CN217133502U

CN217133502U - Assembled backlight module

Info

Publication number: CN217133502U
Application number: CN202123400827.6U
Authority: CN
Inventors: 李丹奇; 陈子
Original assignee: Changzhou Tianlu Display Technology Co ltd
Current assignee: Changzhou Tianlu Display Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-05
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an assemble type backlight unit, which comprises a frame, the frame right side has set gradually the reflecting plate from the left hand right side, the luminescent plate, the light guide plate, the diffuser plate, left side intensifying board and right intensifying board, the right side of frame is close to four corners and has all clamped the blank holder board that compresses tightly fixed to right intensifying board, the upside intermediate position of frame is provided with the reference column of long circle, the reflecting plate, the luminescent plate, the light guide plate, the diffuser plate, the upside of left side intensifying board and right intensifying board all is provided with the location limit of cover on the reference column, when assembling backlight unit, with the reflecting plate, the luminescent plate, the light guide plate, the diffuser plate, the inboard at the frame is installed to left side intensifying board and right intensifying board one side, fix the location when installing on the reference column through the cover simultaneously, and compress tightly fixedly through the blank holder board, make backlight unit assemble convenience more.

Description

Assembled backlight module

Technical Field

The utility model relates to a backlight unit technical field specifically is an assembly type backlight unit.

Background

The backlight module is one of the key components of the liquid crystal display panel. The function is to provide sufficient brightness and light source with even distribution, so that the LCD can normally display images, and the backlight module is an important component of the LCD.

The applicant of the present invention finds that the installation and positioning of each component in the existing backlight module is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an assemble type backlight unit aims at improving the inconvenient problem of installation location of each subassembly among the current backlight unit.

The utility model discloses a realize like this:

the utility model provides an assemble type backlight unit, which comprises an outer frame, the frame right side has set gradually the reflecting plate from the left hand right side, the luminescent plate, the light guide plate, the diffuser plate, left side adds the worn-out fur and right side and adds the worn-out fur, the right side of frame is close to four corners and all clamps the pressed edge board that compresses tightly fixed to right side and adds the worn-out fur, the upside intermediate position of frame is provided with the reference column of long circle, the reflecting plate, the luminescent plate, the light guide plate, the diffuser plate, the upside of left side and right side and adding the worn-out fur all is provided with the locating edge of cover on the reference column, when assembling backlight unit, with the reflecting plate, the luminescent plate, the light guide plate, the diffuser plate, the inboard at the frame is installed to left side and right side and add the worn-out fur one side, fix the location when installing on the reference column through the cover simultaneously, and compress tightly fixedly through the pressed edge board, make backlight unit assemble convenience more.

Further, the position that the frame upside corresponds with the reference column is provided with the mounting groove, and the frame is close to four corners and all is provided with the fixed slot with blank holder complex, and the frame is provided with the installation cavity towards one side of reflecting plate, and the frame realizes the location fit with the location limit through the mounting groove that sets up to realize clamping the fixed of blank holder through the fixed slot that sets up.

Furthermore, the positioning column is formed by arranging a plurality of stages of step columns from large to small, the heights of the step columns are matched with the thicknesses of the reflecting plate, the light emitting plate, the light guide plate, the diffusion plate, the left light increasing plate and the right light increasing plate, and the reflecting plate, the light emitting plate, the light guide plate, the diffusion plate, the left light increasing plate and the right light increasing plate are positioned in a one-to-one correspondence mode through the arranged plurality of stages of step columns.

Further, the locating edge on reflecting plate, luminescent plate, light guide plate, diffuser plate, left side increase the tabula rase and right side increase the tabula rase all is provided with the locating hole with the size one-to-one of step post, through the reflecting plate, the luminescent plate, the light guide plate, the diffuser plate, the locating hole that set up on left side increase tabula rase and the right side increase the tabula rase and each step post one-to-one realizes reflecting plate, luminescent plate, light guide plate, diffuser plate, left side increase tabula rase and right side increase tabula rase and correspond the installation and avoid appearing the condition in disorder of order.

Furthermore, the side of blank holder towards the frame is provided with a plurality of evenly distributed's the post of inserting, and one side of blank holder is provided with the blank holder that compresses tightly right glossing board, and the blank holder is fixed on the frame through inserting the post and placeeing.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in when assembling backlight unit, with reflecting plate, luminescent plate, light guide plate, diffuser plate, left side increase the worn-out fur and right side increase the worn-out fur one side and install the inboard at the frame, through the location of cover when installing on the reference column simultaneously to compress tightly fixedly through the blank holder board, make backlight unit assemble convenience more.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an exploded view of an assembled backlight module according to the present invention;

fig. 2 is a schematic diagram of an outer frame of the assembled backlight module according to the present invention;

fig. 3 is a schematic view of a blank holder of the assembled backlight module of the present invention;

fig. 4 is a schematic diagram of a partially enlarged view of the assembled backlight module according to the present invention;

fig. 5 is a schematic view of a right intensifying plate of an assembled backlight module according to the present invention.

In the figure: 1. an outer frame; 110. fixing grooves; 120. a positioning column; 1201. a step post; 130. mounting grooves; 140. a mounting cavity; 2. a reflective plate; 3. a light emitting panel; 4. a light guide plate; 5. a diffusion plate; 6. a left brightening plate; 7. a right intensifying plate; 8. pressing an edge plate; 81. inserting a column; 82. pressing edges; 9. positioning the edge; 10. and (7) positioning the holes.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Embodiment 1, specifically refer to fig. 1, fig. 2, fig. 4 and fig. 5, a splicing type backlight module includes an outer frame 1, a reflective plate 2, a light-emitting plate 3, a light guide plate 4, a diffuser plate 5, a left light-increasing plate 6 and a right light-increasing plate 7 are sequentially disposed on the right side of the outer frame 1 from left to right, a blank holder 8 for compressing and fixing the right light-increasing plate 7 is clamped on the right side of the outer frame 1 near four corners, an oblong positioning column 120 is disposed at the middle position of the upper side of the outer frame 1, the positioning column 120 is formed by arranging multiple step columns 1201 from large to small, the height of the step columns 1201 is matched with the thickness of the reflective plate 2, the light-emitting plate 3, the light guide plate 4, the diffuser plate 5, the left light-increasing plate 6 and the right light-increasing plate 7, the reflective plate 2, the light-emitting plate 3, the light guide plate 4, the diffuser plate 5, the left light-increasing plate 6 and the right light-increasing plate 7 are positioned in one-to-one correspondence through the multiple step columns 1201, the reflecting plate 2, the light-emitting plate 3, the light guide plate 4, the diffusion plate 5, the left intensifying plate 6 and the right intensifying plate 7 are respectively provided with a positioning edge 9 at the upper side thereof, the positioning edges 9 of the reflecting plate 2, the light-emitting plate 3, the light guide plate 4, the diffusion plate 5, the left intensifying plate 6 and the right intensifying plate 7 are respectively provided with a positioning hole 10 corresponding to the size of the step column 1201 one by one, the reflecting plate 2, the light-emitting plate 3, the light guide plate 4, the diffusion plate 5, the left intensifying plate 6 and the right intensifying plate 7 are correspondingly arranged through the positioning holes 10 corresponding to the step columns 1201 on the reflecting plate 2, the light-emitting plate 3, the light guide plate 4, the diffusion plate 5, the left intensifying plate 6 and the right intensifying plate 7, so as to avoid the condition of disordered sequence, when assembling the backlight module, one side of the reflecting plate 2, the light-emitting plate 3, the light guide plate 4, the diffusion plate 5, the left intensifying plate 6 and the right intensifying plate 7 is arranged at the inner side of the outer frame 1, meanwhile, the positioning is performed by sleeving the positioning column 120, and the pressing plate 8 is used for pressing and fixing, so that the assembly of the backlight module is more convenient.

Specifically, referring to fig. 2, a mounting groove 130 is disposed at a position on the upper side of the outer frame 1 corresponding to the positioning column 120, and the outer frame 1 is provided with fixing grooves 110 near four corners and matched with the edge pressing plate 8, a mounting cavity 140 is disposed at one side of the outer frame 1 facing the reflection plate 2, the outer frame 1 is in positioning fit with the positioning edge 9 through the mounting groove 130, and the edge pressing plate 8 is fixed and clamped through the fixing groove 110.

Specifically, referring to fig. 3, a plurality of evenly distributed insertion posts 81 are disposed on one side of the blank holder 8 facing the outer frame 1, a blank holder 82 for pressing the right brightness enhancement plate 7 is disposed on one side of the blank holder 8, and the blank holder 8 is inserted into the outer frame 1 through the insertion posts 81 for fixing.

The working principle is that when the backlight module is assembled, the reflecting plate 2, the light emitting plate 3, the light guide plate 4, the diffusion plate 5, the left intensifying plate 6 and the right intensifying plate 7 are sequentially sleeved on the corresponding step columns 1201 through the positioning holes 10 and then are inserted on the outer frame 1 through the inserting columns 81 to fix the edge pressing plate 8, so that the right intensifying plate 7 is pressed and fixed.

The device obtained by the design can basically meet the requirement of convenient installation and positioning of each component in the existing backlight module, but the designer further improves the device with the aim of further improving the function.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an assemble type backlight unit, includes frame (1), its characterized in that: frame (1) right side has set gradually reflecting plate (2), luminescent plate (3), light guide plate (4), diffuser plate (5), left side increase worn-out fur (6) and right side increase worn-out fur (7) from the left hand right side, the right side of frame (1) is close to four corners and all clamps and has compressed tightly fixed blank holder (8) to right side increase worn-out fur (7), the upside intermediate position of frame (1) is provided with reference column (120) of long circle, the upside of reflecting plate (2), luminescent plate (3), light guide plate (4), diffuser plate (5), left side increase worn-out fur (6) and right side increase worn-out fur (7) all is provided with location limit (9) of cover on reference column (120).

2. The assembled backlight module as claimed in claim 1, wherein a mounting groove (130) is formed at a position on the upper side of the outer frame (1) corresponding to the positioning column (120), fixing grooves (110) matched with the edge pressing plate (8) are formed at the positions, close to the four corners, of the outer frame (1), and a mounting cavity (140) is formed at a side of the outer frame (1) facing the reflection plate (2).

3. The assembled backlight module as claimed in claim 2, wherein the positioning posts (120) are formed by arranging multiple stages of step posts (1201) from large to small, and the height of the step posts (1201) is matched with the thickness of the reflector (2), the light-emitting plate (3), the light guide plate (4), the diffuser plate (5), the left light-increasing plate (6) and the right light-increasing plate (7).

4. The assembled backlight module as claimed in claim 1, wherein the positioning edges (9) of the reflector (2), the light-emitting panel (3), the light guide plate (4), the diffuser (5), the left light-increasing panel (6) and the right light-increasing panel (7) are provided with positioning holes (10) corresponding to the step columns (1201) in size.

5. The assembled backlight module as claimed in claim 1, wherein the side of the edge pressing plate (8) facing the outer frame (1) is provided with a plurality of evenly distributed insertion posts (81), and one side of the edge pressing plate (8) is provided with an edge pressing (82) for pressing the right light increasing plate (7).