WO2004042684A2 - Dispositifs d'affichage d'images multiples - Google Patents

Dispositifs d'affichage d'images multiples Download PDF

Info

Publication number
WO2004042684A2
WO2004042684A2 PCT/IL2003/000896 IL0300896W WO2004042684A2 WO 2004042684 A2 WO2004042684 A2 WO 2004042684A2 IL 0300896 W IL0300896 W IL 0300896W WO 2004042684 A2 WO2004042684 A2 WO 2004042684A2
Authority
WO
WIPO (PCT)
Prior art keywords
image display
display system
stimulus
image
grating
Prior art date
Application number
PCT/IL2003/000896
Other languages
English (en)
Other versions
WO2004042684A3 (fr
Inventor
Itzchak Bar-Yona
Kfir Luzzatto
Original Assignee
Lubartech 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 Lubartech Ltd. filed Critical Lubartech Ltd.
Priority to EP03810568A priority Critical patent/EP1561201A2/fr
Priority to AU2003276654A priority patent/AU2003276654A1/en
Publication of WO2004042684A2 publication Critical patent/WO2004042684A2/fr
Publication of WO2004042684A3 publication Critical patent/WO2004042684A3/fr

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals

Definitions

  • the present invention relates to devices that alternatively display multiple images especially for point-of-
  • the principle on which the electronic displays are based is the ability of the
  • the pixel can be made to have a virtually
  • pre-created computer program a pre-recorded video tape, or hve from a
  • video camera is provided to control the intensity of each sub-pixel in the
  • the most common electronic display is based on the use of a cathode ray
  • CRT tube
  • a color TV employs
  • each sub-pixel is controlled by varying the energy of the electrons in the
  • the phosphors are relatively cheap but very bulky and limited in size.
  • the light emitted by the phosphors is not extremely bright, with the result that it is
  • each cell is coated with either a red, green, or blue phosphor.
  • the cells contain a gas that is excited by an electric current to form a plasma.
  • a current of variable intensity can be made to flow through it varying the
  • Liquid crystal Another type of electronic display uses liquid crystals.
  • LCDs LCDs are limited in size by manufacturing difficulties.
  • the sub-pixels are red, green, and blue light emitting diodes
  • LEDs are arranged in pixel modules containing from three to
  • the modules are arranged in a rectangular array resulting in screens ranging in size from approximately 3m x 2m to
  • Each sub-pixel is individually addressed and, by varying the
  • Lenticular display systems comprise two main elements: a sheet or panel,
  • lenticular displays are capable of showing only a limited number of images
  • lenticular displays are relatively inexpensive when
  • part of the original information is deleted.
  • a third type of display system based on parallax barrier methods, is
  • the grid consists of
  • the multiple images are viewed either by causing relative
  • Another type of multi- image display is a purely mechanical one constructed
  • An image to be displayed is attached in strips to one face of
  • each of the prisms a second image to a second face, etc. such that when the
  • the present invention is a multi-image display system that is essentially
  • the interlaced images are produced by any of the methods known in the art.
  • images are printed in the form of a two-dimensional matrix of pixels.
  • the electronic grating for use with the indicia carrier on which the printing
  • the strips comprise a number of superimposed layers and are the equivalent of the bars on a physical
  • Each of the strips of the grating has a width substantially equal to
  • a layered structure comprising a pair of transparent electrodes separated by a layer or layers of active material.
  • control circuit that is capable, on command, of
  • the active material in each strip has the
  • Preferred embodiments of the invention utilize active material suitable for
  • electrochromism thermochromism
  • electroluminescence electroluminescence
  • liquid crystals and suspended particles.
  • the multi-image display of the invention operates in the following manner:
  • electrodes is connected in parallel to form a set of strips that will be
  • the display can be illuminated by means of reflected ambient or artificial
  • the display case built into the display case and in one embodiment by the electroluminescent active material in the strips of the grating.
  • the electrodes are dispersed on the surfaces of the substrate in a
  • FIG. 1 to 4 schematically illustrate a method of creating an interlaced image
  • Fig. 5 shows the interlaced image created according to the method
  • Fig. 6 shows a grating for use in creating a multi-image display
  • Figs. 7 and 8 show the two images comprising the interlaced image of
  • FIG. 5 displayed separately with the aid of the grating of Fig. 6;
  • FIG. 9 and 10 illustrate schematically a preferred embodiment of the
  • Fig. 11A shows schematically a display unit according to the invention
  • Fig. 11B is a cross-sectional view showing the internal parts of the
  • Fig. 11C is an enlarged view of an area of Fig. 11B showing details of
  • Fig. 12A schematically illustrates a pixel according to another method
  • Fig. 12B schematically illustrates a preferred embodiment of the
  • Figs. 1 to 8 For the sake of simplicity, the basic idea of the invention is demonstrated in Figs. 1 to 8 for a display system having two separate images.
  • multi-image means two or more images.
  • n 20 and the strips of images 1 and 2 are labeled
  • Fig. 5 illustrates the interlacing procedure. Strips A1-A20 and B1-B20 are
  • Image 3 has the same size as each of the original images, i.e.
  • Fig. 6 shows a grating 4 having a size that is the same or larger than that of
  • Grating 4 is composed of alternating opaque bars 5 and transparent windows 6. All of the bars and windows have equal widths, substantially equal to w/2. Placing grating 4 on top of the interlaced image 3 and aligning them such
  • the human eye will make up for the missing strips, thus
  • the number of strips required depends on the distance from which the image is to be viewed.
  • Viewing of the individual images is accomplished by supplying an electronic grating comprised of a substrate on which are created an array of identical parallel strips. Each of these strips is
  • control circuit that is capable, on command, of creating a
  • the active material has
  • a front view of an electronic grating 7 according to the invention is
  • Grating 7 is comprised of a multitude of
  • FIG. 9 shows a grating designed to be used with an interlaced image
  • the strips are printed or deposited on the surface of a transparent
  • a representative strip 8 can be made up of, for example, three layers: a
  • One of the electrodes on all of the strips is electrically connected to a
  • the other electrode is connected to one of two contacts 9
  • Fig. 10 is schematically shown the case in which contacts 10 and 11 are
  • Fig. HA shows a display device 20 according to the present invention.
  • display comprises a hollow box 21 on whose front face is disposed the indicia
  • a door or opening allowing access to the interior of the box. This arrangement allows for easy
  • dispersed lights to be used for back-lighting of the images, and their electric lighting circuit, symbolically indicated by plug 23, as well as the electronic
  • control system for the grating The control circuit for the electronic grating
  • Fig. 1 IB is a cross-sectional view showing the interior of the display of Fig.
  • Fig. 11C is an enlarged view of area C in Fig. 11B.
  • Numeral 22 represents
  • the front cover of the display which is made ' of a sheet of transparent
  • the cover is optional but
  • the first layer is a transparent substrate 31
  • the two electrodes composed of a suitable material such as glass or plastic.
  • 32 and 34 are made of a transparent electrically conducting material, such as
  • Layer 33 is the layer (or in some cases
  • the active material can be any material which has the
  • a stimulus e.g. electric field or locahzed heating, or that its luminescence can be activated by applying a stimulus, whereby to cause
  • thermochromism thermochromism
  • electrodes is a phosphor that "glows" when an electric field is created in the
  • the indicia carrier is placed between the electrodes.
  • control circuit the electroluminescent material in the strips that are
  • stimulated begin to emit light. Since the stimulated strips are positioned
  • interlaced image are not illuminated and therefore are not visible.
  • one of the electrodes which is at a constant potential for all of the
  • the layer containing the active material is
  • the electronic grating can be located in front of the
  • the electronic grating of the invention is preferably created by using
  • a reflecting surface 24 positioned behind the lights 23 in order to increase the intensity of the backlighting.
  • reflection from the grating back into the box indicates the reflection from the back surface of layer 33 in those areas where the active material is in its opaque state
  • the interlaced image is
  • each pixel is comprised of a number of subpixels corresponding
  • Fig. 12A is shown a typical pixel for an interlaced image comprised of four distinct images.
  • unit cells of the grating is comprised of four separate subcells corresponding
  • Fig. 12B shows a portion of one
  • Fig. 12B Also schematically shown in Fig. 12B are the electrical

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Television Systems (AREA)

Abstract

L'invention concerne un système d'affichage d'images multiples comprenant essentiellement un support indicateur sur lequel son imprimées des images entrelacées, et un réseau électronique stationnaire qui, au moyen d'un circuit de commande révèle alternativement les images séparées, combinées pour former les images entrelacées.
PCT/IL2003/000896 2002-11-07 2003-10-30 Dispositifs d'affichage d'images multiples WO2004042684A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03810568A EP1561201A2 (fr) 2002-11-07 2003-10-30 Dispositifs d'affichage d'images multiples
AU2003276654A AU2003276654A1 (en) 2002-11-07 2003-10-30 Multiple image display devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL15271302A IL152713A0 (en) 2002-11-07 2002-11-07 Multiple image display devices
IL152713 2002-11-07

Publications (2)

Publication Number Publication Date
WO2004042684A2 true WO2004042684A2 (fr) 2004-05-21
WO2004042684A3 WO2004042684A3 (fr) 2004-06-24

Family

ID=30011891

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2003/000896 WO2004042684A2 (fr) 2002-11-07 2003-10-30 Dispositifs d'affichage d'images multiples

Country Status (4)

Country Link
EP (1) EP1561201A2 (fr)
AU (1) AU2003276654A1 (fr)
IL (1) IL152713A0 (fr)
WO (1) WO2004042684A2 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006028626A2 (fr) 2004-09-02 2006-03-16 3M Innovative Properties Company Substrats presentant plusieurs images
WO2006028681A2 (fr) 2004-09-02 2006-03-16 3M Innovative Properties Company Substrats a multiples images
WO2006124302A2 (fr) 2005-05-13 2006-11-23 3M Innovative Properties Company Procedes de fabrication de substrats
EP1790172A1 (fr) 2004-08-26 2007-05-30 Litelogic Limited Dispositif d'affichage
US7404997B2 (en) 2004-09-02 2008-07-29 3M Innovative Properties Company Substrates with multiple images
US7446940B2 (en) 2004-09-02 2008-11-04 3M Innovative Properties Company Substrates with multiple images and methods of use
CN103258483A (zh) * 2013-05-27 2013-08-21 苏州和氏设计营造股份有限公司 透明移动屏

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839714A (en) * 1972-12-26 1974-10-01 Ncr Co Plasma display device for selectively displaying several fixed images
EP0998171A2 (fr) * 1998-10-28 2000-05-03 Matsushita Electric Industrial Co., Ltd. Lampe électroluminescente à plusieurs couleurs dispersées et unité de lampe électroluminescente l'utilisant
JP2001075515A (ja) * 1999-09-01 2001-03-23 Casio Comput Co Ltd 発光装置およびそれを備えた表示装置
EP1154396A2 (fr) * 2000-05-10 2001-11-14 Ritek Corporation Indicateur multi-fonctionel super-mince

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11202814A (ja) * 1998-01-09 1999-07-30 Kozo Oshio Ｅｌの装飾ユニット体、及び装飾用ｅｌ面発光体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839714A (en) * 1972-12-26 1974-10-01 Ncr Co Plasma display device for selectively displaying several fixed images
EP0998171A2 (fr) * 1998-10-28 2000-05-03 Matsushita Electric Industrial Co., Ltd. Lampe électroluminescente à plusieurs couleurs dispersées et unité de lampe électroluminescente l'utilisant
JP2001075515A (ja) * 1999-09-01 2001-03-23 Casio Comput Co Ltd 発光装置およびそれを備えた表示装置
EP1154396A2 (fr) * 2000-05-10 2001-11-14 Ritek Corporation Indicateur multi-fonctionel super-mince

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 12, 29 October 1999 (1999-10-29) -& JP 11 202814 A (OSHIO KOZO), 30 July 1999 (1999-07-30) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 20, 10 July 2001 (2001-07-10) -& JP 2001 075515 A (CASIO COMPUT CO LTD), 23 March 2001 (2001-03-23) *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1790172A1 (fr) 2004-08-26 2007-05-30 Litelogic Limited Dispositif d'affichage
US8013806B2 (en) 2004-08-26 2011-09-06 Litelogic Ip Limited Display device
US7446940B2 (en) 2004-09-02 2008-11-04 3M Innovative Properties Company Substrates with multiple images and methods of use
US7404997B2 (en) 2004-09-02 2008-07-29 3M Innovative Properties Company Substrates with multiple images
US7416776B2 (en) 2004-09-02 2008-08-26 3M Innovative Properties Company Substrates with multiple images
WO2006028626A2 (fr) 2004-09-02 2006-03-16 3M Innovative Properties Company Substrats presentant plusieurs images
WO2006028681A2 (fr) 2004-09-02 2006-03-16 3M Innovative Properties Company Substrats a multiples images
US8114502B2 (en) 2004-09-02 2012-02-14 3M Innovative Properties Company Substrates with multiple images
WO2006124302A2 (fr) 2005-05-13 2006-11-23 3M Innovative Properties Company Procedes de fabrication de substrats
US7594976B2 (en) 2005-05-13 2009-09-29 3M Innovative Properties Company Methods of manufacturing substrates
EP2431193A1 (fr) 2005-05-13 2012-03-21 3M Innovative Properties Company Procédés de fabrication de substrats
EP2441591A1 (fr) 2005-05-13 2012-04-18 3M Innovative Properties Company Procédés de fabrication de substrats
CN103258483A (zh) * 2013-05-27 2013-08-21 苏州和氏设计营造股份有限公司 透明移动屏

Also Published As

Publication number Publication date
AU2003276654A1 (en) 2004-06-07
IL152713A0 (en) 2003-06-24
EP1561201A2 (fr) 2005-08-10
WO2004042684A3 (fr) 2004-06-24

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