Nitrogen containing heterocycle derivative and organic electroluminescent element using the same
申请人:Idemitsu Kosan Co., Ltd.
公开号:US08097349B2
公开(公告)日:2012-01-17
A novel derivative of heterocyclic compound having nitrogen atom with a structure made by bonding special groups to benzimidazole, a material for an organic electroluminescence (EL) device comprising the derivative of heterocyclic compound having nitrogen atom and an organic electroluminescence device comprising at least one organic compound layer containing a light emitting layer sandwiched between a pair of electrodes, wherein the device contains the derivative of heterocyclic compound having nitrogen atom. An organic EL device achieving elevation of luminance and of efficiency in light emission even under low driving voltage is obtainable by an employment of the derivative of heterocyclic compound having nitrogen atom for at least one layer composing organic compound layers of the EL device.
NITROGEN-CONTAINING HETEROCYCLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING THE SAME
申请人:IDEMITSU KOSAN CO., LTD.
公开号:EP1602648A1
公开(公告)日:2005-12-07
A novel derivative of heterocyclic compound having nitrogen atom with a structure made by bonding special groups to benzimidazole, a material for an organic electroluminescence (EL) device comprising the derivative of heterocyclic compound having nitrogen atom and an organic electroluminescence device comprising at least one organic compound layer containing a light emitting layer sandwiched between a pair of electrodes, wherein the device contains the derivative of heterocyclic compound having nitrogen atom. An organic EL device achieving elevation of luminance and of efficiency in light emission even under low driving voltage is obtainable by an employment of the derivative of heterocyclic compound having nitrogen atom for at least one layer composing organic compound layers of the EL device.
NITROGENOUS HETEROCYCLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT EMPLOYING THE SAME
申请人:Yamamoto Hiroshi
公开号:US20070138950A1
公开(公告)日:2007-06-21
A novel heterocyclic derivative containing nitrogen having specific structure, and an organic EL device comprising at least one organic thin film layer comprising a light emitting layer interposed between a pair of electrodes consisting of an anode and a cathode in which at least one layer of the organic thin film layers comprises the novel heterocyclic derivative containing nitrogen singly or as its mixture component, are provided. By applying the heterocyclic derivative containing nitrogen to at least one organic layer, an organic EL device exhibits excellent emission luminance and current efficiency even at low electric voltage.