CN211348700U

CN211348700U - Side-in type backlight module light guide plate

Info

Publication number: CN211348700U
Application number: CN202020024625.2U
Authority: CN
Inventors: 张庆伟
Original assignee: Shenzhen Jinmingwei Laser Technology Co ltd
Current assignee: Shenzhen Jinmingwei Laser Technology Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-08-25
Anticipated expiration: 2030-01-07

Abstract

The utility model belongs to the technical field of light guide plates, in particular to a side-in type backlight module light guide plate, which comprises a fixed frame and a limiting plate, wherein the light guide plate is fixed in the inner block of the fixed frame, the outer wall of the fixed frame is fixedly connected with an extension plate, a clamping groove is arranged between the extension plate and the fixed frame, the bottom of the clamping groove is fixedly connected with a first bearing plate, the outer wall of the fixed frame is fixedly connected with an L-shaped plate, a limiting groove is arranged between the L-shaped plate and the fixed frame, and the bottom of the limiting groove is fixedly connected with a second bearing; make the limiting plate block fix the outer wall at fixed frame to this concatenation between the completion light guide plate is mended the worn-out fur by first benefit worn-out fur and second and is carried out the light filling to light guide plate both ends border department, has increased the light intensity of edge, makes more even that light distributes, and the connecting block by the astigmatism material distributes away the light in light guide plate handing-over department gap again, has avoided the production of gap shadow, simple structure, and it is convenient to use.

Description

Side-in type backlight module light guide plate

Technical Field

The utility model belongs to the technical field of the light guide plate, concretely relates to side income formula backlight unit light guide plate.

Background

The light guide plate is made of optical acrylic or PC plate, then high-tech materials with high refractive index and no light absorption are used, light guide points are printed on the bottom surface of the optical acrylic plate by laser engraving, V-shaped cross grid engraving and UV screen printing technology, the optical acrylic plate is used for absorbing the light emitted from a lamp to stay on the surface of the optical acrylic plate, when the light reaches each light guide point, the reflected light can be diffused to each angle, then the reflected light is emitted from the front surface of the light guide plate under the condition of destroying reflection, the light guide plate can uniformly emit light through various light guide points with different densities and sizes, and the reflector plate is used for reflecting the light exposed from the bottom surface back into the light guide plate so as to improve the use efficiency of the light; under the condition of equal area brightness, the light-emitting efficiency is high, the power consumption is low, and the single-side microstructure array light guide plate generally adopts an extrusion molding manufacturing process.

When using side income formula backlight unit light guide plate, need insert the light guide plate and use in the fixed frame of leaded light material, but among the prior art, the light guide plate is after the concatenation, and its concatenation can produce a shadow line when using to the effect of product whole demonstration has been influenced.

Therefore, those skilled in the art have provided a side-entry backlight module light guide plate to solve the above-mentioned problems in the prior art.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a side income formula backlight unit light guide plate has the light guide plate characteristics of splicing fast.

In order to achieve the above object, the utility model provides a following technical scheme: the side-in type backlight module light guide plate comprises a fixed frame and a limit plate, the light guide plate is clamped and fixed in the fixed frame, an extension plate is fixedly connected with the outer wall of the fixing frame, a clamping groove is arranged between the extension plate and the fixing frame, the bottom of the clamping groove is fixedly connected with a first bearing plate, the outer wall of the fixing frame is fixedly connected with an L-shaped plate, a limit groove is arranged between the L-shaped plate and the fixed frame, the bottom of the limit groove is fixedly connected with a second bearing plate, one end of the second bearing plate far away from the L-shaped plate is fixedly connected with one end of the first bearing plate far away from the extension plate, a limiting plate is arranged between the L-shaped plate and the fixing frame and is positioned at the top of the second bearing plate and the first bearing plate, the limiting plate comprises a connecting block, a first light supplementing plate and a second light supplementing plate, and the first light supplementing plate and the second light supplementing plate are fixed at two ends of the connecting block in a clamping mode respectively.

Preferably, the outer wall of the fixing frame is provided with a socket matched with the light guide plate, and the inside of the fixing frame is provided with a containing cavity matched with the light guide plate.

Preferably, the outer wall of the L-shaped plate is provided with a through hole at a position corresponding to the socket.

Preferably, two ends of the limiting plate are respectively located in the limiting groove and the clamping groove, and the limiting plate is clamped on the outer wall of the fixing frame through matching of the clamping groove and the limiting groove.

Preferably, the connecting block is L-shaped, the two ends of the connecting block are both provided with the first light supplementing plate and the second light supplementing plate which are matched, and the first light supplementing plate and the second light supplementing plate are both clamped and fixed with the connecting block.

Preferably, the connecting block is made of an astigmatic material.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the inside block of well fixed frame is fixed with the light guide plate, when inserting the light guide plate, the staff inserts the light guide plate in the socket, make the light guide plate and fixed frame block fixed formation a whole, insert the limiting plate in draw-in groove and the spacing groove again, make the limiting plate block fix the outer wall at fixed frame, with this concatenation between the completion light guide plate, carry out the light filling to light guide plate both ends border department by first tonifying plate and second tonifying plate, the light intensity of edge has been increased, make more even of light distribution, the connecting block by the astigmatism material distributes away to the light in light guide plate handing-over department gap again, the production of gap shadow has been avoided, moreover, the steam generator is simple in structure, it is convenient to use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic structural view of the middle fixing frame and the L-shaped plate of the present invention;

fig. 3 is a schematic structural view of the middle fixing frame of the present invention;

fig. 4 is a schematic structural view of the L-shaped plate of the present invention;

fig. 5 is a schematic structural diagram of the middle connection block of the present invention.

In the figure: 1. a fixing frame; 101. an accommodating chamber; 102. a socket; 11. a light guide plate; 12. an extension plate; 121. a card slot; 13. a first bearing plate; 2. an L-shaped plate; 21. a through hole; 201. a limiting groove; 22. a second bearing plate; 3. a limiting plate; 31. connecting blocks; 32. a first light supplement plate; 33. a second light supplement plate.

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: a side-in type backlight module light guide plate comprises a fixing frame 1 and a limit plate 3, wherein a light guide plate 11 is clamped and fixed in the fixing frame 1, an extension plate 12 is fixedly connected to the outer wall of the fixing frame 1, a clamping groove 121 is formed between the extension plate 12 and the fixing frame 1, a first bearing plate 13 is fixedly connected to the bottom of the clamping groove 121, an L-shaped plate 2 is fixedly connected to the outer wall of the fixing frame 1, a limit groove 201 is formed between the L-shaped plate 2 and the fixing frame 1, a second bearing plate 22 is fixedly connected to the bottom of the limit groove 201, one end, far away from the L-shaped plate 2, of the second bearing plate 22 is fixedly connected to one end, far away from the extension plate 12, of the first bearing plate 13, a limit plate 3 is arranged between the L-shaped plate 2 and the fixing frame 1, the first light supplement plate 32 and the second light supplement plate 33 are fixed at two ends of the connecting block 31 in a clamping way respectively, and the first light supplement plate 32 and the second light supplement plate 33 are fixed at two ends of the connecting block 31 in a clamping way respectively.

In this embodiment: the light guide plate 11 is clamped and fixed inside the fixing frame 1, a worker inserts the light guide plate 11 into the socket 102 to enable the light guide plate 11 and the fixing frame 1 to be clamped and fixed into a whole, an extension plate 12 is fixedly connected to the outer wall of the fixing frame 1, a clamping groove 121 is formed between the extension plate 12 and the fixing frame 1, a first bearing plate 13 is fixedly connected to the bottom of the clamping groove 121, an L-shaped plate 2 is fixedly connected to the outer wall of the fixing frame 1, a limiting groove 201 is formed between the L-shaped plate 2 and the fixing frame 1, a second bearing plate 22 is fixedly connected to the bottom of the limiting groove 201, one end, far away from the L-shaped plate 2, of the second bearing plate 22 is fixedly connected with one end, far away from the extension plate 12, of the first bearing plate 13, when the fixing frame is used, the limiting plate 3 is positioned on the first bearing plate 13 and the second bearing plate 22, the limiting plate 3 is supported by the first bearing plate, limiting plate 3 includes connecting block 31, first benefit worn-out fur 32 and second benefit worn-out fur 33 block respectively fix the both ends at connecting block 31, the staff inserts limiting plate 3 in draw-in groove 121 and spacing groove 201, make the outer wall at fixed frame 1 fixed to limiting plate 3 block, with this concatenation of accomplishing light guide plate 11, mend worn-out fur 32 and second and mend worn-out fur 33 by first and carry out the light filling to 11 both ends border departments of light guide plate, the light intensity of edge has been increased, make light distribution more even, the light in light guide plate 11 handing-over department gap is distributed out to connecting block 31 by astigmatic material again, gap shadow's production has been avoided, moreover, the steam generator is simple in structure, and.

In fig. 1 and 5: when using, the staff inserts light guide plate 11 in through-hole 21 department, make light guide plate 11 follow the entering of socket 102 and hold in the chamber 101, make light guide plate 11 and fixed formation of a whole of frame 1 block, insert limiting plate 3 again in draw-in groove 121 and spacing groove 201, accept the board 22 by first accepting board 13 and second and support limiting plate 3, make the outer wall at fixed frame 1 of limiting plate 3 block fixing, with this concatenation of accomplishing light guide plate 11, mend the board 33 by first benefit board 32 and second and carry out the light filling to light guide plate 11 both ends border department, the light intensity of edge has been increased, make light distribution more even, the light in light guide plate 11 handing-over department gap is distributed out by connecting block 31 of astigmatic material again, the production of shadow gap has been avoided, moreover, the steam generator is simple in structure, and convenient use.

In fig. 2, 3 and 4: when the light guide plate splicing device is used, a worker inserts the light guide plate 11 into the through hole 21, the light guide plate 11 enters the accommodating cavity 101 from the socket 102, the light guide plate 11 and the fixing frame 1 are clamped and fixed to form a whole, the limiting plate 3 is inserted into the clamping groove 121 and the limiting groove 201, the first bearing plate 13 and the second bearing plate 22 support the limiting plate 3, the limiting plate 3 is clamped and fixed to the outer wall of the fixing frame 1, and therefore splicing of the light guide plate 11 is completed.

The utility model discloses a theory of operation and use flow: when using, the staff inserts light guide plate 11 in through-hole 21 department, make light guide plate 11 follow the entering of socket 102 and hold in the chamber 101, make light guide plate 11 and fixed formation of a whole of frame 1 block, insert limiting plate 3 again in draw-in groove 121 and spacing groove 201, accept the board 22 by first accepting board 13 and second and support limiting plate 3, make the outer wall at fixed frame 1 of limiting plate 3 block fixing, with this concatenation of accomplishing light guide plate 11, mend the board 33 by first benefit board 32 and second and carry out the light filling to light guide plate 11 both ends border department, the light intensity of edge has been increased, make light distribution more even, the light in light guide plate 11 handing-over department gap is distributed out by connecting block 31 of astigmatic material again, the production of shadow gap has been avoided, moreover, the steam generator is simple in structure, and convenient use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. Side income formula backlight unit light guide plate, including fixed frame (1) and limiting plate (3), its characterized in that: the light guide plate (11) is fixedly clamped inside the fixed frame (1), an extension plate (12) is fixedly connected to the outer wall of the fixed frame (1), a clamping groove (121) is formed between the extension plate (12) and the fixed frame (1), a first receiving plate (13) is fixedly connected to the bottom of the clamping groove (121), an L-shaped plate (2) is fixedly connected to the outer wall of the fixed frame (1), a limiting groove (201) is formed between the L-shaped plate (2) and the fixed frame (1), a second receiving plate (22) is fixedly connected to the bottom of the limiting groove (201), one end, far away from the L-shaped plate (2), of the second receiving plate (22) is fixedly connected to one end, far away from the extension plate (12), of the first receiving plate (13), a limiting plate (3) is arranged between the L-shaped plate (2) and the fixed frame (1), and the limiting plate (3) is located at the top of the second receiving plate (22) and the first receiving plate (13), the limiting plate (3) comprises a connecting block (31), a first light supplementing plate (32) and a second light supplementing plate (33), and the first light supplementing plate (32) and the second light supplementing plate (33) are respectively clamped and fixed at two ends of the connecting block (31).

2. The light guide plate of lateral backlight module as claimed in claim 1, wherein: the outer wall of the fixing frame (1) is provided with a socket (102) matched with the light guide plate (11), and the inside of the fixing frame (1) is provided with a containing cavity (101) matched with the light guide plate (11).

3. The edge-type backlight module light guide plate of claim 2, wherein: through holes (21) are formed in the positions, corresponding to the inserting holes (102), of the outer wall of the L-shaped plate (2).

4. The light guide plate of lateral backlight module as claimed in claim 1, wherein: the two ends of the limiting plate (3) are respectively located in the limiting groove (201) and the clamping groove (121), and the limiting plate (3) is clamped on the outer wall of the fixing frame (1) through the matching of the clamping groove (121) and the limiting groove (201).

5. The light guide plate of lateral backlight module as claimed in claim 1, wherein: the connecting block (31) is L-shaped, the two ends of the connecting block (31) are provided with a first light supplementing plate (32) and a second light supplementing plate (33) which are matched with each other (311), and the first light supplementing plate (32) and the second light supplementing plate (33) are fixed to the connecting block (31) in a clamping mode through the (311).

6. The light guide plate of lateral backlight module as claimed in claim 1, wherein: the connecting block (31) is made of an astigmatic material.