Organic electroluminescent device

Details Organic electroluminescent device Organic electroluminescent device

Filed on

1998-04-02

Date issued

2000-09-19

Examiner

Day, Michael H.

Patent Class

Electric lamp and discharge devices

SubClass

With luminescent solid or liquid material

SubSubClass

Solid-state type

Other Related Categories

315506, H05B 3322

Type

Patent

Status

active

Patent number

061217271

Description

ABSTRACT:
An organic electroluminescent device including an anode, an organic luminescent layer adjacent to the anode, a cathode interface layer adjacent to the organic luminescent layer and a cathode adjacent to the cathode interface layer. The cathode interface layer includes at least one compound selected from a halide of a metal of Group 3A of the Periodic Table, a halide of a metal of the lanthanide series of the Periodic Table, and a complex halide compound of at least two metal elements.

REFERENCES:
patent: 4764625 (1988-08-01), Turner et al.
patent: 4923774 (1990-05-01), Van der Auweraer et al.
patent: 4950950 (1990-08-01), Perry et al.
patent: 5445899 (1995-08-01), Budzilek et al.
patent: 5677572 (1997-10-01), Hung et al.
patent: 5739635 (1998-04-01), Wakimoto
patent: 5776622 (1998-07-01), Hung et al.
patent: 5776623 (1998-07-01), Hung et al.
Yoshihiko Mori, et al., Applied Physics, vol. 61, pp. 1044-1047, Preparation of Organic Electroluminescent Devices by Dipcoating, 1992 (with English Translation) (no month).
Shizuo Tokito, et al., Lecture Draft of the 43.sup.rd Lecture of Applied Physics Association, p. 1122, 27a-SY-9, "Organic El Devices With Metal Oxides as a Hole-Injecting Layer", 1996 (with English Translation) (no month).
Manabu Uchida, et al., Lecture Draft of The 70.sup.th Spring Annual Meeting of Japan Chemistry Association, 2D102 and 2D103, "Organic El Devices Using Silole Derivatives", 1996 (with English Translation) (no month).
C. W. Tang, et al., Appl. Phys. Lett., vol. 51, No. 12, pp. 913-915, Sep. 21, 1987, "Organic Electroluminescent Diodes".
Chihaya Adachi, et al., Appl Phys Lett., vol. 55, No. 15, pp. 1489-1491, Oct. 9, 1989, "Organic Electroluminescent Device Having a Hole Conductor as an Emitting Layer".
D. Braun, et al., Appl. Phys. Lett., vol. 58, No. 18, pp. 1982-1984, May 6, 1991, "Visible Light Emission from Semiconducting Polymer Diodes".
Junji Kido, et al., Appl. Phys. Lett., vol. 59, No. 21, pp. 2760-2762, Nov. 18, 1991, "Poly(methylphenylsilane) Film as a Hole Transport Layer in Electroluminescent Devices".
Yong Cao, et al., Appl. Phys. Lett., vol. 60, No. 22, pp. 2711-2713, Jun. 1, 1992, "Solution-Cast Films of Polyaniline: Optical-Quality Transparent Electrodes".
A. R. Brown, et al., Appl. Phys. Lett., vol. 61, No. 23, pp. 2793-2795, Dec. 7, 1992, "Poly(p-phenylenevinylene)Light-Emitting Diodes: Enhanced Electroluminescent Efficiency Through Charge Carrier Confinement".
Y. Yang, et al., Appl. Phys. Lett., vol. 64, No. 10, pp. 1245-1247, Mar. 7, 1994, "Polyaniline as a Transparent Electrode for Polymer Light-Emitting Diodes: Lower Operation Voltage and Higher Efficiency".
L. S. Hung, et al., Appl. Phys. Lett., vol. 70, No. 2, pp. 152-154, Jan. 13, 1997, "Enhanced Electron Injection in Organic Electroluminescence Devices Using an AL/LIF Electrode".
F. Li, et al., Appl. Phys. Lett., vol. 70, No. 10, pp. 1233-1235, Mar. 10, 1997, "Fabrication and Electroluminescence of Double-Layered Organic Light-Emitting Diodes with the Al.sub.2 O.sub.3 /Al Cathode".
C. W. Tang, et al., J. Appl. Phys., vol. 65, No. 9, pp. 3610-3616, May 1, 1989, "Electroluminescence of Doped Organic Thin Films".
D. Braun, et al., J. Appl. Phys., vol. 72, No. 2, pp. 564-568, Jul. 15, 1992, "Electroluminescence and Electrical Transport in Poly(3-octylthiophene) Diodes".
J. H. Burroughes, et al., Nature, vol. 347, pp. 539-541, Oct. 11, 1990, "Light-Emitting Diodes Based on Conjugated Polymers".
G. Gustafsson, et al., Nature, vol. 357, pp. 477-479, Jun. 11, 1992, "Flexible Light-Emitting Diodes Made from Soluble Conducting Polymers".
D. Braun, et al., Thin Solid Films, vol. 216, pp. 96-98, 1992, "Electroluminescence from Light-Emitting Diodes Fabricated from Conducting Polymers", (no month).
Yutaka Ohmori, et al., Japanese Journal Applied Physics, vol. 30, No. 11B, pp. L1938-L1940, Nov. 1991, Visible-Light Electroluminescent Diodes Utilizing Poly(3-alkylthiophene).
Milan Stolka, et al., Journal Polymer Science, Polymer Chemical Editoion, vol. 21, pp. 269-283, 1983, "Photoconductivity and Hole Transport in Polymers of Aromatic Amine-Containing Methacrylates", (no month).
P. M. Borsenberger, et al., Phys. Stat. Sol (a), vol. 142, pp. 489-497, 1994, "Electron Transport in 2-t-butyl-9, 10-N,N'-Dicyanoanthraquinonediimine", (no month).
A. Kraft, et al., Synthetic Metals, vol. 55-57, pp. 4163-4167, 1993, "Hole-Transporting Compounds for Multi-Layer Polymer Light-Emitting Diodes", (no month).
Database WPI, Derwent Publications, JP 59-194393, Nov. 5, 1984.
Database WPI, Derwent Publications, JP 2-311591, Dec. 27, 1990.
Database WPI, Derwent Publications, JP 3-269084, Nov. 29, 1991.
Database WPI, Derwent Publications, JP 4-129271, Apr. 30, 1992.
Database WPI, Derwent Publications, JP 4-175395, Jun. 23, 1992.
Database WPI, Derwent Publications, JP 4-264189, Sep. 18, 1992.
Database WPI, Derwent Publications, JP 4-290851, Oct. 15, 1992.
Database WPI, Derwent Publications, JP 4-304466, Oct. 27, 1992.
Database WPI, Derwent Publications, JP 4-308688, Oct. 30, 1992.
Database WPI, Derwent Publications, JP 4-364153, Dec. 16, 1992.
Database WPI, Derwent Publications, JP 5-025473, Feb. 2, 1993.
Database WPI, Derwent Publications, JP 5-159882, Jun. 25, 1993.
Database WPI, Derwent Publications, JP 5-198380, Aug. 6, 1993.
Database WPI, Derwent Publications, JP 5-234681, Sep. 10, 1993.
Database WPI, Derwent Publications, JP 5-239455, Sep. 17, 1993.
Database WPI, Derwent Publications, JP 5-320634, Dec. 3, 1993.
Database WPI, Derwent Publications, JP 6-001972, Jan. 11, 1994.
Database WPI, Derwent Publications, JP 6-049079, Feb. 22, 1994.
Database WPI, Derwent Publications, JP 6-025659, Feb. 1, 1994.
Database WPI, Derwent Publications, JP 5-310949, Nov. 22, 1993.
Database WPI, Derwent Publications, JP 7-053953, Feb. 28, 1995.
Database WPI, Derwent Publications, JP 7-138562, May 30, 1995.
Database WPI, Derwent Publications, JP 7-252474, Oct. 3, 1995.

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