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1. (WO2000077571) COMPOSITE SHEETS WITH ELECTRICALLY SWITCHABLE OPTICAL PROPERTIES MADE OF LIGHT-SCATTERING BASE MATERIAL
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2000/077571 International Application No.: PCT/DE2000/001455
Publication Date: 21.12.2000 International Filing Date: 05.05.2000
IPC:
G02F 1/167 (2006.01) ,G09F 9/37 (2006.01)
G PHYSICS
02
OPTICS
F
DEVICES 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
1
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
01
for the control of the intensity, phase, polarisation or colour
167
based on electrophoresis
G PHYSICS
09
EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
F
DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
9
Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
30
in which the desired character or characters are formed by combining individual elements
37
being movable elements
Applicants:
CREAVIS GESELLSCHAFT FÜR TECHNOLOGIE UND INNOVATION MBH [DE/DE]; Paul-Baumann-Strasse 1 D-45772 Marl, DE (AllExceptUS)
SCHMIDT, Friedrich, Georg [DE/DE]; DE (UsOnly)
Inventors:
SCHMIDT, Friedrich, Georg; DE
Common
Representative:
CREAVIS GESELLSCHAFT FÜR TECHNOLOGIE UND INNOVATION MBH; Patente - Marken Bau 1042 - PB 15 D-45764 Marl, DE
Priority Data:
199 27 359.616.06.1999DE
Title (DE) VERBUNDFOLIEN MIT ELEKTRISCH SCHALTBAREN OPTISCHEN EIGENSCHAFTEN AUS LICHTSTREUENDEN TRÄGERMATERIALIEN
(EN) COMPOSITE SHEETS WITH ELECTRICALLY SWITCHABLE OPTICAL PROPERTIES MADE OF LIGHT-SCATTERING BASE MATERIAL
(FR) FEUILLES COMPOSITES A PROPRIETES OPTIQUES COMMUTABLES ELECTRIQUEMENT EN MATERIAUX SUPPORTS DIFFUSANT LA LUMIERE
Abstract:
(DE) Die Erfindung betrifft Verbundfolien mit elektrisch schaltbaren optischen Eigenschaften, aufgebaut aus zwei Steuerelektroden und einer lichtstreuenden Mikrokompartimentfolie mit Kavitäten, die elektrophoretisch mobile Partikel in einer Suspensionsflüssigkeit enthalten, wobei die Mikrokompartimentfolie aus einem lichtstreuenden Material besteht. Die Verbundfolien mit elektrisch schaltbaren optischen Eigenschaften können als Anzeigetafeln, Computerdisplays oder Flachbildschirme verwendet werden.
(EN) The invention relates to composite sheets with electrically switchable optical properties, comprising two control electrodes and a light-scattering microcompartmented sheet with cavities containing electrophoretically mobile particles in a suspension fluid, whereby the microcompartmented sheet is made of a light scattering material. The composite sheets with electrically switchable optical properties can be used as display panels, computer displays or flat screens.
(FR) L'invention concerne des feuilles composites à propriétés optiques commutables électriquement, réalisées avec deux électrodes de commande et une feuille à microcompartiments diffusant la lumière et présentant des cavités contenant des particules mobiles électrophorétiquement dans un liquide de suspension. Selon l'invention, la feuille à microcompartiments est constituée d'un matériau diffusant la lumière. On peut utiliser ces feuilles composites à propriétés optiques commutables électriquement comme tableaux d'affichage, écrans d'ordinateurs ou écrans plats.
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Designated States: BR, CA, CN, JP, KR, MX, US
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: German (DE)
Filing Language: German (DE)
Also published as:
MXPA/a/2001/001711KR1020010072719EP1105773US6512626JP2003502696 CN1320226
CA2340683DK1105773