IP Library Granted Patent US 6,849,347
Granted Patent B2
US 6,849,347 · App. 10/237,059 · Granted Feb 1, 2005

Light-emitting element using the polymer and process for producing the same

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Quick Facts
Patent No.
US 6,849,347
App. No.
10/237,059
Granted
Feb 1, 2005
Kind
B2
Abstract

A light-emitting element comprising a polymer represented by the formula (1) or formula (2): -(EUG) k -(PMG) m -(NRG) n -  ( 1 ) wherein EUG represents a monomer unit comprising a partial skeleton effective as a light-emitting element material; PMG represents a monomer unit comprising a polymerizable group; NRG represents a copolymerization monomer unit; (EUG-PMG) represents a group wherein PMG is bonded as a single unit of EUG; and k, m, n, p and q each represents a mole percentage wherein k is from 1 to 99(%); m is from 1 to 99(%); n is from 0 to 98(%); k+m+n=100(%); p is from 1 to 99(%); q is from 0 to 99(%); and p+q=100(%).

Claims (29)

1. An organic electroluminescent element comprising a pair of electrodes and at least one organic layer including a luminescent layer, the organic layer comprising at least one of:

a polymer compound represented by the formula (1) or the formula (2):

-(EUG) k -(PMG) m -(NRG) n -  (1)

wherein EUG represents a monomer unit comprising a partial skeleton; PMG represents a monomer unit comprising a polymerizable group and the polymerizable group of PMG is in a terminal of the side chain of the PMG in formula (1); NRG represents a copolymerization monomer unit; (EUG-PMG) represents a group wherein PMG is bonded as a single unit of EUG; and k, m, n, p and q each represents a mole percentage wherein k is from 1 to 99(%); m is from 1 to 99(%); n is from 0 to 98(%); k+m+n=100(%); p is from 1 to 99(%); q is from 0 to 99(%); and p+q=100(%); and

a product obtained after a polymerization of the polymerizable group.

2. The organic electroluminescent element of claim 1 , wherein k is from 10 to 99(%).

3. The organic electroluminescent element of claim 1 , wherein the partial skeleton is pyrrole, thiophene, furan, or aromatic or heteroaromatic condensed ring compounds thereof.

4. The organic electroluminescent element of claim 1 , wherein the copolymerization monomer unit represented by NRG is a vinyl polymerization monomer.

5. The organic electroluminescent element of claim 1 , wherein the polymerizable group is a group having a carbon—carbon multiple bond, an epoxy group, or an oxetane group.

6. The organic electroluminescent element of claim 1 , wherein

EUG represents a monomer unit comprising a partial skeleton selected from the group consisting of pyrrole, thiophene, furan and aromatic, heteroaromatic condensed ring compounds thereof, and a nitrogen-containing five-membered heteroaromatic compound comprising two or more heteroatoms;

PMG represents a monomer unit comprising a polymerizable group selected from a group having a carbon-carbon multiple bond, an epoxy group, and an oxetane group; and

NRG represents a monomer unit having a vinyl group.

7. The organic electroluminescent element of claim 1 , wherein the compound of formula (1) or (2) is present in the organic layer in an amount of 0.01% to 100% by weight.

8. An organic electroluminescent element comprising a pair of electrodes and at least one organic layer including a luminescent layer, the organic layer comprising at least one of:

a polymer compound represented by the formula (1) or the formula (2):

-(EUG) k -(PMG) m -(NRG) n -  (1)

wherein EUG represents a monomer unit comprising a partial skeleton; PMG represents a monomer unit comprising a polymerizable group; NRG represents a copolymerization monomer unit; (EUG-PMG) represents a group wherein PMG is bonded as a single unit of EUG; and k, m, n, p and q each represents a mole percentage wherein k is from 1 to 99(%); m is from 1 to 99(%); n is from 0 to 98(%); k+m+n=100(%); p is from 1 to 99(%); q is from 0 to 99(%); and p+q=100(%); and

a product obtained after a polymerization of the polymerizable group; and wherein the partial skeleton comprises a nitrogen-containing five-membered heteroaromatic compound comprising two or more heteroatoms.

9. An organic electroluminescent element comprising a pair of electrodes and at least one organic layer including a luminescent layer, the organic layer comprising at least one of:

a polymer compound represented by the formula (1) or the formula (2):

-(EUG) k -(PMG) m -(NRG) n -  (1)

wherein EUG represents a monomer unit comprising a partial skeleton; PMG represents a monomer unit comprising a polymerizable group; NRG represents a copolymerization monomer unit; (EUG-PMG) represents a group wherein PMG is bonded as a single unit of EUG; and k, m, n, p and q each represents a mole percentage wherein k is from 1 to 99(%); mis from 1 to 99(%); n is from 0 to 98(%); k+m+n=100(%); p is from 1 to 99(%); q is from 0 to 99(%); and p+q=100(%); and

a product obtained after a polymerization of the polymerizable group; and wherein the partial skeleton comprises a nitrogen-containing five-membered heteroaromatic compound comprising two or more heteroatoms and wherein the nitrogen-containing five-membered heteroaromatic compound is pyrazole, imidazole, oxazole, thiazole, triazole (1,2,3- and 1,2,4-), tetrazole, oxadiazole (1,2,4-, 1,2,5-and 1,3,4-), or thiadiazole (1,2,4-, 1,2,5- and 1,3,4-).

10. An organic electroluminescent element comprising a pair of electrodes and at least one organic layer including a luminescent layer, the organic layer comprising at least one of:

a polymer compound represented by the formula (1) or the formula (2):

-(EUG) k -(PMG) m -(NRG) n -  (1)

wherein EUG represents a monomer unit comprising a partial skeleton; PMG represents a monomer unit comprising a polymerizable group; NRG represents a copolymerization monomer unit; (EUG-PMG) represents a group wherein PMG is bonded as a single unit of EUG; and k, m, n, p and q each represents a mole percentage wherein k is from 1 to 99(%); m is from 1 to 99(%); n is from 0 to 98(%); k+m+n=100(%); p is from 1 to 99(%); q is from 0 to 99(%); and p+q=100(%); and

a product obtained after a polymerization of the polymerizable group; and wherein the monomer unit of PMG is selected from monomer units represented by the formulae A-1 to A-15:

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 1, 2012
From: FUJIFILM CORPORATION
To: UDC IRELAND LIMITED
Reel/Frame 028889/0636 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 26, 2007
From: FUJIFILM HOLDINGS CORPORATION
To: FUJIFILM CORPORATION
Reel/Frame 018934/0001 →
CHANGE OF NAME Recorded Feb 15, 2007
From: FUJI PHOTO FILM CO., LTD.
To: FUJIFILM HOLDINGS CORPORATION
Reel/Frame 018898/0872 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 9, 2002
From: TAGUCHI, TOSHIKI; SAKURAI, SEIYA
To: FUJI PHOTO FILM CO., LTD.
Reel/Frame 013278/0251 →