[EN] ELECTROCHROMIC COMPOUNDS AND OPTICAL ARTICLES CONTAINING THEM [FR] COMPOSÉS ÉLECTROCHROMIQUES ET ARTICLES OPTIQUES LES CONTENANT
摘要:
The invention relates to a group of novel electrochromic compounds. More specifically, it relates to benzazoles and condensed azole compounds substituted with one or several pyridinium rings and the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.
[EN] ELECTROCHROMIC COMPOUNDS AND OPTICAL ARTICLES CONTAINING THEM [FR] COMPOSÉS ÉLECTROCHROMIQUES ET ARTICLES OPTIQUES LES CONTENANT
摘要:
The invention relates to a group of novel electrochromic compounds. More specifically, it relates to benzazoles and condensed azole compounds substituted with one or several pyridinium rings and the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.
PHENANTHRENE DERIVATIVE, AND MATERIAL FOR ORGANIC EL ELEMENT
申请人:Kawamura Masahiro
公开号:US20100331585A1
公开(公告)日:2010-12-30
A phenanthrene derivative is represented by a formula (1) below. In the formula (1), Ar
1
and Ar
2
each represent an aromatic hydrocarbon ring group having 6 to 18 carbon atoms for forming the ring. The aromatic hydrocarbon ring group contains none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. R
1
represents a substituent, the number of which may be 0, 1 or more. R
1
may be bonded in any position of the phenanthrene skeleton. n and m each represent an integer of 1 to 3. k represents an integer of 0 to 8.
NAPHTHALENE DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
申请人:Kawamura Masahiro
公开号:US20090008607A1
公开(公告)日:2009-01-08
A naphthalene derivative represented by the following formula (1) is provided. In the formula (1), Ar
1
and Ar
2
each represent an aromatic hydrocarbon cyclic group having 6 to 18 carbon atoms forming a ring. The aromatic hydrocarbon cyclic group has none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. Ar
3
represents a benzene skeleton or a naphthalene skeleton. R
1
and R
2
each represent an alkyl group, a cycloalkyl group, an alkoxy group, a cyano group, a silyl group or a halogen atom. a and b each represent an integer in a range of 0 to 4. m and n each represent an integer in a range of 1 to 4.
ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE
申请人:Nishimura Kazuki
公开号:US20090045730A1
公开(公告)日:2009-02-19
An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. The organic thin-film layer includes at least one emitting layer. The at least one emitting layer contains at least one phosphorescent material and a host material represented by the following formula (1).
Ra-Ar
1
-Rb (1)
In the formula, Ar
1
, Ra and Rb each represent a substituted or unsubstituted benzene ring or a condensed aromatic hydrocarbon ring selected from a substituted or unsubstituted naphthalene ring, a substituted or unsubstituted chrysene ring, a substituted or unsubstituted fluoranthene ring, a substituted or unsubstituted phenanthrene ring, a substituted or unsubstituted benzophenanthrene ring, a substituted or unsubstituted dibenzophenanthrene ring, a substituted or unsubstituted triphenylene ring, a substituted or unsubstituted benzo[a]triphenylene ring, a substituted or unsubstituted benzochrysene ring, a substituted or unsubstituted benzo[b]fluoranthene ring and a substituted or unsubstituted picene ring. Substituents for Ra and Rb are not aryl groups.
MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTROLUMINESCENT ELEMENT
申请人:Takashima Yoriyuki
公开号:US20110315965A1
公开(公告)日:2011-12-29
An organic electroluminescence device and a material for producing the organic electroluminescence device. The organic electroluminescence device includes an organic thin film layer between a cathode and an anode, the organic thin film layer including one or more layers, in which the organic thin film layer includes one or more light emitting layers and at least one of the light emitting layers includes a phosphorescent material and a host material. The host material has an essential structure in which a naphthalene ring is bonded to a fluorene skeleton, dibenzofuran skeleton, or dibenzothiophene skeleton. The organic electroluminescence device is a phosphorescent device having high efficiency and long lifetime.
An organic electroluminescent device, including: a cathode; an anode; and organic layers including at least an emitting layer and an electron-transporting layer between the cathode and the anode, the electron-transporting material with the slowest electron mobility constituting the electron-transporting layer having an electron mobility of 2.0×10-5 cm2/Vs or more in an electric field intensity of 0.4 to 0.5 MV/cm, the electron mobility/hole mobility (ΔEM) of a host material constituting the emitting layer, and the electron mobility/hole mobility (ΔET) of the electron-transporting material with the slowest electron mobility constituting the electron-transporting layer satisfying the following relationship: ΔET > 1, 0.3 ≤ ΔEM ≤ 10, and ΔET > ΔEM.