CN103424947B - A kind of Electrophoretic display component and preparation method thereof - Google Patents
A kind of Electrophoretic display component and preparation method thereof Download PDFInfo
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- CN103424947B CN103424947B CN201210156409.3A CN201210156409A CN103424947B CN 103424947 B CN103424947 B CN 103424947B CN 201210156409 A CN201210156409 A CN 201210156409A CN 103424947 B CN103424947 B CN 103424947B
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- electrophoretic display
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Abstract
The present invention relates to a kind of Electrophoretic display components and preparation method thereof, and described method includes following steps：Make display box；Electrophoretic display material with mobility is filled into display box；Cure the Electrophoretic display material in display box.The Electrophoretic display component includes：Display box cures the Electrophoretic display material in display box, and wherein display box includes driving backboard, the frame glue being printed in driving back plate edges, the ITO conductive layer supported by edge frame.A kind of Electrophoretic display component of the present invention and preparation method thereof, simplifies processing technology, eliminates accurate coating equipment；In addition electrostatic is not generated in process, avoids breakdown driven bottom plate and other chips due to generating electrostatic；It can be produced and processed using existing LCD production lines, accelerate the industrialization of Microencapsulated Electrophoretic Display Technology；Furthermore it can effectively reduce invasion of the steam to display module.
Description
Technical field
The present invention relates to a kind of electrophoretic display technology more particularly to a kind of Electrophoretic display component and its making sides
Method.
Background technology
Microencapsulated Electrophoretic Display Technology is one kind of Electronic Paper display technology, has visual effect comfortable, low-power consumption, bendable
The features such as bent and ultra-thin.It, which has broad application prospects, can be applied to e-book, electronic price tag, smart card, and industry control is aobvious
Display screen etc..
The method that existing Electrophoretic display device generally uses film stacking makes, i.e., by Electrophoretic display
Material is layered in by film laminating technique between two layers of conductive electrode.But this film laminating technique has the following problems：
1, thin-film technique flow is complicated, needs accurate coating equipment；
2, it is made in journey in pad pasting and easy tos produce electrostatic, cause punch through driving bottom plate and chip；
3, protective film be bonded/edge sealing adhesive during, the steam in film cannot be thoroughly removed, or easy to produce steam and enter
The problem of invading film.
Therefore, how to overcome the above problem is that current industry compels the solution that is essential.
Invention content
Based on the deficiencies of the prior art, one of the technical problem to be solved in the invention is that a kind of manufacture craft is simply micro-
Encapsulated electrophoretic display module.
The two of the technical problem to be solved in the invention are to provide a kind of simple Electrophoretic display group of manufacture craft
The production method of part.
To overcome one of above-mentioned technical problem, the present invention to provide a kind of Electrophoretic display component comprising：Display
Box cures the Electrophoretic display material in display box.
As an a kind of embodiment of Electrophoretic display component of the present invention, the display box includes that driving is carried on the back
Plate, the frame glue being printed on driving backboard, the transparent conductive material layer being set in frame glue.
As an a kind of embodiment of Electrophoretic display component of the present invention, the transparent conductive material layer is
ITO conductive layer.
As an a kind of embodiment of Electrophoretic display component of the present invention, the driving backboard drives for TFT
Backboard.
To overcome the two of above-mentioned technical problem, the present invention provides a kind of production method of Electrophoretic display component,
Include the following steps：Make display box；Electrophoretic display material with mobility is filled into display box；Solidification is aobvious
Show the Electrophoretic display material in box.
Mobility and cure more preferably of course for Electrophoretic display material 20 can be allowed to have before perfusion,
Can be added in microcapsules has with mobility and cementation and curable colloid mixes.
As an a kind of embodiment of the production method of Electrophoretic display component of the present invention, the making display
Box is specially：One driving backboard is provided, frame glue is printed on driving backboard, then transparent conductive material layer is arranged in frame glue.
As an a kind of embodiment of the production method of Electrophoretic display component of the present invention, by electrically conducting transparent
Before material layer is arranged in frame glue, further comprise the metal-to-metal adhesive that printing can be conductive on driving backboard.
As an a kind of embodiment of the production method of Electrophoretic display component of the present invention, the driving backboard
Backboard is driven for TFT.
As an a kind of embodiment of the production method of Electrophoretic display component of the present invention, the electrically conducting transparent
Material layer is ITO conductive layer.
It is described that there is flowing as an a kind of embodiment of the production method of Electrophoretic display component of the present invention
The Electrophoretic display material of property is filled into especially by the method for capillary in the display box.
As an a kind of embodiment of the production method of Electrophoretic display component of the present invention, the solidification display
Electrophoretic display material in box cures Electrophoretic display material specifically by heating or UV illumination.
To overcome the two of above-mentioned technical problem, the present invention also provides a kind of production method of Electrophoretic display component,
It includes the following steps：Electrophoretic display material is coated to the front of driving backboard；In the front of the driving backboard
Print frame glue；Transparent conductive material layer is set in the frame glue；Cure the Electrophoretic display material.
As an a kind of embodiment of the production method of Electrophoretic display component of the present invention, the microcapsules electricity
Display material swim especially by silk-screen or spray coating to the front for driving backboard.
As an a kind of embodiment of the production method of Electrophoretic display component of the present invention, the microcapsules electricity
Swimming display material is cured especially by heating or UV illumination.
As an a kind of embodiment of the production method of Electrophoretic display component of the present invention, the electrically conducting transparent
Material layer is ITO conductive layer.
As an a kind of embodiment of the production method of Electrophoretic display component of the present invention, the driving backboard
Backboard is driven for TFT.
As an a kind of embodiment of the production method of Electrophoretic display component of the present invention, by electrically conducting transparent
Before material layer is arranged in frame glue, further comprise the metal-to-metal adhesive that printing can be conductive on driving backboard.
Compared with prior art, a kind of Electrophoretic display component of the present invention and preparation method thereof is aobvious using first making
Show box, then Electrophoretic display material of the perfusion with mobility into display box, then cures Electrophoretic display material
Material.It can be overlapped in this way by complicated lamination to avoid by all kinds of films, and eliminate accurate coating equipment, in addition added
Electrostatic is not generated during work, furthermore resolidification encapsulated electro-phoretic is aobvious after Electrophoretic display material of the perfusion with mobility
Show that the technique of material can effectively reduce steam invasion.Therefore Electrophoretic display component provided by the invention is due to using box
The structure of minor has the advantages that steam is invaded small, and processing technology is simple, the low advantageous effect of production cost.
The invention will now be described in detail with reference to the accompanying drawings, as part of this specification, illustrates this by embodiment
The principle of invention, other aspects of the present invention, feature and its advantage will be become apparent by the detailed description.
Description of the drawings
Fig. 1 is the structural schematic diagram in a kind of Electrophoretic display component one embodiment of the present invention；
Fig. 2 is a kind of flow chart of production method of Electrophoretic display component of the present invention in one embodiment.
Fig. 3 is a kind of flow chart of production method of Electrophoretic display component of the present invention in another embodiment.
Specific implementation mode
The embodiment that present invention will be described in detail with reference to the accompanying.
Fig. 1 is the structural schematic diagram in a kind of Electrophoretic display component one embodiment of the present invention.Microcapsules electricity
Swimming display module include：Display box cures the Electrophoretic display material 20 in display box.
The display box includes driving backboard 10, and the frame glue 30 being printed on driving backboard 10 is set in frame glue 30
Transparent conductive material layer 40.The driving backboard 10, frame glue 30, transparent conductive material layer 40 constitute a hollow box, will
Cured Electrophoretic display material 20 is filled in box.
The transparent conductive material layer 40 is specially ITO conductive layer.In chemistry, ITO is nano indium tin metal oxide,
It is the abbreviation of Indium Tin Oxides.With good electric conductivity and the transparency, harmful electronics spoke can be cut off
It penetrates, ultraviolet light and far infrared.Therefore, indium tin oxide is usually sprayed in glass, plastics and electronic display, is used as transparent
Conductive film, while reducing harmful electron radiation and ultraviolet, infrared.ITO is a kind of N-type oxide semiconductor-
Tin indium oxide, ito thin film, that is, indium tin oxide transparent conductive semiconductor film, usually there are two performance indicators：Resistivity and light transmission
Rate.It is chiefly used in touch panel, touch screen, cold light film etc..
The frame glue 30 can be disposed on the edge of driving backboard 10, played support and bonded transparent conductive material layer
40 effect.It certainly in other embodiments, can be only in the case of in addition setting supporter supports transparent conductive material layer 40
Play cementation.The frame glue 30 is that there is the epoxy material, acrylic, acrylic material of water vapor seal to be made,
It is required that under 40 degrees Celsius, 90% humidity environment, water vapor transmittance is less than 5g/ days/square metres.
The driving backboard 10 is specially that TFT drives backboard, that is, has the driving backboard of fixed conductive pattern.TFT is thin
Film field-effect transistor（Thin Film Transistor), refer to each picture element on display all it is by integrating behind
Thin film transistor (TFT) drive, so as to accomplishing high speed, high brightness, high contrast display screen information.
The shape of the display box is not limited to rectangle, can also be circle etc., and concrete shape can determine as needed.
It is additionally provided with one layer of reinforcement being made of electrically non-conductive material in the frame glue of certain display box described in other embodiments
Muscle, the intensity for reinforcing display box side wall.Concrete technology can be that one layer of reinforcing rib is surrounded in side wall, that is, frame glue of display box,
Frame glue is poured again fixes reinforcing rib.
Fig. 2 is a kind of flow chart of production method of Electrophoretic display component of the present invention in one embodiment.It should
Method includes the following steps：01, display box is made；02, the Electrophoretic display material with mobility is filled into display
In box；Electrophoretic display material in 03 solidification display box.
The making display box specifically includes following steps：
S01, a driving backboard is provided, the driving backboard can be that TFT drives backboard, that is, have fixed conductive pattern
Drive backboard.TFT is thin film field effect transistor（Thin Film Transistor), refer to each picture element on display
All it is to be driven by thin film transistor (TFT) integrated behind, so as to accomplish that high speed, high brightness, high contrast show screen
Information.
S02, frame glue is printed on driving backboard, i.e., the glue printed on driving backboard constitutes a frame-shaped or other closings
Profile shape, shape can be determined according to the outer profile of display module, can also be determined by the shape of transparent conductive material layer
It is fixed, as long as it is box-like that driving backboard, transparent conductive material layer can be made to be constituted under the cooperation of frame glue.
S03, transparent conductive material layer is arranged in frame glue, transparent conductive material layer structure together with frame glue, driving backboard
At display box.The shape of the display box is not limited to rectangle, can also be circle etc., and concrete shape can determine as needed.
The transparent conductive material layer is specially ITO conductive layer.
The Electrophoretic display material with mobility can specifically be filled into the display box by capillary
In.The capillary through capillary action injects the Electrophoretic display material with mobility in the display box.
Electrophoretic display material in the solidification display box is electric by microcapsules specifically by heating or UV illumination
Swimming display material is cured.UV light source solidification systems may be used in the novel UV light sources, pass through turning for electricity → light energy
The high-purity 365nm monochromatic ultraviolet light for making LED high-power ultraviolet diode chip for backlight unit generate is changed, energy height concentrates on ultraviolet
The required wavelength period of adhesive curing.It can certainly be cured using other methods.
The frame glue can be disposed on the edge of driving backboard, played support and bonded the work of transparent conductive material layer
With.Certainly in other embodiments, in the case of in addition setting supporter supports transparent conductive material layer, bonding can only be played
Effect.The frame glue is that there is the epoxy material, acrylic, acrylic material of water vapor seal to be made, it is desirable that is taken the photograph 40
Under family name's degree, 90% humidity environment, water vapor transmittance is less than 5g/ days/square metres.
Certainly in other embodiments, after printing frame glue, one can also be arranged around frame glue on driving backboard in step S02
The reinforcing rib that layer electrically non-conductive material is constituted, then the brush coating on reinforcing rib then will frame glue be transparent leads for setting on box side wall again
Material layer constitutes display box.Can certainly one layer of reinforcing rib be set around side wall, that is, frame glue of display box after S03,
Brush coating is fixed on reinforcing rib again, to reinforce the intensity of display box side wall.
Certainly in other embodiments, the Electrophoretic display material with mobility is filled into display in step 02
After in box, or after step 03 cures the Electrophoretic display material in display box, in side wall, that is, frame glue of the display box
Surrounding fills one layer of glue, preferably to reinforce frame glue, reinforces the intensity of display box side wall.
Certainly in other embodiments, in step S02, conductive energy can also be printed on driving backboard
Metal-to-metal adhesive, such as elargol, can be used as connection public electrode or other needs conductive position.
The production method of this Electrophoretic display component, which utilizes, first makes display box, then perfusion has stream into display box
The Electrophoretic display material of dynamic property, then cures Electrophoretic display material.It can lead in this way to avoid by all kinds of films
Complicated lamination overlapping is crossed, simplifies processing technology, and eliminate accurate coating equipment；In addition it is not produced in process
Raw electrostatic avoids breakdown driven bottom plate and other chips due to generating electrostatic；Furthermore the encapsulated electro-phoretic with mobility is perfused
The technique of resolidification Electrophoretic display material can effectively reduce steam invasion after display material.
Fig. 3 is a kind of flow chart of production method of Electrophoretic display component of the present invention in another embodiment.
The production method of Electrophoretic display component in the present embodiment includes the following steps：
S1, a driving backboard is provided, which can be that TFT drives backboard, that is, have the drive of fixed conductive pattern
Dynamic backboard.Electrophoretic display material is coated to the front of driving backboard.Specifically, the Electrophoretic display material
It can be by passing through silk-screen or spray coating to the front of driving backboard.
S2, the front printing frame glue in the driving backboard, i.e., on driving backboard the glue that prints constitute a frame-shaped or
Other closed outline shapes, shape can determine according to the outer profile of display module, can also be by transparent conductive material layer
Shape determines, as long as it is box-like that driving backboard, transparent conductive material layer can be made to be constituted under the cooperation of frame glue.
The frame glue can be printed on the edge of driving backboard, play support and bond the work of transparent conductive material layer
With.Certainly in other embodiments, in the case of in addition setting supporter supports transparent conductive material layer, bonding can only be played
Effect.The frame glue is that there is the epoxy material, acrylic, acrylic material of water vapor seal to be made, it is desirable that is taken the photograph 40
Under family name's degree, 90% humidity environment, water vapor transmittance is less than 5g/ days/square metres.
S3, transparent conductive material layer is set in the frame glue；Transparent conductive material layer is together with frame glue, driving backboard
Constitute display box.The shape of the display box is not limited to rectangle, can also be circle etc., and concrete shape can come true as needed
It is fixed.The transparent conductive material layer is specially ITO conductive layer.
S4, the solidification Electrophoretic display material.Specifically, the Electrophoretic display material can be by adding
Heat or UV illumination are cured.Of course for can allow Electrophoretic display material 20 before coating have mobility and
Cure more preferably, can be added in microcapsules has with mobility and cementation and curable colloid mixes.
In other embodiments, it before being arranged transparent conductive material layer in frame glue, can further include
Drive the metal-to-metal adhesive that printing can be conductive on backboard.
In other embodiments, can also reinforcing rib be set further around display box side wall.For example, driving in step s 2
On dynamic backboard after printing frame glue, can also the reinforcing rib that one layer of electrically non-conductive material is constituted be set around frame glue, then brushed on reinforcing rib
Then glue will be arranged frame glue transparent conductive material layer again on box side wall and constitute display box.It can certainly be after S3, aobvious
Show one layer of reinforcing rib of setting around the side wall i.e. frame glue of box, then brush coating is fixed on reinforcing rib, to reinforce the strong of display box side wall
Degree.
Above disclosed is only presently preferred embodiments of the present invention, cannot limit the right of the present invention with this certainly
Range, therefore according to equivalent variations made by scope of the present invention patent, be still within the scope of the present invention.
Claims (10)
1. a kind of Electrophoretic display component, it is characterised in that it includes：Display box cures the microcapsules electricity in display box
Swimming display material, the display box include driving backboard, and the frame glue and metal-to-metal adhesive being printed on driving backboard are set in frame glue
Transparent conductive material layer, the driving backboard, frame glue, transparent conductive material layer constitute hollow box.
2. a kind of Electrophoretic display component as described in claim 1, it is characterised in that the transparent conductive material layer is ITO
Conductive layer.
3. a kind of Electrophoretic display component as described in claim 1, it is characterised in that：The driving backboard drives for TFT
Backboard.
4. a kind of Electrophoretic display component as described in claim 1, it is characterised in that：The frame glue be by epoxy material,
The frame glue that acrylic or acrylic material are made.
5. a kind of production method of Electrophoretic display component, it is characterised in that it includes the following steps：
Display box is made, the making display box is specially：One driving backboard is provided, what printing can be conductive on driving backboard
Metal-to-metal adhesive, then frame glue is printed on driving backboard, then transparent conductive material layer is arranged in frame glue, the driving backboard, frame
Glue, transparent conductive material layer constitute hollow box；
Electrophoretic display material with mobility is filled into display box；
Cure the Electrophoretic display material in display box.
6. the production method of Electrophoretic display component as described in any one in claim 5, it is characterised in that：The driving
Backboard is that TFT drives backboard.
7. the production method of Electrophoretic display component as described in any one in claim 5, it is characterised in that：It is described transparent
Conductive material layer is ITO conductive layer.
8. the production method of Electrophoretic display component as claimed in claim 5, it is characterised in that：The frame glue is by epoxy
The frame glue that material, acrylic or acrylic material are made.
9. the production method of Electrophoretic display component as claimed in claim 5, it is characterised in that：It is described with mobility
Electrophoretic display material is filled into especially by capillary in the display box.
10. the production method of Electrophoretic display component as claimed in claim 5, it is characterised in that：The solidification display box
In Electrophoretic display material specifically by heating or UV illumination Electrophoretic display material is cured.
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| CN104345933B (en) * | 2013-07-30 | 2017-10-27 | 南昌欧菲光科技有限公司 | Touch-screen cabling and preparation method thereof |
| CN106054488B (en) * | 2016-07-21 | 2019-05-17 | 中山大学 | Color electrophoresis shows the preparation method of membrane material and engraves hole mask plate in application wherein |
| CN107357109B (en) * | 2017-08-21 | 2019-03-08 | 无锡威峰科技股份有限公司 | A kind of electric ink display screen and manufacturing method |
| CN107967033B (en) * | 2017-12-25 | 2021-04-23 | 深圳市金豪鹏程科技有限公司 | Anti-fatigue display |
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| CN1904709A (en) * | 2005-07-29 | 2007-01-31 | 精工爱普生株式会社 | Electrophoretic display sheet, electrophoretic display apparatus, and method of manufacturing electrophoretic display sheet |
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| US6831770B2 (en) * | 2000-03-03 | 2004-12-14 | Sipix Imaging, Inc. | Electrophoretic display and novel process for its manufacture |
| CN101154009A (en) * | 2006-09-29 | 2008-04-02 | 启萌科技有限公司 | Electronic paper device |
| CN101382718B (en) * | 2007-09-04 | 2012-07-04 | 比亚迪股份有限公司 | Electronic paper display with touching function |
| CN102385213B (en) * | 2010-09-06 | 2016-01-20 | 广州奥熠电子科技有限公司 | A kind of electrophoretic display apparatus and preparation method thereof |
| CN102707533A (en) * | 2011-05-27 | 2012-10-03 | 京东方科技集团股份有限公司 | Method for producing electrophoretic display device and film forming die |
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| CN1485669A (en) * | 2002-08-22 | 2004-03-31 | ������������ʽ���� | Photographic and video image system |
| CN1904709A (en) * | 2005-07-29 | 2007-01-31 | 精工爱普生株式会社 | Electrophoretic display sheet, electrophoretic display apparatus, and method of manufacturing electrophoretic display sheet |
| CN102809863A (en) * | 2011-05-31 | 2012-12-05 | 广州奥熠电子科技有限公司 | Microcapsule array electrophoretic display component and preparation method thereof |
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