FR2402910A1 - ELECTROCHROMATIC INDICATOR DEVICE - Google Patents

ELECTROCHROMATIC INDICATOR DEVICE

Info

Publication number
FR2402910A1
FR2402910A1 FR7824905A FR7824905A FR2402910A1 FR 2402910 A1 FR2402910 A1 FR 2402910A1 FR 7824905 A FR7824905 A FR 7824905A FR 7824905 A FR7824905 A FR 7824905A FR 2402910 A1 FR2402910 A1 FR 2402910A1
Authority
FR
France
Prior art keywords
layer
electrochromatic
cell
indicator device
conductive liquid
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.)
Pending
Application number
FR7824905A
Other languages
French (fr)
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
Original Assignee
Siemens AG
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 filed Critical Siemens AG
Publication of FR2402910A1 publication Critical patent/FR2402910A1/en
Pending 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
    • G02F1/1533—Constructional details structural features not otherwise provided for

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

La cellule du dispositif selon l'invention a une structure en couches; elle comporte deux électrodes transparentes se faisant face à une certaine distance et pouvant être commandées électriquement; une couche électrochromatique et une couche de liquide électrolytiquement conducteur 12 se trouvent entre ces deux électrodes. Pour augmenter la durée de vie de la cellule, suivant l'invention la couche de liquide électrolytiquement conducteur se compose d'une matière fibreuse céramique imbibée d'électrolyte et ayant un indice de réfraction supérieur à 2, comme par exemple la zircone. La couche liquide se trouve entre une plaque frontale 11 comportant un contact d'attaque ainsi qu'une couche électrochromatique et un élément d'espacement 13.The cell of the device according to the invention has a layered structure; it has two transparent electrodes facing each other at a certain distance and can be electrically controlled; an electrochromatic layer and a layer of electrolytically conductive liquid 12 are located between these two electrodes. In order to increase the life of the cell, according to the invention, the layer of electrolytically conductive liquid consists of a ceramic fibrous material soaked in electrolyte and having a refractive index greater than 2, such as for example zirconia. The liquid layer is between a faceplate 11 having an etching contact as well as an electrochromatic layer and a spacer 13.

FR7824905A 1977-09-12 1978-08-29 ELECTROCHROMATIC INDICATOR DEVICE Pending FR2402910A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772741051 DE2741051A1 (en) 1977-09-12 1977-09-12 ELECTROCHROME DISPLAY DEVICE

Publications (1)

Publication Number Publication Date
FR2402910A1 true FR2402910A1 (en) 1979-04-06

Family

ID=6018760

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7824905A Pending FR2402910A1 (en) 1977-09-12 1978-08-29 ELECTROCHROMATIC INDICATOR DEVICE

Country Status (5)

Country Link
JP (1) JPS5456396A (en)
DE (1) DE2741051A1 (en)
FR (1) FR2402910A1 (en)
GB (1) GB2004080A (en)
NL (1) NL7808600A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3225152A1 (en) * 1982-07-06 1984-01-12 Robert Bosch Gmbh, 7000 Stuttgart DISPLAY DEVICE WITH OPTICAL DISPLAY
JPS6334518A (en) * 1986-07-30 1988-02-15 Dowa Mining Co Ltd Structural body for electrochromic element
JP2525685B2 (en) * 1990-04-27 1996-08-21 株式会社日本製鋼所 Optical element
DE19750404C2 (en) * 1997-11-14 1999-10-07 Bayer Ag Flat chamber for filling with fluid media

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297471A1 (en) * 1975-01-13 1976-08-06 Timex Corp ELECTROCHROIC DISPLAY DEVICE
DE2523833A1 (en) * 1975-05-07 1976-11-18 Bbc Brown Boveri & Cie ELECTROCHROME DISPLAY DEVICE WITH CONTRAST-PROMOTING ADDITIVE AND METHOD OF MANUFACTURING THE SAME
DE2702251A1 (en) * 1976-01-20 1977-07-21 Sharp Kk ELECTROCHROME DISPLAY CELL

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297471A1 (en) * 1975-01-13 1976-08-06 Timex Corp ELECTROCHROIC DISPLAY DEVICE
DE2523833A1 (en) * 1975-05-07 1976-11-18 Bbc Brown Boveri & Cie ELECTROCHROME DISPLAY DEVICE WITH CONTRAST-PROMOTING ADDITIVE AND METHOD OF MANUFACTURING THE SAME
DE2702251A1 (en) * 1976-01-20 1977-07-21 Sharp Kk ELECTROCHROME DISPLAY CELL

Also Published As

Publication number Publication date
GB2004080A (en) 1979-03-21
DE2741051A1 (en) 1979-03-15
NL7808600A (en) 1979-03-14
JPS5456396A (en) 1979-05-07

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