Illuminated display system and process

• US 6,811,895 B2
• Filed: 03/22/2002
• Issued: 11/02/2004
• Est. Priority Date: 03/22/2001
• Status: Expired due to Term

• Current Assignee: Lumimove, Inc.
• Original Assignee: Lumimove, Inc.
• Inventors: Kinlen, Patrick J., Murasko, Matthew
• Primary Examiner(s): Vo, Tuyet
• Assistant Examiner(s): A, MINH D
• Application Number:
  US10/104,161
• Publication Number:
  US 20020155214A1
• Time in Patent Office: 956 Days
• Field of Search: 427/66, 427/306, 427/412, 427/486, 315/169.1, 315/169.3, 315/169.4, 315/169.2, 313/503, 313/506, 313/509, 313/510, 313/511, 428/34.5, 428/35.8, 428/690, 428/917, 428/36.2
• US Class Current: 428/690
• CPC Class Codes: G09F 13/22 electroluminescent electroluminescent light sources per se H05B33/00
• CPC Class Codes: G09F 21/02 by a carrier person or animal
• CPC Class Codes: H05B 33/22 characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• CPC Class Codes: Y10S 428/917 Electroluminescent
• CPC Class Codes: Y10T 428/29 Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof

Abstract

An illuminated display integrated with a fabric substrate, comprising a rear electrode formed on a portion of a front surface of the fabric substrate, the rear electrode being formed on the fabric substrate portion by applying a catalyst to the fabric portion and subsequently immersing the fabric portion in an electroless plating bath followed by immersing the fabric portion in an electrode bath, a dielectric layer formed onto the fabric substrate surface substantially over the rear electrode, a light emmitting layer formed onto the dielectric layer, a transparent conductive layer formed onto the light emitting layer; and a front electrode lead electrically connected to the transparent conductive layer to transport energy thereto.

Claims

1. A method for forming an integrated illuminated display and substrate section, comprising:

forming a conductive polymer rear electrode layer onto the substrate section;

forming a dielectric layer onto the conductive polymer rear electrode layer;

forming a light emitting layer onto the dielectric layer;

forming a front conductive polymer layer onto the light emitting layer; and

connecting a front electrode lead to the transparent conductive polymer layer.

2. The method of claim 1, further comprising:

attaching the substrate section to a substantially rigid backing using an adhesive prior to the forming of the conductive polymer rear electrode layer onto the substrate section; and

detaching the substrate section from the substantially rigid backing subsequent to the forming of the front conductive polymer layer onto the light emitting layer.

3. The method of claim 1, further comprising forming the front electrode lead onto either the substrate section or at least one layer selected from the group consisting of the dielectric layer and the front conductive polymer layer, to substantially surround a perimeter of the front conductive polymer layer.

4. The method of claim 1, further comprising electrically connecting a first conductive pad to the front electrode lead and electrically connecting a second conductive pad to the conductive polymer rear electrode layer to provide electrical contacts for a power source.

5. The method of claim 1, wherein:

the step of forming a conductive polymer rear electrode layer comprises printing a conductive polymer rear electrode layer onto the substrate section;

the step of forming a dielectric layer comprises printing a dielectric layer onto the conductive polymer rear electrode layer;

the step of forming a light emitting layer comprises printing a light emitting layer onto the dielectric layer; and

the step of forming a front conductive polymer layer comprises printing a front conductive polymer layer onto the light emitting layer.

6. The method of claim 1, wherein the substrate section is a textile section.

7. The method of claim 6, wherein the textile section is made from materials comprising at least one material selected from the group consisting of cotton, polyester, nylon, and high-density polyethylene.

8. The method of claim 1, wherein the step of forming a light emitting layer comprises forming a phosphor layer onto the dielectric layer.

9. The method of claim 1, wherein the step of forming a light emitting layer comprises forming a light emitting polymer layer onto the dielectric layer.

10. The method of claim 1, wherein the conductive polymer is polyethylene-dioxithiophene.

11. The method of claim 1, wherein the front conductive polymer layer is transparent.

12. A method for forming an integrated illuminated display and substrate, comprising:

attaching a substrate section to a substantially rigid backing using an adhesive;

forming a rear electrode layer onto the substrate section;

forming a dielectric layer onto the rear electrode layer;

forming a light emitting layer onto the dielectric layer;

forming a front conductive layer onto the light emitting layer;

connecting a front electrode lead to the transparent front electrode layer to transport energy to the transparent electrode layer; and

detaching the substrate section from the substantially rigid backing.

13. The method of claim 12, wherein the rear electrode layer, the front conductive layer, and the front electrode lead are comprised of conductive polymer.

14. The method of claim 13, wherein the conductive polymer is polyethylene-dioxithiophene.

15. The method of claim 12, further comprising forming the front electrode lead onto either the substrate section or at least one layer selected from the group consisting of the dielectric layer and the front conductive layer, to substantially surround a perimeter of the front conductive layer.

16. A method for forming an integrated illuminated display and substrate section, comprising:

forming a conductive polymer rear electrode layer onto the substrate section;

forming a dielectric layer onto the conductive polymer rear electrode layer;

forming a light emitting layer onto the dielectric layer;

forming a front conductive polymer layer onto the light emitting layer; and

connecting a front electrode lead to the transparent conductive polymer layer,

attaching the substrate section to a substantially rigid backing using an adhesive prior to the forming of the conductive polymer rear electrode layer onto the substrate section; and

detaching the substrate section from the substantially rigid backing subsequent to the forming of the front conductive polymer layer onto the light emitting layer.

17. A method for forming an electrode layer onto fabric substrate comprising:

forming the image on a transparency;

burning the image on the transparency into a photographic emulsion;

placing said image over a fabric substrate to define a display area wherein the step of placing said image over the fabric substrate comprises placing a screen printing device with the photographic emulsion over said fabric substrate to define the display area;

applying a catalyst to the display area;

immersing the fabric substrate with the display area in an electroless plating bath; and

immersing the fabric substrate with the display area of the fabric substrate.

18.The method of claim 17, wherein the step of immersing the fabric substrate with area in a conductor bath comprises immersing the fabric substrate with display area in a conductor bath selected form the group consisting of a copper or nickel bath.

18. The method of claim 17, wherein the fabric substrate is made from materials comprising at least one material selected from the group consisting of cotton, polyester, nylon, and high-density polyethylene.

19. A method for forming an integrated illuminated display and substrate section comprising:

forming a conductive polymer rear electrode layer onto the substrate section;

forming a dielectric layer onto the conductive polymer rear electrode layer;

forming a light emitting layer onto the dielectric layer;

forming a front conductive polymer layer onto the light emitting layer;

connecting a front electrode lead to the transparent conductive polymer layer; and

attaching the substrate section to a substantially rigid backing using an adhesive prior to the forming of the conductive polymer rear electrode layer onto the substrate section; and

detaching the substrate section from the substantially rigid backing subsequent to the forming of the front conductive polymer layer onto the light emitting layer.

20. The method of claim 20, further comprising forming the front electrode lead onto the either the substrate section or at least one layer selected from the group consisting of the dielectric layer and the front conductive polymer layer, to substantially surround a perimeter of the front conductive polymer layer.

21. The method of claim 20, further comprising electrically connecting a first conductive pad to the front electrode lead and electrically connecting a second conductive pad to the conductive polymer rear electrode layer to provide electrical contacts for a power source.

22. The method of claim 20, wherein:

the step of forming a conductive polymer rear electrode layer comprises printing a conductive polymer rear electrode layer onto the substrate section;

the step of forming a dielectric layer comprises printing a dielectric layer onto the conductive polymer rear electrode layer;

the step of forming a light emitting layer comprises printing a light emitting layer onto the dielectric layer; and

the step of forming a front conductive polymer layer comprises printing a front conductive polymer layer onto the light emitting layer.

23. The method of claim 20, wherein the substrate section is a textile section.

25. The method of claim 20, wherein the step of forming a light emitting layer comprises forming a phosphor layer onto the dielectric layer.

26. The method of claim 20, wherein the step of forming a light emitting layer comprises forming a light emitting polymer layer onto the dielectric layer.

27. The method of claim 20, wherein the conductive polymer is polyethylene-dioxithiophene.

28. The method of claim 20, wherein the front conductive polymer layer is transparent.

24. The method of claim 24, wherein the textiles section is made from materials comprising at least one material selected from the group consisting of cotton, polyester, nylon, and high-density polyethylene.