摘要:
Provided are a hyperbranched polymer represented by Formula 1 below, an organic light-emitting diode including an organic layer including the hyperbranched polymer, and a method of manufacturing the organic light-emitting diode: For a detailed description about Formula 1, the Detailed Description of the Invention may be referred to. The hyperbranched polymer is excellent in view of hole injection capability and/or electron blocking capability and adhesion with an electrode, and thus, the organic light-emitting diode including the organic layer including the hyperbranched polymer can have good electrical properties.
摘要:
The present invention provides an organic electroluminescent element which is superior in luminance, reliability, and thermal stability and is capable of selectively emitting light with comparative long wavelengths such as red and good color purity and a light-emitting device or display device incorporated therewith. The organic electroluminescent element consists of a glass substrate (1), an anode (2), a hole transporting layer (10), an emitting layer (11), an electron transporting layer (12), and a cathode (3), which are sequentially laminated on top of the other. The emitting layer (11) is formed from a mixture composed of at least one species of the styryl compound represented by the general formula [I] below and a material with charge transporting capability. Y—CH═CH—X General formula [I] (where X denotes an aryl group (such as phenyl group) which has a substituent group (such as cyano group and methyl group), and Y denotes a group having a skeleton of aminophenyl group or the like.)
摘要:
An organic light emitting display apparatus includes a plurality of sub-pixels, each of the sub-pixels having a first electrode, a second electrode facing the first electrode, and an intermediate layer disposed between the first and second electrodes, the intermediate layer having a plurality of layers including an organic emission layer, at least one layer of the plurality of layers in the intermediate layer being commonly shared by two sub-pixels arranged in a first direction and by at least two sub-pixels arranged in a second direction perpendicular to the first direction.
摘要:
Provided is a white organic light emitting device comprising an anode, a cathode, and an organic layer formed between the anode and the cathode, wherein the organic layer comprises one green emissive layer, one blue emissive layer, one red emissive layer, and one charge generating layer formed between any two of the foregoing green, blue and red emissive layers. The white organic light emitting device has a tandem structure providing the simplest structure for the three color light emissions of green, blue and red.
摘要:
Provided is a cyclometalated transition metal complex represented by Formula 1: The cyclometalated transition metal complex contains a new ancillary ligand having a carboxylate acid or the like connected to a hetero ring, so that it can efficiently emit red light from a phosphorous material through intersystem crossing (ISC) to form triplet excitons and then metal to ligand charge transfer (MLCT). An organic light emitting device manufactured using the transition metal complex shows excellent luminous efficiency and external quantum efficiency.
摘要:
Provided are an organometallic complex providing highly efficient phosphorescence and an organic electroluminescence device using the same. The organometallic complex can be used to form an organic layer of the organic electroluminescence device, efficiently emits light of a wavelength corresponding to red light, and has high brightness and low operating voltage.
摘要:
Provided are a display device and a display unit having higher light extraction efficiency. An optical distance L1 between a maximum light-emitting position of a light-emitting layer and a first end portion satisfies L1=tL1+a1 and (2tL1)/λ=−Φ1/(2π)+m1. An optical distance L2 between the maximum light-emitting position and a second end portion satisfies L2=tL2+a2 and (2tL2)/λ=−Φ2/(2π)+m2. In the formulas, tL1 and tL2 represent a theoretical optical distance between the first end portion and the maximum light-emitting position and a theoretical optical distance between the second end portion and the maximum light-emitting position, respectively, a1 and a2 represent correction amounts based upon a light-emitting distribution in the light-emitting layer, λ represents a peak wavelength of the spectrum of light desired to be extracted, Φ1 and Φ2 represent a phase shift of reflected light generated in the first end portion and a phase shift of reflected light generated in the second end portion, respectively, and each of m1 and m2 is 0 or an integer.
摘要翻译:提供了具有较高光提取效率的显示装置和显示单元。 在发光层的最大发光位置和第一端部之间的光学距离L 1> 1 1满足L 1 = t L 1< 1& + 1< 1>和(2tL 1/1)/λ= -P 1/2(2pi)+ m 1。 在最大发光位置和第二端部之间的光学距离L 2 2满足L 2 + 2 2 + 2 + 2< 2> 和(2tL 2 2)/λ= -Phi 2 /(2pi)+ m 2。 在公式中,t L 1和t L 2表示第一端部和最大发光位置之间的理论光学距离,以及第二端部之间的理论光学距离 并且最大发光位置分别表示基于发光层中的发光分布的校正量,λ表示峰值 期望提取的光的光谱的波长,Phi1和Φ2表示在第一端部中产生的反射光的相移和反射光的相移 分别在第二端部产生,并且m 1和m 2 2中的每一个为0或整数。
摘要:
A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below. (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denotes an aryl group having a specific substituent such as methoxy group; and R5 and R6 each denotes a cyano group or the like.) A process for producing a bis(aminostyryl)naphthalene compound represented by the general formula [I] by condensation of, for example, 4-(N,N-diarylamino)benzaldehyde with diphosphonic ester or diphosphonium.The bis(aminostyryl)naphthalene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)naphthalene compound.
摘要翻译:由下述通式[I]表示的双(氨基苯乙烯基)萘化合物等。 (其中R 2和R 3各自表示未取代的芳基; R 1和R 4各自表示 具有特定取代基的芳基如甲氧基; R 5和R 6各自表示氰基等。)制备双(氨基苯乙烯基) 由通式[I]表示的萘化合物通过例如4-(N,N-二芳基氨基)苯甲醛与二膦酸酯或二鏻的缩合。 双(氨基苯乙烯基)萘化合物发出强烈的黄色或红色光。 该方法允许有效生产双(氨基苯乙烯基)萘化合物。
摘要:
This invention is an aminostyrylanthracene compound represented by, for example, the following general formula [I]. This compound is produced by condensation from a corresponding aminobenzaldehyde and a phosphonic ester or phosphonium salt. [where, in the general formula [I] above, R2 represents an unsubstituted aryl group, R1 represents an aryl group which may have a variety of substituents, and R3 to R5 each represent a hydrogen atom, a cyano group, or a hydrocarbon group.]
摘要翻译:本发明是由例如以下通式[I]表示的氨基苯乙烯基蒽化合物。 该化合物通过相应的氨基苯甲醛和膦酸酯或鏻盐的缩合产生。 [其中,在上述通式[I]中,R 2表示未取代的芳基,R 1表示可以具有多种取代基的芳基,R R 5〜R 5各自表示氢原子,氰基或烃基。]
摘要:
A diphosphonic acid ester of formula [VII] or [VII′] and a diphosphonium salt of formula [VIII] or [VIII′] are provided: wherein R75, R76, R75′ and R76′ may be the same or different and independently represent an alkyl or alkenyl group having from 1 to 4 carbon atoms, a cyclohexyl group or a phenyl group, R77, R78, R79 and R80 may be the same or different provided that at least three thereof are cyano groups and the others independently represent a hydrogen atom, a cyano group, a nitro group or a halogen atom, R77′, R78′, R79′ and R80′ may be the same or different and independently represent a group selected from a hydrogen atom and a halogen atom provided that at least three thereof are fluorine atoms and X represents a halogen atom. These compounds are useful as synthetic intermediates for the preparation of luminescent bis(aminostyryl)benzene compounds.