CN209149017U - A kind of backlight module with high bearing capacity - Google Patents
A kind of backlight module with high bearing capacity Download PDFInfo
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- CN209149017U CN209149017U CN201821655373.2U CN201821655373U CN209149017U CN 209149017 U CN209149017 U CN 209149017U CN 201821655373 U CN201821655373 U CN 201821655373U CN 209149017 U CN209149017 U CN 209149017U
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- protrusion
- lower frame
- bearing capacity
- high bearing
- backlight module
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Abstract
The utility model discloses a kind of backlight modules with high bearing capacity, including lower frame (1), side entering type light source (2), diaphragm unit (3) and center (4), the lower frame (1) and center (4) are metal material, and the side entering type light source (2) is arranged on the medial surface of lower frame (1)；It is provided with infolding boss (11) in the side block structure on (1) four side of lower frame, the diaphragm unit (3) fixes in the space in lower frame (1), below infolding boss (11)；The center (4) is mounted on lower frame (1), and is supported by infolding boss (11).The utility model is for improving backlight module to the bearing capacity of liquid crystal display.
Description
Technical field
The utility model relates to liquid crystal display parts technical fields, and in particular to a kind of back with high bearing capacity
Optical mode group.
Background technique
Liquid crystal display is presently most used display equipment, backlight module as liquid crystal display luminous component and hold
Carrier, it is indispensable for liquid crystal display.For heat dissipation etc. design consider, the lower frame of many backlight modules and
Center is both needed to using metal material, and thinned, the mitigation whole for mould group, center often use relatively thin metal plate, this
The support force for having led to the liquid crystal display supporting table being stamped and formed out on center is weaker, when being used as large scale backlight module, is not enough to
The liquid crystal display for supporting subsequent assembling, causing final liquid crystal display, there are liquid crystal display deformed damageds, diaphragm unit compressive deformation
Etc. hidden danger, influence the use of display.
Utility model content
The technical issues of the utility model solves is the deficiency being directed in background technique, in the case where not thickening center,
A kind of soluble backlight module is provided.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of backlight mould with high bearing capacity
Group, including lower frame, side entering type light source, diaphragm unit and center, the lower frame and center are metal material, the side entering type light
Source is arranged on the medial surface of lower frame；Infolding boss, the diaphragm unit are provided in the side block structure on four side of lower frame
It fixes in the space in lower frame, below infolding boss；The center is mounted on lower frame, and is supported by infolding boss.
Further, the lower frame four while side block structure on it is per while be respectively provided with multiple infolding boss.
Further, the diaphragm unit includes light guide plate and several folded diaphragms being located on light guide plate, the leaded light
Plate side is provided with the first protrusion, and the second protrusion corresponding with the first protrusion is provided on the diaphragm, and second protrusion is solid
It is scheduled on the first protrusion.
Further, it is provided with positioning column on first protrusion, is provided with location hole on second protrusion, it is described fixed
Position column is threaded through positioning hole.
Further, third protrusion is additionally provided on the diaphragm, second protrusion and third protrusion pass through adhesive tape
It is bonded on the first protrusion.
Further, fluted, platform and boss are set on first protrusion；Positioning column is arranged in the groove, and
It is Nian Jie with lowest level diaphragm by double-sided adhesive；The platform and third protrusion connect；The boss is for being bonded top layer's diaphragm
Third protrusion.
Further, the light guide plate outside, lower frame inner side card have fixture block, are provided on the inside of the lower frame for card
First positioning protrusion of block positioning.
Further, anti-skid structure is provided on the inside of the fixture block.
Further, side block blocks are provided on the center.
Further, the center is additionally provided with the second positioning protrusion, and the side block blocks pass through the jack being arranged thereon and insert
Enter the second positioning protrusion.
Beneficial effect of the utility model mainly has the following: during the infolding boss being arranged on lower frame can support
Frame, and then the step of liquid crystal display is supported, so that, intensity biggish lower frame thicker using plate thickness is assisted, plate thickness is relatively thin, intensity is smaller
Center support liquid crystal display, in the case where not thickening center plate thickness, enable backlight module have higher carrying liquid crystal display
Power avoids the hidden danger such as liquid crystal display deformed damaged, diaphragm unit compressive deformation caused by support force deficiency, ensure that display
Normal use.
Detailed description of the invention
Fig. 1 is the detonation configuration signal of the backlight module entirety in the utility model embodiment one with high bearing capacity
Figure；
Fig. 2 is the enlarged structure schematic diagram in the portion A in Fig. 1；
Fig. 3 is the lower frame structural representation of the backlight module entirety in the utility model embodiment one with high bearing capacity
Figure；
Fig. 4 is the fixture block structural representation of the backlight module entirety in the utility model embodiment one with high bearing capacity
Figure.
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar
Component；The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, below in conjunction with attached drawing and embodiment to the utility model carry out into
One step detailed description.
Embodiment one
Refering to fig. 1 ~ 4, a kind of backlight module with high bearing capacity, including lower frame 1, side entering type light source 2, diaphragm unit
3 and center 4, the lower frame 1 and center 4 are metal material, generally use punch forming.
The side entering type light source 2 is arranged on the medial surface of lower frame 1, is generally arranged in a long side, can use
Bond plies are adhesively fixed.It is provided with infolding boss 11 in the side block structure on 1 four side of lower frame, can be rushed in lower frame 1
Infolding boss structure is stamped out when molded simultaneously.The diaphragm unit 3 fixes the sky in lower frame 1, below infolding boss 11
In, so that diaphragm unit 3 is fixed on as a whole in lower frame 1, realize stable fixation.The center 4 is mounted on
It on lower frame 1, and is supported by infolding boss 11, general lower frame 1 and center 4 are arranged the buckle structure being mutually matched, and the two can be with
It is connected together by buckle structure.After lower frame 1 fixes together with center 4, in the uppermost infolding boss 11 of lower frame 1 in
Frame 4 supports the step rear-face contact of liquid crystal display to together, and the infolding boss 11 on lower frame 1 can support center 4 to support liquid crystal
The step of screen, so that, intensity biggish lower frame 1 thicker using plate thickness is assisted, plate thickness is relatively thin, the lesser support of center 4 liquid crystal of intensity
Screen so that backlight module have higher carrying liquid crystal display ability, avoid support force deficiency caused by liquid crystal display deformed damaged,
The hidden danger such as diaphragm unit compressive deformation ensure that the normal use of display.
Refering to Fig. 3, the lower frame 1 four while side block structure on it is per while be respectively provided with multiple infolding boss 11, thus be center 4
It supports the step of liquid crystal display to provide stronger support force, further strengthens the ability of backlight module carrying liquid crystal display.
Refering to fig. 1 and Fig. 2, the diaphragm unit 3 include light guide plate 31 and several folded diaphragms being located on light guide plate 31
32, diaphragm 32 includes successively folding the light-diffusing film and bright enhancement film being located on light guide plate 31, and bright enhancement film can according to need setting one
Or multiple, a light-diffusing film and three bright enhancement films is arranged in example as shown in figure 1.In addition, diaphragm unit 3 further includes being arranged in light guide plate 31
The reflective membrane 33 of lower section can be pasted on 1 inner bottom surface of lower frame.
Referring to Fig.2,31 side of light guide plate is provided with the first protrusion 311, be provided on the diaphragm 32 with it is first convex
311 corresponding second protrusion 321 out, second protrusion 321 are fixed on the first protrusion 311, can be layer-by-layer by double-sided adhesive
Bonding is fixed, as follows the present embodiment provides a kind of more convenient operation and fixed more stable fixing means:
Referring to Fig.2, being provided with positioning column 3111 on first protrusion 311, positioning is provided on second protrusion 321
Hole 3211, the positioning column 3111 are threaded through in location hole 3211, double-sided adhesive can also be cooperated again to carry out, thus by light guide plate 31
It positions and fixes with diaphragm 32.
Referring to Fig.2, being additionally provided with third protrusion 322 on the diaphragm 32, third protrusion 322 and the second protrusion 321 are side by side
Setting can be not provided with third protrusion 322, the film in top layer above the first protrusion 311, in undermost diaphragm 32
The third protrusion 322 of piece 32 is preferably shifted to install with the third of lower section protrusion 322, so that second protrusion 321 and third are convex
It 322 is bonded on the first protrusion 311 by adhesive tape out.Fluted 3112,3113 and of platform is set on first protrusion 311
Positioning column 3111 is arranged at the groove 3112 for boss 3114.Groove 3112 is Nian Jie with undermost diaphragm 32 by double-sided adhesive,
Sticking double faced adhesive tape can be bonded undermost diaphragm 32, depth of groove and double-sided adhesive thickness by setting groove 3112 again in groove
Unanimously, undermost diaphragm 32 is more flat after bonding, and diaphragm injustice is avoided to have an impact backlight module visual effect.Platform 3113
On can also paste double-sided adhesive, be bonded up second layer diaphragm 32 across undermost diaphragm 32, the thickness of double-sided adhesive be selected as with
The comparable double-sided adhesive of undermost 32 thickness of diaphragm, to also guarantee that second layer diaphragm 32 is viscous flat.Boss 3114 passes through double-sided adhesive
It is Nian Jie with the diaphragm 32 of top layer, height of the boss 3114 plus double-sided adhesive and lower layer's diaphragm total height except top layer's diaphragm 32
Unanimously, so that it is also ensured that top layer's diaphragm 32 is viscous flat.It is finally also by one side glue 323 that the third of top layer's diaphragm 32 is convex
Out 322 and second protrusion 321 protrude 322 with the third of second layer diaphragm 32 from top to bottom and be bonded together, form a bonding
Firm diaphragm unit.First the 311, second protrusion 321 of protrusion and third protrusion 322 can according to need other sides in mould group and set
It sets.
Refering to fig. 1 with 4,31 outside of light guide plate, 1 inner side card of lower frame have fixture block 12, so that light guide plate 31 be blocked
Tightly in lower frame 31, fixture block 12 can be arranged on three sides in addition to 2 side of side entering type light source, and two adjacent sides can also only be arranged.Institute
The first positioning protrusion 13 for being provided on the inside of lower frame 1 and positioning for fixture block 12 is stated, is also provided with corresponding locating slot on fixture block 12, from
And facilitate the installation of fixture block 12 Yu lower frame 1.First positioning protrusion 13 can punching press makes together in 1 punch forming of lower frame.Portion
Divide fixture block 12 that can also not have to the first positioning protrusion 13 to position, but is directly anchored to 1 inside of lower frame, such as mould group short side
Fixture block 12 is positioned using the first positioning protrusion 13, and the fixture block 12 of mould group long side can be directly anchored to 1 inside of lower frame.Fixture block 12 can
To use silica gel block.It is slided in order to avoid light guide plate 31 and between buckling, is provided with anti-skid structure on the inside of the fixture block 12,
It is referred to Fig. 4 setting.
Refering to fig. 1 and Fig. 2, the step surrounding that the center 4 installs liquid crystal display is provided with side block blocks 41, to protect from surrounding
The liquid crystal display being mounted on center 4.Side block blocks 41 preferably select soft block.The center 4 is additionally provided with the second positioning protrusion 42,
The side block blocks 41 pass through the jack being arranged thereon and are inserted into the second positioning protrusion 42, and are bonded on center 4 by double-sided adhesive.In
Foam rubber 43 is also set up on the step of the installation liquid crystal display of frame 4, protects liquid crystal display from below.4 back side of center can be bonded black glue 44,
To stop and absorb the light projected from 3 surrounding gap of diaphragm unit, to improve backlight module visual effect.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of backlight module with high bearing capacity, it is characterised in that: including lower frame (1), side entering type light source (2), diaphragm
Component (3) and center (4), the lower frame (1) and center (4) are metal material, and the side entering type light source (2) is arranged in lower frame
(1) on medial surface；It is provided with infolding boss (11) in the side block structure on (1) four side of lower frame, the diaphragm unit (3)
It fixes in the space in lower frame (1), below infolding boss (11)；The center (4) is mounted on lower frame (1), and by interior
Roll over boss (11) support.
2. the backlight module according to claim 1 with high bearing capacity, it is characterised in that: (1) four side of lower frame
Side block structure on every side be respectively provided with multiple infolding boss (11).
3. the backlight module according to claim 1 with high bearing capacity, it is characterised in that: the diaphragm unit (3)
Including light guide plate (31) and several folded diaphragms (32) being located on light guide plate (31), light guide plate (31) side is provided with the
One protrudes (311), the second protrusion (321) corresponding with the first protrusion (311) is provided on the diaphragm (32), described second is convex
(321) are fixed on the first protrusion (311) out.
4. the backlight module according to claim 3 with high bearing capacity, it is characterised in that: first protrusion
(311) it is provided on positioning column (3111), is provided with location hole (3211), the positioning column on second protrusion (321)
(3111) it is threaded through in location hole (3211).
5. the backlight module according to claim 4 with high bearing capacity, it is characterised in that: on the diaphragm (32) also
It is provided with third protrusion (322), second protrusion (321) and third protrusion (322) are bonded in the first protrusion by adhesive tape
(311) on.
6. the backlight module according to claim 5 with high bearing capacity, it is characterised in that: first protrusion
(311) fluted (3112), platform (3113) and boss (3114) are set on；Positioning column is set at the groove (3112)
(3111), and it is Nian Jie with lowest level diaphragm (32) by double-sided adhesive；The platform (3113) connect with third protrusion (322)；Institute
It states boss (3114) and protrudes (322) for being bonded the third of top layer's diaphragm (32).
7. according to the described in any item backlight modules with high bearing capacity of claim 3 ~ 6, it is characterised in that: the leaded light
Plate (31) outside, lower frame (1) inner side card have fixture block (12), are provided on the inside of the lower frame (1) and position for fixture block (12)
The first positioning protrusion (13).
8. the backlight module according to claim 7 with high bearing capacity, it is characterised in that: on the inside of the fixture block (12)
It is provided with anti-skid structure.
9. described in any item backlight modules with high bearing capacity according to claim 1 ~ 6, it is characterised in that: the center
(4) side block blocks (41) are provided on.
10. the backlight module according to claim 9 with high bearing capacity, it is characterised in that: the center (4) also sets
It is equipped with the second positioning protrusion (42), the side block blocks (41) pass through the jack insertion the second positioning protrusion (42) being arranged thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821655373.2U CN209149017U (en) | 2018-10-12 | 2018-10-12 | A kind of backlight module with high bearing capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821655373.2U CN209149017U (en) | 2018-10-12 | 2018-10-12 | A kind of backlight module with high bearing capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209149017U true CN209149017U (en) | 2019-07-23 |
Family
ID=67269141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821655373.2U Active CN209149017U (en) | 2018-10-12 | 2018-10-12 | A kind of backlight module with high bearing capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209149017U (en) |
-
2018
- 2018-10-12 CN CN201821655373.2U patent/CN209149017U/en active Active
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