WO2005000942A1 - 青色発光ポリマー、その製造方法およびそれを利用した発光素子 - Google Patents
青色発光ポリマー、その製造方法およびそれを利用した発光素子 Download PDFInfo
- Publication number
- WO2005000942A1 WO2005000942A1 PCT/JP2004/008872 JP2004008872W WO2005000942A1 WO 2005000942 A1 WO2005000942 A1 WO 2005000942A1 JP 2004008872 W JP2004008872 W JP 2004008872W WO 2005000942 A1 WO2005000942 A1 WO 2005000942A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- formula
- group
- carbon atoms
- light emitting
- light
- Prior art date
Links
Classifications
-
- 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
- H10K85/10—Organic polymers or oligomers
- H10K85/151—Copolymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/08—Polyhydrazides; Polytriazoles; Polyaminotriazoles; Polyoxadiazoles
-
- 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
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1441—Heterocyclic
- C09K2211/1475—Heterocyclic containing nitrogen and oxygen as heteroatoms
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- 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
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
- H10K85/115—Polyfluorene; Derivatives thereof
Definitions
- the present invention relates to a blue light emitting polymer, a method for producing the same and a light emitting device using the same.
- the present invention relates to a blue light-emitting polymer, a method for producing the same, and a light-emitting device using the same, and more particularly, to a blue light-emitting device capable of emitting blue light with high luminance and a long light-emitting time when energy is applied.
- the present invention relates to a light emitting polymer, a method for producing the same, and a light emitting device using the same.
- organic light-emitting devices also referred to as organic EL devices.
- an organic light-emitting device using a low-molecular-weight light-emitting organic compound has a manufacturing step of a vapor deposition step or a polymer-film forming step of applying a polymer solution containing a low-molecular-weight light-emitting organic compound to form a polymer film. is necessary.
- the polymer film forming step is simpler than the vapor deposition step.
- An object of the present invention is to provide a blue light-emitting polymer that can ensure high light emission luminance, realize light emission for a long time, and has excellent durability, a method for producing the same, and a light-emitting element using the same. Is to do.
- a first means for solving the above-mentioned problem is a blue light-emitting polymer comprising a repeating unit represented by the following general formula (1). [0007] [Formula 1]
- Ar 1 and Ar 2 each represent a group represented by the following general formulas (2) to (5).
- Z represents a single bond or a group represented by the following formula (6)
- Ar 1 and Ar 2 may be the same or different from each other.
- R 1 represents a hydrogen atom, an alkyl group having 110 carbon atoms, an alkoxy group having 115 carbon atoms or an aryl group having 6 to 14 carbon atoms.
- N represents an integer of 1 to 4.
- R 2 and R 3 represent a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, 5 represents an alkoxy group or an aryl group having 6 to 14 carbon atoms.
- R 2 and R 3 may be the same or different from each other.
- m is an integer of 1 or 2, and has the same meaning as described above.
- R 5 and R 6 represent a hydrogen atom, an alkyl group having 11 to 10 carbon atoms, an alkoxy group having 115 carbon atoms or an aryl group having 6 to 14 carbon atoms.
- R 5 and R 6, yo be different even identical to each other les.
- m and n have the same meaning as described above.
- R 7 and is a hydrogen atom, an alkyl group having 1 one 10 carbon atoms, an alkoxy group or Ariru group with carbon number 6 to 14 of 1 one 5 carbon atoms.
- the R 7 and May be the same as or different from each other, and in the formula, n has the same meaning as described above.
- R 1Q represents a hydrogen atom or an alkyl group having 11 to 10 carbon atoms.
- the R 1Qs may be the same or different from each other.
- the second means is to use a compound obtained by a dehydrohalogenation reaction between an aromatic cyclic compound represented by the following formula (7) and an aromatic halogen compound represented by the following formula (8):
- the above general formula (1) characterized in that a dicarboxylic acid compound represented by the following formula (9) obtained by hydrolyzing a compound obtained by chilling and then oxidizing is reacted with a hydrazinium salt to perform polycondensation.
- This is a method for producing a blue light-emitting polymer comprising a repeating unit represented by 1).
- a third means is represented by the following formula (11) obtained by acetylating a fluorene compound represented by the following formula (10) and then hydrolyzing the compound obtained by oxidation.
- R 1U represents a hydrogen atom or an alkyl group having 11 to 10 carbon atoms.
- the Rs may be the same or different from each other.
- a fourth means is a light emitting device comprising a light emitting layer containing a blue light emitting polymer comprising a repeating unit represented by the general formula (1) between a pair of electrodes. .
- the invention's effect [0029] According to the present invention, it is possible to provide a blue light-emitting polymer capable of securing high light emission luminance and realizing light emission for a long time, a method for producing the same, and a light-emitting element using the same.
- FIG. 1 is an explanatory diagram showing a light-emitting element as an example according to the present invention.
- FIG. 2 is an explanatory view showing a light emitting element as another example according to the present invention.
- FIG. 3 is an explanatory view showing a light emitting element as another example according to the present invention.
- FIG. 4 is an explanatory view showing a light emitting element as still another example according to the present invention.
- FIG. 5 is an NMR spectrum chart of a crystal obtained by a dehydrohalogenation reaction in Example 1.
- FIG. 6 is an IR total chart of crystals obtained by a dehydrohalogenation reaction in Example 1.
- FIG. 7 is an NMR spectrum chart of a crystal obtained by acetylation in Example 1.
- FIG. 8 is an IR spectrum chart of a crystal obtained by acetylation in Example 1.
- FIG. 9 is an NMR spectrum chart of a crystal obtained by hydrolysis in Example 1.
- FIG. 10 is an IR spectrum chart of a crystal obtained by hydrolysis in Example 1.
- FIG. 11 is an NMR spectrum chart of a thin film obtained by a polycondensation reaction in Example 1.
- FIG. 12 is an IR spectrum chart of a thin film obtained by a polycondensation reaction in Example 1.
- FIG. 13 is a spectrum chart showing a fluorescence spectrum of the polymer obtained in Example 1.
- FIG. 14 is an IR spectrum chart of a thin film obtained by a polycondensation reaction in Example 2.
- FIG. 15 is a spectrum chart showing a fluorescence spectrum of the polymer obtained in Example 2.
- A, B blue light-emitting element, 1 substrate, 2 transparent electrode, 3 light-emitting layer, 4 electrode layer Best mode for carrying out the invention
- the blue light-emitting polymer according to the present invention has a structure represented by the following general formula (1).
- the blue light-emitting polymer includes an oxadiazole ring, a methylene group, Formed from Ar 2 and Z.
- the Ar 2 is configured to bind to said Okisajiazoru ring through a methylene group which bonds to Ar 1. Further, Ar 1 is bonded to a carbon atom of an oxaziazole ring in another repeating unit.
- Ar 1 and Ar 2 are represented by any of the following general formulas (2) to (5), and may be the same as or different from Ar 1 and Ar 2 .
- Examples of the Ar 1 and Ar 2 include groups represented by the following general formula (2).
- the group represented by the general formula (2) has a benzene ring, and one of the carbon atoms at the para position of the benzene ring is bonded to a carbon atom of the oxaziazole ring, and the other is a methylene group. Bond with the carbon atom of Other carbon atoms of the benzene ring are bonded to R 1 .
- R 1 is hydrogen atom, an alkyl group having 1 one 10 carbon atoms, was or alkoxy group having 1 one 5 carbon shows a Ariru group having 6 14 carbon atoms.
- Examples of the C1-C10 alkyl group include a methynole group, an ethyl group, a propyl group, an isopropyl group, an n_butyl group, an isobutyl group, a sec-butyl group, a tert_butyl group, and an n-pentyl group.
- It has 115 carbon atoms, preferably 113 carbon atoms such as n_butyl group, isobutyl group, sec-butyl group, tert-butyl group, n-pentyl group, sec-pentyl group, tert-pentyl group, etc. Preferred are all alkyl groups.
- the alkyl group having 11 to 10 carbon atoms may be a group having a fluorine atom instead of a hydrogen atom, that is, a fluorine atom-containing alkyl group.
- an alkyl group having 11 to 13 fluorine atoms is preferable.
- examples thereof include a fluoromethyl group, a difluoromethyl group, a trifluoromethyl group, and a fluoroethyl group.
- the alkoxy group having 115 carbon atoms includes an ethoxy group, a methoxy group, and a propoxy group. And isopropoxyl, butoxy, isobutoxy, s-butoxy, t-butoxy and pentoxy groups.
- Examples of the aryl group having 6 to 14 carbon atoms include a phenyl group, a tolyl group, a naphthyl group, a biphenyl group, and an anthryl group.
- R 1 in which the benzene ring has may shall apply in groups different even with the same group to one another.
- n an integer of 1 to 4.
- Examples of Ar 1 and Ar 2 include groups represented by the following general formula (3).
- the group represented by the general formula (3) has a naphthalene ring, and one of the carbon atoms at the 1- and 4-positions of the naphthalene ring is bonded to a carbon atom of the oxaziazole ring, and the other is Bonds to carbon atom of methylene group.
- the other carbon atom of the naphthalene ring is bonded to R 2 or four R 3 .
- R 2 and R 3 represents a hydrogen atom, an alkyl group having 1 one 10 carbon atoms, Ariru groups alkoxy groups or carbon atoms 6 to 14 of 1 one 5 carbon atoms.
- alkyl group, alkoxy group and aryl group are as described above.
- naphthalene ring has is good even group different even for the same group together les.
- m represents an integer of 1 or 2, and is as described above.
- Examples of Ar 1 and Ar 2 include groups represented by the following general formula (4).
- the group represented by the general formula (4) has an anthracene ring, and one of the carbon atoms at the 1- and 4-positions of the anthracene ring is bonded to a carbon atom of the oxaziazole ring, and the other is Bonds to carbon atom of methylene group.
- the other carbon atoms of the anthracene ring are bonded to R 4 , R 5 or R 6 .
- R 4 , R 5 and R 6 represent a hydrogen atom, an alkyl group having 11 to 10 carbon atoms, an alkoxy group having 115 carbon atoms or an aryl group having 614 carbon atoms.
- alkyl group, alkoxy group and aryl group are as described above.
- Two R 4 and R 5 and four R 6 of the anthracene ring may be the same or different from each other.
- Examples of Ar 1 and Ar 2 include groups represented by the following general formula (5). [0062] [Formula 16]
- the group represented by the general formula (5) has an anthracene ring, and one of the carbon atoms at the 5- and 10-positions of the anthracene ring is bonded to a carbon atom of an oxaziazole ring, and the other is Bonds to carbon atom of methylene group. Further, the other carbon atoms of the anthracene ring are bonded to R 7 or R 8 .
- R 7 and R 8 each represent a hydrogen atom, an alkyl group having 11 to 10 carbon atoms, an alkoxy group having 15 to 15 carbon atoms, or an aryl group having 6 to 14 carbon atoms.
- alkyl group, alkoxy group and aryl group are as described above.
- the two R 7 and R 8 of the anthracene ring may be the same group or different groups.
- Z in the formula (1) represents a single bond or a group represented by the following formula (6).
- the group represented by the formula (6) is composed of a fluorene and an oxadiazole ring.
- the 2-position carbon atom in the fluorene is bonded to a carbon atom in the oxaziazole ring, and the 7-position carbon atom is bonded to a carbon atom in Ar 2 in the formula (1). Further, a carbon atom different from the carbon atom bonded to the fluorene in the oxadiazole ring is bonded to Ar 1 in another repeating unit.
- R 1Q in the above formula (6) represents a hydrogen atom or an alkyl group having 11 to 10 carbon atoms.
- Examples of the C1-C10 alkyl group include a methynole group, an ethyl group, a propyl group, an isopropyl group, an n_butyl group, an isobutyl group, a sec-butyl group, a tert-butyl group, and an n-pentyl group.
- Alkyl having 115 carbon atoms, preferably 113 carbon atoms such as n_butyl group, isobutyl group, sec-butyl group, tert_butyl group, n-pentyl group, sec-pentyl group, tert-pentyl group, etc. Groups are preferred.
- the alkyl group having 11 to 10 carbon atoms may have a fluorine atom instead of a hydrogen atom.
- an alkyl group having a fluorine atom having 13 to 13 carbon atoms is preferable.
- a fluoromethyl group, a difluoromethinole group and a trifluoro group L-methyl group fluoroethyl group, 1,1-difluoroethyl group, 1,2-difluoroethyl group, 1,1,1-trifluoroethyl group, 1,1,2-trifluoroethyl group, 1,2, 2-Trifluoroethyl, 1,1,2,2-tetrafluoroethyl, 1,1,2,2,2-pentafluoroethyl, 1-fluoropropyl, 2-fluoropropyl, 1,1 -Difluoropropyl group, 1,2-difluoropropyl group, 1,3-difluoropropyl group, 2,2-di
- the blue light emitting polymer according to the present invention has an average molecular weight of 10,000 to 500,000, and particularly preferably 20000 to 300,000.
- the repeating unit represented by the general formula (1) has an oxaziazo-norre ring having a large ⁇ electron cloud
- the ⁇ electron cloud in the repeating unit has a higher density
- blue light emission is facilitated by a small amount of energy because of stabilization.
- the blue light-emitting polymer according to the present invention is characterized by having a repeating unit having a structure in which the groups represented by Ar 1 and Ar 2 are bonded to the carbon of the oxadiazole ring having a large ⁇ electron cloud. Since the blue light-emitting polymer has a repeating unit having an aromatic ring and an oxadiazole ring in the main chain, it is chemically stable and exhibits the specificity of not deteriorating even under severe use conditions.
- the blue light-emitting polymer according to the present invention can be produced as follows.
- Ar 1 in the formula (7) has the same meaning as described above.
- Ar 2 in the formula (8) has the same meaning as described above, and X represents a halogen atom.
- halogen atom include a chlorine atom, a fluorine atom, a bromine atom, an iodine atom and the like, and a chlorine atom is preferable.
- Examples of the aromatic cyclic compound include benzene, toluene, 0-dimethylbenzene, m-dimethylinobenzene, p-dimethylinobenzene, 0-getylbenzene, m-jetinolebenzene, p-methylethylbenzene. , Naphthalene, 1,2-dimethylnaphthalene, 1,3-dimethylnaphthalene, 1,4-dimethylnaphthalene, 1,2-dimethylnaphthalene, 1,3-dimethylnaphthalene, 1,4-dimethylnaphthalene, anthracene And the like.
- aromatic halogen compound examples include benzyl chloride, 1-chloromethylnaphthalene, 2_chloromethylnaphthalene, 1_chloromethylanthracene, 2_chloromethylanthracene, and 5-chloromethylanthracene. Loromethylanthracene, benzyl bromide, 1-bromomethylnaphthalene, 2-bromomethylnanthracene, etc.
- the solvent examples include inorganic solvents such as hydrochloric acid, sulfuric acid, and nitric acid, and ethanol, methanol, acetic acid, acetic anhydride, dimethyl ether, dimethyl ether, acetone, phthalic acid, phthalanoic anhydride, n-hexane, benzene, toluene, and pyridine. , Tetrahydrofuran, DMF, DMAC and the like.
- a catalyst may be used.
- Examples of the catalyst include iron, zinc, nickel, copper, platinum, aluminum oxide, and aluminum chloride.
- the reaction temperature is preferably 80-100 ° C, more preferably 85-95 ° C.
- R 11 in [0092] Formula (13) represents an alkyl group having 1 one 5 carbon atoms.
- Examples of the alkyl group having 115 carbon atoms include a methynole group, an ethyl group, a propyl group, an isopropyline group, an n-butyl group, an isobutyl group, a sec-butyl group, a tert-butyl group, and an n-pentyl group. And a sec-pentyl group and a tert-pentyl group. Among them, an alkyl group having 13 to 13 carbon atoms is preferable.
- X in the above formula (13) represents a halogen atom, and examples of the halogen atom include a chlorine atom, a fluorine atom, a bromine atom, and an iodine atom.
- acetyl halide compound examples include acetyl chloride, propionyl chloride, butyryl chloride, hyisobutyryl chloride, acetyl bromide, propionyl bromide, putyryl bromide, and isobutyryl bromide.
- Examples of the solvent include inorganic solvents such as carbon sulfide and carbon disulfide, ethanol, methanol, acetic anhydride, phthalic anhydride, getyl ether, dimethyl ether, acetone, benzene, toluene, pyridine, tetrahydrofuran, DMF, DMAC and the like.
- organic solvents such as carbon sulfide and carbon disulfide, ethanol, methanol, acetic anhydride, phthalic anhydride, getyl ether, dimethyl ether, acetone, benzene, toluene, pyridine, tetrahydrofuran, DMF, DMAC and the like.
- a catalyst can be used.
- Examples of the catalyst include aluminum chloride, antimony chloride, lead chloride, titanium chloride, bismuth chloride, zinc chloride and the like.
- the reaction temperature is preferably 20 to 50 ° C, and more preferably 30 to 40 ° C.
- the solvent examples include non-polar solvents such as benzene, carbon tetrachloride, hexane, getyl ether, and dimethyl ether; and polar solvents such as methanol, ethanol, pyridine, tetrahydrofuran, DMF, and DMAC. .
- the solvent used in the oxidation reaction is preferably the same as the solvent used in the acylidani reaction. When the solvent is the same, an oxidizing agent is added to the reaction product liquid generated by the acylation reaction, and the reaction is oxidized by heating. This is because the reaction can be performed immediately.
- Examples of the oxidizing agent include sodium hypochlorite, potassium hypochlorite and the like.
- the reaction temperature is preferably 40 to 80 ° C., and particularly preferably 60 to 70 ° C.
- M represents an element derived from the oxidizing agent, and is capable of raising sodium and potassium.
- Examples of the acid include hydrochloric acid, sulfuric acid, and nitric acid, and examples of the alkali include sodium hydroxide, potassium hydroxide, calcium hydroxide, magnesium hydroxide, and ammonia.
- Examples of the dehydrating agent include sulfuric acid, zinc chloride, phosphoric anhydride, boric acid, oxalic acid, and polyphosphoric acid.
- the reaction temperature may be 100 to 150 ° C, and particularly preferably 110 to 130 ° C.
- the blue light-emitting polymer according to the present invention can also be produced as follows.
- R 1Q in the formula (10) represents a hydrogen atom or an alkyl group having 1 10 carbon atoms, preferably 115 carbon atoms, more preferably 113 carbon atoms, and the alkyl group is It is as follows.
- R 11 in [0122] represents a hydrogen atom or an alkyl group having a carbon number 1 one 5.
- Examples of the alkyl group having 115 carbon atoms include a methyl group, an ethyl group, a propyl group, an isopropyline group, an n-butyl group, an isobutyl group, a sec-butyl group, a tert-butyl group, and an n_pentyl group. And a sec-pentyl group and a tert-pentyl group. Among them, an alkyl group having 13 to 13 carbon atoms is preferable.
- X in the formula (13) represents a halogen atom
- examples of the halogen atom include a chlorine atom, a fluorine atom, a bromine atom, and an iodine atom, and a chlorine atom is preferable.
- examples of the acetyl halide compound include acetyl chloride, propionyl chloride, butyryl chloride, hyisobutyryl chloride, acetyl bromide, propionyl bromide, butyryl bromide, and isobutyryl bromide. It is a salted ash compound, and more preferably a chlorinated acryl compound having an acyl group of 13 to 13 carbon atoms.
- Examples of the solvent include inorganic solvents such as carbon sulfide and carbon disulfide, and ethanol, methanol, acetic anhydride, phthalic anhydride, getyl ether, dimethyl ether, acetone, benzene, toluene, pyridine, tetrahydrofuran, and DMF. And organic solvents such as DMAC.
- a catalyst can be used.
- Examples of the catalyst include aluminum chloride, antimony chloride, lead chloride, titanium chloride, bismuth chloride, zinc chloride and the like.
- the reaction temperature is preferably 20 to 50 ° C., and particularly preferably 30 to 40 ° C.
- Examples of the solvent include nonpolar solvents such as benzene, carbon tetrachloride, hexane, getyl ether, and dimethyl ether; and polar solvents such as methanol, ethanol, pyridine, tetrahydrofuran, DMF, and DMAC. .
- nonpolar solvents such as benzene, carbon tetrachloride, hexane, getyl ether, and dimethyl ether
- polar solvents such as methanol, ethanol, pyridine, tetrahydrofuran, DMF, and DMAC.
- Examples of the oxidizing agent include sodium hypochlorite, potassium hypochlorite, and the like.
- the reaction temperature is preferably from 40 to 80 ° C., and particularly preferably from 60 to 70 ° C.
- M represents an element derived from the oxidizing agent, and is capable of raising sodium and potassium.
- Examples of the acid include hydrochloric acid, sulfuric acid, and nitric acid.
- Examples of the alkali include sodium hydroxide, potassium hydroxide, calcium hydroxide, magnesium hydroxide, and ammonia.
- the polycarboxylic acid compound, the hydrazinium salt and the dehydrating agent are heated to cause a polycondensation reaction.
- Examples of the dehydrating agent include sulfuric acid, zinc chloride, phosphoric anhydride, boric acid, oxalic acid, and polyphosphoric acid.
- hydrazinium salt examples include hydrazine hydrochloride, hydrazine sulfate, hydrazine nitrate and the like.
- the reaction temperature may be 100 to 150 ° C, and particularly preferably 110 to 130 ° C. [0146] By this reaction, the blue light-emitting polymer represented by the formula (1) according to the present invention can be obtained.
- FIG. 1 is an explanatory diagram showing a cross-sectional structure of a light emitting device that is also a single-layer organic EL device.
- the light emitting device A is formed by laminating a light emitting layer 3 containing a light emitting material and an electrode layer 4 in this order on a substrate 1 on which a transparent electrode 2 is formed.
- the transparent electrode 2 and the electrode layer When a current is applied to 4, light is emitted in white.
- the total content and each content ratio of the blue light-emitting polymer, red light-emitting compound, and green light-emitting compound according to the present invention, which are contained in the light-emitting layer 3 for emitting white light depend on the type of each light-emitting compound. It differs depending on the type, and specifically, is appropriately determined according to the type of each light emitting compound.
- the light emitting layer 3 preferably contains the blue light emitting polymer according to the present invention. Further, if it is intended to emit light of any color other than white and blue with this light emitting device, the total content and content of the blue light emitting polymer, the red light emitting compound, and the green light emitting compound according to the present invention, It is good to change each content ratio appropriately. For example, in order for a light emitting device using the blue light emitting polymer according to the present invention to emit white light, the mixing ratio of the blue light emitting polymer, the red light emitting compound, and the green light emitting compound in the light emitting layer is usually 5 to 5% by weight. 200: 10-100: 50-20000, preferably ⁇ 10-100: 50-500: 100-10000.
- red light-emitting compound a Nile red-based red light-emitting compound represented by the following formula (18) is preferable. [0151] [Formula 30]
- Examples of the green light emitting compound include a coumarin green light emitting compound, an indophenol green light emitting compound, and an indigo green light emitting compound. Among them, the coumarin green light emitting compound represented by the following formula (19) is given. Luminescent compounds are preferred.
- the light-emitting element A is mounted on a wall surface or a ceiling, for example, and is mounted on a wall surface or a ceiling. And the like. That is, this light emitting element is It can be used as a surface light source instead of a point light source such as a conventional light source such as a fluorescent lamp or a light bulb. In particular, it is possible to illuminate and illuminate a wall surface, a ceiling surface, or a floor surface of a living room, an office room, a vehicle room, or the like as a surface light source using the light emitting element according to the present invention. .
- the light emitting element A can be used as a backlight for a display screen of a computer, a display screen of a mobile phone, a numeric display screen of a cash register, and the like.
- the light-emitting element A can be used as various light sources such as direct lighting and indirect lighting, and can be made to emit light at night and has good visibility, such as advertising devices, traffic lights, and road signs. It can also be used for devices and light sources such as light-emitting boards.
- the light emitting element A since the light emitting element A has a blue light emitting polymer having a specific chemical structure in the light emitting layer, its light emitting life is long. Therefore, the light emitting element A can be used as a light source that emits light for a long time.
- the light-emitting layer in the light-emitting element A contains the blue light-emitting polymer according to the present invention and does not contain the red light-emitting compound and the green light-emitting compound, the light-emitting layer has Element A emits bright blue light.
- this light-emitting element A is formed into a tubular substrate 1 formed by laminating a transparent electrode 2, a light-emitting layer 3 and an electrode layer 4 in this order on the inner surface side of the substrate 1 in a tubular shape. can do . Since the light emitting element A does not use mercury, it can be used as an environmentally friendly light source instead of a conventional fluorescent lamp using mercury.
- the substrate 1 a known substrate can be used as long as the transparent electrode 2 can be formed on the surface thereof.
- the substrate 1 include a glass substrate, a plastic sheet, a ceramic, and a metal plate whose surface is processed to be insulative, such as forming an insulating paint layer on the surface.
- the light emitting element containing the red light emitting compound, the green light emitting compound, and the blue light emitting polymer according to the present invention in the light emitting layer irradiates the opposite side of the substrate 1 with white light.
- the substrate 1 is transparent, it is a double-sided illumination device capable of irradiating white light from the surface of the light emitting element on the substrate 1 side and the opposite surface.
- the transparent electrode 2 has a large work function and is transparent. Various materials can be employed as long as they can function as anodes and inject holes into the light emitting layer 3. Specifically, the transparent electrode 2 is composed of IT ⁇ , In O, SnO, Zn ⁇ , Cd
- It can be formed of an inorganic transparent conductive material such as O or a compound thereof, or a conductive high molecular material such as polyaniline.
- the transparent electrode 2 is formed on the substrate 1 by chemical vapor deposition, spray pyrolysis, vacuum evaporation, electron beam evaporation, sputtering, ion beam sputtering, ion plating, ion assisting, or the like. It can be formed by an evaporation method or another method.
- the electrodes formed on the substrate do not need to be transparent electrodes.
- the light emitting layer 3 contains the blue light emitting polymer according to the present invention when emitting blue light, and contains the red light emitting compound, the green light emitting compound and the blue light emitting polymer according to the present invention when emitting white light.
- the blue light emitting polymer according to the present invention, or the red light emitting compound, the green light emitting compound, and the blue light emitting polymer according to the present invention can be formed on the transparent electrode 2.
- Examples of a method for forming a blue light-emitting polymer on the transparent electrode 2 include a method in which the blue light-emitting polymer is dissolved in an appropriate solvent and applied to a transparent electrode.
- Examples of the coating method include a spinner method and a brush coating method.
- the thickness of the light emitting layer 3 is usually 30 to 500 nm, preferably 100 to 300 nm. If the thickness of the light-emitting layer 3 is too small, the amount of emitted light may be insufficient. If the thickness of the light-emitting layer 3 is too large, the driving voltage may be too high, which is not preferable. In some cases, it may lack flexibility when it is formed into a curved body or an annular body.
- the electrode layer 4 is made of a material having a small work function, and can be formed of a single metal or a metal alloy such as MgAg, an aluminum alloy, or calcium metal.
- a preferred electrode layer 4 is an alloy electrode of aluminum and a small amount of lithium.
- the electrode layer 4 can be easily formed, for example, on the surface including the light emitting layer 3 formed on the substrate 1 by a vapor deposition technique.
- a layer is interposed.
- the material that can form the buffer layer include alkali metal compounds such as lithium fluoride, alkaline earth metal compounds such as magnesium fluoride, oxides such as aluminum oxide, and the like. -Biscarbazolebiphenyl (Cz-TPD).
- m_MTDATA 4,4,4,4, tris (3-methylphenylphenylamino) triphenyl) Amine
- phthalocyanine polyaniline
- polythiophene derivatives and inorganic oxides such as molybdenum oxide, ruthenium oxide, vanadium oxide, and lithium fluoride.
- FIG. 2 is an explanatory diagram showing a cross section of a multilayer organic EL device which is a light emitting device.
- the light emitting element B was provided on the surface of the substrate 1 with the transparent electrode 2 and the hole transport layer.
- the light emitting layers 3a and 3b, the electron transport layer 6 and the electrode layer 4 are laminated in this order.
- the substrate 1, the transparent electrode 2, and the electrode layer 4 are the same as those in the light emitting element A shown in FIG.
- the light-emitting layer in light-emitting element B shown in Fig. 2 includes light-emitting layer 3a and light-emitting layer 3b, and light-emitting layer 3a is a vapor-deposited film formed by vapor-depositing a light-emitting compound.
- the light emitting layer 3b is a layer having a function as a host material.
- Examples of the hole transporting substance contained in the hole transporting layer 5 include triphenylamine-based compounds such as N, N'-diphenyl-N, N, -di (m-tolyl) -benzidine (TPD) and Examples include ⁇ _NPD, hydrazone-based compounds, stilbene-based compounds, heterocyclic compounds, and ⁇ -electron-based star-burst hole transport materials.
- the electron transporting substance contained in the electron transporting layer 6 for example, 2_ (4_tert_butylphenyl) -5_ (4-biphenyl) -1,3,4 —Oxadiazole derivatives such as oxadiazole and 2,5_bis (1-naphthyl 3,4-oxadiazole) and 2,5_bis (5′_tert-butynole_2′_benzoxazolyl) thiophene
- quinolinol aluminum complex A metal complex-based material such as a compound (Alq3) and a benzoquinolinol beryllium complex (Bebq2) can also be suitably used.
- the electron transport layer 6 contains Alq3.
- each layer is the same as in a conventionally known multilayer organic EL device.
- Light-emitting element B shown in FIG. 2 operates and emits light similarly to light-emitting element A shown in FIG.
- the light emitting element B shown in FIG. 2 has the same use as the light emitting element A shown in FIG.
- FIG. 3 shows a third example of the light emitting device according to the present invention.
- FIG. 3 is an explanatory diagram showing a cross section of a light emitting device which is a multilayer organic EL device.
- the light emitting device C shown in FIG. 3 has a structure in which a transparent electrode 2, a hole transport layer 5, a light emitting layer 3, an electron transport layer 8, and an electrode layer 4 are laminated in this order on the surface of a substrate 1.
- Light-emitting element C shown in Fig. 3 is the same as light-emitting element B described above.
- FIG. 4 shows another example of the light emitting element.
- the light-emitting device D shown in FIG. 4 is formed by laminating a substrate 1, an electrode 2, a hole transport layer 5, a light-emitting layer 3, and an electrode layer 4 in this order.
- a hole transport layer containing a hole transport material is provided between an anode, which is a transparent electrode, and a cathode, which is an electrode layer, formed on a substrate.
- a two-layer organic low-molecular-weight light-emitting device e.g., a hole-transporting layer, a guest dye between an anode and a cathode formed by laminating the blue light-emitting polymer-containing electron-transporting light-emitting layer according to the present invention.
- a two-layer dye-doped light-emitting device comprising a blue light-emitting polymer according to the present invention and a light-emitting layer containing a host dye
- a hole-transporting material containing a hole-transporting substance between an anode and a cathode.
- Two-layer organic light-emitting device e.g., between an anode and a cathode in which a layer and an electron-transporting light-emitting layer formed by co-evaporating the blue light-emitting polymer according to the present invention and an electron-transporting substance are laminated.
- a hole transport layer, and blue according to the present invention as a guest dye.
- a three-layer organic light-emitting device in which a red light-emitting polymer-containing light-emitting layer and an electron transport layer are laminated can be mentioned.
- rubrene is preferably contained as a sensitizer, Preferably, rubrene and Alq3 are contained.
- the blue light emitting device using the blue light emitting polymer according to the present invention, or the white light emitting device using the red light emitting compound, the green light emitting compound and the blue light emitting polymer according to the present invention are, for example, generally DC-driven organic EL devices. It can also be used as a pulse drive type organic EL device and an AC drive type organic EL device.
- a 2-L three-neck flask was charged with 100 g of naphthalene, 148.14 g of benzyl chloride and 40.82 g of zinc.
- the solution in the flask was heated to 90 ° C. in a water bath, and reacted for 1.5 hours with stirring.
- the solution was ice-cooled, extracted and separated four times using benzene (the amount of benzene used per time was 375 ml), washed four times with water, and filtered.
- the solid obtained by filtration was dissolved in 2 L of benzene, and the solution was vacuum distilled at 80 ° C. for 1 hour using an evaporator. After distillation, ethanol was added to the concentrated solution, and the solution was further heated to 60 ° C. and allowed to cool, and then the solution was filtered to obtain 62.38 g of white crystals.
- Fig. 5 shows an NMR spectrum chart of the obtained crystal
- Fig. 6 shows an IR spectrum chart.
- the obtained crystal was identified as a compound having a structure represented by the following formula (20).
- FIG. 7 shows an NMR spectrum chart of the obtained crystal
- FIG. 8 shows an IR spectrum chart thereof.
- the obtained crystal was identified as a compound having a structure represented by the following formula (21).
- Fig. 9 shows an NMR spectrum chart of the obtained crystal
- Fig. 10 shows an IR spectrum chart thereof.
- the obtained crystal was identified as a dicarboxylic acid compound having a structure represented by the following formula (22).
- FIG. 11 shows an NMR spectrum chart of the obtained thin film
- FIG. 12 shows an IR spectrum chart thereof. From this, the obtained thin film was identified as a polymer having a structure represented by the following formula (23). [0196] [Formula 35]
- the obtained thin film was loaded on an F-4500 type spectrofluorometer manufactured by Hitachi, Ltd., and the fluorescence spectrum was measured under the following conditions.
- FIG. 13 shows the obtained fluorescence spectrum.
- FIG. 13 shows that the thin film obtained in this example exhibited a peak force S at 400 to 500 nm, indicating that this thin film emitted blue light.
- Fig. 14 shows an IR spectrum chart of the obtained thin film. From this, the obtained thin film was identified as a polymer having a structure represented by the following formula (26).
- a sample solution was prepared by dissolving the obtained thin film lOOmg in DMAC5ml. This sample solution was loaded on a F-4500 spectrofluorometer manufactured by Hitachi, Ltd., and the fluorescence spectrum was measured under the same conditions as in Example 1.
- FIG. 15 shows the obtained fluorescence spectrum.
- the thin film obtained in this example showed a peak at 400 to 450 nm, indicating that this thin film emitted blue light.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Electroluminescent Light Sources (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Luminescent Compositions (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04746341A EP1642920A1 (en) | 2003-06-30 | 2004-06-24 | Blue light emitting polymer, method for producing same, and light emitting device utilizing same |
US10/562,934 US20060152144A1 (en) | 2003-06-30 | 2004-06-24 | Blue light emitting polymer, method for producing same, and light emitting device utilizing same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-188390 | 2003-06-30 | ||
JP2003188390A JP2005023154A (ja) | 2003-06-30 | 2003-06-30 | 青色発光ポリマー、その製造方法およびそれを利用した発光素子 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005000942A1 true WO2005000942A1 (ja) | 2005-01-06 |
Family
ID=33549747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/008872 WO2005000942A1 (ja) | 2003-06-30 | 2004-06-24 | 青色発光ポリマー、その製造方法およびそれを利用した発光素子 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20060152144A1 (ja) |
EP (1) | EP1642920A1 (ja) |
JP (1) | JP2005023154A (ja) |
KR (1) | KR20060024446A (ja) |
CN (1) | CN1802403A (ja) |
TW (1) | TW200504178A (ja) |
WO (1) | WO2005000942A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006164708A (ja) | 2004-12-06 | 2006-06-22 | Semiconductor Energy Lab Co Ltd | 電子機器および発光装置 |
JPWO2006092964A1 (ja) * | 2005-03-03 | 2008-08-07 | コニカミノルタホールディングス株式会社 | 有機エレクトロルミネッセンス表示装置及び有機エレクトロルミネッセンス照明装置 |
WO2006115131A1 (ja) * | 2005-04-19 | 2006-11-02 | Hirose Engineering Co., Ltd. | 発光性重合体、発光性重合体の製造方法、及び発光素子 |
KR100619287B1 (ko) * | 2006-01-09 | 2006-09-01 | 이승엽 | 고배율 발포체용 조성물 및 이를 이용한 경량 발포체 |
DE102008009068A1 (de) | 2008-02-13 | 2009-08-27 | Gkss-Forschungszentrum Geesthacht Gmbh | Verfahren zur Herstellung eines Polyoxadiazol-Polymers |
DE102008027499A1 (de) * | 2008-06-10 | 2009-12-17 | Gkss-Forschungszentrum Geesthacht Gmbh | Herstellung von Kompositen aus Polyoxadiazol-Polymeren |
JP4775865B2 (ja) * | 2009-01-14 | 2011-09-21 | 東芝モバイルディスプレイ株式会社 | 有機el表示装置及びその製造方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08148281A (ja) * | 1994-09-19 | 1996-06-07 | Mitsui Petrochem Ind Ltd | 有機薄膜電界発光素子およびその製造方法 |
JPH11124573A (ja) * | 1997-08-12 | 1999-05-11 | Samsung Display Devices Co Ltd | 発光ダイオード用有機電気発光高分子 |
JPH11228692A (ja) * | 1998-02-10 | 1999-08-24 | Jsr Corp | ポリオキサジアゾール誘導体及びその製造方法、並びに有機エレクトロルミネッセンス素子 |
WO2001077203A2 (en) * | 2000-04-11 | 2001-10-18 | Dupont Displays, Inc. | Soluble poly(aryl-oxadiazole) conjugated polymers |
JP2002524596A (ja) * | 1998-09-03 | 2002-08-06 | フラウンホーファー−ゲゼルシャフト・ツァー・フュールデルンク・ダー・アンゲヴァンテン・フォルシュンク・エー.ファウ. | 光学装置用の芳香族ポリ(1,3,4−ヘテロジアゾール) |
JP2003064003A (ja) * | 2001-05-22 | 2003-03-05 | Korea Inst Of Science & Technology | 官能基を含有したフルオレン系化合物及びその重合体並びにそれらを利用したel素子 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6143433A (en) * | 1994-09-14 | 2000-11-07 | Mitsui Chemicals, Inc. | Organic electroluminescent device and process for producing the same |
-
2003
- 2003-06-30 JP JP2003188390A patent/JP2005023154A/ja not_active Withdrawn
-
2004
- 2004-06-24 KR KR1020057025186A patent/KR20060024446A/ko not_active Application Discontinuation
- 2004-06-24 CN CNA2004800159347A patent/CN1802403A/zh active Pending
- 2004-06-24 WO PCT/JP2004/008872 patent/WO2005000942A1/ja not_active Application Discontinuation
- 2004-06-24 US US10/562,934 patent/US20060152144A1/en not_active Abandoned
- 2004-06-24 EP EP04746341A patent/EP1642920A1/en not_active Withdrawn
- 2004-06-29 TW TW093118976A patent/TW200504178A/zh unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08148281A (ja) * | 1994-09-19 | 1996-06-07 | Mitsui Petrochem Ind Ltd | 有機薄膜電界発光素子およびその製造方法 |
JPH11124573A (ja) * | 1997-08-12 | 1999-05-11 | Samsung Display Devices Co Ltd | 発光ダイオード用有機電気発光高分子 |
JPH11228692A (ja) * | 1998-02-10 | 1999-08-24 | Jsr Corp | ポリオキサジアゾール誘導体及びその製造方法、並びに有機エレクトロルミネッセンス素子 |
JP2002524596A (ja) * | 1998-09-03 | 2002-08-06 | フラウンホーファー−ゲゼルシャフト・ツァー・フュールデルンク・ダー・アンゲヴァンテン・フォルシュンク・エー.ファウ. | 光学装置用の芳香族ポリ(1,3,4−ヘテロジアゾール) |
WO2001077203A2 (en) * | 2000-04-11 | 2001-10-18 | Dupont Displays, Inc. | Soluble poly(aryl-oxadiazole) conjugated polymers |
JP2003064003A (ja) * | 2001-05-22 | 2003-03-05 | Korea Inst Of Science & Technology | 官能基を含有したフルオレン系化合物及びその重合体並びにそれらを利用したel素子 |
Also Published As
Publication number | Publication date |
---|---|
CN1802403A (zh) | 2006-07-12 |
US20060152144A1 (en) | 2006-07-13 |
TW200504178A (en) | 2005-02-01 |
JP2005023154A (ja) | 2005-01-27 |
KR20060024446A (ko) | 2006-03-16 |
EP1642920A1 (en) | 2006-04-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR20050029712A (ko) | 발광 화합물 및 발광 소자 | |
WO2005000942A1 (ja) | 青色発光ポリマー、その製造方法およびそれを利用した発光素子 | |
WO2006043539A1 (ja) | 発光化合物、発光高分子化合物、および発光素子 | |
WO2004083194A1 (ja) | 青色発光化合物、その製造方法及びそれを利用した発光素子 | |
TW200302264A (en) | Luminescent compound emitting white light, and illuminator and organic el element emitting white light | |
US20040234814A1 (en) | Blue light-emitting compounds, blue light-emitting polymers, processes of preparing the blue light-emitting compounds and luminescent element including the blue light-emitting polymers | |
WO2005000847A1 (ja) | 白色発光化合物、その製造方法、及び白色発光素子 | |
KR20050040773A (ko) | 백색 발광 화합물, 그것의 제조 방법 및 그것을 이용한발광 소자 | |
EP1475372A1 (en) | Nile red type compound emitting red light, process for producing the same, and luminescent element utilizing the same | |
JP2005154404A (ja) | 青色発光化合物、青色発光ポリマー、青色発光化合物の製造方法および青色発光ポリマーを利用した発光素子 | |
JP2006008628A (ja) | 青色発光化合物及び発光素子 | |
JP2004035447A (ja) | フッ化アルキル基含有スチルベン系青色発光化合物及び発光素子 | |
JP3798985B2 (ja) | 単一化合物による白色発光照明装置及び白色発光有機el素子 | |
JP2004149433A (ja) | 白色有機蛍光化合物 | |
US20060252933A1 (en) | Nile red light-emitting compound, method for producing nile red light-emitting compound, and light-emitting device | |
JP2005097129A (ja) | 赤色発光化合物、赤色発光ポリマー、赤色発光化合物の製造方法およびそれらを利用した発光素子 | |
JPWO2004039866A1 (ja) | 発光性ポリマー及び発光素子 | |
JP2004018400A (ja) | ナイルレッド系赤色発光化合物、その製造方法及びそれを利用した発光素子 | |
JPWO2003076390A1 (ja) | 黄色発光化合物、その製造方法、黄色発光素子及び白色発光素子 | |
KR19990030829A (ko) | 발광 고분자 및 이 발광 고분자를 발색재료로서 채용하고 있는 표시소자 | |
WO2003106391A1 (ja) | 青色発光化合物、フッ化アルキル基含有スチルベン系青色発光化合物、及び発光素子 | |
WO2006001239A1 (ja) | 白色発光化合物、白色発光高分子化合物、それらの製造方法及び発光素子 | |
JP2004018401A (ja) | 青色発光化合物及び発光素子 | |
JP2005132743A (ja) | 赤色発光化合物、赤色発光ポリマーおよびこれらを利用した発光素子 | |
CN1382674A (zh) | 芳香稠环化合物、发光元件材料和使用该材料的发光元件 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 20048159347 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020057025186 Country of ref document: KR |
|
ENP | Entry into the national phase |
Ref document number: 2006152144 Country of ref document: US Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10562934 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2004746341 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1020057025186 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 2004746341 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 2004746341 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 10562934 Country of ref document: US |