57results about "OLED structure" patented technology

An organic light emitting diode (OLED) display device is described that includes a shared cathode between OLED pixels as well as auxiliary lines that are formed between rows and / or columns of the OLED pixels. As the cathode is shared between many if not all of the pixels of display device, resistance within the cathode can affect the brightness of those pixels that are further from the cathode's voltage source. The auxiliary lines serve to counteract the voltage drop caused by this resistance. The auxiliary lines are electrically connected to the cathode in close proximity to individual pixels of the display.

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 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 discloses an AMOLED device structure. The AMOLED device structure comprises a driving voltage device, a cathode layer, an organic light-emitting layer and an anode layer, wherein the cathode layer, the organic light-emitting layer and the anode layer are sequentially arranged in an overlapped mode, the cathode layer is connected with the negative pole of the driving voltage device, and the anode layer is connected with the positive pole of the driving voltage device. The AMOLED device structure is characterized by further comprising a cathode auxiliary layer, and the cathode auxiliary layer is connected with the cathode layer and the negative pole of the driving voltage device. The invention further discloses a manufacturing method of the AMOLED device structure. According to the AMOLED device structure and the manufacturing method of the AMOLED device structure, as the cathode auxiliary layer is arranged in an original structure, the problem that cathode resistance is too large because a cathode is thin or a display screen is large in size can be solved.

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 relates to an organic light-emitting component (200), which is provided in various embodiment examples. The organic light-emitting component (200) can have a first translucent electrode (204); an organic light-producing layer structure (206) on or over the first electrode (204); a second translucent electrode (212) on or over the organic light-producing layer structure (206); an optically translucent layer structure (214) on or over the second electrode (212); and a mirror layer structure (216) on or over the optically translucent layer (214), wherein the mirror layer structure (216) has a light-scattering structure (218) on the side of the mirror layer structure (216) facing the optically translucent layer structure (214).

An organic light-emitting diode device includes an optical structure and an electrical structure. The optical structure includes a cavity length adjustment layer disposed on a reflective layer. The electrical structure includes an anode layer, a hole injection layer, a hole transport layer, a luminescent layer, an electron transport layer, and a cathode layer, which are disposed on the cavity length adjustment layer in sequence. The anode layer is electrically connected to the reflective layer. A method for producing an organic light-emitting diode device includes disposing a cavity length adjustment layer on a reflective layer to form an optical structure. An anode layer, a hole injection layer, a hole transport layer, a luminescent layer, an electron transport layer, and a cathode layer are disposed on the cavity length adjustment layer in sequence to form an electrical structure. The anode layer is electrically connected to the reflective layer.

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 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.

The present invention provides a charge generation layer, a tandem OLED device and a display screen. The charge generation layer of the present invention consists of organic-inorganic hybrid perovskite material, a structural formula of which is ABX3, wherein A is an organic amino group, B is 4th main group metal ion or transition metal ion, X is a halogen element or a combination of a variety of halogen elements. The organic-inorganic hybrid perovskite material has not only a great carrier transporting capability but also further has a property with a higher optical absorption coefficient, and can emit a light longer than excitation light wavelength, and thus further can possess an effect on light color conversion in the tandem OLED device, thereby being beneficial to raising the performance of the tandem OLED device, lowering cost, and simplifying manufacturing process.

The invention discloses a light-emitting device and a manufacturing method thereof. The light-emitting device comprises an upper electrode, a lower electrode opposite to the upper electrode, an organic film layer arranged at one side of the upper electrode away from the lower electrode as well as a transparent film arranged between the upper electrode and the lower electrode; and the thicknesses of the transparent film in the zones of transmitting red, green and blue light rays are reduced in sequence. In the light-emitting device, the top light-emitting manner is employed and the emitted light needs to transmit the transparent film at twice, so that the optical path can be influenced twice and the manufacturing cost is saved. Different tiny cavities can be realized by changing the thickness of the transparent film; the upper electrode is in contact with the lower electrode in at least one of the zones of transmitting red, green and blue light rays, so that the light-emitting device has no contact hole, has a simple process and is easy for mass production. The invention further discloses the manufacturing method of the light-emitting device.

The invention discloses an OLED display panel with a narrow frame structure. The OLED display panel with the narrow frame structure comprises a display area and a frame area positioned at the periphery of the display area, wherein a metal wire is arranged on one of opposite frames in the frame area; a cathode in the display area is connected with the metal wire through an anode; a conductive adhesive tape is arranged on the back side of the display area; and the two ends of the conductive adhesive tape are electrically connected with the two ends of the metal wire in the two opposite frames after being bent. The conductive adhesive tape is adhered to the back side of the OLED display panel, the conductive adhesive tape is bent by the left side and the right side of the display panel onto one of the opposite frames, the conductive adhesive tape is electrically connected with the two ends of the metal wire on the other one of opposite frames separately, and the conductive adhesive replaces the metal wire on one of the opposite frames, so that the size of the frame area is narrowed and the size of the display area is increased.

The present invention provides an organic light-emitting diode (OLED) display panel, wherein a display area of the OLED display panel is formed with a via hole and a water blocking structure for protecting the via hole from water vapor. The water blocking structure includes at least one trench defined in a surface of the substrate, and a baffle wall formed in the trench, and a top of the baffle wall is higher than an OLED emitting layer.

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.

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 discloses an organic light-emitting device and a manufacturing method thereof. The organic light-emitting device comprises a substrate, first isolation columns, transparent electrode layers and organic light-emitting layers, wherein the first isolation columns are formed on the substrate and arranged in the first direction of the substrate; the transparent electrode layers are formed on the substrate between two adjacent first isolation columns and on the first isolation columns; the transparent electrode layers formed on the substrate are mutually separated from the transparent electrode layers formed on the first isolation columns; and the organic light-emitting layers are formed on the corresponding transparent electrode layers on the substrate. Therefore, through utilization of a height difference between each first isolation column and the substrate, the transparent electrode layers in a second direction are naturally separated from each other, and an additional transparent electrode layer etching procedure is not needed.

The invention provides an OLED screen body. The OLED screen body comprises a substrate, a first electrode layer, an organic light-emitting layer and a second electrode layer; the first electrode layer, the organic light-emitting layer and the second electrode layer are disposed on the substrate in an overlap manner; and an insulation film layer is disposed between the first electrode layer and the organic light-emitting layer, the insulation film layer forms parallel or criss-cross light-emitting regions through etching, and the width of each light-emitting region is 5nm to 500[mu]m. The sizes of the light-emitting regions between the first electrode layer and the organic light-emitting layer are limited through the insulation film layer, efficiency roll-off of the screen body is reduced, a scattering film layer is added, brightness of the screen body and light-emitting uniformity of the screen body are further improved, and then the OLED screen body having high brightness is prepared.

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 method for fabricating an organic light emitting diode (OLED) display is provided. The fabricating method includes: forming a switch array layer on a base substrate; forming an organic light emitting display layer on the switch array layer; forming a thin film package layer on the organic light emitting display layer; and forming a superhydrophobic thin film on the thin film package layer using plasma chemical vapor deposition. The superhydrophobic thin film has a thickness smaller than a predetermined thickness.