Abstract: The present disclosure provides a display backboard, a method for fabricating the same and a display device. The display backboard includes a plurality of pixel units arranged in an array, each of the pixel units includes a plurality of sub-pixels, and each of the sub-pixels includes a substrate, a first electrode, a light emitting layer, and a second electrode stacked in sequence. The plurality of the sub-pixels have different emission colors, and thicknesses of the first electrodes among the plurality of the sub-pixels are different, and the thickness of the first electrode is configured so that an emission dipole of the sub-pixel is located at a second anti-node of standing wave on the first electrode side.

Abstract: A pixel definition layer for defining a light emitting device, an array substrate and a display panel are provided. The pixel definition layer includes a plurality of recessed parts, each of the plurality of recessed parts includes a bottom and an entire sidewall extending upwards from the bottom; and at least one of the plurality of recessed parts has the entire sidewall provided with a position-limiting structure.

Abstract: A method for supporting aerial operation over a surface includes obtaining a representation of the surface that comprises a plurality of flight sections, and identifying a flight path based on the representation of the surface. The flight path allows an aircraft, when following the flight path, to conduct an operation over the flight sections.

Abstract: A control method for a pixel circuit, a control circuit for a pixel circuit and a display device are provided. A timing sequence of the pixel circuit includes a driving display stage and a non-display stage. The non-display stage includes a reverse bias time period. The control method includes: inputting, in the reverse bias time period, a first control signal to an input end of the pixel circuit to make both the light-emitting element and the driving transistor to be reverse biased.

Abstract: A light-emitting structure, a display device and a light source device are disclosed; the light-emitting structure comprises a first light-emitting component (10) and a second light-emitting component (20). The first light-emitting component (10) comprises a first light-emitting layer (12) and a second light-emitting layer (14) and the second light-emitting component (20) comprises a third light-emitting layer (22). A combination of electrical connection of the first light-emitting component (10) and the second light-emitting component (14) is driven by AC current as a whole; the first light-emitting layer (12) and the second light-emitting layer (14) do not emit light at the same time; the third light-emitting layer (22) emits light at the same time either with the first light-emitting layer (12) or the second light-emitting layer (14). AC drive is adopted in the light-emitting structure and is easy to achieve adjustment of color and illumination intensity.

Abstract: A traceable data audit apparatus, method, and non-transitory computer readable storage medium thereof are provided. The traceable data audit apparatus is stored with an original data set. The original data set includes a plurality of records and is defined with a plurality of fields. Each of the records has a plurality of items corresponding to the fields one-on-one. The fields are classified into an identity sensitive subset and an identity insensitive subset. The traceable data audit apparatus generates a released data set by applying a de-identification operation to each of the items corresponding to the fields in the identity sensitive subset and stores an audit log of the original data set. The audit log includes a date, a consumer identity, an identity of the original data set, and a plurality of evidences. Each of the evidence is one of the records of the released data set.

Abstract: An organic electroluminescence display substrate and a fabrication method thereof, a display panel and a display device are provided. The organic electroluminescence display substrate includes a pixel array and a light extraction layer. The pixel array includes a plurality of pixels, each pixel includes a first sub-pixel emitting light of a first color, and each first sub-pixel includes an organic electroluminescence element. The light extraction layer covers on the pixel array, and at least includes a plurality of first light extraction units and a plurality of second light extraction units arranged in parallel and having different optical properties. A cathode light-emission side of each first sub-pixel is covered by at least one first light extraction unit and at least one second light extraction unit, or the cathode light-emission sides of two adjacent first sub-pixels are respectively covered by at least one first light extraction unit and at least one second light extraction unit.

Abstract: The present invention discloses an electroluminescent display and a display device, the electroluminescent display comprising a base substrate and a plurality of pixel units arranged in arrays on the base substrate. Each pixel unit is composed of at least four subpixel units, and each pixel unit comprises at least three luminescent material layers. Each luminescent material layer at least covers two adjacent subpixel units, and only one luminescent material layer in each subpixel unit emits light. Since each luminescent material layer at least covers two adjacent subpixel units, when a luminescent material is evaporated and coated by an evaporation coating process, the subpixel units can be made smaller with the size of the mask plate unchanged, which is helpful for improving the resolution of the display.

Abstract: The present disclosure provides an organic light-emitting pixel with four subpixels formed in two groups, each group having two adjacent subpixels. The organic light-emitting pixel includes a first electrode layer formed on a substrate, including a plurality of first electrodes, each first electrode corresponding to one of the subpixels; a second electrode layer; and a first functional layer corresponding to three of the four subpixels. The first function layer is configured to adjust a distance between a first electrode and the second electrode layer. The organic light-emitting pixel also includes a light-emitting layer including a first portion and a second portion, the first portion corresponding to one of the two groups of subpixels and the second portion corresponding to another one of the two groups of subpixels, respectively.

Abstract: An OLED display device includes a substrate and an OLED display units formed on the substrate, in which n is an integer which is greater than 1. The OLED display unit comprises: a first electrode, a first functional layer, a second electrode, a second functional layer, and a first light-emitting layer and a second light-emitting layer disposed between the first functional layer and the second functional layer; the first functional layer is disposed above the first electrode and the second functional layer is disposed below the second electrode, or, the first functional layer is disposed below the first electrode and the second functional layer is disposed above the second electrode. Wherein, the first light-emitting layer and the second light-emitting layer are disposed side by side in a horizontal direction, and, each of the light-emitting layers corresponds to at least two sub-pixels in the OLED display unit.

Abstract: The disclosure relates to a pixel element, a method for driving the same, a display panel, and a display device. The pixel element includes at least two sub-pixels, each of which includes a first electrode, a first light emitting layer, a second electrode, a second light emitting layer, and a third electrode arranged in that order, wherein there is at least one sub-pixel which includes a first light emitting layer and a second light emitting layer with different emission colors; and a total number of emission colors of all light emitting layers in the at least two sub-pixels is at least three.

Abstract: A film production method and system are provided. The film production method includes: forming an ink layer on the base substrate covering the surface of the base substrate, the ink layer including a solvent and a film-forming material dissolved in the solvent; blowing gas to the ink layer so that the solvent in the ink layer spreads towards the periphery of the base substrate; removing the solvent in the ink layer so that the film-forming material in the ink layer forms a film covering the surface of the base substrate. The film production system applies to the film production method described above.

Abstract: A display panel, a driving method thereof, and a display device are provided in the field of display technology. The display panel includes: a plurality of sub-pixels arranged in an array. The plurality of sub-pixels arranged in an array include at least one target sub-pixel, and each target sub-pixel includes: a first electrode, a second electrode and N light-emitting units arranged in a laminated mode between the first electrode and the second electrode, wherein N is an integer greater than 1. A transparent electrode is arranged between any two adjacent light-emitting units among the N light-emitting units, and each light-emitting unit is configured to emit light under the drive of two electrodes adjacent thereto.

Abstract: The present disclosure provides an organic light emitting diode (OLED) and a manufacturing method of the same, and a display device. The OLED comprises a first portion and a second portion which are manufactured by different processes and sequentially stacked, wherein the first portion comprises a first carrier transport layer, a first light emitting layer, and a connecting layer between the first light emitting layer and the second portion, which are sequentially stacked, the second portion comprises a second carrier transport layer, the first light emitting layer comprises an N-type base material and a P-type base material, and the connecting layer comprises a material corresponding to carriers in the first carrier transport layer. The OLED provided by the present disclosure can not only make light emission stable, maintain a good efficiency of light emission, but obtain light with an ideal color and prevent a phenomenon of “unexpected emission of light”.

Abstract: The embodiments of the present disclosure provide an organic light emitting device including a first electrode, a second electrode, and an organic functional layer, wherein the organic functional layer includes a first doped layer fabricated in a first process, a second doped layer fabricated in a second process, and an auxiliary layer formed between the first doped layer and the second doped layer, wherein the auxiliary layer is used to improve the performance of the first doped layer. The embodiments of the present disclosure further provide a method for fabricating the organic light emitting device. The embodiments of the present disclosure also provide a display apparatus including the organic light emitting device.

Abstract: This disclosure relates to an electroluminescent display, a manufacture method thereof, and a display device. The electroluminescent display device comprises: a substrate, and a plurality of pixel units arranged in an array on the substrate. Each pixel unit comprises a plurality of sub-pixel units. Each pixel unit comprises at least two light-emitting layers connected in series. Furthermore, in each pixel unit, at least one light-emitting layer comprises at least two light-emitting units arranged in parallel and emitting light of different colors. Besides, in each pixel unit, at least one light-emitting unit is configured to be shared by two adjacent sub-pixel units of a corresponding pixel unit.

Abstract: Embodiments of the present disclosure provide an array substrate, a method for producing the same and a display apparatus. The array substrate includes a base substrate; and first to fourth light emitting units provided on the base substrate and arranged periodically thereon. Each light emitting unit of the first to fourth light emitting units includes a first electrode, a second electrode and an organic material function layer, and the organic material function layer comprises a light emitting portion. The light emitting portion includes a first light emitting layer within the second and third light emitting units, a second light emitting layer within the first and second light emitting units, and a third light emitting layer within the third and fourth light emitting units. The first light emitting layer is configured to emit light within at least one of the second and third light emitting units.

Abstract: The embodiments of the present disclosure provide an organic light emitting device including a first electrode, a second electrode, and an organic functional layer, wherein the organic functional layer includes a first doped layer fabricated in a first process, a second doped layer fabricated in a second process, and an auxiliary layer formed between the first doped layer and the second doped layer, wherein the auxiliary layer is used to improve the performance of the first doped layer. The embodiments of the present disclosure further provide a method for fabricating the organic light emitting device. The embodiments of the present disclosure also provide a display apparatus including the organic light emitting device.

Abstract: The present invention discloses a pixel structure, an organic light emitting display panel and a method for fabricating the same, and a display device. The pixel structure includes a plurality of organic light emitting diodes capable of emitting light of multiple colors and a plurality of light filtering portions provided at a light emitting side of the plurality of organic light emitting diodes, wherein each light filtering portion is provided in correspondence with each of a part of the organic light emitting diodes, such that light emitted from each of the part of the organic light emitting diodes passes through corresponding light filtering portion while light emitted from the remaining of the organic light emitting diodes does not pass through any light filtering portion, and the light filtering portions each process light having a color corresponding to the color of light emitted by corresponding organic light emitting diode.

Abstract: An OLED curved-surface display panel is provided. The display panel includes a second transparent electrode, an organic luminescent layer, a first transparent electrode, and a reflective electrode, wherein the second transparent electrode is closer to a display side than the first transparent electrode, and wherein a thickness of the first transparent electrode increases from a middle portion of the first transparent electrode to an edge portion of the first transparent electrode.