Silanamine derivative and process for the production thereof, and organical EL device using the said silanamine derivative
申请人:IDEMITSU KOSAN COMPANY LIMITED
公开号:EP0563811A1
公开(公告)日:1993-10-06
Silanamine derivatives which have the formula (I),
wherein each of Ar¹s and Ar³s is an optionally substituted aryl group and Ar² is an optionally substituted arylene group, and
which are used as a material for producing an organic EL device.
Organic electroluminescent devices having improved power conversion efficiencies
申请人:EASTMAN KODAK COMPANY
(a New Jersey corporation)
公开号:EP0120673A2
公开(公告)日:1984-10-03
Electroluminescent devices are disclosed comprising a hole-injecting zone and an adjacent organic luminescent zone, having a combined thickness no greater than about 1 micron, which have a power conversion efficiency of at least 9 x 10-5 w/w. Preferred electron-transporting compounds for the luminescentzone provide a maximum electroluminescent quantum efficiency of at least 5 ×10-4 photons/electron when tested as described.
已公开的电致发光器件包括一个空穴注入区和一个相邻的有机发光区,其总厚度不超过约 1 微米,功率转换效率至少为 9 x 10-5 w/w。用于发光区的优选电子传递化合物在进行所述测试时,可提供至少 5 ×10-4 光子/电子的最大电致发光量子效率。
ORGANIC ELECTROLUMINESCENT ELEMENT
申请人:IDEMITSU KOSAN COMPANY LIMITED
公开号:EP0548366A1
公开(公告)日:1993-06-30
An organic electroluminescent element with high luminance, high light emission efficiency and long service life, comprising a specified oxadiazole or thiadiazole compound, and usable effectively in the field of chemical industry.
ORGANIC ELECTROLUMINESCENT ELEMENT AND ARYLENEDIAMINE DERIVATIVE
申请人:IDEMITSU KOSAN COMPANY LIMITED
公开号:EP0721935A1
公开(公告)日:1996-07-17
Organic electroluminescence devices having the life of light emission superior to those of conventional electroluminescence devices, and novel arylenediamine derivatives which can remarkably improve the life of light emission of an organic electroluminescence device when the derivatives are used as a component of the device, are disclosed.
The organic electroluminescence devices of the present invention at least contain a p-phenylenediamine derivative having 6 or more benzene ring skeletons, or at least a 4,4'-biphenylenediamine derivative having 5 biphenyl groups.
The arylenediamine derivatives of the present invention include p-phenylenediamine derivatives having 4 biphenyl groups and 4,4'-biphenylenediamine derivatives having 5 biphenyl groups.
ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC THIN FILM, AND TRIAMINE COMPOUNDS
申请人:IDEMITSU KOSAN COMPANY LIMITED
公开号:EP0805143A1
公开(公告)日:1997-11-05
The present invention provides a triamine compound represented by general formula (I):
an organic luminescence device which comprises an organic layer and a pair of electrodes disposed on both sides of the organic layer wherein the organic layer at least contains a layer of a light emitting zone and a layer of a hole transporting zone which comprises a hole injecting layer containing the triamine compound and a hole transporting layer, and an organic thin film comprising two layers which are a layer containing a compound represented by general formula (I) and having a thickness of 5 nm to 5 µm and a layer containing a compound represented by general formula (II):
and having a thickness of 5 nm to 5 µm. According to the present invention, an organic electroluminescence device which has little possibility of dielectric breakdown after storage for a long time and shows a remarkably high efficiency of light emission, an organic electroluminescence device which shows a remarkable stability of light emission after continuous use for a long time and has a long life, and an organic thin film which shows excellent hole injecting and transporting properties can be provided.