Toyo Ink Manufacturing Company

Toshikazu Onikubo

Toshio Enokida

Michiko Tamano

Satoshi Okutsu

Tadashi Ogawa

Toshiyuki Uemura

Masato Yanagi

Kouichi Iibuchi

Tsukasa Otsuki

A light-emitting material which serves to emit light having a high brightness and is almost free of deterioration in light emission, and an organic EL device for which the light-emitting material is adapted, the material having the formula &lsqb;1&rsqb;,

Light-emitting material for organo-electroluminescence device and for organic electroluminescence device which the material is applied

A hole-injecting material for an organic EL device, having excellent hole-injecting capability and durability and having the formula &lsqb;I&rsqb;, &lsqb;II&rsqb; or &lsqb;III&rsqb; specified in claim,and an organic electroluminescence device obtained by forming either a light-emitting layer or a plurality of organic compound thin layers including the light-emitting layer between a pair of electrodes composed of a cathode and an anode, wherein at least one layer contains the above material.

Material for organoelectroluminescence device and use thereof

A hole-injecting material for an organic EL device, having excellent hole-injecting capability and durability and having the formula [I], [II] or [III] specified in claim 1, and an organic electroluminescence device obtained by forming either a light-emitting layer or a plurality of organic compound thin layers including the light-emitting layer between a pair of electrodes composed of a cathode and an anode, wherein at least one layer contains the above material.

Material for organoelectro-luminescence device and use thereof

A material for an organic EL device, having excellent capability of injecting holes from a metal electrode and having durability, and an organic EL device which is imparted with excellent stability in the repeated use for light emission by using the above material, the material having the formula (1), (6) or (7) as specified in claim 1.

Material for organoelectroluminescence device and

Hole-transporting materials of the following formula (1) have excellent hole-transporting capability and excellent durability,

Hole-transporting material and use thereof

A hole-transporting material having excellent hole transportation capability and excellent durability, and an organic EL device and an electrophotographic photoconductive drum for which the above hole-transporting material is adapted and which have excellent stability in the repetitive use.

Hole-transporting material and its use

A curable adhesive composition comprising an unsaturated polyester oligomer (A) of any of the following formulae (I) to (IV), obtained by reacting a compound (a) having a hydroxyl group and/or an amino group, a cyclic acid anhydride (b) and an epoxide (c) having an ethylenically unsaturated group, and an adhesive polymer (B), ##STR1## wherein: R.sub.1 is a divalent organic moiety having 1 to 40 carbon atoms,

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Tokyo, Japan

Toshikazu Onikubo