[EN] DIBENZOFURAN AND DIBENZOTHIOPHENE DERIVATIVES AND ORGANIC LIGHT-EMITTING DEVICES CONTAINING THEM<br/>[FR] DÉRIVÉS DE DIBENZOFURANE ET DE DIBENZOTHIOPHÈNE ET DISPOSITIFS ÉLECTROLUMINESCENTS ORGANIQUES LES CONTENANT
申请人:CAMBRIDGE DISPLAY TECH LTD
公开号:WO2017153731A1
公开(公告)日:2017-09-14
A compound of formula (I) wherein Z is a group of formula (II) and Core is selected from groups of formula (IIIa) or (IIIb) wherein X is S or O; R1 is a substituent; n is 0 or a positive integer; Ar1 independently in each occurrence is an arylene group; R2 is a substituent; R3 is a substituent; R4 is an arylene or heteroarylene group; Y is C or Si; a is 1, 2 or 3; b is 0 or a positive integer; and c is 0 or a positive integer. The compound of formula (I) may be used as a host for a light-emitting dopant in an organic light-emitting device.
To provide a novel diamine, and a polyimide precursor and a polyimide using it. A diamine represented by the formula (1):
wherein each of X
1
and X
5
which are independent of each other, is a single bond or the like; each of X
2
and X
4
which are independent of each other, is —CH
2
— or the like; X
3
is a C
1-6
alkylene or the like; each of Y
1
and Y
2
which are independent of each other, is a single bond or the like; R is a C
1-20
linear, branched or cyclic hydrocarbon group; and a is 0 or 1).
Rational design of two-dimensional covalent tilings using a <i>C</i><sub>6</sub>-symmetric building block <i>via</i> on-surface Schiff base reaction
作者:Cheng Lu、Yang Li、Li-Mei Wang、Hui-Juan Yan、Long Chen、Dong Wang
DOI:10.1039/c8cc08801b
日期:——
Two-dimensional covalent triangular, rhombille and semi-regular tilings are constructed successfully using C6-symmetric building blocks via on-surface Schiff base reaction.
使用C6对称的构建基块,通过表面上的Schiff碱反应成功构建了二维共价三角形、菱形和半规则铺砌。
PHOTOSENSITIVE RESIN COMPOSITION, POLYAMIDE RESIN, METHOD FOR PRODUCING POLYAMIDE RESIN, COMPOUND, METHOD FOR PRODUCING COMPOUND, METHOD FOR PRODUCING CURED FILM, AND CURED FILM
申请人:TOKYO OHKA KOGYO CO., LTD.
公开号:US20180107114A1
公开(公告)日:2018-04-19
A photosensitive resin composition capable of forming a cured film with satisfactory adhesion to substrates and excellent transparency, a polyamide resin which is used in the photosensitive resin composition, a method for producing the polyamide resin, a compound which is used as a raw material of the polyamide resin, a method for producing the compound, a method for producing a cured film using the photosensitive resin composition, and a cured film which is obtained by curing the photosensitive resin composition. The photosensitive resin composition including a resin and a photopolymerization initiator. The resin is a polyamide resin including a structural unit, which includes a specific saturated alicyclic skeleton, and at least one carboxy group esterified by a unit containing a polymerizable group of a predetermined structure.
The present invention provides an organic EL device having at least an anode, a first hole transport layer, a second hole transport layer, a luminous layer, an electron transport layer, and a cathode in this order, wherein the second hole transport layer contains an arylamine compound represented by the following general formula (1), and the electron transport layer contains a pyrimidine derivative represented by the following general formula (2). The organic EL device of the present invention has a high efficiency, and is driven at a low driving voltage. Further, it has a particularly long lifetime.