Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
  • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
  • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
  • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
  • B32B17/10165—Functional features of the laminated safety glass or glazing
  • B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
  • B32B17/1022—Metallic coatings
  • B32B17/10229—Metallic layers sandwiched by dielectric layers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
  • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
  • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
  • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
  • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
  • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
  • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
  • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
  • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
  • B32B17/10165—Functional features of the laminated safety glass or glazing
  • B32B17/10541—Functional features of the laminated safety glass or glazing comprising a light source or a light guide
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
  • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
  • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
  • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
  • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
  • B32B17/10651—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer comprising colorants, e.g. dyes or pigments
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
  • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
  • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
  • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
  • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
  • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
  • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
  • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
  • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
  • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
  • B32B17/10788—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing ethylene vinylacetate
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
  • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
  • F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
  • F21Y2115/00—Light-generating elements of semiconductor light sources
  • F21Y2115/10—Light-emitting diodes [LED]

Definitions

• a luminous glazing by illuminating a glass by the wafer with a light source such as a set of light-emitting diodes.
• the light thus injected is guided by total internal reflection inside this glass thanks to the refractive index contrast with the surrounding materials.
• This light is then extracted using means that are conventionally a diffusing layer.
• the diodes can be controlled to provide via the scattering pattern a continuous or flashing light zone or changing color.
• the subject of the invention is a luminous glazed unit, preferably for an access door between first and second spaces, comprising:
• a laminated glazing unit comprising:
• first laminating interlayer made of first polymeric material, preferably thermoplastic or even thermoset, in particular transparent, which is of refractive index n3 or opaque (at least on a so-called separating zone detailed later),
• a second glazing transparent, clear, extraclear, even tempered
• a second glazing transparent, clear, extraclear, even tempered
• n2 refractive index
• n2 refractive index
• n2 refractive index
• n2 refractive index
• 1 refractive index
• n2 refractive index
• first window guiding the light emitted by the first light source, first source of light controlled statically or (preferably) dynamic to emit (preferably in green for signaling) at time tO a first main radiation to a first wavelength called ⁇ 1 (preferably green) and preferably switchable to emit (preferably in the red for signaling) at time t ' ⁇ t0 a second main radiation at a second so-called second wavelength ⁇ 2 distinct from ⁇ 1
• n3-n1 being, in absolute value, greater than 0.01 at the wavelengths of the first light source and better in all the visible spectrum
• first light extraction means (resulting from the guide) associated with the internal face, comprising one or a plurality of first extraction patterns (preferably diffusing), defining a first extraction surface partially covering the internal face, the extracted light being visible on the external face side, the first extraction means being such that the light extracted at said tO is of a first color called C1 (C1 preferably in green, corresponding to a passing state of a door of access, C1 main radiation ⁇ '1 substantially equal to ⁇ 1) and preferably said t 'is a second color said C2 distinct from the first color C1 (C2 preferably in the red, corresponding to a stop for an access door, and / or C2 main radiation ⁇ '2 substantially equal to ⁇ 2), in particular first means of extraction of light directly on the internal face, in particular internal (rendered) diffusing surface or diffusing layer, in particular white, preferably defined by a clarity L * of at least 50, directly on the internal face or in the first interlayer when the first material is transparent or on the first laminating interlayer
• a first reflective layer (specular reflection, mirror etc.), monolayer or multilayer, extending (directly) on (preferably all) the inner face outside the first extraction surface, the first glazing with the first reflecting layer having a light reflection RL, measured on the side of the outer face, from at least 20%, better still at least 50%, and even at least 60% and preferably a light transmission TL less than or equal to 3%, even at 1% or at 0,5% measured on the side of the internal face,
• a second light source preferably a set of light-emitting diodes (on a second PCB support, aligned or in a row, in a strip (s)), preferably identical to the first light source), or even a fiber optical extractor with primary source of light (diode (s)), optically coupled to the second glazing preferably by the second wafer or even one of the faces at the periphery of the second wafer (in particular with a housing of the diodes), the second glazing guiding the light emitted by the second light source, and preferably when the first material is transparent refractive index n3 and the diffusing bonding side forming the second light extraction means, n3-n2 being, by value absolute, greater than 0.01 at the wavelengths of the second light source and better in the visible spectrum as a whole,
• second light extraction means (resulting from the guide) associated with the bonding face, comprising one or a plurality of second extraction patterns (preferably diffusing), defining a second extraction surface partially covering the face of the film; gluing, the light thus extracted being visible on the outer side, second light extraction means such that the light extracted at t0 is of a color called C3 distinct from C1 (C3 preferably in the red, corresponding to a stop for a access door, main radiation ⁇ '3 substantially equal to ⁇ 3, distinct from ⁇ '1 of at least 20nm, 40nm and even 80nm, ⁇ '3 preferably from red), preferably substantially equal to C2 ( ⁇ ' 3 substantially equal to ⁇ '2) and preferably said t 'a color called C4 distinct from C3 (C4 preferably in green, corresponding to a passing state of an access door, C4 main radiation ⁇ ' 4 substantially equal to ⁇ 4, dist inct of ⁇ '3 of at least
• each of the second extraction patterns being offset from the first extraction pattern or patterns, each of the second extraction pattern or patterns being opposite the first reflecting layer, and separated by a (minimum) distance D from the first surface of the extraction of at least 0.8cm better by at least 1 cm and even at least 2cm and generally less than 10cm
• a second reflective layer (specular reflection, mirror etc.), monolayer or multilayer, extending (directly) on (preferably all) the bonding surface outside the second extraction surface, the second glazing with the second reflective layer present and a luminous reflection RL, measured on the side of the face from at least 20%, and even at least 60% and preferably a light transmission TL less than or equal to 3% even at 1% or at 0.5% measured on the side of the bonding face the first extraction surface facing the second reflective layer,
• anti-radiation mixing means of the first and second sources extracted at the level of the first extraction surface and at the level of the second extraction surface which comprise opaque masking means arranged between the first and the second reflective layer.
• access color such as green
• waiting color such as red
• each space can have one or more bright patterns of color, switching type (and shape) adapted and a function adapted decorative or (more) functional (lighting).
• it can be a partition between two offices, between two rooms or living room and other space in a store; it may be partition wall space, including rays, for example totems or a fitting room.
• the color can change depending on the time of day (or seasons) as the intensity.
• Source control on each side can be automatic and / or manual.
• D can vary from one pattern to another.
• the first and / or second extraction patterns may be solid (solid pattern) or a set of discrete patterns giving (by far) the appearance of a solid light area.
• the first lamination interlayer is preferably transparent
• the opaque masking means comprise (preferably consist of):
• the first reflecting layer comprises (consists of) a first layer of silver, even more preferably silvering (forming a mirror), preferably directly on the internal face, preferably at least 30 nm. , 40nm and even at least 60nm and better still at least 90nm (and better still at most 120nm), and said RL being at least 60% even at least 85% or 90% (and even said TL being at most 2% and even at most 1% and even at most 0.5% or 0.05%) and the first opaque masking layer comprises (consists of) a paint (mono or multilayer) - typically protection of the first silver layer by silvering, - (especially directly) on the first layer of silver (and preferably in contact with the first interlayer lamination).
• the painting is classically more than ⁇ ⁇ .
• the second reflecting layer (identical or similar to the first reflecting layer) comprises (consists of) a silver layer, called a second silver layer, even more preferably silvering (forming a mirror), preferably directly on the face bonding, preferably at least 30nm 40nm and even at least 60nm and better still at least 90nm (and better still at most 120nm), said RL being at least 60% even at least 85nm % or 90% (and even said TL being at most 2% or at most 1% and even at most 0.5% or 0.05%) and the second opaque masking layer (same or similar) at the first layer opaque) comprises a paint (mono or multilayer) - typically protection of the second silver layer by silvering - the second layer of silver (especially directly) on the second layer of silver (and in contact with the first layer of silver). lamination).
• the painting is classically more than ⁇ ⁇ .
• the masking layers are preferably deposited by a liquid route, preferably by silvering.
• the first reflective layer of silver in particular by silvering, may be deposited on the internal face and the first masking layer (paint or other layer) on the face facing the first lamination interlayer, for example by printing.
• the second silver reflective layer in particular by silvering, can be deposited on the bonding face and the second masking layer (paint or other layer) on the face facing the first lamination interlayer, for example by printing.
• the first silver reflective layer in particular silvered, is deposited on the inner face and the first masking layer on the first silver reflective layer.
• the first and second reflective layers are identical or similar and even masking layers (paint) are identical or similar.
• the first interlayer for lamination in particular PVB
• EVA, PU can have a first face on the inner side having a first masking layer and on the other side a second masking layer.
• the opaque masking means comprise (consist of) an opaque element (opposing the passage of light) preferably monolithic and single.
• an opaque film in the mass in particular a tinted plastic, spaced apart from first and second reflective layers between the first laminating interlayer (selected transparent) in contact with the first reflecting layer and the first extraction surface and a second laminating interlayer (transparent) in contact with the second reflecting layer and the second reflecting surface; 'extraction
• an opaque layer such as a paint (lacquer) or enamel on an additional transparent substrate (thin film, in particular flexible plastic such as a polyethylene terephthalate (PET), or glass) between the first laminating interlayer (chosen transparent) in contact with the first reflective layer and the first extraction surface and a second laminating interlayer (transparent) in contact with the second reflective layer and the second extraction surface.
• additional transparent substrate thin film, in particular flexible plastic such as a polyethylene terephthalate (PET), or glass
• the opaque masking means are at least
• first extraction surface partially or preferably entirely
• second extraction surface partially or preferably entirely
• a so-called opaque (very absorbent or very reflective, at least TL as small as possible) lamination insert between two transparent lamination interleaves in the at least one separating zone and facing the first surface of the lamination surface. extraction (partially or preferably entirely), and the second extraction surface and better in the attack zone.
• this opaque element such as a lamination interlayer, covers the entire surface of the laminated glazing by simplicity and for optimum efficiency.
• D is a safety distance, and could possibly be lowered to 0. It is preferred to maintain offset first and second extraction surfaces.
• the masking means comprise (better consist of) the first lamination interlayer (which is chosen to be opaque, highly absorbent or highly reflective), preferably in contact with the first reflecting layer and the first extraction surface, and contact with the second reflective layer and the second extraction surface, or alternatively comprise a second lamination interlayer (which is chosen opaque, highly absorbent or highly reflective) between the first transparent lamination interlayer and the gluing face.
• the first lamination interlayer which is chosen to be opaque, highly absorbent or highly reflective
• a second lamination interlayer which is chosen opaque, highly absorbent or highly reflective
• the first lamination interlayer (or the second) preferably covers (substantially) the entire lamination surface for simplicity and for optimum efficiency.
• D is a safety distance, and could possibly be lowered to 0. It is preferred to maintain offset first and second extraction surfaces.
• the first reflective layer preferably comprises a stack of thin layers comprising a possible thin underlayer, in particular dielectric, for example an oxide and / or a metal or silicon nitride, a thin metal layer (optionally nitrided ) and a thin overcoat, especially dielectric, for example an oxide and / or a metal nitride or silicon, said RL being at least 20% and even at least 50% or 60% and better with said TL of not more than 10% and not more than 5%.
• dielectric for example an oxide and / or a metal or silicon nitride
• a thin metal layer optionally nitrided
• a thin overcoat especially dielectric, for example an oxide and / or a metal nitride or silicon
• the second reflective layer (identical or similar to the first reflective layer) comprises a thin film stack comprising a possible thin underlayer, especially dielectric, for example an oxide and / or a metal or silicon nitride, a thin layer metal (optionally nitrided) and a thin overcoat, especially dielectric, for example an oxide and / or a metal nitride or silicon, said RL being at least 20% and even at least 50% or 60 %% and even better with said TL of at most 10% and even at most 5%.
• a possible thin underlayer especially dielectric, for example an oxide and / or a metal or silicon nitride
• a thin layer metal optionally nitrided
• a thin overcoat especially dielectric, for example an oxide and / or a metal nitride or silicon
• the thin metal layer (or the thin metal layers) is deposited by physical vapor deposition, in particular by magnetron sputtering.
• the metal thin layer is chosen from a layer of aluminum, zinc, chromium, tin, nickel, niobium (in particular niobium nitride), or preferably stainless steel, or of silver or copper, for example metal thin layer deposited by physical vapor deposition, in particular by magnetron sputtering or by evaporation.
• the term "thin layer” is intended to mean a monolayer of submicron thickness, preferably of thickness less than 300 nm, even at 150 nm and better still less than or equal to 100 nm.
• the thin metal layer (away from the front face) can be arranged (directly) a preferably mineral overcoat, especially dielectric, for example an oxide and / or nitride and preferably a thin layer for example deposited by physical vapor deposition, in particular by magnetron sputtering and even more preferably by the same deposition technique as the metal thin layer.
• dielectric for example an oxide and / or nitride
• a thin layer for example deposited by physical vapor deposition, in particular by magnetron sputtering and even more preferably by the same deposition technique as the metal thin layer.
• the first and / or second reflecting layer may in particular be a stack of thin layers:
• the number of thin layers is less than 5, or even less than or equal to 4 or even 3,
• the first and / or second reflecting layer may in particular be a stack of thin layers comprising in this order (away from the front face):
• dielectric for example an oxide and / or a nitride
• a thin overcoat especially dielectric, for example an oxide and / or nitride, (directly) on the thin metal layer.
• the overlayer (mono or multilayer) and the possible undercoat (mono or multilayer) are used in particular to adjust the color, improve durability and transformability.
• the first and / or second reflecting layer is a stack of thin layers comprising a thin sublayer of silica, a thin metal layer of chromium, in particular with a thickness greater than 8 nm, an overcoat of nitride of silica and any other optionally titanium-based overcoat, particularly of thickness less than 5 nm.
• This latter layer is used for mechanical durability and hardenability.
• the first and / or second reflective layer using chromium is not altered by a humid atmosphere, for example a body of water, unlike silvering which requires the addition of opaque anti-corrosion paint.
• the first and / or second reflective layer using chromium also has scratch resistance comparable to pyrolized layers, and is resistant to cleaning and disinfection.
• the first and / or second reflective layer using chromium is quenchable (that is to say capable of undergoing thermal quenching).
• the thermal quenching can be performed on the first glass sheet before depositing this layer on the front face.
• the thermal quenching may also be performed on the first glazing already coated with the chromium layer on the front face (and optionally with an adjacent glass frit layer) or another hardenable metal thin layer.
• the first and / or second reflective layer using chromium can be obtained by magnetron sputtering.
• the metal layer stack chrome for example may be that used in the MIRASTAR® product sold by the company SAINT-GOBAIN GLASS.
• the first and / or second reflective layer using chromium is not necessarily completely opaque.
• the reflective layer using chromium typically has a light reflection of the order of 60% and a light transmission of the order of 3%.
• the first and / or second reflective layer is a stack of thin layers comprising in this order (away from the front face):
• a thin sub-layer selected from a layer of silicon nitride, titanium oxide (Ti0 2), tin oxide (Sn0 2), compound oxide of zinc and tin (SnZnO x) silicon nitride and zirconium (SiZrNx), in particular with a thickness preferably of less than 150 nm,
• a thin metallic layer of niobium, or of niobium nitride in particular with a thickness of at least 20 nm and preferably less than 100 nm,
• a thin overcoat in particular having a thickness of at least 20 nm and preferably less than 100 nm, chosen from a layer of silicon nitride, titanium oxide, tin oxide, mixed zinc oxide and tin, silicon nitride and zirconium.
• the underlayer and the overlayer are identical.
• the first and / or second reflective layer, in particular deposited on the front face and / or the diffusing means in layer (s), in particular deposited on the front face may preferably be essentially mineral, just like the first sheet of glass.
• the front face of the first glass sheet may be coated with the first and / or second reflective layer and the first glazing may be thermally tempered with the reflective layer, in particular with a mineral overcoat, particularly dielectric, for example a oxide and / or nitride and preferably thin and optionally with one or more layers, preferably substantially mineral (s), in particular enamel or glass frit, forming the diffusing means, on the first glazing and / or optionally a decorative layer, preferably essentially mineral, in particular enamel or glass frit, on the rear face.
• a mineral overcoat particularly dielectric, for example a oxide and / or nitride and preferably thin and optionally with one or more layers, preferably substantially mineral (s), in particular enamel or glass frit, forming the diffusing means, on the first glazing and / or optionally a decorative layer, preferably essentially mineral, in particular enamel or glass frit, on the rear face.
• the first and / or second reflective layer is a thin film stack comprising a thin metal layer of stainless steel, in particular with a thickness greater than or equal to 5 nm and less than 50 nm or even 20 nm, and a thin overcoat of titanium nitride in particular with a thickness greater than or equal to 5 nm and less than 150 nm, preferably between 20 and 30 nm, including these values.
• the first extraction pattern or patterns are preferably identical to the second pattern (s) of extraction in the case of an access door and preferably offset vertically by the distance D (constant or variable ).
• the first and second light sources are preferably on the same side of the laminated glazing, in particular housed in a frame for attachment to a gantry.
• the above-mentioned opaque masking means according to the invention may be black or gray (dark) or even white.
• a transmission factor (at the main wavelengths of C1 and / or C2 and / or C3 and / or C4, and even throughout the visible) of at most 2% and even at most 1% or 0 , 5% (including a TL of not more than 2% and not more than
• opaque is preferably understood to mean for the first opaque layer an optical density of at least 2 and better still of at least 2.5 and even 3 more preferably of 2.8 to 4.5 and in particular of 3 to 4.
• opaque means for the second opaque layer are preferably understood to mean for the first opaque layer an optical density of at least 2 and better still of at least 2.5 and even 3 more preferably of 2.8 to 4.5 and in particular of 3 to 4.
• a transmission factor (at the main wavelengths of C3 and / or C4 and / or C1 and / or C4 and even in all the visible range) of at most 2% and even at most 1% or not more than 0.5% (including a TL of not more than 2% and not more than 1% or not more than 0.5% or not more than 0.05%)
• opaque for the opaque second layer is preferably understood to mean an optical density of at least 2 and better still of at least 2.5 and even more preferably of 2.8 to 4.5 and in particular of 3 to 4.
• opaque means for the opaque element in particular the first (or second) lamination interlayer (or an additional polymeric film):
• an absorption at the main wavelengths of C1 and / or C2 and / or C3 and / or C4, and even in all the visible range) of at least 80% and even at least 90% , or an LR of at least 50%
• the first (or second) lamination interlayer (or an additional polymeric film) forming or forming part of the masking means has a TL of at most 10%, better at most 2% and even at least plus 1% or not more than 0.5% and not more than 0.1% or less.
• thermoplastic material made of ethylene vinyl acetate (EVA) or else of polyurethane (PU) or of polyvinyl butyral (PVB).
• EVA ethylene vinyl acetate
• PU polyurethane
• PVB polyvinyl butyral
• thermally crosslinkable (epoxy, PU) or ultraviolet (epoxy, acrylic resin) multi-component or single-component resin sheet is preferred.
• the first interlayer for lamination is for example submillimetric, in one or more sheets at the assembly
• the first laminating interlayer is preferably chosen from EVA and
• EVA has the advantage of adhering well to the usual protective paints of silver mirrors.
• the protective paint may be monolayer or multilayer.
• a tin treatment is often carried out after silvering, in order to partly promote the adhesion of the upper layers and secondly to potentially improve the resistance to silver. the corrosion of silver.
• One or more protective layers are then deposited on the silver layer.
• patent application FR2936340 describes a mirror comprising a protective coating combining two successive layers of paints of different types. These paints can be organic type or inorganic type, solvent or aqueous.
• the total thickness of this protective paint (in multilayer here) once dry is about 50 ⁇ " ⁇ .
• the protective paint may be a lacquer.
• the lacquer layer is preferably subjected to the action of a plasma, in particular by a treatment of the corona discharge type, before heat treatment.
• a plasma in particular by a treatment of the corona discharge type
• first (respectively second) reflecting layer in the form of a stack of thin layers, EVA or PVB can be used interchangeably.
• PVB white, black ..
• Vanceva Polar White® Saflex product
• Vanceva® Absolute black of Solutia mainly absorbent
• Kuraray Trosifol Diamond White® from TL Null, Reflector
• EVA white, black, etc.
• opal EVA such as Bridgestone's EV038® and Pujol's EVALAM color black® (ref LAEV200CO2).
• first and second extraction means are respectively internal face side and bonding for better durability (resistance to soiling etc.) and avoid spurious reflections.
• the inner face is diffusing in particular by sandblasting or acidizing or receives a diffusing layer including white as an enamel or paint).
• And / or the bonding surface is diffusing in particular by sandblasting or acidic or even receives a diffusing layer including white as an enamel or paint).
• the outer (or outer) face is preferably free (of coating, covering) except possibly other extraction means including temporary (sticker, erasable marker ...) preferably offset from the extraction means on the opposite side.
• the first and second light sources are preferably arranged on the same side of the laminated glazing (first and second slices are on the same side, laminated glazing edge) if the slice opposite to the first and second slices is visible. This is the case for a subway access door with two leaves (glass units according to the invention) side by side and retractable for the passage of the user.
• the luminous glazed assembly may comprise, at the periphery of the first wafer and the second wafer, a profile, in particular at least partly metallic, protruding on the outer face preferably over a distance W between 1 cm and 3 cm, enclosing or carrying the first light source and the second light source.
• the profile can thus be used to hide the vision of hot spots.
• the profile is not necessarily in optical contact with the outer face.
• the profile can be:
• the high-angle rays are reflected on the reflector and go further or are absorbed by the opaque (rendered surface) profile.
• the first radiation has a given first spectral range.
• the second radiation has a second spectral range given.
• the first (respectively second) main radiation according to the invention means the most intense radiation in the spectral range emitted at time t0 (respectively t ') by the first light source.
• third (respectively fourth) main radiation according to the invention is meant the most intense radiation in the spectral range emitted at time t0 (respectively t ') by the second light source.
• the spectral range of the first radiation is narrow at most 50nm and is non-overlapping with the spectral range of the second radiation also narrow or with an overlap of less than 50nm for normalized intensities less than 0.15, for example overlap between red and amber or between green and blue.
• the signaling colors commonly used today are searched. Therefore :
• the first source emits in the green with ⁇ 1 in a range from 515 nm to 535 nm and preferably with a spectral width at mid-height of less than 50 nm (and the extracted light C1 is green defined by a first radiation extracted at ⁇ 1 'substantially equal to ⁇ 1, for example distinct from at most 10nm or 5nm and preferably with a spectral width at mid-height of less than 30nm),
• the second source emits in the red with ⁇ 3 in a range from 615nm to 635nm and preferably with a spectral width at mid-height of less than 30nm (and the extracted light C3 is red defined by a third main extracted radiation at ⁇ 3 'substantially equal to ⁇ 3, for example distinct from at most 10nm or 5nm and preferably with a spectral width at mid-height of less than 30nm) or else white
• the first source emits in the red with ⁇ 2 in a range from 615nm to 635nm and preferably spectral width at mid-height of less than 30nm (and the extracted light C2 is red defined by a second main extracted radiation at ⁇ 1 'substantially equal to ⁇ 1, for example distinct from at most 10 nm or 5 nm and preferably with a spectral width at mid-height of less than 30 nm)
• the second source emits in the green with ⁇ 4 in a range from 515nm to 535nm and preferably of spectral width at mid-height of less than 50nm (and the extracted light C4 is green defined by a fourth main extracted radiation at ⁇ 4 'substantially equal to ⁇ 4, for example distinct from at most 10nm or 5nm and preferably with a spectral width at mid-height of less than 30nm) or alternatively the first source continues to emit in the red with ⁇ 4 in a range ranging from 615nm to 635nm and preferably from spectral width at mid-height of less than 30nm (and the extracted light C4 is red defined by a fourth main extracted radiation at ⁇ 4 'substantially equal to ⁇ 1, for example distinct from at most 10nm or 5 nm and preferably with a spectral width at mid-height of less than 30 nm).
• the first light source is a set of light-emitting diodes - preferably aligned - on a printed circuit board called first PCB support (preferably strip) and coupled to the first wafer
• the second light source is a set of light-emitting diodes-preferably aligned-on a printed circuit board said second PCB support and coupled to the second wafer which is preferably aligned (or shifted) of the first wafer or aligned or even shifted from the opposite wafer to the first slice.
• the first and second PCB supports are spaced, joined or in a common PCB support (first and second side of the same side) for example glued with a thermal glue to a metal profile.
• the first (second) PCB support or the common support may be a resin composite (epoxy) reinforced with glass fiber (often called FR-4), metal (aluminum, copper, etc.). It is preferably of millimeter thickness (less than 10 mm preferably) or even at most 1 mm.
• the glazed assembly can also operate in static mode, that is to say only propose the combination C1 and C3 (or C1 and off state C2, or C3 and C4 off state if any).
• the first light source may even contain only first diodes at ⁇ 1 and the second light source contain only third diodes at ⁇ 3.
• the first source comprises a first diode which emits in the green with ⁇ 1 in a range from 515nm to 535nm, and t 'the first source comprises a second diode which emits in the red with ⁇ 2 in a range from 615nm to 635nm.
• the response of the eye is better for green than for red and furthermore glass (mineral or organic) absorbs more red than green. We can perceive a red too pale.
• the electrical circuit of the first diode is adjusted (resistor (s) adapted (s) etc.) so that the flow F1 (or power) emitted by the first diode is less than 0.8, even less than equal to 0.7 or 0.6 times the flux F2 (or the power) emitted by the second diode.
• the second light source emitting in the red at tO then in the green at t ' is adjusted (resistor (s) adapted (s) etc.) so that the flow F1 (or power) emitted by the first diode is less than 0.8, even less than equal to 0.7 or 0.6 times the flux F2 (or the power) emitted by the second diode.
• it is the same for the second light source emitting in the red at tO then in the green at t '.
• the luminous intensity of the red diode is greater than that of the green diode and / or to have on the first PCB support a number of red diodes per unit of PCB support length greater than the number of green diodes per unit length of PCB support.
• the second light source emitting in the red at tO then in the green at t ' is the same for the second light source emitting in the red at tO then in the green at t '.
• n integer greater than or equal to 1: two red diodes / one green diode ...
• n integer greater than or equal to 1: two red diodes / one green diode
• n' integer greater than or equal to 1, preferably equal to n: two red diodes
• the Luminance at the normal side external face (respectively outer face) with green C1 (or C2 red) is preferably at least 80cd / m 2 especially for the access doors.
• the normal luminance on the outer side (outer side) is preferably uniform to +/- 10 cd / m 2 .
• the normal luminance at the external side side with green C1 may be less than the luminance at the normal side external side with C2 red side external side to account for the response of the eye, especially for the doors of access.
• the first and second light sources are preferably arranged on the same side of the laminated glazing (in particular if free opposite slice) and in particular masked by a mounting profile of the glazed assembly which even also bear first and second light sources.
• the first light source is preferably a first set of light emitting diodes - preferably aligned - on a printed circuit board said first PCB support (preferably strip) and coupled to the first wafer including being glued to the first wafer by a optical adhesive or a double-sided transparent adhesive or being spaced from the first slice of not more than 5mm and even not more than 2mm -by air (or vacuum).
• the second light source is preferably a second set of light emitting diodes - preferably aligned - on a printed circuit board said second PCB support and coupled to the second wafer in particular by being glued to the second wafer by an optical glue or a transparent double-sided adhesive (thickness less than 50 ⁇ - ⁇ ) when the diodes are with a primary encapsulation or being spaced from the second slice of at most 5mm and even at most 2mm - by a space, by air (or vacuum) - especially when the diodes are without primary encapsulation.
• the first and second PCB supports may be on a common PCB support if the first and second slices are on the same side and preferably substantially aligned (for a distance of at most 5mm and even at most 2mm between diodes and first or second slices).
• the common PCB support can therefore be wide enough to carry first and second sets of diodes.
• the common support PCB (and diodes) can even be glued on the first and second slices of the laminated glazing by an optical adhesive or a transparent double-sided adhesive especially when the diodes are with a primary encapsulation.
• the common carrier carries the first set on a first main face and the second set on the opposite face.
• a metal PCB is preferred for heat dissipation.
• PCBs are contiguous or spaced for example by a metal part.
• the laminated glazing comprises a so-called central slice between first and second slices (between inner face and bonding face).
• the glass unit may comprise a so-called common partitioning preferably reflective as a metal part (such as aluminum etc.) or piece with two reflective coatings (metal ..) on both sides , or even opaque common partitioning between the first and second light sources (preferably diodes) arranged on the same side of the laminated glazing - thus first and second slices on the same side of the laminated glazing, (in particular without significant shift, of more than 1 mm , of the first slice and the second slice), able to prevent all or part of the refraction of the light emitted by the first light source (diodes) to the central slice and / or the second slice and preventing all or part of the refraction of the light emitted by the second light source (diodes) to the central slice and / or the first
• the first and / or second PCB support or a PCB support said common PCB support forming the first and second PCB supports has for example a main face facing the first and second slices and the first and / or second PCB support or the Common PCB support carries common partitioning.
• first and the second light source are arranged are two distinct sides, in particular opposite sides of the laminated glazing unit (thus first and second slices of two distinct, notably opposite, sides of the glazing unit). laminated) the light sources (diodes) are on distinct sides (opposite or even adjacent) of the laminated glazing, there is provided means said first preferably reflective partition (such as a metal part including aluminum etc.) or piece with two reflective coatings (metal etc) on both sides or first opaque partition, first partition capable of preventing all or part of the refraction of the light emitted by the first light source (diodes) to the central slice and / or the edge of the second glazing side first slice and is provided a so-called second partition means, preferably reflective (such as a metal piece including aluminum etc.) or piece with two reflective coatings (metal etc.) on both sides or even second opaque partition, able to prevent all or part of the refraction of the light emitted by the second light source (diodes) to the central niche and / or the
• the first (respectively second) partitioning preferably reflects or absorbs (all or part, at least the majority) of the most lateral radii - for example emitting in the green of the first source (respectively second) unguided in the first wafer ( respectively second) which could be guided via the central slice and extracted by the second (respectively first) means of extraction - for example doomed to extract red - and / or more likely the more extreme ones that could be guided in the second glazing (respectively first) and be extracted by the second (respectively first) extraction means.
• Lateral rays - for example emitting in the green - from the first unguided source in the first slice which could be guided in the central slice and be extracted by the second extraction means - for example doomed to extract red -, and / or more likely the more extreme ones that could be guided in the second glazing and extracted by the second extraction means -
• Lateral radii - for example emitting in the red - of the second source (diodes) unguided in the second slice that could be guided in the central slice and be extracted by the first extraction means - for example dedicated to extract from the green - and / or more likely the more extreme ones that could be guided in the first glazing and be extracted by the first extraction means - for example doomed to extract green.
• the common partitioning is preferably a reflective piece, in particular a metallic part, or with a reflective coating, in particular a metallic coating, even opaque on the first source side (diodes), (substantially) parallel to the plane of the first glazing unit, and a reflective coating, in particular metallic or even opaque second source side (diodes), (substantially) parallel to the plane of the second glazing,
• the common partitioning or the first partitioning does not exceed on the first portion (respectively the second) or exceeds less than 1 mm.
• the common partitioning (respectively the first and / or the second partitioning) is preferably of thickness less than or equal to the thickness between the inner face and the bonding face or the thickness of the central slice.
• the common partitioning (respectively the first and / or second partitioning) comprises a part (support coating (s) preferably) preferably against or spaced from the so-called central portion of at most 1 mm and even at most 0 , 5mm.
• the common partitioning and the central slice there is no glue or other means of attachment.
• the common partitioning as a piece (bar) with reflective coating (s) or opaque (s) or a reflective piece (metal, aluminum etc.) can be fixed (glued) or in a notch of a common PCB support facing the slice of the laminated glazing, in particular when the first and second sources are top-emitting diodes or of another part (part of a profile for example of mounting facing the central slice).
• the common partitioning may comprise a part with reflective or even opaque coatings or a reflective piece (metal, aluminum etc) or opaque, preferably protruding from the first light source (top-emitting diodes) and the second source (top-emitting diodes) to the first and second slices.
• the first set of light-emitting diodes and the second set of light-emitting diodes are for example arranged on the same side of the laminated glazing and top emission (top emission in English), the first and second slices being on the same side, and a PCB support said common PCB support, forms the first and second PCB supports and has a main face facing the first and second slices (and the central slice) and carries the partitioning preferably reflective (metallic as an aluminum part) ) even opaque, or piece with two reflective coatings opaque, preferably protruding relative to the first and second set of light emitting diodes towards the first and second slices.
• the common support PCB (and diodes) can even be glued on the first and second slices of the laminated glazing by an optical adhesive or a transparent double-sided adhesive especially when the diodes are with a primary encapsulation.
• the first and second PCB supports may also be on a common support if the first and second slices are on the same side and preferably substantially aligned (and better with a distance of at most 5mm and even at most 2mm between diodes and first or second tranche).
• the first light source comprises a set of first light-emitting diodes on a printed circuit board called the first PCB support and the first diodes are coupled to the first wafer
• the second light source comprises a set of second light-emitting diodes on a printed circuit board said second PCB support
• the second diodes are coupled to the second wafer
• the first set of light-emitting diodes and the second set of light-emitting diodes are arranged on the same side of the laminated glazing and side emission
• the first and second glazing forming a laminated glazing comprising a so-called central slice between the first and second slices
• each of the first and second PCB supports or a common PCB support forming first and second PCB supports has a main face perpendicular to the first and second second tranche s and in that the luminous glazed assembly carries a so-called common partitioning, partitioning preferably reflective piece including metallic or with two reflective coatings, partitioning preventing all or part of the refraction of
• a reflective portion or with a coating (s) reflective (s) of a profile (assembly of the glazed assembly or profiled attachment of the first light source to the first slice, fastening section within the volume inside defined by the mounting profile) eg E or double C section profile or even F or even T 90 °
• the (s) first and second PCB support each have a main face perpendicular to the first and second reflective or reflection-reflective layer (diffuse reflection most often), for example first and second PCB supports joined by their rear face or on a metal spacer or common PCB support (slice next to the central slice ⁇
• PCBs each have a main face perpendicular to the first and second wafers, for example, first and second PCB supports each on an arm of a U-shaped mounting profile whose base carries the bulk partition.
• the first light source may comprise (better consists of) a set of first light-emitting diodes on a printed circuit board called the first PCB support and the first diodes are coupled to the first wafer and comprise first collimation means
• the second Light source comprises (better consists of) a set of second light-emitting diodes on a printed circuit board called second PCB support, and the second diodes are coupled to the second wafer and have second collimation means.
• the majority and better all the diodes of the first and second light sources have such a narrow emission diagram
• Collimation is individual or even common to several diodes of each source (green diodes, red diodes, even green and red diodes) ...
• ⁇ 1-emitting diodes and ⁇ 2-emitting diodes are required as necessary and their distribution (number, spacing) is adjusted to extend along the wafer in the first extraction surface.
• narrow emission diagrams can also be chosen.
• the first source (each diode) is of extension (width of the emitting face) WO less than the thickness of the first glazing typically WO of at most 5 mm and the first source (each diode) substantially centered with respect to the first installment.
• each diode is 1 to 5 mm better from 1 to 3mm.
• the second source (each diode) is of extension (width of the emitting face) WO less than the thickness of the second glazing typically W'O of at most 5mm and the second source (each diode) substantially centered relative in the second installment.
• the distance from 1 to the second slice of the first source 4 (each diode) is 1 to 5 mm better from 1 to 3 mm.
• edge of the second source farthest from the bonding face.
• the slice opposite to the first slice can be polished (and straight) or diffusing.
• the slice opposite to the second slice can be polished (and straight) or diffusing.
• the glazed assembly in particular can comprise:
• a third light source identical to the first light source and opposite, synchronized with the first source, driven (preferably) dynamically, on the edge opposite to the first slice, especially if the first extraction surface has a characteristic dimension along the axis of propagation of light of at least 450mm (away from the first source)
• a fourth light source identical to the second light source and opposite, synchronized with the second source controlled preferably dynamically, on the wafer opposite to the second wafer, especially if the second extraction surface has a dimension characteristic along the axis of propagation of light of at least 450mm (away from the second source).
• the third source is preferably hidden by a mounting profile preferably metal (or rigid plastic, wood) and / or U-section and if necessary as the second source, the fourth source is hidden by a mounting profile for example metallic (or plastic or wood and / or U section.
• the glass unit comprises a mounting frame for example a metal or plastic (rigid) PVC PVC or wood profile) and / or U-section and light sources are in the interior volume between the mounting frame and the slices on the two vertical uprights fixed to the frame or fixed to the glazing by the slice (by a fastening profile for example).
• a mounting frame for example a metal or plastic (rigid) PVC PVC or wood profile
• U-section and light sources are in the interior volume between the mounting frame and the slices on the two vertical uprights fixed to the frame or fixed to the glazing by the slice (by a fastening profile for example).
• the third source may be hidden by a polymeric joint (black, dark etc), for example elastomer (an ethylene-propylene-diene monomer EPDM etc.), especially if in mounting configuration two glass units (leaves ) spaced apart and opening laterally (sliding etc) ..
• This seal does not interfere with the guide, it is not generally not in optical contact and is preferably less than 3cm width on the first glazing for example for more comfort if the leaves fall back too fast (on the pedestrian).
• a mounting profile of the glazed assembly (with a bearing, block, etc.) can be a U (base facing the edge of the glazed assembly and on both sides and side wings on the outer and outer faces) or at E with the central branch of the remote E (spaced apart) from the glazed assembly (laminated glazing) of less than 1 mm or even extending in a groove between the first and second glazings.
• It can be metallic and / or plastic (PVC, rigid) and / or wood. It can be metallic (preferred for heat dissipation if it carries light sources including PCB via thermal glue etc).
• the base may be spaced preferably at most 3 cm and even at most 1 cm from the first wafer (and the second wafer).
• a section for fixing the first (and / or second) light source to the first (and / or second) slice may be a rectangular base (strip) or a T-section, or U (base facing the slice of the glazed assembly and on the one hand and other two lateral wings for example on the outer and outer faces) or in E with the central branch of the distant E (spaced apart) from the glazed assembly (of the laminated glazing) of less than 1 mm or even extending in a groove between the first and second glazing. It may be metallic (preferred for heat dissipation if it carries light sources including PCB via thermal glue, etc.) and / or plastic.
• the fastening profile is preferably:
• first (second) PCB support (preferably metal) with the first (second) set of diodes can be attached to the first (second) wafer without using additional fixation profile, optical glue or double-sided transparent tape.
• the second glazing protrudes from the first slice forming a first protruding zone and preferably the first glazing protrudes from the second slice forming a second protruding zone and the first light source (diodes on PCB support) on a first support (metal, U-shaped or L-shaped or bar ..) which is connected to the first protruding zone and / or in the first protruding zone and not exceeding the second slice and preferably the second light source (diodes on PCB support) is on a second support (metal, U-shaped or L-shaped or bar ...), which is related to the second outgoing area and / or is in the second area exceeding and not exceeding the first area.
• the first glazing may include:
• peripheral recess local, on a fraction of the length of the first slice, lateral or longitudinal
• the second glazing protrudes from the first slice, forming a first protruding zone
• the first light source (preferably a set of diodes) on a first support, such as a printed circuit board, said first PCB support, which is (with the first source) in the peripheral recess or preferably the first protruding zone, and does not exceed the second and even the plane of the outer face.
• a first support such as a printed circuit board
• the first source support is:
• the second glazing may protrude from the first slice by shifting with the first glazing, preferably being of identical size or the like so that on the opposite side the first glazing protrudes from the second slice by shifting with the second glazing forming a second protruding zone.
• the second light source (preferably a set of diodes) on a second support, such as a printed circuit board called second PCB support (of diodes), in the second protruding zone, does not protrude from the first slice of the glazing and even from the plane of the outer face.
• the second source support (PCB) is:
• first PCB support (respectively second PCB support) metal for heat dissipation or fixed from the back to a metal base preferably not exceeding the second wafer (respectively first wafer) and even the plane of the face outside (respectively outer face).
• This base can be a bar, section L or U.
• the hot spots are preferably concealed over a width W of at least 1 cm and preferably of at most 5 cm and better still 3.5 cm.
• the edge of the glass unit is to be concealed (mounting profile, attachment etc.) on the width W between 1 cm and 3cm, by the periphery of the first slice a profile, preferably metal, protruding on the outer and outer faces, the first extraction patterns (diffusing, white or frosted) may be spaced from the first slice of at least the distance W (zone width of the points hot).
• the extraction surfaces can be of various shapes and sizes.
• the first extraction surface may comprise a single pattern of preferably diffusing for example solid, closed and even hollowed out or as a ring.
• the extraction patterns, diffusing are for example geometric: rectilinear or curved strip, concentric circles, L. etc.
• the patterns are identical or distinct, parallel to each other or not, with a distance between them identical or not.
• diffusion means are preferably used, formed either by surface treatment of sand-blasting type glass, acid attack, enamel or diffusing paste deposit, or paint.
• the first (and / or second) extraction means are a white diffusing layer, in particular an enamel or a paint, having a clarity L * of at least 50.
• the color is defined in a known manner by the parameters L * , a * and b * and is measured by a spectrocolorimeter.
• the optical density of a diffusing layer (enamel, paint, ink, etc.), in particular white, for the first and / or second extraction means may be less than 2.5 to even less than 1, 5 or even less than to 1.
• the diffusing layer, in particular enamel may be a continuous layer on the surface, with a width of less than 200 mm, even 100 mm and even more preferentially less than or equal to 50 mm, or be discontinuous and formed of a set of fine patterns.
• the diffusing layer is preferably white, defined by a clarity L * of at least 50.
• the inorganic pigment is chosen such that it has a white coloring.
• This pigment is in particular TiO 2 titanium oxide.
• this white mineral pigment has a clarity L * as defined in the model of chromatic representation CIE Lab (1931) which varies from 65 to 85, measured on the first glazing.
• Clarity L * can be measured under the conditions of the CIE Recommendation (1931) using a D 65 illuminant, a 10 ° observer, in SCE mode (diffuse specular excluded) 8 ° diffuse (CM 600 Minolta).
• the diffusing layer (all or part of the extraction means) consists of particles agglomerated in a binder, said particles having a mean diameter of between 0.3 and 2 microns, said binder being in a proportion between 10 and 40% by volume and the particles forming aggregates whose size is between 0.5 and 5 microns.
• This preferred diffusing layer is particularly described in application WO0190787.
• the particles may be chosen from semi-transparent particles and preferably inorganic particles such as oxides, nitrides, carbides.
• the particles will preferably be chosen from oxides of silica, alumina, zirconia, titanium, cerium or a mixture of at least two of these oxides.
• the extraction enamel has the following composition:
• alumina and / or zinc oxide preferably not more than 20% by weight of alumina and / or zinc oxide.
• the pigments Ti0 2 make the enamel sufficiently opaque (to visualize the enamel in the off state) and lower the TL.
• enamel extraction composition may be enamel under the name Ferro 19401 1 sold by the company FERRO, the reference AF5000 marketed by the company JM, reference VV30-244-1 marketed by Pemco are very white with a gloss greater than 20 and have a low light transmittance of less than 40%.
• it is a plurality of patterns and preferably diffusing (of preferably by a discontinuous diffusing layer).
• the first extraction means can be as already seen a set of diffusing patterns qualified as a network diffusing particularly for a desired large size light zone as uniform as possible.
• the first (second) glazing coated with the first (second) diffusing extraction means in particular enamel, has a light transmission of less than 45% or even 40% or even 35% of the outer (outer) side.
• the first extraction means in particular enamel, extend, for example over the entire face of the glass, discontinuously or according to geometrical shapes sparse curved lines and / or straight.
• the extraction means are for example fractal geometry.
• the first patterns are intaglio, graphic, letter character (with diacritic sign), numeral, alphanumeric, punctuation, symbol, arranged in a frame and / or in a band)
• the first extraction surface may be of straight or curved contour, may be geometric (rectangular) may be of width less than the first glazing and height or length (according to the first slice) less than the height or length of the first glazing.
• the first glazing (like the second glazing) is of rectangular type and of width perpendicular to the ground once mounted.
• an extracting optical fiber can be chosen, with a lateral emitter face (coupled to a primary light source which is typically a diode).
• 3M optical fiber referred to as 3M TM Precision Lighting Elements, is used.
• first light source light-emitting diodes aligned on a first printed circuit board PCB are preferably used, preferably in a bar which may be narrower than the glass unit and even the first glazing unit.
• the diodes may be (pre) encapsulated, that is to say comprising a semiconductor chip and an envelope, for example epoxy resin or PMMA, encapsulating the chip.
• the diodes may include or preferably be simple semiconductor chips eg W0 width of the order of one hundred ⁇ or 1 to 5mm.
• the width of each diode of the first source is preferably less than the thickness of the first glazing.
• the width of each diode of the second source is preferably less than the thickness of the second glazing.
• the diodes may optionally comprise a protective envelope (temporary or not) to protect the chip during handling or to improve the compatibility between the materials of the chip and other materials.
• Each diode of the first source (of the second source) may be chosen in particular from at least one of the following light-emitting diodes:
• a diode whose main direction of emission is perpendicular or oblique with respect to the emitting face of the chip.
• the diodes preferably have a Gaussian (type) spectrum.
• the distance between the chips (or the collimation means if present) and the first coupling portion (respectively the second coupling portion) is less than or equal to 5 mm and even to 2 mm.
• the light extracted from the first extraction patterns may flash, in addition to changing color by means of controlling the first light source, for example a set of emitting diodes of red, green, alternately, and preferably also white (alternating red, green and white).
• pass or means of identification in case of invalidity or non-recognition, to the first source can go from green to red and even blink on a time given (less than 10 s), for example from 1 s to 5 s, and become green again (the second source remaining red).
• the first glazing made of tempered mineral glass, is of thickness
• the second glazing, tempered mineral glass is from 4 to 6.5mm in thickness, in particular identical.
• the firing to form the enamel can be followed by the (single) quenching operation.
• the first (second) glazing can be any type of flat glass
• glass materials include float glass (or float glass) of conventional soda-lime composition, possibly hardened or tempered by thermal or chemical route, an aluminum or sodium borosilicate or any other composition.
• the glass of the first and second glazings can be clear, extra-clear, with a very low content of iron oxide (s).
• iron oxide s
• These are, for example, glasses marketed in the "DIAMOND” range by SAINT-GOBAIN GLASS.
• first and second glazing it is possible to choose a glazing made of silicosodocalcic glass, in particular extraclear glass, may present:
• Each optically coupled slice can be shaped, especially straight and polished.
• the glass may have been heat-treated, at a temperature greater than or equal to 450 ° C, preferably greater than or equal to 600 ° C, in particular is even a tempered glass, hardened bending.
• the thickness of the first glazing is preferably between 2 and 19 mm, preferably between 4 and 10 mm, more particularly between 5 and 9 mm.
• the thickness of the second glazing is preferably between 2 and 19 mm, preferably between 4 and 10 mm, more particularly between 5 and 9 mm. We can prefer equal thicknesses for the two glasses.
• n1 (n2) is typically 1.50 to 1.53.
• the first and / or second extraction surface In static operation, the first and / or second extraction surface is of a given color in the on state (light on). In dynamic operation, the first and / or second extraction surface is of a given color in the on state (light on) and the intensity may vary, or it may flash. In dynamic and switchable operation, the color in the state can be changed in addition.
• the invention is particularly applicable to signaling, and preferably to pedestrian access doors and / or even vehicle incorporating a first luminous glazed assembly as described above and even a second glazed assembly as described above (with surface areas). same or separate extraction of the first set), first and second sets spaced a few mm and between two carriers.
• the first (and second) bright glazed unit can to be an access door (of communication):
• each side is controlled, in a common manner preferably switches at the same time.
• the access door may be in one or two (or more) identical luminous glazed units with identical or complementary one-way lighting:
• each glass unit in the form of a sliding door, in rails,
• each glass unit (ventail) movable in translation or around an axis of rotation.
• the opening of the door (the mobility of the glass unit) can preferably be conditioned (by the use of an identification means, a ticket).
• the access door may include means for receiving a ticket, reading a ticket and operating the door leaf (s) to allow passage.
• the door has a general meaning is not necessarily placed on the ground, via a horizontal amount for example. It can be spaced from the ground (without low post and / or high horizontal) and attached laterally to a bearing (block fixed or placed on the ground).
• the ground is the firm ground or ground of a part of a vehicle (boat, train etc).
• the door can also be in a frame attached to an adjacent masonry.
• Classical luminous landmarks (green arrow, red cross 7) can be kept or removed in the racks.
• the first and second extraction surfaces are more easily recognizable, particularly for persons with reduced vision.
• the invention applies more widely to form signaling and / or light decorations (or even functional lighting) of distinct colors at a given moment on two distinct sides of the glass unit, each signage or decor being switchable. independently preferably automatically or manually by the user (ambient light etc).
• the luminous glazed unit according to the invention can be between a first accessible space (with a pedestrian or vehicle traffic) and second accessible space (with a pedestrian or vehicle traffic).
• the luminous glazed unit according to the invention can be a partition, in particular between two zones of a building or a land, sea or air vehicle or between two outer zones, a balustrade, a step or even a slab.
• floor to floor eg light path to go to an emergency exit
• a closet door e.g., a closet door
• bathroom furniture e.g., a totem.
• the mounting profile of the luminous glazed assembly according to the invention may be a U or E with the central branch of the E spaced from the laminated assembly of less than 1 mm or even extending in a groove between the first and second glazing.
• first glazing there may be on the first glazing a plurality of extraction patterns, especially in horizontal or vertical strips, preferably spaced at least 2cm, 5cm, even at least 10cm.
• the second glazing may be on the second glazing a plurality of second extraction patterns, in horizontal or vertical strips spaced at least 2 cm, 5 cm, even at least 10 cm.
• Figure 1 shows access gantry with double one-way signage in a subway station
• FIGS. 2, 2 ', 3, 4 and 5 are schematic (sometimes partial) views in section of luminous glazed assemblies in several embodiments of the invention.
• FIG. 6a and 6b show another example of light areas on each side of a glazed assembly in interior application.
• Figure 1 shows a series of four access gantries 1000 in a subway station between the 1001 ticket-side hall and the 1002 rowing space (Diagrammatically by rails) each with two independent luminous signals (single vision on the hall / rowing side) and in dynamic mode (by control means of the undescribed, conventional light sources).
• the means for reading a ticket or a pass are not shown and are conventional as the means triggering the opening of the leaves 100.
• Three access gantries each comprise between two carriers 70, for example parallelepipedal and metallic, two leaves 100 of rectangular type (length along the vertical, width of less than 450mm preferably) spaced a few cm, the side edges 15, 16 having here a radius of curvature away from the carrier 70.
• the side slices 15, 16 and the slice 14 opposite the carrier are free, straight, polished or diffusing.
• the fourth gantry (the rightmost) has a single leaf 100 connected to a single bearing (possibly against a glazed elevator wall, a sliding outlet door, etc.).
• Each leaf 100 comprises a laminated glazing unit comprising a first preferably tempered mineral glazing (flat or curved and of any possible general shape) with a first slice, main faces called inner face and outer face 12, a first interlayer of lamination, a second mineral glazing (flat or curved and of any possible general shape, identical to the first glazing) with a second slice and principal faces called bonding face and outer face 12 '.
• the first and second slices are on the same side of the laminated glazing slices aligned or shifted by less than 1 mm.
• the first and third porticoes each comprise on the right-hand side of the hallway 70 a green signaling arrow s1 oriented towards its leaves 100 and each have two green luminous surfaces 50 opposite the hall, in two first bands here horizontal 50 partially covering the first glazing which comprises mirror areas 17 outside the light surfaces via a first reflecting layer (mirror) on the internal face. If the ticket or the pass is invalid, the green surfaces 50 may become red and even flash on a short time (less than 10 s) for example 1 s to 5s and become green again.
• the second portico 100 (from the left) has on the bearing
• a red signaling arrow s2 has two red luminous surfaces 50 hall side, in two horizontally horizontal strips 50 partially covering the second glazing which include mirror areas 17 outside light surfaces via a second reflective layer ( mirror) on the gluing side.
• the first and third porticoes each comprise on the left-hand side 70 on the row 1002 a red arrow of signaling and each have two red luminous surfaces ream side, in two horizontal bands 50 'on the second glazing vertically offset first horizontal stripes (not to face each other), the second glazing having mirror areas 17 outside light surfaces via a second reflective layer (mirror) in front of bonding.
• the illuminated surfaces can be of any shape and extent for signage and / or decor.
• a luminous surface may comprise a fine pattern such as an arrow or be closed and hollow (geometric outline, etc.).
• the following figures 1a, 1b show another example of light areas on the leaves and the arrangement of the first and second light sources in the case of access gantry.
• Hall side we observe in the upper zone (in the mounted position) three horizontal and rectangular first solid strips 5a, for example 1 cm wide and 20 cm long spaced for example 5 cm from one another. On the row side, there are also observed in this high zone three second horizontal 50 'a and rectangular equal identical strips (of the same size and same shape), for example with a width of 1 cm and a length of 20 cm, with the first three strips each vertically offset from each other. first three bands, for example 2cm. Hall side, we observe in the central area a first set of characters 5b such as a LOGO, for example 10cm in length and 4cm in height. On the row side, a second set of characters 5'b is also observed in this high zone, such as a LOGO identical to the first set of characters 5b such as a LOGO vertically offset from the first set of characters 5b, for example 2cm.
• a first set of characters 5b such as a LOGO, for example 10cm in length and 4cm in height.
• Hall side there are observed in the low zone (in mounted position) two solid horizontal and rectangular strips 5c, for example 1 cm wide and 20cm long spaced for example 5 cm apart. Ream side is also observed in this high zone two solid horizontal strips and rectangular 5c identical (same size and same shape) each vertically offset two strips 5c for example 2cm.
• the leaf 100a is a laminated glazing.
• the first glazing is on the hall side, an array of diodes 4 on a PCB support 41 in the form of a strip is optically coupled to the first wafer 13.
• the diodes 4 emit in the green and t 'in the red (or white or other color, blue for any other application).
• the second glazing is reamed, an alignment of diodes 4 'on a PCB support 41' in the form of a strip is optically coupled to the second wafer 13.
• FIG. 2 shows in greater detail a partial sectional view of a glazed unit 200 with a double one-way light zone in a second embodiment comprising a laminated glazing unit comprising:
• a first glazing 1 here of rectangular shape (for example length following the vertical of 780mm, width for example of 250mm), plane or in curved variant (tempered), of clear silicosodocalcic glass or extraclear quenched, (for example about 6mm especially the glass called Planilux of the Applicant, tempered or the Diamond glass of the Applicant), of refractive index n1 of about 1, 52 to 550nm, of T L of at least 90%, with a first main face 1 1 said internal face, a second main face 12 said outer face, a first portion 13 which is vertical in the mounted position,
• a first lamination interlayer 6 made of thermoplastic material, here transparent, preferably EVA, for example submillimetric, in one sheet of 0.38 mm, even clear transparency, of refractive index n3 such that n3-n1, in absolute value, is preferably greater than 0.01 in the visible spectrum (here n3 equal to 1.49 approximately) or in tinted (or opaque) variant
• a second glazing 1 ' made of mineral glass, identical to the first glazing unit, with a main bonding face 1 1' laminating interlayer side 6, a so-called outer facing face 12 ', a second refractive indexing portion 13' n2 of about 1, 52 to 550nm, of T L of at least 90%, with n3 such that n3-n2 in absolute value, is preferably greater than 0.01 in the visible spectrum.
• the glazed assembly 200 further comprises:
• a first light source 4 here a first set of red and green light-emitting diodes 4 aligned on a printed circuit board, said common PCB support 410, source optically coupled to the first wafer 13, the first pane 1 guiding the light emitted by the diodes preferably spaced apart by at most 1 mm from the first slice
• each diode W0 of 4mm or less preferably centered on the first wafer and of width less than the thickness of the first pane 1, for example each diode W0 of 4mm or less
• first light extraction means 5 on the internal face 1 1, comprising a first extraction pattern (or a plurality of first extraction patterns) defining a first extraction surface 50, partially covering the internal face; , the extracted light being visible on the outer side, first extraction means such that the light extracted to said t0 is of a first color called C1 and preferably said t 'is a second color called C2 distinct from C1,
• a first reflective layer 2 extending on the inner face outside the first extraction surface, the first glazing 1 with the first reflective layer 2 having a light reflection RL, measured on the side of the face external 12, at least 20% and even at least 60% and preferably a light transmission TL less than or equal to 3% or even 1% measured on the side of the inner face 1 1
• a second light source 4 ' optically coupled to the second glazing unit by the second wafer 13', the second glazing thus guiding the light emitted by the second light source, the second source of light controlled statically or dynamically, to transmit to said t0 a third main radiation at a wavelength called ⁇ 3 distinct from ⁇ 1 and preferably substantially equal to ⁇ 2 and preferably, to emit at said instant t 'a fourth main radiation at a wavelength called ⁇ 4, preferably distinct from ⁇ 3,
• second light extracting means 5 'on the bonding face 11', comprising a second extraction pattern (or a plurality of second extraction patterns) defining a second extraction surface 50 'partially covering the gluing face, the light thus extracted being visible on the outer face side, second light extraction means such that the light thus extracted at t0 is of a color called C3 distinct from C1, and preferably said t 'is a a so-called C4 color distinct from C2, each of the second extraction units being offset from the first extraction pattern or patterns, each of the second or second extraction patterns being opposite the first reflecting layer 2, and separated from one distance D of the first extraction surface of at least 0.8 cm better 1 cm
• a second reflective layer 2 ' extending over the entire bonding surface 1 1' outside the second extraction surface 50 ', the second glazing 1' with the second reflecting layer 2 'present a light reflection, measured on the side of the outer face 1 1 ', of at least 20% and a light transmission TL less than or equal to 3% measured on the side of the bonding face 1 1', the first extraction surface being next to the second reflective layer.
• the first reflective layer 2 comprises a first layer of silver, silvering layer to form a mirror, preferably at least 40 nm and even at least 60 nm and even at least 90nm (and better still at most 120nm) especially around 100nm, and said RL being at least 60% and even at least 85% or 90% and TL being at most 1% and even not more than 0.5%.
• the first reflective layer 2 is coated with a protective paint 3 forming a first opaque masking layer, absent from the first extraction surface 50.
• the second reflecting layer 2 comprises a silver layer 2 ', silver coating (silvering in English) to form a mirror, preferably at least 40nm and even at least 60nm and even at least 90nm (and more preferably at most 120nm) especially around 100nm and said RL being at least 90% and TL being at most 1% and even at most 0.5% or 0.05%.
• the second reflective layer 2 ' is coated with a protective paint forming a second opaque masking layer 3', absent from the second extraction surface 50 '.
• These masking layers 3, 3 ' are in fact anti-radiation mixing means of the first and second sources extracted at the level of the first extraction surface 50 and at the level of the second extraction surface 50' while avoiding a guide of spokes between first and second reflective surfaces.
• the distance D avoids for its part that backscattered rays of an extraction surface propagate (directly) to the other extraction surface.
• the first second light extraction means are one or sandblasted areas respectively of the inner face and the bonding face.
• the first (respectively second) glazing coated full face silvering (with its protective paint) can be sandblasted for this purpose.
• n3-n1 (respectively n3-n2) be in absolute value distinct from O.
• a diffusing layer such as a white enamel, in particular with the majority of ⁇ O 2 as the pigment.
• the thickness is typically between 40 and ⁇ , or a white paint.
• a paint formulation may be deposited according to the curtain process.
• the solvent is xylene or alternatively aqueous.
• the lacquer after drying comprises for example the following ingredients:
• the first source 4 (each diode) is of extension (width of the transmitting face) W0 less than the thickness of the first glazing 1 typically W0 of at most 5 mm and the first source (each diode) substantially centered with respect to the first slice 13. The distance d1 to the first slice 13 of the first source 4
• each diode is 1 to 5 mm better from 1 to 3mm.
• the second source (each diode) is of extension (width of the transmitting face) W'O less than the thickness of the second glazing 1 'typically W'O of at most 5mm and the second source (each diode) substantially centered compared to the second tranche.
• the distance from 1 to the second slice 13 'of the first source is of extension (width of the transmitting face) W'O less than the thickness of the second glazing 1 'typically W'O of at most 5mm and the second source (each diode) substantially centered compared to the second tranche.
• each diode is from 1 to 5mm better from 1 to 3mm.
• the first light source 4 is dynamically driven to emit at time t0 via a first series of first diodes 4 a first main radiation at a first wavelength called ⁇ 1 and at time t ' ⁇ t0 via a second series of first diodes 4 'a second main radiation at a second wavelength called ⁇ 2 distinct from ⁇ 1.
• the second light source 4 ' is dynamically driven to emit at the instant t0 via a third series of the second diodes 4' a third main radiation at a third wavelength called ⁇ 3 distinct from ⁇ 1 and at time t ' ⁇ t0 via a fourth series of second diodes 4 'a fourth main radiation at a fourth wavelength called ⁇ 4 distinct from ⁇ 1.
• the first series emits in green with ⁇ 1 in a range from 515nm to 535nm and a spectral width at mid-height of less than 50nm (and the extracted light C1 is green defined by a first main extracted radiation at ⁇ 1 'substantially equal to at ⁇ 1, distinct by at most 10nm or 5nm and with a spectral width at mid-height of less than 30nm),
• the third series emits in the red with ⁇ 3 in a range from 615nm to 635nm and spectral width at mid-height of less than 30nm (and the extracted light C3 is red defined by a third main extracted radiation at ⁇ 3 'substantially equal at ⁇ 3, not more than 10nm apart, or
• the second series emits in the red with ⁇ 2 in a range from 615nm to 635nm and spectral width at mid-height of less than 30nm (and the extracted light C2 is red defined by a second main extracted radiation at ⁇ 1 'substantially equal at ⁇ 1, distinct by at most 10nm or 5nm and with a spectral width at mid-height of less than 30nm)
• the fourth series emits in the green with ⁇ 4 in a range from 515nm to 535nm and spectral width at mid-height of less than 50nm (and the extracted light C4 is green defined by a fourth main extracted radiation at ⁇ 4 substantially equal to ⁇ 4, distinct by at most 10nm or 5nm and with a spectral width at mid-height of less than 30nm).
• the first source continues to emit in the red with ⁇ 4 in a range from 615nm to 635nm and spectral width at mid-height of less than 30nm (and light extracted C4 is red defined by a fourth main extracted radiation at ⁇ 4 'substantially equal to ⁇ 1, for example distinct from at most 10nm or 5nm and preferably with a spectral width at mid-height of less than 30nm).
• each source 4 4 'emits in green or in white. It is also possible that one of the sources is extinguished (hence following configurations: red and off state, green and off state, white and off state).
• the PCB support is in bar, rectangular not exceeding the edge of the glass unit (of width less than or equal to the thickness of the slice of the glass unit and of length less than or equal to the length of the slice of the whole glass).
• Each set of diodes 4, 4 alternately comprises LEDs "red” and "green". The maximum spacing between the diodes of the same color is chosen at most 20mm.
• the diodes of the first source each have a given main direction of emission substantially parallel to the first portion (respectively to the second portion), for example less than 5 °.
• the normal luminance of a pattern 5, 5 'measured on the outer face 12 or the outer face 12' with green or red light is about 100 cd / m 2 (+/- 10 cd / m 2 ). Luminance at normal is uniform at (+/- 10 cd / m 2 ).
• each "green” diode emitting in the green is adjusted so that the flux F1 emitted by this "green” diode is less than 0.8 even at 0.5 times the flux F2 emitted by a "red” diode emitting in the red.
• each set of diodes on the common PCB support one can have repetitions of the following sequence: two red diodes / one green diode ...
• the PCB 410 support is in the interior volume - divided into two chambers
• a mounting section 7 section U preferably metal (aluminum, lacquered steel) or plastic variant (PVC etc) or wood comprising:
• a base 72 opposite the edge of the glazed assembly 200 including the first and second wafers 13, 13 ', the central wafer with the first laminating interlayer 6
• metal base here carrying the support PCB 410 and serving by example of heat sink
• the common PCB support is bonded by a thermal glue 18 to the metal base 72 of the U-shaped section 7.
• the face 12 ' is a free surface of the light glazing, is visible or even accessible (to the touch).
• the face 12 is a free surface of the light glazing, is visible or even accessible (to the touch).
• the glazed assembly 200 could be assembled in an insulating glass or vacuum if really necessary (double glazing or triple glazing).
• the first and second slices 13, 13 ' are straight, polished. Opposite slices are straight, polished or even diffusing.
• the side and opposite edges may be coated with an opaque paint so as not to ignite. It is also possible to place a polymeric seal on these opposing edges, for example for greater comfort if the leaves fold too quickly on the pedestrian or to hide the light.
• diodes can be added to the opposite wafer (not shown here), particularly in the case of a glazing unit with a large first extraction surface and / or with several spaced centimeter units. We can then place a metal frame or polymeric seal housing these other diodes on this opposite edge.
• the diodes 4, 4 ' are top emission ("top emitting")
• the diodes 4, 4 ' are conventional without collimation optics - and even without (pre) encapsulation - having a emission diagram with large angles, for example Lambertian emission (for example with an angle at mid-height of 120 °).
• a reflective piece 75 of aluminum is fixed on the common PCB support 410 by an adhesive 18 '(or a notch) against the central slice 13' of the laminated glazing to partition the light of each source 4, 4 'and reflect it.
• This part is preferably of thickness less than or equal to the thickness between inner face and bonding face (central slice 13 "), for example of less than 0.8 mm and even 0.5 mm. 1 mm on the first and second slices 13, 13 '.
• the support 7 is an E section section rather than a U with a central branch 75 of the E metal partitioning and reflecting the light of the first light source and the second light source, for example against or spaced less than 1 mm from the center slice of laminated glazing.
• the profile and this central branch 75 is of thickness less than or equal to the thickness between the inner face and the bonding face, for example less than 0.8 mm and even 0.5 mm.
• each first and second source is on a separate PCB fixed on the base of the profile.
• the assembly can be carried out using a PVB interlayer film or SentryGlas® by Dupont, in particular by activating the surfaces of the protective paints with the aid of an adhesion promoter.
• Figure 2 ' shows a partial sectional view of a luminous glazed assembly 200' in a variant of the second embodiment.
• the luminous glazed assembly 200 'differs as follows from the glazed assembly 200.
• the sources (diodes) 4 'and 4' are lateral emission, each with separate PCB support 41, 41 'is contiguous (attached to one another) by their rear face or against or as here fixed by an adhesive 18 for example conductive on a piece (metal) 75 spacer glued to the frame 7 by glue 18 for example conductive and against the central portion 13 "
• the PCB supports can participate or be sufficient to separate the lights of different colors (at t0, t0 etc.) if they are opaque by nature in particular reflectors and of sufficient width (in particular abutting against their edge 13 or 13 'of the laminated glazing and the base 72).
• the PCB supports are attached to the side portions 71, 73 of the frame.
• Figure 3 shows a partial sectional view of a luminous glazed assembly 300 in a third embodiment.
• the luminous glazed unit 300 differs as follows from the glazed assembly 200.
• the first source 4 (each diode) comprises collimation means 42 in order to reduce the emission angle sufficiently to avoid (or limit) any lateral leak towards the second glazing 1 '.
• the second source 4 ' (each diode) comprises collimation means 42' in order to reduce the emission angle sufficiently to avoid (or limit) any lateral leak towards the first glazing 1.
• Figure 4 shows a partial sectional view of a luminous glazed assembly 400 in a fourth embodiment. Only the differences from the second mode are described.
• the luminous glazed unit 400 differs as follows from the glazed assembly 200.
• a common metal (aluminum) profile 76 for example a strip of width less than or equal to the thickness of the edge of the glass unit, of section T, therefore with a portion protruding 75 to partition the light sources 4,4 'and reflect the troublesome rays.
• this profile 76 is not fixed on the mounting profile 7 of the glass unit for example to a bearing.
• Each of the diodes of the first source 4 (respectively of the second source 4 ') comprises a primary encapsulation 44, 44' and is glued to the first wafer 13 (respectively to the second wafer 13 ') by a transparent double-sided adhesive 45, 45 'as a polyester support with double-sided acrylic glue as the product D9605 called the company NITTO for example not exceeding the edge of the glass assembly, outward.
• Two profiles U or L may be spaced or contiguous or fixed between them and thus keep the partitioning.
• Fig. 5 shows a sectional view of a luminous glazed assembly 500 in a fifth embodiment.
• the luminous glazed unit 500 differs as follows from the glazed unit 200.
• the first and second reflective layers 2, 2 ' are no longer silvered mirrors with their protective paints but stacks of thin layers 2, 2'.
• the first lamination interlayer 6 ' is an opaque PVB or EVA (highly reflective or highly absorbent, TL as low as possible), for example white or black, forming anti-radiation mixing means of the first and second sources extracted at the level of the first extraction surface 50 and at the second extraction surface 50 '(avoiding ray guidance between first and second reflective surfaces). D nonzero, and even at least 0.8 cm can be kept as a precaution.
• the two light sources 4a, 4'a are reproduced, the common partitioning 75 '(facing the central slice 13 "a) all housed in a section 7a on the opposite edges 13a, 13'a to the first and second slices 13.13.
• first and second reflective layers 2, 2 ' here is chosen a chromium-based multilayer such as the SGG MIRASTAR® product from the company SAINT GOBAI N GLASS.
• Each reflective layer 2, 2 ' is deposited by magnetron sputtering. It is a stack of thin layers comprising:
• the SGG MIRASTAR® product has a TL of 3% and a RL of 60%.
• the stack of thin layers of each reflecting layer 2, 2 ' is for example the following stackable stack:
• the layers of SAINT GOBAI N GLASS ST108 or ST120 or STB120 products are selected, as described in Tables 1 and 2 below.
• each reflecting layer 2, 2 ' is for example:
• a thin metal layer of stainless steel from 5 to 15 nm
• a thin overcoat of silicon nitride from 20 to 30 nm.
• the layers of products SS108, SS114 and SS120 are chosen from
• a stack with as a metal layer of aluminum or zinc or silver can be used.
• silver layers are left with their protective layers.
• the glazed assembly as described in the various embodiments mentioned above can also operate in static mode, that is to say only propose the combination C1 and C3 (or C1 and off state, or C3 and off state).
• the first light source may even contain only first diodes at ⁇ 1 and the second light source contain only third diodes at ⁇ 3.
• the glazed unit may also be suitable as a light partition (between two zones of a building or a land, sea or air vehicle or between two exterior zones), floor slab, step, balustrade, closet door, furniture unit. bathroom.
• Figures 6a and 6b show another example of light areas on each side of a glazed assembly 600 and in an interior application (in a building etc).
• Totem (carried by a horizontal low upright 70, for example aluminum, U-section or E to form the common partitioning, housing the two sets of diodes for the two windows.
• a horizontal low upright 70 for example aluminum, U-section or E to form the common partitioning, housing the two sets of diodes for the two windows.
• men's department and women's department in a clothing store or department store on earth in a shopping area in a maritime vehicle, railway etc.).
• diodes for the two windows housed in a high horizontal amount or the diodes (for the two windows) can be alternately in the vertical amount of left and / or vertical right.
• the amount can be a frame, for example aluminum, and section U or E to form the partitioning preferably common (if diodes on the same side), we can add diodes as needed.
• FIG. 6a shows in front view the first glazing (outer face side 12) of the glazed assembly 600 on the female spoke side and
• FIG. 6b shows in front view (outer side side 12 ') the male spoke side.
• These patterns 8a, 8b are permanent on the inner face (opposite to the outer face 12) for example by etching (sandblasting) of the first reflecting layer, preferably mirror, by silvering with its protective paint.
• These patterns 8'a, 8'b are permanent on the bonding face (opposite to the outer face 12 ') for example by etching (sandblasting) of the second reflecting layer, in particular mirror (silver) with its protective paint (forming masking means),
• the female side patterns are offset from the male side of D (variable) by at least 1 cm.
• the patterns 8a and 8'a are offset by D.
• the patterns 8b and 8'b are offset by D.
• the color of the patterns on the female side can be distinct from that on the men's side. On either side this color can be static or dynamic.
• removable extraction means such as stickers or an erasable ink are added to the outer face 12, for example example vertically and peripherally (to keep the mirror function) four symbols 8c to 8f (hat, dress, pants, coat) white or colored (matching the colors of diodes coupled to the first glazing) associated with a percentage of reduction 81 at 84.
• the symbols and / or the associated percentages are not necessarily of the same color. From one radius to another, the symbols and / or the associated percentages are not necessarily of the same color or illuminated by the same color at a given time t0.

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