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WO2005119347A1 - Lunettes de protection - Google Patents

Lunettes de protection Download PDF

Info

Publication number
WO2005119347A1
WO2005119347A1 PCT/SE2004/000801 SE2004000801W WO2005119347A1 WO 2005119347 A1 WO2005119347 A1 WO 2005119347A1 SE 2004000801 W SE2004000801 W SE 2004000801W WO 2005119347 A1 WO2005119347 A1 WO 2005119347A1
Authority
WO
WIPO (PCT)
Prior art keywords
lcd
protection eyewear
light
eyewear according
protection
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.)
Ceased
Application number
PCT/SE2004/000801
Other languages
English (en)
Inventor
Kent Skarp
Gustav Franklin
Christian ADÅS
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.)
CONOPTIX AB
Original Assignee
CONOPTIX AB
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 CONOPTIX AB filed Critical CONOPTIX AB
Anticipated expiration legal-status Critical
Publication of WO2005119347A1 publication Critical patent/WO2005119347A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/12—Polarisers
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
    • G02F1/133565—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements inside the LC elements, i.e. between the cell substrates

Definitions

  • the present invention relates to protection eyewear, comprising a frame with at least one LCD shield, and LCD driver electronics adapted to drive said LCD shield.
  • a glass LCD with a conventional polarizer causes the glasses to be heavy in weight.
  • the present invention teaches that used LCD shield is made out of an LCD comprising a flexible substrate in order to provide a flexible, thin and lightweight LCD, making it possible to produce lightweight protective eyewear of different shapes and forms.
  • the substrate is preferably made out of a polymer film, such as PET, PES, PC, polycyclic olefin or polyarlyate.
  • the LCD comprises a thin film polarizer.
  • Such a polarizer can be realised in different ways.
  • the LCD comprises LC-alignment layers made out of a thin film polarizer, which thin film polarizer forms an internal polarizer.
  • the present invention teaches that a first thin polymeric protective layer is positioned between the LC-alignment layers and the liquid crystal of the LCD, in order to protect the liquid crystal from the thin film polarizer.
  • the present invention teaches that the LCD comprises separate LC-alignment layers, and a thin film polarizer forming an internal polarizer.
  • the LCD comprises separate LC-alignment layers, and a thin film polarizer forming an external polarizer.
  • Different electrodes can be used in an inventive LCD.
  • the LCD can comprise either traditional ITO electrodes or organic electrodes.
  • the present invention teaches that a second thin polymeric protective layer is positioned between respective electrode and the thin film polarizer, in order to protect the organic electrodes from the thin film polarizer.
  • the LCD is adapted to control the transmission of visible light, UV light and/or IR light.
  • the present invention teaches different ways of controlling the transmission of light.
  • the eyewear may comprise one or several potentiometers, and the driver electronics may be adapted to a manual control of light transmission according to the resistance of the potentiometer.
  • the eyewear comprise one or several light sensors
  • the driver electronics may be adapted to an automatic control of light transmission according to detected light by the light sensors.
  • divide the LCD into pixels.
  • the driver unit may be adapted to control separate pixels, and thus the transmission of light in selected sections of the LCD.
  • the driver unit may also be adapted to control separate pixels, and thus to display characters or images on the LCD.
  • the advantages of the present invention are that it provides flexible, thin and lightweight protections eyewear that can be shaped, formed and adapted to various lighting conditions, environments and designs. It also provides a protection eyewear that will respond immediately on changes in the lighting conditions.
  • Figure 1 is a schematic and simplified view of protection eyewear according to the present invention
  • Figure 2 is a schematic and simplified cross sectional view of an LCD according to the present invention showing a first embodiment of a polarizer
  • Figure 3 is a schematic and simplified cross sectional view of an LCD according to the present invention showing a second embodiment of a polarizer
  • Figure 4 is a schematic and simplified cross sectional view of an LCD according to the present invention showing a third embodiment of a polarizer
  • Figure 5 is a schematic and simplified view of protection eyewear according to the present invention showing various possibilities of controlling the transmission of light through used LCD.
  • FIG. 1 shows a protection eyewear 1 , comprising a frame 2 with at least one LCD shield 3 and LCD driver electronics adapted to drive the LCD shield.
  • the LCD shield 3 is made out of an LCD comprising a flexible substrate.
  • Figure 2 shows the flexible substrate 3a, 3b.
  • This substrate can be made out of different flexible materials suitable to act as a substrate in an LCD. It is preferably made out of a polymer film, such as PET, PES, PC, polycyclic olefin or polyarlyate.
  • the present invention teaches that the LCD comprises a thin film polarizer, thereby providing a flexible, thin and lightweight polarizer solution. Such solutions can be realised in different ways.
  • the LCD comprises LC-alignment layers 3c, 3d made out of a thin film polarizer, where the thin film polarizers forms an internal polarizer 3e. Since the thin film polarizer in the LC-alignment layers 3c, 3d may contaminate the liquid crystal 3f in the LCD 3, the present invention teaches that, in an embodiment where the LC-alignment layers are made out of a thin film polarizer, a first thin polymeric protective layer 3g is positioned between LC- alignment layers 3c, 3d and the liquid crystal 3f.
  • the present invention teaches that the LCD comprises LC-alignment layers 3h, 3i separate from the polarizer 3j, 3k, where the thin film polarizer forms an internal polarizer 3j, 3k.
  • the LCD comprises LC-alignment layers 3m, 3n separate from the polarizer 3o, 3p, where the thin film polarizer forms an external polarizer 3o, 3p.
  • the electrodes used in an inventive LCD can also be realised in different ways. The electrodes may for instance be made out of ITO.
  • the present invention also teaches that the LCD comprises organic electrodes 3q, 3r.
  • Electrodes can for instance be made out of poly(3,4-ethylenedioxythiophene) doped with po!y(4- styrenesylfonate) (PEDOT-PSS).
  • PEDOT-PSS poly(3,4-ethylenedioxythiophene) doped with po!y(4- styrenesylfonate)
  • a thin film polarizer is used to form an internal polarizer, according to figures 2 and 3, in combination with an organic electrode 3q, 3r, then the present invention teaches that a second thin polymeric protective layer 3s, 3t is positioned between respective electrode 3q, 3r and adjacent polarizer, 3e in figure 2 and 3j, 3k in figure 3, in order to protect the organic electrodes 3q, 3r from the thin film polarizer.
  • Protection eyewear according to the present invention can be used in different environments and with different requirements for protection.
  • an inventive LCD may thus be adapted to control the transmission of light in different wavelength ranges, such as the transmission of visible light, of UV light and/or of IR light.
  • Figure 1 shows that the inventive protection eyewear 1 comprises one or several potentiometers 41 , in figure 1 attached to the frame 2.
  • the driver electronics 4 may be adapted to a manual control of light transmission according to the resistance of the potentiometer 41.
  • Figure 1 also shows that the inventive protection eyewear 1 may comprise one or several light sensors 42, in figure 1 attached to the frame 2.
  • the driver electronics 4 may be adapted to an automatic control of light transmission according to detected light by the light sensors 42.
  • the flexible LCD according to the present invention provides possibilities to control parts of the LCD shield in order to achieve different advantages.
  • FIG. 5 shows schematically and very simplified that the LCD 3 is divided into pixels 31 , 32, 33, ..., 3n.
  • the driver unit 4 can thus be adapted to control separate pixels 31 , 32, 33, ..., 3n, and thereby the transmission of light in selected sections of the LCD 3.
  • the driver unit 4 may also be adapted to control separate pixels 31 , 32,

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Eyeglasses (AREA)
  • Helmets And Other Head Coverings (AREA)

Abstract

La présente invention a trait à des lunettes de protection (1), comportant une monture (2) avec au moins un écran à cristaux liquides (3), et une électronique de commande de l'écran à cristaux liquides (4) adaptée pour la commande de l'écran à cristaux liquides (3). L'écran à cristaux liquides (3) est réalisé en un affichage à cristaux liquides comportant un substrat souple.
PCT/SE2004/000801 2003-05-20 2004-05-21 Lunettes de protection Ceased WO2005119347A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0301480A SE526756C2 (sv) 2003-05-20 2003-05-20 Skyddande ögonbeklädnad
SE0301480-0 2003-05-20

Publications (1)

Publication Number Publication Date
WO2005119347A1 true WO2005119347A1 (fr) 2005-12-15

Family

ID=20291367

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2004/000801 Ceased WO2005119347A1 (fr) 2003-05-20 2004-05-21 Lunettes de protection

Country Status (2)

Country Link
SE (1) SE526756C2 (fr)
WO (1) WO2005119347A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013010478A1 (de) * 2013-06-22 2014-12-24 Ryszard Jarkowicz Vorrichtung zum betrachten von stereoskopischen bildern

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561724A (en) * 1982-11-25 1985-12-31 Toray Industries, Inc. Liquid crystal display cell with improved plastic substrates
US5067795A (en) * 1986-03-24 1991-11-26 Gianni Bulgari S.P.A. Adjustable transparency spectacles
WO1994011779A2 (fr) * 1992-11-12 1994-05-26 Crystalens Limited Dispositif a cristaux liquides
DE19714434A1 (de) * 1997-04-08 1998-10-15 Armin Schaeuble Selektive elektronische Lichtschutzbrille
WO2002089496A2 (fr) * 2001-04-30 2002-11-07 Qr Spex, Inc. Articles de lunetterie a branches interchangeables hebergeant un appareil active par bluetooth

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561724A (en) * 1982-11-25 1985-12-31 Toray Industries, Inc. Liquid crystal display cell with improved plastic substrates
US5067795A (en) * 1986-03-24 1991-11-26 Gianni Bulgari S.P.A. Adjustable transparency spectacles
WO1994011779A2 (fr) * 1992-11-12 1994-05-26 Crystalens Limited Dispositif a cristaux liquides
DE19714434A1 (de) * 1997-04-08 1998-10-15 Armin Schaeuble Selektive elektronische Lichtschutzbrille
WO2002089496A2 (fr) * 2001-04-30 2002-11-07 Qr Spex, Inc. Articles de lunetterie a branches interchangeables hebergeant un appareil active par bluetooth

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013010478A1 (de) * 2013-06-22 2014-12-24 Ryszard Jarkowicz Vorrichtung zum betrachten von stereoskopischen bildern
DE102013010478B4 (de) * 2013-06-22 2015-06-25 Ryszard Jarkowicz Vorrichtung zum betrachten von stereoskopischen bildern

Also Published As

Publication number Publication date
SE0301480L (sv) 2004-11-21
SE0301480D0 (sv) 2003-05-20
SE526756C2 (sv) 2005-11-01

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