JPS5875119A - Electrochromic display element - Google Patents

Electrochromic display element

Info

Publication number
JPS5875119A
JPS5875119A JP17360481A JP17360481A JPS5875119A JP S5875119 A JPS5875119 A JP S5875119A JP 17360481 A JP17360481 A JP 17360481A JP 17360481 A JP17360481 A JP 17360481A JP S5875119 A JPS5875119 A JP S5875119A
Authority
JP
Japan
Prior art keywords
layer
ec
wo3
display element
electrodes
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
JP17360481A
Inventor
Shinichi Oota
Makoto Takahashi
Meiso Yokoyama
Original Assignee
Nippon Seiki Co Ltd
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 Nippon Seiki Co Ltd filed Critical Nippon Seiki Co Ltd
Priority to JP17360481A priority Critical patent/JPS5875119A/en
Publication of JPS5875119A publication Critical patent/JPS5875119A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/15Devices 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
    • G02F1/1514Devices 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 characterised by the electrochromic material, e.g. by the electrodeposited material
    • G02F1/1523Devices 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 characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material

Abstract

PURPOSE:To obtain an EC display element which permits setting of optical colors according to purposes of use by providing display electrodes and a counter electrode, providing transition metallic oxides as an EC layer between the transparent electrode films and a solid insulating layer, and heat-treating the same at prescribed temps. CONSTITUTION:Transparent display electrodes 2 of ITO films or the like are provided on a transparent glass substrate 1. For example, WO3 is selected from EC materials which are transition metallic oxides such as WO3, V2O5, MoO3, TiO2, and is vacuum-deposited to provide a coloring layer 3. Thereafter, said layer is treated under heating for 5 minutes at 300-400 deg.C to form a white- colored thin film. A solid insulating layer 4 (CaF2) is provided thereon and a counter electrode 5 formed with Au is laminated on this layer, whereby an EC display element is obtained. If positive potential is applied on the electrodes 2, the heat-treated WO3 coloring layer 3 generates the wavelength-transmittance characteristics changing from transparency to a pale yellow color. Even when not only the layer 3 but a V2O5 layer is used, the original color changing arises. Thus the EC display device having more variety in colors than in the prior art is obtained by using the transition metal oxides.
JP17360481A 1981-10-28 1981-10-28 Electrochromic display element Pending JPS5875119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17360481A JPS5875119A (en) 1981-10-28 1981-10-28 Electrochromic display element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17360481A JPS5875119A (en) 1981-10-28 1981-10-28 Electrochromic display element

Publications (1)

Publication Number Publication Date
JPS5875119A true JPS5875119A (en) 1983-05-06

Family

ID=15963681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17360481A Pending JPS5875119A (en) 1981-10-28 1981-10-28 Electrochromic display element

Country Status (1)

Country Link
JP (1) JPS5875119A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5559436A (en) * 1978-10-23 1980-05-02 Timex Corp Improvements relating to corrosion resistance of electrochromic layer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5559436A (en) * 1978-10-23 1980-05-02 Timex Corp Improvements relating to corrosion resistance of electrochromic layer

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