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WO2005050265A1 - Film optique polarisant transparent et fabrication de ce film - Google Patents

Film optique polarisant transparent et fabrication de ce film Download PDF

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Publication number
WO2005050265A1
WO2005050265A1 PCT/EP2004/011954 EP2004011954W WO2005050265A1 WO 2005050265 A1 WO2005050265 A1 WO 2005050265A1 EP 2004011954 W EP2004011954 W EP 2004011954W WO 2005050265 A1 WO2005050265 A1 WO 2005050265A1
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WO
WIPO (PCT)
Prior art keywords
layer
substrate
polarizing
colorant
coating
Prior art date
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Ceased
Application number
PCT/EP2004/011954
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English (en)
Inventor
David Henry
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Corning Inc
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Corning Inc
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Filing date
Publication date
Application filed by Corning Inc filed Critical Corning Inc
Publication of WO2005050265A1 publication Critical patent/WO2005050265A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00634—Production of filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0073—Optical laminates
    • G02B1/105—
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14—Protective coatings, e.g. hard coatings

Definitions

  • the present invention relates to polarizing transparent optical products and method for their fabrication.
  • the present invention relates to transparent polarizing ophthalmic products and method for their fabrication.
  • the present invention is useful, for example, in the manufacture of polarizing ophthalmic lenses.
  • Aims of the present invention are: - polarizing, transparent optical products, which are notably useful in the spectacles trade, and which have an original structure and interesting properties; as well as - a method of manufacturing said products.
  • This method is adaptable according to variants and is particularly interesting in that it can be qualified as a universal method (with reference to the surface of the product in question), in that it is easy to implement, and in that it can be implemented away from the site of manufacture of the products in question.
  • Products of this type have already been proposed according to prior art which are associated with methods of manufacture, which are more or less complex to implement.
  • the polarizing products of the prior art contain, in their structure, according to a first variant, a polarizing film which is based on a polymer (of poly (vinyl alcohol), polyethylene terephthalate, for example) which is drawn uniaxially and which is impregnated with at least one colorant (iodinated compounds or dichroic colorants); and according to a second variant, a film of colorant(s) having polarizing properties based on colorant(s) per se.
  • a polarizing film which is based on a polymer (of poly (vinyl alcohol), polyethylene terephthalate, for example) which is drawn uniaxially and which is impregnated with at least one colorant (iodinated compounds or dichroic colorants); and according to a second variant, a film of colorant(s) having polarizing properties based on colorant(s) per se.
  • the film of impregnated polymer is incorporated within the structure of the product, embedded in said structure.
  • Said film, which is formed beforehand, is introduced during the manufacture of the product, on the site of manufacture of said product.
  • This technique of manufacture of polarizing products is relatively arduous to implement.
  • the film of impregnated polymer is formed beforehand and then fixed, notably by adhesion, to the surface of the product.
  • a film of colorant(s) having polarizing properties is generated, which is permanently orientated on a surface of the product.
  • the following procedure is generally carried out: a lyotropic solution of at least one colorant is deposited and dried on a surface which is treated beforehand in order to have rnicro grooves, which are arranged in parallel.
  • a first aspect of the present invention is thus a polarizing, transparent optical product having a structure comprising a basic transparent substrate of ah inorganic or organic material and, on at least one part of the external surface of said basic substrate, a polarizing coating, wherein said polarizing coating is fixed, in a stable manner, to said substrate and has a stratified structure which includes: - a polymer layer, which is fixed to the external surface of said substrate, directly or via a coupling under-layer; - a film of colorant(s) having polarizing properties, on said polymer layer, and - a protective layer on said film of colorant(s).
  • the side of said polymer layer covered with said film of colorant(s), contains parallel microgrooves.
  • the polarizing coating may be bonded to the substrate via physical force or chemical bonds, preferably via chemical bonds.
  • the polarizing coating is fixed to the external surface of said substrate via a coupling under-layer.
  • the substrate is made of plastic.
  • the polarizing transparent optical product of the present invention can be, for example, a solar and/or ophthalmic lens, a glazing or a windscreen. ⁇
  • Another aspect of the present invention is a process for making a polarizing, transparent optical product, the structure of which comprises a basis transparent substrate of an inorganic or organic material and, on at least one part of the external surface of said basic substrate, a polarizing coating, wherein it comprises generating fixing, in a stable manner, to said substrate, a polarizing coating which as a stratified structure comprising:
  • the step of generating said polarizing coating comprises the following steps: - obtaining a polymer layer having a glass transition temperature of higher than ambient temperature; creating microgrooves, which are parallel to each other, on the side of said polymer layer intended for supporting the film of colorant(s) having polarizing properties.
  • the process comprises the following steps in sequence: - generating said polarizing coating of stratified structure; and depositing said polarizing coating on at least one part of the external surface of said basic structure, which is optionally coated with a coupling under-layer; and - fixing, in a stable manner, said coating to said substrate.
  • the polarizing coating is generated and fixed to the substrate.
  • the step of generating the polarizing coating on said substrate comprises the following steps: [0018] - optionally depositing, on at least one part of the external surface of said substrate, a layer which is intended to act as a coupling under-layer;
  • the treatment includes physical and chemical treatment of the surface.
  • the present invention has the advantages of producing polarizing transparent optical products with relative ease.
  • the product may be produced in a ophthalmic lab in situ.
  • the production of the product by using the process of the present invention does not involve complex process steps.
  • the process of the present invention can be adapted for use for virtually any type of transparent substrate, inorganic or organic, thermoplastic or thermoset.
  • the invention thus relates to said novel type of polarizing optical product, which is described below.
  • the invention relates to a method of manufacturing said novel type of polarizing optical product, which is described further, below.
  • the polarizing, transparent optical products of the invention have a structure which classically includes a basic transparent substrate of an inorganic or organic material and a polarizing coating on at least one part of the external surface of said basic substrate
  • Said polarizing coating is incorporated on the surface. It is not embedded in the structure.
  • said polarizing coating is fixed, in a stable manner, to said substrate, and has a stratified structure which includes: - a polymer layer, which is fixed to the external surface of said substrate, directly or via a coupling under-layer; - a film of colorant(s) having polarizing properties, on said polymer layer, and - a protective layer on said film of colorant(s).
  • Said polarizing coating is anchored, in a stable manner, to the external surface of the substrate (over all of said surface or on only apart of it). This anchoring is carried out via the polymer layer, which is directly or indirectly supported on the substrate.
  • the polarizing coating is fixed directly onto the external surface of said substrate via physical and/or chemical bonds, advantageously via chemical bonds.
  • said polarizing coating is fixed to the external surface of said substrate, via a coupling under-layer.
  • Said polarizing coating of the products of the invention is polarizing due to the presence of a film of colorant(s) having polarizing properties, within it.
  • a film of colorant(s) having polarizing properties is known per se. It is not a polymer film which is drawn uniaxially and which is impregnated with colorant(s) in the sense of the documents WO-A-01 87579, US-A-5,286,419, US-A-5,412,505, US-A-2001/0028435 or documents US-A-5,286,420 and JP-A-09 258 009, but is a film of colorant(s) in the sense of documents US-A-2,400,877, FR-A-2,568,568 and FR-A-2,590,889; i.e.
  • said film of colorants is obtained by a technique which is described in said documents US-A-2,400,877, FR-A-2,568,568 and FR-A-2,590,889 and the polymer layer of the polarizing coating (more specifically, its "upper" face in contact with ' the film of colorants) includes the marks of said technique: microgrooves which are arranged in parallel. In order for these microgrooves to remain, they are generated on a polymer (a polymer layer) having a glass transition temperature higher than ambient temperature. [0031] .
  • the films having polarizing properties of the invention can include one or more colorants.
  • the colorant(s) in question can make up 100 % of the film having polarizing properties, but are in general incorporated in a mixture with additives, notably of a plastifying type, surfactant type or dichroism reinforcement additive type. Such additives are never incorporated at more than 10% by weight within said film. Additives of this type, more particularly of the surfactant or dichroism reinforcement additive type, which can therefore be incorporated within the films of colorant(s) having polarizing properties of the polarizing coating of the invention, have been described in the US patent US-A-5,286,419, with reference to polarizing films of the impregnated drawn polymer type.
  • the film of colorant(s) having polarizing properties which is incorporated in the structure of the polarizing coatings of the invention is, as indicated above, known per se. Also in a way known per se, said film is protected by a protective layer. It is thus found encapsulated between the substrate, more specifically the polymer layer and the protective layer.
  • This protective layer is in fact often a multi-layer, e.g. of a type such as those described in documents FR-A-2,568,568 and FR-A-2,590,889. This protective layer ensures a protection against time, moisture and temperature.
  • the person skilled in the art cannot ignore the fragility of the films of colorant(s) in question.
  • said protected film of colorant(s) is not incorporated directly on the surface of the subject to be polarized. It is positioned on a polymer layer, which is itself anchored to said surface of said substrate.
  • This polymer layer constitutes the key of the invention. It enables, in the manufacture of the products of the invention, being exempt from the surface of the substrates in question (it can be said that it constitutes a "scar” layer) and also from the nature of the material constituting the substrate. It confers a universal character to said process already mentioned and explains the possibility of touching up during the implementation of said process.
  • the nature of the polymer constituting the polymer layer in question is selected and the anchoring of said layer is mastered, directly or via a coupling under-layer, on substrates, the manner in order to render them polarizing can be mastered for many
  • the polymer layer is referred to in singular form. However, its meaning of course is generic.
  • the scar layer which supports .the film of colorant(s) having polarizing properties can be based on polymer(s) and/or on copolymer(s), of mono-layer or multi-layer structure. All these variants should be covered in the present invention as claimed. [0037] Characteristically, the products of the invention are thus polarizing due to the incorporation of a film of colorant(s) having polarizing properties on the surface of a polymer layer which is fixed to their surface. It can be said that an intermediate layer is incorporated.
  • the basic substrate is an inorganic or organic material.
  • it is a glass.
  • it is an organic glass.
  • Said organic glass can notably be selected from the cross-linked and non-crosslinked, thermoplastic, and thermoset materials obtained from compositions which comprise monomers of the following type: diglycol diallyl carbonate, styrene monomers, (meth)acrylic monomers, and the like, and thermoplastic and/or thermoset plastic materials such as polycarbonates, polyurethane-ureas,) polythiourethanes, cyclic polyolefins, polyesters, cellulose materials and polysulphones.
  • the basic substrate is advantageously an organic glass the refractive index of which is between 1.48 and 1.75, preferably between 1.50 and 1.67.
  • Any polymer (cross-linked or not) is suitable for the object of the invention (as intermediate layer between the substrate and the film of colorants) on two conditions: - that it can be fixed in a stable manner on the surface of the substrate; and - that it can support, even enable generating and supporting, the film of colorant(s) having polarizing properties, without deterioration of said properties.
  • the fixing (anchoring) of the polymer layer can result from a physical treatment, selected notably from treatments with hot air, treatments with flame, corona treatments, plasma treatments, ionising radiation treatments, UV radiation treatments and laser excimer treatments. It can also result from a chemical treatment, e.g., from an oxidising treatment type, a treatment with a strong base or a surface functionalization treatment. The implementation of physical and chemical treatment is not excluded. It has been seen that the fixing could be done via physical force and/or chemical bonds.
  • a coupling under-layer can be incorporated between the substrate (S) and the polymer layer (P).
  • a chemical coupling which is mainly of the S-P type or the S-SS-P type, can therefore be had.
  • the polymer layer is preferably an aromatic structure.
  • said layer is generally based: [0045] - on a polymer of the following type: poly(vinyl acetate) or derivative; polystyrene; poly(meth)acrylic; saturated or unsaturated polyester; cellulose; polycarbonate; polysulphone; polyamide; polyimide; polysiloxane; phenol or formophenol resin; aminoplast; or epoxy resin; [0046] - on a corresponding copolymer (obtained from the monomers corresponding to the polymers listed above); or
  • polymer layer which is of one of the types above, or even of another type, can be bound chemically to the substrate:
  • said coupling under-layer can notably be based on silanes, e.g., on alkoxysilanes and/or chlorosilanes or on compositions with reactive groups of the following types: vinyl, epoxy, isocyanate, hydroxyl, amine, thioL carboxylic acid and/or anhydride.
  • Such compositions can include reactive groups of a single type (e.g., isocyanate) or reactive groups of at least two of the types above, which are obviously non-reactive with each other (e.g., isocyanate and vinyl); from where the "and/or" above comes.
  • the polymer in question must obviously be compatible with the film of colorant(s) having polarizing properties which are incorporated on its surface.
  • said film In the assumption in which said film is of the type such as those described in US-A-2,400,877, FR-A-2,568,568 and FR-A-2,590,889, it is incorporated directly for ' the generation of said film on its surface.
  • the microgrooves required must be able to be created on its surface. These microgrooves, which are arranged in parallel, must be able to remain; from where the need comes as to the value of the glass transition temperature, which is higher than ambient temperature, already formulated for the polymer constimting said film.
  • the protective layer consists of a multi-layer comprising:
  • a cross-linked first layer which is based on at least one compound ⁇ selected from /-aminopropyltrimethoxysilane and ⁇ - arrrinopropyltriethoxysilane;
  • a second, cross-linked layer which is based on an epoxyalkyltrialkoxysilane
  • a third layer which forms a barrier against moisture.
  • the products of the invention are suitable for many optical articles, and notably solar lenses and/or ophthalmic lenses, lenses for optical instruments, screens (e.g. digital indicator windows which are used in electronics, instrumentation or clocks under the vocable "liquid crystal display"), filters, for glazing (for vehicles: automobiles, boats, wagons..., or for buildings) or for windscreens. This list is not exhaustive.
  • the second object of the present invention is now arrived at: the manufacture of polarizing, transparent optical products, as described above (products which constitute the first object of said present invention).
  • This method of manufacturing comprises: the generating, and the fixing, in a stable manner, to the ' basic transparent substrate, of the polarizing coating which has the stratified structure explained above (polymer layer + film of colorant(s) having polarizing properties + protective layer).
  • This technique involves incorporating, in a manner known er se, the surface of the intennediate polymer layer (of the "scar" layer) in the preparation of the film of colorant(s) having polarizing properties.
  • the steps of generation and of fixing of the polarizing coating can be led successively or in parallel. They can also be led on different sites or on the same site, advantageously directly on the surface of the substrate in question.
  • the method of the invention comprises, successively: [0067] - generating said polarizing coating of stratified structure;
  • the polarizing coating is first of all generated, and then it is fixed, directly or via a coupling under-layer, to the basic substrate, via physical and/or chemical bonds.
  • the type of bonds capable of being suitable between various types of constituent materials of said basic substrate and of the polymer layer of the polarizing coating, optionally via the coupling under-layer, has been seen above. Said polarizing coating can thus be generated entirely independently from the location of said basic substrate.
  • the method of the invention comprises the generation of said coating and the fixing of said coating on the surface of the product in question, said two steps being carried out on said surface of said product.
  • the coating is thus generated in situ, on its site of operation. It is constituted directly on the external surface of the basic substrate of the product in question.
  • generating said coating on said substrate comprises:
  • the polarizing coating is constituted layer by layer; its coupling can be made in one step or in several additional steps, in a more or less early manner. Said coupling is in general carried out in one step, during step e) or earlier between steps c) . and d), even between steps b) and c) if its implementation does not create an obstacle to the formation of the microgrooves.
  • the at least one adequate treatment is selected from physical surface treatments, chemical surface treatments and their combinations, advantageously from chemical surface treatments, [0083] and that in general: [0084] ⁇ - the at least one adequate treatment is a heat treatment which generates (thio)ester, (thio)ether, siloxane, amide, (thio)urethane and/or (thio)urea bonds.
  • the method of the invention characteristically comprises the incorporation, under the film of colorant(s) having polarizing properties, of the polymer layer.
  • the protection of said film of colorant(s) it is advantageously implemented without deterioration of it.
  • step d) of the method above is advantageously , followed by a step of insolubilisation, which is at least partial, of the colorant(s) deposited, when, during step e), said colorant(s) deposited can be solubilised.
  • step e) advantageously aims at generating a multi-layer protective layer of type such as those described in FR-A-2,590,889.
  • said step e) advantageously comprises:
  • an optically transparent layer which is inorganic or organic, which forms a barrier against moisture, and its stabilisation by a heating phase at a high temperature or under UV irradiation.
  • Such a step e) is, as mentioned above, advantageously preceded by an insolubilisation step, which is at least partial, of the colorant(s) deposited.
  • the method of the invention as described above, each of the steps of which is implemented according to techniques known er se, is innovative and very advantageous.
  • Its implementation for obtaining polarizing lenses is particularly recommended. Within this context, its implementation is more particularly recommended according to its second variant, i.e. directly on said lenses, away from the site of manufacture of them (e.g. in the prescription laboratory of said lenses).
  • the coated layer was then heat-treated at 120°C, for 30 minutes. This -heat treatment dried it and fixed it to the lens.
  • the polymer coating having a perfect optical quality has a thickness of about 4 ⁇ m.
  • Parallel microgrooves are produced on said coating by brushing with the aid of a wheel of loaded polyurethane foam (having a shape which is appropriate to ensure a uniform brushing).
  • Said foam is loaded with a fine aluminium powder in order to ensure a slightly abrasive brasbing.
  • the speed of the wheel is 185 rpm. Said wheel turns for 25 seconds. The pressure applied is slight.
  • the polymerisation of the protective coating was carried out with the V-bulb at a power of 80% and a belt speed of 0.5 m/minute.
  • the optical transmission of the lens obtained was measured by means of a light source which is polarized in two orientations, a first in which the transmission is maximal (T // ) and a second in which the transmission is minimal (T perp ), after having turned the lens by 90° about an axis which is normal to its surface and passing through its centre.
  • T // 15.65 %
  • T er 1-52 /o.
  • the lens has a pleasant grey colour. Its durability was evaluated by heating for 1 week at 130°C. No loss in effectiveness of the polarization, nor a change in colour, was thus observed.
  • a vision lens of CR 39 (polydiethyleneglycol bis-allyl carbonate), having a refractive index of 1.5, was treated by immersion in a solution containing 10%> by weight of potassium hydroxide, for 10 minutes at 40°C. Then, a solution of resin SU8-50 (this is an epoxy resin marketed by the company Micro Chem. Corp.), diluted in cyclohexanone (20% solution by weight of solid), was applied by centrifugation on said lens. [0107] This layer of resin has a glass transition temperature of 50-55°C before cross- linking and a glass transition temperature of greater than 200°C after cross-linking (see below). [0108] The resin was spun at 2,500 rpm for 95 seconds.
  • the polymer layer obtained has a thickness of a few microns.
  • Example 1 by brashing.
  • the polymer layer which is marked with said microgrooves, is then cross-linked by exposure to UV light (a V-bulb lamp from Fusion System is used).
  • the whole is spun at a speed of 1,000 rpm for 25 seconds with an acceleration of 100 rpm.
  • Example 2 The same procedure as in Example 2 was implemented from a lens having a refractive index of 1.6 and sold by the company Rodenstock under the trademark Cosmolit
  • 39 lens was coated with a polymer solution of 15% by weight of poly[(o-cresyl glycidyl ether) co-formaldehyde] sold by Aldrich (epoxy resin), 5 % by weight of UVI 6990 as photo-initiator sold by Union Carbide and 80 % by weight of a inixture of ⁇ -butyrolactone/cyclohexanone.
  • the polymer layer obtained has a thickness of a few microns. It has a good optical quality. [0125] The measurement of the effectiveness of the polarization gives a value of about
  • the lens has a pleasant grey colour.
  • the durability test (heating for 1 week at

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Polarising Elements (AREA)

Abstract

Cette invention se rapporte à un produit optique transparent polarisant, dont la structure comprend un substrat transparent de base en matériau inorganique ou organique et, sur au moins une partie de la surface externe de ce substrat de base, un revêtement polarisant. Le revêtement polarisant est fixé, en position stable, à ce substrat et présente une structure stratifiée qui contient : une couche polymère, fixée à la surface externe du substrat, directement ou par l'intermédiaire d'une sous-couche de couplage ; un film de colorant(s) ayant des propriétés polarisantes, sur la couche polymère ; et une couche protectrice, sur le film de colorant(s). Cette invention concerne également un procédé pour fabriquer un tel produit optique transparent polarisant. Cette invention peut être utilisée pour n'importe quel type de matériau de substrat, inorganique ou organique, thermoplastique ou thermodurci.
PCT/EP2004/011954 2003-10-29 2004-10-21 Film optique polarisant transparent et fabrication de ce film Ceased WO2005050265A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0312686 2003-10-29
FR0312686A FR2861852B1 (fr) 2003-10-29 2003-10-29 Prouits optiques transparents polarisants ; fabrication

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WO2005050265A1 true WO2005050265A1 (fr) 2005-06-02

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1965235A1 (fr) * 2007-02-28 2008-09-03 Corning Incorporated Articles à polarisation lumineuse et dispersion de colorant et leur procédé de fabrication
US7625626B2 (en) 2004-12-21 2009-12-01 Corning Incorporated Light polarizing products and method of making same
WO2011150143A1 (fr) 2010-05-28 2011-12-01 Corning Incorporated Procédé et dispositif pour préparer une surface destinée à recevoir un colorant de polarisation
EP2472307A4 (fr) * 2009-08-31 2013-05-01 Hoya Corp Élément polarisant et méthode de fabrication de lentilles polarisantes
US9778485B2 (en) 2010-10-21 2017-10-03 Essilor International (Compagnie Generale D'optique) Process for applying a film structure onto a lens blank
EP3312662A1 (fr) 2016-10-21 2018-04-25 Carl Zeiss Vision International GmbH Brillenglas und verfahren zu dessen herstellung
EP3531195A1 (fr) 2018-02-27 2019-08-28 Carl Zeiss Vision International GmbH Verre de lunettes comprenant au moins une couche nanostructurée et/ou microstructurée
EP3561576A1 (fr) 2018-04-24 2019-10-30 Carl Zeiss Vision International GmbH Verre de lunettes comprenant au moins un verre mince et son procédé de fabrication
EP3561581A1 (fr) 2018-04-24 2019-10-30 Carl Zeiss Vision International GmbH Verre de lunette à revêtement photochromique et son procédé de fabrication
EP3812142A1 (fr) 2019-10-23 2021-04-28 Carl Zeiss Vision International GmbH Procédé de fabrication d'un verre de lunettes et produit comprenant un verre de lunettes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1674898B1 (fr) 2004-12-21 2009-10-21 Corning Incorporated Polariseurs de lumière et leur méthode de fabrication

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Publication number Priority date Publication date Assignee Title
FR2590889A1 (fr) * 1985-08-13 1987-06-05 Corning Glass Works Perfectionnements a la fabrication de verres stratifies transparents polarisants et verres ainsi obtenus
EP0388719A2 (fr) * 1989-03-20 1990-09-26 Corning Incorporated Structure d'une lentille laminée
US20010038438A1 (en) * 1999-12-29 2001-11-08 Beeloo Edward A. Formed polyethylene terephthalate polarizing film for incorporation in optical-grade plastic parts
WO2002073291A1 (fr) * 2001-03-13 2002-09-19 Younger Mfg. Co. Dba Younger Optics Lunetterie polarisée en polymère hautement antichoc de haute qualité optique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590889A1 (fr) * 1985-08-13 1987-06-05 Corning Glass Works Perfectionnements a la fabrication de verres stratifies transparents polarisants et verres ainsi obtenus
EP0388719A2 (fr) * 1989-03-20 1990-09-26 Corning Incorporated Structure d'une lentille laminée
US20010038438A1 (en) * 1999-12-29 2001-11-08 Beeloo Edward A. Formed polyethylene terephthalate polarizing film for incorporation in optical-grade plastic parts
WO2002073291A1 (fr) * 2001-03-13 2002-09-19 Younger Mfg. Co. Dba Younger Optics Lunetterie polarisée en polymère hautement antichoc de haute qualité optique

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7625626B2 (en) 2004-12-21 2009-12-01 Corning Incorporated Light polarizing products and method of making same
US7922847B2 (en) 2004-12-21 2011-04-12 Corning Incorporated Light polarizing products and method of making same
WO2008106098A1 (fr) * 2007-02-28 2008-09-04 Corning Incorporated Article polarisateur de lumière et de dispersion de teinture, et procédé de fabrication
US8551582B2 (en) * 2007-02-28 2013-10-08 Corning Incorporated Light polarizing articles and method of making same
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FR2861852B1 (fr) 2006-02-17

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