WO2010058900A2 - 전자 종이 입자 및 그 제조 방법 - Google Patents

전자 종이 입자 및 그 제조 방법 Download PDF

Info

Publication number
WO2010058900A2
WO2010058900A2 PCT/KR2009/005025 KR2009005025W WO2010058900A2 WO 2010058900 A2 WO2010058900 A2 WO 2010058900A2 KR 2009005025 W KR2009005025 W KR 2009005025W WO 2010058900 A2 WO2010058900 A2 WO 2010058900A2
Authority
WO
WIPO (PCT)
Prior art keywords
electronic paper
particles
pigment
control agent
charge control
Prior art date
Application number
PCT/KR2009/005025
Other languages
English (en)
French (fr)
Korean (ko)
Other versions
WO2010058900A3 (ko
Inventor
윤상수
전용하
한상권
양중근
Original Assignee
에스케이 텔레콤주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 에스케이 텔레콤주식회사 filed Critical 에스케이 텔레콤주식회사
Priority to JP2011537343A priority Critical patent/JP5265780B2/ja
Priority to CN2009801459892A priority patent/CN102216844A/zh
Publication of WO2010058900A2 publication Critical patent/WO2010058900A2/ko
Publication of WO2010058900A3 publication Critical patent/WO2010058900A3/ko

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/04—Making microcapsules or microballoons by physical processes, e.g. drying, spraying
    • B01J13/043—Drying and spraying
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/122—Pulverisation by spraying
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • 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
    • G02F2001/1678—Constructional details characterised by the composition or particle type

Definitions

  • the present invention relates to an electronic paper particle and a method of manufacturing the same, and more particularly, to produce an injection composition by dispersing an electronic paper particle composition including a polymer resin, a charge control agent, a pigment in a solvent, and the injection composition
  • the present invention relates to a method for producing electronic paper particles including the steps of generating droplets by spraying at a predetermined pressure, drying the droplets, and obtaining electronic paper particles from the dried droplets, and thereby electronic paper particles.
  • Electronic paper is a tool for displaying digital information such as text and images handled on an electronic device as it can feel the paper as it is.
  • electronic paper electronic-paper (electronic-paper), paper-like display (paper like display), electronic books, electronic newspapers, etc. is used.
  • Electronic paper is a soft liquid crystal screen that can be folded or rolled like a normal paper, and it has the feature of not only displaying information but also freely writing and erasing and storing data.
  • the implementation of electronic paper can be classified into paper display technology based on existing display technology such as liquid crystal and paper display technology based on new technology having paper texture.
  • existing display technology such as liquid crystal
  • paper display technology based on new technology having paper texture.
  • There are various types of electronic paper but there are limitations in presenting electronic paper having a paper texture as a display device such as liquid crystal.
  • Electrophoretic display one of the methods of implementing paper texture of electronic paper, uses the electrophoretic phenomenon, which is a phenomenon in which charged particles are moved by an applied electric field in a state in which a charged particle is dispersed in a fluid, and shapes or letters are repeated. Indicates a reflective display that can be filled in and erased. Electrophoresis is divided into in-plane method and capsule type.
  • FIG. 1 is a view for explaining the In-Plane method of the electrophoresis method. Referring to Figure 1, it is characterized in that the charged black moving particles are moved horizontally on a flat plate. When an electrode having a different area is provided in one pixel and a voltage is applied, the charged black white electrophoretic particles are electrostatically adsorbed and coated on the surface according to their polarities. However, this may be a problem of the stability of the display, in order to solve this microcapsule type has been proposed.
  • FIG. 2 is a diagram illustrating an encapsulated type of electrophoretic method, wherein a micro-encapsulated electrophoretic display (MEPD) is a device that depends on electrostatic movement of particles suspended in a transparent suspension.
  • MEPD micro-encapsulated electrophoretic display
  • the suspension polymerization process or emulsion polymerization process mainly requires a stabilizer or an emulsifier because it is a method of dispersing and polymerizing monomers (eg, oils) that are insoluble in water.
  • the stabilizer is a substance added to prevent state changes or chemical changes.
  • the emulsifier is also referred to as an emulsifying agent, the oily polymer component having a particle form in the water phase is essential to maintain the stability of the particles when polymerization occurs, water-soluble polymers or surfactants Used.
  • Such stabilizers or emulsifiers remove the stabilizers or emulsifiers through a washing process in the step of obtaining the electronic paper particles.
  • Such stabilizers or emulsifiers have very strong hydrophilicity or water absorbency, and have the property of lowering the charge amount of charged particles.
  • the method for producing an electronic paper particle dispersing the electronic paper particle composition containing a polymer resin, a charge control agent, a pigment with a solvent to produce a spray composition, and Spraying the composition at a predetermined pressure to generate droplets, drying the droplets, and obtaining electronic paper particles from the dried droplets.
  • the polymer resin comprises one of a styrene-acrylic copolymer and a polyester resin
  • the charge control agent includes at least one of a positive charge control agent and a negative charge control agent.
  • the pigment is characterized in that it comprises at least one of a white pigment and a black pigment, in particular the white pigment is characterized in that the titanium dioxide, the black pigment comprises carbon black.
  • the solvent is characterized in that the organic solvent, the organic solvent is methyl acetate, ethyl acetate, isopropyl acetate, methyl ethyl ketone, dimethyl ether, diethyl ether, 1,1-dichloroethane, 1,2-dichloroe And one or at least two mixtures selected from carbon, dichloromethane, chloroform hexane, heptane, cyclohexane, toluene and xylene.
  • the organic solvent is methyl acetate, ethyl acetate, isopropyl acetate, methyl ethyl ketone, dimethyl ether, diethyl ether, 1,1-dichloroethane, 1,2-dichloroe
  • the predetermined pressure is characterized in that the pressure of 2MPa to 10MPa
  • the viscosity of the spray composition is characterized in that the viscosity of 10cPs to 1000cPs at room temperature.
  • the present invention has the advantage that the charge stability and environmental stability of the electronic paper particles are ensured by preparing the electronic paper particles without a stabilizer or emulsifier.
  • the present invention has the advantage that does not require a separate washing or drying process for the removal of stabilizers or emulsifiers in the process of producing electronic paper particles.
  • FIG. 1 is a schematic diagram showing a conventional in-plane electrophoretic electronic paper.
  • Figure 2 is a schematic diagram showing a microcapsule type electrophoretic electronic paper of the prior art.
  • FIG. 3 is a flowchart illustrating an operation of manufacturing electronic paper particles according to an embodiment of the present invention.
  • the present invention provides a method for producing electronic paper particles.
  • the present invention provides a method for producing electronic paper particles in which the electronic paper particle composition is dispersed in a solvent to form a spray composition, the spray composition is dispersed to make droplets, and dried to obtain electronic paper particles from the dried droplets.
  • the polymer resin comprises one of a styrene-acrylic copolymer and a polyester resin
  • the charge control agent includes at least one of a positive charge control agent and a negative charge control agent.
  • the pigment is characterized in that it comprises at least one of a white pigment and a black pigment, in particular the white pigment is characterized in that the titanium dioxide, the black pigment comprises carbon black.
  • the solvent is characterized in that the organic solvent, the organic solvent is methyl acetate, ethyl acetate, isopropyl acetate, methyl ethyl ketone, dimethyl ether, diethyl ether, 1,1-dichloroethane, 1,2-dichloroe And one or at least two mixtures selected from carbon, dichloromethane, chloroform hexane, heptane, cyclohexane, toluene and xylene.
  • the organic solvent is methyl acetate, ethyl acetate, isopropyl acetate, methyl ethyl ketone, dimethyl ether, diethyl ether, 1,1-dichloroethane, 1,2-dichloroe
  • the predetermined pressure is characterized in that the pressure of 2MPa to 10MPa
  • the viscosity of the spray composition is characterized in that the viscosity of 10cPs to 1000cPs at room temperature.
  • Electronic paper particles produced in the present invention can be inserted into the electronic paper to display digital information.
  • FIG. 3 is a flowchart illustrating an operation of manufacturing electronic paper particles according to an embodiment of the present invention.
  • the electronic paper particle composition is dispersed using a solvent to generate a spray composition, and the process proceeds to step 113.
  • the electronic paper particle composition includes a polymer resin, a charge control agent, and a pigment.
  • the polymer resin may serve as a binder.
  • the polymer resin may have a thermoplastic or a polymer resin having a low molecular weight and which is easy to mold.
  • the polymer resin includes one of a styrene-acryl copolymer and a polyester resin, in addition to the styrene-butadiene copolymer. May be used.
  • the charge control agent includes at least one of a positive charge control agent and a negative charge control agent.
  • the positive charge control agent includes a azine type, quaternary ammonium salt, and a positive charge plasticizer
  • the negative charge control agent is based on tert-butyl zinc sylicylate (eg, tert butyl).
  • Zinc salicylate tert-butyl zinc sylicylate
  • tert-butyl calcium sylicylate azo- and negatively charged plasticizers.
  • the negatively charged plasticizers include E-88 (Morflex 130) and E-80 (Kesscoflex DBT; Kescoflex DBT) sold by Orient Chemical Co., Ltd., Japan.
  • the charge control agent is added for the purpose of controlling the amount of charge of the electronic paper particles obtainable by the present invention, it is preferable to add the charge control agent in an amount of 0.01-5%. If the content is less than 0.01% charge rate is slow and the charge amount may be difficult to control the charge, if the content is more than 5% there is a problem that the amount of the charge is too much to increase the stability of the particles.
  • the pigment includes at least one of a white pigment and a black pigment.
  • the white pigment comprises titanium dioxide (TiO 2)
  • the black pigment comprises carbon black.
  • the pigment is appropriately selected by the interaction between the crystal structure of the pigment, the crystal size, the physicochemical structure of the chemical composition increase and the physicochemical structure of the polymer resin mixed therewith.
  • the solvent includes an organic solvent, wherein the organic solvent is methyl acetate, ethyl acetate, isopropyl acetate, methyl ethyl ketone, dimethyl ether, diethyl ether, 1,1-dichloroethane, 1,2-dichloroethane, One or at least two mixtures selected from dichloromethane, chloroform hexane, heptane, cyclohexane, toluene, xylene. As long as the solvent is in a volatilizable state, both polar and nonpolar solvents may be used without limitation.
  • the viscosity of the spray composition preferably has a viscosity of 10 cPs to 1000 cPs at room temperature. In this case, if the viscosity of the composition is lower than 10 cPs, it is difficult to control the composition. If the viscosity is higher than 1000 cPS, the nozzle may be blocked during spraying.
  • the spray composition is sprayed at a predetermined pressure to generate droplets, and the process proceeds to step 115.
  • the spraying composition may be sprayed using at least one nozzle (for example, a weaning body nozzle), and the pressure for spraying the spraying composition is a pressure of 2 MPa to 10 MPa.
  • the shape and quantity of the composition are most easily controlled. Specifically, when the spray pressure is lower than 2MPa, it is impossible to spray the composition corresponding to the viscosity of 10cPs to 1000cPs.If the spray pressure is higher than 10MPa, the droplets may be irregular in shape, even when spraying the composition. A problem arises that cannot be obtained.
  • step 115 the droplets are dried and the process proceeds to step 117.
  • the spray composition dissolved in the solvent is sprayed through a nozzle to generate droplets, and when the solvent is volatilized and dried using hot air or the like, the remaining solids form a shape. In air, the solid is generally deformed into a sphere by interfacial tension with air.
  • the shape of the resulting droplets can be variously changed, resulting in non-spherical solidification.
  • the drying step includes all physical and chemical drying methods by known methods. For example, using high-temperature air corresponding to a temperature range of 50 to 120 °C can be dried droplets by effectively removing the solvent. At this time, if the temperature of the air is too low, the droplets are not completely dry, and if the temperature is too high, the solvent evaporates at once, so that it is difficult to control the shape and shape of the droplets, which corresponds to the temperature range of 50 to 120 ° C. It is preferable to dry using air.
  • Electronic paper particles are obtained from the droplets dried in step 117.
  • the particles of the electronic paper according to the present invention are preferably positively or negatively charged according to the color of the pigment.
  • a white pigment and a negative charge control agent are added to the polymer resin.
  • black pigment and positive charge control agent there is a method of adding black pigment and positive charge control agent to the polymer resin.
  • Electronic paper is produced by applying a known electronic paper manufacturing technique such as electrophoretic, particle rotary or dry mobile to the electronic paper particles obtained by the present invention.
  • the electronic paper particle manufacturing method may be implemented through a separate electronic paper particle manufacturing apparatus, etc.
  • the electronic paper particle manufacturing apparatus includes a spray composition generator, an injector, a droplet drier, and a particle obtainer.
  • the spray composition generator produces a spray composition by dispersing the electronic paper particle composition using a solvent.
  • the spraying composition generator, the electronic paper particle composition comprises a polymer resin, a charge control agent, a pigment.
  • the polymer resin includes one of a styrene-acryl copolymer and a polyester resin.
  • the polymer resin is sufficient to be able to play a role (binder), for this purpose it is better to have a thermoplastic, or a polymer resin is easy to mold because the molecular weight is small.
  • the polymer resin includes one of a styrene-acryl copolymer and a polyester resin, in addition to the styrene-butadiene copolymer. May be used.
  • the charge control agent includes at least one of a positive charge control agent and a negative charge control agent.
  • the positive charge control agent includes a azine type, quaternary ammonium salt, and a positive charge plasticizer
  • the negative charge control agent is based on tert-butyl zinc sylicylate (eg, tert butyl).
  • Zinc salicylate tert-butyl zinc sylicylate
  • tert-butyl calcium sylicylate azo- and negatively charged plasticizers.
  • the negatively charged plasticizers include E-88 (Morflex 130) and E-80 (Kesscoflex DBT; Kescoflex DBT) sold by Orient Chemical Co., Ltd., Japan.
  • the charge control agent in an amount of 0.01-5%, and if the content is less than 0.01%, there may be a problem that the charging speed is slow and the charging amount is not large. When the content is more than 5%, the charge amount is excessively increased. There is a problem of falling stability.
  • the pigment includes at least one of a white pigment and a black pigment.
  • the white pigment comprises titanium dioxide (TiO 2)
  • the black pigment comprises carbon black.
  • the pigment is appropriately selected by the interaction between the crystal structure of the pigment, the crystal size, the physicochemical structure of the chemical composition increase and the physicochemical structure of the polymer resin mixed therewith.
  • the solvent includes an organic solvent, wherein the organic solvent is methyl acetate, ethyl acetate, isopropyl acetate, methyl ethyl ketone, dimethyl ether, diethyl ether, 1,1-dichloroethane, 1,2-dichloroethane, One or at least two mixtures selected from dichloromethane, chloroform hexane, heptane, cyclohexane, toluene, xylene. As long as the solvent is in a volatilizable state, both polar and nonpolar solvents may be used without limitation.
  • the viscosity of the spray composition preferably has a viscosity of 10 cPs to 1000 cPs for easy control of the composition at room temperature. This is because if the viscosity of the composition is lower than 10 cPs, it is difficult to control the composition. If the viscosity is higher than 1000 cPS, the nozzle may be clogged during spraying.
  • the injector injects the composition for injection at a predetermined pressure to generate droplets.
  • the injector comprises at least one nozzle (eg, weaning nozzle).
  • the injector sprays the spray composition using the nozzle, and sprays the spray composition at a pressure of 2 MPa to 10 MPa.
  • a pressure of 2 MPa to 10 MPa At this time, when spraying at the above-mentioned injection pressure, the shape and quantity of the composition are most easily controlled. Specifically, when the spray pressure is lower than 2MPa, it is impossible to spray the composition corresponding to the viscosity of 10cPs to 1000cPs.If the spray pressure is higher than 10MPa, the droplets may be irregular in shape, even when spraying the composition. A problem arises that cannot be obtained.
  • the droplet dryer dries the droplets.
  • the dryer may dry the droplets by providing a high temperature air of 50 to 120 °C to effectively remove the solvent. At this time, if the temperature of the air is too low, the droplets are not completely dry, and if the temperature is too high, the solvent evaporates at once, so that it is difficult to control the shape and shape of the droplets, which corresponds to the temperature range of 50 to 120 ° C. It is preferable to dry using air.
  • the particle obtainer obtains electronic paper particles from the droplets dried in the droplet drier.
  • the spray composition dissolved in the solvent is sprayed through a nozzle to generate droplets, and when the solvent is volatilized and dried using hot air or the like, the remaining solids form a shape. In air, the solid is generally deformed into a sphere by interfacial tension with air. However, when two or more of the weaning body nozzles are used, the shape of the resulting droplets can be variously changed, resulting in non-spherical solidification.
  • the particles of the electronic paper according to the present invention are preferably positively or negatively charged depending on the color of the pigment.
  • a polymer resin, a white pigment and a negative charge control agent are added.
  • positively charged black particles there are methods such as adding a polymer resin, a black pigment and a positive charge control agent.
  • the electronic paper particle composition is dispersed in a solvent to form a spray composition.
  • the electronic paper particle composition includes a polymer resin and a charge control pigment.
  • the polymer resin a styrene-acryl copolymer is used, and as a charge control agent, p-50, which is a kind of a positively charged plasticizer, is added in 0.5% content, and the pigment is carbon black, which is a black pigment. (carbon black) is used.
  • the jetting composition is dispersed with the pressure of the weaning body nozzle at 3 MPa to form droplets.
  • the droplets are dried until the solvent content is 1% or less, and electronic paper particles are obtained from the dried droplets.
  • the electronic paper particle composition is dispersed in a solvent to form a spray composition.
  • the electronic paper particle composition includes a polymer resin and a charge control pigment.
  • the polymer resin polyester resin is used, and as the charge control agent, 0.5% of E-88 (Morflex 130), which is a kind of negatively charged plasticizer sold by Orient Chemical, Japan
  • the pigment is used as a white pigment titanium dioxide (TiO2).
  • the jetting composition is dispersed at a pressure of 5 MPa for the weaning nozzle to form droplets.
  • the electronic paper particle composition is dispersed in a solvent to form a spray composition.
  • the electronic paper particle composition includes a polymer resin and a charge control pigment.
  • Styrene-butadiene copolymer is used as the polymer resin, and as a charge control agent, E-80 (Kesscoflex DBT; Kescoplex DBT), which is a kind of negatively charged plasticizer, is added at a content of 0.5%.
  • E-80 Kerscoflex DBT; Kescoplex DBT
  • the pigment uses titanium dioxide (TiO2) which is a white pigment.
  • the jetting composition is dispersed at a pressure of 4 MPa for the weaning nozzle to form droplets.
  • the electronic paper particles of the present invention and the method of manufacturing the same can be applied to an electronic paper manufacturing technique, and are useful for producing electronic paper particles having guaranteed charge stability and environmental stability by manufacturing electronic paper particles without a stabilizer or an emulsifier. Are utilized.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paper (AREA)
PCT/KR2009/005025 2008-11-18 2009-09-04 전자 종이 입자 및 그 제조 방법 WO2010058900A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011537343A JP5265780B2 (ja) 2008-11-18 2009-09-04 電子ペーパー粒子及びその製造方法
CN2009801459892A CN102216844A (zh) 2008-11-18 2009-09-04 用于电子纸的颗粒及其制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0114345 2008-11-18
KR1020080114345A KR101306804B1 (ko) 2008-11-18 2008-11-18 전자 종이 입자 및 그 제조 방법

Publications (2)

Publication Number Publication Date
WO2010058900A2 true WO2010058900A2 (ko) 2010-05-27
WO2010058900A3 WO2010058900A3 (ko) 2010-07-15

Family

ID=42198616

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/005025 WO2010058900A2 (ko) 2008-11-18 2009-09-04 전자 종이 입자 및 그 제조 방법

Country Status (4)

Country Link
JP (1) JP5265780B2 (zh)
KR (1) KR101306804B1 (zh)
CN (1) CN102216844A (zh)
WO (1) WO2010058900A2 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101133071B1 (ko) * 2010-06-29 2012-04-04 주식회사 이미지앤머터리얼스 전기영동 입자, 이를 포함하는 전기영동 매체 및 전기영동 디스플레이
KR101171873B1 (ko) * 2010-06-29 2012-08-07 주식회사 이미지앤머터리얼스 전기영동 입자, 이를 포함하는 전기영동 매체 및 전기영동 디스플레이
KR101339330B1 (ko) * 2011-12-28 2013-12-09 엘지디스플레이 주식회사 전기영동 입자, 이의 제조 방법 및 이를 갖는 전기영동 표시 장치
KR101960369B1 (ko) * 2011-12-28 2019-03-21 엘지디스플레이 주식회사 전기영동 표시소자 및 그 제조 방법
CN109917599A (zh) * 2019-03-15 2019-06-21 广州奥翼电子科技股份有限公司 一种电泳显示液及其制备方法及电泳显示器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040084818A (ko) * 2003-03-26 2004-10-06 다이셀 가가꾸 고교 가부시끼가이샤 마이크로 캡슐 및 그의 제조 방법
KR20060124035A (ko) * 2005-05-30 2006-12-05 엘지전자 주식회사 전기영동 디스플레이용 컬러 마이크로캡슐 및 그 제조방법
KR100711746B1 (ko) * 2005-04-19 2007-04-25 세이코 엡슨 가부시키가이샤 전기영동 입자의 제조 방법, 전기영동 표시 디바이스의제조 방법, 전자 기기의 제조 방법, 전기영동 입자,전기영동 표시 디바이스, 및 전자 기기
JP2007275812A (ja) * 2006-04-10 2007-10-25 Ricoh Co Ltd マイクロカプセルシートの製造方法および製造装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001329067A (ja) * 2000-05-19 2001-11-27 Mitsubishi Rayon Co Ltd アクリル系重合体の製造方法
JP2004198973A (ja) * 2002-12-20 2004-07-15 Fuji Xerox Co Ltd 表示デバイス用粒子、画像表示媒体および画像形成装置
JP4175122B2 (ja) * 2003-01-22 2008-11-05 セイコーエプソン株式会社 トナーの製造方法およびトナー
EP1772769A4 (en) * 2004-07-26 2008-03-05 Bridgestone Corp PANEL FOR DISPLAYING INFORMATION AND DISPLAYING INFORMATION
JP4759726B2 (ja) * 2005-02-17 2011-08-31 国立大学法人神戸大学 ２領域微粒子の製造方法
CN100432817C (zh) * 2005-04-19 2008-11-12 精工爱普生株式会社 电泳粒子的制造方法、电泳分散液、微囊、电泳显示装置和电子机器
JP2007197632A (ja) * 2006-01-30 2007-08-09 Hitachi Chem Co Ltd 高分子粒子分散物とその製造方法およびそれを用いた表示素子

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040084818A (ko) * 2003-03-26 2004-10-06 다이셀 가가꾸 고교 가부시끼가이샤 마이크로 캡슐 및 그의 제조 방법
KR100711746B1 (ko) * 2005-04-19 2007-04-25 세이코 엡슨 가부시키가이샤 전기영동 입자의 제조 방법, 전기영동 표시 디바이스의제조 방법, 전자 기기의 제조 방법, 전기영동 입자,전기영동 표시 디바이스, 및 전자 기기
KR20060124035A (ko) * 2005-05-30 2006-12-05 엘지전자 주식회사 전기영동 디스플레이용 컬러 마이크로캡슐 및 그 제조방법
JP2007275812A (ja) * 2006-04-10 2007-10-25 Ricoh Co Ltd マイクロカプセルシートの製造方法および製造装置

Also Published As

Publication number Publication date
CN102216844A (zh) 2011-10-12
KR101306804B1 (ko) 2013-09-10
JP2012509384A (ja) 2012-04-19
KR20100055559A (ko) 2010-05-27
JP5265780B2 (ja) 2013-08-14
WO2010058900A3 (ko) 2010-07-15

Similar Documents

Publication Publication Date Title
WO2010058900A2 (ko) 전자 종이 입자 및 그 제조 방법
US7550101B2 (en) Two-particle electrophoretic ink for microencapsulated flexible electronic display
CN101075068B (zh) 电泳显示介质、器件和采用这种器件显示图像的方法
CN101093337A (zh) 包含耐溶剂的乳液聚集粒子的电泳显示介质
JP2019510994A (ja) 電気泳動ディスプレイをシーリングするためのポリヒドロキシ組成物
JP2007310402A (ja) 電気泳動ディスプレイ装置
JP2011180620A (ja) 電気泳動ディスプレイおよび材料
JP2007310399A (ja) 電気泳動ディスプレイ媒体
JP2007310401A (ja) 電気泳動ディスプレイ媒体
CN101075059B (zh) 电泳显示介质、器件和采用这种器件显示图像的方法
CN108138038A (zh) 改善的低温电泳介质
KR20080103918A (ko) 전자 종이 디스플레이의 제조방법
JP2005300969A (ja) 電気泳動粒子、電気泳動分散液及びそれらを用いた電気泳動表示素子
CN102411243A (zh) 显示媒介和显示装置
US6335818B1 (en) Bichromal beads having electrolytes therein
KR100208629B1 (ko) 기록용 시트
CN102841475B (zh) 可切换式颗粒型显示器的制造方法
CN109656077A (zh) 可拉伸彩色电子纸及自供电可拉伸彩色电子纸
US12007630B2 (en) Switching fibers for textiles
CN102411244A (zh) 显示媒介和显示装置
CN101353395A (zh) 一种功能性红色微球及其制备方法
CN101386660B (zh) 一种功能化二氧化钛复合微球及其制备方法
JPS62183439A (ja) 電気泳動表示素子
JP2008310003A (ja) 表示媒体、及び表示装置
CN104136552A (zh) 通过在有机介质中的聚合反应封装无机颜料的方法

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200980145989.2

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09827665

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2011537343

Country of ref document: JP

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 12.09.2011)

122 Ep: pct application non-entry in european phase

Ref document number: 09827665

Country of ref document: EP

Kind code of ref document: A2