摘要:
A light-emitting layer contains a host and a light-emitting anthracene compound bearing a 10-ethynyl moiety as the predominant light-emitting compound in the layer. Embodiments of the invention provide desirable luminance efficiency, hue and/or operational stability.
摘要:
An electroluminescent device comprises a cathode, an anode, and therebetween a layer containing a host material and an ethynyl compound of Formula (1): in an amount sufficient to stabilize the device wherein A and B represent independently selected fused carbocyclic ring groups.
摘要:
An electroluminescent device comprises a light emitting layer including an anthracene material bearing at least one aryl ring in the 2-position and having a hydrogen or an alkyl group in the 6-position and having up to 12 aromatic carbocyclic rings including at least one naphthalene group in the 9-position of the anthracene group and an aryl group in the 10-position, the anthracene material including among the rings only carbocyclic rings.
摘要:
A color photographic element is disclosed comprising at least three light-sensitive units which have their individual sensitivities in different wavelength regions, comprising at least one imaging layer comprising a light-sensitive silver-halide emulsion, binder, and a yellow coupler represented by the following structure: Wherein COUP is a photographic coupler residue capable of coupling with oxidized color developer to form a first yellow dye L is a linking group selected from the group consisting of —OC(═O)—, —OC(═S)—, —SC(═O)—, and —SC(═S)—, and —DYE is a releasable second yellow dye or yellow dye precursor, wherein COUP is an acetanilide compound that contains one or more electron-withdrawing groups such that the pKa at the coupling site is less than 8.7. Such yellow couplers improve activity and enhance dye densities.
摘要:
An OLED device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL), at least one layer between the cathode and anode comprising a carbocyclic 2-aryl-9,10-biphenylanthracene compound containing a total of 8-12 aromatic rings, wherein the 6-substituent is hydrogen or an alkyl group and the 2-substituent is: (A) an unsubstituted phenyl group; (B) a phenyl group substituted with (a) a fluoro, a cyano, or an alkyl group or (b) a m- or p-phenyl group; or (C) a substituted or unsubstituted fused ring aromatic group.
摘要:
A process for forming an unsymmetric anthracene compound comprises a first step of forming a 9-perfluoroalkylsulfonate derivative of anthrone by reacting the anthrone with a perfluoroalkyl sulfonating agent, followed by a second step of contacting the reaction product with an aryl or heteroaryl boronic acid, ester or anhydride, and a palladium catalyst for a period of time sufficient to form an unsymmetric anthracene compound having at least one 9-position aromatic substituent.
摘要:
An OLED device comprises an anode and a cathode and located there-between a light emitting layer containing a light emitting dopant and a host comprising a monoanthracene derivative.
摘要:
A white light-emitting OLED device including spaced anode and cathode, and having blue light-emitting and yellow, orange, or red light-emitting layers, the blue light-emitting layer including a monoanthracene derivative of Formula (I) as a host material: wherein R1-R8 are H; R9 is not the same as R10; R9 is a naphthyl group having no fused rings with aliphatic carbon ring members; and R10 is a biphenyl group having no fused rings with aliphatic carbon ring members; provided that R9 and R10 are free of amines and sulfur compounds.
摘要翻译:一种白色发光OLED装置,包括间隔开的阳极和阴极,并且具有蓝色发光和黄色,橙色或红色发光层,蓝色发光层包括式(I)的单蒽衍生物作为主体材料 :其中R 1 -R 8是H; R 9不同于R 10; R 9是不具有脂肪族碳环成员的稠环的萘基; R 10是与脂肪族碳环成员没有稠环的联苯基; 条件是R 9和R 10不含胺和硫化合物。
摘要:
An electroluminescent device comprises a cathode, an anode, and therebetween a layer containing a host material and an ethynyl compound of Formula (1): A-C≡C-B (1) in an amount sufficient to stabilize the device wherein A and B represent independently selected fused carbocyclic ring groups.
摘要:
Disclosed is an OLED device comprising an anode and a cathode and located there-between a light emitting layer containing a light emitting dopant and a host comprising a monoanthracene derivative of formula (I): wherein R1–R8 are H; R9 is not the same as R10; R9 is a biphenyl group containing no fused rings with aliphatic carbon ring members; R10 is an ortho-substituted- or meta monosubstituted phenyl group; provided that R9 and R10 are free of amines and sulfur compounds.
摘要翻译:公开了一种OLED器件,其包括阳极和阴极,并且位于包含发光掺杂剂的发光层和包含式(I)的单蒽衍生物的主体之间:其中R 1〜R 8是H; R 9不同于R 10; R 9是不含脂肪族碳环成员的稠环的联苯基; R 10是邻位取代或间位单取代的苯基; 条件是R 9和R 10不含胺和硫化合物。