CN205982704U - Light guide plate, heated press mold , backlight and liquid crystal display module - Google Patents
Light guide plate, heated press mold , backlight and liquid crystal display module Download PDFInfo
- Publication number
- CN205982704U CN205982704U CN201620946046.7U CN201620946046U CN205982704U CN 205982704 U CN205982704 U CN 205982704U CN 201620946046 U CN201620946046 U CN 201620946046U CN 205982704 U CN205982704 U CN 205982704U
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide plate
- hot pressing
- site
- backlight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a light guide plate, heated press mold, backlight and liquid crystal display module. This light guide plate includes transparent flexible base plate, transparent flexible base plate has relative front and bottom surface and four sides, wherein, positive play plain noodles as this light guide plate, side in four sides is as the income plain noodles of this light guide plate, be formed with a plurality of recesses through hot -pressing mode on the bottom surface, the site of enclosing in every recess is as the light guide network point of this light guide plate. This light guide plate uses transparent flexible base plate as the main part, and bending performance is good, and the luminousness is high moreover, can realize the effect of buckling of backlight, and the shockproof effect of backlight also can obtain the improvement.
Description
Technical field
This utility model is related to field of liquid crystal display, more particularly, to a kind of light guide plate, hot pressing die, backlight and liquid crystal
Show module.
Background technology
Light guide plate in backlight is typically molded in mould using PC or PMMA material and is made, injection molding PC or
There is in the mould of PMMA material the site of depression, it corresponds to raised light directing site on bottom surface of light guide plate.Leading after molding
Light plate thickness is big, and PC or PMMA material itself do not allow yet pliable, even if after the thickness of light guide plate is reduced, during bending
The situation of rupture easily occurs, on the other hand, the thickness of light guide plate is also to have the limit, with current technology, the chi of light guide plate
Very little accomplish more than 5.5 cun, body thickness accomplishes below 0.3mm, then be difficult to produce in enormous quantities.And for some special liquid crystal
Show module, such as curved surface LCD etc., then need a kind of backlight of achievable bending function to be arranged in pairs or groups.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, this utility model provide a kind of light guide plate, hot pressing die, backlight and
Liquid crystal display module.This light guide plate is used transparent flexible substrate as main body, it is preferred to use PET material, compared to prior art
Middle PC or PMMA material after moulding hardness is bigger, be difficult to the characteristic that bends, the bending performance of PET material is good, and
Light transmittance is high, can realize the bending effect of backlight with the light guide plate that PET material makes, and the shockproof effect of backlight also can
It is improved.
Technical problem to be solved in the utility model is achieved by the following technical programs：
A kind of light guide plate, including transparent flexible substrate, described transparent flexible substrate have relative front and bottom surface and
Four sides, wherein, as the exiting surface of this light guide plate, one of described four sides side is as this leaded light in described front
The incidence surface of plate, described bottom surface is formed with some grooves by hot pressing mode, and the site surrounding in each groove is led as this
The light directing site of tabula rasa.
Further, the class that the cross section of described light directing site outwards has radian for bottom is trapezoidal.
Further, described light directing site has side, and described side is an annular side or some planar side；Institute
State the seamed edge that some planar side of light directing site are crossed to form and do fillet and process.
A kind of hot pressing die, the light directing site on the light guide plate above-mentioned for making right, including pyrotoxin and with described
The pressing plate that pyrotoxin connects, described pressing plate is provided with some hot pressing sites, and each hot pressing site described is respectively provided with sharp protrusion,
Described sharp protrusion is corresponding to the groove on described bottom surface of light guide plate.
Further, the cross section of described hot pressing site outwards has the trapezoidal groove of sharp protrusion for both sides.
Further, the cross section of described hot pressing site outwards has sharp protrusion, top into described pressing plate for both sides
There is the class trapezoidal groove of radian.
Further, described hot pressing site has side, and described side is an annular side or some planar side；Institute
State the seamed edge that some planar side of hot pressing site are crossed to form and do fillet and process.
A kind of backlight, including above-mentioned light guide plate.
A kind of liquid crystal display module, including above-mentioned backlight.
This utility model has the advantages that：This light guide plate is used transparent flexible substrate as main body, it is preferred to use
PET material, compared to PC or PMMA material in prior art after moulding hardness is bigger, be difficult to the characteristic that bends, PET
The bending performance of material is good, and light transmittance is high, can realize the bending effect of backlight with the light guide plate that PET material makes,
And the shockproof effect of backlight also can be improved.
Brief description
The schematic diagram of the light guide plate that Fig. 1 provides for this utility model；
The orthographic projection of the light directing site of the light guide plate that Fig. 2 provides for this utility model and profile；
The orthographic projection of another light directing site of the light guide plate that Fig. 3 provides for this utility model and profile；
The orthographic projection of another light directing site of the light guide plate that Fig. 4 provides for this utility model and profile；
The orthographic projection of another light directing site of the light guide plate that Fig. 5 provides for this utility model and profile；
The orthographic projection of the hot pressing die that Fig. 6 provides for this utility model and profile；
The orthographic projection of another hot pressing die that Fig. 7 provides for this utility model and profile；
The orthographic projection of the another hot pressing die that Fig. 8 provides for this utility model and profile；
The orthographic projection of the another hot pressing die that Fig. 9 provides for this utility model and profile；
The orthographic projection of the another hot pressing die that Figure 10 provides for this utility model and profile；
The orthographic projection of the another hot pressing die that Figure 11 provides for this utility model and profile；
The flow process that Figure 12 makes light directing site for the hot pressing die that this utility model provides on transparent flexible substrate is illustrated
Figure；
The structure chart of the backlight that Figure 13 provides for this utility model.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is described in detail.
Embodiment 1
As shown in figure 1, a kind of light guide plate 1, including transparent flexible substrate 11, described transparent flexible substrate 11 has relative
Front and bottom surface and four sides, wherein, described front is as the exiting surface of this light guide plate 1, in described four sides
Individual side, as the incidence surface of this light guide plate 1, described bottom surface is formed with some grooves 12 by hot pressing mode, each groove 12
The site inside surrounding is as the light directing site 13 of this light guide plate 1.
This light guide plate 1 is used transparent flexible substrate 11 as main body, it is preferred to use PET material, compared in prior art
PC or PMMA material after moulding hardness is bigger, be difficult to the characteristic that bends, the bending performance of PET material is good, Er Qietou
Light rate is high, can realize the bending effect of backlight with the light guide plate 1 that PET material makes, and the shockproof effect of backlight also can
It is improved.In prior art, the light directing site on bottom surface of light guide plate is together formed in injection molding light guide plate, and this technology
Light directing site 13 in scheme then needs to make some grooves 12 in the bottom surface of transparent flexible substrate 11 by way of hot pressing, often
The site surrounding in individual groove 12 is as the light directing site 13 of this light guide plate 1.
As in Figure 2-4, the class that the cross section of described light directing site 13 outwards has radian for bottom is trapezoidal, its solid figure
It is the class round platform of cambered surface, class terrace with edge that shape includes bottom surface（The many terrace with edges of class such as class three terrace with edge, class truncated rectangular pyramids, class five terrace with edge）Deng also may be used
To be other shapes, should not be limited with the present embodiment.
Described light directing site 13 has side, and described side is an annular side or some planar side, as Fig. 5 institute
Show, as the improvement project of the technical program, the seamed edge that some planar side of described light directing site 13 are crossed to form can do
Fillet is processed.
Embodiment 2
As illustrated in figures 6-10, a kind of hot pressing die 2, for making the light directing site of the light guide plate 1 described in embodiment 1
13, including pyrotoxin（In figure is not shown）And with described pyrotoxin（In figure is not shown）The pressing plate 21 connecting, on described pressing plate 21
It is provided with some hot pressing sites 22, each hot pressing site 22 described is respectively provided with sharp protrusion 23, described sharp protrusion 23 corresponds to
Groove 12 on described light guide plate 1 bottom surface.
Light directing site 13 on described light guide plate 1 can also be made by common pressing process, it is preferable to employ
Heat pressing process.
As shown in figs 6-8, the cross section of described hot pressing site 22 outwards has the trapezoidal groove of sharp protrusion 23 for both sides,
Its three-dimensional groove shapes is round platform, terrace with edge（Many terrace with edges such as three terrace with edges, truncated rectangular pyramids, five terrace with edges）Deng；As shown in Figures 9 and 10, institute
Stating hot pressing site 22 can also be the triangular prism protruding or the intersection triangular prism protruding；Described hot pressing site 22
Can be other shapes, should be according to the concrete shape of light directing site depending on, should not be limited with the present embodiment.
As shown in figure 11, as the improvement project of the technical program, the cross section of described hot pressing site 22 is that both sides are outside
Have and sharply protrude the class trapezoidal groove that 23, top has radian into described pressing plate 21, the i.e. top surface of described hot pressing site 22
Make cambered surface to process into described pressing plate 21；Described hot pressing site 22 has side, and described side is an annular side or some
Planar side, as shown in figure 11, as the improvement project of the technical program, some planar side of described hot pressing site 21 intersect
The seamed edge being formed can do fillet and process.
This hot pressing die 2 makes process such as Figure 12 of described light directing site 13 on the bottom surface of described transparent flexible substrate 11
Shown.
Embodiment 3
As shown in figure 13, a kind of backlight, including glue frame 3 and the leaded light described in the embodiment 1 being arranged in described glue frame 3
Plate 1, is provided with luminescent device between the incidence surface of described light guide plate 1 and glue frame 3（In figure is not shown）.
At least one blooming 4 is provided with the incidence surface of described light guide plate 1, in the present embodiment, described light guide plate 1 go out light
Diffusion barrier 41, lower bright enhancement film 42 and upper bright enhancement film 43 are disposed with face, the quantity of described blooming 4 and type can be according to realities
Depending on the demand of border, should not be limited with the present embodiment.
Described light guide plate 1 is provided with reflector plate 5 away from the side of exiting surface, and described reflector plate 5 is fixed on by double faced adhesive tape
On described glue frame 3；Brake sack 6 is provided with described glue frame 3, the preferred both sides of described brake sack 6 are black flour it is also possible near institute
State light guide plate 1 side be black flour, away from described light guide plate 1 side be flour；Described luminescent device（In figure is not shown）Excellent
Elect LED as, and be connected with FPC（In figure is not shown）, described FPC（In figure is not shown）Extend to described light guide plate 1 and pass through double
Face is gluing to be attached on described light guide plate 1.
Embodiment 4
A kind of liquid crystal display module, including the backlight described in embodiment 3.
Embodiment described above only have expressed embodiment of the present utility model, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to this utility model the scope of the claims can not be interpreted as, as long as institute in the form of equivalent or equivalent transformation
The technical scheme obtaining, all should fall within protection domain of the present utility model.
Claims (9)
1. a kind of light guide plate it is characterised in that include transparent flexible substrate, described transparent flexible substrate have relative front and
Bottom surface and four sides, wherein, described front is as the exiting surface of this light guide plate, one of described four sides side
As the incidence surface of this light guide plate, described bottom surface is formed with some grooves by hot pressing mode, the net surrounding in each groove
Point is as the light directing site of this light guide plate.
2. light guide plate according to claim 1 is it is characterised in that the cross section of described light directing site outwards has for bottom
The class of radian is trapezoidal.
3. it is characterised in that described light directing site has side, described side is one to light guide plate according to claim 1
Annular side or some planar side；The seamed edge that some planar side of described light directing site are crossed to form does fillet and processes.
4. a kind of hot pressing die, for making the light directing site on arbitrary described light guide plate in claim 1-3, its feature exists
In, the pressing plate be connected including pyrotoxin and with described pyrotoxin, described pressing plate is provided with some hot pressing sites, each heat described
Pressure network point is respectively provided with sharp protrusion, and described sharp protrusion is corresponding to the groove on described bottom surface of light guide plate.
5. hot pressing die according to claim 4 is it is characterised in that the cross section of described hot pressing site outwards has for both sides
There is the trapezoidal groove of sharp protrusion.
6. hot pressing die according to claim 4 is it is characterised in that the cross section of described hot pressing site outwards has for both sides
Sharp protrusion, top is had to have the class trapezoidal groove of radian into described pressing plate.
7. it is characterised in that described hot pressing site has side, described side is hot pressing die according to claim 4
One annular side or some planar side；The seamed edge that some planar side of described hot pressing site are crossed to form does at fillet
Reason.
8. a kind of backlight is it is characterised in that include the light guide plate described in claim 1 or 2.
9. a kind of liquid crystal display module is it is characterised in that include the backlight described in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620946046.7U CN205982704U (en) | 2016-08-26 | 2016-08-26 | Light guide plate, heated press mold , backlight and liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620946046.7U CN205982704U (en) | 2016-08-26 | 2016-08-26 | Light guide plate, heated press mold , backlight and liquid crystal display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982704U true CN205982704U (en) | 2017-02-22 |
Family
ID=58035591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620946046.7U Active CN205982704U (en) | 2016-08-26 | 2016-08-26 | Light guide plate, heated press mold , backlight and liquid crystal display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205982704U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873073A (en) * | 2017-04-28 | 2017-06-20 | 福州京东方光电科技有限公司 | light guide plate and preparation method thereof, backlight module |
| CN107297888A (en) * | 2017-05-09 | 2017-10-27 | 苏州达方电子有限公司 | Rolling part, leaded light component and the method for manufacturing the leaded light component |
| CN110737044A (en) * | 2019-12-05 | 2020-01-31 | 苏州天禄光科技股份有限公司 | light guide plate mesh point direct-pressing transfer printing process |
-
2016
- 2016-08-26 CN CN201620946046.7U patent/CN205982704U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873073A (en) * | 2017-04-28 | 2017-06-20 | 福州京东方光电科技有限公司 | light guide plate and preparation method thereof, backlight module |
| US10330847B2 (en) | 2017-04-28 | 2019-06-25 | Boe Technology Group Co., Ltd. | Light guide plate, manufacturing method of the same and backlight module |
| CN106873073B (en) * | 2017-04-28 | 2020-07-07 | 福州京东方光电科技有限公司 | Light guide plate, preparation method thereof and backlight module |
| CN107297888A (en) * | 2017-05-09 | 2017-10-27 | 苏州达方电子有限公司 | Rolling part, leaded light component and the method for manufacturing the leaded light component |
| CN110737044A (en) * | 2019-12-05 | 2020-01-31 | 苏州天禄光科技股份有限公司 | light guide plate mesh point direct-pressing transfer printing process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205982704U (en) | Light guide plate, heated press mold , backlight and liquid crystal display module | |
| CN203010423U (en) | Backlight and display device | |
| JP2008129604A (en) | Optical plate and its manufacturing method | |
| CN101749600A (en) | Backlight module with platy optical element locating effect and display device and display device | |
| CN103677404B (en) | The touch screen of Rimless | |
| CN110389687B (en) | Laminating structure of curved surface visor | |
| CN201100868Y (en) | Light-guiding plate | |
| CN218767723U (en) | DPP composite membrane for backlight unit | |
| US8256932B2 (en) | Light diffusion plate and backlight module using the same | |
| CN218767721U (en) | DOP composite membrane for backlight module | |
| CN105570756B (en) | Backlight module | |
| CN208141355U (en) | Hot bending attaching type curved surface touch screen | |
| CN109068079A (en) | A kind of television set glass back plate mould group, television set and preparation method thereof | |
| CN206788404U (en) | A kind of metal frame and assembling structure of light guide plate, backlight and liquid crystal display die set | |
| CN206865516U (en) | Hand set machine shell and mobile phone | |
| CN206489293U (en) | Light guide plate, backlight module and display device | |
| CN204925564U (en) | Backplate, backplate subassembly and backlight unit | |
| CN207571424U (en) | Touch module, liquid crystal display and terminal device | |
| CN203465695U (en) | Touch panel and touch assembly | |
| CN204964951U (en) | Backlight subassembly, display device | |
| CN109152259A (en) | A kind of optical thin film, mold and electronic equipment cover board | |
| CN208013463U (en) | Compound PP diffuser plates in three-in-one mould | |
| CN202675085U (en) | Backlight module | |
| CN208888409U (en) | Edge-type light guide plate, side entrance back module and display device | |
| CN208188387U (en) | Feature board is used in the high light diffusion of high fog |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |