CN218866265U - Backlight module capable of reducing light leakage - Google Patents

Backlight module capable of reducing light leakage Download PDF

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Publication number
CN218866265U
CN218866265U CN202320117522.4U CN202320117522U CN218866265U CN 218866265 U CN218866265 U CN 218866265U CN 202320117522 U CN202320117522 U CN 202320117522U CN 218866265 U CN218866265 U CN 218866265U
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China
Prior art keywords
light guide
guide plate
front frame
backlight module
reflector
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CN202320117522.4U
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Chinese (zh)
Inventor
李德斌
曾先
张夏平
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Shenzhen Hengxin Shengda Optoelectronics Co ltd
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Shenzhen Hengxin Shengda Optoelectronics Co ltd
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Abstract

The utility model belongs to the technical field of the backlight module, the utility model particularly relates to a reduce backlight module of light leak, include: a front frame of a rectangular frame type; the light guide plate is arranged on the inner side of the front frame, and a backlight source body is arranged on the inner side of the light guide plate; a light reflection plate for limiting the light guide plate and the backlight source body in the front frame; it is right to be used for carrying out sealed first sealing mechanism between light guide plate and the preceding frame, the utility model discloses a first sealing mechanism can realize sealing the gap between reflector panel and the preceding frame, and the insertion plate on the reflector panel passes through the inserting groove and pegs graft in the preceding frame to become U font structure with gap between the two from a style of calligraphy, the backlight body between preceding frame and the reflector panel can not pass through the outside light leak of U type structure, has solved current black glue and has come off easily, causes the shading effect not strong, leads to the problem of the easy light leak between reflector panel and the preceding frame.

Description

Backlight module capable of reducing light leakage
Technical Field
The utility model belongs to the technical field of the backlight module, concretely relates to reduce backlight module of light leak.
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 uniform distribution, so that the image can be displayed normally.
Usually when the LCD module equipment, can reserve certain clearance between preceding frame and liquid crystal display panel, present frame appear warping and oppress liquid crystal display panel very easily, cause liquid crystal display panel to take place the light leak, in addition, because between reflector panel and the preceding frame because unable strict seal, consequently can directly paste between the two and glue the blackly, but the blackly is glued and is dropped easily, causes the shading effect not strong, easy light leak.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reduce backlight module of light leak to solve present preceding frame and appear warping and oppress liquid crystal display panel very easily, cause liquid crystal display panel to take place the light leak, in addition, the black glue drops easily, causes the shading effect not strong, leads to the problem of easy light leak between reflector panel and the preceding frame.
In order to achieve the above object, the utility model provides a following technical scheme: a backlight module for reducing light leakage comprises: a front frame of a rectangular frame type;
the light guide plate is arranged on the inner side of the front frame, and a backlight source body is arranged on the inner side of the light guide plate;
a light reflection plate for limiting the light guide plate and the backlight source body in the front frame;
the first sealing mechanism is used for sealing between the light guide plate and the front frame, and comprises a plug board and a plug groove, the plug board is installed on one side, close to the backlight source body, of the light reflection board, the plug groove is formed in the rear side of the front frame, one end of the plug board is plugged into the plug groove, the plug board is of a rectangular frame-shaped structure, and the plug groove is of a rectangular annular structure;
and the fixing mechanism is arranged on the reflector and is used for installing the reflector on the front frame.
Preferably, the light guide plate further includes a second sealing mechanism that seals the light guide plate, the second sealing mechanism including:
the mounting plate is mounted on the inner side of the light guide plate, a rubber pad is mounted between the mounting plate and the light guide plate, and the mounting plate and the rubber pad are both rectangular annular structures;
the fixing columns are arranged on the inner side of the front frame and are positioned in the vertical direction, the fixing columns are respectively distributed outside the light guide plate in a rectangular annular mechanism, and the fixing columns penetrate through the mounting plate;
install in a plurality of fastening bolt of mounting panel and keeping away from light guide plate one side, it is a plurality of the second screw hole has all been seted up to the tip of fixed column, fastening bolt's one end all closes soon and installs in the second screw hole that corresponds, the cover is equipped with the spring on the fastening bolt, the one end butt of spring is on the mounting panel.
Preferably, run through on the mounting panel have a plurality ofly with fixed column matched with through-hole, the mounting panel passes through the through-hole cover to be established on the fixed column.
Preferably, the fastening bolt is sleeved with a gasket, and the gasket is installed between the mounting plate and the spring.
Preferably, the rear side of the front frame is provided with a boss, and the reflector is embedded in the boss.
Preferably, the fixing mechanism comprises a plurality of mounting holes equidistantly formed in the edge of the bottom of the reflector and a plurality of first threaded holes formed in the plug-in holes and matched with the mounting holes, fixing bolts are mounted in the mounting holes, and one ends of the fixing bolts are screwed in the corresponding first threaded holes.
Compared with the prior art, the utility model, following beneficial effect has:
(1) The utility model discloses a first sealing mechanism can realize sealing up the gap between reflector panel and the preceding frame, and the insertion plate on the reflector panel passes through the inserting groove and pegs graft in the preceding frame to become U font structure with the gap between the two from a style of calligraphy, the backlight body between preceding frame and the reflector panel can not pass through the outside light leak of U type structure, has solved current black glue and has come off easily, causes the shading effect not strong, leads to the problem of easy light leak between reflector panel and the preceding frame.
(2) The utility model discloses a second sealing mechanism can realize sealing up the gap between preceding frame and the light guide plate, install the inboard at the light guide plate through the fixed column with the mounting panel, when fastening bolt closes soon and installs on the fixed column, the spring that is in compression state extrudees one side of mounting panel to the light guide plate, thereby fill the rubber pad in the gap between light guide plate and mounting panel, when preceding frame takes place to warp, the mounting panel can stretch out and draw back between fixed column and fastening bolt, avoid the mounting panel to cause excessive oppression to the light guide plate, the problem of the light leak just oppressed liquid crystal display panel very easily appears warping in having solved current preceding frame, cause liquid crystal display panel to take place.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a top view of the socket board and the reflector of the present invention;
fig. 3 is a sectional view of a second sealing mechanism of the present invention;
in the figure: 1. a front frame; 2. fixing a column; 3. mounting a plate; 4. a rubber pad; 5. a light guide plate; 6. a reflector; 7. a backlight source body; 8. a spring; 9. fastening a bolt; 10. fixing the bolt; 11. mounting holes; 12. a boss; 13. a plugboard; 14. inserting grooves; 15. a first threaded hole; 16. a gasket; 17. a through hole; 18. and a second threaded hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: a backlight module for reducing light leakage, comprising: a front frame 1 of a rectangular frame type;
a light guide plate 5 arranged at the inner side of the front frame 1, wherein a backlight body 7 is arranged at the inner side of the light guide plate 5;
a light reflection plate 6 for confining the light guide plate 5 and the backlight body 7 in the front frame 1;
the first sealing mechanism is used for sealing between the light guide plate 5 and the front frame 1, and comprises a plug board 13 arranged on one side of the light reflecting plate 6 close to the backlight body 7 and a plug groove 14 arranged on the rear side of the front frame 1, one end of the plug board 13 is plugged into the plug groove 14, the plug board 13 is of a rectangular frame-shaped structure, and the plug groove 14 is of a rectangular annular structure;
and the fixing mechanism is arranged on the reflector 6 and is used for installing the reflector 6 on the front frame 1.
Through the technical scheme:
install light guide plate 5, backlight body 7 and reflector panel 6 in proper order in the inside of frame 1 in front from the rear side of frame 1, when reflector panel 6 was installed in the rear side of frame 1 in front, let the one end of plugboard 13 insert to inserting groove 14 in to change the structure in gap between reflector panel 6 and the preceding frame 1, let the gap become U font structure from a style of calligraphy, backlight body 7 between preceding frame 1 and the reflector panel 6 can not pass through the outside light leak of U font structure, reflector panel 6 passes through fixed establishment fixed mounting on frame 1 in front.
Further, to the reflector 6 that the aforesaid set up, the rear side of preceding frame 1 is opened and is equipped with boss 12, and reflector 6 inlays and installs in boss 12, lets reflector 6 inlay through boss 12 and installs the rear side at preceding frame 1 to improve the stability of reflector 6 installation.
Further, to the reflector 6 that the above-mentioned set up, fixing mechanism includes that the equidistance is seted up a plurality of mounting holes 11 in reflector 6 bottom border position department, and set up in the spliced eye with a plurality of first screw holes 15 of a plurality of mounting holes 11 matched with, install fixing bolt 10 in the mounting hole 11, the one end of fixing bolt 10 closes soon and installs in the first screw hole 15 that corresponds, when reflector 6 installs the rear side in front frame 1, let mounting hole 11 and the first screw hole 15 butt joint that corresponds, let one end screw in of fixing bolt 10 in first screw hole 15, avoid reflector 6 to break away from front frame 1.
Referring to fig. 1 and 3, a second sealing mechanism for sealing the light guide plate 5 is further included, and the second sealing mechanism includes:
the mounting plate 3 is mounted on the inner side of the light guide plate 5, the rubber pad 4 is mounted between the mounting plate 3 and the light guide plate 5, and the mounting plate 3 and the rubber pad 4 are both rectangular annular structures;
the fixing columns 2 are arranged on the inner side of the front frame 1 and are positioned in the vertical direction, the fixing columns 2 are respectively distributed outside the light guide plate 5 in a rectangular annular mechanism, and the fixing columns 2 penetrate through the mounting plate 3;
install in mounting panel 3 and keep away from a plurality of fastening bolt 9 of light guide plate 5 one side, second screw hole 18 has all been seted up to the tip of a plurality of fixed columns 2, and fastening bolt 9's one end is all closed soon and is installed in the second screw hole 18 that corresponds, and the cover is equipped with spring 8 on fastening bolt 9, and spring 8's one end butt is on mounting panel 3.
Through the technical scheme:
place light guide plate 5 in the inboard of front frame 1, install rubber pad 4 in the inboard border position department of light guide plate 5 this moment, put into mounting panel 3 from the rear side of front frame 1 again, and the cover is established on a plurality of fixed columns 2, install fastening bolt 9's one end spiral closure on fixed column 2 this moment, let spring 8 compress between fastening bolt 9 and mounting panel 3, the spring 8 that is in compression state extrudes mounting panel 3 to one side of light guide plate 5, thereby pack rubber pad 4 in the gap between light guide plate 5 and mounting panel 3, when front frame 1 takes place to warp, mounting panel 3 can stretch out and draw back between fixed column 2 and fastening bolt 9, avoid mounting panel 3 to cause excessive oppression to light guide plate 5.
Further, to the above-mentioned fixed column 2 that sets up, run through on the mounting panel 3 have a plurality of with fixed column 2 matched with through-hole 17, mounting panel 3 establishes on fixed column 2 through-hole 17 cover, lets fixed column 2 can run through mounting panel 3 through-hole 17, lets mounting panel 3 can stretch out and draw back on fixed column 2.
Further, to the above-mentioned spring 8 that sets up, the cover is equipped with gasket 16 on the fastening bolt 9, and gasket 16 installs between mounting panel 3 and spring 8, supports spring 8 through gasket 16, avoids spring 8 to get into through-hole 17 when the compression in, leads to mounting panel 3 to block dead on fixed column 2, lets mounting panel 3 can not stretch out and draw back between fixed column 2 and fastening bolt 9.
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 (6)

1. The utility model provides a reduce backlight module of light leak which characterized in that includes: a rectangular frame type front frame (1);
the backlight module comprises a light guide plate (5) arranged on the inner side of the front frame (1), and a backlight body (7) arranged on the inner side of the light guide plate (5);
a reflector (6) for confining the light guide plate (5) and the backlight body (7) in the front frame (1);
the first sealing mechanism is used for sealing between the light guide plate (5) and the front frame (1), and comprises a plug board (13) arranged on one side, close to the backlight body (7), of the light reflection board (6) and a plug groove (14) formed in the rear side of the front frame (1), one end of the plug board (13) is plugged into the plug groove (14), the plug board (13) is of a rectangular frame-shaped structure, and the plug groove (14) is of a rectangular annular structure;
and the fixing mechanism is arranged on the reflector (6) and is used for installing the reflector (6) on the front frame (1).
2. The backlight module of claim 1, wherein: further comprising a second sealing mechanism for sealing the light guide plate (5), the second sealing mechanism comprising:
the mounting plate (3) is mounted on the inner side of the light guide plate (5), a rubber pad (4) is mounted between the mounting plate (3) and the light guide plate (5), and the mounting plate (3) and the rubber pad (4) are both rectangular annular structures;
the fixing columns (2) are arranged on the inner side of the front frame (1) and are positioned in the vertical direction, the fixing columns (2) are respectively distributed outside the light guide plate (5) in a rectangular annular mechanism, and the fixing columns (2) penetrate through the mounting plate (3);
install in mounting panel (3) and keep away from a plurality of fastening bolt (9) of light guide plate (5) one side, it is a plurality of second screw hole (18) have all been seted up to the tip of fixed column (2), the one end of fastening bolt (9) is all closed soon and is installed in second screw hole (18) that correspond, the cover is equipped with spring (8) on fastening bolt (9), the one end butt of spring (8) is on mounting panel (3).
3. The backlight module of claim 2, wherein the backlight module comprises: run through on mounting panel (3) have a plurality of and fixed column (2) matched with through-hole (17), mounting panel (3) are established on fixed column (2) through-hole (17).
4. The backlight module of claim 2, wherein: the fastening bolt (9) is sleeved with a gasket (16), and the gasket (16) is installed between the mounting plate (3) and the spring (8).
5. The backlight module of claim 1, wherein: the rear side of the front frame (1) is provided with a boss (12), and the reflector (6) is embedded in the boss (12).
6. The backlight module of claim 1, wherein: the fixing mechanism comprises a plurality of mounting holes (11) formed in the edge position of the bottom of the reflector (6) at equal intervals and a plurality of first threaded holes (15) formed in the inserting holes and matched with the mounting holes (11), fixing bolts (10) are mounted in the mounting holes (11), and one ends of the fixing bolts (10) are installed in the corresponding first threaded holes (15) in a screwing mode.
CN202320117522.4U 2023-02-06 2023-02-06 Backlight module capable of reducing light leakage Active CN218866265U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320117522.4U CN218866265U (en) 2023-02-06 2023-02-06 Backlight module capable of reducing light leakage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320117522.4U CN218866265U (en) 2023-02-06 2023-02-06 Backlight module capable of reducing light leakage

Publications (1)

Publication Number Publication Date
CN218866265U true CN218866265U (en) 2023-04-14

Family

ID=87365660

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320117522.4U Active CN218866265U (en) 2023-02-06 2023-02-06 Backlight module capable of reducing light leakage

Country Status (1)

Country Link
CN (1) CN218866265U (en)

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