Indian Patents. 223938:"A METHOD FOR FORMING AN OLED DEVICE AND DEVICE THEREOF"

Title of Invention	"A METHOD FOR FORMING AN OLED DEVICE AND DEVICE THEREOF"
Abstract	A method for forming an OLED device, characterized by the steps of: providing a first electrode and a second electrode defining a gap there between; disposing within the gap field reactive OLED particulate randomly dispersed within a fluid carrier.

Full Text	The present invention relates to a method for forming an oled device and device thereof. BACKGROUND OF THE INVENTION: The present invention pertains to organic and inorganic light active devices, and hybrids thereof, and methods of making the same. More particularly, the present invention pertains to devices and methods for fabricating light active devices that can be' used for applications such as general lighting, display backlighting, video displays, Internet appliances, electronic books, digital newspapers and maps, stereoscopic vision aides, head mounted displays, advanced vehicle windshields, solar cells, cameras and photodetectors. A multi-color single layer light active device is disclosed. Also disclosed is a sequential burst driving scheme for a multi-color single layer display. Further disclosed are methods for making light active material particulate, as well as an organic light active fiber. Still further disclosed are methods for fabricating injection and other plastic molded organic light active devices. Further still there are disclosed compositions for light active material. A polymer is made up of organic molecules bonded together. For a polymer to be electrically conductive it must act like a metal with the electrons in the bonds mobile and not bound to the atoms making up the organic molecules. A conductive polymer must have alternate single and double bonds, termed conjugated double bonds. Polyacetylene is a simple conjugated polymer. It is made by the polymerization of acetylene. In the early 1970's, a researcher named Shirakawa was studying the polymerization of acetylene. When too much catalyst was added, the mixture seemed to have a metallic appearance. But unlike metals, the resulting polyacetylene film was not an electrical conductor. In the mid-1970's this material was reacted with iodine vapor. The result was an extreme WE CLAIM: 1. A method for forming an OLED device, characterized by the steps of: providing a first electrode and a second electrode defining a gap there between; disposing within the gap field reactive OLED particulate randomly dispersed within a fluid carrier. 2. A method for forming an OLED device according to claim 1, comprising the step of applying an aligning field between the first electrode and the second electrode to form a desired orientation of the field reactive OLED particulate within the fluid carrier between the first electrode and the second electrode. 3. A method for forming an OLED device as claimed in claim 1, wherein the carrier comprises a hardenable material; and further comprising the steps of curing the carrier to form a hardened carrier for maintaining the desired orientation of the field reactive OLED particulate within the hardened carrier. 4. A method for forming an OLED device as claimed in claim 1, wherein the OLED particulate is formed by the steps of providing a first particle comprised of a hole transport material having a net first electrical charge and providing a second particle comprised of an electron transport material having a net second electrical charge, the first electrical charge being opposite polarity from the second electrical charge; bringing the first particle and the second particle together to font a unified OLED particulate having a hole transport layer and an electron transport layer forming a heterojunction between them. 5. A method for forming an OLED device as claimed in claim 4, wherein the first particle further includes at least one of an emissive or receptive photon-active layer. 6. A method for forming an OLED device as claimed in claim 1, wherein the OLED particulate is formed by microencapsulating an internal phase within a shell, at least one of the internal phase and the shell including an OLED material and at least one of the internal phase and the shell including a field reactive material comprising at least one of an electrostatic material and a magnetically reactive material. 7. A method for forming an OLED device as claimed in claim 1, wherein the OLED particulate is formed by microencapsulating an internal phase within a shell, the internal phase comprising at least one of an OLED emitter material and an OLED hole transport material in a solution. 8. A method for forming an OLED device as claimed in claim 1, wherein at least one of the internal phase and the shell includes a field reactive component. 9. A method for forming an OLED device as claimed in claim 1, wherein at least one of the first electrode and the second electrode comprises an electrode grid for forming OLED pixels between the first electrode and the second electrode. 10. A method for forming an OLED device as claimed in claim 1, wherein the first electrode and the second electrode comprise sheet electrodes so as to form a general lighting OLED device. 11. A method for forming an OLED light device as claimed in claim 20, wherein the device is a light emissive device, wherein the first electrode is a bottom electrode and the second electrode is a top electrode; and including applying an aligning field between the top electrode and the bottom electrode to form a desired orientation of the field reactive OLED particulate within the fluid carrier between the top electrode and the bottom electrode. 12. A method for forming an OLED light emissive device as claimed in claim 11, wherein the carrier comprises a hardenable material; and further comprising the steps of curing the carrier to form a hardened carrier for maintaining the desired orientation of the field reactive OLED particulate within the hardened carrier. 13. A method for forming an OLED lighemissive device as claimed in claim 11, wherein the OLED particulate comprises a dielectric OLED microcapsule. 14. An OLED device, characterized by: a first electrode; a second electrode disposed adjacent to the first electrode and defining a gap there between; an OLED particulate; and a carrier material disposed within said gap and containing said OLED particulate. 15. An OLED device as claimed in claim 14, wherein the OLED particulate comprises organic-layered particles; each organic-layered particle including a hole transport layer and an electron emitter layer having a hetero-junction there between. 16. An OLED device as claimed in claim 15, wherein each organic-layered particle further includes at least one of a blocking layer and an emissive layer. 17. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules, each microcapsule including an internal phase and a shell, at least one of the internal phase and the shell including an OLED material and at least one of the internal phase and the shell including a field reactive material comprising at least one of an electrostatic material and a magnetically reactive material. 18. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules, each microcapsule including an internal phase and a shell, at least one of the internal phase and the shell including an OLED material, and at least one of the internal phase and the shell including a composition that causes the microcapsule to rupture if electrical energy above a threshold is applied to the microcapsule. 19. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules, each microcapsule including an internal phase and a shell, at least one of the internal phase and the shell including an OLED material, and at least one of the internal phase and the shell including a composition effective to provide a barrier against degradation of the OLED material. 20. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules having constituent parts including at least one of hole transport material, electron transport material, field reactive material, solvent material, color material, shell forming material, barrier material, desiccant material, and heat meltable material, the constituent parts forming at least one internal phase and at least one shell, the constituent parts having electrical characteristics that result in a preferred path of electrical conduction through the hole transport material and the electron transport material so that the microcapsule behaves as a pn junction upon application of an electrical potential to the first electrode and the second electrode. 21. An OLED device as claimed in claim 14, wherein the carrier material is relatively less electrically conductive than the OLED particulate so that the OLED particulate offers a path of less electrical resistance than the carrier material. 22. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules, each microcapsule including an internal phase and shell, the internal phase including an OLED material, and wherein the shell is relatively less electrically conductive than the OLED material so that the OLED particulate offers a path of less electrical resistance than the shell. 23. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules, each microcapsule including an internal phase and shell, the shell including an OLED component material being one of a hole transport material and an electron transport material, and the internal phase comprising an OLED component material being the other of a hole transport material and an electron transport material. 24. An OLED device as claimed in claim 14, wherein the carrier material has optical properties so that during the use of the OLED device the carrier material is one of transparent, diffusive, absorptive, and reflective to light energy. 25. An OLED device as claimed in claim 14, wherein material characteristics of the OLED particulate includes at least one of a magneto-rheological characteristic and an electro-rheological characteristic for causing the OLED particulate to orient in an applied electrical field. 26. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules , each microcapsule including an internal phase comprised of OLED material and magnetically reactive material disposed within a first shell; an electrolyte and curable material; and a second shell encapsulating the first shell, the electrolyte and the curable material, wherein response to an applied magnetic field, the position of the first shell is changeable relative to the second shell, and upon curing of the curable material, the position of the first shell relative to the second shell is locked in place.

Full Text

The present invention relates to a method for forming an oled device and device thereof.
BACKGROUND OF THE INVENTION:
The present invention pertains to organic and inorganic light active devices, and hybrids thereof, and methods of making the same. More particularly, the present invention pertains to devices and methods for fabricating light active devices that can be' used for applications such as general lighting, display backlighting, video displays, Internet appliances, electronic books, digital newspapers and maps, stereoscopic vision aides, head mounted displays, advanced vehicle windshields, solar cells, cameras and photodetectors. A multi-color single layer light active device is disclosed. Also disclosed is a sequential burst driving scheme for a multi-color single layer display. Further disclosed are methods for making light active material particulate, as well as an organic light active fiber. Still further disclosed are methods for fabricating injection and other plastic molded organic light active devices. Further still there are disclosed compositions for light active material.
A polymer is made up of organic molecules bonded together. For a polymer to be electrically conductive it must act like a metal with the electrons in the bonds mobile and not bound to the atoms making up the organic molecules. A conductive polymer must have alternate single and double bonds, termed conjugated double bonds. Polyacetylene is a simple conjugated polymer. It is made by the polymerization of acetylene. In the early 1970's, a researcher named Shirakawa was studying the polymerization of acetylene. When too much catalyst was added, the mixture seemed to have a metallic appearance. But unlike metals, the resulting polyacetylene film was not an electrical conductor. In the mid-1970's this material was reacted with iodine vapor. The result was an extreme

WE CLAIM:
1. A method for forming an OLED device, characterized by the steps of: providing a first electrode and a second electrode defining a gap there between; disposing within the gap field reactive OLED particulate randomly dispersed within a fluid carrier.
2. A method for forming an OLED device according to claim 1, comprising the step of applying an aligning field between the first electrode and the second electrode to form a desired orientation of the field reactive OLED particulate within the fluid carrier between the first electrode and the second electrode.
3. A method for forming an OLED device as claimed in claim 1, wherein the carrier comprises a hardenable material; and further comprising the steps of curing the carrier to form a hardened carrier for maintaining the desired orientation of the field reactive OLED particulate within the hardened carrier.
4. A method for forming an OLED device as claimed in claim 1, wherein the OLED particulate is formed by the steps of providing a first particle comprised of a hole transport material having a net first electrical charge and providing a second particle comprised of an electron transport material having a net second electrical charge, the first electrical charge being opposite polarity from the second electrical charge; bringing the first particle and the second particle together to font a unified OLED particulate having a hole transport layer and an electron transport layer forming a heterojunction between them.
5. A method for forming an OLED device as claimed in claim 4, wherein the first particle further includes at least one of an emissive or receptive photon-active layer.
6. A method for forming an OLED device as claimed in claim 1, wherein the OLED particulate is formed by microencapsulating an internal phase within a shell, at least one of the internal phase and the shell including an OLED material and at least one of the internal phase and the shell including a field reactive material comprising at least one of an electrostatic material and a magnetically reactive material.
7. A method for forming an OLED device as claimed in claim 1, wherein the OLED particulate is formed by microencapsulating an internal phase within a shell, the internal phase comprising at least one of an OLED emitter material and an OLED hole transport material in a solution.
8. A method for forming an OLED device as claimed in claim 1, wherein at least one of the internal phase and the shell includes a field reactive component.
9. A method for forming an OLED device as claimed in claim 1, wherein at least one of the first electrode and the second electrode comprises an electrode grid for forming OLED pixels between the first electrode and the second electrode.
10. A method for forming an OLED device as claimed in claim 1, wherein the first electrode and the second electrode comprise sheet electrodes so as to form a general lighting OLED device.
11. A method for forming an OLED light device as claimed in claim 20, wherein the device is a light emissive device, wherein the first electrode is a
bottom electrode and the second electrode is a top electrode; and including applying an aligning field between the top electrode and the bottom electrode to form a desired orientation of the field reactive OLED particulate within the fluid carrier between the top electrode and the bottom electrode.
12. A method for forming an OLED light emissive device as claimed in claim 11, wherein the carrier comprises a hardenable material; and further comprising the steps of curing the carrier to form a hardened carrier for maintaining the desired orientation of the field reactive OLED particulate within the hardened carrier.
13. A method for forming an OLED lighemissive device as claimed in claim 11, wherein the OLED particulate comprises a dielectric OLED microcapsule.
14. An OLED device, characterized by: a first electrode; a second electrode disposed adjacent to the first electrode and defining a gap there between; an OLED particulate; and a carrier material disposed within said gap and containing said OLED particulate.
15. An OLED device as claimed in claim 14, wherein the OLED particulate comprises organic-layered particles; each organic-layered particle including a hole transport layer and an electron emitter layer having a hetero-junction there between.
16. An OLED device as claimed in claim 15, wherein each organic-layered particle further includes at least one of a blocking layer and an emissive layer.
17. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules, each microcapsule including an internal phase and a

shell, at least one of the internal phase and the shell including an OLED material and at least one of the internal phase and the shell including a field reactive material comprising at least one of an electrostatic material and a magnetically reactive material.
18. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules, each microcapsule including an internal phase and a shell, at least one of the internal phase and the shell including an OLED material, and at least one of the internal phase and the shell including a composition that causes the microcapsule to rupture if electrical energy above a threshold is applied to the microcapsule.
19. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules, each microcapsule including an internal phase and a shell, at least one of the internal phase and the shell including an OLED material, and at least one of the internal phase and the shell including a composition effective to provide a barrier against degradation of the OLED material.
20. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules having constituent parts including at least one of hole transport material, electron transport material, field reactive material, solvent material, color material, shell forming material, barrier material, desiccant material, and heat meltable material, the constituent parts forming at least one internal phase and at least one shell, the constituent parts having electrical characteristics that result in a preferred path of electrical conduction through the hole transport material and the electron transport material so that the microcapsule behaves as a pn junction upon application of an electrical potential to the first electrode and the second electrode.

21. An OLED device as claimed in claim 14, wherein the carrier material is relatively less electrically conductive than the OLED particulate so that the OLED particulate offers a path of less electrical resistance than the carrier material.
22. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules, each microcapsule including an internal phase and shell, the internal phase including an OLED material, and wherein the shell is relatively less electrically conductive than the OLED material so that the OLED particulate offers a path of less electrical resistance than the shell.
23. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules, each microcapsule including an internal phase and shell, the shell including an OLED component material being one of a hole transport material and an electron transport material, and the internal phase comprising an OLED component material being the other of a hole transport material and an electron transport material.
24. An OLED device as claimed in claim 14, wherein the carrier material has optical properties so that during the use of the OLED device the carrier material is one of transparent, diffusive, absorptive, and reflective to light energy.
25. An OLED device as claimed in claim 14, wherein material characteristics of the OLED particulate includes at least one of a magneto-rheological characteristic and an electro-rheological characteristic for causing the OLED particulate to orient in an applied electrical field.

26. An OLED device as claimed in claim 14, wherein the OLED particulate comprises microcapsules , each microcapsule including an internal phase comprised of OLED material and magnetically reactive material disposed within a first shell; an electrolyte and curable material; and a second shell encapsulating the first shell, the electrolyte and the curable material, wherein response to an applied magnetic field, the position of the first shell is changeable relative to the second shell, and upon curing of the curable material, the position of the first shell relative to the second shell is locked in place.

Documents:

2133-DELNP-2005-Abstract-(12-09-2008).pdf

2133-DELNP-2005-Claims-(12-09-2008).pdf

2133-DELNP-2005-Claims-(19-09-2008).pdf

2133-DELNP-2005-Correspondence-Others-(12-09-2008).pdf

2133-DELNP-2005-Description (Complete)-(12-09-2008).pdf

2133-DELNP-2005-Form-1-(12-09-2008).pdf

2133-DELNP-2005-Form-2-(12-09-2008).pdf

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Patent Number

223938

Indian Patent Application Number

2133/DELNP/2005

PG Journal Number

42/2008

Publication Date

17-Oct-2008

Grant Date

24-Sep-2008

Date of Filing

19-May-2005

Name of Patentee

JOHN DANIELS

Applicant Address

511 FOOT HILLS ROAD, HIGGANUM, CONNECTICUT 06441, UNITED STATES OF AMERICA.

Inventors:

#	Inventor's Name	Inventor's Address
1	JOHN DANIELS	511, FOOT HILLS ROAD, HIGGANUM, CONNECTICUT 06441, USA

PCT International Classification Number

H01J1/62

PCT International Application Number

PCT/US2003/037040

PCT International Filing date

2003-11-17

PCT Conventions:

#	PCT Application Number	Date of Convention	Priority Country
1	10/375,728	2003-02-26	U.S.A.
2	60/427,333	2002-11-19	U.S.A.
3	10/321,161	2002-12-17	U.S.A.
4	60/469,667	2003-05-12	U.S.A.