57results about "OLED structure" patented technology

A tandem light-emitting element in which generation of crosstalk can be suppressed even when the element is applied to a high-definition display is provided. In the tandem light-emitting element, a layer in contact the anode side of an intermediate layer contains 2,9-bis(naphthalen-2-yl)-4,7-diphenyl-1,10-phenanthroline (abbreviation: NBPhen).

The invention belongs to the technical field of panel display, and discloses an encapsulating cover plate and application thereof in an organic electroluminescence device. The encapsulating cover plate uses a piece of photosensitive glass with photoinduced refractive index change or a transparent substrate provided with a transparent photosensitive material, interference pattern irradiation enables the photosensitive glass with photoinduced refractive index change or the transparent substrate provided with the transparent photosensitive material to present blended distribution of high and low refractive indexes, an original total reflection structure of the photosensitive glass or the transparent substrate is destroyed, and the light originally lost because of total reflection is reused after the light is reflected on the encapsulating cover plate, so that the dispersion effect of emergent light is improved, the emergent efficiency of the light and the angle of view are improved, and meanwhile, an effect of antireflection is achieved on the light in the external environment to a certain degree.

The invention provides a film packaging structure used for packaging functional devices on a substrate. The film packaging structure comprises a mixed layer film covering the functional devices and an inorganic layer film located on the mixed layer film. The mixed layer film is mainly composed of amorphous aluminum oxide and crystalline oxide. The invention further provides an organic light-emitting device including the substrate, an OLED on the substrate and the film packaging structure. A protective film composed of the mixed layer film and the inorganic layer film is firm and good in airtightness and uniformity, an effective packaging effect can be realized, the device weight and cost are remarkably reduced, any chemical gas exists or is released when the mixed layer film and the inorganic layer film deposit through the sputtering technology, the environment is free of threats, and environment-friendly packaging is realized.

The invention discloses a luminous device and a manufacturing method thereof, wherein the luminous device comprises a base plate, a conducting hydrophobic layer, an organic luminous layer, an electrode layer and a passivation layer, wherein the conducting hydrophobic layer is arranged on the base plate; the organic luminous layer is arranged on the conducting hydrophobic layer; the electrode layer is arranged on the organic luminous layer; the passivation layer is arranged on the electrode layer so as to at least cover the organic luminous layer and the electrode layer. Therefore the conducting hydrophobic layer is arranged between the base plate and the organic luminous layer; meanwhile, an effect of preventing water vapor and oxygen from entering the luminous device and the electrode is achieved; the process steps of additionally installing the blocking layer can be omitted, so that the manufacturing technical steps of the luminous device can be reduced; the manufacturing cost of the luminous device is reduced.

A display panel and a display apparatus are provided. The display panel comprises a substrate including a display region and a non-display region; a display element disposed in the display region of the substrate; and at least one bank disposed in the non-display region of the substrate and surrounding the display region. The at least one bank comprises at least one inorganic layer and at least one metal layer, and the at least one inorganic layer encapsulates the at least one metal layer.

A highly reliable light-emitting device which includes an organic EL element and is lightweight is provided. The light-emitting device includes a first organic resin layer; a first glass layer over the first organic resin layer; a light-emitting element over the first glass layer; a second glass layer over the light-emitting element; and a second organic resin layer over the second glass layer. The first organic resin layer and the first glass layer each have a property of transmitting visible light. The light-emitting element includes a first electrode having a property of transmitting visible light, a layer containing a light-emitting organic compound, and a second electrode stacked in this order from the first glass layer side.

The present disclosure relates to a package structure of organic light emitting diode (OLED) components. The package structure includes an OLED body and an encapsulation layer having an organic layer, a protecting layer, a blocking layer, and a stressed layer. A first curved-surface area is formed on the organic layer, and the protecting layer, the blocking layer, and the stressed layer are stacked on the organic layer in sequence. The protecting layer, the blocking layer, and the stressed layer are respectively formed with a second curved-surface area. The second curved-surface area is stacked on the first curved-surface area and is overlapped with the first curved-surface area, and the second curved-surface area and the first curved-surface area form a folded area of the encapsulation layer. The present disclosure also relates to one OLED component and a display panel.

The invention provides an organic electroluminescent device. The organic electroluminescent device comprises an anode, a cavity implantation layer, a cavity transmission layer, a luminescent layer, an electron transmission layer, an electron injecting layer and a cathode which are successively stacked. A cathode layer is composed of a metal sulfide doping layer, an organic electron transmission layer and a film material layer. The material of the metal sulfide doping layer comprises metal sulfide and metal doped in the metal sulfide. An organic electron transmission doping layer comprises an organic electron transmission material and titanium dioxide doped in the organic electron transmission material. The material of the organic electron transmission doping layer is selected from at least one from 2,2'-(1,3-pheyl)bis[5-(4- tert-butyl phenyl)-1,3,4-oxadiazol], 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline and 2,8-bis(diphenylphosphinoxy) dibenzo[b,d] thiophene. The material of the film material layer is selected from at least one from an indium tin oxide target material, an aluminum zinc oxide target material and an indium zinc oxide target material.

A display panel and an electronic device are provided. The display panel comprises a base substrate including a display region and a border region surrounding the display region, wherein the border region includes an encapsulation region; a plurality of display units disposed in the display region; an encapsulation member disposed in the border region; a plurality of wires disposed in the border region; and a cover substrate arranged opposite to the base substrate. The display units and the wires are disposed between the base substrate and the cover substrate, the encapsulation member is disposed in the encapsulation region and configured to bond and fix the base substrate to the cover substrate, and at least one of the wires is disposed in the encapsulation region.

A display apparatus includes a substrate including a display area, a first non-display area, a second non-display area, and a bending area between the first non-display area and the second non-display area, a display unit positioned in the display area, a driving circuit positioned in the second non-display area, and a fan-out portion transmitting a data signal applied from the driving circuit to the display unit. The fan-out portion includes a first fan-out portion including first conductive lines, a second fan-out portion including second conductive lines, and a separation area between the first fan-out portion and the second fan-out portion that are separated from each other by a predetermined distance in the bending area. A first width of a first conductive line closest to the separation area and a second width of a second conductive line closest to the separation area are different from each other.

A thermally activated delayed fluorescent molecular material, a method for synthesizing the same, and an organic electroluminescent device are provided. The thermally activated delayed fluorescent molecular material includes an electron donor and an electron acceptor containing an indenyl group. A phenyl group in diphenylamine or triphenylamine in a donor molecule is replaced with an indenyl group, so that the electron-donating ability of the donor is increased, and the non-radiative transition rate is effectively suppressed, thereby increasing the photoluminescence quantum yield (PLQY) of the molecule. Further, the torsion angle between the electron donor and the electron acceptor is also increased, while the electron cloud overlap between the highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO) is reduced, thereby obtaining a smaller ΔEST value.

A thermal active delay fluorescent material includes a structural formula in formula 1:wherein in the formula 1, R is a chemical group of an electron donor.The application adopts a strong electron-withdrawing group of a large conjugate plane as an electron acceptor, and combines an electron acceptor with a strong electron donor to achieve a deep red light thermal active delay fluorescent material with a typical TADF characteristics and a low energy level. The thermal active delay fluorescent material of the application is a deep red light TADF material having a lower single triplet energy level difference, an ultrafast reverse intersystem crossing speed and a high luminous efficiency, and when it is used as a luminescent material for an organic light-emitting diode device, it can promote a luminous efficiency of the organic light-emitting diode device.

A display device includes a substrate provided with a first subpixel area, and a second subpixel area adjacent to one side of the first subpixel area, a first electrode provided on the substrate, including a first sub electrode provided on the first subpixel area and a second sub electrode provided on the second subpixel area, an organic light emitting layer arranged on the first electrode, a second electrode arranged on the organic light emitting layer, a bank provided between the first sub electrode and the second sub electrode, partitioning the first subpixel area from the second subpixel area, and a reflective portion provided on the bank, adjoining the organic light emitting layer.

An embodiment provides a display device including an insulating layer which is continuous between opposed ends of two adjacent lower electrodes from an upper part of one of the ends to an upper part of the other end, a first organic layer which is disposed over the lower electrodes and the insulating layer, a second organic layer which is disposed over the lower electrodes and the insulating layer with the first organic layer interposed therebetween and includes a light emitting layer, and a second electrode which covers the organic layer. The upper face of the insulating layer includes a recess between the two lower electrodes. The aspect ratio of the recess is 0.5 or more.