Abstract: The present invention discloses a heteroatom- and cycloalkyl-containing organic compound and an organic electroluminescent device containing the compound. The general structural formula of the organic compound is as represented by Formula I. The organic compound has a boron-nitrogen structure with multiple resonance effect, wherein a cycloalkyl-containing fluorenyl structure is introduced on the basis of the boron-nitrogen structure. The molecular size is greatly expanded by means of the cycloalkyl group, thereby effectively avoiding a concentration quenching effect, while the molecular orientation is enhanced due to the planarity of the fluorenyl group.

Abstract: The present invention discloses a compound containing a carbazole derivative and an organic electroluminescent device comprising the compound. The structure of the compound containing the carbazole derivative is one of the following structures. The compound has a relatively high hole transport rate, a relatively high HOMO energy level value, and a relatively good thermal stability. When the compound containing the carbazole derivative as provided by the present invention is applied to a hole transport layer of an organic electroluminescent device, the hole transport layer can improve the luminous efficiency of the organic electroluminescent device, reduce the driving voltage of the organic electroluminescent device, prolong the lifetime of the organic electroluminescent device, and overcome the defects in the prior art.

Abstract: The present invention discloses a heteroatom- and cycloalkyl-containing organic compound and an organic electroluminescent device containing the compound. The general structural formula of the organic compound is as represented by Formula I. The organic compound has a boron-nitrogen structure with multiple resonance effect, wherein a cycloalkyl-containing fluorenyl structure is introduced on the basis of the boron-nitrogen structure. The molecular size is greatly expanded by means of the cycloalkyl group, thereby effectively avoiding a concentration quenching effect, while the molecular orientation is enhanced due to the planarity of the fluorenyl group.

Abstract: The present invention discloses a compound with multiple resonance characteristics and an organic electroluminescent device containing the compound. In the present invention, by introducing a bridged cyclic alkyl group, the rigidity of the compound is increased, the thermal stability and glass transition temperature of a host material can be effectively improved while the dispersion of guest molecules in the material is maintained, and the lifetime of a blue-light device is significantly prolonged. The compound provided by the present invention is suitable for blue host/dopant systems and organic electroluminescent devices of blue-series AM-OLEDs, and organic electroluminescent devices containing the compound have a higher external quantum efficiency, a lower driving voltage, and a particularly excellent lifetime.

Abstract: A packaging structure includes at least one inorganic layer and at least one passivation layer. The at least one passivation layer includes a halogen-containing amorphous solid oxide thin film. The amorphous solid oxide thin film in the at least one passivation layer has a crosslinked-polyhedra-network structure. A display device includes a substrate, a display layer, and a packaging structure. The packaging structure further includes at least one inorganic layer and at least one passivation layer. The at least one passivation layer includes a halogen-containing amorphous solid oxide thin film. The amorphous solid oxide thin film in the at least one passivation layer has a crosslinked-polyhedra-network structure. A method for fabricating a display device includes providing a substrate, forming a display layer over the substrate, and forming a packaging structure over the display layer with the packaging structure including at least one inorganic layer and at least one passivation layer.

Abstract: The invention relates to the field of organic luminescent technology, in particular to a luminescent device and a display device. The luminescent device includes a first electrode, a second electrode and at least a luminescent layer arranged between the first electrode and the second electrode. The luminescent layer includes at least a host material, at least an energy level transition layer material and at least a guest material; the energy level transition layer material can receive the energy of the host material and transfer the energy to the guest material, thus solving the problem where the energy formed on the host material cannot be effectively transferred to the guest material to carry on the high efficiency luminescence during electroluminescence when the difference between the host material T1 energy and the guest material T1 energy is large, in order to greatly improve the efficiency of the luminescent device.

Abstract: A display panel, a polymer light emitting diode and a method for manufacturing the same are provided. The polymer light emitting diode includes: an organic light emitting layer having a first surface and a second surface opposite to each other; a hole transport part formed on the first surface of the organic light emitting layer; and an electron transport part formed on the second surface of the organic light emitting layer, the electron transport part including a nanocomposite layer.

Abstract: The invention relates to the field of an organic luminescence technology, in particular to a luminescent device. The luminescent device of the invention includes a first electrode, a second electrode and at least a luminescent layer arranged between the first electrode and the second electrode. The luminescent layer contains at least a kind of host material for transmitting electrons, at least a kind of auxiliary material for transmitting holes, and at least a kind of thermal delayed fluorescence material for guest luminescence. The host and auxiliary materials form exciplex in the electroluminescence process. The invention increases the path of exciton energy transfer, makes full use of the energy in the exciton, and improves the luminescent efficiency of the luminescent device; while making electron injection and hole injection become easier, reducing the turn on voltage, and improving the efficiency roll-off phenomenon.

Abstract: The disclosure relates to organic luminescence technology, in particular to a luminescent device having a first electrode, a second electrode and at least an organic luminescent layer arranged between the first electrode and the second electrode. The organic luminescent layer contains host material, metal-assisted delayed fluorescence sensitizer and fluorescence quenching agent; the metal-assisted delayed fluorescence sensitizer is an organic material which transfers a triplet exciton and a singlet exciton produced by electroluminescence to the fluorescence quenching agent; the fluorescence quenching agent is a fluorescent luminescent material which transfers the energy of all the triplet exciton to the singlet exciton and uses the singlet exciton for luminescence. The luminescent device in the invention has a very high energy utilization rate through the management of exciton in the organic luminescent layer, and significantly improves the luminescent efficiency and service life of the luminescent device.

Abstract: The invention relates to the technical field of organic luminescent materials, in particular to a spirofluorene compound and a luminescent device thereof. Spiro difluorene compounds selected freely I compounds: Y1 and Y2 denote hydrogen, electron-absorbing groups or electron-donating groups independently, respectively; at least a substituent in X1 and X2 is the substituent shown in formula II; M denotes —S—, —P—, —SO—, —SO2—, —S(?S)—, —S(?S)(?S)—, —PO—, —PO2—, —P(?S)—, —P(?S)(?S)—, —C(?O)—; N1, N2, N3 and N4 denote carbon or nitrogen atoms independently, respectively; N is an integer of 0˜4. The spirobifluorene compound of the invention has A-D-A chemical structure, and a spatial dihedral angle of nearly 90° is formed between an electron D unit and an electron-absorbing A unit, which is good for HOMO-LUMO orbital separation of thermal activation of delayed fluorescence materials, in order to obtain ideal ?EST.

Abstract: The present disclosures a quantum dot structure and a manufacturing method thereof, a quantum dot light-emitting diode (LED) and a manufacturing method thereof. The quantum dot structure includes a quantum dot core, a strain compensation layer wrapping the quantum dot core and a shell wrapping the strain compensation layer, wherein the degree of lattice match between the quantum dot core and the shell or the strain compensation layer is more than 88%.

Abstract: An organic light-emitting diode and method for manufacturing the same is provided in the present disclosure. The organic light-emitting diode includes a base plate, an OLED unit which disposed on the base plate and a packaging structure which connected with the base plate and used for packaging the OLED unit. The packaging structure comprises a first inorganic blocking layer wrapping the OLED unit, an inorganic nano-organic copolymer mixed layer wrapping the first inorganic blocking layer and a second inorganic blocking layer wrapping the inorganic nano-organic copolymer mixed layer..

Abstract: The present disclosure provides a quantum dot light-emitting diode and a manufacturing method thereof. The quantum dot light-emitting diode, comprising a base plate, a hole transport layer, a quantum dot light-emitting layer, an electron transport layer and a cathode stacked on the base plate in sequence. The quantum dot light-emitting diode further comprises a hole planarized layer formed between the hole transport layer and the quantum dot light-emitting layer, the quantum dot light-emitting layer comprises a first quantum dot sublayer, a second quantum dot sublayer and a third quantum dot sublayer stacked in sequence, the first quantum dot sublayer and the third quantum dot sublayer are negatively charged, and the second quantum dot sublayer is positively charged.

Abstract: A packaging structure includes at least one inorganic layer and at least one passivation layer. The at least one passivation layer includes a halogen-containing amorphous solid oxide thin film. The amorphous solid oxide thin film in the at least one passivation layer has a crosslinked-polyhedra-network structure. A display device includes a substrate, a display layer, and a packaging structure. The packaging structure further includes at least one inorganic layer and at least one passivation layer. The at least one passivation layer includes a halogen-containing amorphous solid oxide thin film. The amorphous solid oxide thin film in the at least one passivation layer has a crosslinked-polyhedra-network structure. A method for fabricating a display device includes providing a substrate, forming a display layer over the substrate, and forming a packaging structure over the display layer with the packaging structure including at least one inorganic layer and at least one passivation layer.

Abstract: A display panel, a polymer light emitting diode and a method for manufacturing the same are provided. The polymer light emitting diode has: an organic light emitting layer having a first surface and a second surface opposite to each other; an electron transport part formed on the first surface of the organic light emitting layer, and a hole transport part formed on the second surface of the organic light emitting layer. The hole transport part has a hole injection layer and a hole transport layer formed in sequence. The hole transport part further has an intermediate energy level layer having an energy level. The energy level of the intermediate energy level layer ranges between energy levels of two membrane layers sandwiching the intermediate energy level layer.

Abstract: A display panel, a polymer light emitting diode and a method for manufacturing the same are provided. The polymer light emitting diode includes: an organic light emitting layer having a first surface and a second surface opposite to each other; a hole transport part formed on the first surface of the organic light emitting layer; and an electron transport part formed on the second surface of the organic light emitting layer, the electron transport part including a nanocomposite layer.

Abstract: An organic light emitting display apparatus is disclosed. The display apparatus includes a substrate, an organic light emitting unit on the substrate, and a film encapsulation layer on the organic light emitting unit. The film encapsulation layer includes a hydrophobic organic layer disposed at an outermost portion of the film encapsulation layer.

Abstract: An organic light emitting film package structure includes an organic light emitting unit and a film structure covering the organic light emitting unit. The film structure includes a first film as a bottom layer, a second film as a top layer, and a transition layer disposed between the first second films. The first film is SiX or SiXY, the second film is SiY or SiXY, and the transition layer includes multiple SiXnYm layers. The first and second films have different materials. A difference in atomic ratio of X or Y between two adjacent SiXnYm layers in the transition layer is greater than a difference in atomic ratio of X or Y between the first film and its adjacent SiXnYm layer or a difference in atomic ratio of X or Y between the second film and its adjacent SiXnYm. The value of m and n ranges from 0 to 1, inclusive.

Abstract: An organic light emitting display apparatus is disclosed. The display apparatus includes a substrate, an organic light emitting unit on the substrate, and a film encapsulation layer on the organic light emitting unit. The film encapsulation layer includes a hydrophobic organic layer disposed at an outermost portion of the film encapsulation layer.

Abstract: An organic light emitting display apparatus is disclosed. The display apparatus includes a substrate, an organic light emitting unit on the substrate, and a film encapsulation layer on the organic light emitting unit. The film encapsulation layer includes a hydrophobic organic layer disposed at an outermost portion of the film encapsulation layer.