WO2001002899A3 - Electrophoretic medium provided with spacers - Google Patents

Electrophoretic medium provided with spacers Download PDF

Info

Publication number
WO2001002899A3
WO2001002899A3 PCT/US2000/017944 US0017944W WO0102899A3 WO 2001002899 A3 WO2001002899 A3 WO 2001002899A3 US 0017944 W US0017944 W US 0017944W WO 0102899 A3 WO0102899 A3 WO 0102899A3
Authority
WO
WIPO (PCT)
Prior art keywords
spacers
capsules
electrophoretic medium
medium provided
medium
Prior art date
Application number
PCT/US2000/017944
Other languages
French (fr)
Other versions
WO2001002899A2 (en
Inventor
Jonathan D Albert
Original Assignee
E Ink Corp
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 E Ink Corp filed Critical E Ink Corp
Priority to AT00943302T priority Critical patent/ATE502320T1/en
Priority to AU57792/00A priority patent/AU5779200A/en
Priority to DE60045738T priority patent/DE60045738D1/en
Priority to EP00943302A priority patent/EP1192504B1/en
Priority to JP2001508641A priority patent/JP5394601B2/en
Publication of WO2001002899A2 publication Critical patent/WO2001002899A2/en
Publication of WO2001002899A3 publication Critical patent/WO2001002899A3/en

Links

Classifications

    • 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
    • G02F1/16757—Microcapsules
    • 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

Abstract

An encapsulated electrophoretic medium comprises a layer of capsules, each of these capsules comprising a liquid and at least one particle disposed within the liquid and capable of movement upon application of an electric field to the medium. A plurality of spacers are dispersed among the capsules. The medium can be formed by coating a mixture of capsules and spacers on a substrate, or by first coating the capsules and thereafter incorporating the spacers into the layer of capsules.
PCT/US2000/017944 1999-07-01 2000-06-29 Electrophoretic medium provided with spacers WO2001002899A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT00943302T ATE502320T1 (en) 1999-07-01 2000-06-29 ELECTROPHORETIC MEDIUM PROVIDED WITH SPACERS
AU57792/00A AU5779200A (en) 1999-07-01 2000-06-29 Electrophoretic medium provided with spacers
DE60045738T DE60045738D1 (en) 1999-07-01 2000-06-29 ELECTROPHORETIC MEDIA PROVIDE SPACING ELEMENTS
EP00943302A EP1192504B1 (en) 1999-07-01 2000-06-29 Electrophoretic medium provided with spacers
JP2001508641A JP5394601B2 (en) 1999-07-01 2000-06-29 Electrophoretic medium provided with spacer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14200399P 1999-07-01 1999-07-01
US60/142,003 1999-07-01

Publications (2)

Publication Number Publication Date
WO2001002899A2 WO2001002899A2 (en) 2001-01-11
WO2001002899A3 true WO2001002899A3 (en) 2001-05-25

Family

ID=22498168

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/017944 WO2001002899A2 (en) 1999-07-01 2000-06-29 Electrophoretic medium provided with spacers

Country Status (7)

Country Link
US (1) US6392786B1 (en)
EP (1) EP1192504B1 (en)
JP (2) JP5394601B2 (en)
AT (1) ATE502320T1 (en)
AU (1) AU5779200A (en)
DE (1) DE60045738D1 (en)
WO (1) WO2001002899A2 (en)

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