CN208903050U - A kind of display plasma-based mould group - Google Patents

Abstract

The utility model belongs to electronic display technology field, it is related to a kind of display plasma-based mould group, transparent electrode including pixel electrode and above pixel electrode, display plasma-based is equipped between the pixel electrode and transparent electrode, the transparent electrode includes the conductive layer being covered in the display plasma-based and the transparent electrode substrate being covered on the conductive layer, the conductive layer is the conductive layer of pattern structure, and the pattern structure is polygon reticular structure；The display plasma-based mould group of the utility model substitutes existing micro-cup structure or microcapsules using display plasma-based, and the conductive layer in transparent electrode is fabricated to polygon reticular structure, increase the resistance of transparent electrode, and then increase the voltage of transparent electrode, it can make to show that the electrophoresis particle in plasma-based is easier to be controlled, the stability for increasing electrophoresis particle in display plasma-based, so that the image finally shown is more stable.

Description

A kind of display plasma-based mould group

Technical field

The utility model relates to a kind of display plasma-based mould groups, belong 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 the drawback that

1) microcapsules and micro-cup itself do not have display function, although its composition material is mostly transparent, the material of covering power difference Material, but dosage is larger in entire electrophoresis showed system, will affect the display effect of entire display screen, and contrast decline is differentiated Rate decline and service life reduce；

2) 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 display plasma-based mould group and its system aiming at the problem that current electronic display Make method, directly can substitute existing micro-cup structure or microcapsules using display plasma-based, and by the structure fabrication of conductive layer at Polygon reticular structure, increases the resistance of transparent electrode, and then increases the voltage of transparent electrode, can make to show in plasma-based Electrophoresis particle be easier controlled, increase display plasma-based in electrophoresis particle stability so that the image finally shown is more Add stabilization.

To realize the above technical purpose, the technical solution of the utility model is: a kind of display plasma-based mould group, including pixel electricity Pole and the transparent electrode above pixel electrode, which is characterized in that display electricity is equipped between the pixel electrode and transparent electrode Slurry, the transparent electrode include the conductive layer being covered in the display plasma-based and the transparent electrode being covered on the conductive layer Substrate, the conductive layer are the conductive layer of pattern structure, and the pattern structure is polygon reticular structure.

Further, the sheet resistance of the conductive layer of the pattern structure is between 10-1000000 ohm/sq, and patterns Structure can be coated with, photoetching by printing, and the modes such as vapor deposition are realized；The conductive layer is ITO, silver nanowires, graphene or carbon Nanotube, the transparent electrode substrate are glass, plastics, the glass with protective layer or the plastics with protective layer, the modeling Material includes PI, PEN, PET.

Further, the pixel electrode includes segment encode and dot matrix, and the material of the pixel electrode is glass or plastics, The plastics include PI, PEN or PET.

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, the display plasma-based surrounding is provided with liner frame, the liner frame and conductive interlayer, described aobvious Show that plasma-based edge and conductive interlayer are equipped with viewing area protective layer.

It further, further include IC integrated circuit modules and flexible circuit board, the IC integrated circuit modules and flexible electrical Road plate is located at the side of liner frame, and is adhered on the pixel electrode by conductive adhesive tape ACF, the IC integrated circuit die Pass through blue glue sealing around block, flexible circuit board and conductive adhesive tape ACF on the pixel electrode.

Further, comprising the different electrophoresis particle of at least two photoelectric properties in the display plasma-based, and not comprising The electrophoresis liquid of micro-cup structure, the thickness of the display plasma-based show that the viscosity of electrophoresis liquid in plasma-based is between 2-300 microns 100-100000 centipoise.

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 proposed a kind of manufacturer for showing plasma-based mould group Method, characterized in that include the following steps:

Pixel electrode is embedded in TFT glass substrate by step 1, and the TFT glass substrate that would be embedded with pixel electrode is placed On dispensing platform；

Step 2 puts sealant on the pixel electrode, forms liner frame；

Step 3 silk-screen in the frame of liner frame composition shows plasma-based, and the surrounding of the display plasma-based is by liner side Frame surrounds；

Step 4 is connect in liner frame internal coat conductive silver paste, the conductive silver paste with pixel electrode；

Viewing area protective layer, the conductive layer of polygon reticular structure, transparent electrode substrate are successively pressed together on by step 5 On entire liner frame, and solidified；The conductive silver paste and the conductive layer of transparent electrode connect；

Step 6 cuts away marginal portion viewing area protective layer, conductive layer, transparent electrode substrate, exposes on pixel electrode The predetermined position of IC integrated circuit modules binding；

IC integrated circuit modules and flexible circuit board are passed through the side that conductive adhesive tape is adhered to pixel electrode by step 7 Edge；

Step 8 will be electric in pixel by blue glue sealing around IC integrated circuit modules, 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, described In step 2, support microballoon can be added in the sealant in advance, in the step 3, can add in advance in the display plasma-based Add support microballoon.

Compared with conventional electronic ink display screen, the utility model is had the advantage 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 shows the electrophoresis for containing different photoelectric properties in the electrophoresis liquid of plasma-based using display plasma-based Particle eliminates microcapsules or micro-cup, and display effect is more preferable, and contrast improves 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) conductive layer of the utility model transparent electrode is fabricated to polygon reticular structure (such as diamond shape or hexagon), this Structure increases the resistance of conductive layer, and then increases the partial pressure of transparent electrode, and the movement of electrophoresis particle is more held in voltage increase It is easy to control, while can reduce the mutually exclusive of charged particle between electrophoresis particle, increase the steady of electrophoresis particle in display plasma-based It is qualitative, so that the image finally shown is more stable；

4) conductive layer of polygon reticular structure can further improve the transmitance of light, make the image of display more Clearly；

5) support microballoon can also be added in the liner frame of the utility model and display plasma-based, for entire display electricity Slurry mould group plays a supportive role；

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.

Fig. 3 is the schematic cross-sectional view of the utility model transparent electrode.

Fig. 4 is the overlooking structure diagram of conductive layer in the utility model embodiment 1.

Fig. 5 is the overlooking structure diagram of conductive layer in the utility model embodiment 2.

Description of symbols: 1-transparent electrode；2-display plasma-baseds；3-support microballoons；4-shading insulating cement water layers； 5-liner frames；6-pixel electrodes；7-viewing area protective layers；8-blue glue；9-conductive silver pastes；10-IC integrated circuit dies Block；11-flexible circuit boards；12-transparent electrode substrates；13-conductive layers.

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 1 ~ Fig. 4 of attached drawing, embodiment 1 is by taking the sub- electric ink display screen of double grains as an example, a kind of display plasma-based mould group, packet Pixel electrode 6 and the transparent electrode 1 above pixel electrode 6 are included, display is equipped between the pixel electrode 6 and transparent electrode 1 Plasma-based 2；

The transparent electrode 1 includes the conductive layer 13 being covered in the display plasma-based 2 and is covered on the conductive layer 13 On transparent electrode substrate 12, the conductive layer 13 be pattern structure conductive layer, the pattern structure be polygon latticed Shape structure；The conductive layer 13 be ITO, silver nanowires, graphene or carbon nanotube, the transparent electrode substrate 12 be glass, Plastics, the glass with protective layer or the plastics with protective layer, the plastics include PI, PEN, PET；

The sheet resistance of the conductive layer of pattern structure can be in 10-1000000 ohm/sq, and preferred sheet resistance range is in 1000- 300000 ohm/sq, optimized scope is in 5000-50000 ohm/sq.Pattern structure can pass through printing, coating, photoetching, steaming The modes such as plating are realized；

The polygon reticular structure of conductive layer 13 is diamond-mesh structure in the present embodiment 1；

The pixel electrode 6 includes segment encode and dot matrix, and the material of the pixel electrode is glass or plastics, the plastics Including PI, PEN or PET；The pixel electrode 6 is embedded on TFT glass substrate, and is passed through between pixel electrode 6 and display plasma-based 2 Shading insulating cement water layer 4 sticks；

2 surrounding of display plasma-based is provided with liner frame 5, between the liner frame 5 and conductive layer 13, the display it is electric It starches and is equipped with viewing area protective layer 7 between 2 edges and conductive layer 13；It is micro- that support can be added in the liner frame 5 and display plasma-based 2 Ball 3, the material of the support microballoon 3 includes resin microsphere, glass microsphere, and supporting the diameter of microballoon 3 is 2-60 microns excellent, choosing Size is at 5-30 microns；The electrophoresis particle different comprising at least two photoelectric properties in the display plasma-based 2, and not comprising passing The micro-cup structure of system, for the thickness of the display plasma-based 2 between 2-300 microns, preferred thickness shows plasma-based 2 at 8-20 microns The viscosity of middle electrophoresis liquid is 100-100000 centipoise, and preferred viscosities are in 1000-10000 centipoise；

It further include IC integrated circuit modules 10 and flexible circuit board 11, the IC integrated circuit modules 10 and flexible circuit board 11 are located at the side of liner frame 5, and are adhered on pixel electrode 6 by conductive adhesive tape ACF, the IC integrated circuit modules 10, pass through blue 8 sealing of glue on pixel electrode 6 around flexible circuit board 11 and conductive adhesive tape ACF.

As shown in figure 5, display plasma-based mould group of the embodiment 2 by taking the sub- electric ink display screen of double grains as an example, in the present embodiment 2 Unlike the first embodiment, the polygon reticular structure of conductive layer 13 is hexagonal network structure in embodiment 2.

The manufacturing method of one of embodiment as above display plasma-based mould group, characterized in that include the following steps:

Pixel electrode 6 is embedded in TFT glass substrate by step 1, and the TFT glass substrate that would be embedded with pixel electrode 6 is put It sets on dispensing platform；

Step 2 puts sealant on pixel electrode 6, forms the liner frame 5 for surrounding fixed display plasma-based 2；

Step 3 silk-screen in the frame that liner frame 5 forms shows that plasma-based 2, the surrounding of the display plasma-based 2 are served as a contrast Frame 5 is padded to surround；

In the present embodiment, 6 surface of pixel electrode can coat shading insulating cement water layer 4 in advance, for sticking display Plasma-based 2 can add support microballoon 3 in the sealant in advance, can add support microballoon 3 in advance in the display plasma-based 2, prop up Support microballoon 3 is for reinforcing the entire display plasma-based mould group of support；

Step 4 is connect in liner 5 internal coat conductive silver paste 9 of frame, the conductive silver paste 9 with pixel electrode 6；

Step 5 is successively by viewing area protective layer 7, the conductive layer 13 of polygon reticular structure, transparent electrode substrate 12 (transparent electrode 1) is pressed together on entire liner frame 5, and is solidified；The conductive layer of the conductive silver paste 9 and transparent electrode 1 13 connections；

The conductive layer 13 is the conductive layer of pattern structure, and the pattern structure is polygon reticular structure, such as water chestnut Shape reticular structure, hexagonal network structure etc.；Pattern structure can be coated with, photoetching by printing, and the modes such as vapor deposition are realized；

Step 6 cuts away marginal portion viewing area protective layer 7, conductive layer 13, transparent electrode substrate 12, exposes pixel The predetermined position that IC integrated circuit modules 10 are bound on electrode 6；

IC integrated circuit modules 10 and flexible circuit board 11 are adhered to pixel electrode 6 by conductive adhesive tape by step 7 Edge；

Step 8 will be existed around IC integrated circuit modules 10, flexible circuit board 11 and conductive adhesive tape by blue 8 sealing of glue On pixel electrode 6, the manufacture of electric ink display screen is completed.

Electrophoresis particle comprising at least two different photoelectric properties in the display plasma-based 2 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 2 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 2, and by the structure fabrication of conductive layer 13 at polygon reticular structure, such a structure increases the resistance of conductive layer 13, And then the partial pressure of transparent electrode 1 is increased, electrode partial pressure, which increases, is easier to control the movement of electrophoresis particle, can reduce simultaneously Charged particle is mutually exclusive between electrophoresis particle, increases the stability of electrophoresis particle in display plasma-based 2, so that finally show Image is more stable.

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 (8)

1. a kind of display plasma-based mould group, special including pixel electrode (6) and the transparent electrode (1) being located above pixel electrode (6) Sign is, display plasma-based (2) is equipped between the pixel electrode (6) and transparent electrode (1), and the transparent electrode (1) includes covering In the transparent electrode substrate (12) for showing the conductive layer (13) on plasma-based (2) and being covered on the conductive layer (13), institute The conductive layer that conductive layer (13) are pattern structure is stated, the pattern structure is polygon reticular structure.

2. a kind of display plasma-based mould group according to claim 1, it is characterised in that: the conductive layer of the pattern structure Sheet resistance is between 10-1000000 ohm/sq, and pattern structure can pass through printing, coating, photoetching, the modes reality such as vapor deposition It is existing；The conductive layer (13) be ITO, silver nanowires, graphene or carbon nanotube, the transparent electrode substrate (12) be glass, Plastics, the glass with protective layer or the plastics with protective layer, the plastics include PI, PEN, PET.

3. a kind of display plasma-based mould group according to claim 1, it is characterised in that: the pixel electrode (6) includes segment encode And dot matrix, the material of the pixel electrode is glass or plastics, and the plastics include PI, PEN or PET.

4. a kind of display plasma-based mould group according to claim 1, it is characterised in that: the pixel electrode (6) is embedded in TFT On glass substrate, and sticked between pixel electrode (6) and display plasma-based (2) by shading insulating cement water layer (4).

5. a kind of display plasma-based mould group according to claim 1, it is characterised in that: display plasma-based (2) the surrounding setting Have liner frame (5), between the liner frame (5) and conductive layer (13), between the display plasma-based (2) edge and conductive layer (13) It is equipped with viewing area protective layer (7).

6. a kind of display plasma-based mould group according to claim 1, it is characterised in that: further include IC integrated circuit modules (10) With flexible circuit board (11), the IC integrated circuit modules (10) and flexible circuit board (11) are located at the side for padding frame (5), And it is adhered on pixel electrode (6) by conductive adhesive tape ACF, the IC integrated circuit modules (10), flexible circuit board (11) And by blue glue (8) sealing on pixel electrode (6) around conductive adhesive tape ACF.

7. a kind of display plasma-based mould group according to claim 1, it is characterised in that: comprising extremely in the display plasma-based (2) The different electrophoresis particle of few two kinds of photoelectric properties, and the electrophoresis liquid not comprising micro-cup structure, the thickness of display plasma-based (2) Between 2-300 microns, the viscosity of electrophoresis liquid is 100-100000 centipoise in display plasma-based (2).

8. a kind of display plasma-based mould group according to claim 5, it is characterised in that: the liner frame (5) and display electricity Support microballoon (3) can be added in slurry (2), the material of support microballoon (3) includes resin microsphere, glass microsphere, and is supported micro- The diameter of ball (3) is 2-60 microns.