CN208156383U - A kind of high-resolution display plasma-based mould group - Google Patents

Abstract

The utility model belongs to electronic display technology field, it is related to a kind of high-resolution display plasma-based mould group, including pixel electrode and transparent electrode, display plasma-based and the liner frame positioned at display plasma-based surrounding are equipped between pixel electrode and transparent electrode, pixel electrode is equipped with plasma-based and hinders from weir array, plasma-based is hindered, and to include several from weir array hinder in the plasma-based of array distribution from weir, pixel electrode includes that several are in the pixel electrode unit of array distribution, plasma-based, which is hindered, to be located on the gap of pixel electrode unit from weir, and each plasma-based hinders and includes a pixel electrode unit from weir；The display plasma-based mould group of the utility model substitutes existing micro-cup structure or microcapsules using display plasma-based, and setting is hindered positioned at the plasma-based of pixel electrode cell gap from weir array on the pixel electrode, the plasma-based of the pattern structure, which is hindered, is surrounded each pixel electrode unit from weir array, to obtain high-resolution display effect, and broken colour may be implemented, the display effect of more grayscale.

Description

A kind of high-resolution display plasma-based mould group

Technical field

The utility model relates to a kind of display plasma-based mould group, especially a kind of high-resolution display plasma-based mould group belongs to Electronic display technology field.

Background technique

There is a phenomenon where swimmings under electric field action using the colloidal solid of electrification for electrophoresis showed, pass through electric field driven difference The electrophoresis particle of photoelectric properties realizes the display of image and text, compared with known display technology, electrophoresis showed have as Lower feature：Flexible pliable, light-weight, thickness is thin, and contrast is high, and low energy consumption, and visible angle is big, readable under sunlight, has figure As bistable state, it is easy the features such as large area produces.

Electrophoretic display technology is initially suggested in 1970s.It discloses and includes at least in patent US3892568 A kind of preparation process of the electrophoretic display materials of electrophoresis particle.It is disclosed in patent JP1086116 and at least contains a kind of electrophoresis Particle, and electrophoresis liquid is by the electrophoretic display system of microcapsule coated.It discloses in US6930818 and is coated using micro-cup structure The Electronphoretic display unit of electrophoresis liquid.In patent US5930026, US5961804, US6017584 and US6120588, disclose The Electronphoretic display unit of microcapsule coated, wherein display plasma-based includes the electrophoresis grain of two or more different photoelectric properties Son.Prior art before making a general survey of, micro-cup and microcapsule-type electric ink display screen are all based on small cavity structure, i.e., micro- Cup and microcapsules.The effect of both micro-structures is to disperse cladding display plasma-based.

Although the display screen of two kinds of structures is all applied in actual product, two kinds of structures are had as a drawback that：

1）Microcapsules and micro-cup itself do not have display function, and composition material is mostly transparent, the material of covering power difference, and And dosage is larger in entire electrophoresis showed system, and the covering power of entire display screen is caused to reduce, contrast decline, under resolution ratio Drop and service life reduce；

2）The presence of microcapsules and micro-cup structure undoubtedly thickeies the thickness of entire electrophoretic display materials layer, so that display screen pair Decline than degree and resolution ratio, response speed is slow, and driving voltage is high, refreshes slowly, power consumption is big, and operating temperature range is narrow；

3）Microcapsules and micro-cup structure preparation process are excessively complicated, cause difficulty and waste on manufacturing, cause good Rate decline, waste of material, manufacturing cost are high.

Summary of the invention

The purpose of this utility model is to provide a kind of high-resolution display plasma-based aiming at the problem that current electronic display Mould group and its manufacturing method directly can substitute existing micro-cup structure or microcapsules using display plasma-based, and in pixel electrode The plasma-based that upper setting is located at pixel electrode cell gap is hindered from weir array, and the plasma-based of the pattern structure is hindered will be each from weir array Pixel electrode unit is surrounded, to obtain high-resolution display effect, the display plasma-based mould group of the utility model can be with Realize high-resolution, broken colour, the display effect of more grayscale.

For the above technical purpose of realization, the technical solution of the utility model is：A kind of high-resolution display plasma-based mould group, Transparent electrode including pixel electrode and above pixel electrode, which is characterized in that between the pixel electrode and transparent electrode Equipped with display plasma-based and positioned at the liner frame of the display plasma-based surrounding, the pixel electrode be equipped with for evenly dispersed and The plasma-based of firm display plasma-based is hindered from weir array, the plasma-based hinder from weir array include several in the plasma-based of array distribution hinder from Weir, the pixel electrode include that several are in the pixel electrode unit of array distribution, and the plasma-based, which is hindered, is located at pixel electrode from weir On the gap of unit, and each plasma-based hinders and includes a pixel electrode unit from weir.

Further, the plasma-based hinders the gap width that the width from weir is equal to pixel electrode unit, and plasma-based is hindered from weir Width be no more than 30 microns, highly be no more than 60 microns.

Further, it is acrylic resin, polyurethane tree that the plasma-based, which hinders the material hindered from the plasma-based in the array of weir from weir, Rouge, epoxy resin, organic siliconresin or glass.

Further, the pixel electrode is embedded on TFT glass substrate, and passes through screening between pixel electrode and display plasma-based Light insulating cement water layer sticks.

Further, conduction is equipped between display plasma-based and the transparent electrode, between liner frame and the transparent electrode Layer, the liner frame and conductive interlayer, the display plasma-based edge and conductive interlayer are equipped with viewing area protective layer.

Further, the viscosity of electrophoresis liquid is the thickness of the display plasma-based between 2-70 microns, and in display plasma-based 100-100000 centipoise, the electrophoresis particle shown comprising at least two different photoelectric properties in plasma-based.

Further, support microballoon, the material packet of the support microballoon can be added in the liner frame and display plasma-based Resin microsphere, glass microsphere are included, and supporting the diameter of microballoon is 2-60 microns.

In order to further realize the above technical purpose, the utility model also proposes a kind of high-resolution display plasma-based mould group Manufacturing method, characterized in that include the following steps：

Step 1 plasma-based well prepared in advance on the pixel electrode is hindered from weir array；

Pixel electrode is embedded in TFT glass substrate by step 2, and TFT glass substrate is placed on dispensing platform；

Step 3 puts sealant on the pixel electrode, forms liner frame；

Step 4 silk-screen in liner frame shows plasma-based；

Step 5 coats conductive silver paste in liner frame；

Conductive layer, transparent electrode and viewing area protective layer are pressed together on entire liner frame by step 6, and are consolidated Change；

Step 7 cuts away partially transparent electrode, conductive layer and viewing area protective layer, exposes and integrates electricity on pixel electrode The predetermined position of road module I C binding；

Step 8 integrated circuit modules IC and flexible circuit board pass through the edge that conductive adhesive tape is adhered to pixel electrode；

Step 9 will be electric in pixel by blue glue sealing around integrated circuit modules IC, flexible circuit board and conductive adhesive tape On extremely, the manufacture of electric ink display screen is completed.

Further, in the step 1, the pixel electrode surface can coat shading insulating cement water layer in advance, in institute Support microballoon can have been coated in advance by stating on insulating cement water layer.

Further, in the step 1, the plasma-based, which is hindered, to be coated in from weir array by printing, coating or dispensing mode Pixel electrode surface, then physical growth, chemically grown mode perhaps moisture-curable or are passed through by photocuring, heat cure It realizes.

Compared with conventional electronic ink display screen, the utility model is had the following advantages that：

1）Compared to traditional micro-structure electrophoretic display panel, since traditional microcapsules or micro-cup are not involved in display, meeting Display effect is influenced, the utility model eliminates microcapsules or micro-cup, display effect is more preferable, and contrast mentions using display plasma-based It is high by 10% or more；

2）The display plasma-based of the utility model can reduce the thickness of entire electrophoretic display layer, and the response time drops to 80 milliseconds Hereinafter, driving voltage is reduced between positive and negative 1.5-8V, operating temperature range is widened as -30-70 degree, while reducing and being fabricated to This；

3）The patterned plasma-based that the utility model is arranged between the gap of pixel electrode unit is hindered from weir array, can be effective Evenly dispersed and firm display plasma-based, and improve display effect；

4）On single pixel electrode unit periphery, formation plasma-based hinders the pattern structure that a kind of cofferdam is produced from weir, electricity Slurry resistance is covered in the spacing of pixel electrode unit from weir, and each pixel electrode unit is hindered by plasma-based to be surrounded from weir, compared to Traditional micro-structure electrophoretic display panel, white and black displays resolution ratio can achieve 600dpi or more, and full-color display resolution can be real Existing 200dpi or more, while may be implemented 4,8,16,32,64, the even display of more high gray；

5）Pixel electrode unit is controlled by Source route and gate route, and plasma-based, which is hindered, effectively prevents phase from weir structure Short circuit between adjacent pixel electrode unit, while preventing and generating harassing for electric field between pixel electrode unit, it also prevents aobvious Show that plasma-based particle is assembled on source route and gate route, has ensured the direction of electric field between pixel electrode and transparent electrode Property and verticality；

6）The viewing area protective layer of the utility model protects the display plasma-based of viewing area, plays shading and insulation Effect；

7）The light shield layer insulating cement water layer of the utility model is for protecting pixel electrode not by optical illumination, isolation display electricity Slurry and pixel electrode prevent display plasma-based damage pixel electrode；

8）The utility model technique can produce the display plasma-based mould group of 100 cun or more large scales.

Detailed description of the invention

Fig. 1 is the side structure schematic view of the utility model.

Fig. 2 is the schematic cross-sectional view of part A in Fig. 1.

Description of symbols：1-transparent electrode；2-conductive layers；3-display plasma-baseds；4-support microballoons；5-shadings are exhausted Edge glue layer；6-liner frames；7-TFT glass substrates；8-viewing area protective layers；9-blue glue；10-conductive silver pastes；11— Integrated circuit modules IC；12-flexible circuit boards；13-pixel electrodes；14-plasma-baseds are hindered from weir array and 15-pixel electrode lists The gap of member.

Specific embodiment

Below with reference to specific drawings and examples, the utility model is described in further detail.

The utility model embodiment not limited to the following, each figure of institute's reference is to be able to pair in the following description The content of the utility model is understood and is arranged that is, the utility model is not limited to the electric ink display screen that each figure is illustrated Structure.

As shown in Figure 1 and Figure 2, embodiment is by taking the sub- electric ink display screen of double grains as an example, a kind of high-resolution display Plasma-based mould group, the transparent electrode 1 including pixel electrode 13 and above pixel electrode 13, which is characterized in that the pixel electricity Display plasma-based 3 and the liner frame 6 positioned at display 3 surrounding of plasma-based, the pixel electrode are equipped between pole 13 and transparent electrode 1 13 hinder equipped with the plasma-based for evenly dispersed and firm display plasma-based 3 from weir array 14, and the plasma-based is hindered from the packet of weir array 14 It includes several to hinder in the plasma-based of array distribution from weir, the pixel electrode 13 includes that several are in the pixel electrode list of array distribution Member, the plasma-based, which is hindered, to be located on the gap 15 of pixel electrode unit from weir, and each plasma-based hinders and includes a pixel from weir Electrode unit, the plasma-based hinder 15 width of gap that the width from weir is equal to pixel electrode unit, are equivalent in pixel electrode 13 Surface manufactures a kind of pattern structure in cofferdam, which is hindered each pixel electrode unit by plasma-based wraps from weir It encloses, to obtain high-resolution display effect；The plasma-based hinders the width from weir and is no more than 30 microns, preferable width 5-15 Micron between, highly be no more than 60 microns, preferably height be no more than 10 microns, plasma-based hinder the material from weir be acrylic resin, Polyurethane resin, epoxy resin, organic siliconresin or glass, preferably allyl resin and polyurethane resin and glass；Plasma-based hinder from There are gap between weir and transparent electrode 1, show that plasma-based 3 transparent electrode 1 can be completely covered by the gap, to reach Absolutely screen hiding rare, completely eliminate materials such as wall material in micro-cup and microcapsule structure to display effect not Good influence.

For the thickness of the display plasma-based 3 between 2-70 microns, preferred thickness shows plasma-based 3 between 8-20 microns The viscosity of middle electrophoresis liquid is 100-100000 centipoise, and preferred viscosities are selected in 1000-10000 centipoise, and the display plasma-based 3 includes There are several white particles and several black particles, white particles and black particles are different due to applying electric field, integrated in IC Under the driving of circuit module 11, the pixel electrode 13 may include segment encode, dot matrix etc., and electrophoresis particle can be hindered by plasma-based It is mobile from the gap between weir and transparent electrode 1, display screen can be made to realize display black and white, improve display screen contrast and display Effect；Plasma-based is hindered protects display plasma-based 3 arbitrarily not mobile in the horizontal plane from weir, ensure that the stability of display plasma-based 3, pixel The substrate of electrode 13 can be glass, plastics etc., and plastic basis material includes PI, PEN, PET etc.；The liner frame 6 and display electricity Support microballoon 4 can be added in slurry 3, the material of the support microballoon 4 includes resin microsphere, glass microsphere, is answered according to display module Depending on situation, the support microballoon 4 is to be coated on the shading insulating cement water layer 5 on 13 surface of pixel electrode in advance, material Material includes resin microsphere, glass microsphere, and supporting the diameter of microballoon 4 is 2-60 microns, and preferably size is at 5-30 microns.

The pixel electrode 13 is embedded on TFT glass substrate 7, and passes through shading between pixel electrode 13 and display plasma-based 3 Insulating cement water layer 5 sticks, and between the display plasma-based 3 and transparent electrode 1, is equipped with and leads between the liner frame 6 and transparent electrode 1 Electric layer 2, the conductive layer 2 can be ITO, and silver nanowires, graphene, carbon nanotube etc., the substrate of transparent electrode 1 includes glass Glass, plastics, and the glass with protective layer or plastics etc., the plastic basis material include PI, PEN, PET etc., protective layer be with Substrate surface is deposited in vapor deposition mode, and protective layer has the function of waterproof and UV resistance；Between the liner frame 6 and conductive layer 2, Viewing area protective layer 8 is equipped between 3 edge of display plasma-based and conductive layer 2, the material of the viewing area protective layer 8 includes poly- Urethane, acrylic resin, epoxy resin or natural polymer, 6 side of liner frame are equipped with 11 He of integrated circuit modules IC Flexible circuit board 12, the integrated circuit modules IC 11 and flexible circuit board 12 are adhered to pixel electrode by conductive adhesive tape On 13, by blue 9 sealing of glue in pixel electrode around the integrated circuit modules IC 11, flexible circuit board 12 and conductive adhesive tape On 13.

The material of the shading insulating cement water layer 5 includes polyurethane, acrylic resin, epoxy resin, natural polymer etc., The glue can be water type, solvent type, heat molten type, light-cured type etc., mid-water type, preferably light-cured type, for protecting picture Plain electrode 13 is not irradiated by, influences the performance and used life of display screen, while display plasma-based 3 and pixel electrode has been isolated 13, prevent display plasma-based 3 from damaging pixel electrode 13.

The high-resolution display plasma-based module making method of one of embodiment as above, characterized in that including walking as follows Suddenly：

Step 1 plasma-based well prepared in advance on the pixel electrode 13 is hindered from weir array 14；13 table of pixel electrode Face can coat good support microballoon 4 in advance, can coat shading insulating cement water layer 5 in advance before coating supports microballoon 4 or not apply Cover shading insulating cement water layer 5；

The plasma-based, which is hindered, is coated in 13 surface of pixel electrode by printing, coating or dispensing mode from weir array 14, then leads to It crosses photocuring, heat cure and perhaps moisture-curable or is realized by physical growth, chemically grown mode；

Pixel electrode 13 is embedded in TFT glass substrate 7 by step 2, and TFT glass substrate 7 is placed on dispensing platform On；

Step 3 puts sealant using dispenser on pixel electrode 13, forms liner frame 6；The sealant material Including epoxy resin, acrylic resin, polyurethane resin etc., and the curing mode of sealant can be photocuring and heat cure, Moisture-curable etc., preferably photocuring mode may include support microballoon 4 in sealant material, can not also include that support is micro- Ball 4；The width of the liner frame 6 is 2-300 microns, and preferable width is 50-200 microns, and the height of liner frame 6 is 5- 150 microns, preferably height is 15-60 microns；

Using screen printing apparatus, the silk-screen in liner frame 6 shows plasma-based 3 to step 4；The display plasma-based 3 can be with It by printing, is coated with, printing, the modes such as dispensing are filled in 1 surface of pixel electrode 13 or transparent electrode, preferred dosing method Including silk-screen printing, intaglio printing, slot die coating etc.；

Step 5 coats conductive silver paste 10 in liner frame 6；The conductive silver paste 10 can also be conductive silver pearl or Conductive gold bead；

Conductive layer 2, transparent electrode 1 and viewing area protective layer 8 are pressed together on entire liner frame 6 by step 6, are gone forward side by side Row solidification；At this point, conductive silver paste 10 and pixel electrode 13 are electrically connected, while being electrically connected by conductive layer 2 with transparent electrode 1；

Step 7 slices off partially transparent electrode 1, conductive layer 2 and viewing area protective layer 8 using glass machine-cut, exposes pixel The predetermined position that integrated circuit modules IC 11 is bound on electrode 13；

Step 8 is adhered to by conductive adhesive tape by COG technique, integrated circuit modules IC 11 and flexible circuit board 12 At the edge of pixel electrode 13；

Step 9 is using blue glue printing technology, by integrated circuit modules IC 11, flexible circuit board 12 and conductive adhesive tape week It encloses through blue 9 sealing of glue on pixel electrode 13, completes the manufacture of electric ink display screen.

Electrophoresis particle comprising at least two different photoelectric properties in the display plasma-based 3 of the utility model, photoelectric properties are not Same electrophoresis particle, the preferred color of electrophoresis particle include white, and black is red, green, blue and yellow etc., for realizing The displays such as black and white, single color, double colored, broken colours and true color, while showing and may include fluorescent material, fluorescence in plasma-based 3 Material includes inorganic fluorescent material and organic fluorescence materials, and inorganic fluorescent material includes rare-earth luminescent material, metal sulfide etc., Organic fluorescence materials include small molecule fluorescent material and high molecular fluorescent material etc..

The display plasma-based mould group of the utility model is not needed using traditional micro-structure such as microcapsules or micro-cup, directly using aobvious Show plasma-based 3, and plasma-based is set in the display plasma-based 3 between transparent electrode 1 and pixel electrode 13 and is hindered from weir array 14, manufactures one kind The pattern structure in cofferdam, so that each pixel electrode unit is surrounded by slurry resistance from weir, to obtain high-resolution display Effect, compared to traditional micro-structure electrophoretic display panel, white and black displays resolution ratio can achieve 600dpi or more, full-color display point 200dpi or more may be implemented in resolution, while may be implemented 4, and 8,16,32,64, the even display of more high gray；Plasma-based simultaneously It hinders and is covered on from weir in the spacing of pixel electrode unit, pixel electrode 13 is controlled by Source route and gate route, to have The short circuit between adjacent pixel electrodes unit is prevented to effect, while preventing and generating altering for electric field between pixel electrode unit It disturbs, also prevents display plasma-based particle to assemble on source route and gate route, ensured pixel electrode 13 and transparent electricity The directionality and verticality of electric field between pole 1；Entire production technology simplifies, and display structure is simple, and display layer thickness is uniform controllable, Display plasma-based 3 in electrophoresis liquid can move freely and hindered by plasma-based it is evenly dispersed from weir array 14 and firm so that entirely show The display effect of display screen is more preferable；The micro-structures such as traditional microcapsules and micro-cup are eliminated in the utility model modular structure, so that Production efficiency improves and Yield lmproved, while improving display performance and service life.

The utility model and embodiments thereof are described above, description is not limiting, shown in the drawings It also is one of the embodiments of the present invention, practical structures are not limited thereto.All in all if this field it is common Technical staff is enlightened by it, without deviating from the purpose of the present invention, is not inventively designed and the skill The similar frame mode of art scheme and embodiment, all should belong to the protection range of the utility model.

Claims (7)

1. a kind of high-resolution display plasma-based mould group, including pixel electrode（13）And it is located at pixel electrode（13）Top it is transparent Electrode（1）, which is characterized in that the pixel electrode（13）And transparent electrode（1）Between be equipped with display plasma-based（3）And it is located at described aobvious Show plasma-based（3）The liner frame of surrounding（6）, the pixel electrode（13）It is equipped with for evenly dispersed and firm display plasma-based （3）Plasma-based hinder from weir array（14）, the plasma-based hinders from weir array（14）Including several in array distribution plasma-baseds hinder from Weir, the pixel electrode（13）It is in the pixel electrode unit of array distribution including several, the plasma-based, which is hindered, is located at pixel from weir The gap of electrode unit（15）On, and each plasma-based hinders and includes a pixel electrode unit from weir.

2. the high-resolution display plasma-based mould group of one kind according to claim 1, it is characterised in that：The plasma-based is hindered from weir Width be equal to pixel electrode unit gap（15）Width, and plasma-based hinders the width from weir no more than 30 microns, height does not surpass Cross 60 microns.

3. the high-resolution display plasma-based mould group of one kind according to claim 1, it is characterised in that：The plasma-based is hindered from weir Array（14）In plasma-based hinder the material from weir be acrylic resin, polyurethane resin, epoxy resin, organic siliconresin or glass Glass.

4. the high-resolution display plasma-based mould group of one kind according to claim 1, it is characterised in that：The pixel electrode （13）It is embedded in TFT glass substrate（7）On, and pixel electrode（13）With display plasma-based（3）Between pass through shading insulating cement water layer（5） Stick.

5. the high-resolution display plasma-based mould group of one kind according to claim 1, it is characterised in that：The display plasma-based （3）With transparent electrode（1）Between, the liner frame（6）With transparent electrode（1）Between be equipped with conductive layer（2）, the liner frame （6）With conductive layer（2）Between, the display plasma-based（3）Edge and conductive layer（2）Between be equipped with viewing area protective layer（8）.

6. the high-resolution display plasma-based mould group of one kind according to claim 1, it is characterised in that：The display plasma-based （3）Thickness between 2-70 microns, and show plasma-based（3）The viscosity of middle electrophoresis liquid is 100-100000 centipoise, the display Plasma-based（3）In the electrophoresis particle comprising at least two different photoelectric properties.

7. the high-resolution display plasma-based mould group of one kind according to claim 1, it is characterised in that：The liner frame （6）With display plasma-based（3）In can add support microballoon（4）, the support microballoon（4）Material include that resin microsphere, glass are micro- Ball, and support microballoon（4）Diameter be 2-60 microns.