Metal complexes bearing both electron transporting and hole transporting moieties

{
  "publication_number": "US6451455B1",
  "country": "US",
  "kind": "B1",
  "title": "Metal complexes bearing both electron transporting and hole transporting moieties",
  "abstract": "An organic light emitting device comprising a heterostructure for producing electro-luminescence. The heterostructure has a charge carrier layer that includes a compound having molecules having at least one electron transporting moiety that is a 2-methyl-8-quinolinolato ligand coordinated with a metal chosen from the group Al, Ga, and In, and at least one hole transporting moiety. For example, the compound may be bis(2-methyl-8-quinolinolato)[p-(N-phenyl-2-naphthylamino)phenolato]aluminum(III), bis(2-methyl-g-quinolinolato)p-carbazolphenolato)aluminum(III), or bis(2-methyl-8-quinolinolato)(m-carbazolphenolato)aluminum(III).",
  "claims": [
    "1. An organic light emitting device comprising a heterostructure for producing electro-luminescence, wherein the heterostructure comprises a charge carrier layer wherein the charge carrier layer comprises a compound having two 2-methyl-8-quinolinolato ligands coordinated with Al as electron transporting moieties and one triarylamine derivatized phenoxide as a hole transporting moiety.",
    "2. An organic light emitting device comprising a heterostructure for producing electro-luminescence, wherein the heterostructure comprises a charge carrier layer wherein the charge carrier layer comprises bis(2-methyl-8-quinolinolato)[p-(N-phenyl-2-naphthylamino)phenolato]aluminum(II).",
    "3. An organic light emitting device, comprising a heterostructure for producing electro-luminescence, wherein the heterostructure comprises a charge carrier layer wherein the charge carrier layer comprises bis(2-methyl-8-quinolinolato)(p-carbazolphenolato)aluminum(III).",
    "4. An organic light emitting device comprising a heterostructure for producing electro-luminescence, wherein the heterostructure comprises a charge carrier layer wherein the charge carrier layer comprises bis(2-methyl-8-quinolinolato)(m-carbazolphenolato)aluminum(III).",
    "5. The organic light emitting device of claim 1 wherein said charge carrier layer is an emissive layer.",
    "6. The organic light emitting device of claim 4, wherein said charge carrier layer is a separate emissive layer of a double heterostructure.",
    "7. The organic light emitting device of claim 4 wherein said charge carrier layer is an electron transporting layer of a single heterostructure.",
    "8. An organic light emitting device comprising a heterostructure for producing electro-luminescence, wherein the heterostructure comprises a charge carrier layer wherein the charge carrier layer comprises a compound having molecules having at least one electron transporting moiety, which is a 2-methyl-8-quinolinolato ligand coordinated with a metal selected from the group consisting of Al, Ga, and In, and at least one hole transporting moiety, wherein said charge carrier layer is an electron injector layer disposed between a cathode and an electron transporting layer.",
    "9. The organic light emitting device of claim 1, wherein said charge carrier layer comprises said compound doped with a dye.",
    "10. A display incorporating the organic light emitting device of claim 1.",
    "11. A vehicle incorporating the organic light emitting device of claim 1.",
    "12. A computer incorporating the organic light emitting device of claim 1.",
    "13. A television incorporating the organic light emitting device of claim 1.",
    "14. A printer incorporating the organic light emitting device of claim 1.",
    "15. A wall, theater, or stadium screen incorporating the organic light emitting device of claim 1.",
    "16. A billboard or a sign incorporating the organic light emitting device of claim 1.",
    "17. A method of fabricating an organic light emitting device comprising: preparing a heterostructure for producing electro-luminescence, wherein the preparation process includes the step of forming a charge carrier layer, wherein the charge carrier layer comprises a compound having two 2-methyl-8 quinolinolato ligands coordinated with Al as electron transporting moieties and one triarylamine derivatized phenoxide as a hole transporting moiety."
  ],
  "cpc": [
    "C07D 487/22",
    "C09K 11/06",
    "C09K 2211/1029",
    "C09K 2211/1033",
    "C09K 2211/1074",
    "C09K 2211/185",
    "C09K 2211/186",
    "H05B 33/28",
    "H10K 2101/10",
    "H10K 2102/3031",
    "H10K 50/11",
    "H10K 50/14",
    "H10K 85/30",
    "H10K 85/321",
    "H10K 85/324",
    "H10K 85/326",
    "H10K 85/631",
    "H10K 85/6572",
    "Y10S 428/917"
  ],
  "assignees": [
    "UNIV PRINCETON",
    "UNIV SOUTHERN CALIFORNIA"
  ],
  "filing_date": "1998-04-01",
  "publication_date": "2002-09-17",
  "grant_date": "2002-09-17",
  "priority_date": "1998-04-01",
  "application_number": "US-5303098-A",
  "family_id": "21981480",
  "citations": [
    "EP0704915A1",
    "JPH05198378A",
    "JPH05214332A",
    "JPH10219241A",
    "US5203974A",
    "US5281489A",
    "US5294870A",
    "US5457565A",
    "US5484922A",
    "US5540999A",
    "US5554220A",
    "US5703436A",
    "US5707745A",
    "US5717289A"
  ]
}