WO1995014949A3 - Transparency viewing device comprising passive matrix lcd - Google Patents

Transparency viewing device comprising passive matrix lcd Download PDF

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Publication number
WO1995014949A3
WO1995014949A3 PCT/EP1994/003968 EP9403968W WO9514949A3 WO 1995014949 A3 WO1995014949 A3 WO 1995014949A3 EP 9403968 W EP9403968 W EP 9403968W WO 9514949 A3 WO9514949 A3 WO 9514949A3
Authority
WO
WIPO (PCT)
Prior art keywords
electrodes
viewing device
passive matrix
row
matrix lcd
Prior art date
Application number
PCT/EP1994/003968
Other languages
French (fr)
Other versions
WO1995014949A2 (en
Inventor
Dan Inbar
Hanan Wolf
Ben Zion Levy
Original Assignee
Adaptive Visual Perception
Dan Inbar
Hanan Wolf
Ben Zion Levy
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
Priority claimed from IL10778293A external-priority patent/IL107782A0/en
Priority claimed from IL10803893A external-priority patent/IL108038A0/en
Priority claimed from IL10803793A external-priority patent/IL108037A0/en
Application filed by Adaptive Visual Perception, Dan Inbar, Hanan Wolf, Ben Zion Levy filed Critical Adaptive Visual Perception
Priority to DE69425979T priority Critical patent/DE69425979T2/en
Priority to JP7514848A priority patent/JPH10503030A/en
Priority to US08/648,007 priority patent/US5760851A/en
Priority to EP95902096A priority patent/EP0730749B1/en
Publication of WO1995014949A2 publication Critical patent/WO1995014949A2/en
Publication of WO1995014949A3 publication Critical patent/WO1995014949A3/en

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 
    • G02F1/13—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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G02F1/13318—Circuits comprising a photodetector
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • G02B27/022—Viewing apparatus
    • G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
    • G02B27/026—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies and a display device, e.g. CRT, LCD, for adding markings or signs or to enhance the contrast of the viewed object
    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • 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
    • G02F1/13336—Combining plural substrates to produce large-area displays, e.g. tiled displays

Abstract

A transparency viewing device including a faceplate adapted for mounting at least one transparency thereon, a passive matrix LCD array comprising a plurality of row electrodes and a plurality of column electrodes separated by liquid crystal material, one of said plurality of electrodes having N electrodes and the other of said plurality of electrodes having M electrodes whereby the intersections of the row and column electrodes define a matrix of M x N pixel elements arranged in rows and columns, which pixels are excited by an RMS voltage difference between the two electrodes intersecting a pixel and a driver which electrifies the row and column electrodes such that at least one of a plurality n of the N electrodes or a plurality m of the M electrodes are identically electrified, wherein n « N and m « M.
PCT/EP1994/003968 1993-11-28 1994-11-28 Transparency viewing device comprising passive matrix lcd WO1995014949A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE69425979T DE69425979T2 (en) 1993-11-28 1994-11-28 VIEWER FOR TRANSPARENT IMAGES WITH PASSIVE MATRIX LCD
JP7514848A JPH10503030A (en) 1993-11-28 1994-11-28 Fluoroscopy device with passive matrix LCD
US08/648,007 US5760851A (en) 1993-11-28 1994-11-28 Display device
EP95902096A EP0730749B1 (en) 1993-11-28 1994-11-28 Transparency viewing device comprising passive matrix lcd

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
IL10778293A IL107782A0 (en) 1993-11-28 1993-11-28 Improved display device
IL107,782 1993-11-28
IL108,037 1993-12-15
IL10803893A IL108038A0 (en) 1993-12-15 1993-12-15 A self masking display device
IL10803793A IL108037A0 (en) 1993-12-15 1993-12-15 A viewing apparatus and work station
IL108,038 1993-12-15

Publications (2)

Publication Number Publication Date
WO1995014949A2 WO1995014949A2 (en) 1995-06-01
WO1995014949A3 true WO1995014949A3 (en) 1995-07-06

Family

ID=27271629

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP1994/003971 WO1995014950A2 (en) 1993-11-28 1994-11-28 Viewing apparatus and work station
PCT/EP1994/003968 WO1995014949A2 (en) 1993-11-28 1994-11-28 Transparency viewing device comprising passive matrix lcd

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/EP1994/003971 WO1995014950A2 (en) 1993-11-28 1994-11-28 Viewing apparatus and work station

Country Status (5)

Country Link
US (5) US5760851A (en)
EP (3) EP0918241A3 (en)
JP (2) JPH10503030A (en)
DE (1) DE69425979T2 (en)
WO (2) WO1995014950A2 (en)

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Also Published As

Publication number Publication date
WO1995014950A2 (en) 1995-06-01
EP0730749B1 (en) 2000-09-20
JPH10503290A (en) 1998-03-24
JPH10503030A (en) 1998-03-17
US5760851A (en) 1998-06-02
DE69425979D1 (en) 2000-10-26
EP0918241A3 (en) 1999-06-23
EP0730749A1 (en) 1996-09-11
EP0730750A1 (en) 1996-09-11
WO1995014949A2 (en) 1995-06-01
EP0918241A2 (en) 1999-05-26
DE69425979T2 (en) 2001-02-15
US5859676A (en) 1999-01-12
US5790216A (en) 1998-08-04
WO1995014950A3 (en) 1995-08-10
US5835173A (en) 1998-11-10
US6011528A (en) 2000-01-04

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