EP1810076A1 - Dispositif d'affichage a matrice passive electrochromatique comprenant un electrolyte pouvant etre structure - Google Patents

Dispositif d'affichage a matrice passive electrochromatique comprenant un electrolyte pouvant etre structure

Info

Publication number
EP1810076A1
EP1810076A1 EP05803208A EP05803208A EP1810076A1 EP 1810076 A1 EP1810076 A1 EP 1810076A1 EP 05803208 A EP05803208 A EP 05803208A EP 05803208 A EP05803208 A EP 05803208A EP 1810076 A1 EP1810076 A1 EP 1810076A1
Authority
EP
European Patent Office
Prior art keywords
electrolyte
structured
electrochromic
electrochromic device
pixels
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP05803208A
Other languages
German (de)
English (en)
Inventor
Christoph Brabec
Jens Hauch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens 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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP1810076A1 publication Critical patent/EP1810076A1/fr
Withdrawn legal-status Critical Current

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 
    • G02F1/15—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 an electrochromic effect
    • G02F1/153—Constructional details
    • 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
    • G02F1/133377—Cells with plural compartments or having plurality of liquid crystal microcells partitioned by walls, e.g. one microcell per pixel

Definitions

  • Electrochromic display units consist of at least fol ⁇ constricting three layers of an active electrochromic layer changes color due to oxidation or reduction, ei ⁇ ne electrolyte layer which transports ions for the oxidation or reduction, and an ion storage layer, which store the ions or release.
  • the electrochromic layer and the Io ⁇ may be carried out simultaneously nen aside as electrodes.
  • a major problem with passive matrix displays is the cross-talk, the crosstalk between the individual pixels.
  • the object of the invention is to prevent crosstalk between individual pixels in electrochromic systems.
  • an electrochromic device in particular ⁇ sondere several ⁇ re pixel an electrochromic display, an electrolyte and on.
  • the electrolyte is structured so that Zvi ⁇ rule is the pixels no electrolyte compound.
  • the electrolyte is designed in particular as an electrolyte layer distributed over the pixels.
  • the electrolyte is preferably structured by screen printing, stencil printing, inkjet printing, auto-assembly and / or photo-structuring.
  • the electrochromic device may be constructed in particular so that the dye and the electrolyte are combined in a material mitein ⁇ other.
  • a method for producing an electrochromic component, in particular an electrochromic display results in its advantageous embodiments analogously to the types of the electrochromic component just described and vice versa.
  • the electrolyte of the structure of each pixel is gen nachfol ⁇ . Due to the structuring of the electrolyte transverse movement of the ions is prevented in the electrolyte between the pixels and at the same time an increased Potentialun ⁇ is ter Kunststoff possible between adjacent pixels, since the lines are not electrically connected through the electrolyte connected to each other. Thereby, the switching on and off of the individual Pi ⁇ xel is possible without at the same award, the adjacent pixels at ⁇ .
  • a structured electrolyte is therefore used in such a way that there is no electrolyte connection between two or more pixels.
  • the electrochromic device may, for example, as a passive maxtrix display with screen printed electrolyte schablonenge ⁇ tiktem electrolyte tintenstrahlschem electrolyte, self-assembling electrolyte and / or photo-structurable electrolyte.
  • All embodiments may be turned an ⁇ both to the described prior art classical electrochromic displays, as well as electrochromic displays that are based on ion-conductive polymers in which a redox group and a dye are coupled directly to the electrolyte molecule ge ⁇ . These are, for example, the electrochromic colors as known from WO 02/075441 A2.
  • ⁇ elements constituting this second alternative differs from conventional electrochromic display in that here only lead electrodes are required, for example of ITO (Indi ⁇ umzinnoxid), as dye and electrolyte are combined in one material with each other.

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

Selon l'invention, dans un composant électrochromatique, l'électrolyte est structuré, de manière à ce qu'aucune liaison avec l'électrolyte n'apparaisse entre les pixels du composant.
EP05803208A 2004-11-10 2005-10-31 Dispositif d'affichage a matrice passive electrochromatique comprenant un electrolyte pouvant etre structure Withdrawn EP1810076A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004054377 2004-11-10
PCT/EP2005/055672 WO2006051050A1 (fr) 2004-11-10 2005-10-31 Dispositif d'affichage a matrice passive electrochromatique comprenant un electrolyte pouvant etre structure

Publications (1)

Publication Number Publication Date
EP1810076A1 true EP1810076A1 (fr) 2007-07-25

Family

ID=35520183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05803208A Withdrawn EP1810076A1 (fr) 2004-11-10 2005-10-31 Dispositif d'affichage a matrice passive electrochromatique comprenant un electrolyte pouvant etre structure

Country Status (2)

Country Link
EP (1) EP1810076A1 (fr)
WO (1) WO2006051050A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332440A (en) * 1980-03-17 1982-06-01 Bell Telephone Laboratories, Incorporated Structure of display devices
US5189549A (en) * 1990-02-26 1993-02-23 Molecular Displays, Inc. Electrochromic, electroluminescent and electrochemiluminescent displays
TW574513B (en) * 2001-03-19 2004-02-01 Dow Global Technologies Inc Electrochromic display device and compositions useful in making such devices
TWI300157B (en) * 2002-09-10 2008-08-21 Sipix Imaging Inc Electrochromic or electrodeposition display and process for their preparation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006051050A1 *

Also Published As

Publication number Publication date
WO2006051050A1 (fr) 2006-05-18

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