CN102033381A - Method for manufacturing electronic ink display - Google Patents
Method for manufacturing electronic ink display Download PDFInfo
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- CN102033381A CN102033381A CN2009101905679A CN200910190567A CN102033381A CN 102033381 A CN102033381 A CN 102033381A CN 2009101905679 A CN2009101905679 A CN 2009101905679A CN 200910190567 A CN200910190567 A CN 200910190567A CN 102033381 A CN102033381 A CN 102033381A
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Abstract
The invention provides a simple method for manufacturing an electronic ink display, aiming to solve the technical problem of relatively complicated manufacturing processes and flows of the electronic ink displays. The method for manufacturing the electronic ink display comprises the following steps of: (a) manufacturing a common electrode substrate and an array substrate; (b) coating border adhesive at the upper edge of the common electrode substrate and/or the array substrate, wherein the border adhesive is provided with an injection port and a ventilation port, and electronic ink can be injected into electronic ink box through the injection port; (c) connecting the common electrode substrate and the array substrate through the border adhesive and precuring to form an electronic ink box with a hollow part, wherein the hollow part is a space enclosed by the common electrode substrate, the array substrate and the border adhesive; and (d) injecting electronic ink into the electronic ink box through the injection port and then curing as well as sealing. Compared with the traditional method, the method is simpler and easier to realize industrialization and cannot cause pollutions to materials, equipment, and the like.
Description
Technical field
The invention belongs to the display device field, relate in particular to electronic ink display and make the field.
Background technology
The electronic ink display device initial development is the seventies in last century, and its characteristic is to comprise charged bead, and wherein the one side of ball is a white, and another side is a black, and when electric field changed, club rotated up and down, and presented different colours.The electronic ink display device of the second generation is to be developed the nineties in last century, and its characteristic is to replace traditional bead with microcapsules, and in capsule the oil (oil) and charged white particle (demonstration particle) of filling color.Make white particle up or move down via the control of external electric field, wherein when white particle up (near reader's direction time) then demonstrate white, when white particle down time the (away from reader's direction time) then shows fuel-displaced color.
Electronic ink display device can be made the form of paper, because Electronic Paper has the general readability of sensitive paper (high contrast ratio), extremely low consumed power, deflection, frivolous advantage such as be easy to carry about with one, therefore, electronic ink display has become as PDA, mobile phone, electronic reader, or any information that needs high visibility etc. to use under the environment of dynamic light is intensive, the solution of portable apparatus.
As shown in Figure 1, it generally can comprise electronic ink display device as the lower part: a common electrode substrate 1, electronic ink layer 2 and array basal plate 3; This common electrode substrate 1 comprises one first protective seam 10 and common electrode layer 11, and electronic ink layer 2 is clipped between common electrode substrate 1 and the array base palte 3; When applying voltage between array base palte and the common electrode substrate, the ink layer in the electronic ink layer 2 can be according to applying the voltage action; Demonstration particle in the electric ink can be moved under the effect of voltage.By regulation voltage, show moving of particle in the control electric ink, thus the figure of display requirement.
Its method for making is generally and evenly is coated with electronic ink material incessantly on the common electrode layer 10 of common electrode substrate 1, forms electronic ink layer 2, coat binding layer on electronic ink layer 2 again on common electrode substrate 1; Form the upper strata display layer, again the upper strata display layer is cut into required size, the display layer edge, upper strata after the cleaning cutting; And then the array base palte 3 that will prepare is combined as a whole the edge of display screen sealing the most at last, formation display screen with the upper strata display layer.
Utilize said method, need be cut in the process of required size at the upper strata display layer, the chemical substance that comprises therebetween as solvent, powder particle etc., can intersperse among display layer edge, upper strata.Before carrying out next step flow process, these residual chemicals need be removed from display layer edge, upper strata, otherwise will cause instrument and material contamination, and its manufacturing process is relative with flow process complicated.
Summary of the invention
The present invention is relative to flow process the complicated technology problem for solving the electronic ink display device manufacturing process, provides a kind of manufacture method simple electronic ink display method for making.
Technical solution of the present invention:
A kind of electronic ink display method for making comprises the steps:
A) make common electrode substrate and array base palte;
B) on common electrode substrate and/or array base palte last week along coating frame adhesive; Frame adhesive is provided with inlet and ventilation mouth; The described inlet ink of can powering enters;
C) common electrode substrate is connected by frame adhesive with array base palte, and carries out precuring, formation one has the electric ink box of hollow bulb; The space of described hollow bulb for surrounding by common electrode substrate, array base palte and frame adhesive;
D) in described electric ink box, inject electric ink by inlet, be cured sealing then.
The method for making of described common electrode substrate comprises: compound one first protective seam on common electrode layer.
The method for making of described array base palte comprises: make the membrane array transistor base, and form second protective seam on the membrane array transistor base.
The so-called frame adhesive that is coated with can have following situation: along coating frame adhesive, be not coated with frame adhesive on array base palte around on common electrode substrate.Or frame adhesive is coated on the edge around on array base palte, is not coated with frame adhesive on common electrode substrate.Or on array base palte, scribble the part frame adhesive, on common electrode substrate, also scribble the part frame adhesive.
Described inlet can once enter in the electric ink box for 4-15 electric ink.
Described ventilation mouth is less than an electric ink diameter.
To be silicone based resin, epikote etc. be one or more of the glue of main body to the material of described frame adhesive.
Described precuring is for making frame adhesive partial cross-linked.
The number of described inlet and ventilation mouth is a plurality of.
The invention provides a kind of method of brand-new making electronic ink display, compare classic method, this method is more simple, and more easy realization of industrialization can not pollute material and facility etc. yet.
Description of drawings
Fig. 1 is the electronic ink display structural representation;
Fig. 2 is an array base palte front-view schematic diagram in the specific embodiment of the invention;
Fig. 3 is an array base palte schematic top plan view in the specific embodiment of the invention;
Fig. 4 is a common electrode substrate front-view schematic diagram in the specific embodiment of the invention;
Fig. 5 is a common electrode substrate schematic top plan view in the specific embodiment of the invention;
Fig. 6 is that electric ink box master looks synoptic diagram in the specific embodiment of the invention;
Fig. 7 is an electric ink box schematic top plan view in the specific embodiment of the invention;
Fig. 8 is that electronic ink display is made schematic flow sheet in the specific embodiment of the invention;
The 1-common electrode substrate, 10-first protective seam, 11-common electrode layer; the 2-electronic ink layer, 20-hollow bulb, 3-array base palte; the 30-thin-film transistor array base-plate, 31-second protective seam, 4-frame adhesive; the 41-first row frame adhesive; the 42-second row frame adhesive, the 43-first row frame adhesive, 44-secondary series frame adhesive; the 5-inlet, the 6-ventilation mouth.
Embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Embodiment
Shown in Fig. 2-7, a kind of electronic ink display method for making comprises the steps:
A) make common electrode substrate 1 and array base palte 3;
B) on common electrode substrate 1 and/or 3 last weeks of array base palte along coating frame adhesive 4; Frame adhesive 4 is provided with inlet 5 and ventilation mouth 6; The described inlet 5 sub-ink of can powering enters;
C) common electrode substrate 1 is connected by frame adhesive 4 with array base palte 3, and carries out precuring, formation one has the electric ink box 100 of hollow bulb 20; The space of described hollow bulb 20 for surrounding by common electrode substrate 1, array base palte 3 and frame adhesive 4;
D) in described electric ink box 100, inject electric ink by inlet 5, be cured sealing then.
As Fig. 4, shown in Figure 5, so-called common electrode substrate 1 comprises the common electrode layer 11 and first protective seam 10, first protective seam 10 can with but be not limited to PET (polyethylene terephthalate), PI materials such as (PIs), the rete generation type can be used various prior art method, as PVD (physical vapour deposition (PVD)), MOCVD (metal oxide chemical vapor deposition), PECVD (plasma activated chemical vapour deposition) etc., the plated film rear surface is smooth to get final product; General protective layer thickness is 60～400 μ m.
Electric ink is conventionally known to one of skill in the art, such as comprising that capsule wall, transparent medium, a kind of positively charged have the particle of certain color and a kind of electronegative and the particle of contrast colors arranged.
The effect of this frame adhesive 4 is mainly and connects common electrode substrate 1 and array base palte 3, and between common electrode substrate 1 and array base palte 3, cross and have the hollow bulb 20 that is used to hold electric ink, therefore how this frame adhesive 4 specifically realizes not limiting, as long as can form the hollow bulb 20 that can hold electric ink, such as, along coating frame adhesive 4, on array base palte 3, be not coated with frame adhesive 4 around on common electrode substrate 1.Or frame adhesive 4 is coated on the edge around on array base palte 3, is not coated with frame adhesive 4 on common electrode substrate 1.Or on array base palte 3, scribble part frame adhesive 4, on common electrode substrate 1, also scribble part frame adhesive 4.
Frame adhesive 4 can realize by the mode of serigraphy in this example, and because inlet 5 and ventilation mouth 6 will be set on frame adhesive 4, therefore adopt screen printing mode also to have very much advantage, when carrying out serigraphy, set in advance certain pattern or shape, make it through having inlet 5 and ventilation mouth 6 on the frame adhesive 4 after the serigraphy.
To further pass through to describe more excellent electronic ink display method for making below, so that the reader further understands the present invention, FB(flow block) as shown in Figure 8:
S10; make common electrode substrate: preparation common electrode layer 11; these common electrode layer 11 materials are transparent conductive film; as ITO etc.; this locates the available various known method for preparing film; as PVD, PECVD, MOCVD etc., and then on this common electrode layer 11, form first protective seam 10, as Fig. 4, shown in Figure 5.
S11, make array base palte: with the tft array substrate is example, makes thin-film transistor array base-plate 30 earlier, and then be coated with one deck second protective seam 31 on this thin-film transistor array base-plate 30, so that thickness is even during later stage printing frame adhesive 4.This place with protective seam can with but be not limited to PET, PI etc., the rete generation type can be used various prior art method, as PVD, MOCVD, PECVD etc., the plated film rear surface is smooth to get final product; As Fig. 2, shown in Figure 3.
S2 is coated with frame adhesive: as Fig. 2, shown in Figure 3, form two row frame adhesive 4 through serigraphy on the thin-film transistor array base-plate 30 in the array base palte of finishing 3 in step S11, be called the first row frame adhesive 41 and the second row frame adhesive 42; During serigraphy, on this first row frame adhesive 41, offer some apertures as ventilation mouth 6, the diameter of aperture is less than the diameter of electric ink, the correspondence second row frame adhesive 42 on one side is provided with inlet 5, inlet 5 also can be for a plurality of, and the size of inlet 5 is about 4～15 electric ink diameters.Such as, if the electric ink diameter that uses is 50 μ m, then the size of bleeder vent can be 20～40 μ m, the size of inlet 5 then is 200～800 μ m.
As Fig. 4, shown in Figure 5, the common electrode layer 11 printings two row frame adhesive in the common electrode substrate of finishing in step S10 1 are called the first row frame adhesive 43 and secondary series frame adhesive 44 then.
S3 makes the electric ink box: after the S2 step, form the first row frame adhesive 41, the second row frame adhesive 42 on array base palte 3; On common electrode substrate 1, form the first row frame adhesive 43, secondary series frame adhesive 44, with two substrates to folded, utilize frame adhesive to be bonded and precuring, as Fig. 6, shown in Figure 7, the rectangle that electric ink box 100, the first row frame adhesive 41, the second row frame adhesive 42, the first row frame adhesive 43 and secondary series frame adhesive 44 shown in the formation surrounds as shown in Figure 6 forms, to realize the hollow bulb 20 of electric ink box 100 inside.The height that guarantees frame adhesive 4 after precuring is 1.1～1.5 electric ink diameters.
It is partial cross-linked that so-called precuring promptly makes frame adhesive 4 take place under certain conditions.With heat curing class frame adhesive 4 is example, its can be lower than the standard solidification temperature, less than the standard situation of set time under, make this frame adhesive partial cross-linked.
Certainly, if in the frame adhesive solidification process, the excessive height of hollow bulb can reduce the frame adhesive height by further it being pressurizeed.
Because ink is poured in the electric ink box 100, thick in order to guarantee that this box body has a uniform box, be preferably in 3 pairs of array base palte 3 and common electrode substrate folded the time, between sprays some granules to play a supportive role.Because amount is smaller, to the not influence of technology in later stage.So-called granule routine is small glass or plastic grain, and the size of this particle is according to product design, and general requirement is slightly less than the diameter of used electric ink, and is higher to the uniformity requirement of particles used particle diameter herein.With used electric ink diameter is that 50 μ m are example, and the mean particle dia that spray in this place can be 45～50 μ m.
Preferably, for guaranteeing in array base palte 3 and 1 pair of folded process of common electrode substrate, to realize good contraposition, do alignment mark " ◎ " and " " respectively in the both sides of array of designs substrate 3 and common electrode substrate 1.The center of circle and round dot coincides together figure is not deviated when " ◎ " and " " of two versions coincides together composition " ⊙ ", if two substrates is not to become box by the designing requirement contraposition, then this contraposition becomes box electric ink box 100 not meet the requirements, and can only make waste product and handle.
Guarantee effectively carrying out of post-order process, the height of this electric ink hollow bulb 20 after this step precuring (being the frame adhesive height) is more preferably greater than about 5～10 μ m of the diameter of used electric ink, 50 μ m are example with the electric ink diameter, are about 55～60 μ m after the height precuring of electric ink box 100 hollow bulbs 20.
S4, inject electric ink: carry out at mould or equipment as this step 1, such as the liquid crystal filling apparatus that can use for reference in the LCD technology, when injecting electric ink, preferred vacuumizing from 6 pairs of electric ink boxes 100 of ventilation mouth earlier is when vacuum tightness reduces to 10
-4When following, electric ink box 100 inlets 5 are immersed in the electric ink suspending liquid downwards, because capillary action and syphonic effect, electric ink is outstanding to be entered and will be full of in the electric ink box 100; For realizing closely arranging of electric ink, preferably, can pressurize forces a part of electric ink suspending liquid solvent to overflow from bleeder vent, and electron ink microcapsule closely arranges in the realization electric ink box 100.
S5, solidify sealing: electric ink box 100 hot-press solidifyings of the good electric ink of can, promptly in to frame adhesive 4 heating processes array base palte 3 and common electrode substrate 1 are evenly pressurizeed, the gap approximates the diameter of used electric ink between adjustment array base palte 3 and the electronic ink substrate.Hot-press solidifying can make electric ink box 100 have good sealing property, thermotolerance and water tolerance.With used electric ink diameter is that 50um is an example, and the hot-press solidifying back box is thick to be 48～53um.The curing rear surface is smooth, box is thick evenly, and frame adhesive is solidified good.
After the curing, with fluid sealant sealing inlet 5 and ventilation mouth 6, to realize the sealing fully of electric ink box 100.
S6, assembling: border production requirement factually, electric ink box 100 is carried out further technological operation, as pasting IC and corresponding module assembling etc.This is conventionally known to one of skill in the art, the few description.
Adopt the present invention program's method to make electronic ink display, started the method for brand-new making electric ink box, compare classic method, technological process is simple, and is pollution-free etc.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. an electronic ink display method for making is characterized in that: comprise the steps:
A) make common electrode substrate and array base palte;
B) on common electrode substrate and/or array base palte last week along coating frame adhesive; Frame adhesive is provided with inlet and ventilation mouth; The described inlet ink of can powering enters;
C) common electrode substrate is connected by frame adhesive with array base palte, and carries out precuring, formation one has the electric ink box of hollow bulb; The space of described hollow bulb for surrounding by common electrode substrate, array base palte and frame adhesive;
D) in described electric ink box, inject electric ink by inlet, be cured sealing then.
2. electronic ink display method for making as claimed in claim 1 is characterized in that: the method for making of described common electrode substrate comprises: compound one first protective seam on common electrode layer.
3. electronic ink display method for making as claimed in claim 1 is characterized in that: the method for making of described array base palte comprises: make the membrane array transistor base, and form second protective seam on the membrane array transistor base.
4. electronic ink display method for making as claimed in claim 1 is characterized in that: along coating frame adhesive, be not coated with frame adhesive on array base palte around on common electrode substrate.
5. electronic ink display method for making as claimed in claim 1 is characterized in that: along coating frame adhesive, be not coated with frame adhesive on common electrode substrate around on array base palte.
6. electronic ink display method for making as claimed in claim 1 is characterized in that: scribble the part frame adhesive on array base palte, also scribble the part frame adhesive on common electrode substrate.
7. electric ink as claimed in claim 1 shows not device method for making, it is characterized in that: described inlet can once enter in the electric ink box for 4-15 electric ink.
8. electronic ink display method for making as claimed in claim 1 is characterized in that: described ventilation mouth is less than an electric ink diameter.
9. electronic ink display method for making as claimed in claim 1 is characterized in that: be coated with the method realization of the step of frame adhesive by serigraphy in the step b).
10. electronic ink display method for making as claimed in claim 1 is characterized in that: to be silicone based resin, epikote etc. be one or more of the glue of main body to the material of described frame adhesive.
11. electronic ink display method for making as claimed in claim 1 is characterized in that: precuring described in the step c) is for making frame adhesive partial cross-linked.
12. electronic ink display method for making as claimed in claim 11 is characterized in that: the step that also is provided with pressurization described in the step c) after the precuring.
13. electronic ink display method for making as claimed in claim 1 is characterized in that: the number of described inlet and ventilation mouth is a plurality of.
14. electronic ink display method for making as claimed in claim 1 is characterized in that: in step c) in the electric ink box hollow bulb height greater than electric ink diameter 5～10 μ m.
15. electronic ink display method for making as claimed in claim 1 is characterized in that: in the step c) after precuring the height of frame adhesive be 1.1～1.5 electric ink diameters.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101905679A CN102033381A (en) | 2009-09-30 | 2009-09-30 | Method for manufacturing electronic ink display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101905679A CN102033381A (en) | 2009-09-30 | 2009-09-30 | Method for manufacturing electronic ink display |
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| CN102033381A true CN102033381A (en) | 2011-04-27 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107357109A (en) * | 2017-08-21 | 2017-11-17 | 无锡威峰科技股份有限公司 | A kind of electric ink display screen and manufacture method |
| CN109946900A (en) * | 2019-04-26 | 2019-06-28 | 苏州汉朗光电有限公司 | Electric ink display module and its manufacturing method |
| WO2019140717A1 (en) * | 2018-01-19 | 2019-07-25 | 无锡威峰科技股份有限公司 | Display plasma module and fabrication method therefor |
| CN111161648A (en) * | 2020-02-27 | 2020-05-15 | 亚世光电股份有限公司 | Full-page hot-pressing laminating and edge sealing process method for electronic ink screen |
| CN113138516A (en) * | 2021-04-20 | 2021-07-20 | 深圳市弘德胜自动化设备有限公司 | Novel electronic paper filling and sealing equipment |
| CN113608393A (en) * | 2021-07-07 | 2021-11-05 | 深圳莱宝高科技股份有限公司 | Segment code display substrate manufacturing method |
-
2009
- 2009-09-30 CN CN2009101905679A patent/CN102033381A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107357109A (en) * | 2017-08-21 | 2017-11-17 | 无锡威峰科技股份有限公司 | A kind of electric ink display screen and manufacture method |
| WO2019037139A1 (en) * | 2017-08-21 | 2019-02-28 | 无锡威峰科技股份有限公司 | Electronic ink display screen and manufacturing method |
| 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 |
| US10942414B2 (en) | 2017-08-21 | 2021-03-09 | Wuxi Vision Peak Technology Co., Ltd | Electronic ink display screen and manufacturing method thereof |
| WO2019140717A1 (en) * | 2018-01-19 | 2019-07-25 | 无锡威峰科技股份有限公司 | Display plasma module and fabrication method therefor |
| CN109946900A (en) * | 2019-04-26 | 2019-06-28 | 苏州汉朗光电有限公司 | Electric ink display module and its manufacturing method |
| CN111161648A (en) * | 2020-02-27 | 2020-05-15 | 亚世光电股份有限公司 | Full-page hot-pressing laminating and edge sealing process method for electronic ink screen |
| CN113138516A (en) * | 2021-04-20 | 2021-07-20 | 深圳市弘德胜自动化设备有限公司 | Novel electronic paper filling and sealing equipment |
| CN113608393A (en) * | 2021-07-07 | 2021-11-05 | 深圳莱宝高科技股份有限公司 | Segment code display substrate manufacturing method |
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Application publication date: 20110427 |