EP3019053A1 - Illuminating mirror having light emitting diodes and formation thereof - Google Patents
Illuminating mirror having light emitting diodes and formation thereofInfo
- Publication number
- EP3019053A1 EP3019053A1 EP14739898.6A EP14739898A EP3019053A1 EP 3019053 A1 EP3019053 A1 EP 3019053A1 EP 14739898 A EP14739898 A EP 14739898A EP 3019053 A1 EP3019053 A1 EP 3019053A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pattern
- diodes
- mirror
- reflector
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G1/00—Mirrors; Picture frames or the like, e.g. provided with heating, lighting or ventilating means
- A47G1/02—Mirrors used as equipment
-
- 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
- F21V33/0004—Personal or domestic articles
- F21V33/004—Sanitary equipment, e.g. mirrors, showers, toilet seats or paper dispensers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G2200/00—Details not otherwise provided for in A47G
- A47G2200/08—Illumination
Definitions
- the present invention relates to illuminating mirrors and more particularly to an illuminating mirror with light emitting diodes and its forming method.
- LEDs Light-emitting diodes
- the interest of the diodes is their long life, their illuminating efficiency, their robustness, making the equipment employing them more durable, and requiring a reduced maintenance.
- Patent Application WO2012028819 discloses, in the first embodiment shown in FIG. 1, an LED illuminating mirror which comprises:
- a glazing unit with a first main face forming the rear face, and a second main face forming the front face
- inorganic light-emitting diodes or LEDs arranged on the back side, along the most peripheral longitudinal edge of the diffusing band.
- Each of the diodes has a given emission spectrum in the visible, for example a white light, and with a main emission radius F, said first main ray, substantially parallel to the rear face.
- the emission cone may be, for example, lambertian.
- the beam of each diode is divergent and defined by a half-angle at mid-height of 60 °.
- the mirror further comprises on the side of the rear face, a profile forming a reflector of the light coming from the diodes, positioned along the most central edge of the diffusing band.
- the reflector profile is metallic, for example anodized aluminum, of thickness less than or equal to 3 mm, and comprises:
- main portion which is elongated and oblique with respect to the rear face, extending until it comes into contact with the rear face
- the reflector section also includes an elongated lateral portion, extending the flat portion and substantially normal to the rear face, and carrying diodes on their PCB or PCB. To hide the end of the main part, the central mirror area overflows below the main part.
- the mirror is fixed to a wall (wall, ceiling, partition ...) by the lateral part forming an entourage of the mirror with a return on the front face.
- the surface of the glazing is 600x600mm and it is an extra-clear glass of 2.9mm thickness
- each first illuminating strip is 40 mm and the length of each first illuminating strip is 550 mm
- the width of the central decorative zone is approximately 400 mm
- each card carries diodes is wide of 10mm, long of 550mm, thickness of the order of 1, 9mm and,
- the diodes, without optics, are of height of the order of 2 mm, of width less than 6 mm, with a regular distance between diodes of 18 mm,
- the height, distance between the diodes and the first scattering patterns is of the order of 15 mm
- the diodes have an individual power of 0.3W (approximately), an efficiency of at least 40 Im / W (lumens / Watt).
- the present invention first proposes an illuminating mirror which comprises: - A glazing, even curved plane, mineral glass, said facade glazing, with a first main face forming the front face, and a second main face forming the rear face and a slice, glazing preferably less than 6 mm thick , better at 5 mm, light transmission T L greater than 85%, better than or equal to 90%,
- a metal layer based on silver preferably silver or essentially silver, and typically coated with a protective layer
- a mirror layer giving the mirror functionality on the front face, with a light reflection R L greater than 85% better than or equal to 90% measured on the front side of the mirror, in particular metal layer present in a central zone of the facade glazing and preferably (also) at the periphery,
- a pattern diffusing on the rear face adjacent to the mirror layer possibly in the central zone), possibly surrounded by the mirror layer except in the edge or edges of the facade glazing, such as the shaping zones, a pattern diffusing into a diffusing element; continuous or more diffusing elements spaced lateral dimension pattern of at least 10 mm, even at least 20 mm and less than or equal to 230 mm, better at 200 mm and even less than 150 mm, scattering pattern which is selected from one of less than one of the following motifs: an elongated lateral dimension pattern which is the width W1 and of length L1 (greater than W1) preferably greater than 100mm, of at least 150mm even of at least 200mm, or 300mm, in particular rectangular pattern, in L in a triangle, or not geometric, preferably inscribed in a rectangular zone or in L,
- lateral size band which is the band width W'1, frame pattern extending over a length L 1 (greater than W'1) preferably greater than 100mm, better still not less than 150mm, not less than 300mm, for example a frame whose outer contour is spaced from the edge of the façade glazing by not more than 50mm,
- the glazing facade with the diffusing pattern has a blur of at least 90% and even at least 95%, front side, a light transmission T L greater than 40% better than or equal to 50% and even at least 65%, front side.
- the mirror according to the invention further comprises a first group of light emitting diodes, in a row, on a first printed circuit board called first PCB, preferably emitting from the top and even (substantially) perpendicular to the facade glazing, carried by a profile said support piece, the diodes each having:
- a main light ray F forming an angle of not more than 5 ° with the facade glazing (medium plane of the glazing if curved) and preferably not more than
- an efficiency of the diode assembly on PCB at least 80lm / W.
- the mirror according to the invention further comprises a so-called main reflector, rear side, preferably metal or plastic profile or coated glass (metallized, lacquered, enamelled ...), having a reflective wall and / or a so-called principal reflective layer.
- the first PCB is arranged (substantially all) along a first longitudinal edge of the elongate pattern or surrounds (continuously or in pieces) the disk or square pattern or surrounds (in continuous or in pieces) an internal outline or external, the frame pattern said injection contour, (without necessarily being parallel or equidistant from the scattering pattern).
- the mirror according to the invention further comprises a so-called bottom reflector, rear-side side - in particular parallel to the facade glazing or concave towards the internal space - able to receive light beams from the face of the first group of diodes. back and back on the diffusing pattern or on the main reflector, bottom reflector spaced from the diffusing pattern with a distance H of at most 40mm, better not more than 30mm and in particular at least 10mm better from less 15mm.
- the bottom reflector according to the invention comprises a transparent wall - preferably with a thickness of at most 6 mm, and even at least 0.5 mm with an internal main face oriented towards the internal space (smooth or optionally textured , diffusing) and an outer main face (preferably smooth) opposite to the inner space coated with a so-called bottom reflective layer; the wall and layer assembly having a light transmittance T L external side opposed to the internal space T L of at most 10%, better at most 5% and even at most 3%.
- a reflective surround has the support piece and the main reflector surrounds (depending on any type of outline) the elongated pattern or the disc or square pattern.
- a reflective surround comprises the support piece surrounds the injection contour of the frame pattern and another reflective surround (back side) having the main reflector surrounds the other contour of the frame pattern.
- the reflective surround is a monolithic frame or a plurality of pieces abutting or spaced less than 5mm, the reflective surround being attached to the rear face, and the other reflective surrounding possibly being a monolithic frame or a plurality of pieces abutting or spaced apart from each other. less than 5mm, the reflective surround being attached to the back face.
- Reflector naturally means an element reflecting visible light.
- the first group of diodes (and preferably the whole support part) is arranged (preferably under the mirror layer and / or a masking layer), with:
- a distance ei between the facade glazing (preferably with the mirror layer) and each emitting face of the first group of diodes greater than or equal to 5 mm better than or equal to 10 mm
- a distance ef between the inner main face of the bottom reflector and each emitting face of the first group of diodes such that the difference in absolute value ei-ef is less than or equal to 20 mm better than or equal to 10 mm
- a distance D1 between the first longitudinal edge and each emitting face of the first group of diodes of at least 10 mm, better still at least 12 mm and even more 'at least 15mm and preferably not more than 40mm and better not more than 30mm and not more than 20mm
- a distance D between the edge of the diffusing pattern and each emitting face of the first group of diodes of at least 10 mm, better still at least 12 mm and even at least 15 mm and preferably greater than 'not more than 40mm and better than 30mm and not more than 20mm
- the main reflector has an inner wall (preferably plane) forming an angle of at most 5 ° with the facade glazing and preferably at most 10 ° with the reflector of bottom and carries a printed circuit board, said second PCB, and in front of the support piece (and the first PCB with a vertical offset tolerance), second PCB with a second group of light emitting diodes, in a row, preferably emitting from the top and even substantially perpendicular to the facade glazing the diodes (identical or similar to the first group) each having:
- a main light ray F ' forming an angle of at most 5 ° with the facade glazing (average plane of the glazing if it is curved) and preferably at most 10 ° with the bottom reflector (or on the plane means of the bottom reflector if it is curved, concave towards the interior space),
- the second group of diodes (and preferably the main reflector) is arranged (preferably under the mirror layer and / or a masking layer) with:
- a distance ei between the facade glazing (preferably with the mirror layer) and each emitting face of the second group of diodes greater than or equal to 5 mm better than or equal to 10 mm
- the diodes of the second group being along the second longitudinal edge, with a distance D2 between the second longitudinal edge and each emitting face of the second group of diodes at least 10mm, better at least 12mm and even at least 15mm and preferably at most 40mm and better at most 30mm and even at most 20mm,
- the diodes of the second group being along the other distinct contour of the injection contour, said other injection contour, with a distance D'2 between the other injection contour and each face emitting the second group of diodes at least 10mm, better at least 12mm and even at least 15mm and preferably at most 40mm and better at most 30mm and even at most 20mm.
- the invention makes it possible to illuminate in a homogeneous and efficient manner various patterns on the back of a mirror and to hide the illuminating system (diode, transformer, etc.) attached to the rear of the facade glazing:
- the positioning of the diodes orientation of F, F ', sufficient distance from the diffusing pattern by controlling the distances D1 (where appropriate D2), position with respect to the scattering pattern (ei) and the bottom reflector (ef) ).
- the lighting solution is flexible adapting to the requested reasons even wide width.
- the LED light passes through the thickness of the plate before being diffused by the reflective layer.
- this allows certain light rays to be guided in the plate to be diffused further into the glazing and thus contribute to the homogenization of the illumination of the pattern.
- the dedicated housing is formed of a pastic transparent box with a reflective layer is preferably chosen as polycarbonate plastic.
- the submicron asperities would make the homogeneity even worse and the absorption of the material too strong.
- the bottom reflector positioned facing the diffusing pattern against the surround, creates a closed light box to diffuse light from the LEDs onto the diffusing pattern area.
- the diodes are positioned to form a continuous illuminating area along the length of the scattering pattern.
- the "intra-group" distance between adjacent diodes of the first group may preferably be the same for all the diodes to simplify beam overlap.
- the arrangement of the diodes makes it possible to hide the hot spots of the diodes at large angles for the user while keeping a lighting of the effective diffusing zone while not moving too far away.
- the first and second PCBs may form only one PCB, particularly flexible PCBs all around the scattering pattern.
- the choice to make an optimized remote diode-carrying surround of the diffusing pattern guarantees the best efficiency.
- the diodes are judiciously positioned around the scattering pattern. For widths beyond 70mm, the second group of diodes is necessary for homogeneity, the lighting is very homogeneous up to a pattern width of 230mm better still 200mm.
- the (maximum) width of the scattering pattern may preferably be less than 200 mm or even less than or equal to 150 mm, in particular to leave a large (central) mirror area.
- a (substantially) right main reflector makes it possible to position its edge more precisely with respect to the edge of the diffusing pattern and to place the second group of diodes more easily with F 'at normal or near normal.
- the term "light-emitting diode” (or shortened diode) means a quasi-point source, generally inorganic, typically based on a semiconductor chip, a source distinct from an OLED (organic diode) providing an extended illuminating surface .
- a distance of an element (diode emitting face, surrounding wall, box, base or profile return, mirror support, etc.) at the edge of the diffusing pattern is considered the distance ("horizontal") between the orthogonal projection of the element on the plane of the scattering pattern and the edge of the scattering pattern.
- the distance is D1, D2 (D3 and D4 defined later).
- the diodes of each group are chosen with the same (only) main direction of emission F.
- a diverging beam is chosen to spread the light sufficiently on the scattering pattern.
- the diodes of each group are chosen with the same spectrum, mono or polychromatic.
- the emission cone may be symmetrical or asymmetrical with respect to F.
- the emission cone may be, for example, lambertian.
- the dispersion angle, ⁇ is the angle between the direction of maximum light intensity (Imax) of the reflected light and the direction of the luminous intensity of value lmax / 2, when the curve of light intensity can be assumed to be symmetrical about the direction of Imax (which is typically the case when the angle of incidence is 0).
- the reflection of a material is said to be perfectly diffuse when ⁇ is 60 °. If ⁇ is close to 0 °, the reflection or transmission is considered as specular (also called regular). If ⁇ ⁇ ⁇ 15 °, the reflection or transmission is said to diffuse narrow. If 15 ° ⁇ ⁇ 45 °, the reflection or transmission is said to diffusion wide. If 45 ° ⁇ ⁇ 60 °, the reflection or transmission can be considered as total diffusion.
- the light transmission T L and the light reflection R L according to the invention are calculated in a conventional manner under a D65 illuminant, according to the EN410 standard.
- the reflective layer is a diffuse reflective layer, especially white, with preferably a light reflection R L greater than or equal to 80% of the outer side, opposite the inner space.
- it is a painting, a lacquer, an enamel.
- a lacquer is a non-transparent coating, generally opaque, and which may comprise at least one polymeric resin, at least one pigment, and generally mineral fillers.
- the polymeric resin serves to bind the pigments and mineral fillers, while the pigments are intended to impart the desired color and opacity.
- the lacquer may comprise, as any lacquer, a binder based on synthetic resin, of a polymeric nature.
- the binder is preferably based on acrylic resin, in particular crosslinked with melamine and / or an isocyanate.
- the binder may also be a polyurethane resin, obtained by crosslinking, by an isocyanate or a polyisocyanate, of hydroxylated resins, in particular polyester resins or polyethers, or preferably acrylic resins (or polyacrylates).
- This particular combination makes it possible in particular to obtain low water permeabilities, good mechanical properties (for example in terms of scratch resistance).
- the binder of the lacquer may also contain or be based on alkyd resin (s), obtained by chemical reaction between at least one polyol, at least one polyacid and at least one fatty acid or an oil.
- alkyd resin obtained by chemical reaction between at least one polyol, at least one polyacid and at least one fatty acid or an oil.
- alkyds are preferably short in oil, that is to say that the weight content of oil or fatty acid in the resin is preferably less than or equal to 40%.
- the polyols may be, for example, glycerol or pentaerythritol compounds.
- the polyacids may be based on phthalic anhydride.
- the oils can be drying (such as linseed oil, wood or china oil), semi-drying (such as soybean oil, tall oil, safflower oil or dehydrated castor), or non-drying (such as coconut oil or castor oil).
- the alkyd binders can also be modified with monomers such as styrene, vinyltoluene or acrylates or with phenolic or epoxy resins. Heat-curing aminoplast alkyd resins are particularly advantageous binders for lacquer.
- the aminoplast crosslinker is preferably a urea-formaldehyde or melamine-formaldehyde resin, which gives good water resistance, especially when they are provided at a rate of 20 to 30% by weight relative to the dry alkyd binder.
- the lacquer may also comprise a binder based on a thermosetting acrylic resin, for example obtained by crosslinking an acrylic resin carboxylated with an epoxy resin, formophenol or melamine-formaldehyde or an isocyanate, with a carboxamide-functional acrylic resin. an epoxy or alkyd binder, or an epoxy-functional acrylic resin with acids or polyamines.
- a thermosetting acrylic resin for example obtained by crosslinking an acrylic resin carboxylated with an epoxy resin, formophenol or melamine-formaldehyde or an isocyanate, with a carboxamide-functional acrylic resin.
- an epoxy or alkyd binder, or an epoxy-functional acrylic resin with acids or polyamines for example obtained by crosslinking an acrylic resin carboxylated with an epoxy resin, formophenol or melamine-formaldehyde or an isocyanate, with a carboxamide-functional acrylic resin.
- the lacquer preferably has a permeability to water at 25 ° C, expressed in cm 3 . cm. cm “2 s “ 1 . Pa "1 less than 10 " 6 , or even less than 5.10 "7 , and especially less than 10 " 7 .
- An adhesion promoter may preferably be present dispersed in the lacquer and / or in the form of a layer interposed between the lacquer layer and the bottom reflector plate.
- Adhesion promoters with a glass, such as silanes, can also be dispersed in the lacquer.
- the lacquer may comprise pigments, inorganic and / or organic, preferably mineral.
- pigments employed, there are, for example, oxides of titanium or zirconium optionally doped with ions of transition elements, or mixed oxides of zircon type (ZrSiO 4 ).
- the pigments are preferably free of heavy metals such as cadmium or lead.
- the lacquer may also contain mineral fillers intended to optimize its physicochemical parameters, for example its viscosity.
- the total content of mineral species (pigments and fillers) of the lacquer is preferably, expressed as a percentage by weight relative to the solids content, of between 40 and 70%, and even between 50 and 60%.
- the thickness of the lacquer is for example between 40 and 60 ⁇ .
- the clarity L * can be at least 65.
- a diffuse reflective layer is preferred on the opposite side of the inner space because it renders the colors better than with a specular reflection layer. The color temperature on the mirror is then closer to that of the diodes.
- This layer may be diffuse reflection and specular for example with a coefficient in diffuse reflection equal to at least 0.8 times the coefficient in specular reflection.
- the reflective layer is a specular reflection layer preferably based on silver (even essentially silver and typically coated with a protective layer) with a light reflection R L preferably greater than or equal to 85%, 88% and even 90%, on the internal space side.
- edges (internal and / or external) of the scattering pattern may be straight or curved.
- the scattering pattern be off-center, that the mirror be kept in the central area by at least 500mm by 500mm.
- the inner edge is spaced preferably at least 200mm from the middle of the facade glazing.
- the peripheral zone between the outer edge and the edge of the facade glazing with mirror is preferably at least 25 mm.
- the width of the diffusing pattern is of width less than 30% of the width of the facade glazing (even 20% or 10%),
- the length of the diffusing pattern is at least 50 mm, better at least 100 mm and even at least 200 mm and in particular, substantially equal to the length of the lateral or longitudinal edge of the facade glazing wedges (square, rectangular. ..).
- the choice to make a "dedicated" housing for a pattern diffusing in a restricted area of the total surface of the glazing is more economical than a "total" housing substantially covering the rear of the facade glazing, in particular for large mirrors. size of at least 500mm in length and weight.
- the distance between the main reflector and the slice of the plate bottom reflector is at most 5 mm. It is preferred that the surround has no wall connecting the main reflector to the diode support part or any other wall under the diffusing pattern.
- the entourage is based on straight profile (s) extending rectilinear optionally bent L or U (forming a frame).
- the length of the surround and the bottom reflector is at least equal to the length of the diffusing pattern
- the length of the surround and the bottom reflector is at least 50 mm better than at least 100 mm and even 200 mm and in particular, substantially equal to the length of the lateral or longitudinal edge of the facade glazing, with corners
- the end diode of the first group (and the second group) is less than 1 cm from the first lateral edge of the diffusing pattern and the other end diode of the first group (and the second group) is less than 1 cm from the second side edge of the scattering pattern.
- the surround preferably comprises one or internal walls, in the zones without diodes, which are at a distance less than 10mm from the edge of the diffusing pattern and optionally at most 5mm.
- the entourage includes in particular:
- flank or spacer devoid of diodes recessed by at most 5 mm preferably or at the edge of the pattern diffusing or protruding on the edge of the diffusing pattern of not more than 5mm.
- the possible return (s) of the profile (s) of the entourage or profiled (s) hanging from the entourage preferably exceeding at most 5mm on the bottom reflector facing the diffusing pattern.
- the possible return (s) of the profile (s) of the entourage or profiled (s) hanging from the entourage preferably does not exceed the back face on the diffusing pattern.
- the surround may be of rectangular contour and / or follows the contour of the diffusing pattern preferably by means of straight profiles (preferably metal) straight and U-shaped section and / or L especially butted or spaced less than 1 mm or jointed by butt joint (preferably sealant).
- a partial mirror is preferably central and a decorative glaze (white, colored, etc.) is used, preferably at the periphery.
- the diffusing pattern can therefore even be peripherally and surround by the mirror layer completed by the decorative layer (enamel etc.). It is preferred that the entourage remains masked by the mirror layer and / or the decorative layer as well as the attachment of the mirror to a wall.
- the surround may comprise laterally connecting the main reflector and the support part a first part or side part along a first side edge of the elongate pattern, carrier of a PCB said third card with a third group of diodes identical or similar to the first group of diodes, the third PCB optionally includes a reflective covering layer around the third group of diodes, with:
- a distance e3 between the facade glazing (preferably with the mirror layer) and each emitting face of the third group less than or equal to 10 mm
- the entourage may comprise laterally connecting the main reflector and the support part, a second part or lateral part carrying a PCB called fourth PCB with a fourth group of diodes identical or similar to the first group of diodes, the fourth card PCB optionally includes a reflective covering layer around the fourth group of diodes, with:
- a distance D4 between the second lateral edge and each emitting face of the fourth group of diodes of at least 10 mm, better still at least 12 mm and even at least 15 mm and preferably at most 40 mm and better still at more than 30mm and even at most 20mm,
- a distance e4 between the facade glazing (preferably with the mirror layer) and each emitting face of the fourth group of diodes less than or equal to 10 mm
- first, second, third, four cards can only form a PCB, especially sufficiently flexible PCB.
- the elongated pattern is of length L1 greater than or equal to 200 mm, if diodes are placed along one or more lateral edges of the elongate pattern, a certain inhomogeneity which is nonetheless acceptable is allowed locally.
- the entourage may comprise laterally connecting the main reflector and the support piece:
- a distance Dr4 between the second lateral edge and the second lateral piece of at most 10 mm and better not more than 2 mm, and even at the edge, without exceeding the diffusing pattern, and possibly exceeding at most 5 mm on the face internal of the bottom reflector.
- the surround carries diodes of the first group, possibly of the second group, and other diodes (along the side edge or edges of an elongated pattern, for example ), the distance between the emitting face of each of the diodes and the edge of the nearest pattern is at least 10mm and preferably at most 40mm. Better the distance between the emitting face of each of the diodes and the edge of the nearest pattern is at least 12mm and even at least 15mm and better at most 30mm and even at most 20mm.
- the main reflector along the second longitudinal edge is devoid of a second PCB with diodes or
- the injection contour of the frame pattern is the innermost of the contours, and the other contour is devoid of a second PCB with diodes.
- the main reflector may be oblique or preferably has a flat, internal wall forming an angle of at most 5 ° with the facade glazing and preferably from plus 10 ° with the bottom reflector.
- the elongate pattern may be inscribed in a rectangular R-shaped area where the pattern is square or disk or is in a frame, and the reflective surround forms a rectangle (and the other reflective surround forms a rectangle).
- the elongate pattern may be of particular shape, in particular in the form of an L or comb, the reflective surround along the edges of the elongate pattern.
- the elongated pattern may be inscribed in a rectangular strip extended by at least one other rectangular band, such as an L (a T, an F, an E, a comb, etc.), with a protruding distance from the other band less than 20mm, the PCB in front of the longitudinal edge of the pattern with the other band is linear.
- L a T, an F, an E, a comb, etc.
- the elongated pattern may be inscribed in a rectangular strip extended by at least one other rectangular band, such as an L or F or E, with a projection distance of each other band is greater than 20mm, the first PCB in front of the first longitudinal edge of the pattern with the return follows the outline of the pattern, skirting the other band.
- other rectangular band such as an L or F or E
- said end, diffusing pattern is up to a shaped edge of the edge of the facade glazing or within 2mm of the shaped edge.
- the reflective surround for the elongated or disc or square pattern, the reflective surround or the frame pattern of the other reflective surround includes a so-called end piece having a base whose width is less than or equal to the width the shaped edge is against, fixed or bonded to the shaped edge (rear face) - for example by a sealing element such as silicone sealant - and a return to the internal space against or preferably attached to the bottom reflector preferably by an adhesive, in particular an L-shaped section piece, end piece devoid of diodes.
- the end edge may be all or part of a side edge of the elongate diffusing pattern or all or part of the outer longitudinal edge of a long side or a short side of the frame pattern or one side of the square pattern or disc .
- Two side edges of the elongated pattern may be end edges (each with an end piece as described) and optionally all or part of the outer longitudinal edge may be an end edge.
- the second longitudinal edge of the elongated diffusing pattern is the outermost (of the central area of the mirror), comprises all or part of the end edge
- the main reflector has the end piece or when W " 1 ⁇ 70 mm
- the other outline of the frame pattern is the outermost, includes all or part of the end edge and the other reflective surround includes the end piece.
- the end piece may be less than 2 mm wide even at 1 mm. It is preferably a straight section section L along the end edge, profiled on the bottom reflector such as glazing.
- the shaping can be:
- the width of the shaped edge can be at most 4mm and even 2mm or
- the term wall for the bottom reflector is taken in the broad sense, and does not imply a minimum thickness. It can be a movie or a sheet.
- the wall may be flexible or rigid, mineral or organic.
- plate for the bottom reflector is taken in the broad sense and does not imply a minimum thickness. It can be a film or a leaf, it can be flexible or rigid, mineral or organic.
- bottom reflector bottom of a box or plate
- heat resistance even better a mineral glass plate with a thickness of less than 6 mm and at least 0.5 mm.
- the transparent, flat or concave wall towards the internal space may be a plate, the reflective surround (and even the other reflective surround) forms a spacer between the plate bottom reflector and the facade glazing the reflective surround ( and even the other reflective surround) extends to leave a maximum clearance of less than 5mm with the glazing facade
- the transparent wall in plate can exceed of at most 5mm of the entourage.
- the transparent wall may be glazed, flat or curved toward the internal space, made of mineral glass with a thickness of less than 6 mm.
- the transparent wall may be plastic with a thickness of less than 6 mm, preferably chosen from polycarbonate or polymethylmethacrylate.
- the wall of the bottom reflector may be a plastic film such as a fluoropolymer film, in particular FEP (Fluorinated ethylene propylene in English), ETFE (ethylene-co-tetrafluoroethylene in English).
- FEP Fluorinated ethylene propylene in English
- ETFE ethylene-co-tetrafluoroethylene in English
- a bottom reflector a transparent wall (glass or even plastic), in particular a glazing unit or the bottom of a transparent box (planar or concave), with on the inner space side a diffuse white reflection layer: enamel, lacquer (as already described), paint, described as a white reflector, with a T L of at least 20% or even 30% and on the opposite side to the internal space, a specular reflection layer such as a mirror 'money.
- the support piece (preferably metal) and / or the main reflector (preferably metal), preferably the surrounding (preferably metallic) and even the other (preferably metallic) surround is chosen from:
- a hollow or solid spacer in particular a rectangular or square lateral section, between the facade glazing and the bottom reflector, preferably adhesively secured to the facade glazing and to the flat plate bottom reflector, in particular a spacer of greater thickness or equal to 5 mm (for example to prefix a double-sided adhesive) and preferably at most 15 mm,
- a preferably U or Z or H part turned at 90 ° which comprises a bearing base of the first PCB and on either side of the first and second wings or returns, the first return being between the base and the facade glazing preferably being fixed by adhesive (preferably double-sided), and the second return being between the base and the bottom reflector flat plate preferably being fixed by adhesive (preferably double-sided), returns with orientations identical to the internal space or the opposite of the internal space, or with opposite orientations, each return preferably of width greater than or equal to 5 mm and preferably not more than 30 mm,
- an L-shaped part which comprises a base carrying the first PCB and on either side a single wing or return, the return being between the base and the bottom reflector preferably fixed by adhesive (preferably double-sided) at the bottom reflector in flat plate, an I-piece (of rectangular or square lateral section) in particular of thickness less than 5 mm and even 3 mm or 1.5 mm which comprises a bearing base of the first PCB fixed by profile (s) attached to the reflector of bottom plate and / or facade glazing.
- an L-shaped hanging section is mechanically fastened to the base and fixed by an adhesive (preferably double-sided) to the facade glazing (under the mirror layer), and another L-shaped fastening section mechanically fixed to the base and fixed by adhesive (preferably double-sided) to the bottom reflector, each profiled with a width greater than or equal to 5 mm and preferably not more than 30 mm.
- For the entourage are typically selected four U-shaped or I with brackets or four spacers rectangular or square section.
- the surround (and / or the other surround) may preferably comprise one or internal walls, in the zones without diodes, which are at a distance less than 10 mm from the edge of the scattering pattern and possibly at most 5 mm.
- the entourage (and / or the other entourage) comprises for example:
- One or profiles optionally devoid of diodes, especially L or U, with facade glazing side a return towards the internal space, return recessed of at most 5mm preferably or the edge of the pattern diffusing or protruding on the edge of the scattering pattern of not more than 5mm,
- flank or spacer devoid of diodes recessed by at most 5 mm preferably or at the edge of the pattern diffusing or protruding on the edge of the diffusing pattern of not more than 5mm.
- the possible return (s) of the profile (s) of the entourage or profile (s) hanging from the entourage preferably exceed of at most 5mm on the bottom reflector facing the diffusing pattern.
- the possible return (s) of the profile (s) of the entourage or profiled (s) hanging from the entourage does not exceed (s) preferably the rear face on the motive broadcasting.
- the plastic bottom reflector may be a plate extended on either side by the main reflector and the support piece, forming a monolithic piece called caisson.
- the box has one or more returns to the internal space (or opposite) of at least 5 mm for fixing for example by adhesive (double-sided) otherwise one or more preferably at least two profiles hung as brackets mechanically fixed preferably to the box.
- the monolithic box may be I-section, thickness or connection width with the rear face less than 5 mm in particular of at most 2 mm (possibly with sidewall (s) or wall (s) sub-area (s) shaped (s) of the facade glazing).
- the box is attached to the rear face, under the mirror layer, directly by an adhesive (double-sided) on its edge and / or indirectly via at least two hanging profiles, in particular L-shaped, in the internal space, with adhesive (double-sided) on their edges, along at least two walls or opposite sides of the box.
- the casing for example, less than 2 mm thick, is preferably chosen from polycarbonate or polymethyl methacrylate (PMMA).
- the scattering pattern be off-center, that the mirror be kept in the central area by at least 500mm by 500mm.
- the inner edge is spaced preferably at least 200mm from the middle of the facade glazing.
- the peripheral zone between the outer edge and the edge of the facade glazing with mirror is preferably at least 25 mm.
- a central mirror zone is preserved over at least 30% or even the majority of the surface of the facade glazing, still 60 or even 80%.
- the first PCB comprises a reflective covering layer around the first group of diodes and the second PCB comprises a reflective covering layer around the second group of diodes and the same for any third or fourth PCB.
- the diffusing pattern is a texturing of the rear face and preferably a sandy back side.
- the diffusing pattern is arranged on the rear face to be protected and the front face preferably in contact with the external environment can be smooth and easily cleaned.
- the diffusing pattern is preferably formed by surface texturing of the glazing, in particular sandblasting, acidizing, abrasion or by adding a diffusing element, especially in a layer, preferably by screen printing of an enamel or a diffusing layer or formed from a diffusing plastic material. If the diffusing pattern is enamel, acidification is formed the diffusing pattern on a glazing with a partial mirror. The sanding allows him to remove the mirror (painting and silvering).
- Acid etching, sandblasting, etching (advantageously by laser) or screen printing may be preferred because providing a delineation of the treated areas easily controllable and reproducible industrially.
- Acidic glass includes SAINT-GOBAIN GLASS Satinovo® glass and SAINT-GOBAIN GLASS Smoothlite® diffusing glass.
- the glazing may have a T L of at least 70%, better at least 80%.
- the glazing can be made of clear or even extra-clear mineral glass.
- extra-clear glass reference WO04 / 025334 can be referred to for the composition of an extra-clear glass.
- SAINT-GOBAIN's Diamant® glass SAINT-GOBAIN's Diamant Solaire® glass, Saint-GOBAIN's Albarino® glass (textured or smooth), Pilkington's OptiWHITE® glass, Schott's B270® glass .
- the glass having good heat resistance, it may be close to the diodes despite the fact that they constitute hot spots,
- the glass is mechanically resistant so that it has an easy cleaning and is not scratched, which is of particular interest for panels installed in places imposing strict hygiene,
- the diodes may be encapsulated, that is to say comprise a semiconductor chip and an envelope, for example of resin type epoxy or PMMA, encapsulating the chip.
- the functions of this envelope can be multiple: protection of the oxidation and humidity, conversion of wavelength, diffusing element.
- the diode may be for example a semiconductor chip of the order of one hundred ⁇ or mm; and possibly with a minimal encapsulation for example of protection. It is not necessary to use optics such as lenses directing the light emitted by the diode to the privileged areas.
- the diodes can be embedded in a common protective material (waterproof, dustproof ).
- the diodes can thus be simple chips or with a low volume encapsulation of the SMD type ("Surface Mounting Device” in English) or “Chip on Board” rather than the conventional, (first generation) voluminous diodes. low power and luminous efficiency.
- SMD Surface Mounting Device
- Chip on Board rather than the conventional, (first generation) voluminous diodes. low power and luminous efficiency.
- the diodes are less than 1 cm high or even 5 mm high,
- the diodes are of width (diameter) less than 1 cm,
- the diodes are identical and regularly spaced from each other with an intra-group distance designating the distance between the axes of the successive diodes, possibly of the same order as the eigenvalues of the diodes,
- the number of diodes of the first group is at least equal to 10.
- the diode can be:
- a diode “medium power” that is to say greater than 0.1 W or brightness greater than or equal to 8 lumens
- a diode "high power” that is to say greater than or equal to 1 W or brightness greater than or equal to 80 lumens.
- the robustness of the diodes is particularly interesting in intensive uses such as in public transport such trains, planes, buses, pleasure boats ...
- the group or groups of diodes may be coupled to control means for emitting light either permanently or intermittently, with different intensities, or a given color, or different colors, in particular depending on the amount of natural light.
- the length of the PCB is substantially equal to the length of the support piece
- the first PCB (each PCB) is less than 1 cm thick better than or equal to 5 mm,
- the first PCB is flexible and for example surrounds the diffusing pattern
- the diodes and / or the PCB are free of layer, varnish or sealing encapsulation.
- a reflective surface for providing mirror function is usually a silver-based layer.
- the mirror may be the SGG Miralite product of the Applicant Company, with a protective paint for oxidation.
- the mirror according to the invention can include any other functional coating (anti-scratch, antifouling, etc.) on the back side of a heating layer for an anti-condensation effect.
- the lighting of the first illuminating area can be decorative, architectural, signaling or display.
- the illuminating and illuminating mirror can be intended in particular:
- the building as a ceiling lamp, wall tile; a partition,
- transport vehicle including public transport, train, metro, tramway, bus or water or air vehicle (plane),
- a window of street furniture such as a bus shelter, a railing, a display, a window, a shelf element,
- a partial mirror is preferably central and a decorative glaze (white, colored, etc.) is used, preferably at the periphery.
- the diffusing pattern can therefore even be peripherally and surround by the mirror layer completed by the decorative layer (enamel etc.). It is preferred that the entourage remains masked by the mirror layer and / or the decorative layer as well as the attachment of the mirror to a wall.
- the invention proposes a method of forming an illuminating mirror comprising a plurality of diffusing entities on a so-called carrier facade glazing on the rear face of a so-called mirror layer of silver layer, diffusing entities inscribed in a rectangular zone Rtot of width Wtot greater than 230 mm, the method comprising dividing the rectangular zone Rtot into a plurality of rectangular zones R1, R2, R3, each of width less than 230 mm defining a given scattering pattern, each zone R1, R2, R3 being surrounded by a reflective surround with diodes having a distance of at least 10 mm, preferably at least 12 mm and even at least 15 mm and preferably at most 40 mm and better at most 30 mm and even at most 20 mm between each
- At least one or each reflective surround is or against or even attached to a bottom reflector which preferably comprises a transparent wall with an internal main face oriented towards the rear face and an opposite external main face, external main face coated with a layer reflective so-called background; the transparent wall assembly and bottom reflective layer having a light transmission T L of at most 10%, outer side, opposite to the internal space.
- a bottom reflector which preferably comprises a transparent wall with an internal main face oriented towards the rear face and an opposite external main face, external main face coated with a layer reflective so-called background; the transparent wall assembly and bottom reflective layer having a light transmission T L of at most 10%, outer side, opposite to the internal space.
- / or at least one or each reflective surround is part of a box-shaped monolithic piece further comprises a bottom reflector preferably with a transparent wall with an inner main face oriented towards the rear face and an opposite outer main face. outer main face coated with a so-called bottom reflective layer; the transparent wall assembly and bottom reflective layer having a light transmission T L of at most 10%.
- all the enclosures are part of boxes (with possible common wall) or are spacers (with possible common wall) with a plate bottom reflector.
- the length of at least one zone R1 to R3 is at least 200 mm preferably and even at least 400 mm.
- the width of a zone R1 to R3 is at most 150 mm and even at most 120 mm and at least 10 mm and better still at least 20 mm.
- a support for fixing the mirror said mirror support, preferably a metal support (and on its back side), fixed to the rear face and / or to the reflector of the mirror. bottom, in particular which comprises a hooked opening or fastening means to a wall including wall or furniture.
- the mirror support can therefore be devoid of any protruding part of the edge of the facade glazing and is chosen from:
- a plate (preferably metal) fixed by gluing or mechanically on the outer main surface of the u bottom reflector and with a fixing means (hook, retaining means, etc.).
- a plurality of profiles particularly in the form of a frame (two, three or four spaced or abutting straight sections) in the central zone of the mirror and / or peripheral of the mirror, in particular with at least one section distinct from the dedicated waterproof case
- the facade glazing possibly serving for the surrounds of several diffusing patterns. It may be preferable to leave a free space in the central area to place a non-condensing heating element of the mirror layer.
- the bottom reflector may be of any shape rectangular or round or square. It can be a metal frame or plastic or glass all around the facade glazing to serve for several diffusing patterns and leave in the center space for attachment to a wall.
- the mirror support is for example spaced or attached to the outside of the entourage and / or the dedicated or common housing, in particular with a hooked opening sufficiently offset from the bottom reflector for attachment to a fixing wall (furniture, Wall).
- the mirror support may have an opening hooked in a plane parallel to the rear face or normal to the rear face.
- the fixing wall (wall or furniture) may have one or more fastening hooks.
- the bottom reflector is a plate (flat or concave towards the facade glazing, without returns against the rear face)
- the mirror support comprises a profile which forms a wall of the surround (support piece, reflector main etc), including a U-section straight section or closed type of square or rectangular.
- the mirror support is fixed for example an adhesive (double-sided) on the bottom reflector, preferably identical (or similar) to an adhesive (double-sided) for fixing (fixing) to the facade glazing.
- This mirror support may have at least one part or end protruding from the bottom reflector (under the rear face, on the mirror layer) for fixing the illuminating mirror to a wall (the two ends or protruding ends of the bottom reflector are better provided). on two opposite edges of the bottom reflector).
- the profile is preferably metal (aluminum etc.) at least 1.5 mm thick.
- the double-sided adhesive between the mirror support and the bottom reflector may have a width (of contact with the bottom reflector) of at least 10 mm and in particular identical to that with the facade glazing and even a thickness of at least minus 1 mm.
- This embodiment takes advantage of the fastening profile to form the housing or even the support part.
- This profile may be more peripheral than the diffusing pattern or in the central area of the mirror.
- the bottom reflector is a plate (flat or concave without returns on the rear face), the mirror support forms a wall of the surrounding (support piece, main reflector, etc.), in particular is a profile (straight ) of U-shaped or closed section of rectangular or square type. This mirror support is adhesively secured to the edge of the bottom reflector.
- the 1 ', 1 a, 2', 2a, 3a, 4a, 5a, 5'a, 5 ", 6a, 6'a, 7a, 8a are diagrammatic front views (back face side) of the lighting mirrors ;
- FIG. 1 'a, 1 b to 11 show examples of the diffusing patterns and arrangement of the PCB on diodes
- ⁇ Figures 1 and m 1 n show examples of profile with PCB and diodes used for two adjacent diffusing patterns.
- FIG. 1 schematically represents a longitudinal sectional view of a light-emitting diode illuminating mirror 100 in a first embodiment of the invention.
- the mirror 100 comprises a front glazing 1, made of flat mineral glass, for example a rectangular glass sheet, with a first main face 1 1 forming the rear face with lateral and longitudinal edges, and a second main face 12 forming the face. before, and a slice 13, glazing preferably less than 6mm thickness, of light transmission of at least 85%, such as PLANILUX glass sold by the applicant company.
- a front glazing 1 made of flat mineral glass, for example a rectangular glass sheet, with a first main face 1 1 forming the rear face with lateral and longitudinal edges, and a second main face 12 forming the face. before, and a slice 13, glazing preferably less than 6mm thickness, of light transmission of at least 85%, such as PLANILUX glass sold by the applicant company.
- the rear face 1 1 is coated with a metal layer 2 based on silver (made by silvering) called mirror layer, giving the mirror function on the front face, with a light reflection R L of at least 85%, coated with -Even of a protective layer (not shown), mirror layer present in particular in a central zone of the facade glazing, and the periphery of the glazing.
- a metal layer 2 based on silver made by silvering
- mirror layer giving the mirror function on the front face, with a light reflection R L of at least 85%, coated with -Even of a protective layer (not shown), mirror layer present in particular in a central zone of the facade glazing, and the periphery of the glazing.
- a diffusing pattern 3 is adjacent to the mirror layer 2 in the central zone, the mirror layer surrounding the diffusing pattern, preferably alone or possibly with a masking layer (decorative enamel, etc.).
- the rear face 11 comprises the mirror layer with one or discontinuities formed or filled by the scattering pattern and even other scattering patterns.
- the diffusing pattern is capable of modifying the light transmission of the facade glazing 1, for example so that it is between 40 and 85% on the front side of the mirror.
- the diffusing pattern prevents too intense transmission of the rays (direct lateral or reflected by the bottom reflector in particular) emitted by the diodes, substantially reduce the glare of an individual looking towards the mirror 100.
- the facade glazing 1 with the Diffusing pattern 3 has a blur of at least 90% or even at least 95% on the front side of the mirror measured by Hazemeter in a conventional manner.
- the pattern diffusing on the rear face 1 1 of the glass is preferably obtained by texturing the glass preferably already coated with the mirror layer, in particular by sandblasting.
- the pattern can also be formed by acidifying the glass as produced for the SAINT-GOBAIN GLASS Satinovo® glass.
- the diffusing pattern 3 may be a diffusing layer (in this case a partial mirror is preferably made from the outset) preferably mineral essential, for example made by screen printing of an enamel (white) screen printing having the advantage of allow to obtain any type of design with well-defined boundaries.
- a diffusing layer in this case a partial mirror is preferably made from the outset
- mineral essential for example made by screen printing of an enamel (white) screen printing having the advantage of allow to obtain any type of design with well-defined boundaries.
- It may be an enamel such as that produced for SAINT-GOBAIN GLASS Smoothlite® glass or a Lambertian enamel for example as described in the application example WO2012168647
- a first group of inorganic light emitting diodes 41 (or LED) along the longitudinal edge 31 preferably the innermost to the diffusing pattern 3.
- the choice of the edge internal avoids visual discomfort (hot spots at low angle, less than 10 °) when a person looks at the mirror in the central area at a short distance.
- the PCB 40 is parallel to the inner edge and all along the inner edge 31.
- the diodes are aligned, in a row, and evenly distributed on the first PCB 40, of linear or rigid strip type, straight, in particular of aluminum, and optionally with a diffusing layer around the diodes 41, for the recycling of radii , in the form of a white paint or lacquer.
- the end diodes be within 1 cm of the side edges of the elongated pattern.
- the diodes 41 each have an emitting face perpendicular to the PCB 40 ("top emitting English”) rather than a lateral side emission (“side emitting” in English).
- the first PCB 40 is carried (from the rear) by a profile said support piece 51.
- a thermal conductive fastening material 6 which is for example glue or double-sided adhesive tape to obtain even better heat dissipation.
- the adhesive tape has the advantage of providing a calibrated thickness, allowing the PCB of the diodes to be perfectly flat and to ensure that the diodes are all equidistant from the reflector or scattering pattern.
- the adhesive tape allows its prior attachment to the PCB.
- We can also use preference of the thermal grease between the PCB and the base such as the compound CK4960® sold by Jetart.
- the PCB 40 may be metallic. Then the diodes are soldered on tracks that are electrically insulated from the metallic material of the PCB. Since the metallic material of the PCB is thermal conductor, the PCB can be directly pressed against the thermal conductive base to achieve heat dissipation. Fixing the PCB to the base can then be carried out for example by clipping and / or screwing but it can retain a double-sided adhesive.
- the diodes 41 are SMD type or "Chip on Board” type. Each of the diodes 41 has a given emission spectrum in the visible, for example a white light, and with a main emission radius F, said first main beam, forming an angle of less than 5 ° with respect to the facade glazing 1. If the radius F is very inclined towards the mirror layer then the LEDs are visible more easily by the user.
- the diodes are preferably chosen with the same (only) main direction of emission F.
- the diodes are chosen with the same spectrum in the visible, mono or polychromatic. We prefer a white or yellow light.
- the emission cone may preferably be symmetrical with respect to F.
- the emission cone may be, for example, lambertian.
- the beam of each diode is divergent and defined by a half-angle at half-height of 60 °.
- the adjacent diode bundles of the first group overlapping on the surface of the scattering pattern.
- the distance e between the emitting face and the rear face (the mirror layer) is greater than 5 mm better than or equal to 10 mm in order to prevent the diode from heating the paint and the silvering thus degrades it.
- the distance e f between the emitting face and the bottom reflector is such that ei - ef
- the radius F may preferably be centered.
- the distance e is substantially equal to e f and between 15mm and 25mm.
- a light reflector box defining an internal space 14, dedicated to the diffusing pattern, and comprising:
- a reflective surround surrounding the diffusing pattern of external length greater than or equal to the length L1 and of external width greater than or equal to the width W1, bonded to the facade glazing by the rear face 1 1 by a adhesive 61, for example sealing with liquid water, in particular a double-sided adhesive tape,
- the reflective surround forms a rectangular frame from two, three or four straight sections (preferably curved) and preferably of section (constant), of height (constant) and identical material.
- the diffusing pattern for example six profiles for an L etc.
- the reflective surround therefore comprises for example four U-shaped profiles 51 to 54 identical with a base perpendicular to the facade glazing and on both sides of the base two wings or returns oriented towards the internal space 14, therefore:
- the support piece 51 reflecting the light on either side of the first PCB, with a base 5 perpendicular to the facade glazing and on both sides of the base 2 returns 5a, 5b oriented towards the space internal 14,
- main reflector 52 positioned in front of the first PCB, - To laterally partition the light, first and second side pieces 53 and 54 (see Figure 1 a), along the side edges of the elongated diffusing pattern, for maximum recycling of light rays.
- the wing 5a of the support piece on the facade glazing side is fixed to the rear face 1 1 by the double-sided adhesive 61 which is a strip all along the support piece with a width of at least 5 mm which is said to be contact width with the mirror layer (protected).
- the wing 5b is fixed to the bottom reflector 1 'by the double-sided adhesive 62, identical, for example with a contact width of at least 5mm. It is the same for the profiles 52 to 54.
- each adhesive strip 61 was precollected on the wings 5a on the facade glazing side before being fixed on the mirror layer. Then, after gluing, we realize necessary all four abutments.
- the abutment seals 63 are for example white or transparent silicone, or again this double-sided adhesive, however this is less easy to put in place.
- each profile 51 to 54 of the reflective surround is:
- - metal preferably aluminum, anodized, raw, polished or optionally coated with a diffuse reflection layer around the diodes 2, for ray recycling,
- the reflector profile 51 to 54 is straight metal, of U section, of thickness less than or equal to 3 mm even at 1 mm.
- the reflector profile 51 to 54 is PC or PMMA coated, straight, U-section, thickness less than or equal to 5mm.
- the main reflector, the support piece, the first and second lateral parts flanking the diffusing pattern preferably rectangular frame, and are spaced apart for example from a constant distance from the scattering pattern.
- the first PCB 40 does not need to have encapsulation, a tropicalization varnish for watertightness if the housing is waterproof.
- the sections 51 to 54 are spaced less than 1 mm are joined by abutment and the PCB and the diodes are watertight.
- the double-sided adhesive on almost all the surrounding provides a satisfactory first level of sealing and maintains a robust and durable attachment.
- On the other side lateral of the facade glazing 100 can be duplicated means to make a second efficient, homogeneous and durable light pattern: second diffusing pattern, second PCB with the diodes, second reflective surround 51a, 52a, second bottom reflector and second means fixing (and even second sealing means).
- the first PCB 40 comprises a power supply wire 91 coming out of the support piece 51 via an opening sealed by means of a cable clamp, wire leading to a connector 92 and to the connection wire of the second PCB for the second diffusing pattern.
- the second PCB (like the first PCB) is electrically powered via a feed wire 91 'coming out of the support piece 51a of the second card via a sealed opening and connected to a transformer 93. resistant to the humid atmosphere.
- a surrounding diffusing element 3i of small extent (typically less than 1 10 mm in length even less than 200 mm in length) while preserving the homogeneity and efficiency. It is furthermore preferred not to interpose separating reflective walls between the support piece and the main reflector in the pattern area.
- the seal for the abutments is a silicone with the choice white or transparent which joins it RUBSON HP.
- the surface of the facade glazing 1 is 600x900mm and it is a 4mm thick glass
- the surface of the base glazing 1 ' is 480 ⁇ 160 mm and it is a glass of 4 mm thick
- the U-shaped profiles 51 to 54 are of thickness 1 mm, length of 480 mm, the width of the wings 51 is 20 mm, the base 5 is of width 25 mm
- the distance between the edge of the glazing 1 'and the slice facade glazing 1 is 45mm
- the distance between the edge of the glazing 1 'and the slice glazing facade 1 is 65mm, the width of the central mirror zone is approximately 700 mm,
- the width of the peripheral mirror zone between the inner edge and the edge is 70 mm
- the height H of the internal space (between bottom reflector and facade glazing) is about 25mm.
- the glazing 100 is placed according to Example 1A in an oven, glazing 100 without fastening element (s) 8 to a wall type wall, elements described below.
- the oven test for sealing follows the protocol FCBA-AMB-FIN 004 defined by the NF furniture, according to different cycles indicated in Table 1.
- test is conclusive: the seal is confirmed and the fixation of the light box is reliable. With the aforementioned alternative adhesive tapes, the test is also conclusive.
- the seal is broken.
- the glue can overflow in the internal (and external) space at the risk of optical performance.
- the mirror is not fixed to the wall via the outer face of the plate bottom reflector to avoid tearing of the adhesive 62 by sliding of the bottom reflector or by excess weight forward.
- the main reflector is L and the base of the main reflector 52 is under the shaped edge (for example a beveled slice of the facade glazing) and the pattern 3 extends to or near this edge shaped.
- the main reflector 52 is then not carrying diodes even if the outer edge of the pattern diffusing stops at the shaped edge, so there is no formation of hot spots at low angle.
- the bottom reflector side wing is preferably not overflowing under the pattern of more than 5mm.
- the base of the lateral reflector 53 or 54 is under the shaped edge (beveled edge of the facade glazing) and the pattern 3 extends to near or even to this shaped edge.
- the reflector 53 is then not carrying diodes even if the outer edge of the scattering pattern stops at the shaped edge, so there is no formation of low angle hot spots.
- the bottom reflector side wing is preferably not overflowing under the pattern of more than 5mm.
- the flanges of the U-shaped sections may be oriented away from the internal space and, if appropriate, the diodes may be placed on the base opposite the wings because the rear face of the mirror reflects the more lateral received rays.
- the illuminating mirror 100 is fixed to a wall (furniture, wall, ceiling, partition ...) using one or more profiles said fastening profiles 8, 81 to 84, here separated from one of the profiles 51 to 54 above the entourage.
- the bottom reflector in the form of a (mineral) glass plate does not participate in fixing at the risk of loosening the adhesive sealing strips 62 and because the (mineral) glass is enough heavy.
- Example 1A four fastening profiles 81 to 84 forming a peripheral frame, abutting, are used near the edge of the facade glazing less than 15 mm.
- the bottom reflector is shifted inward with respect to the edge of the facade glazing.
- the fastening frame 8 is therefore glued in the area of the protruding rear face of the bottom reflector 1 '.
- a wing (rather than preferably a double-sided adhesive or glue).
- the illuminating mirror 100 is fixed on a wall by hooks engaging in the fixing openings, a weight of 1 kg is placed on the mirror 100 and the test of the oven described is repeated. in table 1. It is found that the attachment is intact: no mirror support section is collapsed or even slipped.
- the fixing profiles are replaced by one or more fixing plates placed on the plate bottom reflector on its outer face, it is found that the fixing is less reliable.
- the profiles 81 to 84 are masked by the mirror layer 2 and are devoid of return on the front face contrary to the prior art.
- the front face 12 of the facade glazing is devoid of masking or fixing element, or even walking or macroscopic hollow at least 1 m and also surface texturing for the diffusion of light. This makes it easy to clean the front panel.
- a typically rectangular or hollow rectangular closed section can be employed.
- the PCB 40 carries 30 diodes, is 10 mm wide, is flexible, with a thickness of the order of 1 mm,
- the PCB 40 and diodes 41 has an efficiency between 80 and 90 Im / W
- the distance ei between the diodes and the scattering pattern is of the order of 10 mm
- the distance ef between the diodes and the bottom reflecting surface of the bottom reflector is of the order of 10 mm
- the diodes, without optics, are of height of the order of 3 mm, of width less than 4 mm, with a regular distance between diodes of 10 mm +/- 2 mm.
- the diffusing pattern 3 is elongated, composed of five spaced-apart diffusing elements 3i, in the form of rolls of the same or similar size, inscribed in a rectangular band R (in a line full).
- the width W1 of the pattern 3, the band R is centimeter and less than 70mm.
- the diffusing pattern 3 is spaced from the slice 13 of the facade glazing.
- the elongated pattern is defined by a first longitudinal edge 31, said internal, on the side of the central zone of the mirror, a second outer longitudinal edge 32, the most peripheral, along the lateral edge of the front glass 1, a first edge lateral 33 (top in the figure), a second opposite lateral edge 34.
- the dashed lines show the contours (the slice 13 ') of the bottom reflector 1' which is not shown to clarify the figure.
- the distance D1 between the inner edge 31 and each closest emitting face on the first PCB is at least 10 mm.
- the maximum distance Dmax between the inner edge 31 and the nearest emitting face and even the majority or each emitter face on the first PCB is preferably less than or equal to 40mm.
- the distance between the base 5a of the U-shaped support piece 51 and the inner longitudinal edge 31 is less than 20mm.
- the ends of the wings of the support piece are at the edge of the diffusing pattern and are of predetermined width to place the diodes at the distance D1 of at least 12 mm. It is preferred that the ends of the wings do not exceed under the diffusing elements of at most 5 mm because the bottom reflector by its layer 7 forms a better reflector.
- the distance between the base of the main reflector 52 (devoid of PCB, diodes) and the inner longitudinal edge is less than 10mm.
- the ends of the wings of the main reflector 52 are at the edge of the diffusing pattern. It is preferred that the ends of the wings do not exceed under the diffusing elements of at most 5 mm because the bottom reflector by its layer 7 forms a better reflector.
- the distance between the base of a lateral piece 53 or 54 and the lateral edge is less than 10 mm.
- the ends of the wings of this part 53 or 54 are at the edge of the diffusing pattern. It is preferred that the ends of the wings do not exceed under the diffusing elements of at most 5 mm because the bottom reflector by its layer 7 forms a better reflector.
- the main reflector (as the side parts) could be oblique with respect to the facade glazing, as in the prior art, but this complicates the room, the way to guarantee the seal and is more bulky and imposes a peripheral mirror area even greater minimum.
- the width W 1 of the elongated pattern (hence of the area R) is 40 mm the length L 1 of the elongated pattern (hence of the area R) is 420 mm,
- the distance D1 is 15 mm
- a single row of diodes along the inner longitudinal edge 31 (or outer) is sufficient for homogeneity of illumination to normal as W1 is less than or equal to 70 mm, we can however add another row of diodes along the outer longitudinal edge, if we want to further increase the luminous efficiency.
- the main reflector carries this second row of diodes on its normal base to the facade glazing of at most 5 °.
- a single row of diodes along the inner (or outer) longitudinal edge is not sufficient for the homogeneity of illumination to normal if W1 is greater than 70mm.
- the main reflector carries this second row of diodes on its normal base to the facade glazing of at most 5 °.
- Example 1B the differences with Example 1A are as follows:
- the width W 1 of the elongated pattern (hence of the area R) is 1 16 mm
- the PCB 40 carries 90 diodes spaced apart with a regular distance of 15mm, surrounding the entire pattern.
- the distance D 2 between the external longitudinal edge and each emitting face of the second row of diodes 42 is then at least 10 mm.
- the maximum distance Dmax between the outer edge 32 and the nearest emitting face and even the majority or each emitter face on the first PCB is less than or equal to 40mm.
- Diodes on PCB can also be placed on the lateral edges, carried for example by the lateral parts 53, 54 of the reflective surround. These diodes on the side edge or edges have no significant influence on the homogeneity even if L1 is greater than or equal to 200mm.
- the distance D3 between the lateral edge and each nearest emitting face is then at least 10 mm.
- the maximum distance Dmax between the lateral edge 33 and the face the closest transmitter and even the majority or each emitting face on the first PCB is preferably less than or equal to 40mm.
- the distance D4 between the opposite lateral edge and each nearest emitting face is then at least 10 mm.
- the maximum distance Dmax between the lateral edge 34 and the nearest emitting face and even the majority or each emitter face on the first PCB is preferably less than or equal to 40 mm.
- the arrangement of the diodes along the edges depends on the design of the diffusing pattern. Regardless of the diffusing pattern, care is taken to ensure that the distance between each edge of the diffusing pattern and each nearest emitting face is at least 10 mm and preferably less than or equal to 40 mm.
- the reflective surround and the diodes are positioned in the same way, respecting D1 and, where appropriate, D2, D3, and D4 and the bottom reflector for a diffusing pattern forming a single rectangular band R, as shown in FIG. 1b.
- the band R of the scattering pattern there may be locally one or more mirror areas preserved, as shown by the dashed lines.
- FIG. 1c shows a pattern composed of a series of diffusing elements 3i, round or oval, for example, of various sizes, inscribed in a rectangular zone R (or square if necessary) passing through the edges of the elements of the pattern more off center.
- FIG. 1 d shows a scattering pattern in C pattern inscribed in a rectangular zone R with two "longitudinal" edges 31, 32, the first edge 31 including the end edges 31 e and 31 'e.
- D1 to D4 is at least 10mm and preferably less than or equal to 40mm.
- FIG. 1 e shows a scattering pattern in a 3 'disc pattern inscribed in a square or rectangular R area (if oval, ellipsoid).
- D is the distance between the edge 31 'of the round and each face is at least 10 mm and preferably less than or equal to 40 mm.
- FIGS. 1f to 1j show the location of the diodes 41, 42 necessary for a good homogeneity for an L-shaped diffusing pattern, thus comprising a return or "small arm" of length Lt and width Wt, protruding from a rectangular strip R of width W1 and longer than Lt.
- the first PCB 40 is placed along the inner edge 36 of the return and the inner edge 31 of the strip, thus reproducing an L (in a single curved PCB for example) with a distance, preferably constant, D1 between the emitting face 41 and the inner edge 31 or 36 of at least 10mm and preferably less than or equal to 40mm.
- Wt and W1 are less than or equal to 70 mm therefore it is not necessary to place the diodes also on the outer edge of the return 33 'and on the edges 32, 33 of the strip.
- Lt is less than 20mm
- the first PCB 40 can be placed along the (small) end edge 35 of the return and the inner edge 31 of the strip, so the extension, a row of diodes 41 rectilinear (in a single PCB for example) with a variable distance to the larger scattering pattern between the emitting face and the inner edge 31 that the inner edge 36 of the return.
- the distance D1 at the small edge 35 is at least 10 mm and preferably less than or equal to 40 mm.
- Wt and W1 are less than or equal to 70mm so it is not necessary to place the diodes also on the outer edge 33 of the return and on the edges 32, 33 of the strip.
- the L-shaped pattern may have other shapes, in F, comb, with a return placed otherwise in the extension of the band, possibly with one or other projections of width less than or equal to 20mm (shown in dotted lines) we will place the diodes in the same way, rectilinearly.
- the first PCB 41 is placed along the (large) inner edge 36 of the return and the inner edge 31 of the strip, and even edge 35 (in a single curved PCB for example) with a distance D1 between each emitter face and the inner edge 31, 35 or 36 of at least 10mm and less than or equal to 40mm.
- the diodes are also placed on the longitudinal outer edge 32 of the strip. We can also put all around the pattern for simplicity.
- the first PCB 40 when Lt is greater than or equal to 20 mm, for homogeneity the first PCB 40 is placed along the (large) inner edge 36 of the return and the inner edge 31 of the strip, thus reproducing an L (in a single curved PCB for example) with a distance between the emitting face of the diodes and these internal edges 31, 36 of at least 10 mm and preferably less than or equal to 40 mm. Since Wt and W1 are greater than 70 mm, the diodes 42 are also placed on the outer edge of the return 33 'and the outer edge 32 and the lateral edge 33 of the strip.
- Figure 1j shows a triangle pattern 3 for which diodes are placed on two sides of the triangle or all around for simplicity or if the maximum width of the total pattern is greater than 70mm.
- Figure 1k shows a scattering pattern forming a frame 3 "with a rectangular inner contour 31" (or rounded corners) and a rectangular outer contour 32 "(or rounded corners) .
- this configuration it is preferred to place the diodes all around of the inner contour forming a preferably rectangular frame with a distance D1 (constant) between the closest emitting face and the internal contour of at least 10mm and preferably less than or equal to 40mm.
- the reflective surround 51 b to 54b meanwhile is a rectangular frame all around the outer contour.
- the reflective surround can form with the bottom reflector (shown in dotted lines) and the facade glazing a sealed housing which does not include the support part 51 and two mirror support profiles 81, 82 are used on the lateral edges of the glazing.
- the width W'1 of the frame pattern is greater than 70mm, all around the outer contour 32 'of the similar diodes 42 are also placed on the surround with a distance D2 between the nearest emitting face and the inner contour. at least 10mm and preferably less than or equal to 40mm.
- Figure 11 shows how to position the diodes in the case of scattering elements close enough but too wide in width to be surrounded by a single entourage
- each zone R, R1, R2 being distant from the emitting faces
- the distance D 1, D 1, D -1 of the longitudinal edge (preferably internal 31, 31 ', 31 ") of at least 10 mm and preferably less than or equal to 40 mm, where appropriate, the distance D 2, D 2, D 2 (if W 1 greater than 70 mm) from the other longitudinal edge (preferably external 32, 32 ', 32 ") of at least 10 mm and preferably smaller or equal to 40mm,
- distances D3, D'3, D3 and / or D4, D'4, D4 of the lateral edges (preferably 33 to 34 ") of at least 10 mm and preferably less than or equal to 40mm.
- a surrounding wall such as a U-shaped section can serve both as a support piece for the diodes for two adjacent patterns.
- FIG. 2 schematically represents a partial cross-sectional view of a light-emitting diode illuminating mirror 200 in a second embodiment of the invention.
- the illuminating mirror 200 differs in particular from the mirror 100 first by the width W1 of the pattern, greater than 70mm.
- a single row of diodes 41 along the inner edge 31 (or outer) is not sufficient for the homogeneity of the illumination to normal.
- the main reflector is preferably normal to the facade glazing for a better homogeneity.
- the main spokes F, F 'of the two groups 41, 42 are therefore at an angle of at most 5 ° with the facade glazing.
- the distance D2 between the outer edge and the emitter face closest to the diode on the second PCB is at least 10mm.
- the maximum distance Dmax between the outer edge and each emitting face on the second PCB is less than 40mm.
- the first PCB may be connected to the second PCB 40 'between the side edge of the diffusing pattern and the side piece of the surround.
- the first and second PCBs can be replaced by a single PCB and diodes are placed all around the diffusing pattern 3, the PCB being carried by the reflective surround 51 to 54.
- the diodes at or below the corners are at a distance from the nearest edge of the diffusing pattern of at least 10mm:
- the base glazing is this time, in a variant, coated with a specular reflection layer 7 ', preferably a mirror layer, such as a silver coating protected by its paint.
- a specular reflection layer 7 ' preferably a mirror layer, such as a silver coating protected by its paint.
- a background glass with mirror area identical to the front glazing (except here by their size).
- the fastening frame 8, 81 to 84 is in the central zone of the mirror 200.
- the outer edge of the diffusing pattern 31 may be closer to the edge 13 front glazing, typically less than 25mm taking into account the distance D2 and the thickness of the profile of the entourage 52.
- the diffusing pattern 3 is here composed of five diffusing elements 3 with a complex shape (rounded rectangles and contiguous rectangles) or in a non-geometric variant inscribed in a rectangular zone R as already explained which can be used to define D1, D2 and possibly D3 and D4 the case. applicable.
- FIG. 2 schematically represents a rear-end view of a light-emitting diode illuminating mirror 200' in a variant of the second embodiment of the invention.
- the illuminating mirror 200 'differs in particular from the mirror 200 by the first pattern forming a large L (hence six sides) on a lateral and longitudinal edge of the facade glazing 1 and by another pattern in small L (hence six sides) on the outside. other longitudinal side edge of the facade glazing 1.
- Two L-shaped surrounds are used:
- a single glazing 1 ' is used, with the specular reflecting layer 7' (or diffuse 7), to form the two bottom reflectors of the small and large diffusing pattern, thus forming a frame, absent from the center of the mirror, for wall mounting. , (inner and outer contour 13 'of the potted glass 1).
- This glazing 1 'of mineral glass may alternatively be a plastic made of PMMA or polycarbonate.
- FIG. 3 schematically represents a partial view in longitudinal section of a light-emitting diode-illumination mirror 300 in a third embodiment of the invention.
- the illuminating mirror 300 differs in particular from the mirror 100 by the size of the bottom reflector 1 'which extends in the central zone and the zone of the second diffusing pattern (not shown). In other words, only one bottom reflector is used for the two scattering patterns.
- the four U-shaped profiles forming the reflective surround of the first diffusing pattern are replaced by profiles 51 'to 54' as spacers, of rectangular or square closed section.
- the sidewall 5 'internal space side of the main reflector 52' is at the border with the outer edge 32 of the diffusing pattern or less than 10mm.
- each diffusing pattern 3 is formed of two diffusing elements 3i in strips inscribed in a rectangular zone R.
- the reflective case is a case common to each diffusing pattern, instead of using a dedicated case by diffusing pattern, and also surrounds the feed wire 91 and the transformer 93. To do this the side profiles 53 'and 54' are enlarged.
- the diode support parts 51 'and 51' are more central than the main reflectors 52 and are not part of the sealed housing.
- the support pieces 51 'and 51' a are not necessarily joined to the common housing.
- Figure 4a schematically shows a rear view of a light-emitting diode illuminator mirror 400 in a fourth embodiment of the invention.
- Figure 4 is a partial side sectional view from a longitudinal edge 131 of the facade glazing 1.
- the diffusing pattern 3 inscribed in a rectangular zone R is in the form of six bubbles (including a cut-off bubble) and whose lateral edge 34 extends to the shaped edge Z of the wide edge 34 of at most 2 mm.
- a non-return profile is placed against the rear face 1 1, which is a square 54 ", L, metallic (or reflective) against or possibly joined to the rear face by a said edge seal which is a silicone sealant 610 white or preferably transparent in zone Z.
- the bracket is of thickness e p of 0.8 mm or 1 mm.
- the bracket 54 "is devoid of diodes (source of hot spots).
- a plastic box (with a reflective layer on the rear face), in U, with a thickness of at most 0.8 mm or even 1 mm, is used for the surround, possibly with hanging profiles for the supporting profile sections.
- the same system of square and edge joint can be made under a shaped edge of the other side edge (in addition); again square devoid of diodes and even realize the same system of square and edge seal on a longitudinal edge and the main reflector is not carrying diodes. Fixing by the adhesive (double-sided) 61 on three sides of the back side or even on two sides is sufficient.
- Figure 5a schematically shows a rear and partial view of a light emitting diode illuminator mirror 500 in a fifth embodiment of the invention.
- Figure 5 is a partial longitudinal sectional view of the mirror 500.
- the housing further comprises three U-shaped profiles for example glued by the double-sided adhesive 61 to the rear face of the facade glazing 1 and under the mirror layer 2 and by the double-sided adhesive 62 to the reflector of bottom 1 '.
- a fourth section 8 straight, in U with a base 8a and two returns 8b opposite the internal space 14 (or in a rectangular or square closed section, spacer type), made of metal (alternatively plastic or in glass and with a reflective layer).
- This fourth section has a contact width by the adhesive 61 'of at least 10 mm for a good fixation of the mirror and a thickness of material of at least 1.5mm and possibly a height H 'greater than H.
- This profile 8 serves not only for fixing to a wall (furniture, wall ...) via one or two fixing openings 80 but also for surrounding, as support piece of the diodes on the face 8'a.
- This mounting profile thus carries via this right wall 8'a the first PCB
- This fastening section facing the edge 13 'of the reflector 1' is sealed by adding a "lateral" sealing element such as a silicone sealant 64 'or a double-sided adhesive 64.
- a "lateral" sealing element such as a silicone sealant 64 'or a double-sided adhesive 64.
- the profile is butted with the profiles
- main reflector can be replaced by a mirror support profile in the same configuration. This is also possible if it is a common housing including surrounding also a second scattering pattern.
- Figure 5'a schematically shows a rear and partial view of a light emitting diode mirror 500 'in a variant of the fifth embodiment of the invention.
- the diode support section 51 'for example a spacer of square or rectangular section is not necessarily abutted or fixed by adhesive or joined to the other lateral sections 53', 54 '.
- Figure 5 schematically shows a rear view of a 500-light-emitting diode illuminating mirror in a new embodiment of the invention.
- each scattering pattern 3 strip with central return, forming a "T" therefore with eight sides or edges
- a PCB on seven profiles (type spacers of rectangular or square lateral section, butt jointed 63 or spaced less than 5 mm) and on one of the profiles 81 or 82 mirror support forming part of the fastening profile 8 (four-piece frame 81 to 84 in the central mirror area).
- Each of the profiles is part of the surrounding of a diffusing pattern and carries the diodes for its pattern diffusing on a portion 810, 820 of the profile.
- Figure 6a schematically shows a rear and partial view of a light emitting diode illuminator mirror 600 in a sixth embodiment of the invention.
- Figure 6 is a partial view and longitudinal section of the mirror.
- the reflective surround further comprises three U-shaped profiles attached to the rear face of the facade glazing 1 under the mirror layer 2, for example glued by the double-sided adhesive 61 and to the bottom reflector 1 'for example by the double-sided adhesive 62.
- a fourth section 8 right is U with a base 8a and two returns 8b opposite the inner space 14 (or in a rectangular or square closed section variant) is between the bottom reflector 1 'and the glazing facade 1 but of different dimensions.
- This profile 8 is preferably metal or plastic or reflective layer glass. It has a material thickness of at least 1.5mm, a width of contact with the mirror layer by the double-sided adhesive 61 'of at least 10mm and a contact width with the bottom reflector of at least 10mm.
- This section 8 carries, via a straight wall 8'a of the base, the first PCB with the diodes 41 along the longitudinal inner edge 31 of the diffusing pattern 3, for example three rollers 3i with a width of at most 65 mm and at a distance of distance D1 of at least 10mm from the inner edge 31 of the diffusing pattern.
- This profile 8 serves not only for the entourage but also for fixing to a wall (furniture, wall ). Also this fastening profile 8 comprises two protruding ends 8c, 8d (here longitudinal) of the bottom reflector 1, on two opposite edges ends still under the mirror layer 2 at the periphery of the facade glazing 1 and with means for fixing such that an opening 80 or a double-sided adhesive.
- the longitudinal outer section can be replaced by a mirror support section in the same configuration.
- FIG. 6'a schematically represents a rear and partial view of a light-emitting diode-reflecting mirror 600 'in a variant of the sixth embodiment of FIG. embodiment of the invention.
- the diode support section 51 'for example of rectangular section is not necessarily abutted or attached by adhesive or seal to the other lateral sections 52 ', 53', 54 ', for example of rectangular section.
- FIG. 7 schematically represents a partial view in longitudinal section of a light-emitting diode illuminating mirror 700 in a seventh embodiment of the invention.
- the illuminating mirror 700 differs in particular from the mirror 100 by the main reflector 52 'which is a profile (spacer and between the mirror layer 2 and the bottom reflector 1 ") of rectangular section along the outer longitudinal edge 32.
- FIG. 8 schematically represents a longitudinal sectional view of a light-emitting diode illuminating mirror 800 in an eighth embodiment of the invention.
- the illuminating mirror 800 differs from the mirror 100 by the choice of the entire surround and reflector background.
- a plastic box 50 (in PMMA, in PC) is used, of which:
- the bottom, plane (or concave towards the internal space) coated with a reflective layer 7 (preferably diffuse reflection) opposite external face to the internal space forms the bottom reflector 1 "and
- the casing does not have a simple U-shaped section but also has a return 50a towards the internal space and provided with the double-sided adhesive 61 all around its periphery.
- the return oriented in the internal space is perpendicular to the side walls 501 to 504, and surrounds the diffusing pattern 3 without overflowing on the scattering pattern 3.
- the thickness of the box is less than 5mm, for example 0.8mm.
- the return may also be coated with a reflective layer (preferably diffuse reflection) on the outer face opposite to the internal space and in contact with the double-sided adhesive 61.
- This box can be made for molding, extrusion, the reflective layer 7 being deposited before or after forming.
- the frame return (or part of the frame return) is external to the internal space but the compactness is lost and the scattering pattern is removed from the edge of the facade glazing.
- Figure 9 schematically shows a longitudinal sectional view of a light-emitting diode illuminator 900 in a ninth embodiment of the invention.
- the illuminating mirror 900 differs from the mirror 800 firstly by the shape of the box and by its fixing.
- a box of simple U-shaped shape with a thickness of about 1 mm is used, it is made of plastic, such as polycarbonate or PMMA with a reflective layer 7 opposite to the internal space 14.
- the bottom is flat (or concave variant to the internal space).
- the thickness of the box is less than 5mm, for example 3mm.
- two hanging profiles 51 1, 512 which are L squares each with:
- brackets of fasteners are used on the four sides.
- the fixing is done by screws 6th.
- Two diode strips 41, 42 bonded by double-sided adhesive 6 are placed on the hanging profiles 51 1, 512 along the edges 31, 32.
- the casing 50 is for example fixed to a wall, a furniture wall, via fastening plates 8 'with fixing loops, metal plates bonded for example via the same double-sided adhesive 6' on the layer 7 'or by drilling by screws.
- FIG. 9 schematically represents a partial view of a longitudinal section of a light-emitting diode illuminating mirror 900' in a variant of the ninth embodiment of the invention. Only the differences from the ninth mode are described.
- the illuminating mirror 900 'differs from the mirror 900 first by its external attachment to the internal space by the brackets 51 1, 512 external to the box. Alternatively four brackets are used (one bracket per wall of the box).
- FIG. 9 "schematically represents a longitudinal sectional view of a light-emitting diode-reflecting mirror 900" in another variant of the ninth embodiment of the invention.
- the illuminating mirror 900 "differs from the mirror 900 by its extent over almost the entire surface of the facade glazing 1 possibly surrounding the power supply or even other diffusing patterns (not shown).
- Optical measurements are made on illuminating mirrors with four reflector architectures to evaluate the efficiency and homogeneity of luminance at normal.
- Examples Ex1 and Ex2 are examples according to the invention.
- Examples Exl com and Ex2comp are comparative examples made by the applicant.
- the illuminating mirror comprises a facade glazing with a mirror layer, a scattering pattern, a reflective surround and diodes on a PCB as already described for Example 1B.
- the diodes are the product named SMD3528 of the company ILLUSION LED Limited of 3200K color temperature.
- the PCB with the diodes has an efficiency of 80 Im / w.
- colorimetric variations of +/- 0.005 on X and Y of the color chart CIE 1931 are preferably chosen.
- the R L is, like the T L , defined in the EN410 standard.
- the measurements were carried out under illuminant D65 with a Konica Minolta CM-3700d spectrophotometer.
- the façade glazing is a 4mm Planilux glazing of the plaintiff company covered on its back side with a layer of silver of at least 50 nm with a protective paint.
- the silvering and its protection were sandblasted to form the diffusing pattern giving a blur of 95% and a T L of about 70%.
- This is the product Miralite REVOLUTION, sandblasted, the company Applicant.
- the bottom reflector glazing is provided with a diffuse reflective layer which is on its outer main face, therefore opposite to the space internal.
- a diffuse reflective layer which is on its outer main face, therefore opposite to the space internal.
- the white Planilaque product of the Applicant company composed of a 4mm Planilux glazing and a white lacquer.
- the bottom reflector glazing is provided with a specular reflecting layer which is on the outer face and therefore opposite to the internal space. More specifically, it is the product Miralite REVOLUTION, the Applicant company consisting of a 4mm Planilux glazing covered on its outer surface with a silver layer of at least 50 nm, with a protective paint.
- the glazing of the bottom reflector is provided with a diffuse reflective layer which is on the inner face, so internal space side. More precisely, it is the product Planilaque white composed of a Planilux glazing of 4mm and a white lacquer.
- the bottom reflector is an aluminum plate covered with a diffusing white paint.
- ⁇ luminance indicates the difference in luminance with the normal, reflecting the degree of homogeneity of the lighting from one longitudinal edge to the other.
- the protocol for measuring flow and efficiency is as follows, for each example.
- the mirror is first fixed in the center of an integrating sphere to measure the luminous flux and the color temperature of the light extracted from the scattering pattern. From the measured luminous flux, it is then possible to calculate the luminous efficiency of the mirror.
- the mirror is positioned under a Lumicam camera to measure the luminance at normal at each point of the pattern and determine the homogeneity of the illumination.
- the reflectors on the outer face of the glazing allow illumination of the most homogeneous diffusing zone.
- One possible explanation is that part of the light reflected by the lacquer or mirror is guided into the glass, which improves the homogeneity of the lighting.
- R L of Example 1 measured is not significant because it does not take into account the light propagating on the wafer.
- the reflector with the diffusing layer on the external face also makes it possible to keep a color temperature close to that of the diodes (approximately 3200K), unlike the mirror reflector on the rear face.
- the light transmission T L measured on the outside of the internal space is low enough not to lose light.
- the internal space-side surface of the glass plate may be smooth as here or alternatively textured or with a diffusing layer.
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1356891A FR3008479B1 (en) | 2013-07-12 | 2013-07-12 | LIGHT EMITTING MIRROR WITH LIGHT EMITTING DIODES AND ITS FORMATION |
PCT/FR2014/051616 WO2015004363A1 (en) | 2013-07-12 | 2014-06-26 | Illuminating mirror having light emitting diodes and formation thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3019053A1 true EP3019053A1 (en) | 2016-05-18 |
EP3019053B1 EP3019053B1 (en) | 2017-04-26 |
Family
ID=49753285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14739898.6A Not-in-force EP3019053B1 (en) | 2013-07-12 | 2014-06-26 | Illuminating mirror having light emitting diodes and formation thereof |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3019053B1 (en) |
FR (1) | FR3008479B1 (en) |
PL (1) | PL3019053T3 (en) |
PT (1) | PT3019053T (en) |
WO (1) | WO2015004363A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3056894B1 (en) * | 2016-09-30 | 2018-11-16 | Saint-Gobain Glass France | LIGHT EMITTING MIRROR WITH ELECTROLUMINESCENT DIODES |
FR3056893B1 (en) * | 2016-09-30 | 2018-11-02 | Saint-Gobain Glass France | LIGHT EMITTING MIRROR WITH ELECTROLUMINESCENT DIODES. |
IT202000008731A1 (en) * | 2020-04-23 | 2021-10-23 | Vanita & Casa S R L | BACKLIT MIRROR |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1170039A (en) * | 1997-06-24 | 1999-03-16 | Toto Ltd | Mirror device with lighting |
DE102009060219A1 (en) * | 2009-11-25 | 2011-05-26 | Sam Schulte Gmbh + Comp. | Lamp and wall mirror with light |
FR2955915B1 (en) * | 2010-02-01 | 2012-03-09 | Saint Gobain | LUMINOUS MULTIPLE GLAZING WITH LIGHT EMITTING DIODES |
FR2964446B1 (en) * | 2010-09-02 | 2012-08-24 | Saint Gobain | DECORATIVE AND LIGHTING PANEL WITH ELECTROLUMINESCENT DIODES |
-
2013
- 2013-07-12 FR FR1356891A patent/FR3008479B1/en not_active Expired - Fee Related
-
2014
- 2014-06-26 EP EP14739898.6A patent/EP3019053B1/en not_active Not-in-force
- 2014-06-26 WO PCT/FR2014/051616 patent/WO2015004363A1/en active Application Filing
- 2014-06-26 PT PT147398986T patent/PT3019053T/en unknown
- 2014-06-26 PL PL14739898T patent/PL3019053T3/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR3008479B1 (en) | 2015-06-26 |
WO2015004363A1 (en) | 2015-01-15 |
PL3019053T3 (en) | 2017-09-29 |
FR3008479A1 (en) | 2015-01-16 |
EP3019053B1 (en) | 2017-04-26 |
PT3019053T (en) | 2017-06-22 |
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