Abstract:
The present invention relates to compounds of formula (I), a process for their production and their use in electronic devices, especially electroluminescent devices. When used as electron transport and/or host material for phosphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.
Abstract:
The present invention provides an organic electronic device including a first electrode, a second electrode, and an organic layer interposed between the first electrode and the second electrode, wherein the organic layer comprises an organic metal complex of formula (I), and a compound of formula (II). Organic light emitting devices (OLEDs) having superior life time, power efficiency, quantum efficiency and/or a low operating voltage are obtained, when the organic layer comprising the compounds of formula I and II constitutes the electron transport layer of an OLED.
Abstract:
Disclosed are electroluminescent materials comprising a homopolymer based on recurring structural units of the formula (I) wherein R 9 , R 9' R 9" , R 11 , R 13 R 14 , R 11' , R 13' , R 14' independently are H or an organic substituent, where at least one of R 9 , R 9' R 9" , R 11 , R 13 R 14 , R 11' , R 13' , R 14' comprises a group R 10 of the formula -(Sp) x10 -[PG']
Abstract:
Optical recording medium suitable for optical recording with a laser of wavelength from 350 to 500 nm, especially about 405 nm, wherein the recording track comprises a compound of formula [(L 1 )M 1 (L 2 )] m- Z 1+ (I), or a mesomeric or tautomeric form thereof, wherein L 1 and L 2 independently of one another are divalent, heterocyclic azo ligands of the formula (I) M 1 is a metal cation in the oxidation state +3, a hydroxy or halogeno metal group wherein the metal is in the oxidation state +4, or an oxo metal group wherein the metal is in the oxidation state +5; m is 1 ; n is an integer 1 , 2 or 3; and Z 1 is a cation of the formula (a), (b) or (c).
Abstract translation:光学记录介质适用于波长为350至500nm,特别是约405nm的激光的光学记录,其中记录轨道包含式[(L 1 H 1)M 1的化合物, (L 2)]其中L (I),或其互变异构体或互变异构形式,其中L
Abstract:
The invention relates to an optical recording medium comprising a substrate, a recording layer and optionally one or more reflecting layers, wherein the recording layer comprises a compound of formula (I). For the detailed definitions of the further substituents, see the description. Recording and playback are effected especially at a wavelength of from 300 to 500 nm, for example using a blue laser. The recording and playback quality is excellent and allows a high storage density even at high speeds.
Abstract:
The invention relates to novel o ptical recording materials that comprise specific and in some cases novel diketone enamines or metal chelates thereof and that have excellent recording and playback quality especially ata wavelength of 350-500 nm. The invention accordingly relates to an optical recording medium comprising a substrate, a recording layer and optionally a reflecting layer, wherein the recording layer comprises a compound of formula (I), wherein M is hydrogen, aluminium or, preferably, a transition metal, which may in addition be coordinated with one or more further ligands and/or, for balancing out an excess charge, where applicable, may have an electrostatic interaction with one or more further ions inside or outside the coordination sphere, but M in formulae (Ib) and (Ic) is not hydrogen, Q is C-H, N or C-R 6 , it being possible for the stereochernistry of the C=Q double bond to be either E or Z. For the exact definitions of R 1 to R 6 reference should be made to the description. Also claimed are the novel compounds, especially tetracoordinated chelates, and a process for the preparation thereof.
Abstract:
This invention relates to a phthalocyanine or its metal complex of a divalent metal, oxometal, halogenometal or hydroxymetal, which comprises at least one unsubstituted or substituted formyl, carbonyl, hydroxymethyl or carboxyl group which is attached at the peripheral carbon skeleton. These phthalocyanines or their derivatives are used in recording layers of optical recording media. There is also claimed a novel process for the preparation of some of these compounds corresponding to formula (III),wherein M is div alent metal, oxometal, halogenometal or hydroxymetal, or 2 hydrogen atoms, X is halogen, or 2 X in vicinal position on a phenyl ring form together a -C=C-C=C- bridge so that an additional phenyl ring is obtained, Y is -OR1, -OOC-R2, -NHR1, -N(R1)R2 or -SR1, x is 0 or a number from 1 to 8, y depending on z is a number from z to 4, and z is a number from 1 to 4, by reacting a compound of formula (IV), wherein M, X, Y, x and y are as defined in formula (III), with z mol each of dimethylformamide and phosphoryl chloride.
Abstract translation:本发明涉及一种二价金属,氧化金属,卤素金属或羟基金属的酞菁或其金属络合物,其包含至少一个在外围碳骨架附着的未取代或取代的甲酰基,羰基,羟甲基或羧基。 这些酞菁或其衍生物用于光记录介质的记录层。 还要求一种用于制备对应于式(III)的一些这些化合物的新方法,其中M是疏水金属,氧化金属,卤素金属或羟基金属,或2个氢原子,X是卤素,或2位在相邻位置 在苯环上形成一个-C = C C = C-桥,使得得到另外的苯环,Y是-OR1,-OOC-R2,-NHR1,-N(R1)R2或-SR1,x为0 或数字1至8,y取决于z是z至4的数,z为1至4的数,通过使式(IV)化合物(其中M,X,Y,x和y) 如式(III)中所定义,zmol为二甲基甲酰胺和磷酰氯。
Abstract:
The present invention relates to compounds of formula (I), a process for their production and their use in electronic devices, especially electroluminescent devices. When used as host material for phasphorescent emitters in electroluminescent devices, the compounds of formula (I) may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.
Abstract:
The present invention relates to compounds of formula (I), or (II), a proc ess for their production and their use in electronic devices, especially electroluminescent devices. When used as electron transport material in electroluminescent devices, the compounds of formula I, or II may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.
Abstract:
Novel electrophosphorescent copolymers of the composition [A1]x1, [A2]x2, [A3]x3, [A4]x4, [A5]x5 wherein the structural units A1, A2, A3, A4 and/or A5 are in blocks or at random, and the copolymer is linear or crosslinked, and A1 is an organic radical of a phosphorescent light emitting moiety; A2 is an organic radical providing host functionality; A3 is an organic radical providing electron transport functionality; A4 is an organic radical providing hole transport functionality; A5 is a radical derived from aliphatic or aromatic organic monomers; x1 is a number from 1 to about 1000; x2, x3, x4 and x5 independently are numbers from 0 to about 100 000, with the proviso that the sum (x1 + x2 + x3 + x4 + x5) is at least 5, especially greater than 9; are characterized in that A1 contains a metal benzotriazole complex moiety or A2 is selected from repeating unit(s) of the formulae (III), (IV), where the symbols are as defined in claim 1. The novel copolymers are useful as active materials e.g. in electroluminescent devices.