摘要:
Disclosed herein an electroluminescent device for converting an energy of an electric field applied directly to a light energy and capable of producing surface luminescent for a large area different from conventional incandescent lamps, fluorescent lamps or light emitting diodes.
摘要:
An organic electroluminescent device having an organic hole injection transport layer and an organic luminescent layer formed between two conductive layers constituting electrodes, wherein the organic luminescent layer contains a compound selected from the group consisting of a compound of the following formula (I): ##STR1## wherein each of A and B is an aromatic hydrocarbon group which may have a substituent, C is a nitrogen atom which may have a substituent, a sulfur atom, an oxygen atom, or a selenium atom, and D is a nitrogen atom, or a carbon atom which may have a substituent; a compound of the following formula (II): ##STR2## wherein each of E, F, G and .circle.H is an aromatic hydrocarbon group which may have a substitutent, I is a nitrogen atom which may have a substituent, a sulfur atom, an oxygen atom, or a selenium atom, and J is a hydrogen atom, a cyano group, an amide group, an ester group, an alkyl group, a carboxyl group, an aromatic hydrocarbon group which may be substituted, or an aromatic heterocyclic group which may be substituted; and a compound having at least one group selected from the group consisting of aromatic hydrocarbon cyclic groups and aromatic heterocyclics groups, bonded directly, or via other group, to a naphthyridine skeleton of the following formula: ##STR3##
摘要:
An electroluminesence device comprising an organic compound having positive-hole-transporting property and a fluorescent organic compound having electron-transporting property in its luminescence layer interposed between a pair of electrodes. When the electroluminescence device comprises a cyclopentadiene derivative having formula (I) as the fluorescent organic compound, the device can emit blue light which has not been attained so far: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each independently represent hydrogen, an alkyl group having 1 to 10 carbon atoms, which may have a substituent, an alicyclic group having 5 to 6 carbon atoms, an alkoxyl group having 1 to 6 carbon atoms, which may have a substituent, a halogen, an acyl group, a hydroxyl group, an aryloxy group, an aryl group which may have a substituent, an allyl group, or an aldehyde group.
摘要:
There is disclosed an EL element having at least one layer made from organic materials between an electron injection electrode and a hole injection electrode, the organic materials consisting of oxadiazole series compounds which have a plurality of oxadiazole rings.
摘要:
An electroluminescence device containing a first organic compound having positive-hole-transporting and luminous properties, such as a triphenyl amine compound, a stilbene derivative or a pyrazoline derivative, and a second organic compound having electron-transporting property, such as an oxadiazole derivative, in its luminescence layer interposed between a pair of electrodes.
摘要:
The thin-film electroluminescent device of the present invention comprises a thin film of a polyoxadiazole derivative represented by the formula: ##STR1## wherein each of X.sub.0 and Y.sub.0 independently represents a divalent organic group which may comprise a silicon atom, and n is an integer of 2 or greater,formed as an electroluminescent layer or a charge injecting/transporting layer between electrodes, at least one thereof being transparent. This thin-film electroluminescent device is excellent not only in electroluminescence and capability of charge injection/transport to thereby ensure high light emission efficiency but also in durability such as heat resistance.
摘要:
A cassette adapter which makes it possible for a second cassette which accommodates a circular wafer of a diameter of 200 mm to be used on a load port ready for a first cassette which accommodates a different circular wafer of another diameter of 300 mm is locked to the load port by an adapter main body locking apparatus. The locking apparatus includes a locking air cylinder serving as a locking member for locking the first cassette to a carrier base of the load port, and a locking target member provided integrally on a rear face of an adapter plate of the cassette adapter for disengageably engaging with a locking pawl at an end of a rod of the air cylinder. A seating sensor mechanism detects that the second cassette is seated at a correct position on the adapter plate.
摘要:
A cassette adapter which makes it possible for a second cassette which accommodates a circular wafer of a diameter of 200 mm to be used on a load port ready for a first cassette which accommodates a different circular wafer of another diameter of 300 mm is locked to the load port by an adapter main body locking apparatus. The locking apparatus includes a locking air cylinder serving as a locking member for locking the first cassette to a carrier base of the load port, and a locking target member provided integrally on a rear face of an adapter plate of the cassette adapter for disengageably engaging with a locking pawl at an end of a rod of the air cylinder. A seating sensor mechanism detects that the second cassette is seated at a correct position on the adapter plate.