WO2006027578A1 - An illuminatable laminate - Google Patents

An illuminatable laminate Download PDF

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Publication number
WO2006027578A1
WO2006027578A1 PCT/GB2005/003451 GB2005003451W WO2006027578A1 WO 2006027578 A1 WO2006027578 A1 WO 2006027578A1 GB 2005003451 W GB2005003451 W GB 2005003451W WO 2006027578 A1 WO2006027578 A1 WO 2006027578A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
laminate
illuminatable
light emitting
light
Prior art date
Application number
PCT/GB2005/003451
Other languages
French (fr)
Inventor
Stephen Paul Harvey
Original Assignee
Stephen Paul Harvey
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stephen Paul Harvey filed Critical Stephen Paul Harvey
Priority to EP05782079A priority Critical patent/EP1795053A1/en
Publication of WO2006027578A1 publication Critical patent/WO2006027578A1/en
Priority to GB0706543A priority patent/GB2435754B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2661—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions
    • B60Q1/268—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions on windscreens or windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
    • B60Q1/302—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces mounted in the vicinity, e.g. in the middle, of a rear window
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/52—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating emergencies
    • 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
    • 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
    • H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass

Definitions

  • the invention relates to illuminatable laminates.
  • Prior art illuminescent and illuminatable laminates are known. Examples of such laminates can be seen in prior published patent applications; WO93/04568A1 and GB1429597A. The applicant also acknowledges the publication of prior patent document WO92/22911A1.
  • WO93/04568A1 is the closest piece of prior art to the present invention.
  • This document shows a laminate formed of at least two sheets of window glass which are held together by appropriate adhesive means and which sandwich an illuminatable laminate.
  • the illuminatable laminate of this prior art document relies essentially on the presence of zinc sulphite. Electrodes are placed to apply a charge onto the illuminatable layer. On the inside of the window, there is provided a polarisation filter over the region which is illuminated.
  • the invention provides an illuminatable laminate, comprising a first layer sufficiently transparent for viewing through the layer; a second layer sufficiently transparent for viewing through the layer; one or more regions located between the first and second layer incorporating a layer, which in use, emits light; and supply means connecting said light emitting layer with means to control the illumination of said light emitting layer; characterised in that a tinted layer is provided to substantially block the emission of light beyond the laminate in one direction.
  • This configuration is particularly advantageous for example when applied to a rear window of a motor vehicle. This would allow light to be emitted towards the outside of the vehicle
  • tinted layer would prevent a substantial portion of light entering the vehicle.
  • This configuration will allow lights to be visible from the outside of the vehicle to other road users. This configuration will therefore allow these displays to be incorporated within the geometry of the windows of a motor vehicle for example which would allow vehicles to be equipped with such systems in addition to conventional indicator and stop lights or for such a system even to replace the traditional stop and indicator lights. This would therefore amount to considerable safety improvements and even potentially reduce the vehicle body manufacturing costs.
  • said light emitting layer incorporates sufficient sodium so that, when a sufficient charge is applied to said layer, light is emitted.
  • the use of sodium is particularly advantageous as it will achieve a responsive light which is particularly well suited for incorporation into a laminate construction.
  • the illuminatable laminate comprises an adhesive and sodium mixture acting as a light emitting layer. This may reduce or remove entirely the requirement for using non-illuminatable adhesive between transparent layers. It will thus allow a simplified manufacturing process with fewer steps as would be the case had the sodium and adhesive been separate components.
  • the region is a strip spanning the width of the laminate and the supply means connects to said strips in a peripheral region of the laminate.
  • the invention provides an illuminatable laminate, comprising a layer sufficiently transparent for viewing through the layer; a second layer sufficiently transparent for viewing through the layer; one or more regions located between the first and second layer incorporating a layer which, in use, emits light; and supply means connecting said light emitting layer with means to control the illumination of the light emitting layer; characterised in that said light emitting layer incorporates sufficient sodium so that, when charged, it lights up.
  • Figure 1 shows a first embodiment of the invention in the form of a motor vehicle rear window in plan view.
  • Figure 2 shows the assembly of a tinted layer with the rear window of figure 1.
  • Figure 3 shows a cross-sectional view of the illuminatable laminate of figure 2.
  • Figure 4 shows the connectors required to link the sodium and glue mixtures to the car's electrical source.
  • Figure 5 shows the top view of soft metal connectors.
  • Figure 6 shows an alternative embodiment of a rear window laminate in plan view.
  • Figure 1 shows a rear window generally referenced 1 incorporating three illuminatable regions 2, 3 and 4.
  • regions 2 and 3 are in the form of triangular hazard indicators which would typically be of yellow /orange colour when viewed at a distance by a road user.
  • Region 4 takes the form of a bar spanning the width of the rear window in a longitudinal direction. Fine wire portions 5, 6 and 7 are provided to link the hazard warning triangles 2 and 3 to any appropriate power supply.
  • the hazard warning triangles and the bar regions incorporate, between two layers of glazed material, a sodium and glue mixture selected by the person skilled in the art to illuminate when an appropriate electrical potential is applied.
  • tinting film 8 On the outermost inside portion of the laminate a tinting film 8 is provided which may be of sufficient darkness to prevent light entering inside a motor vehicle if the illuminated laminate is employed as a rear vehicle window.
  • Arrows 9 and 10 show the assembly direction of the tinted film onto the inside of a rear window illuminated laminate.
  • Figure 3 shows the illuminatable laminate of figure 2 in cross-section.
  • a tinted film 8 is provided on the inside.
  • the next layer 11 is a layer sufficiently transparent for viewing through the layer. This maybe a sheet of glass or any other appropriate glazed material as used in motor vehicles. This may for example be of plastics transparent material. The person skilled in the art will select any appropriate material from known alternatives.
  • the next layers will be glue layers 13 followed by coloured transparent films 15 which may be selected to be of any appropriate colour such as red for a brake light and orange for a hazard warning triangle.
  • the outer layer 12 is a second sufficiently transparent layer for viewing through the layer which may be of a similar material to the inside layer 11. Between two sections of glue 13, sodium compound 14 maybe provided which would be in electrical connection with on-board vehicle powering means which are known in and of themselves.
  • Figure 4 shows electrical connectors 16 and 18 which may be used as bridges between the power supply and the sodium mix or which may attach directly to a fine wire which would be located between glazed transparent layers such as layers 11 and 12 shown in figure 3.
  • Tails 17 and 19 allows the releasable connection to on-board vehicle wiring. These use female crimps which are available from common vehicle parts stores.
  • a sodium compound 20 is shown sandwiched between transparent layers 11 and 12. Sodium compound 20 would be powered by fine wires 21.
  • FIG 5B 1 there is shown two transparent layers 11 and 12 sandwiching fine wires 23 which are connected to external fine wires 22. External fine wires 22 would themselves be connected to the on- board vehicle control mechanism which will include conventional vehicle lighting switches.
  • Figure 6 shows a laminate 31 composed of several layers of the kind described with reference to the previous figures.
  • the structure differs from the previous embodiment in that a black/blue strip is provided around the periphery of the laminate. If the laminate were used as a vehicle window this strip would be a tinted layer located to block light from the light emitter in an inside region of the laminate relative to the light emitters. This layer may not necessarily be located on the inner most portion of the laminate as it may in certain applications be preferable for it to be located within the inner transparent layer.
  • Laminate 31 incorporates peripherally located light emitting regions. Regions 24 and 25 may incorporate a coloured layer appropriate for forming brake lights whilst regions 27 and 28 may incorporate a coloured layer appropriate for forming indicator lights. Fine wires 29 and 30 may optionally link the lights across the laminate.
  • the glue required is mixed with the sodium and may also be selected to be transparent as well as to be able to conduct electricity. In addition, it is preferable for the glue to have a so called 'high flash point'.
  • the metal connections are described linking for example the control means to the sodium mixture /compounds would preferably be of soft metal so as to deform if necessary to fit between the glass layers by plastic deformation.
  • the sodium mix /compounds may be connected to either side of the triangles and /or bars and not necessarily directly to a power source connector.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Laminated Bodies (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

An illuminatable laminate comprises a first layer sufficiently transparent for viewing through the layer; a second layer sufficiently transparent for viewing through the layer; one or more regions located between the first and second layer incorporating a layer, which in use, emits light; and supply means connecting said light emitting layer with means to control the illumination of said light emitting layer; characterised in that a tinted layer is provided to substantially block the emission of light beyond the laminate in one direction.

Description

AN ILLUMINATABLE LAMINATE
Field of the Invention
The invention relates to illuminatable laminates.
Background to the Invention and prior Art known to the Applicant
It is well known in the prior art to fit brake lights in motor vehicles around the rear window, usually either within a spoiler or within a body panel. These lights are usually either an array of LED's (light emitting diodes) or conventional filament bulbs respectively located in a replaceable housing. These lights are usually separate from the window itself and therefore occupy considerable amounts of space about either the periphery of the window or within the car body. If these are placed within the periphery of the window an inner shield is usually required which is typically made out of dark plastics material which prevents the passage of light and simultaneously prevents a passenger of the vehicle to view the outside through the light region of the rear windscreen.
Prior art illuminescent and illuminatable laminates are known. Examples of such laminates can be seen in prior published patent applications; WO93/04568A1 and GB1429597A. The applicant also acknowledges the publication of prior patent document WO92/22911A1. Of these three prior art documents, WO93/04568A1 is the closest piece of prior art to the present invention. This document shows a laminate formed of at least two sheets of window glass which are held together by appropriate adhesive means and which sandwich an illuminatable laminate. The illuminatable laminate of this prior art document relies essentially on the presence of zinc sulphite. Electrodes are placed to apply a charge onto the illuminatable layer. On the inside of the window, there is provided a polarisation filter over the region which is illuminated.
Summary of the Invention
In a first broad independent aspect, the invention provides an illuminatable laminate, comprising a first layer sufficiently transparent for viewing through the layer; a second layer sufficiently transparent for viewing through the layer; one or more regions located between the first and second layer incorporating a layer, which in use, emits light; and supply means connecting said light emitting layer with means to control the illumination of said light emitting layer; characterised in that a tinted layer is provided to substantially block the emission of light beyond the laminate in one direction.
This configuration is particularly advantageous for example when applied to a rear window of a motor vehicle. This would allow light to be emitted towards the outside of the vehicle
, whilst the tinted layer would prevent a substantial portion of light entering the vehicle.
This configuration will allow lights to be visible from the outside of the vehicle to other road users. This configuration will therefore allow these displays to be incorporated within the geometry of the windows of a motor vehicle for example which would allow vehicles to be equipped with such systems in addition to conventional indicator and stop lights or for such a system even to replace the traditional stop and indicator lights. This would therefore amount to considerable safety improvements and even potentially reduce the vehicle body manufacturing costs.
In a subsidiary aspect in accordance with the invention's first broad aspect, said light emitting layer incorporates sufficient sodium so that, when a sufficient charge is applied to said layer, light is emitted. The use of sodium is particularly advantageous as it will achieve a responsive light which is particularly well suited for incorporation into a laminate construction.
In a further subsidiary aspect, the illuminatable laminate comprises an adhesive and sodium mixture acting as a light emitting layer. This may reduce or remove entirely the requirement for using non-illuminatable adhesive between transparent layers. It will thus allow a simplified manufacturing process with fewer steps as would be the case had the sodium and adhesive been separate components.
In a further subsidiary aspect, the region is a strip spanning the width of the laminate and the supply means connects to said strips in a peripheral region of the laminate. This marks a complete departure from the prior art teaching of incorporating lighting means necessarily about or outside of the periphery of windows. It also reduces the likelihood of electrical connections being visible through the window.
In a second broad independent aspect, the invention provides an illuminatable laminate, comprising a layer sufficiently transparent for viewing through the layer; a second layer sufficiently transparent for viewing through the layer; one or more regions located between the first and second layer incorporating a layer which, in use, emits light; and supply means connecting said light emitting layer with means to control the illumination of the light emitting layer; characterised in that said light emitting layer incorporates sufficient sodium so that, when charged, it lights up.
The use of sodium in such a configuration will achieve a particularly compact laminate with responsive illumination properties. This configuration will also allow the illuminated regions to be of relatively complex shapes such as a triangular warning sign, a word such as 'Police' and /or brake/indicator lights of non-conventional shapes with pronounced curves.
Brief Description of the Figures
Figure 1 shows a first embodiment of the invention in the form of a motor vehicle rear window in plan view.
Figure 2 shows the assembly of a tinted layer with the rear window of figure 1. Figure 3 shows a cross-sectional view of the illuminatable laminate of figure 2.
Figure 4 shows the connectors required to link the sodium and glue mixtures to the car's electrical source.
Figure 5 shows the top view of soft metal connectors.
Figure 6 shows an alternative embodiment of a rear window laminate in plan view.
Detailed Description of the Figures
Figure 1 shows a rear window generally referenced 1 incorporating three illuminatable regions 2, 3 and 4. In this configuration, regions 2 and 3 are in the form of triangular hazard indicators which would typically be of yellow /orange colour when viewed at a distance by a road user. Region 4 takes the form of a bar spanning the width of the rear window in a longitudinal direction. Fine wire portions 5, 6 and 7 are provided to link the hazard warning triangles 2 and 3 to any appropriate power supply. The hazard warning triangles and the bar regions incorporate, between two layers of glazed material, a sodium and glue mixture selected by the person skilled in the art to illuminate when an appropriate electrical potential is applied.
In figure 2, identical numerical references to those used in figure 1 have been employed for clarity. On the outermost inside portion of the laminate a tinting film 8 is provided which may be of sufficient darkness to prevent light entering inside a motor vehicle if the illuminated laminate is employed as a rear vehicle window.
Arrows 9 and 10 show the assembly direction of the tinted film onto the inside of a rear window illuminated laminate.
Figure 3 shows the illuminatable laminate of figure 2 in cross-section. When used for a vehicle window, a tinted film 8 is provided on the inside. The next layer 11 is a layer sufficiently transparent for viewing through the layer. This maybe a sheet of glass or any other appropriate glazed material as used in motor vehicles. This may for example be of plastics transparent material. The person skilled in the art will select any appropriate material from known alternatives. The next layers will be glue layers 13 followed by coloured transparent films 15 which may be selected to be of any appropriate colour such as red for a brake light and orange for a hazard warning triangle. The outer layer 12 is a second sufficiently transparent layer for viewing through the layer which may be of a similar material to the inside layer 11. Between two sections of glue 13, sodium compound 14 maybe provided which would be in electrical connection with on-board vehicle powering means which are known in and of themselves.
Figure 4 shows electrical connectors 16 and 18 which may be used as bridges between the power supply and the sodium mix or which may attach directly to a fine wire which would be located between glazed transparent layers such as layers 11 and 12 shown in figure 3. Tails 17 and 19 allows the releasable connection to on-board vehicle wiring. These use female crimps which are available from common vehicle parts stores.
In figure 5A, a sodium compound 20 is shown sandwiched between transparent layers 11 and 12. Sodium compound 20 would be powered by fine wires 21. In figure 5B1 there is shown two transparent layers 11 and 12 sandwiching fine wires 23 which are connected to external fine wires 22. External fine wires 22 would themselves be connected to the on- board vehicle control mechanism which will include conventional vehicle lighting switches.
Figure 6 shows a laminate 31 composed of several layers of the kind described with reference to the previous figures. The structure differs from the previous embodiment in that a black/blue strip is provided around the periphery of the laminate. If the laminate were used as a vehicle window this strip would be a tinted layer located to block light from the light emitter in an inside region of the laminate relative to the light emitters. This layer may not necessarily be located on the inner most portion of the laminate as it may in certain applications be preferable for it to be located within the inner transparent layer.
Laminate 31 incorporates peripherally located light emitting regions. Regions 24 and 25 may incorporate a coloured layer appropriate for forming brake lights whilst regions 27 and 28 may incorporate a coloured layer appropriate for forming indicator lights. Fine wires 29 and 30 may optionally link the lights across the laminate. In a preferred embodiment, the glue required is mixed with the sodium and may also be selected to be transparent as well as to be able to conduct electricity. In addition, it is preferable for the glue to have a so called 'high flash point'.
The metal connections are described linking for example the control means to the sodium mixture /compounds would preferably be of soft metal so as to deform if necessary to fit between the glass layers by plastic deformation.
In the embodiment where there are provided hazard warning triangles and/or two solid bars, the sodium mix /compounds may be connected to either side of the triangles and /or bars and not necessarily directly to a power source connector.

Claims

Claims
1. An illuminatable laminate, comprising a first layer sufficiently transparent for viewing through the layer; a second layer sufficiently transparent for viewing through the layer; one or more regions located between the first and second layer incorporating a layer, which in use, emits light; and supply means connecting said light emitting layer with means to control the illumination of said light emitting layer; characterised in that a tinted layer is provided to substantially block the emission of light beyond the laminate in one direction.
2. An illuminatable laminate according to claim 1, wherein said light emitting layer incorporates sufficient sodium so that, when a sufficient charge is applied to said layer, light is emitted.
3. An illuminatable laminate according to either of the preceding claims, further comprising an adhesive and sodium mixture acting as a light emitting layer.
4. An illuminatable laminate according to any of the preceding claims, wherein the region is a strip spanning the width of the laminate and the supply means connects to said strip in a peripheral region of the laminate.
5. An illuminatable laminate, comprising a first layer sufficiently transparent for viewing through the layer; a second layer sufficiently transparent for viewing through the layer; one or more regions located between the first and second layer incorporating a layer which, in use, emits light; and supply means connecting said light emitting layer with means to control the illumination of the light emitting layer; characterised in that said light emitting layer incorporates sufficient sodium so that, when charged, it lights up. An illuminatable .laminate substantially as herein before described in any appropriate combination of the accompanying text and /or figures.
PCT/GB2005/003451 2004-09-09 2005-09-08 An illuminatable laminate WO2006027578A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05782079A EP1795053A1 (en) 2004-09-09 2005-09-08 An illuminatable laminate
GB0706543A GB2435754B (en) 2004-09-09 2007-04-04 An illuminatable laminate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0419982.4 2004-09-09
GB0419982A GB2418064A (en) 2004-09-09 2004-09-09 Vehicle brake and hazard lights

Publications (1)

Publication Number Publication Date
WO2006027578A1 true WO2006027578A1 (en) 2006-03-16

Family

ID=33186701

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2005/003451 WO2006027578A1 (en) 2004-09-09 2005-09-08 An illuminatable laminate

Country Status (3)

Country Link
EP (1) EP1795053A1 (en)
GB (2) GB2418064A (en)
WO (1) WO2006027578A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993004568A1 (en) * 1991-08-21 1993-03-04 Robert Bosch Gmbh Electroluminescent display
JPH1050480A (en) * 1996-04-24 1998-02-20 Toray Ind Inc Light-emitting element and manufacture thereof
WO2004017434A2 (en) * 2002-08-06 2004-02-26 E.I. Du Pont De Nemours And Company Laminated polymer with integrated lighting, sensors and electronics
US20040057241A1 (en) * 2002-08-28 2004-03-25 Yung-Fa Lin Safety warning and winker light for vehicle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1429597A (en) * 1975-07-21 1976-03-24 Okikiolu G O Transparent luminescent materials for screens and lenses
US4769292A (en) * 1987-03-02 1988-09-06 Eastman Kodak Company Electroluminescent device with modified thin film luminescent zone
WO1992022911A1 (en) * 1991-06-12 1992-12-23 Uniax Corporation Processible forms of electrically conductive polyaniline and conductive products formed therefrom

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993004568A1 (en) * 1991-08-21 1993-03-04 Robert Bosch Gmbh Electroluminescent display
JPH1050480A (en) * 1996-04-24 1998-02-20 Toray Ind Inc Light-emitting element and manufacture thereof
WO2004017434A2 (en) * 2002-08-06 2004-02-26 E.I. Du Pont De Nemours And Company Laminated polymer with integrated lighting, sensors and electronics
US20040057241A1 (en) * 2002-08-28 2004-03-25 Yung-Fa Lin Safety warning and winker light for vehicle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 06 30 April 1998 (1998-04-30) *

Also Published As

Publication number Publication date
GB0419982D0 (en) 2004-10-13
GB2435754B (en) 2009-08-05
EP1795053A1 (en) 2007-06-13
GB2435754A (en) 2007-09-05
GB0706543D0 (en) 2007-05-09
GB2418064A (en) 2006-03-15

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