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WO2003061351A1 - Systeme de revetement electroluminescent - Google Patents

Systeme de revetement electroluminescent Download PDF

Info

Publication number
WO2003061351A1
WO2003061351A1 PCT/US2002/039466 US0239466W WO03061351A1 WO 2003061351 A1 WO2003061351 A1 WO 2003061351A1 US 0239466 W US0239466 W US 0239466W WO 03061351 A1 WO03061351 A1 WO 03061351A1
Authority
WO
WIPO (PCT)
Prior art keywords
film layer
color
providing
coating system
mid
Prior art date
Application number
PCT/US2002/039466
Other languages
English (en)
Inventor
Bradley Richards
Anthony Dyach
Original Assignee
Basf Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/065,986 external-priority patent/US20040110026A1/en
Application filed by Basf Corporation filed Critical Basf Corporation
Priority to CA002466248A priority Critical patent/CA2466248A1/fr
Priority to MXPA04005198A priority patent/MXPA04005198A/es
Priority to AU2002357136A priority patent/AU2002357136A1/en
Publication of WO2003061351A1 publication Critical patent/WO2003061351A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/22—Luminous paints
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional radiating surfaces

Definitions

  • the subject invention generally relates to an electroluminescent (EL)
  • coating system including an EL phosphor, that is applied on a substrate. More
  • the subject invention relates to a tri-coat EL coating system applied to an automotive body panel where the EL phosphor is preferably excited by
  • color-providing film layer having an EL phosphor, and a clearcoat film layer.
  • these coatings systems i.e., coating systems without a mid-coat film layer
  • coating systems with the phosphorescent pigment are not cross-linkable.
  • compositions that are not cross-linkable are disclosed in the '737 and
  • these coating systems do not include a clearcoat
  • compositions are not suitable for automotive coating systems where multiple film
  • EL phosphors may also exhibit
  • the EL coating system be cross-linkable and suitable for application to an automotive body panel. It is also desirable for the EL phosphor to be excited
  • the EL coating system includes a
  • a color-providing film layer is applied to the substrate.
  • the color-providing film layer is applied to the substrate.
  • providing film layer includes an EL phosphor.
  • the color-providing film layer can be any color-providing film layer.
  • An at least partially-transparent mid-coat film layer to form an at least partially-transparent mid-coat film layer.
  • partially-transparent clearcoat composition is applied to the mid-coat film layer to form an at least partially-transparent clearcoat film layer.
  • the mid-coat film layer in this tri-coat coating system can be any suitable coating system.
  • the mid-coat film layer in this tri-coat coating system can be any suitable coating system.
  • At least one of the film layers is formed from a
  • composition that is cross-linkable such that the EL coating system is optimum for
  • the color-providing film layer is excited by electrical induction.
  • Figure 1A includes a schematic electrical diagram illustrating the use of electrical induction to excite an EL coating system having an EL phosphor
  • Figure IB includes a schematic electrical diagram illustrating a primary
  • invention includes a substrate, a color-providing film layer, an at least partially- transparent mid-coat film layer, and an at least partially-transparent clearcoat film
  • the EL coating system is a tri-
  • coat coating system i.e., a coating system having three layers (in addition to the
  • the color-providing film layer is applied to the substrate and includes
  • the at least partially-transparent mid-coat film layer is formed from
  • compositions generally transmit at least 10%, preferably at least 30%, of incident
  • mid-coat composition partially-transparent mid-coat composition
  • clearcoat composition are hereinafter referred to as the clearcoat film layer and the clearcoat composition, respectively.
  • the color-providing film layer i.e., the base or ground coat layer, is
  • the color-providing film layer can be a decal that is
  • the color-providing fihn layer can be any color-providing fihn layer.
  • the color-providing fihn layer can be any color-providing fihn layer.
  • film layer includes the EL phosphor.
  • the color-providing composition is preferably spray applied to
  • the color-providing composition is preferably a liquid that
  • color-providing composition may also be
  • a powder or powder slurry composition may even by applied according to different application methods including, but not limited to, electro-deposition, dip-
  • color-providing composition the color-providing compositions that are suitable
  • color-providing composition that is utilized does not vary the scope of the subject invention.
  • thermosetting and thermoplastic compositions More specifically, polymers
  • Preferred polymers include acrylics, polyurethanes, and polyesters. As indicated above, the polymer in the color-providing composition may be thermoplastic, but
  • cross-linkable is preferably cross-linkable and therefore includes one or more cross-linkable
  • Suitable cross-linkable functional groups include, but are not
  • cross-linkable anhydride, and acetoacetate cross-linkable functional groups.
  • These polymers may be self cross-linked
  • cross-linkable functional groups of the polymer are cross-linkable functional groups of the polymer.
  • the polymer is a polymer of the polymer
  • the cross-linking agent may be
  • aminoplast resin such as melamine, an isocyanate cross-linking agent, a
  • the color-providing film layer includes the EL phosphor.
  • the other film layers may also include EL phosphor.
  • the other film layers specifically the mid-coat film layer and the clearcoat film layer, may also include EL phosphor.
  • the color of the film layers may also include EL phosphor.
  • the EL phosphor in the color-providing film layer is desired for electroluminescence, the EL phosphor in the color-providing film layer
  • the EL phosphor includes copper-doped zinc sulfide.
  • the EL phosphor may include a zinc-sulfide based phosphor activated with a rare earth element, a
  • strontium-aluminate based phosphor activated with a rare earth element or
  • the EL phosphor may be described to be of the general
  • the color-providing film layer may further include an at least partially-
  • pigment either organic or inorganic is suitable for combination, or co-blending,
  • Retroreflective microspheres as are known in the
  • the EL phosphor may be excited by direct electrical contact, it is
  • color-providing film layer forming the letters "B A S F" is applied on a substrate.
  • the color-providing film layer is a decal adhered on the substrate.
  • a power supply such as a car battery
  • DC direct current
  • AC alternating current
  • the EL coating system of the subject invention may also include
  • color-providing film layer is formed from the
  • the color-providing composition is applied to the color-providing composition
  • uncured is intended to include the pre-bake or pre-cure conditions (i.e., the low
  • the color-providing composition is applied to the color-providing composition.
  • uncured film layer of the color-providing composition is preferably cured to form
  • the at least partially-transparent mid-coat composition is applied to the at least partially-transparent mid-coat composition.
  • the color-providing film layer to form the mid-coat film layer. If the color-providing fihn layer is the decal, then the mid-coat composition is applied over the decal
  • composition are the same as those described above with respect to the color-
  • the mid-coat composition may include only at least
  • pigmentation may be organic or inorganic.
  • Retroreflective microspheres may also be used in the mid-coat composition.
  • the mid-coat composition include some opaque pigmentation to establish unique design effects between the combination of the color-providing film layer and the mid-coat film layer.
  • the opaque pigmentation is preferred.
  • the color-providing film layer is completely cured so that
  • the mid-coat composition containing some amount of
  • opaque pigmentation can be applied to the color-providing film layer (either the
  • the masking can then be removed, and
  • composition can be cured prior to application of the clearcoat composition or the
  • mid-coat composition can remain wet, in an uncured state, and the clearcoat
  • composition can be applied wet-on-wet to the uncured mid-coat composition.
  • coat film layer depending on the final design that is desired. For example, a first
  • mid-coat film layer can be established with the primary objective of providing
  • the layer can be established on the first mid-coat film layer to add further pigmentation, to improve appearance, to add additional EL or normal phosphor,
  • the EL Even if more than one mid-coat film layer is included, the EL
  • the key is that there is at least one film layer between the color-providing
  • the at least partially-transparent clearcoat composition is applied to the
  • mid-coat film layer to form the at least partially-transparent clearcoat film layer.
  • the clearcoat film layer optimizes appearance and durability of the overall EL
  • the subject invention include, but are not limited to, solventborne and waterborne
  • the clearcoat compositions include acrylics and polyurethanes cross-linkable with melamine or isocyanate.
  • Polymers for the clearcoat composition preferably acrylics and polyurethanes cross-linkable with melamine or isocyanate.
  • cross-linkable functional group including, but not limited to, hydroxy
  • compositions suitable for use in the subject invention are based on carbonate
  • the polymer in the clearcoat composition include, but are not limited to, melamine,
  • the clearcoat composition may include additional
  • components such as ultraviolet light absorbers, hindered amine light stabilizers, surfactants, stabilizers, fillers, wetting agents, rheology control agents, dispersing
  • heat-curing is preferred.
  • heat curing is conducted by
  • the curing temperatures range from 250° F.
  • the duration of the cure may also vary depending on
  • the coating system such as the film build.
  • duration of the cure ranges from 15 to 60 minutes.
  • duration of the cure ranges from 15 to 60 minutes.
  • compositions are refmish-type compositions, which are typically highly
  • the curing temperatures range from 120 degree F to
  • composition is intended to include any composition that can modify an original
  • compositions include, without limitation, pigmented basecoat compositions
  • the tinted clearcoat composition also includes the EL phosphor.
  • the EL phosphor provides the electroluminescence for
  • the coating system on the substrate.
  • the coating system is preferably provided on a body panel of an automobile, i.e., an automotive body panel, as the
  • the coating system may be applied to other suitable substrates such as
  • coating system may alternatively be applied to other automotive body panels
  • plastic substrates such as a bumper, mirror, or internal dashboard of the automobile, aluminum substrates, and galvanized steel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

Selon l'invention, un système de revêtement électroluminescent (EL) est appliqué sur un substrat. Ce système de revêtement EL comprend une couche mince fournissant de la couleur, laquelle est appliquée sur le substrat, une couche mince intermédiaire appliquée sur la couche mince fournissant de la couleur, et une couche mince transparente appliquée sur la couche mince intermédiaire. La couche mince fournissant de la couleur comprend un luminophore EL.
PCT/US2002/039466 2002-01-09 2002-12-09 Systeme de revetement electroluminescent WO2003061351A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002466248A CA2466248A1 (fr) 2002-01-09 2002-12-09 Systeme de revetement electroluminescent
MXPA04005198A MXPA04005198A (es) 2002-01-09 2002-12-09 Sistema de recubrimiento electroluminiscente.
AU2002357136A AU2002357136A1 (en) 2002-01-09 2002-12-09 Electroluminescent coating system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US31905502P 2002-01-09 2002-01-09
US60/319,055 2002-01-09
US10/065,986 2002-12-06
US10/065,986 US20040110026A1 (en) 2002-12-06 2002-12-06 Electroluminescent coating system

Publications (1)

Publication Number Publication Date
WO2003061351A1 true WO2003061351A1 (fr) 2003-07-24

Family

ID=26746239

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/039466 WO2003061351A1 (fr) 2002-01-09 2002-12-09 Systeme de revetement electroluminescent

Country Status (4)

Country Link
AU (1) AU2002357136A1 (fr)
CA (1) CA2466248A1 (fr)
MX (1) MXPA04005198A (fr)
WO (1) WO2003061351A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2334151A1 (fr) 2009-12-10 2011-06-15 Bayer MaterialScience AG Procédé de fabrication d'un élément électroluminescent par application de pulvérisation sur des objets formés d'une manière quelconque
GB2495964A (en) * 2011-10-27 2013-05-01 Katie Louise Jones Method of illuminating a vehicle by phosphorescent paint and electroluminescent panels
US10343599B2 (en) 2017-02-10 2019-07-09 Honda Motor Co., Ltd. Vehicle assembly having luminescent feature and method
US10343600B2 (en) 2017-06-30 2019-07-09 Honda Motor Co., Ltd. Illumination of a vehicle storage compartment through electroluminescent material
US10384622B2 (en) 2017-06-30 2019-08-20 Honda Motor Co., Ltd. Illuminated vehicle emblem
US10668853B2 (en) 2017-06-30 2020-06-02 Honda Motor Co., Ltd. Interior A-pillar electroluminescent assembly of a vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9771019B2 (en) 2013-11-21 2017-09-26 Ford Global Technologies, Inc. Photoluminescent vehicle illumination

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0611040A1 (fr) * 1993-02-10 1994-08-17 The Standard Products Company Bande électroluminescente
JPH1159267A (ja) * 1997-08-12 1999-03-02 Tokai Rika Co Ltd Ｅｌ発光マーク
DE20005419U1 (de) * 1999-03-27 2000-08-31 Chrubasik, Joachim, 94155 Otterskirchen Elektrolumineszenz-Leuchtkörper

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0611040A1 (fr) * 1993-02-10 1994-08-17 The Standard Products Company Bande électroluminescente
JPH1159267A (ja) * 1997-08-12 1999-03-02 Tokai Rika Co Ltd Ｅｌ発光マーク
DE20005419U1 (de) * 1999-03-27 2000-08-31 Chrubasik, Joachim, 94155 Otterskirchen Elektrolumineszenz-Leuchtkörper

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 08 30 June 1999 (1999-06-30) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2334151A1 (fr) 2009-12-10 2011-06-15 Bayer MaterialScience AG Procédé de fabrication d'un élément électroluminescent par application de pulvérisation sur des objets formés d'une manière quelconque
GB2495964A (en) * 2011-10-27 2013-05-01 Katie Louise Jones Method of illuminating a vehicle by phosphorescent paint and electroluminescent panels
US10343599B2 (en) 2017-02-10 2019-07-09 Honda Motor Co., Ltd. Vehicle assembly having luminescent feature and method
US10343600B2 (en) 2017-06-30 2019-07-09 Honda Motor Co., Ltd. Illumination of a vehicle storage compartment through electroluminescent material
US10384622B2 (en) 2017-06-30 2019-08-20 Honda Motor Co., Ltd. Illuminated vehicle emblem
US10668853B2 (en) 2017-06-30 2020-06-02 Honda Motor Co., Ltd. Interior A-pillar electroluminescent assembly of a vehicle
US10899274B2 (en) 2017-06-30 2021-01-26 Honda Motor Co., Ltd. Illumination of a vehicle storage compartment through electroluminescent material

Also Published As

Publication number Publication date
CA2466248A1 (fr) 2003-07-24
AU2002357136A1 (en) 2003-07-30
MXPA04005198A (es) 2004-08-19

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