WO2019140758A1 - 一种高分辨率的显示电浆模组及其制造方法 - Google Patents

一种高分辨率的显示电浆模组及其制造方法 Download PDF

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Publication number
WO2019140758A1
WO2019140758A1 PCT/CN2018/078220 CN2018078220W WO2019140758A1 WO 2019140758 A1 WO2019140758 A1 WO 2019140758A1 CN 2018078220 W CN2018078220 W CN 2018078220W WO 2019140758 A1 WO2019140758 A1 WO 2019140758A1
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Prior art keywords
plasma
pixel electrode
display
array
resolution display
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PCT/CN2018/078220
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English (en)
French (fr)
Inventor
张磊
陈山
包进
Original Assignee
无锡威峰科技股份有限公司
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Priority claimed from CN201810054139.2A external-priority patent/CN108227333A/zh
Priority claimed from CN201810171783.8A external-priority patent/CN108181772A/zh
Priority claimed from CN201810171462.8A external-priority patent/CN108267906A/zh
Application filed by 无锡威峰科技股份有限公司 filed Critical 无锡威峰科技股份有限公司
Priority to KR1020197002976A priority Critical patent/KR102242292B1/ko
Priority to JP2019521038A priority patent/JP7010448B2/ja
Priority to US16/335,271 priority patent/US11430626B2/en
Priority to EP18865381.0A priority patent/EP3543784B1/en
Publication of WO2019140758A1 publication Critical patent/WO2019140758A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/20—Constructional details
    • H01J11/22—Electrodes, e.g. special shape, material or configuration
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field
    • G02F1/166—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
    • G02F1/167—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field
    • G02F1/1675—Constructional details
    • G02F1/16756—Insulating layers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field
    • G02F1/1675—Constructional details
    • G02F1/1676—Electrodes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field
    • G02F1/1675—Constructional details
    • G02F1/1676—Electrodes
    • G02F1/16766—Electrodes for active matrices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field
    • G02F1/1675—Constructional details
    • G02F1/1679—Gaskets; Spacers; Sealing of cells; Filling or closing of cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field
    • G02F1/1675—Constructional details
    • G02F1/1679—Gaskets; Spacers; Sealing of cells; Filling or closing of cells
    • G02F1/1681—Gaskets; Spacers; Sealing of cells; Filling or closing of cells having two or more microcells partitioned by walls, e.g. of microcup type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/20—Constructional details
    • H01J11/34—Vessels, containers or parts thereof, e.g. substrates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/20—Constructional details
    • H01J11/34—Vessels, containers or parts thereof, e.g. substrates
    • H01J11/36—Spacers, barriers, ribs, partitions or the like
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/20—Constructional details
    • H01J11/46—Connecting or feeding means, e.g. leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/18—Assembling together the component parts of electrode systems
    • H01J9/185—Assembling together the component parts of electrode systems of flat panel display devices, e.g. by using spacers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on translational movement of particles in a fluid under the influence of an applied field
    • G02F1/1675—Constructional details
    • G02F1/1677—Structural association of cells with optical devices, e.g. reflectors or illuminating devices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/50—Protective arrangements

Definitions

  • the invention relates to a display plasma module and a manufacturing method thereof, in particular to a high-resolution display plasma module and a manufacturing method thereof, and belongs to the technical field of electronic display.
  • Electrophoresis shows the phenomenon that the charged colloidal particles migrate under the action of an electric field, and the electrophoretic particles with different photoelectric properties are driven by the electric field to realize the display of images and characters.
  • the electrophoretic display has the following characteristics: flexibility Easy to bend, light weight, thin thickness, high contrast, low energy consumption, large viewing angle, readable under sunlight, image bistable, easy to produce in large areas.
  • Electrophoretic display technology was first proposed in the 1970s. The preparation of an electrophoretic display material comprising at least one electrophoretic particle is disclosed in US Pat. No. 3,892,568. An electrophoretic display system comprising at least one electrophoretic particle and the electrophoresis fluid coated with microcapsules is disclosed in the patent JP 1086116. An electrophoretic display unit for coating an electrophoretic fluid using a microcup structure is disclosed in US Pat. No. 6,930,818. Microencapsulated electrophoretic display units are disclosed in the patents US 593 0026, US Pat. No. 5,961, 804, US Pat. No. 6,017, 584, and US Pat. No.
  • microcup and microcapsule-type electronic ink displays are based on tiny cavity structures, namely microcups and microcapsules. The effect of these two microstructures is to disperse the coated display plasma.
  • microcapsules and the microcups do not have the display function themselves, and the constituent materials are mostly transparent, poor hiding power, and the amount of the whole electrophoretic display system is large, resulting in a decrease in the hiding power of the entire display screen, a decrease in contrast, and a resolution. Decreased rate and reduced service life;
  • the object of the present invention is to provide a high-resolution display plasma module and a manufacturing method thereof for the problem of the current electronic display screen, which can directly replace the existing micro-cup structure or micro-capsule with the display plasma, and in the pixel A plasma is disposed on the electrode to block the gap between the pixel electrode units, and the plasma blocking structure of the patterned structure surrounds each pixel electrode unit to obtain a high-resolution display effect, and the display of the present invention is
  • the slurry module can achieve high-resolution, multi-color, multi-gray display.
  • the technical solution of the present invention is: a high-resolution display plasma module comprising a pixel electrode and a transparent electrode located above the pixel electrode, wherein the pixel electrode and the transparent electrode are disposed There is a display plasma and a spacer frame located around the display plasma, and the pixel electrode is provided with a plasma barrier ⁇ array for uniformly dispersing and stably displaying the plasma, the plasma resistance ⁇ array includes a plurality of The plasma distributed in the array blocks the ⁇ , the pixel electrode includes a plurality of pixel electrode units arranged in an array, the plasma blocking ⁇ is located on the gap of the pixel electrode unit, and each of the plasmas is separated from the ⁇ Contains only one pixel electrode unit.
  • the width of the plasma barrier ⁇ is equal to the gap width of the pixel electrode unit, and the width of the plasma barrier ⁇ is not more than 30 micrometers, and the height is not more than 60 micrometers.
  • the material of the plasma resisting the plasma in the iridium array from the ruthenium is acrylic resin, urethane resin, epoxy resin, silicone resin or glass.
  • the pixel electrode is embedded on the TFT glass substrate, and the pixel electrode and the display plasma are adhered through the light-shielding insulating glue layer.
  • a conductive layer is disposed between the display plasma and the transparent electrode, between the spacer frame and the transparent electrode, and between the spacer frame and the conductive layer, and between the display plasma edge and the conductive layer.
  • the display plasma has a thickness between 2 and 70 micrometers, and the electrophoretic liquid in the plasma is displayed to have a viscosity of 100 to 100,000 centipoise, and the electrophoretic particle containing at least two different photoelectric properties is displayed in the plasma. .
  • supporting microspheres may be added to the pad frame and the display plasma, and the material of the supporting microspheres includes resin microspheres, glass microspheres, and the support ball has a diameter of 2-60 micrometers.
  • the present invention also provides a high-resolution display plasma module manufacturing method, which comprises the following steps:
  • Step 1 Prepare a plasma barrier iridium array on the pixel electrode in advance
  • Step 2 Insert the pixel electrode into the TFT glass substrate, and place the TFT glass substrate on the dispensing platform;
  • Step three sealing the frame glue on the pixel electrode to form a pad frame
  • Step four Silk screen printing in the pad frame shows the plasma
  • Step 5 Applying a conductive silver paste in the pad frame
  • Step 6 The conductive layer, the transparent electrode and the display area are laminated on the entire pad frame and cured;
  • Step 7 Cutting off part of the transparent electrode, the conductive layer and the protective layer of the display area to expose a predetermined position of the integrated circuit module IC on the pixel electrode;
  • Step 8 The integrated circuit module IC and the flexible circuit board are adhered to the edge of the pixel electrode through the conductive strip;
  • Step 9 The integrated circuit module IC, the flexible circuit board and the conductive strip are solid-sealed on the pixel electrode by blue glue to complete the manufacture of the electronic ink display screen.
  • the surface of the pixel electrode may be pre-coated with a light-shielding insulating glue layer, and the supporting microspheres may be pre-coated on the insulating glue layer.
  • the plasma barrier iridium array is coated on the surface of the pixel electrode by printing, coating or dispensing, and then cured by light curing, heat curing or moisture curing, or by physical growth.
  • the chemical growth method is realized.
  • the present invention Compared with the conventional electronic ink display screen, the present invention has the following advantages:
  • the display effect is affected.
  • the present invention adopts the display plasma, and the micro-capsule or the micro-cup is removed, and the display effect is better.
  • the contrast is increased by more than 10%;
  • the display plasma of the present invention can reduce the thickness of the entire electrophoretic display layer, the response time drops below 80 milliseconds, the driving voltage is reduced to between plus and minus 1.5-8V, and the operating temperature range is widened to -30-70 degrees, while reducing Production cost;
  • the present invention provides a patterned plasma barrier ⁇ array between the gaps of the pixel electrode unit, which can effectively and uniformly disperse and stably display the plasma, and improve the display effect;
  • the black-and-white display resolution can reach more than 600dpi, the full-color display resolution can achieve more than 200dpi, and at the same time can realize 4, 8, 16, 32, 64, and even more High gray scale display;
  • the pixel electrode unit is controlled by the Source line and the gate line, and the plasma resisting ⁇ structure effectively prevents short circuit between adjacent pixel electrode units, and prevents nuisance of electric field generated between the pixel electrode units, and also prevents display.
  • the plasma particles are collected on the source line and the gate line, which ensures the directivity and verticality of the electric field between the pixel electrode and the transparent electrode;
  • the display area protective layer of the present invention protects the display plasma of the display area, and functions as a light shielding and insulation;
  • the insulating layer of the light-shielding layer of the present invention is used for protecting the pixel electrode from optical irradiation, isolating the display plasma and the pixel electrode, and preventing the display plasma from damaging the pixel electrode;
  • the process of the present invention can produce a large-scale display plasma module of 100 inches or more.
  • Figure 1 is a schematic side view of the structure of the present invention.
  • FIG. 2 is a cross-sectional structural view of a portion A of FIG. 1.
  • the embodiment takes a two-particle electronic ink display screen as an example, and a high-resolution display plasma module includes a pixel electrode 13 and a transparent electrode 1 located above the pixel electrode 13 .
  • the pixel electrode 13 and the transparent electrode 1 are provided with a display plasma 3 and a spacer frame 6 located around the display plasma 3.
  • the pixel electrode 13 is provided with a uniform dispersion and a stable display plasma.
  • the plasma of the plasma is shielded from the erbium array 14 , the plasma eliminator array 14 includes a plurality of plasma barrier iridium distributed in an array, and the pixel electrode 13 includes a plurality of pixel electrode units arranged in an array.
  • the plasma blocking ⁇ is located on the gap 15 of the pixel electrode unit, and each of the plasma blocking ⁇ contains only one pixel electrode unit, and the width of the plasma blocking ⁇ is equal to the width of the gap 15 of the pixel electrode unit, which is equivalent to A patterned structure of a bank is formed on the surface of the pixel electrode 13, and the patterned structure surrounds each of the pixel electrode units by a plasma to obtain a high-resolution display effect; the plasma resists ⁇ The width is no more than 30 micro
  • the meter preferably has a width of 5-15 micrometers, a height of not more than 60 micrometers, preferably a height of no more than 10 micrometers, and the material of the plasma resisting bismuth is acrylic resin, polyurethane resin, epoxy resin, silicone resin or glass, preferably Acrylic resin and polyurethane resin and glass; there is a gap between the plasma barrier ⁇ and the transparent electrode 1, indicating that the plasma 3 can completely cover the transparent electrode 1 through the gap, thereby achieving 100% screen occlusion
  • the thickness of the display plasma 3 is between 2 and 70 microns, preferably between 8 and 20 microns, and the viscosity of the electrophoresis liquid in the plasma 3 is from 100 to 100,000 cps, preferably the viscosity is selected from 1000 to 10,000.
  • the display plasma 3 contains a plurality of white particles and a plurality of black particles. The white particles and the black particles are driven by the IC integrated circuit module 11 due to the application of an electric field, and the pixel electrode 13 may include a segment code.
  • the substrate of the pixel electrode 13 may be glass, plastic, etc., the plastic substrate includes PI, PEN, PET, etc.; the spacer frame 6 and the display plasma Supporting microspheres 4 may be added to the material, and the material of the supporting microspheres 4 includes resin microspheres and glass microspheres.
  • the supporting microspheres 4 are pre-coated on the surface of the pixel electrode 13 according to the application of the display module. Shading Which material includes a layer of glue 5 on the resin microballoons, glass microspheres, the microspheres and the diameter of the support 4 is 2-60 microns, preferably 5-30 microns in size.
  • the pixel electrode 13 is embedded in the TFT glass substrate 7, and the pixel electrode 13 and the display plasma 3 are adhered through the light-shielding insulating glue layer 5, and between the display plasma 3 and the transparent electrode 1, the pad frame 6
  • a conductive layer 2 is disposed between the transparent electrode 1 and the conductive layer 2, and the conductive layer 2 may be ITO, silver nanowires, graphene, carbon nanotubes, etc., and the substrate of the transparent electrode 1 includes glass, plastic, and a protective layer.
  • the plastic substrate comprises PI, PEN, PET, etc.
  • the protective layer is evaporated to the surface of the substrate by evaporation, and the protective layer has the functions of waterproofing and ultraviolet protection;
  • the spacer frame 6 and the conductive Between the layers 2, the edge of the display plasma 3 and the conductive layer 2 are provided with a display area protection layer 8, the material of the display area protection layer 8 comprises polyurethane, acrylic resin, epoxy resin or natural polymer.
  • An integrated circuit module IC 11 and a flexible circuit board 12 are disposed on one side of the pad frame 6, and the integrated circuit module IC 11 and the flexible circuit board 12 are adhered to the pixel electrode 13 through a conductive strip, the integrated circuit module IC 11. Passing around the flexible circuit board 12 and the conductive strip The blue glue 9 is solid-sealed on the pixel electrode 13.
  • the material of the light-shielding insulating glue layer 5 includes polyurethane, acrylic resin, epoxy resin, natural polymer, etc., and the glue may be water type, solvent type, hot-melt type, photo-curable type, etc., wherein the water type, preferably light, is light.
  • the curing type is used to protect the pixel electrode 13 from being irradiated, affecting the performance and the service life of the display panel, and isolating the display plasma 3 and the pixel electrode 13 to prevent the display plasma 3 from damaging the pixel electrode 13.
  • a high-resolution display plasma module manufacturing method comprising the steps of:
  • Step 1 Prepare a plasma barrier iridium array 14 on the pixel electrode 13; the surface of the pixel electrode 13 may be pre-coated with the supporting microspheres 4, and may be pre-coated before the supporting microspheres 4 are coated.
  • the light-shielding insulating glue layer 5 is not coated with the light-shielding insulating glue layer 5;
  • the plasma resisting iridium array 14 is coated on the surface of the pixel electrode 13 by printing, coating or dispensing, and then cured by photocuring, heat curing or moisture curing, or by physical growth or chemical growth;
  • Step 2 Insert the pixel electrode 13 into the TFT glass substrate 7, and place the TFT glass substrate 7 on the dispensing platform;
  • Step 3 Using a dispenser to seal the sealant on the pixel electrode 13 to form a spacer frame 6; the sealant material includes epoxy resin, acrylic resin, polyurethane resin, etc., and the curing method of the sealant can be Photocuring and heat curing, moisture curing, etc., preferably in a photocuring manner, the frame sealing glue material may or may not include the supporting microspheres 4; the width of the pad frame 6 is 2-300. Micron, preferably 50-200 microns in width, pad frame 6 having a height of 5-150 microns, preferably a height of 15-60 microns;
  • Step 4 Display the plasma 3 in the pad frame 6 by using a screen printing device; the display plasma 3 can be added on the surface of the pixel electrode 13 or the transparent electrode 1 by printing, coating, printing, dispensing, or the like.
  • Preferred filling methods include screen printing, gravure printing, slit extrusion coating, etc.;
  • Step 5 coating the conductive silver paste 10 in the liner frame 6; the conductive silver paste 10 may also be conductive silver beads or conductive gold beads;
  • Step 6 The conductive layer 2, the transparent electrode 1 and the display area protective layer 8 are pressed onto the entire pad frame 6 and cured; at this time, the conductive silver paste 10 and the pixel electrode 13 are electrically connected while passing through the conductive layer 2 Electrically connected to the transparent electrode 1;
  • Step 7 Using a glass machine to cut off part of the transparent electrode 1, the conductive layer 2 and the display area protective layer 8, exposing the predetermined position bounded by the integrated circuit module IC 11 on the pixel electrode 13;
  • Step 8 Through the COG process, the integrated circuit module IC 11 and the flexible circuit board 12 are adhered to the edge of the pixel electrode 13 through the conductive strip;
  • Step 9 Using the blue glue printing process, the integrated circuit module IC 11, the flexible circuit board 12 and the conductive strip are solid-sealed on the pixel electrode 13 by the blue glue 9, thereby completing the manufacture of the electronic ink display.
  • the electrophoretic particle 3 of the present invention comprises at least two electrophoretic particles having different photoelectric properties, electrophoretic particles having different photoelectric properties, and preferred colors of the electrophoretic particles include white, black, red, green, blue and yellow, etc., for realizing black and white. Displaying single color, double color, multi-color and true color, and simultaneously showing that the plasma 3 may contain a fluorescent material, the fluorescent material includes an inorganic fluorescent material and an organic fluorescent material, and the inorganic fluorescent material includes a rare earth fluorescent material, a metal sulfide, and the like.
  • Organic fluorescent materials include small molecule fluorescent materials and polymeric fluorescent materials.
  • the display plasma module of the present invention does not need to use a conventional micro structure such as a microcapsule or a microcup, directly uses the display plasma 3, and provides a plasma blocking immersion in the display plasma 3 between the transparent electrode 1 and the pixel electrode 13.
  • the array 14 is formed with a patterned structure of a bank so that each pixel electrode unit is surrounded by a slurry barrier to obtain a high-resolution display effect, which is distinguished from a conventional microstructured electrophoretic display.
  • the rate can reach more than 600dpi, the full color display resolution can achieve more than 200dpi, and at the same time can realize 4, 8, 16, 32, 64, even higher gray scale display; at the same time, the plasma barrier is covered by the pixel electrode unit.
  • the pixel electrode 13 is controlled by the source line and the gate line, thereby effectively preventing short circuit between adjacent pixel electrode units, while preventing generation of electric field nuisance between the pixel electrode units, and also preventing display of plasma particles in
  • the source line and the gate line are gathered to ensure the directivity and verticality of the electric field between the pixel electrode 13 and the transparent electrode 1; the entire production process is simplified, and the display structure is simple and obvious.
  • the thickness of the layer is uniformly controllable, and the electrophoresis liquid in the plasma 3 can be freely moved, and can be evenly dispersed and stabilized by the plasma blocking array 14 so that the display effect of the whole display screen is better; the module structure of the present invention is removed.
  • the micro-structures such as the conventional microcapsules and microcups increase productivity and yield, while improving display performance and service life.

Abstract

一种高分辨率的显示电浆模组及其制造方法，包括像素电极（13）及透明电极（1），像素电极（13）和透明电极（1）间设有显示电浆（3）及位于显示电浆（3）四周的衬垫边框（6），像素电极（13）上设有电浆阻离堰阵列（14），电浆阻离堰阵列（14）包括若干个呈阵列分布的电浆阻离堰，像素电极（13）包括若干个呈阵列分布的像素电极单元，电浆阻离堰位于像素电极单元的间隙（15）上，且每个电浆阻离堰内只包含一个像素电极单元；使用显示电浆（3）替代现有的微杯结构或微胶囊，并在像素电极（13）上设置位于像素电极单元间隙（15）的电浆阻离堰阵列（14），该图案化结构的电浆阻离堰阵列（14）将每个像素电极单元包围起来，从而获得高分辨率的显示效果，并可以实现多彩色，多灰阶的显示效果。

Description

一种高分辨率的显示电浆模组及其制造方法 技术领域
本发明涉及一种显示电浆模组及其制造方法，尤其是一种高分辨率的显示电浆模组及其制造方法，属于电子显示技术领域。
背景技术
电泳显示利用带电的胶体颗粒在电场作用下发生泳动的现象，通过电场驱动不同光电性能的电泳粒子来实现图像和文字的显示，与已知的显示技术相比，电泳显示具备如下特点：柔性易弯曲，重量轻，厚度薄，对比度高，能耗低，可视角度大，阳光下可读，具备图像双稳态，容易大面积生产等特点。
电泳显示技术最初在上世纪70年代被提出。在专利US3892568中公开了至少包含一种电泳粒子的电泳显示材料的制备过程。在专利JP1086116中公开了至少含有一种电泳粒子，并且电泳液被微胶囊包覆的电泳显示系统。在US6930818中公开了使用微杯结构包覆电泳液的电泳显示单元。在专利US5930026，US5961804，US6017584和US6120588中，公开了微胶囊包覆的电泳显示单元，其中显示电浆包含两种或者两种以上不同光电性能的电泳粒子。纵观之前的已有技术，微杯和微胶囊型电子墨水显示屏都是基于微小的空腔结构，即微杯和微胶囊。这两种微结构的作用在于分散包覆显示电浆。
尽管两种结构的显示屏都在实际产品得以应用，但是两种结构具有如下缺点：
1)微胶囊和微杯本身不具备显示功能，其组成材料多是透明，遮盖力差的材料，并且在整个电泳显示体系中用量较大，导致整个显示屏的遮盖力降低，对比度下降，分辨率下降，以及使用寿命降低；
2)微胶囊和微杯结构的存在无疑加厚整个电泳显示材料层的厚度，使得显示屏对比度和分辨率下降，响应速度慢，驱动电压高，刷新慢，功耗大，工作温度范围窄；
3)微胶囊和微杯结构制备过程过于复杂，造成生产制造上的困难和浪费，造成良率下降，材料浪费，制造成本高。
发明内容
本发明的目的是针对目前电子显示屏的问题，提供一种高分辨率的显示电浆模组及其制造方法，可以直接使用显示电浆替代现有的微杯结构或微胶囊，并在像素电极上设置位于像素电极单元间隙的电浆阻离堰阵列，该图案化结构的电浆阻离堰阵列将每个像素电极单元包围起来，从而获得高分辨率的显示效果，本发明的显示电浆模组，可以实现高分辨率，多彩色，多灰阶的显示效果。
为实现以上技术目的，本发明的技术方案是：一种高分辨率的显示电浆模组，包括像素电极及位于像素电极上方的透明电极，其特征在于，所述像素电 极和透明电极间设有显示电浆及位于所述显示电浆四周的衬垫边框，所述像素电极上设有用于均匀分散和稳固显示电浆的电浆阻离堰阵列，所述电浆阻离堰阵列包括若干个呈阵列分布的电浆阻离堰，所述像素电极包括若干个呈阵列分布的像素电极单元，所述电浆阻离堰位于像素电极单元的间隙上，且每个电浆阻离堰内只包含一个像素电极单元。
进一步地，所述电浆阻离堰的宽度等于像素电极单元的间隙宽度，且电浆阻离堰的宽度不超过30微米，高度不超过60微米。
进一步地，所述电浆阻离堰阵列中的电浆阻离堰的材料为丙烯酸树脂、聚氨酯树脂、环氧树脂、有机硅树脂或玻璃。
进一步地，所述像素电极内嵌在TFT玻璃基板上，且像素电极与显示电浆间通过遮光绝缘胶水层黏附。
进一步地，所述显示电浆与透明电极间、所述衬垫边框与透明电极间均设有导电层，所述衬垫边框与导电层间、所述显示电浆边缘与导电层间均设有显示区保护层。
进一步地，所述显示电浆的厚度在2-70微米之间，且显示电浆中电泳液的粘度为100-100000厘泊，所述显示电浆中包含至少两种不同光电性能的电泳粒子。
进一步地，所述衬垫边框和显示电浆中可添加支撑微球，所述支撑微球的材料包括树脂微球、玻璃微球，且支撑位球的直径为2-60微米。
为了进一步实现以上技术目的，本发明还提出一种高分辨率的显示电浆模组制造方法，其特征是，包括如下步骤：
步骤一.在所述像素电极上预先制备好电浆阻离堰阵列；
步骤二.将像素电极嵌入TFT玻璃基板内，并将TFT玻璃基板放置在点胶平台上；
步骤三.在像素电极上点封框胶，形成衬垫边框；
步骤四.在衬垫边框内丝印显示电浆；
步骤五.在衬垫边框内涂覆导电银浆；
步骤六.将导电层、透明电极与显示区保护层压合在整个衬垫边框上，并进行固化；
步骤七.切割掉部分透明电极、导电层和显示区保护层，露出像素电极上集成电路模块IC绑定的预定位置；
步骤八.集成电路模块IC和柔性电路板均通过导电胶条粘附在像素电极的边缘；
步骤九.将集成电路模块IC、柔性电路板和导电胶条周围通过蓝胶固封在像素电极上，完成电子墨水显示屏的制造。
进一步地，所述步骤一中，所述像素电极表面可预先涂覆好遮光绝缘胶水层，在所述绝缘胶水层上可预先涂覆好支撑微球。
进一步地，所述步骤一中，所述电浆阻离堰阵列通过印刷、涂布或点胶方式涂覆在像素电极表面，再通过光固化的、热固化或者湿气固化，或者通过物理生长、化学生长方式实现。
与传统电子墨水显示屏相比，本发明具有以下优点：
1)相较于传统的微结构电泳显示屏，由于传统微胶囊或微杯不参与显示，因此会影响显示效果，本发明采用显示电浆，去掉了微胶囊或微杯，显示效果更好，对比度提高10％以上；
2)本发明的显示电浆能够降低整个电泳显示层的厚度，响应时间降到80毫秒以下，驱动电压降低到正负1.5-8V之间，工作温度范围拓宽为-30-70度，同时降低了制作成本；
3)本发明在像素电极单元的间隙间设置图案化的电浆阻离堰阵列，可以有效均匀分散并稳固显示电浆，并提高显示效果；
4)在单个像素电极单元周边形成电浆阻离堰，制造出一种围堰的图案化结构，电浆阻离堰覆盖在像素电极单元的间距上，每个像素电极单元都被电浆阻离堰包围，相较于传统的微结构电泳显示屏，黑白显示分辨率可以达到600dpi以上，全彩显示分辨率可以实现200dpi以上，同时可以实现4，8，16，32，64，甚至于更高灰阶的显示；
5)像素电极单元由Source线路和gate线路控制，电浆阻离堰结构有效地防止了相邻像素电极单元之间的短路，同时防止了像素电极单元之间产生电场的窜扰，也阻止了显示电浆粒子在source线路和gate线路上聚集，保障了像素电极和透明电极之间电场的方向性和垂直度；
6)本发明的显示区保护层对显示区的显示电浆进行保护，起到遮光和绝缘的作用；
7)本发明的遮光层绝缘胶水层用于保护像素电极不受光学照射，隔离显示电浆和像素电极，防止显示电浆损害像素电极；
8)本发明工艺可以生产100寸以上大尺度的显示电浆模组。
附图说明
图1为本发明的侧视结构示意图。
图2为图1中A部分的剖视结构示意图。
附图标记说明：1—透明电极；2—导电层；3—显示电浆；4—支撑微球；5—遮光绝缘胶水层；6—衬垫边框；7—TFT玻璃基板；8—显示区保护层；9—蓝胶；10—导电银浆；11—集成电路模块IC；12—柔性电路板；13—像素电极；14—电浆阻离堰阵列和15—像素电极单元的间隙。
具体实施方式
下面结合具体附图和实施例对本发明作进一步说明。
本发明不限于以下的实施方式，在以下的说明中所参照的各图是为了能够对本发明的内容进行理解而设置的，即本发明不限于各图所举例的电子墨水显示屏结构。
如附图1和图2所示，实施例以双粒子电子墨水显示屏为例，一种高分辨率的显示电浆模组，包括像素电极13及位于像素电极13上方的透明电极1，其特征在于，所述像素电极13和透明电极1间设有显示电浆3及位于所述显示电浆3四周的衬垫边框6，所述像素电极13上设有用于均匀分散和稳固显示电浆3的电浆阻 离堰阵列14，所述电浆阻离堰阵列14包括若干个呈阵列分布的电浆阻离堰，所述像素电极13包括若干个呈阵列分布的像素电极单元，所述电浆阻离堰位于像素电极单元的间隙15上，且每个电浆阻离堰内只包含一个像素电极单元，所述电浆阻离堰的宽度等于像素电极单元的间隙15宽度，相当于在像素电极13表面制造一种围堰的图案化结构，该图案化结构将每个像素电极单元都被电浆阻离堰包围，从而获得高分辨率的显示效果；所述电浆阻离堰的宽度不超过30微米，优选宽度为5-15微米之间，高度不超过60微米，优选高度不超过10微米，电浆阻离堰的材料为丙烯酸树脂、聚氨酯树脂、环氧树脂、有机硅树脂或玻璃，优选丙烯树脂和聚氨酯树脂和玻璃；电浆阻离堰和透明电极1之间存在间隙，显示电浆3通过该间隙可以将透明电极1完全覆盖，从而达到了百分之百的屏幕遮盖率，完全消除了微杯和微胶囊结构中壁材等材料的对显示效果的不良影响。
所述显示电浆3的厚度在2-70微米之间，优选厚度在8-20微米之间，且显示电浆3中电泳液的粘度为100-100000厘泊，优选粘度选择在1000-10000厘泊，所述显示电浆3内含有若干个白色粒子和若干个黑色粒子，白色粒子和黑色粒子由于施加电场不同，在IC集成电路模块11的驱动下，所述像素电极13可以包括段码，点矩阵等，电泳粒子能够通过电浆阻离堰与透明电极1间的空隙移动，可以使显示屏实现显示黑白色，提高显示屏对比度和显示效果；电浆阻离堰保护显示电浆3不在水平面上随意移动，保证了显示电浆3的稳固性，像素电极13的基材可以是玻璃，塑料等，塑料基材包括PI，PEN，PET等；所述衬垫边框6和显示电浆3中可添加支撑微球4，所述支撑微球4的材料包括树脂微球、玻璃微球，根据显示模组应用情况而定，所述支撑微球4是预先涂覆在像素电极13表面的遮光绝缘胶水层5上的，其材料包括树脂微球、玻璃微球，且支撑微球4的直径为2-60微米，优选大小在5-30微米。
所述像素电极13内嵌在TFT玻璃基板7上，且像素电极13与显示电浆3间通过遮光绝缘胶水层5黏附，所述显示电浆3与透明电极1间、所述衬垫边框6与透明电极1间均设有导电层2，所述导电层2可以是ITO，银纳米线，石墨烯，碳纳米管等，透明电极1的基材包括玻璃，塑料，以及带有防护层的玻璃或塑料等，所述塑料基材包括PI，PEN，PET等，防护层是以蒸镀方式蒸镀到基材表面，防护层具备防水和防紫外的功能；所述衬垫边框6与导电层2间、所述显示电浆3边缘与导电层2间均设有显示区保护层8，所述显示区保护层8的材质包括聚氨酯、丙烯酸树脂、环氧树脂或天然高分子，所述衬垫边框6一侧设有集成电路模块IC 11和柔性电路板12，所述集成电路模块IC 11和柔性电路板12均通过导电胶条粘附在像素电极13上，所述集成电路模块IC 11、柔性电路板12和导电胶条周围通过蓝胶9固封在像素电极13上。
所述遮光绝缘胶水层5的材质包括聚氨酯，丙烯酸树脂，环氧树脂，天然高分子等，该胶水可以是水型，溶剂型，热熔型，光固化型等，其中水型，优选为光固化型，用于保护像素电极13不受学照射，影响显示屏的性能和使用寿命，同时隔离了显示电浆3和像素电极13，防止显示电浆3损害像素电极13。
如上实施例中的一种高分辨率的显示电浆模组制造方法，其特征是，包括 如下步骤：
步骤一.在所述像素电极13上预先制备好电浆阻离堰阵列14；所述像素电极13表面可预先涂覆好支撑微球4，在涂覆支撑微球4前可预先涂覆好遮光绝缘胶水层5或者不涂覆遮光绝缘胶水层5；
所述电浆阻离堰阵列14通过印刷、涂布或点胶方式涂覆在像素电极13表面，再通过光固化的、热固化或者湿气固化，或者通过物理生长、化学生长方式实现；
步骤二.将像素电极13嵌入TFT玻璃基板7内，并将TFT玻璃基板7放置在点胶平台上；
步骤三.利用点胶机在像素电极13上点封框胶，形成衬垫边框6；所述封框胶材料包括环氧树脂，丙烯酸树脂，聚氨酯树脂等，且封框胶的固化方式可以是光固化和热固化，湿气固化等，优选为光固化方式，封框胶材料中可以包含支撑微球4，也可以不包括支撑微球4；所述衬垫边框6的宽度为2-300微米，优选宽度为50-200微米，衬垫边框6的高度为5-150微米，优选高度为15-60微米；
步骤四.利用丝网印刷设备在衬垫边框6内丝印显示电浆3；所述显示电浆3可以通过印刷，涂布，打印，点胶等方式加注在像素电极13或者透明电极1表面，优选的加注方式包括丝网印刷，凹版印刷，狭缝挤压式涂布等；
步骤五.在衬垫边框6内涂覆导电银浆10；所述导电银浆10还可以是导电银珠或导电金珠；
步骤六.将导电层2、透明电极1与显示区保护层8压合在整个衬垫边框6上，并进行固化；此时，导电银浆10和像素电极13电连接，同时通过导电层2与透明电极1电连接；
步骤七.利用玻璃机切割掉部分透明电极1、导电层2和显示区保护层8，露出像素电极13上集成电路模块IC 11绑定的预定位置；
步骤八.通过COG工艺，集成电路模块IC 11和柔性电路板12均通过导电胶条粘附在像素电极13的边缘；
步骤九.使用蓝胶印刷工艺，将集成电路模块IC 11、柔性电路板12和导电胶条周围通过蓝胶9固封在像素电极13上，完成电子墨水显示屏的制造。
本发明的显示电浆3中包含至少两种不同光电性能的电泳粒子，光电性能不同的电泳粒子，电泳粒子优选的颜色包括白色，黑色，红色，绿色，蓝色和黄色等，用来实现黑白、单彩色、双彩色、多彩色和真彩色等显示，同时显示电浆3中可以包含荧光材料，荧光材料包括无机荧光材料和有机荧光材料，无机荧光材料包括稀土荧光材料，金属硫化物等，有机荧光材料包括小分子荧光材料和高分子荧光材料等。
本发明的显示电浆模组不需要使用微胶囊或微杯等传统微结构，直接使用显示电浆3，并在透明电极1和像素电极13间的显示电浆3中设置电浆阻离堰阵列14，制造一种围堰的图案化结构，使得每个像素电极单元均被浆阻离堰包围，从而获得高分辨率的显示效果，相较于传统的微结构电泳显示屏，黑白显示分辨率可以达到600dpi以上，全彩显示分辨率可以实现200dpi以上，同时可以实现 4，8，16，32，64，甚至于更高灰阶的显示；同时电浆阻离堰覆盖在像素电极单元的间距上，像素电极13由Source线路和gate线路控制，从而有效地防止了相邻像素电极单元之间的短路，同时防止了像素电极单元之间产生电场的窜扰，也阻止了显示电浆粒子在source线路和gate线路上聚集，保障了像素电极13和透明电极1之间电场的方向性和垂直度；整个生产工艺简化，显示结构简单，显示层厚度均一可控，显示电浆3中电泳液既能自由移动，又能被电浆阻离堰阵列14均匀分散和稳固，使得整个显示屏的显示效果更好；本发明模组结构中去除了传统的微胶囊和微杯等微结构，使得生产效率提高和良率提升，同时提高了显示性能和使用寿命。
以上对本发明及其实施方式进行了描述，该描述没有限制性，附图中所示的也只是本发明的实施方式之一，实际结构并不局限于此。总而言之如果本领域的普通技术人员受其启示，在不脱离本发明创造宗旨的情况下，不经创造性的设计出与该技术方案相似的结构方式及实施例，均应属于本发明的保护范围。

Claims (10)

  1. 一种高分辨率的显示电浆模组，包括像素电极(13)及位于像素电极(13)上方的透明电极(1)，其特征在于，所述像素电极(13)和透明电极(1)间设有显示电浆(3)及位于所述显示电浆(3)四周的衬垫边框(6)，所述像素电极(13)上设有用于均匀分散和稳固显示电浆(3)的电浆阻离堰阵列(14)，所述电浆阻离堰阵列(14)包括若干个呈阵列分布的电浆阻离堰，所述像素电极(13)包括若干个呈阵列分布的像素电极单元，所述电浆阻离堰位于像素电极单元的间隙(15)上，且每个电浆阻离堰内只包含一个像素电极单元。
  2. 根据权利要求1所述的一种高分辨率的显示电浆模组，其特征在于：所述电浆阻离堰的宽度等于像素电极单元的间隙(15)宽度，且电浆阻离堰的宽度不超过30微米，高度不超过60微米。
  3. 根据权利要求1所述的一种高分辨率的显示电浆模组，其特征在于：所述电浆阻离堰阵列(14)中的电浆阻离堰的材料为丙烯酸树脂、聚氨酯树脂、环氧树脂、有机硅树脂或玻璃。
  4. 根据权利要求1所述的一种高分辨率的显示电浆模组，其特征在于：所述像素电极(13)内嵌在TFT玻璃基板(7)上，且像素电极(13)与显示电浆(3)间通过遮光绝缘胶水层(5)黏附。
  5. 根据权利要求1所述的一种高分辨率的显示电浆模组，其特征在于：所述显示电浆(3)与透明电极(1)间、所述衬垫边框(6)与透明电极(1)间均设有导电层(2)，所述衬垫边框(6)与导电层(2)间、所述显示电浆(3)边缘与导电层(2)间均设有显示区保护层(8)。
  6. 根据权利要求1所述的一种高分辨率的显示电浆模组，其特征在于：所述显示电浆(3)的厚度在2-70微米之间，且显示电浆(3)中电泳液的粘度为100-100000厘泊，所述显示电浆(3)中包含至少两种不同光电性能的电泳粒子。
  7. 根据权利要求1所述的一种高分辨率的显示电浆模组，其特征在于：所述衬垫边框(6)和显示电浆(3)中可添加支撑微球(4)，所述支撑微球(4)的材料包括树脂微球、玻璃微球，且支撑位球(4)的直径为2-60微米。
  8. 一种高分辨率的显示电浆模组制造方法，其特征是，包括如下步骤：
    步骤一.在所述像素电极(13)上预先制备好电浆阻离堰阵列(14)；
    步骤二.将像素电极(13)嵌入TFT玻璃基板(7)内，并将TFT玻璃基板(7)放置在点胶平台上；
    步骤三.在像素电极(13)上点封框胶，形成衬垫边框(6)；
    步骤四.在衬垫边框(6)内丝印显示电浆(3)；
    步骤五.在衬垫边框(6)内涂覆导电银浆(10)；
    步骤六.将导电层(2)、透明电极(1)与显示区保护层(8)压合在整个衬垫边框(6)上，并进行固化；
    步骤七.切割掉部分透明电极(1)、导电层(2)和显示区保护层(8)，露出像素电极(13)上集成电路模块IC(11)绑定的预定位置；
    步骤八.集成电路模块IC(11)和柔性电路板(12)均通过导电胶条粘附在像素电极(13)的边缘；
    步骤九.将集成电路模块IC(11)、柔性电路板(12)和导电胶条周围通过蓝胶(9)固封在像素电极(13)上，完成电子墨水显示屏的制造。
  9. 根据权利要求8所述的一种高分辨率的显示电浆模组制造方法，其特征在于：所述步骤一中，所述像素电极(13)表面可预先涂覆好遮光绝缘胶水层(5)，在所述绝缘胶水层(5)上可预先涂覆好支撑微球(4)。
  10. 根据权利要求8所述的一种高分辨率的显示电浆模组制造方法，其特征在于：所述步骤一中，所述电浆阻离堰阵列(14)通过印刷、涂布或点胶方式涂覆在像素电极(13)表面，再通过光固化的、热固化或者湿气固化，或者通过物理生长、化学生长方式实现。
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EP3543784B1 (en) 2023-02-22
TW201932958A (zh) 2019-08-16
KR102242292B1 (ko) 2021-04-21
EP3543783A1 (en) 2019-09-25
JP2020507791A (ja) 2020-03-12
EP3543783A4 (en) 2020-09-02
EP3543784A4 (en) 2020-09-02
EP3543784A1 (en) 2019-09-25
KR20210043719A (ko) 2021-04-21
US20210327672A1 (en) 2021-10-21
TWI740040B (zh) 2021-09-21
US11657998B2 (en) 2023-05-23
US11430626B2 (en) 2022-08-30
KR20190089148A (ko) 2019-07-30
JP2020506410A (ja) 2020-02-27
EP3543783B1 (en) 2022-04-20
TW201932957A (zh) 2019-08-16
KR20190090370A (ko) 2019-08-01
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