Fluorene-based alternating copolymers for electroluminescence el

Details Fluorene-based alternating copolymers for electroluminescence el Fluorene-based alternating copolymers for electroluminescence el

1996-11-26

1998-09-15

Mosley, Terressa

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

313507, 428457, 428690, 428917, 528176, 528271, 528330, 528392, C08G 6300

Patent

active

058079742

ABSTRACT:
The present invention relates to a fluorene-based alternating copolymer to be used as light emitting materials of electroluminescent elements having the following formula (I), and further relates to electroluminescent elements having an anode/luminescent layer/cathode structure, in which the fluorene-based alternating copolymer used as light emitting materials of the luminescent layer, or having a transporting and/or reflection layer added thereto, if necessary, is ##STR1## where R, R', X, Ar and n are defined in the text.

REFERENCES:
patent: 3401152 (1968-09-01), Wessling et al.
patent: 5069975 (1991-12-01), Nakada et al.
patent: 5121029 (1992-06-01), Hosokawa et al.
C. Zhang et al., "Blue electroluminescent diodes utilizing blends of poly(p-phenylphenylene vinylene) in poly(9-vinylcarbazole)", Synthetic Metals, 62 (1994) 35-40.
Katsumi Yoshino et al., "Gel chromism and anamalous luminescence in poly(3-alkylthiophene)", Synthetic Metals, 49-50 (1992) 491-497.
Michael E. Wright et al., "Organic NLO Polymers. 2. A Study of Main-Chain and Guest-Host X.sup.(2) NLO Polymers: NLO-phore Structure Versus Poling", Macromolecules 1994, 27, 3009-3015.
Yutaka Ohmori et al., "Blue Electroluminescent Diodes Utilizing Poly(alkylfluorene)", Japanese Journal of Applied Physics, vol. 30, No. 11B, Nov., 1991, pp. L1941-L1943.
Wai-Kin Chan et al., "Studies of Functionalized Poly(phenylenevinylene)s", Macromolecules 1995, 28, 6410-6415.
M.R. Andersson et al., "Electroluminescence from Substituted Poly(thiophenes): From Blue to Near-Infrared", Macromolecules 1995, 28, 7525-7529.
Gabriele Grem et al., "Realization of a Blue-Light-Emitting Device using Poly(p-phenylene)", Advanced Materials, 4 (1992) No. 1, pp. 36-37.
Paul L. Burn et al., "Syntheses of a Segmented Conjugated Polymer Chain Giving a Blue-shifted Electroluminescence and Improved Efficiency", J. Chem. Soc., Chem. Commun., 1992, pp. 32-34.
C.W. Wang et al., "Organic electroluminescent diodes", Appl. Phys. Lett. vol. 51, No. 12, Sep. 21, 1987, pp. 913-915.
J.H. Burroughes et al., "Light-emitting diodes based on conjugated polymers", Letters To Nature, vol. 347, Oct. 11, 1990, pp. 539-541.

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