- Phenothiazines, S-Oxides, And S,S-Dioxides As Well As Phenoxazines As Emitters For Oleds
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The use of phenoxazine, phenothiazine, phenothiazine S-oxide or phenothiazine S,S-dioxide derivatives as emitter substances in organic light-emitting diodes, an organic light-emitting diode comprising a light-emitting layer, the light-emitting layer comprising at least one phenoxazine, phenothiazine, phenothiazine S-oxide or phenothiazine S,S-dioxide derivative as an emitter substance, and a light-emitting layer comprising or consisting of the aforementioned phenoxazine, phenothiazine-phenothiazine, phenothiazine S-oxide or phenothiazine S,S-dioxide derivative as an emitter substance, a hole- and exciton-blocking layer comprising or consisting of the aforementioned phenoxazine derivative, phenothiazine derivative, phenothiazine S-oxide derivative or phenothiazine S,S-dioxide derivative, and a device which comprises an inventive organic light-emitting diode. The present invention further relates to specific phenothiazine S,S-dioxide derivatives, phenothiazine S-oxide derivatives and phenothiazine derivatives and production processes thereof, and to their use in organic light-emitting diodes.
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- Selective oxidaton methods for preparation of N-alkylphenothiazine sulfoxides and sulfones
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Efficient and selective oxidation methods for preparation of N-alkylphenothiazine sulfoxides 2a-h and sulfones 3a-h starting from N-alkylphenothiazines 1a-h are described.
- Tosa, Monica,Paizs, Csaba,Majdik, Cornelia,Poppe, Laszlo,Kolonits, Pal,Silberg, Ioan A.,Novak, Lajos,Irimie, Florin-Dan
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p. 277 - 282
(2007/10/03)
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