P-Terphenyl Compound And Photosensitve Body For Electrophotography Using Such Compound
申请人:Abe Katsumi
公开号:US20080076050A1
公开(公告)日:2008-03-27
The present invention provides p-terphenyl compounds represented by the following general formula (
1
) and (
2
):
and an electrophotographic photoconductor containing the compound. According to the invention, a charge transporting agent having improved solubility in an organic solvent and an electrophotographic photoconductor excellent in drift mobility and having high sensitivity and high durability are provided.
P-Terphenyl compound and electrophotographic photoconductor using the same
申请人:Hodogaya Chemical Co., Ltd.
公开号:EP2518046B1
公开(公告)日:2014-12-10
ORGANIC ELECTROLUMINESCENT DEVICE
申请人:Hodogaya Chemical Co., Ltd.
公开号:US20190115542A1
公开(公告)日:2019-04-18
An organic electroluminescent device having a capping layer composed of material having a high refractive index, excelling in thin film stability and durability and having no absorption in the respective wavelength ranges of blue, green, and red is provided to improve device characteristics of the organic electroluminescent device, particularly to greatly improve light extraction efficiency. The organic electroluminescent device has at least an anode electrode, a hole transport layer, a light emitting layer, an electron transport layer, a cathode electrode, and the capping layer in this order, wherein the capping layer contains an arylamine compound (X) having a structure in which two triphenylamine structures are joined within a molecule via a single bond or a divalent group that does not contain a heteroatom.
US7799492B2
申请人:——
公开号:US7799492B2
公开(公告)日:2010-09-21
P-TERPHENYL COMPOUND AND PHOTOSENSITIVE BODY FOR ELECTROPHOTOGRAPHY USING SUCH COMPOUND