CN218122406U

CN218122406U - LED light source integration backlight unit

Info

Publication number: CN218122406U
Application number: CN202121847142.3U
Authority: CN
Inventors: 吴枝任
Original assignee: Shenzhen Anzetong Technology Development Co ltd
Current assignee: Shenzhen Anzetong Technology Development Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-12-23
Anticipated expiration: 2031-08-09

Abstract

The utility model belongs to the technical field of the LED lamp, a LED light source integration backlight unit is disclosed, including gluing frame, reflector plate, LED subassembly and shading sticky tape, the shading sticky tape is located the top of reflector plate, the LED subassembly is located between reflector plate and the shading sticky tape, the reflector plate is located the inside of gluing the frame with the shading sticky tape simultaneously, the inner wall of gluing the frame is provided with spacing light-proof structure, spacing light-proof structure includes backup pad and black piece, the heat conduction structure is installed to the bottom of LED subassembly, the heat conduction structure includes the heat-conducting plate and pastes with the heat conduction, the utility model discloses set up spacing light-proof structure, through the effectual parcel of light-conducting structure in spacing light-proof structure with backlight unit, the black piece in the spacing light-proof structure is with the bright effectual absorption of light-conducting structure side effluvium simultaneously, can guarantee the light that LED in the backlight unit shines like this to spill to guarantee the display effect of product.

Description

LED light source integration backlight unit

Technical Field

The utility model belongs to the technical field of the LED lamp, concretely relates to LED light source integration backlight unit.

Background

The backlight module is one of the key components of the lcd panel, and has the function of supplying sufficient light sources with uniform brightness and distribution to enable the lcd panel to normally display images, and includes a reflective sheet, a light guide plate, a lower diffusion sheet, a lower prism sheet, an upper diffusion sheet and a light-shielding tape.

In the prior art, the light leakage of the reflector plate, the light guide plate, the diffusion plate and the prism sheet in the integrated backlight module can cause the reduction of the display effect of the liquid crystal display, and meanwhile, the LED assembly in the backlight module easily generates a large amount of heat during working, thereby causing the reduction of the service life of the LED assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED light source integration backlight unit to solve current backlight unit's the easy light leak in side, the easy problem that takes place of LED subassembly simultaneously.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a LED light source integration backlight unit, is including gluing frame, reflector plate, LED subassembly and shading sticky tape, the shading sticky tape is located the top of reflector plate, the LED subassembly is located between reflector plate and the shading sticky tape, the reflector plate is located the inside of gluing the frame with the shading sticky tape simultaneously, the inner wall of gluing the frame is provided with spacing light-shielding structure, spacing light-shielding structure includes backup pad and black piece.

Preferably, the bottom of the LED assembly is provided with a heat conduction structure, and the heat conduction structure comprises a heat conduction plate and a heat conduction paste.

Preferably, the black block is tightly attached to the inner wall of the rubber frame, and the support plate is located at the bottom of the inner wall of the black block.

Preferably, the width of the black block is equal to the distance between the reflector plate and the shading adhesive tape, the cross section formed by the black block and the support plate is L-shaped, and the support plate is positioned at the bottom of the reflector plate.

Preferably, the heat conducting paste is tightly attached to the bottom of the LED assembly, and the heat conducting plate is fixedly connected with the LED assembly through the heat conducting paste.

Preferably, the heat-conducting plate extends to the outside of the rubber frame, and the length of the heat-conducting plate is smaller than the inner width of the rubber frame.

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

(1) The utility model discloses set up spacing light-shading structure, through the effectual parcel of light-directing structure of spacing light-shading structure in with backlight unit, the black piece among the spacing light-shading structure spills the bright effectual absorption of light-directing structure side effluvium simultaneously, can guarantee like this that the light that the LED shines out among the backlight unit spills to guarantee the display effect of product.

(2) The utility model discloses set up heat conduction structure, paste the heat that produces in with the LED subassembly through the heat conduction in the heat conduction structure and leading-in to the heat-conducting plate to by the heat-conducting plate with the leading-in outside to backlight unit of heat, the condition of generating heat that like this can effectual reduction backlight unit prolongs the life of LED subassembly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the light-shielding tape of the present invention;

fig. 3 is a schematic structural view of the heat conducting structure of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 1;

in the figure: 1. a rubber frame; 2. a reflective sheet; 3. an LED assembly; 4. a light-shielding tape; 5. a heat conducting plate; 6. heat conducting paste; 7. a thermally conductive structure; 8. a support plate; 9. black blocks; 10. spacing shading structure.

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. 1-4, the present invention provides the following technical solutions: the utility model provides a LED light source integration backlight unit, including gluing frame 1, reflector plate 2, LED subassembly 3 and shading sticky tape 4, shading sticky tape 4 is located the top of reflector plate 2, LED subassembly 3 is located between reflector plate 2 and shading sticky tape 4, be provided with the light guide plate between reflector plate 2 and the shading sticky tape 4, lower diffusion piece, lower prism piece, go up the diffusion piece, these structures can effectually derive LED subassembly 3 light that sends perpendicularly, reflector plate 2 is located the inside of gluing frame 1 with shading sticky tape 4 simultaneously, the inner wall of gluing frame 1 is provided with spacing shading structure 10, can carry out the effectual light leak that prevents when spacing to inside light guide structure, spacing shading structure 10 includes backup pad 8 and black piece 9.

Further, heat conduction structure 7 is installed to the bottom of LED subassembly 3, and heat conduction structure 7 can be effectual derive the heat in the LED subassembly 3 to increase LED subassembly 3's life, heat conduction structure 7 includes heat-conducting plate 5 and heat conduction paste 6.

Furthermore, the black block 9 is tightly attached to the inner wall of the rubber frame 1, the black block 9 can effectively reduce the light leakage effect of the backlight module, the supporting plate 8 is located at the bottom of the inner wall of the black block 9, and the supporting plate 8 can effectively support the reflector plate 2.

Specifically, the width of blackblock 9 equals the distance between reflector plate 2 and shading sticky tape 4, and blackblock 9 can be effectual with the leaded light subassembly edge seal between reflector plate 2 and the shading sticky tape 4 to the effectual light that prevents spills, the cross section that blackblock 9 and backup pad 8 are constituteed is the L type, and backup pad 8 is located the bottom of reflector plate 2.

It should be noted that the heat conducting paste 6 is tightly attached to the bottom of the LED assembly 3, the heat conducting paste 6 can conduct the heat dissipated from the LED assembly 3 into the heat conducting plate 5, and the heat conducting plate 5 is fixedly connected to the LED assembly 3 through the heat conducting paste 6.

Further, the heat-conducting plate 5 extends to the outside of gluing frame 1, and the length of heat-conducting plate 5 is less than the inside width of gluing frame 1, and heat in the LED subassembly 3 can be effectually exported to heat-conducting plate 5.

The utility model discloses a theory of operation and use flow: when the utility model is used, the reflector plate 2 is fixed in the limit shading structure 10 in the rubber frame 1, so that the black block 9 in the limit shading structure 10 effectively blocks the edge position of the light guide structure in the backlight module, then the light guide plate, the prism lens and the diffusion sheet in the backlight module are respectively superposed above the reflector plate 2, and the shading adhesive tape 4 is pasted above the upper diffusion sheet;

when the backlight module is put into use, heat generated by the LED component 3 is guided into the heat conducting plate 5 through the heat conducting paste 6 and extends to the outside of the backlight module through the heat conducting plate 5 to be guided out, so that the occurrence of the LED component 3 component is effectively reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a LED light source integration backlight unit, is including gluing frame (1), reflector plate (2), LED subassembly (3) and shading sticky tape (4), shading sticky tape (4) are located the top of reflector plate (2), LED subassembly (3) are located between reflector plate (2) and shading sticky tape (4), reflector plate (2) and shading sticky tape (4) are located the inside of gluing frame (1) simultaneously, its characterized in that: the inner wall of the rubber frame (1) is provided with a limiting shading structure (10), and the limiting shading structure (10) comprises a supporting plate (8) and a black block (9).

2. The LED light source integrated backlight module according to claim 1, wherein: heat conduction structure (7) are installed to the bottom of LED subassembly (3), heat conduction structure (7) include heat-conducting plate (5) and heat conduction paste (6).

3. The LED light source integrated backlight module according to claim 1, wherein: the black blocks (9) are tightly attached to the inner wall of the rubber frame (1), and the supporting plate (8) is located at the bottom of the inner wall of the black blocks (9).

4. The LED light source integrated backlight module according to claim 1, wherein: the width of black block (9) equals the distance between reflector plate (2) and shading sticky tape (4), the cross section that black block (9) and backup pad (8) are constituteed is the L type, backup pad (8) are located the bottom of reflector plate (2).

5. The LED light source integrated backlight module as claimed in claim 2, wherein: the heat conducting paste (6) is tightly attached to the bottom of the LED component (3), and the heat conducting plate (5) is fixedly connected with the LED component (3) through the heat conducting paste (6).

6. The LED light source integrated backlight module as claimed in claim 2, wherein: the heat-conducting plate (5) extends to the outside of gluing frame (1), the length of heat-conducting plate (5) is less than the inside width of gluing frame (1).