CN206161891U - Integral structure, backlight and liquid crystal display module of light guide plate and luminous LED lamp strip of side - Google Patents
Integral structure, backlight and liquid crystal display module of light guide plate and luminous LED lamp strip of side Download PDFInfo
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- CN206161891U CN206161891U CN201621243902.9U CN201621243902U CN206161891U CN 206161891 U CN206161891 U CN 206161891U CN 201621243902 U CN201621243902 U CN 201621243902U CN 206161891 U CN206161891 U CN 206161891U
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- guide plate
- light guide
- led lamp
- lamp bar
- emitting led
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Abstract
The utility model discloses an integral structure, backlight and liquid crystal display module of light guide plate and luminous LED lamp strip of side. The integral structure of this light guide plate and the luminous LED lamp strip of side includes the light guide plate and sets up the luminous LED lamp strip of side on the plain noodles is gone into to the light guide plate, fill the transparency material between the light emitting area of the luminous LED lamp strip of side and the income plain noodles of light guide plate, the refracting index of transparency material with the refracting index of light guide plate is close, the FPC of the luminous LED lamp strip of side pastes on the light guide plate. The light emitting area width of the luminous LED lamp strip of side of its adoption is little, is favorable to frivolousization of backlight, there is not unable fixed problem between the luminous LED lamp strip of side and gluey frame or the iron stand, FPC as the carrier of transparency material, need not with the help of injection mold or supplementary smelting tool when filling the transparency material, and manufacturing cost is lower.
Description
Technical field
This utility model is related to field of backlights, more particularly to a kind of light guide plate and side-emitting LED lamp bar integral structure,
Backlight and liquid crystal display module.
Background technology
Due to there is gap between light guide plate and LED lamp bar in backlight, the refractive index of air and light guide plate in gap
Difference, easily causes light to reflect on the incidence surface of light guide plate, reduces into the light in light guide plate, causes light
Loss, according to detector gap be 0.1mm when, the brightness of backlight about reduces 5%, and gap is bigger, the loss of light
Bigger, when gap is 0.2mm, the brightness of backlight about reduces 20%.
A Authorization Notice No. for CN204345358U utility model patent file in disclose a kind of side entering type LED
Lamp.The side entering type LED includes LED modules and light guide plate, and LED modules are arranged on the incidence surface of light guide plate, in light guide plate
Transparency material, the refractive index of the transparency material and the refractive index close of light guide plate are filled between incidence surface and LED modules.The side
Enter fiber-loss caused by the gap that formula LED solves the problems, such as between LED modules and light guide plate by transparency material, but
There is following defect：1. the LED modules are emitting led for top, and its light-emitting area width is 1 ~ 2mm, and the thickness of light guide plate at least will
Equal to the width for pushing up emitting led light-emitting area, the incidence surface that can just make light guide plate is engaged with emitting led light-emitting area is pushed up, no
Beneficial to the lightening of backlight；2. usually first will be pushed up in assembling using the emitting led side-edge type backlight in top emitting led solid
It is scheduled on glue frame or brandreth, reassembles light guide plate, but side entering type LED needs are first emitting led and light guide plate between on top
Filling transparency material is fixed, then is assembled to together in glue frame or brandreth, if there is die male during filling transparency material
Difference or operating error, then push up it is emitting led there is gap and glue frame or brandreth between, push up it is emitting led cannot be fixed to glue frame or
On brandreth；3. the emitting led transparency material and light guide plate between is pushed up in the filling process without carrier, therefore, it is necessary to pass through note
Mould or auxiliary smelting tool could solidify transparency material, increased production cost.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, a kind of light guide plate of this utility model offer and side-emitting LED lamp bar
Integral structure, backlight and liquid crystal display module.The integral structure of the light guide plate and side-emitting LED lamp bar is adopted to be sent out in side
The mode that transparency material is filled between the light-emitting area of light LED lamp bar and the incidence surface of light guide plate forms integral structure, and side lights
The light-emitting area width of LED lamp bar is little, is conducive to the lightening of backlight；Do not deposit between side-emitting LED lamp bar and glue frame or brandreth
In the problem that cannot be fixed；And the FPC of side-emitting LED lamp bar can serve as the carrying of transparency material when transparency material is filled
Thing, without injection mold or auxiliary smelting tool, production cost is lower.
Technical problem to be solved in the utility model is achieved by the following technical programs：
A kind of integral structure of light guide plate and side-emitting LED lamp bar, including light guide plate and be arranged on the light guide plate and enter
Side-emitting LED lamp bar on bright finish, between the light-emitting area of side-emitting LED lamp bar and the incidence surface of light guide plate transparency is filled
Matter, the refractive index close of the refractive index of the transparency material and the light guide plate；The FPC of the side-emitting LED lamp bar is pasted
On the light guide plate.
Further, the side-emitting LED lamp bar away from FPC side and light guide plate on be pasted with reflectance coating.
Further, the FPC is coated with white ink near the side of the LED of the side-emitting LED lamp bar.
A kind of backlight, including the integral structure of above-mentioned light guide plate and side-emitting LED lamp bar.
Further, an at least blooming is provided with the exiting surface of the light guide plate.
Further, the light guide plate is provided with reflector plate away from the side of exiting surface.
Further, it is provided with brake sack in the glue frame.
A kind of liquid crystal display module, including above-mentioned backlight.
This utility model has the advantages that：The integral structure of the light guide plate and side-emitting LED lamp bar is adopted
The mode that transparency material is filled between the light-emitting area of side-emitting LED lamp bar and the incidence surface of light guide plate forms integral structure, side
The light-emitting area width of emitting led lamp bar is little, is conducive to the lightening of backlight；Between side-emitting LED lamp bar and glue frame or brandreth
Not there is a problem of fixing；And the FPC of side-emitting LED lamp bar can serve as transparency material when transparency material is filled
Carrier, without injection mold or auxiliary smelting tool, production cost is lower.
Description of the drawings
Light guide plate and the schematic diagram of the integral structure of side-emitting LED lamp bar that Fig. 1 is provided for this utility model；
Fig. 2 is the schematic diagram of the reflectance coating of the integral structure of the light guide plate in Fig. 1 and side-emitting LED lamp bar
The schematic diagram of the backlight that Fig. 3 is provided for this utility model；
The schematic diagram of another backlight that Fig. 4 is provided for this utility model.
Specific embodiment
This utility model is described in detail with reference to the accompanying drawings and examples.
Embodiment one
As shown in figure 1, the integral structure of a kind of light guide plate and side-emitting LED lamp bar, including light guide plate 1 and it is arranged on institute
State the side-emitting LED lamp bar 2 on the incidence surface of light guide plate 1, the light-emitting area of the side-emitting LED lamp bar 2 and the incidence surface of light guide plate 1
Between fill transparency material 3, the refractive index close of the refractive index of the transparency material 3 and the light guide plate 1；The side lights
The FPC 21 of LED lamp bar 2 is pasted on the light guide plate 1.
The integral structure of the light guide plate and side-emitting LED lamp bar is using the light-emitting area and leaded light in side-emitting LED lamp bar 2
The mode that transparency material 3 is filled between the incidence surface of plate 1 forms integral structure, the light-emitting area width of side-emitting LED lamp bar 2
Little, about between 0.3 ~ 0.6mm, therefore the thickness of light guide plate 1 can do thin to 0.3 ~ 0.6mm, be conducive to the light of backlight
Thinning；Side-emitting LED lamp bar 2 there is gap originally in assembling between glue frame or brandreth, therefore, not existing to consolidate
Fixed problem, and, side-emitting LED lamp bar 2 originally pastes FPC 21 on light guide plate 1, pastes in FPC 21
After on light guide plate 1, relative position between the two has also been fixed, and is refilled transparency material 3 and be there will not be error appearance；Side
The FPC 21 of emitting led lamp bar 2 can serve as the carrier of transparency material 3 when transparency material 3 is filled, without injection mould
Tool aids in smelting tool, it is only necessary to carry out the filling of transparency material 3 using the drop technique such as glue or dispensing, production cost is lower.
The light transmission rate of the transparency material 3 more than 90%, solidification temperature at 10 ~ 60 DEG C, cure shrinkage 1% with
It is interior, material include but is not limited to organic silica gel or acrylic type resin or acrylic type unsaturated polyester (UP) or polyurethane or
Epoxy resin or natural resin etc..
The material of the light guide plate 1 is generally PMMA, and its refractive index is 1.45, therefore, the refractive index of the transparency material 3
Can between 1.4 ~ 1.6, but, should be according to the concrete material of the light guide plate 1 depending on, should not be as limit.
The side-emitting LED lamp bar 2 away from FPC 21 side and light guide plate 1 on be pasted with reflectance coating 4, the FPC 21
The side of LED 22 near the side-emitting LED lamp bar 2 is coated with white ink, for will be from the side-emitting LED lamp bar 2
The light back that exhales of light-emitting area surrounding return in the light guide plate 1, prevent fiber-loss, improve the bright of backlight
Degree.
Embodiment two
As shown in figure 1, the integral structure of a kind of light guide plate and side-emitting LED lamp bar, including light guide plate 1 and it is arranged on institute
State the side-emitting LED lamp bar 2 on the incidence surface of light guide plate 1, the light-emitting area of the side-emitting LED lamp bar 2 and the incidence surface of light guide plate 1
Between fill transparency material 3, the refractive index close of the refractive index of the transparency material 3 and the light guide plate 1；The side lights
The FPC 21 of LED lamp bar 2 is pasted on the light guide plate 1.
The integral structure of the light guide plate and side-emitting LED lamp bar is using the light-emitting area and leaded light in side-emitting LED lamp bar 2
The mode that transparency material 3 is filled between the incidence surface of plate 1 forms integral structure, the light-emitting area width of side-emitting LED lamp bar 2
Little, about between 0.3 ~ 0.6mm, therefore the thickness of light guide plate 1 can do thin to 0.3 ~ 0.6mm, be conducive to the light of backlight
Thinning；Side-emitting LED lamp bar 2 there is gap originally in assembling between glue frame or brandreth, therefore, not existing to consolidate
Fixed problem, and, side-emitting LED lamp bar 2 originally pastes FPC 21 on light guide plate 1, pastes in FPC 21
After on light guide plate 1, relative position between the two has also been fixed, and is refilled transparency material 3 and be there will not be error appearance；Side
The FPC 21 of emitting led lamp bar 2 can serve as the carrier of transparency material 3 when transparency material 3 is filled, without injection mould
Tool aids in smelting tool, it is only necessary to carry out the filling of transparency material 3 using the drop technique such as glue or dispensing, production cost is lower.
The light transmission rate of the transparency material 3 more than 90%, solidification temperature at 10 ~ 60 DEG C, cure shrinkage 1% with
It is interior, material include but is not limited to organic silica gel or acrylic type resin or acrylic type unsaturated polyester (UP) or polyurethane or
Epoxy resin or natural resin etc..
The material of the light guide plate 1 is generally PMMA, and its refractive index is 1.45, therefore, the refractive index of the transparency material 3
Can between 1.4 ~ 1.6, but, should be according to the concrete material of the light guide plate 1 depending on, should not be as limit.
The side-emitting LED lamp bar 2 away from FPC 21 side and light guide plate 1 on be pasted with reflectance coating 4, the FPC 21
The side of LED 22 near the side-emitting LED lamp bar 2 is coated with white ink, for will be from the side-emitting LED lamp bar 2
The light back that exhales of light-emitting area surrounding return in the light guide plate 1, prevent fiber-loss, improve the bright of backlight
Degree.
As shown in Fig. 2 the reflectance coating 4 includes reflection basic unit 41, the reflection basic unit 41 includes base material 411 and uniform point
Reflection space 412 and reflective particle 413 of the cloth in the base material 411, is provided with the non-reflecting surface of the reflection basic unit 41
Metallic reflector 42.
The reflectance coating 4 increased metallic reflector 42 on the non-reflecting surface of reflection basic unit 41, strengthen the anti-of reflectance coating 4
Effect is penetrated, prevents light from directly passing through from reflection basic unit 41 and not reflecting, metallic reflector 42 is very thin, essentially without right
The integral thickness of reflectance coating 4 produces impact.
The material of the metallic reflector 42 preferably metal material with high reflectance, such as silver or aluminum or
Nickel or chromium etc.；The reflectance coating 4 can also be according to the actual requirements in the reflection basic unit 41 away from the metallic reflector 42
Side, the metallic reflector 42 are respectively provided with the first protective layer 43, the second protective layer away from the side of the reflection basic unit 41
44。
Embodiment three
As shown in Figures 3 and 4, a kind of backlight, including metal rack 6, the glue frame 5 being arranged in the metal rack 6, it is arranged on
The integral structure of the light guide plate 1 described in embodiment one and side-emitting LED lamp bar 2 in the glue frame 5.
One end of the FPC 21 of the side-emitting LED lamp bar 2 is pasted on the light guide plate 1, and the other end pastes described
In glue frame 5, the FPC 21 pastes the back side of the light guide plate 1 and glue frame 5（Such as Fig. 3）Or front（Such as Fig. 4）On
With.
It is provided with an at least blooming 7 on the exiting surface of the light guide plate 1, light guide plate 1 described in the present embodiment goes out light
Diffusion barrier, lower bright enhancement film and upper bright enhancement film are disposed with face, certainly, the quantity and type of the blooming 7 should be according to realities
Depending on the demand of border, should not be as limit.
The light guide plate 1 is provided with reflector plate 8 away from the side of exiting surface；Brake sack 9, institute are provided with the glue frame 5
State brake sack 9 preferably two-sided with viscosity, it is preferably two-sided to be black flour.
Example IV
A kind of liquid crystal display module, including the backlight described in embodiment three.
Embodiment described above only expresses embodiment of the present utility model, and its description is more concrete and detailed, but and
Therefore the restriction to this utility model the scope of the claims can not be interpreted as, as long as the institute in the form of equivalent or equivalent transformation
The technical scheme of acquisition, all should fall within protection domain of the present utility model.
Claims (7)
1. a kind of integral structure of light guide plate and side-emitting LED lamp bar, including light guide plate and it is arranged on the light guide plate and enters light
Side-emitting LED lamp bar on face, it is characterised in that between the light-emitting area of side-emitting LED lamp bar and the incidence surface of light guide plate
Filling transparency material, the refractive index close of the refractive index of the transparency material and the light guide plate；The side-emitting LED lamp bar
FPC is pasted on the light guide plate.
2. the integral structure of light guide plate according to claim 1 and side-emitting LED lamp bar, it is characterised in that the side
Emitting led lamp bar away from FPC side and light guide plate on be pasted with reflectance coating.
3. the integral structure of light guide plate according to claim 1 and 2 and side-emitting LED lamp bar, it is characterised in that described
FPC is coated with white ink near the side of the LED of the side-emitting LED lamp bar.
4. a kind of backlight, it is characterised in that including arbitrary described light guide plate and side-emitting LED lamp bar in claim 1-3
Integral structure.
5. backlight according to claim 4, it is characterised in that an at least light is provided with the exiting surface of the light guide plate
Learn film.
6. backlight according to claim 4, it is characterised in that the light guide plate is provided with instead away from the side of exiting surface
Penetrate piece.
7. a kind of liquid crystal display module, it is characterised in that including arbitrary described backlight in claim 4-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243902.9U CN206161891U (en) | 2016-11-21 | 2016-11-21 | Integral structure, backlight and liquid crystal display module of light guide plate and luminous LED lamp strip of side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243902.9U CN206161891U (en) | 2016-11-21 | 2016-11-21 | Integral structure, backlight and liquid crystal display module of light guide plate and luminous LED lamp strip of side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161891U true CN206161891U (en) | 2017-05-10 |
Family
ID=58660557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621243902.9U Active CN206161891U (en) | 2016-11-21 | 2016-11-21 | Integral structure, backlight and liquid crystal display module of light guide plate and luminous LED lamp strip of side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205828A1 (en) * | 2017-05-11 | 2018-11-15 | 京东方科技集团股份有限公司 | Backlight module and display device |
-
2016
- 2016-11-21 CN CN201621243902.9U patent/CN206161891U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205828A1 (en) * | 2017-05-11 | 2018-11-15 | 京东方科技集团股份有限公司 | Backlight module and display device |
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