the top surfaces of the second frame body 20 and the third frame body 30, so that the flatness of the overall assembly of the backlight module is guaranteed.

As an embodiment of the present invention, the second frame 20 shown in fig. 7 is a rectangular bar structure, and the end of the second frame is provided with a first concave portion 21, as shown in fig. 8, the first concave portion 21 is matched with the blocking portion 42 of the back plate 40, and the first concave portion 21 is located at the side of the first frame 20.

The second frame 20 is further provided with a second concave portion 22, as shown in fig. 9, the second concave portion 22 is disposed on the bottom surface of the second frame 20 and is matched with the bent portion 41 of the back plate 40, and the second concave portion 22 is clamped to the bent portion 41 of the back plate 40, so that the top surface of the second frame 20 is a horizontal surface.

A gap is formed between the end surface of the second concave portion 22 and the end surface of the bent portion 41, and the gap is 0.5mm-5mm, so as to avoid stress concentration caused by interference between the second frame body 20 and the bent portion 41 of the back plate.

In the embodiment shown in fig. 7, the second frame 20 is further provided with a third recess 23, which is disposed on the top surface of the second frame 20 and is located at an end of the second frame 20. The length of the third concave portion 23 is 1/5-1/3 of the length of the second frame body 20.

The utility model discloses in, the end structure of third framework 30 is unanimous with the structure of second framework 20, all disposes first concave part 21 and second concave part 22 for third framework 30 is reliably fixed with backplate 40.

In fig. 10, a fourth recess 31 is disposed on the top surface of the third housing 30, and is located on the top surface of the third housing 30 and is provided along the longitudinal direction of the third housing 30. The fourth recess 31 is located at the middle position of the third frame 30, and has a depth of 0.5mm-2mm to eliminate stress concentration.

Compare in prior art's shortcoming and not enough, the utility model provides a pair of novel frame is glued to backlight unit, its is rational in infrastructure, and it is convenient to install, sets up spacing distance between second framework and third framework to reduce the stress concentration of framework, guarantee the roughness of backlight unit assembly.

The present invention is not limited to the above embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is included in the technical solution that is the same as or similar to the present invention.

Claims

1. A novel backlight module rubber frame is characterized by comprising a first frame body, a second frame body and a third frame body; the first frame body is of a U-shaped structure, is clamped on one side of the back plate and is arranged along the edge of the back plate; the second frame body and the third frame body are vertically lapped with the first frame body and are arranged along the edge of the back plate through the bending part and the blocking part of the back plate; the sum of the lengths of the second frame body and the third frame body is less than the length of the edge of the back plate; a clamping part is arranged on the outer peripheral side of the first frame body and stretches towards the inner side of the first frame body to form a clamping groove; the clamping part is provided with a first bulge with an L-shaped section, and the first bulge is matched with the clamping groove hole of the back plate.

2. The novel backlight module rubber frame as claimed in claim 1, wherein the end of the first frame body is configured with a second protrusion, which is located on the top surface of the first frame body.

3. The novel backlight module rubber frame as claimed in claim 2, wherein the second protrusions extend towards the upper side, and the extending height is 1mm-5 mm.

4. The novel backlight module rubber frame as claimed in claim 1, wherein the second frame body is a rectangular strip structure, a first concave portion is arranged at an end portion of the second frame body, the first concave portion is matched with the blocking portion of the back plate, and the first concave portion is located on a side surface of the first frame body.

5. The novel backlight module frame according to claim 4, wherein the second frame further comprises a second recess disposed on a bottom surface of the second frame, the second recess is matched with the bending portion of the back plate, and the second recess is connected to the bending portion of the back plate in a clamping manner, so that the top surface of the second frame is a horizontal surface.

6. The novel backlight module rubber frame as claimed in claim 5, wherein a gap is provided between the end surface of the second concave portion and the end surface of the bending portion, and the gap is 0.5mm-5 mm.

7. The novel backlight module glue frame of claim 4, wherein the second frame body is further configured with a third concave portion, which is disposed on the top surface of the second frame body and located at the end portion of the second frame body.

8. The novel backlight module frame of claim 7, wherein the third recess has a length 1/5-1/3 of the length of the second frame body.

9. The novel backlight module rubber frame as claimed in claim 1, wherein the top surface of the third frame body is configured with a fourth concave portion, which is located on the top surface of the third frame body and arranged along the length direction of the third frame body.

10. The novel backlight module rubber frame as claimed in claim 9, wherein the fourth concave portion is located at the middle position of the third frame body, and the depth of the fourth concave portion is 0.5mm-2 mm.