Abstract: The present invention relates to an organometallic complex as shown in general formula (I), and to a polymer, mixture and formulation comprising same, and to use thereof in an electronic device, in particular the use in an organic luminous diode. By providing a new high performance phosphorescent luminous material, in the present the device structure is optimized such that the device achieves the best performance, realizing a high efficiency, high luminance and high stability OLED device, thereby providing a better material option for full-color display and lighting.

Abstract: Disclosed in the present invention are a novel organometallic complex and an application thereof in organic electronic devices, particularly in organic phosphorescent light emitting diodes. The present invention further relates to organic electronic devices, in particular organic light emitting diodes (OLEDs), that comprise the organometallic complex according to the present invention, and an application thereof in display and illumination technologies. By means of optimizing the structure of a device and changing the concentration of the metal complex in a matrix thereof, optimal device performance may be achieved, facilitating the implementation of a high-efficiency, high-brightness and high-stability OLED devices, and providing a better material option for full-color display and illumination applications.

Abstract: Disclosed are a polymer, and a mixture or a formulation and an organic electronic device containing same, and applications thereof, and further a monomer of which the polymer is made; the polymer comprises on its side chain a repeating structure unit E, characterizing in that its S1(E)?T1(E))?0.35 eV or even less, which may allow the said polymer having thermally activated delayed fluorescence (TADF) property. Thus a TADF polymer suitable for printing processes is provided, thereby reducing OLED manufacturing costs.

Abstract: Disclosed are a transition metal complex, a polymer, a mixture, a composition and the use thereof, wherein the transition metal complex has a structure of the general formula as shown in formula (1): The transition metal complex has a novel structure, and is an iridium (III) complex comprising rigid cycloalkyl groups. Since this type of auxiliary ligand increases the rigidity and symmetry of a molecule, the rigidity of a molecule is increased relative to a common ligand without the cycloalkyl groups, and as such, the whole complex has better chemical, optical, electrical and thermal stabilities. At the same time, since the modification occurs on the auxiliary ligand, the effect on the wavelength of the luminous maximum peak caused by a main ligand is relatively low, and therefore, a saturated luminous color may be retained.

Abstract: An organic compound, applications thereof, an organic mixture, and an organic electronic device. The structure of the organic compound is represented by formula (1), and definitions of substituent groups in the formula (1) are the same as those in the specifications.

Abstract: The present invention relates to an organic mixture and an application thereof in organic electronic devices. The organic mixture comprises a spirofluorene organic compound containing a fused heterocyclic ring and an aromatic fused heterocyclic organic compound containing an electron-donating group. A combination of the two materials may be used as a host material of a phosphorescent organic light-emitting diode (OLED), which may use the energy of excitons and balance the charge transport to the greatest extent and which may effectively reduce the concentration of excitons and the operating voltage of a corresponding device, thereby effectively improving the efficiency and service life of the related electronic device in order to provide an effective solution for improving the overall performance of an organic electronic device.

Abstract: Provided are a printing ink comprising inorganic nano-materials and an electronic device manufactured by printing with the printing ink, in particular, an electroluminescent device. The composition of the provided ink comprises at least one inorganic nano-material, in particular, quantum dots, and at least one ester-based organic solvent.

Abstract: A printing formulation, an electronic device comprising a function layer prepared from the printing formulation and a preparation method for obtaining a functional material thin film by utilizing the printing formulation. The printing formulation comprises at least one functional material and at least one inorganic ester solvent, and the inorganic ester solvent can be selected from alkyl borate or alkyl phosphate.

Abstract: The present invention relates to a nitrogen-containing fused heterocyclic ring compound and application thereof. The compound has the structural formula (I): using the described compound, it is possible to fabricate a device having higher stability and a longer service life.

Abstract: Provided are an organic chemical compound, organic mixture, and organic electronic component; the structure of said organic chemical compound is as shown in general formula (1); the definition of the substituent group in the general formula (1) is the same as in the description.

Abstract: A conjugated polymer comprises repeating units as represented by formula (I), ?A—B?p ??(I) p is the number of the repeating units, and p is an integer more than or equal to 1; and A has a structure as represented by formula (II), and B has a structure as represented by formula (II) or formula (III). The described conjugated polymer has a higher triplet energy level and a higher charge transfer property.

Abstract: A conjugated polymer, comprising repeat units represented by formula (I), wherein p represents the number of the repeated units and is an integer greater than or equal to 1; D1 has a structure represented by formula (II); and B1 has a structure represented by formula (III); The described conjugated polymer has higher triplet energy level and high charge transporting performance.

Abstract: An electroluminescent device includes an anode, a cathode, a light emitting layer between the anode and the cathode, and a hole transport layer between the anode and the light emitting layer. The light emitting layer includes an inorganic light emitting nanomaterial, and the hole transport layer includes an organic hole transport material. The organic hole transport material has HOMOHTM??5.4 eV and ?(HOMO?1)HTM?HOMOHTM??0.3 eV.

Abstract: Provided are a triazine fused ring compound, and an organic mixture, formulation and organic electronic device comprising the same and application thereof. The triazine fused ring compound comprises a triazine structure having three strong electron-withdrawing nitrogen atoms, and an aromatic fused ring structure. As the triazine structure has favorable optoelectronic properties and the fused ring structure contains an aryl group or heteroaryl group, the compound has good carrier transport performance and optoelectronic response. Thus, by connecting triazine with the fused ring aromatic structure having a large planar-conjugated system, the present invention facilitates better carrier transport and optoelectronic response and better energy level matching, improves the optoelectronic properties and stability of the triazine fused ring compound, and thereby enables a light-emitting device having high manufacturing efficiency and long operating life.

Abstract: A mixture consists of three or more organic compounds, wherein the molecular weight difference of any two organic compounds is less than 160 Dalton. In the mixture, the molar percentage of each organic compound is not less than 3% and not more than 90%, and the organic compounds all have at least one same or similar photoelectronic function.

Abstract: An organic compound containing boron and uses thereof, an organic mixture, and an organic electronic device, the structure of said organic compound containing boron being as shown in formula (1). The substituents in formula (I) have the same definitions as in the description.

Abstract: An organic metal complex as shown by general formula (I) or (II), wherein the ring containing Ar1 is preferably a N-hetero six-membered aromatic ring, and a polymer, a mixture, a composition and an organic electronic device comprising the complex and a use thereof. The organic electronic device, particularly an organic light emitting diode, and the use thereof in display and illumination technologies. By optimizing the device structure and changing the concentration of the metal complex in a matrix, the best performances of the device can be attained, an OLED device with a high efficiency, high luminance and high stability is achieved, and a relatively good material option is provided for full-colour display and illumination applications.

Abstract: An organic compound having the following structural formula is provided: wherein Ar1 to Ar5 are aromatic or heteroaromatic structural units, X, Y, and Z are bridging groups connecting two or three aromatic rings, and n is an integer between 1 and 4. The organic compound has an increased resonance factor and a reduced ?(S1-T1), thus facilitating acquisition of thermally-excited delayed fluorescence properties provided with increased light emission efficiency, and implementing high efficiency and extended service life of an OLED component. In addition, a synthesis process for the organic compound is simple and inexpensive. A mixture, a formulation and an organic eletronic device containing the organic compound are also provided.

Abstract: A printing ink formulation includes a functional material and a solvent being evaporable from the printing ink formulation to form a functional material thin film. The solvent is formed by mixing at least two organic solvents including a first solvent and a second solvent. The solvent system containing at least two solvents can effectively dissolve the functional material without the need of adding an additive, and can also effectively prevent the occurrence of a “coffee-ring effect”, and accordingly, the thin film containing a uniform thickness and a strong electron transmission capability can be obtained.

Abstract: An organic mixture, comprising a first organic compound and a second organic compound that forms an exciplex with the first organic compound. The first organic compound is an aromatic compound containing a triphenylboron heterocycle, and the second organic compound is a compound containing an aromatic fused heterocycle. LUMOH1, HOMOH1 and ET(H1) are respectively defined as the lowest unoccupied orbital, highest occupied orbital and triplet energy levels of the first organic compound, and LUMOH2, HOMOH2 and ET(H2) are respectively defined as the lowest unoccupied orbital, highest occupied orbital and triplet energy levels of the second organic compound, min((LUMOH1?HOMOH2, LUMOH2?HOMOH1)?min(ET(H1), ET(H2))+0.1 eV.