CN105511164A - Backlight module and fabrication method thereof and display device - Google Patents
Backlight module and fabrication method thereof and display device Download PDFInfo
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- CN105511164A CN105511164A CN201610076256.XA CN201610076256A CN105511164A CN 105511164 A CN105511164 A CN 105511164A CN 201610076256 A CN201610076256 A CN 201610076256A CN 105511164 A CN105511164 A CN 105511164A
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- prisms
- backlight module
- guide plate
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- lower layers
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention relates to a backlight module and a fabrication method thereof and a display device. The backlight module comprises a light guide plate and a lower prism layer, wherein the lower prism layer is formed on the light guide plate through a filming technology. According to the backlight module and the fabrication method thereof and the display device provided by the invention, the lower prism layer is directly formed on the light guide plate, so that, compared with the prior art, a base material of the lower prism layer is omitted, and the thickness of the backlight module can be reduced to a certain extent. Meanwhile, the lower prism layer and the light guide plate are independent of each other in the prior art, and the light guide plate conflicts with the lower prism layer in the vibration process to generate scratches due to mutual movement, so that the quality of a display image is affected. The lower prism layer is attached to the light guide plate in the filming technology, so that the scratches between the light guide plate and the lower prism layer in the vibration process can be avoided, and the quality of the display image is improved.
Description
Technical field
The present invention relates to technical field of liquid crystal display, especially relate to a kind of backlight module and preparation method thereof, display device.
Background technology
Backlight module is one of significant components of liquid crystal display, can provide sufficient brightness and the light source be evenly distributed, make the normal show image of liquid crystal display energy for liquid crystal display.Along with popularizing gradually of LCD product, user is more and more fastidious to product, proposes more and more higher requirement to the quality of product, the lightening development trend having become backlight module.
As shown in Figure 1, current backlight module mainly comprises diffusion layer 1, upper layers of prisms 2, lower layers of prisms 3, light guide plate 4 and reflection horizon 5 etc., diffusion layer 1, upper layers of prisms 2, lower layers of prisms 3 and reflection horizon 5 form by base material and the film material be formed on base material, make the backlight module of composition thicker.
Summary of the invention
One object of the present invention is the thickness reducing backlight module.
For this reason, the present invention proposes a kind of backlight module and preparation method thereof, display device.
First aspect, backlight module provided by the invention comprises light guide plate and lower layers of prisms, and described lower layers of prisms is formed in described light guide plate by filming technology.
Optionally, this backlight module also comprises:
Packed layer, is formed in described lower layers of prisms, for making the upper surface planarization of described lower layers of prisms;
Upper layers of prisms, is formed on described packed layer by filming technology.
Optionally, described packed layer is also for converging the light from lower layers of prisms.
Optionally, this backlight module also comprises:
Diffusion layer, is formed in described upper layers of prisms by coating processes.
Optionally, this backlight module also comprises:
Reflection horizon, is encapsulated box by sealed plastic box and described light guide plate.
Optionally, described reflection horizon comprises:
Subbase;
Metal level, is formed at described subbase towards in the one side of described light guide plate by filming technology;
Scattering layer, is formed on described metal level by coating processes.
Optionally, this backlight module also comprises:
Several support columns, are formed between described reflection horizon and described light guide plate, form air layer for making between described reflection horizon and described light guide plate.
Optionally, described light guide plate comprises: light conducting plate body and be arranged at described light conducting plate body and deviate from several sites that incident light is dispersed in the one side of described lower layers of prisms.
Optionally, described site is formed at described light conducting plate body by Patternized technique and deviates from the one side of described lower layers of prisms.
Optionally, described site comprises resin and is arranged on the scattering particles in described resin.
Second aspect, the method for making of backlight module provided by the invention comprises:
By filming technology, described lower layers of prisms is formed in described light guide plate.
Optionally, the method also comprises:
Described lower layers of prisms forms packed layer, makes the upper surface planarization of described lower layers of prisms;
By filming technology formed on described packed layer described on layers of prisms.
The third aspect, display device provided by the invention comprises above-mentioned backlight module.
In backlight module provided by the invention and preparation method thereof, display device, because lower layers of prisms is directly formed in light guide plate, eliminate the base material of lower layers of prisms relative to prior art, the thickness of backlight module can be reduced to a certain extent.Meanwhile, due to lower separate between layers of prisms and light guide plate in prior art, in vibration processes, cause scuffing because friction can occur for movement mutually between light guide plate and lower layers of prisms, thus the quality of display frame can be had influence on.And because lower layers of prisms is attached in light guide plate in the present invention, the scuffing between light guide plate and lower layers of prisms in vibration processes can be avoided, improve the quality of display frame.
Accompanying drawing explanation
Can understanding characteristic information of the present invention clearly and advantage by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the present invention, in the accompanying drawings:
Fig. 1 shows the structural representation of backlight module in prior art;
Fig. 2 shows the structural representation of backlight module provided by the invention;
Description of reference numerals:
The diffusion layer of the existing backlight module of 1-, the upper layers of prisms of the existing backlight module of 2-; The lower layers of prisms of the existing backlight module of 3-; The light guide plate of the existing backlight module of 4-; The reflection horizon of the existing backlight module of 5-;
The diffusion layer of 1'-backlight module of the present invention; The upper layers of prisms of 2'-backlight module of the present invention; Lower layers of prisms in 3'-backlight module of the present invention; The light guide plate of 4'-backlight module of the present invention; The reflection horizon of 5'-backlight module of the present invention, the packed layer of 6'-backlight module of the present invention; The sealed plastic box of 7'-backlight module of the present invention; The support column of 8'-backlight module of the present invention.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
First aspect, the invention provides a kind of backlight module, and this backlight module comprises light guide plate and lower layers of prisms, and described lower layers of prisms is formed in described light guide plate by filming technology.
In backlight module provided by the invention, because lower layers of prisms is formed in light guide plate by filming technology, namely the film material for making lower layers of prisms is formed directly into light guide plate, therefore the lower layers of prisms in backlight module provided by the invention eliminates base material relative to lower layers of prisms of the prior art, can reduce the thickness of backlight module to a certain extent.
Second aspect, present invention also offers a kind of method for making of backlight module, the method comprises: described lower layers of prisms be formed in described light guide plate by filming technology.
In the method for making of backlight module provided by the invention, due to lower layers of prisms is formed in light guide plate by filming technology, be about to be formed directly into light guide plate for the film material making lower layers of prisms, therefore the lower layers of prisms in the backlight module produced according to method for making provided by the invention eliminates base material relative to lower layers of prisms of the prior art, can reduce the thickness of backlight module to a certain extent.
In the specific implementation, the concrete structure of above-mentioned backlight module may show as multiple different form, and its corresponding method for making also may be incomplete same, is described some embodiments wherein below in conjunction with accompanying drawing.
Fig. 2 shows the structural representation of backlight module in one embodiment of the invention, and the backlight module shown in figure comprises diffusion layer 1', upper layers of prisms 2', lower layers of prisms 3', light guide plate 4', reflection horizon 5', packed layer 6', sealed plastic box 7' and support column 8'.Wherein, lower layers of prisms 3' is formed on described light guide plate 4' by filming technology; Packed layer 6' is formed on described lower layers of prisms 3', for making the upper surface planarization of described lower layers of prisms 3'; Upper layers of prisms 2' is formed on described packed layer 6' by filming technology; Diffusion layer 1' is formed at described upper layers of prisms 2' by coating processes; Reflection horizon 5' is encapsulated box by sealed plastic box 7' and described light guide plate 4'; Being formed at several support columns 8' between described reflection horizon 5' and described light guide plate 4', forming air layer for making between described reflection horizon 5' and described light guide plate 4'; Light guide plate 4' comprises light conducting plate body and is arranged at described light conducting plate body and deviates from several sites that incident light is dispersed in the one side of described lower layers of prisms.
In the present embodiment, because lower layers of prisms 3' is formed on described light guide plate 4' by filming technology.Therefore descend layers of prisms 3' to eliminate base material relative to lower layers of prisms 3 of the prior art, contribute to the thickness reducing backlight module.Meanwhile, due to lower separate between layers of prisms 3 and light guide plate 4 in prior art, in vibration processes, cause scuffing because friction can occur for movement mutually between light guide plate 3 and lower layers of prisms 4, thus the quality of display frame can be had influence on.And because lower layers of prisms 3' is attached on light guide plate 4' in the present invention, the scuffing between light guide plate 4' and lower layers of prisms 3' in vibration processes can be avoided, improve the quality of display frame.
In the specific implementation, lower layers of prisms 3' here can adopt resin or other materials with identical characteristics to make.
Simultaneously in the present embodiment, because packed layer 6' makes the rib structure planarization of lower layers of prisms 3', upper layers of prisms 2' is formed on packed layer 6' by filming technology, namely the film material for making upper layers of prisms 2' is formed directly in packed layer 6', therefore by contrasting can find out with Fig. 1, upper layers of prisms 2' eliminates base material relative to upper layers of prisms 2 of the prior art, further can reduce the thickness of backlight module.Meanwhile, owing to going up layers of prisms 2 in prior art, lower layers of prisms 3 is different with the base material of diffusion layer 1 etc., and expansion and contraction is different, buckling phenomena easily occurs in high temperature environments, thus affects image quality, reduces the yield of product.And in the present invention, because lower layers of prisms 3' and upper layers of prisms 2' eliminates respective base material, therefore can avoid due to this two-layer in the film material buckling problems that causes of base material expansion and contraction difference, image quality can be improved to a certain extent and reduce the yield of product.Certainly in actual applications; in the embodiment that some are alternative; must not need to arrange upper layers of prisms 2' according to the mode shown in Fig. 2; specifically how the setting that layers of prisms 2' can not affect other each Rotating fields is set; lower layers of prisms 3' is being formed under the prerequisite on light guide plate 4' by filming technology; corresponding technical scheme all contributes to the thickness reducing backlight module, also all should fall into protection scope of the present invention.
In the specific implementation, packed layer 6' can be filled between each rib ditch of lower layers of prisms 3', so that the formation of upper layers of prisms 2' by coating processes.Further, material the present invention of packed layer 6' does not limit, and can select as required when practical application, such as, refractive index can be adopted higher than the resin in lower layers of prisms 3', so that converge the light from lower layers of prisms 3'.
In the specific implementation, upper layers of prisms 2' can adopt the material identical with lower layers of prisms 3' to be formed, and the rib structure of upper layers of prisms 2' can be mutually vertical to each other with the rib structure of lower layers of prisms 3'.
Simultaneously in the present embodiment, because diffusion layer 1' is formed on upper layers of prisms 2' by coating processes, namely the film material for making diffusion layer 1' is directly formed at upper layers of prisms 2', therefore diffusion layer 1' eliminates base material relative to diffusion layer 1 of the prior art, can reduce the thickness of backlight module further.Meanwhile, also can avoid due to diffusion layer substrate caused film material buckling problems different from the expansion and contraction of lower layers of prisms base material.
Certainly in actual applications, in the embodiment that some are alternative, must not need to arrange diffusion layer 1' according to the mode described in Fig. 2; How diffusion layer 1 ' specifically arranges the setting that can not affect other Rotating fields.Be formed in by lower layers of prisms 3' under the prerequisite on light guide plate 4' by filming technology, corresponding technical scheme all contributes to the thickness reducing backlight module, also all should fall into protection scope of the present invention.
In the specific implementation, diffusion layer 1' can realize its diffusion to light by the mode arranging scattering particles within it.
Shown in the present embodiment is by situation that sealed plastic box 7' connects between reflection horizon 5' and light guide plate 4', such setting is relative to situation separate between reflection horizon in prior art 5 and light guide plate 4, enhance the strength of joint of reflection horizon 5' and light guide plate 4', the relative movement between reflection horizon 5' and light guide plate 4' can be avoided, thus avoid the scuffing in vibration processes between light guide plate 4' and reflection horizon 5'.
Certainly in actual applications, in the embodiment that some are alternative, also can connect by other means between reflection horizon 5' and light guide plate 4', how reflection horizon 5' specifically arranges the setting that can not affect other Rotating fields.Be formed in by lower layers of prisms 3' under the prerequisite on light guide plate 4' by filming technology, corresponding technical scheme all contributes to the thickness reducing backlight module, also all should fall into protection scope of the present invention.
In the specific implementation, the structure of reflection horizon 5' has multiple, can select as required.A kind of reflection layer structure wherein comprises: subbase, to be formed at described subbase by filming technology towards the metal level in the one side of described light guide plate and be formed at the scattering layer on described metal level by coating processes.In the reflection horizon of this structure, metal level reflects incident light, and the light of scattering layer to metal layer reflection has certain scattering process, therefore can improve the homogeneity of backlight module emergent light to a certain extent.
Wherein, subbase can adopt glass substrate conventional in lcd technology, also can adopt other materials with identical characteristics.Metal level can be, but not limited to adopt the metal such as aluminium, silver conventional in liquid crystal technology field to be formed.Further, scattering layer can adopt the resin with scattering particles to be formed, and the kind of scattering particles is varied, can select suitable kind as required in actual applications, such as BaSO
4.
And in the present embodiment, the supporting role due to support column 8' makes to form air layer between reflection horizon 5' and light guide plate 4', and air layer is conducive to making incident light be totally reflected, therefore backlight module provided by the invention is conducive to the utilization factor improving incident light.Certainly only with regard in order to reach with regard to basic object of the present invention, the support column 8' arranged here is not needed.
In the specific implementation, here support column 8' can be set in several ways, such as support column 8' can be produced on reflection horizon 5' towards in the one side of light guide plate 4', after again reflection horizon 5' and light guide plate 4' being encapsulated box, support column 8' just can play a supporting role to light guide plate 4', and specifically how arranging support column 8' can not affect enforcement of the present invention.
In the present embodiment, because the effect of dispersing can be played in the site in light conducting plate body to the light of coming from reflective layer reflects, be therefore conducive to the homogeneity improving emergent light.
In the specific implementation, light conducting plate body can adopt optical grade glass or have the other materials of identical characteristics.And site is formed at described light conducting plate body by Patternized technique deviates from the one side of described lower layers of prisms.Because site is formed in light conducting plate body by Patternized technique, be a kind of very ripe technique based on Patternized technique, the site size therefore formed is relatively more consistent, and distribution is also relatively more even, is conducive to the homogeneity improving emergent light.
As a kind of Alternate embodiments of site, the scattering particles that site here can comprise resin and be arranged in described resin.Scattering particles are set in resin, are more beneficial to the scattering to light, improve the homogeneity of emergent light further.Here scattering can be different from the scattering particles kind in the diffusion layer in diffusion layer, reflection horizon.
Understandable, although support column supports 8' on the site of light guide plate in fig. 2, when practical application, support column must not be supported on site, can also be supported in light conducting plate body.
Understandablely be, so-called filming technology can be Patternized technique, also can be coating process, can also be other techniques, can according to the suitable filming technology of the different choice of material when practical application, such as metal level, its material is metal, therefore can adopt coating process, such as, descending layers of prisms, its material is resin, therefore can adopt Patternized technique.
Corresponding to the different embodiments of the backlight module described in first aspect, the method for making of backlight module provided by the invention may show as different forms, such as when making the backlight module in above-described embodiment, its method for making specifically comprises: on the 5' of reflection horizon, make several support columns 8'; The one side of light conducting plate body towards reflection horizon 5' makes several sites that incident light is dispersed, forms light guide plate 4'; What one side light guide plate 4' with site was provided with support column 8' by sealed plastic box 7' and reflection horizon 5' one encapsulates in the face of box; Layers of prisms 3' under being formed on light guide plate 4' by filming technology; Lower layers of prisms 3' is formed packed layer 6', makes the upper surface planarization of lower layers of prisms 3'; Packed layer 6' forms layers of prisms 2', upper layers of prisms 2' is formed diffusion layer 1'.Adopt in an alternative embodiment of above-described embodiment for another example of the prior art on layers of prisms 2 substitute upper layers of prisms 2' in above-described embodiment, now in this alternative embodiment, the method for making of backlight module is from above-described embodiment, the method for making of backlight module is different: in this alternative embodiment, the method for making of backlight module does not comprise in above-mentioned method for making and " on lower layers of prisms 3', forms packed layer 6', make the upper surface planarization of lower layers of prisms 3' " this step, but upper layers of prisms 2 of the prior art will be produced separately, under light guide plate 4' is formed after layers of prisms 3', the upper layers of prisms 2 made is placed on lower layers of prisms 3', finally in upper layers of prisms 2, form diffusion layer 1'.Because the concrete structure of backlight module provided by the invention is different, its method for making can be corresponding different, and backlight module provided by the invention has numerous embodiments, repeats no longer one by one for each method for making.But should be understood that, by filming technology, described lower layers of prisms is formed at this step in described light guide plate as long as comprise in method for making, its backlight module made just can reach the object reducing thickness to a certain extent.
The third aspect, the present invention also provides a kind of display device, and this display device comprises above arbitrary described backlight module.
In the specific implementation, display device here can be: any product or parts with Presentation Function such as Electronic Paper, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
Although describe embodiments of the present invention by reference to the accompanying drawings, but those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, such amendment and modification all fall into by within claims limited range.
Claims (13)
1. a backlight module, is characterized in that, comprise light guide plate and lower layers of prisms, described lower layers of prisms is formed in described light guide plate by filming technology.
2. backlight module according to claim 1, is characterized in that, also comprises:
Packed layer, is formed in described lower layers of prisms, for making the upper surface planarization of described lower layers of prisms;
Upper layers of prisms, is formed on described packed layer by filming technology.
3. backlight module according to claim 2, is characterized in that,
Described packed layer is also for converging the light from lower layers of prisms.
4. backlight module according to claim 2, is characterized in that, also comprises:
Diffusion layer, is formed in described upper layers of prisms by coating processes.
5. backlight module according to claim 1, is characterized in that, also comprises:
Reflection horizon, is encapsulated box by sealed plastic box and described light guide plate.
6. backlight module according to claim 5, is characterized in that, described reflection horizon comprises:
Subbase;
Metal level, is formed at described subbase towards in the one side of described light guide plate by filming technology;
Scattering layer, is formed on described metal level by coating processes.
7. backlight module according to claim 5, is characterized in that, also comprises:
Several support columns, are formed between described reflection horizon and described light guide plate, form air layer for making between described reflection horizon and described light guide plate.
8. backlight module according to claim 1, is characterized in that, described light guide plate comprises: light conducting plate body and be arranged at described light conducting plate body and deviate from several sites that incident light is dispersed in the one side of described lower layers of prisms.
9. backlight module according to claim 8, is characterized in that, described site is formed at described light conducting plate body by Patternized technique and deviates from the one side of described lower layers of prisms.
10. backlight module according to claim 8, is characterized in that, described site comprises resin and is arranged on the scattering particles in described resin.
The method for making of 11. 1 kinds of backlight modules, is characterized in that, comprising:
By filming technology, described lower layers of prisms is formed in described light guide plate.
12. methods according to claim 11, is characterized in that, also comprise:
Described lower layers of prisms forms packed layer, makes the upper surface planarization of described lower layers of prisms;
By filming technology formed on described packed layer described on layers of prisms.
13. 1 kinds of display device, is characterized in that, comprise the arbitrary described backlight module of claim 1-10.
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| CN201610076256.XA CN105511164A (en) | 2016-02-03 | 2016-02-03 | Backlight module and fabrication method thereof and display device |
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| CN201610076256.XA CN105511164A (en) | 2016-02-03 | 2016-02-03 | Backlight module and fabrication method thereof and display device |
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| CN107015305A (en) * | 2017-04-28 | 2017-08-04 | 苏州艾立昇科技有限公司 | Plate lighting ultra-thin light guide board |
| CN109471296A (en) * | 2017-09-08 | 2019-03-15 | 张家港康得新光电材料有限公司 | Diffusion barrier, composite membrane, backlight module and display device |
| EP3916296A1 (en) * | 2020-05-29 | 2021-12-01 | Beijing Xiaomi Mobile Software Co., Ltd. | Optical component, backlight module, electronic equipment, and method for manufacturing optical component |
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Application publication date: 20160420 |