CN208312143U - A kind of back light source structure - Google Patents
A kind of back light source structure Download PDFInfo
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- CN208312143U CN208312143U CN201821155172.6U CN201821155172U CN208312143U CN 208312143 U CN208312143 U CN 208312143U CN 201821155172 U CN201821155172 U CN 201821155172U CN 208312143 U CN208312143 U CN 208312143U
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- retaining wall
- guide plate
- lower frame
- center
- light guide
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Abstract
The utility model provides a kind of back light source structure, including light guide plate, center and lower frame, the light guide plate is placed in the lower frame, the center includes center main body and the retaining wall for being placed in the center body rim, one retaining wall block is set for shutting out the light in an at least edge for the center main body, the region between the retaining wall block and the retaining wall is for limiting the lower frame.The retaining wall block plays position-limiting action to the light guide plate, shake the light guide plate will not, avoids the occurrence of the problem of shaking abnormal sound.In the retaining wall block, multiple protrusion packets are set on the face of the light guide plate.
Description
Technical field
The utility model relates to backlight technology fields, and in particular to a kind of back light source structure.
Background technique
In current back light source structure, as shown in Figure 1, due to being limited by current technique, in the side of molding lower frame
Cornerite notch 21a is easily formed in its junction when retaining wall 20a, as shown in Figures 2 and 3.By the light of light guide plate 3a easily from packet
Angle notch 21a is leaked out.Although the center being placed in outside lower frame can stop light outwardly to project from side, light can be from back
Face leaks out, and the leakage problem of product occurs.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of back light source structure, including center and lower frame.The center
Including center main body and the retaining wall for being placed in the center body rim, in one gear of at least edge setting of the center main body
Wall block is for shutting out the light, and the region between the retaining wall block and the retaining wall is for limiting the lower frame.
In order to solve the above-mentioned technical problem, the solution of the utility model is:
A kind of back light source structure, including light guide plate, center and lower frame, the light guide plate are placed in the lower frame, it is described in
Frame includes center main body and the retaining wall for being placed in the center body rim, is arranged one in an at least edge for the center main body
Retaining wall block is for shutting out the light, and the region between the retaining wall block and the retaining wall is for limiting the lower frame.
As a kind of improvement of back light source structure provided by the utility model, in the retaining wall block close to the light guide plate
Multiple protrusion packets are set on face.
As a kind of improvement of back light source structure provided by the utility model, lacked in the edge setting of the light guide plate
Mouthful.
As a kind of improvement of back light source structure provided by the utility model, the lower frame includes lower frame main body and is placed in institute
The side block wall at lower frame main body edge is stated, the junction of the side block wall is cornerite notch.
As a kind of improvement of back light source structure provided by the utility model, the center is glue frame, and the lower frame is gold
Belong to frame.
As a kind of improvement of back light source structure provided by the utility model, set in the side of the light-emitting surface of the light guide plate
Set composite bright enhancement film, the composite bright enhancement film includes upper prismatic lens and lower prismatic lens, the upper prismatic lens and the lower prismatic lens
It is connected by binder.
As a kind of improvement of back light source structure provided by the utility model, the lower prismatic lens include PET substrate and position
In multiple high prisms and multiple low prisms on the PET substrate, it is arranged described in two between the adjacent high prism structure
Low prism structure.
Compared with prior art, the utility model has the beneficial effects that
The utility model provides a kind of back light source structure, including center and lower frame.The center include center main body and
It is placed in the retaining wall of the center body rim, one retaining wall block is set in an at least edge for the center main body and is used for shielding light
Line avoids leaking out, and promotes backlight effect.Region between the retaining wall block and the retaining wall is for limiting the lower frame.It is described
Retaining wall block plays position-limiting action to the light guide plate, shake the light guide plate will not, avoids the occurrence of the problem of shaking abnormal sound.
Detailed description of the invention
Fig. 1 is a kind of back light source structure schematic top plan view of the prior art；
Fig. 2 is the broken section enlarged diagram in Fig. 1 shown in A；
Fig. 3 is the structural schematic diagram of the cornerite notch of back light source structure in the prior art；
Fig. 4 be the utility model proposes a kind of back light source structure side structure schematic diagram；
Fig. 5 be the utility model proposes a kind of back light source structure center structural schematic diagram；
Fig. 6 be the utility model proposes a kind of back light source structure lower frame structural schematic diagram；
Fig. 7 is the structural schematic diagram that the back light source structure of retaining wall block is arranged；
Fig. 8 is that the retaining wall block that protrusion packet is arranged and light guide plate cooperate schematic diagram；
Fig. 9 is a kind of structural schematic diagram of composite bright enhancement film.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples, the examples of the embodiments are in attached drawing
In show, in which the same or similar labels are throughly indicated same or similar elements or with the same or similar functions
Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and cannot understand
For limitations of the present invention.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
Calmly ", the terms such as " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also may be used also indirectly connected through an intermediary
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Embodiment 1
As shown in figure 4, the utility model proposes a kind of back light source structure, including optical film 6, light guide plate 3, reflector plate 4,
Lamp bar 5, lower frame 2 and center 1.The light guide plate 3 is placed in the lower frame 2 comprising incidence surface, light-emitting surface and the back side.It is described
Optical film 6 is placed in the side of the light-emitting surface of the light guide plate 3, and the reflector plate 4 is placed in the side at the back side of the light guide plate 3.
The lamp bar 5 is placed in the side of the incidence surface of the light guide plate 5, the lamp bar 5 include circuit board 51 and with the circuit board 51
One retaining wall of the LED50 of electric connection, the circuit board 51 and the lower frame 2, which is pasted, to be fixed, the preferred FPC of the circuit board 51.
The lower frame is placed in the center, and the center 1 is matched with the lower frame 2 using as support construction.
It is further improved, the center 1 is glue frame, including center main body 10 and is placed in 10 edge of center main body
Retaining wall 11, as shown in figure 5, the quantity of the retaining wall 11 is consistent with the quantity on 10 side of center main body.On the retaining wall 11
Setting buckle mouth (not shown) is used to fasten with buckle.
It is further improved, as shown in Fig. 4, coats light screening material 8 in 1 outer surface of center, reduce spurious rays pair
Shading glue or foam rubber can be used in the influence of display effect.
It is further improved, the lower frame 2 is metal frame, including lower frame main body 22 and is placed in 22 edge of lower frame main body
Side block wall 20, as shown in Figure 6.The quantity of the side block wall 20 is consistent with the quantity on 22 side of lower frame main body.In the side
Setting buckle 23 is fastened for the buckle mouth on retaining wall 20, is assembled the lower frame 2 and the center 1 and is fixed.
Due to being limited by current technique, cornerite notch 21 is easily formed in junction when forming the side block wall 20.
It is easily leaked out from the cornerite notch 21 by the light of the light guide plate 3.Although being placed in the center 1 outside the lower frame 2
Light can be stopped outwardly to project from side, but light can be leaked out from the back side, the leakage problem of product occur.
In view of the above-mentioned problems, as shown in fig. 7, at least edge setting of the center main body 10 in the center 1
One retaining wall block 7, shuts out the light and avoids leaking out, and promotes backlight effect.Region between the retaining wall block 7 and the retaining wall 11 is used for
It is assembled with the corner structure of the side block wall 20, i.e., the corner structure that the described lower frame 2 passes through the retaining wall block 7 and the retaining wall 11
Limit cooperation, is conducive to the fitting tight for making the lower frame 2 and the center 1, prevents the lower frame 2 from loosening.The retaining wall block 7
The distance between the retaining wall 11 s1 is greater than the thickness s2 of the side block wall 20, to guarantee enough assembly spaces.The gear
Wall block 7 uses elastic material such as colloidal materials, can be integrally formed with the center 1, quantity and distance s1 regard service condition and
It is fixed.Meanwhile the retaining wall block 7 plays position-limiting action to the light guide plate 3, shake the light guide plate 3 will not, avoids the occurrence of rolling
The problem of dynamic abnormal sound.
It should be noted that direction shown in Fig. 7 is the direction from the top of the back light source structure downward, i.e.,
Direction of the light-emitting surface of the light guide plate 3 to the back side.In order to clearly appear from the structure matched in the back light source structure, scheming
The center main body 10 has been cut away in 7.
It is further improved, as shown in figure 8, multiple protrusions are arranged on the face of the light guide plate 3 in the retaining wall block 7
Packet 70, the protrusion packet 70 can be integrally formed with the retaining wall block 7, be placed in the retaining wall block 7 after can also manufacturing again close to described
On the face of light guide plate 3.The protrusion packet 7 uses elastic material, and rising height is depending on service condition.The protrusion Bao Kezuo
It is contacted for auxiliary support structure with the light guide plate, contacts the light guide plate 3 first with the protrusion packet 7.Compared to the leaded light
The contact area of the contact area of plate 3 and the retaining wall block 7, the light guide plate 3 and the protrusion packet 7 reduces, and can reduce to institute
State the surface damage of 3 contact surface of light guide plate.
It is further improved, as shown in fig. 7, notch 30 and 7 phase of retaining wall block is arranged in the edge in the light guide plate 3
Cooperation.In the case where not increasing overall dimensions, to reserve the space that the retaining wall block 7 is arranged.
Be further improved, the optical film 6 is placed in the front of the light guide plate 3 comprising diffusion barrier, lower bright enhancement film and
Upper bright enhancement film.The diffusion barrier primarily serves the effect of amendment diffusion angle, increases light radiation area, but to a certain extent
Reduce the luminous intensity of unit area.Add lustre under described and upper bright enhancement film is placed in the diffusion barrier side, light source is issued
Dispersed light is assembled to positive direction, to improve display brightness.The reflector plate 4 is placed in the back side of the light guide plate 3, and bottom surface is revealed
Light out reflects back into the light guide plate 3, improves the service efficiency of light.
Embodiment 2
The utility model proposes another back light source structure, including optical film 6, light guide plate 3, reflector plate 4, lamp bar 5, under
Frame 2 and center 1.The light guide plate 3 is placed in the lower frame 2 comprising incidence surface, light-emitting surface and the back side.The optical film 6 is set
In the side of the light-emitting surface of the light guide plate 3, the reflector plate 4 is placed in the side at the back side of the light guide plate 3.The lamp bar 5
It is placed in the side of the incidence surface of the light guide plate 5, the lamp bar 5 includes circuit board 51 and is electrically connected with the circuit board 51
One retaining wall of LED50, the circuit board 51 and the lower frame 2, which is pasted, to be fixed, the preferred FPC of the circuit board 51.The lower frame is set
In in the center, the center 1 is matched with the lower frame 2 using as support construction.
One retaining wall block 7 is set in an at least edge for the center main body 10 of the center 1, shuts out the light and avoids leaking
Out, improve backlight effect.Region between the retaining wall block 7 and the retaining wall 11 is for the corner structure with the side block wall 20
Assembly, i.e., the described lower frame 2, to limit fixation, are conducive to make described by the corner structure of the retaining wall block 7 and the retaining wall 11
The fitting tight of lower frame 2 and the center 1 prevents the lower frame 2 from loosening.Between the retaining wall block 7 and the retaining wall 11 away from
From the thickness s2 that s1 is greater than the side block wall 20, to guarantee enough assembly spaces.The retaining wall block 7 plays the light guide plate 3
It to position-limiting action, shake the light guide plate 3 will not, avoid the occurrence of the problem of shaking abnormal sound.
With the demand to product is lightening and technique is simplified, composite bright enhancement film is developed and applies, with thickness
Advantage relatively thin and that assembling is simple.
In the present embodiment, setting composite bright enhancement film substitutes lower bright enhancement film and upper bright enhancement film.The composite bright enhancement film includes
Upper prismatic lens 90 and lower prismatic lens 91, the upper prismatic lens 90 and the lower prismatic lens 91 are connected by binder 92.On described
Prismatic lens 90 include PET substrate 900 and the multiple shapes and the identical prism 901 of size on the PET substrate 900,
The prism structure can be triangle or other shapes.The lower prismatic lens 91 are including PET substrate 910 and are located at the PET
Two institutes are arranged in multiple high prisms 912 and multiple low prisms 911 on substrate 910 between the adjacent high prism structure 912
State low prism structure 911, the quantity of the high prism structure 912 and the low prism structure 911 can be depending on service condition.Institute
It states high prism structure 912 to contact with the binder 92, the low prism structure 911 is not contacted with the binder 92.Pass through
911 deflecting light beams of low prism structure from optically denser medium to optically thinner medium propagate to gather to the centre of composite bright enhancement film, from
And promote backlight effect.
The composite bright enhancement film is placed in the side of the light-emitting surface of the light guide plate, can play lower bright enhancement film and upper bright enhancement film
Effect, and it is thinner and easy to assembly simple.By improving, the luminance of the composite bright enhancement film is increased, and can meet back
Light requirement.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (7)
1. a kind of back light source structure, including light guide plate, center and lower frame, the light guide plate are placed in the lower frame, feature exists
In the center includes center main body and the retaining wall for being placed in the center body rim, in the center main body at least on one side
One retaining wall block is set for shutting out the light, the region between the retaining wall block and the retaining wall is for limiting the lower frame at angle.
2. back light source structure according to claim 1, which is characterized in that in the retaining wall block close to the face of the light guide plate
The upper multiple protrusion packets of setting.
3. back light source structure according to claim 1, which is characterized in that notch is arranged in the edge of the light guide plate.
4. back light source structure according to claim 1, which is characterized in that the lower frame includes lower frame main body and is placed in described
The side block wall at lower frame main body edge, the junction of the side block wall are cornerite notch.
5. back light source structure according to claim 1, which is characterized in that the center is glue frame, and the lower frame is metal
Frame.
6. back light source structure according to claim 1, which is characterized in that be arranged in the side of the light-emitting surface of the light guide plate
Composite bright enhancement film, the composite bright enhancement film include upper prismatic lens and lower prismatic lens, and the upper prismatic lens and the lower prismatic lens are logical
Cross binder connection.
7. back light source structure according to claim 6, which is characterized in that the lower prismatic lens include PET substrate and are located at
Multiple high prisms and multiple low prisms on the PET substrate, setting two is described low between the adjacent high prism structure
Prism structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155172.6U CN208312143U (en) | 2018-07-20 | 2018-07-20 | A kind of back light source structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155172.6U CN208312143U (en) | 2018-07-20 | 2018-07-20 | A kind of back light source structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208312143U true CN208312143U (en) | 2019-01-01 |
Family
ID=64717571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821155172.6U Active CN208312143U (en) | 2018-07-20 | 2018-07-20 | A kind of back light source structure |
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| Country | Link |
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| CN (1) | CN208312143U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161753A (en) * | 2019-05-31 | 2019-08-23 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN112255841A (en) * | 2020-11-05 | 2021-01-22 | 合肥京东方显示光源有限公司 | Backlight module, liquid crystal display and electronic equipment |
-
2018
- 2018-07-20 CN CN201821155172.6U patent/CN208312143U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161753A (en) * | 2019-05-31 | 2019-08-23 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN112255841A (en) * | 2020-11-05 | 2021-01-22 | 合肥京东方显示光源有限公司 | Backlight module, liquid crystal display and electronic equipment |
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