CN109991693A - Blast film manufacturing method, backlight module, flat-panel monitor and electronic device - Google Patents
Blast film manufacturing method, backlight module, flat-panel monitor and electronic device Download PDFInfo
- Publication number
- CN109991693A CN109991693A CN201711481017.3A CN201711481017A CN109991693A CN 109991693 A CN109991693 A CN 109991693A CN 201711481017 A CN201711481017 A CN 201711481017A CN 109991693 A CN109991693 A CN 109991693A
- Authority
- CN
- China
- Prior art keywords
- rough surface
- film manufacturing
- coarse
- pressure roller
- layer
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
Abstract
The invention discloses a kind of blast film manufacturing method, backlight module, flat-panel monitor and electronic devices, by after providing pressure roller and substrate, heated substrate is rolled using pressure roller to rolling surface, forms at least one layer of first rough surface using roughening treatment method on coarse bottom surface；Or, before pressure roller waits for rolling surface, the method for forming at least one layer of first rough surface using roughening treatment method on coarse bottom surface, so that the entering light face of brightness enhancement film has multilayer rough surface structure, when the brightness enhancement film that the blast film manufacturing method of the light that light source issues through the invention manufactures, the rough surface by multilayer is needed, the diffusion of entering light is enhanced.Blast film manufacturing method of the invention greatly strengthens the mist degree in brightness enhancement film entering light face, advantageously reduces the generation of water ripples and interference fringe phenomenon, and reduce the adverse effect to assembling yield without adulterating particle by substrate in this present embodiment.
Description
Technical field
The present invention relates to field of liquid crystal display more particularly to a kind of blast film manufacturing methods, backlight module, flat-panel monitor
And electronic device.
Background technique
Currently, brightness enhancement film is one of most important optical film in the backlight module for be widely used in liquid crystal display, increase
Bright film plays the role of including: raising light utilization efficiency, reduces light loss, improves backlight illumination, reduces power consumption etc., brightness enhancement film
Principle mainly light is concentrated using special prism structure.
Although the brightness enhancement film conventionally produced has the effect of improving light utilization efficiency, it is easy to produce More's effect
The structure of improved brightness enhancement film should be proposed in the prior art, such as in blast with Newton's ring phenomenon in order to avoid these phenomenons
The entering light face doping particle of film increases the diffusion effect in entering light face, or reduce to the entering light face of brightness enhancement film the place of smoothness
Reason.In former scheme, brightness enhancement film is easy to fall particle therein when cutting, and influences backlight assembling yield and is unfavorable for
Application in high-precision product.In latter scheme, although the entering light face of brightness enhancement film has certain roughness, its
The coarse structure for forming rough surface is relatively smooth, slightly in regularly arranged, is easy to produce water ripple phenomenon and interference fringe.
Summary of the invention
It is a primary object of the present invention to propose a kind of blast film manufacturing method, backlight module, flat-panel monitor and electronics
Device, it is intended to solve brightness enhancement film in the prior art and be easy to produce doping particle shadow in water ripple phenomenon and interference fringe or brightness enhancement film
The problem of ringing backlight assembling yield.
To achieve the above object, the present invention provides a kind of blast film manufacturing method, which includes:
One pressure roller is provided；
One substrate is provided, substrate include to rolling surface and with the coarse bottom surface opposite to rolling surface；
Heated substrate, and rolled using pressure roller to rolling surface；On coarse bottom surface using roughening treatment method formed to
Few one layer of first rough surface；
Alternatively, forming at least one layer of first rough surface using roughening treatment method on coarse bottom surface；Heated substrate, and
It is rolled using pressure roller to rolling surface.
Further, pressure roller has prism structure surface, and prism structure surface is utilized coarse surface forming method and is made the
Two rough surfaces.
Further, prism structure surface is utilized coarse surface forming method and is provided with multiple salient points and/or concave point, with shape
At the second rough surface.
Further, coarse surface forming method includes: at least one in radium-shine, sandblasting, etching, plating and coating method
Kind.
Further, the number of plies of the first rough surface be one layer, on coarse bottom surface using roughening treatment method formed to
One layer of first rough surface includes: less
Multiple salient points and/or concave point are set using roughening treatment method in coarse bottom surface, to form the first rough surface.
Further, the mist degree range of coarse bottom surface is 2%-50%, and the mist degree range of the first rough surface is 10%-
80%, the mist degree range on surface of coarse bottom surface and the first rough surface composition is 10%-60%.
Further, roughening treatment method includes: at least one of radium-shine, sandblasting, etching, plating, coating.
To achieve the above object, the present invention also provides a kind of backlight modules, including such as above-mentioned blast film manufacturing method institute
The brightness enhancement film of manufacture.
To achieve the above object, the present invention also provides a kind of flat-panel monitors, including such as above-mentioned backlight module.
To achieve the above object, the present invention also provides a kind of electronic devices, comprising: control electronics and as above-mentioned flat
Plate display, control electronics are by image data guiding flat-panel monitor image is presented according to image data.
The invention discloses a kind of blast film manufacturing method, backlight module, flat-panel monitor and electronic devices, by mentioning
After pressure roller and substrate, heated substrate is rolled using pressure roller to rolling surface, and roughening treatment method is utilized on coarse bottom surface
Form at least one layer of first rough surface；Alternatively, utilizing roughening treatment method shape on coarse bottom surface before pressure roller waits for rolling surface
At the method for at least one layer of first rough surface, so that the entering light face of brightness enhancement film has multilayer rough surface structure, light is through the invention
Blast film manufacturing method manufacture brightness enhancement film when, need the rough surface by multilayer, enhance the diffusion of entering light.Institute
With blast film manufacturing method of the invention greatly strengthens the mist degree in brightness enhancement film entering light face, advantageously reduces water ripples and interference
The generation of fringe phenomena, and the unfavorable shadow to assembling yield is reduced without adulterating particle by substrate in this present embodiment
It rings.
Further, present invention rolling is to have the second rough surface on the pressure roller of rolling surface, so as to also have on rolling surface
There is corresponding rough surface structure, further reduced the generation of water ripples and interference fringe, enhances the effect of brightness enhancement film.
Detailed description of the invention
Fig. 1 is a kind of flow chart of blast film manufacturing method provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the coarse bottom surface of brightness enhancement film in the prior art；
Fig. 3 is the signal using the entering light face of the brightness enhancement film of blast film manufacturing method provided in an embodiment of the present invention manufacture
Figure；
Fig. 4 is the structural schematic diagram using the brightness enhancement film of blast film manufacturing method provided in an embodiment of the present invention manufacture.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In order to solve in the prior art, the structure of the rough surface positioned at entering light side of brightness enhancement film is relatively smooth, Wu Fayou
Effect promotes haze value, causes concealing insufficient, the structure for being easy to produce water ripple phenomenon and the rough surface has certain rule
Property, the problems such as being easy to produce interference fringe, the present embodiment proposes a kind of haze value that brightness enhancement film can be enhanced, and enhances its concealing
Power reduces the blast film manufacturing method that water ripples and interference fringe generate, as shown in Figure 1, the blast film manufacturing method includes:
S101, a pressure roller is provided；
S102, provide a substrate, substrate include to rolling surface and with the coarse bottom surface opposite to rolling surface；Into S103
Or S105；
S103, heated substrate, and rolled using pressure roller to rolling surface；
S104, using roughening treatment method at least one layer of first rough surface is formed on coarse bottom surface；
S105, using roughening treatment method at least one layer of first rough surface is formed on coarse bottom surface；
S106, heated substrate, and rolled using pressure roller to rolling surface.
In the present embodiment, pressure roller can be the pressure roller used in the prior art with prism structure surface, circumference
There is no limit the micro-structure on pressure roller can use existing micro-structure to radius in the present embodiment.
In the present embodiment, substrate can be integrally formed structure, be also possible to be made of multilayered structure, such as substrate
Including at least two layers, one layer is basement membrane, and one layer is layer to be rolled to roll out micro-structure, opposite with layer to be rolled on basement membrane
Surface be substrate coarse bottom surface (the entering light face of substrate), be to rolling surface (base wait roll surface opposite with basement membrane on layer
The light-emitting surface of material).The material of basement membrane can be PET (Polyethyleneterephthalate, polyethylene terephthalate
Ester) etc., which can be is formed on basement membrane by the way of coating, i.e., on the basement membrane of preparation, coats preparatory system
Good coating material, forms layer to be rolled.Wherein, coating material can be special Acrylic Resin acrylic acid (class) resin
Material is formed with UV initiator mixed configuration.In one example, basement membrane and layer to be rolled can also be by way of co-extrusion
It is formed, i.e., during preparing substrate, after layer and PET basement membrane co-extrusion to be rolled, curtain coating forms substrate.In the present embodiment,
Basement membrane and layer to be rolled in substrate can also be set together using other modes, and the present embodiment does not have any limit to this
System.
In the present embodiment, the formation of the coarse bottom surface of substrate can use existing mode, in one example, coarse
The generation type of bottom surface includes: to adulterate particle in the certain thickness in the entering light face of substrate, so that the entering light face of substrate has one
Fixed bulge-structure forms coarse bottom surface.In another example, the generation type of coarse bottom surface includes: the entering light in substrate
In such a way that machinery digs point, the roughness for increasing entering light face forms coarse bottom surface in face.
In the present embodiment, the forming method of the first rough surface includes at least two kinds, the first is corresponded in S103-S104
Method, first roll in substrate to rolling surface, form the micro-structure added lustre to such as prism structure, it is then sharp on coarse bottom surface again
The first rough surface is formed with roughening treatment method.The making step of the first rough surface is the last of substrate production in the method
One step is effectively equivalent to that the first rough surface is made using S104 step on the coarse bottom surface of existing manufactured substrate.The
Two kinds of methods corresponded in S105-S106 first form first using roughening treatment method on the coarse bottom surface of substrate
Rough surface, then complete the process that pressure roller rolling forms the micro-structure added lustre to rolling surface.It is understood that pressure roller rolling to
After rolling surface, generally also needing to irradiate using UV light makes its hardening to the coating material of rolling surface.In above-mentioned first method
In, the first rough surface can be made in the final step of the preparation flow of existing brightness enhancement film, avoided to existing blast
The change of film production sequence of steps.The second way preparation of coarse bottom surface and the first rough surface can then be put together into
Row reduces production stage.Above two mode has their own advantages, can unrestricted choice as needed in actual production.
It is understood that in addition to above-mentioned two enumerated kind sequence of steps, the formation of the first rough surface be can also be at it
Before or after his step, such as after coarse bottom surface is formed, before layer to be rolled is coated on basement membrane etc..As long as guaranteeing
First rough surface is made after coarse bottom surface is formed.
In order to further enhance the quality of brightness enhancement film, avoids that optical dispersion occurs when brightness enhancement film and other materials are stacked, folds
Phenomena such as line and hickie, in the present embodiment, after the light-emitting surface that rolling surface obtains after roll forming be coarse light-emitting surface.
The coarse light-emitting surface can be after light-emitting surface roll forming, utilize such as sandblasting, plating, coating, radium-shine, etching
Etc. modes light-emitting surface handled.But these modes can all increase the production stage of brightness enhancement film, and it is multiple to increase technique
Miscellaneous degree and difficulty.For technology difficulty, an example of the present embodiment also proposes that a kind of utilization pressure roller is made while rolling
The mode of coarse light-emitting surface.In this example, the structure of pressure roller is changed relative to existing pressure roller, the pressure roller in the example
Prism structure surface be utilized coarse surface forming method the second rough surface be made.Second rough surface can be by pressure roller
Micro concavo-convex structure is arranged on the surface of prism structure to be formed.It is set specifically, can be by the surface of the prism structure in pressure roller
The mode for setting multiple salient points and/or multiple concave points forms the second rough surface.The generation type of the salient point of second rough surface include but
It is not limited to: at least one of sandblasting, plating and coating.The generation type of the concave point of second rough surface includes but is not limited to radium
At least one of penetrate, etch.
In one example, the number of plies of the first rough surface is one layer, and roughening treatment method shape is utilized on coarse bottom surface
It include: to add multiple salient points and/or concave point using roughening treatment method in coarse bottom surface at the first rough surface of at least one layer, with
Form the first rough surface.Salient point and concave point in the present embodiment dispersed distribution on coarse bottom surface.
Wherein, in order to enhance the first rough surface bring atomizing effect, salient point and concave point on the first rough surface it is big
Small size is small than the mechanical hole fabrication on coarse bottom surface or because of the size dimension for the protrusion that particle adulterates and is formed.As shown in Fig. 2,
For the coarse bottom surface (entering light face) of brightness enhancement film in the prior art, from figure 2 it can be seen that the body structure surface of existing coarse bottom surface
It is relatively smooth, and arrange slightly in regularly arranged, therefore, it be easy to cause water ripple phenomenon and is easy to generate with prism or glass dry
Relate to striped.Using the method for the present embodiment, it is coarse that the formation first (as shown in Figure 3) of multiple salient points is set on the coarse bottom surface
Face, as can be seen from Figure 3 the size dimension of the salient point is smaller than the size of the coarse structure on coarse bottom surface, and the first rough surface is simultaneously
It is not completely covered by coarse bottom surface.The signal of the first rough surface is formed by concave point or in a manner of concave point and salient point in the present embodiment
Scheme similar with Fig. 3.
It is contemplated that the Density Distribution of the present embodiment bumps and concave point in coarse bottom surface will affect the mist in substrate entering light face
Angle value is promoted, and the density of salient point and concave point is too low, cannot reduce well coarse bottom surface coarse structure surface flatness and
Upsetting coarse structure slightly is in regular arrangement, so in practice, the Density Distribution of salient point and concave point can be according to actual need
It is adjusted, the present embodiment does not limit this.The shape of salient point and concave point can be regular shape such as spheroidal, elliptical shape ball
Bodily form etc. can also be irregular shape such as polyhedron shape etc..
If form the first rough surface by the way of salient point, then the material of salient point is selected as transparent material, salient point
Surface can change via chemical substance so that the refraction coefficient of its surface refraction coefficient and substrate is close.In one example, convex
The surface of point can also have reflexive (such as bump surface is the surface by polishing or being coated with).
In the present embodiment, the mist degree range of coarse bottom surface is in 2%-50%, and the mist degree of the first rough surface is in 10%-
80%, behind coarse bottom surface and the superposition of the first rough surface the mist degree effect that reaches in 10%-60%, relative to only have one layer it is coarse
For the structure of bottom surface, according to the entering light face (coarse the+the first rough surface of bottom surface) for the brightness enhancement film that the method for the present embodiment is formed
Mist degree and concealing are improved.
Further, in the present embodiment, the roughening treatment of at least one layer of first rough surface is formed on coarse bottom surface
Method includes: at least one of radium-shine, sandblasting, etching, plating, coating.
The blast film manufacturing method in this programme is illustrated below with the specific embodiment in practical application.
For example, the selected brightness enhancement film prepared in the prior art, which has PET basement membrane and is located at PET basement membrane
On prism resin layer, being located on PET basement membrane with the surface of prism resin layer opposite side is coarse bottom surface, the coarse bottom surface
It is formed by the way of machinery system point.After selected brightness enhancement film, using preset roughening treatment method to coarse bottom surface into
Row processing, re-forms one layer of first rough surface on the coarse bottom surface.Specifically, sandblasting can be utilized on coarse bottom surface
Mode sprayed convex point formed the first rough surface.Wherein, Density Distribution of the salient point in coarse bottom surface is arranged with actual needs.Salient point
Be preferably shaped to nearly spheroidal.
For example, the substrate of selected preparation, which includes that PET basement membrane (can be other materials to be made in other examples
Basement membrane), in the epilamellar layer to be rolled of PET, (material of layer to be rolled can be special acrylic acid (class) resin material and UV
Initiator is made), it far from layer to be rolled is coarse bottom surface on one side on PET basement membrane, wait roll the one side on layer far from PET basement membrane
It is to rolling surface.Selected pressure roller, the prism structure surface of pressure roller is utilized coarse surface forming method and the second rough surface is made, coarse
Surface forming method includes: at least one of radium-shine, sandblasting, etching, plating and coating method.Pass through sandblasting on coarse bottom surface
The mode of (or radium-shine, or etching, or plating, or coating) forms the first rough surface.Heated substrate, after pressure roller rolling heating
Layer to be rolled to rolling surface, after roll forming, utilize UV irradiation rolling after being hardened to rolling surface.Wherein, salient point
Density Distribution in coarse bottom surface is arranged with actual needs.Salient point is preferably shaped to nearly spheroidal.
Further, referring to fig. 4, the present embodiment also provides what a kind of blast film manufacturing method using the present embodiment obtained
Brightness enhancement film, the brightness enhancement film include: substrate 41, and substrate has a pair of opposite surface, respectively entering light face 411 and light-emitting surface 412,
Entering light face 411 includes one layer of coarse bottom surface 4111, and the first rough surface of at least one layer 4112 formed on the coarse bottom surface.
Further, the number of plies of the first rough surface is one layer.
The present embodiment also provides a kind of backlight module, including by such as the blast film manufacturing method manufacture in above-described embodiment
Obtained brightness enhancement film, the brightness enhancement film have a pair of opposite surface, respectively entering light face and light-emitting surface, and entering light face includes one layer thick
Rough bottom surface, and the first rough surface of at least one layer formed on the coarse bottom surface.
The present embodiment also provides a kind of flat-panel monitor, comprising: backlight module as above.
The present embodiment also provides a kind of electronic device, comprising: control electronics and flat-panel monitor as above, the control
Image data is oriented to the flat-panel monitor so that image is presented according to the image data by electronic component.
The brightness enhancement film provided in previous embodiment can be applied to various display backlight fields, and backlight mould can be made
Group is applied in the backlight module of the terminals such as TV, display, mobile phone, smartwatch.However, it is to be understood that this
The application backlight display field that it is not limited to the above example of the brightness enhancement film of embodiment.
, can be after pressure roller and substrate be provided using the blast film manufacturing method of the present embodiment, heated substrate utilizes pressure roller
Rolling forms at least one layer of first rough surface using roughening treatment method on coarse bottom surface to rolling surface；Alternatively, providing
After pressure roller and substrate, before pressure roller waits for rolling surface, at least one layer of the is formed using roughening treatment method on coarse bottom surface
The method of one rough surface, so that the entering light face of brightness enhancement film has multilayer rough surface structure, light passes through the multilayer rough surface structure
Entering light face, diffusion are enhanced, and the mist degree in entering light face is improved, and also reduces the production of water ripples and interference fringe phenomenon
It is raw, it is thus also avoided that adulterating particle bring backlight assembling yield in the substrate influences.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.Pass through above embodiment party
The description of formula, it is required general that those skilled in the art can be understood that above-described embodiment method can add by software
The mode of hardware platform is realized, naturally it is also possible to which by hardware, but in many cases, the former is more preferably embodiment.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of blast film manufacturing method characterized by comprising
One pressure roller is provided；
One substrate is provided, the substrate include to rolling surface and with the coarse bottom surface opposite to rolling surface；
The substrate is heated, and described to rolling surface using pressure roller rolling；Using at roughening on the coarse bottom surface
Reason method forms at least one layer of first rough surface；
Alternatively, forming at least one layer of first rough surface using roughening treatment method on the coarse bottom surface；Heat the base
Material, and it is described to rolling surface using pressure roller rolling.
2. blast film manufacturing method as described in claim 1, which is characterized in that the pressure roller has prism structure surface, institute
It states prism structure surface and is utilized coarse surface forming method and the second rough surface is made.
3. blast film manufacturing method as claimed in claim 2, which is characterized in that the prism structure surface is utilized described thick
Matte forming method is provided with multiple salient points and/or concave point, to form second rough surface.
4. blast film manufacturing method as claimed in claim 2, which is characterized in that the coarse surface forming method include: it is radium-shine,
At least one of sandblasting, etching, plating and coating method.
5. blast film manufacturing method according to any one of claims 1-4, which is characterized in that the number of plies of first rough surface
It is one layer, it is described to form at least one layer of first rough surface using roughening treatment method on the coarse bottom surface and include:
Multiple salient points and/or concave point are set using roughening treatment method in the coarse bottom surface, to form the first rough surface.
6. blast film manufacturing method as claimed in claim 5, which is characterized in that the mist degree range of the coarse bottom surface is 2%-
50%, the mist degree range of first rough surface is 10%-80%, the table of the coarse bottom surface and first rough surface composition
The mist degree range in face is 10%-60%.
7. the blast film manufacturing method as described in claim any one of 1-4, which is characterized in that the roughening treatment method packet
It includes: at least one of radium-shine, sandblasting, etching, plating, coating.
8. a kind of backlight module, which is characterized in that made including the described in any item blast film manufacturing methods of such as claim 1-7
The brightness enhancement film made.
9. a kind of flat-panel monitor, comprising: backlight module as claimed in claim 8.
10. a kind of electronic device, comprising: control electronics and flat-panel monitor as claimed in claim 9, the control electricity
Image data is oriented to the flat-panel monitor so that image is presented according to described image data by subcomponent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481017.3A CN109991693A (en) | 2017-12-29 | 2017-12-29 | Blast film manufacturing method, backlight module, flat-panel monitor and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481017.3A CN109991693A (en) | 2017-12-29 | 2017-12-29 | Blast film manufacturing method, backlight module, flat-panel monitor and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109991693A true CN109991693A (en) | 2019-07-09 |
Family
ID=67109925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711481017.3A Pending CN109991693A (en) | 2017-12-29 | 2017-12-29 | Blast film manufacturing method, backlight module, flat-panel monitor and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109991693A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111694079A (en) * | 2020-06-11 | 2020-09-22 | 凯鑫森(上海)功能性薄膜产业有限公司 | Composite bright enhancement film back coating surface structure and manufacturing method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030231265A1 (en) * | 1998-06-12 | 2003-12-18 | Enplas Corporation | Surface light source device of side light type, liquid crystal display and guide plate |
| TW200842409A (en) * | 2007-04-23 | 2008-11-01 | Sangbo Corp | Multifunctional optical multilayer film using micro patterning |
| JP2009128541A (en) * | 2007-11-21 | 2009-06-11 | Panasonic Corp | Method for manufacturing antireflection structure |
| JP2010078774A (en) * | 2008-09-25 | 2010-04-08 | Gamma Optical Co Ltd | Optical film piece and backlight module using the optical film piece |
| CN101819289A (en) * | 2010-04-14 | 2010-09-01 | 友达光电股份有限公司 | Compound optical film structure |
| CN102109710A (en) * | 2009-12-25 | 2011-06-29 | 鸿富锦精密工业（深圳）有限公司 | Method for manufacturing brightness enhancement film and rolling piece adopted by same |
| CN102121666A (en) * | 2010-12-28 | 2011-07-13 | 友达光电股份有限公司 | Diffusion sheet and backlight module |
| CN102519010A (en) * | 2011-11-16 | 2012-06-27 | 友达光电股份有限公司 | Composite optical film and backlight module using same |
| CN202948153U (en) * | 2012-12-04 | 2013-05-22 | 奇菱科技股份有限公司 | Optical film and bright enhancement film |
| CN106842383A (en) * | 2015-12-07 | 2017-06-13 | 中华映管股份有限公司 | Optical film and preparation method thereof |
-
2017
- 2017-12-29 CN CN201711481017.3A patent/CN109991693A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030231265A1 (en) * | 1998-06-12 | 2003-12-18 | Enplas Corporation | Surface light source device of side light type, liquid crystal display and guide plate |
| TW200842409A (en) * | 2007-04-23 | 2008-11-01 | Sangbo Corp | Multifunctional optical multilayer film using micro patterning |
| JP2009128541A (en) * | 2007-11-21 | 2009-06-11 | Panasonic Corp | Method for manufacturing antireflection structure |
| JP2010078774A (en) * | 2008-09-25 | 2010-04-08 | Gamma Optical Co Ltd | Optical film piece and backlight module using the optical film piece |
| CN102109710A (en) * | 2009-12-25 | 2011-06-29 | 鸿富锦精密工业（深圳）有限公司 | Method for manufacturing brightness enhancement film and rolling piece adopted by same |
| CN101819289A (en) * | 2010-04-14 | 2010-09-01 | 友达光电股份有限公司 | Compound optical film structure |
| CN102121666A (en) * | 2010-12-28 | 2011-07-13 | 友达光电股份有限公司 | Diffusion sheet and backlight module |
| CN102519010A (en) * | 2011-11-16 | 2012-06-27 | 友达光电股份有限公司 | Composite optical film and backlight module using same |
| CN202948153U (en) * | 2012-12-04 | 2013-05-22 | 奇菱科技股份有限公司 | Optical film and bright enhancement film |
| CN106842383A (en) * | 2015-12-07 | 2017-06-13 | 中华映管股份有限公司 | Optical film and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111694079A (en) * | 2020-06-11 | 2020-09-22 | 凯鑫森(上海)功能性薄膜产业有限公司 | Composite bright enhancement film back coating surface structure and manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105206763B (en) | Flexible display and its manufacture method | |
| US10629851B2 (en) | OLED thin film encapsulation structure | |
| CN107608013B (en) | Gradual change anti-glare cover plate, manufacturing method thereof and electronic equipment | |
| CN111756896B (en) | Glass shell assembly, manufacturing method thereof and electronic equipment | |
| JP2008003234A (en) | Optical sheet and method of manufacturing the same | |
| US10985346B2 (en) | OLED display device and manufacturing method thereof | |
| WO2016197698A1 (en) | Display panel, manufacturing method thereof and display device including same | |
| US11404511B2 (en) | Organic light-emitting display panel including moth-eye anti-reflection layer, and manufacturing method thereof | |
| CN210376735U (en) | OLED display module and touch display panel | |
| CN104241543A (en) | Light emitting device and manufacturing method thereof | |
| JP2013037164A5 (en) | ||
| TWI732434B (en) | Light source module of display device and manufacturing method thereof | |
| CN109991693A (en) | Blast film manufacturing method, backlight module, flat-panel monitor and electronic device | |
| CN106019434A (en) | Optical film and manufacturing method thereof and display device | |
| TWI460462B (en) | Conductive anti-reflective films | |
| WO2016038853A1 (en) | Anti-reflection member, and production method therefor | |
| KR101449633B1 (en) | High Brightness and Moire Free Mirco Lens Film and Method of Manufacturing the Mirco Lens Film and Backlight Unit Containing the Mirco Lens Film and Mirco lens Array Apparatus | |
| CN112485941B (en) | Liquid crystal display panel and preparation method thereof | |
| CN208283584U (en) | A kind of brightness enhancement film and backlight module | |
| US20230031754A1 (en) | Braille plate for elevator and manufacturing method thereof | |
| WO2019009199A1 (en) | Laminate having fine protrusions and recesses, method for manufacturing same, and camera module mounting device | |
| KR102087194B1 (en) | Display device and manufacturing method thereof | |
| CN107592379A (en) | glass back cover and preparation method thereof | |
| CN202948153U (en) | Optical film and bright enhancement film | |
| CN203705673U (en) | Brightness enhancement film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190709 |