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.
PROCESSES FOR THE PREPARATION OF PESTICIDAL COMPOUNDS
申请人:Dow AgroSciences LLC
公开号:US20150112078A1
公开(公告)日:2015-04-23
The present application provides processes for making pesticidal compounds and compounds useful both as pesticides and in the making of pesticidal compounds.
The present disclosure relates to the preparation of acrylate, alkacrylate, allyl, and polycarbonate derivatives of hydroxy ketal esters, and uses thereof.
本公开涉及羟基缩醛酮酯的丙烯酸酯、烯丙酸酯、烯丙基和聚碳酸酯衍生物的制备以及它们的用途。
TERBENZOCYCLOPENTADIENE COMPOUND, HIGH POLYMER, MIXTURE, COMPOSITION AND ORGANIC ELECTRONIC DEVICE
Disclosed are a terbenzocyclopentadiene compound of better solubility and film-forming property, and a high polymer, mixture, composition and organic electronic device comprising same. This terbenzocyclopentadiene compound contains a benzocyclopentadiene structure. The matching of energy level and the symmetry of the structure provide a possibility for increasing the chemical/environmental stability of terbenzocyclopentadiene compounds and photoelectric devices. This terbenzocyclopentadiene compound has a better solubility in an organic solvent, and also facilitates forming a high-quality film by a printing method due to a high molecular weight. After this terbenzocyclopentadiene compound is used in OLED, particularly as a luminescent layer material, a higher quantum efficiency, luminescence stability and device life time can be provided.
Disclosed are an organometallic complex comprising a new six-membered N-heterocyclic ligand, and an application thereof in an organic electronic device, especially in a phosphorescent organic light-emitting diode. The present invention further relates to an organic electronic device comprising the organometallic complex according to the present invention, especially an organic light-emitting diode, and an application thereof in display and illumination technology. In the present invention, the device structure is optimized and the concentration of the metal complex in the substrate is changed, so that the device achieves the optimal performance, and an OLED device having high efficiency, high luminance and high stability is achieved, thereby providing a better choice of materials for full-colour display and illumination application.