The present specification relates to a compound of Chemical Formula 1 and an organic electronic device comprising the same.

An organic photoelectronic device includes a first electrode and a second electrode facing each other and a light-absorption layer between the first electrode and the second electrode and including a first region closest to the first electrode, the first region having a first composition ratio (p.sub.1/n.sub.1) of a p-type semiconductor relative to an n-type semiconductor, a second region closest to the second electrode, the second region having a second composition ratio (p.sub.2/n.sub.2) of the p-type semiconductor relative to the n-type semiconductor, and a third region between the first region and the second region in a thickness direction, the third region having a third composition ratio (p.sub.3/n.sub.3) of the p-type semiconductor relative to the n-type semiconductor that is greater or less than the first composition ratio (p.sub.1/n.sub.1) and the second composition ratio (p.sub.2/n.sub.2).

A compound of the formula, plus devices incorporating this compound, and a method of marking such devices: ##STR00001## wherein: A represents a phenyl group, a naphthyl group, a biphenyl group or two phenyl groups linked by a C.sub.1-C.sub.8 alkyl chain; B.sup.1 and B.sup.2 in each occurrence are independently selected side chains of the structure
—(Y.sup.1).sub.n-L-(Y.sup.2).sub.m—X wherein: Y.sup.1 and Y.sup.2 in each occurrence are independently selected from O, CO.sub.2— and CH.sub.2O, m and n in each occurrence are independently selected from 0 or 1; L in each occurrence is a C.sub.2-C.sub.14 straight chain alkyl group; and X in each occurrence is an independently selected cross linkable group; C is a side chain of the structure —(Z.sup.1).sub.p-M-(Z.sup.2).sub.q-E wherein: Z.sup.1 and Z.sup.2 are independently selected from O, CO.sub.2— and CH.sub.2O, p and q in each occurrence are independently selected from 0 or 1; M is a C.sub.1-C.sub.14 straight chain alkyl group; and E comprises a charge transport group; D is a side chain of the structure —(W.sup.1).sub.r—N—(W.sup.2).sub.s—F wherein: W.sup.1 and W.sup.2 are independently selected from O, CO.sub.2— and CH.sub.2O, r and s in each occurrence are independently selected from 0 or 1; N is a C.sub.1-C.sub.14 straight chain alkyl group; and F comprises a charge transport group or light emitter group; and wherein the charge transport group E does not contain a fluorene group other than those that form part of a spirobifluorenearylamine motif.

A light-emitting element containing a light-emitting material with high light emission efficiency is provided. The light-emitting element includes a high molecular material and a guest material. The high molecular material includes at least a first high molecular chain and a second high molecular chain. The guest material has a function of exhibiting fluorescence or converting triplet excitation energy into light emission. The first high molecular chain and the second high molecular chain each include a first skeleton, a second skeleton, and a third skeleton, and the first skeleton and the second skeleton are bonded to each other through the third skeleton. The first high molecular chain and the second high molecular chain have a function of forming an excited complex.

Provided is a novel compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.

A light-emitting element is provided, including a first electrode and a second electrode, a first layer including first and second organic compounds, the first layer being formed between the first electrode and the second electrode wherein the first organic compound is capable of emitting a first light and the second organic compound has an electron transporting property, and a second layer including third and fourth organic compounds, the second layer being formed between the first layer and the second electrode wherein the third organic compound is capable of emitting a second light and has an electron trap property and the fourth organic compound has an electron transporting property.

An imaging device includes a photoelectric conversion device including a sequential stack of an anode, a hole transport buffer layer, a photoelectric conversion layer, an electron transport buffer layer, and a cathode. The photoelectric conversion layer includes a p-type organic semiconductor and an n-type organic semiconductor. The electron transport buffer layer includes a compound represented by General Formula (1), and the p-type organic semiconductor includes a compound represented by General Formula (2):

##STR00001##

In General Formulas (1) and (2), Ar, R.sub.1 to R.sub.4, Ar.sup.3, R.sup.1 to R.sup.3, Ar.sup.1 and Ar.sup.2, and G.sup.1 and G.sup.2 are as defined in the specification.

An ink composition for inkjet printing organic light-emitting diodes and a method of manufacturing the same are disclosed. The ink composition includes 0.01-40% of bipolar light emission component, 10-99.9% of solvent, 0.01-5% of surface tension modifier, and 0.01-5% of viscosity modifier by weight. The method of manufacturing the ink composition includes steps of: dispersing the bipolar light emission component in the solvent firstly, and then adding the viscosity modifier and the surface tension modifier under stirring, so as to obtain the ink composition. By using the ink composition, specific hole and electron transport layers provided in the organic light-emitting diode manufactured by inkjet printing may be omitted, thereby simplifying the structure of the organic light-emitting diode. Moreover, the ink composition has suitable viscosity, surface tension, and volatility.

An organic photoelectronic device includes a first electrode and a second electrode facing each other and a light-absorption layer between the first electrode and the second electrode and including a first region closest to the first electrode, the first region having a first composition ratio (p.sub.1/n.sub.1) of a p-type semiconductor relative to an n-type semiconductor, a second region closest to the second electrode, the second region having a second composition ratio (p.sub.2/n.sub.2) of the p-type semiconductor relative to the n-type semiconductor, and a third region between the first region and the second region in a thickness direction, the third region having a third composition ratio (p.sub.3/n.sub.3) of the p-type semiconductor relative to the n-type semiconductor that is greater or less than the first composition ratio (p.sub.1/n.sub.1) and the second composition ratio (p.sub.2/n.sub.2).

A compound capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is provided. The compound includes at least one substituent R, where each of the at least one substituent R has the formula of: —G.sup.1-G.sup.2, where the dashed line denotes the bond through which R is attached in the first compound; G.sup.1 is a non-aromatic cyclic or polycyclic group; G.sup.2 is selected from aryl and heteroaryl; and G.sup.1 and G.sup.2 are independently, optionally further substituted with a substituent selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof. Organic light emitting devices, consumer products, and formulations containing the compound are also provided.