Abstract: A flexible display panel, a flexible display device and a method of forming the flexible display panel are provided. The flexible display panel includes: a substrate; thin film transistors arranged in an array on the substrate; an electroluminescent device arranged on the thin film transistors and driven by the thin film transistors, including a pixel defining layer and an electroluminescent material defined by the pixel defining layer; a thin film encapsulation layer on the electroluminescent device; a quantum dot photoconversion layer on the thin film encapsulation layer, including an isolation portion and a quantum dot luminescent material surrounded by the isolation portion, where an orthographic projection of the isolation portion onto the substrate covers an orthographic projection of the pixel defining layer onto the substrate; and a cover plate arranged on the quantum dot photoconversion layer.

Abstract: A display panel includes a pixel definition layer on a base substrate, having a plurality of first apertures extending there-through; a light emitting layer at least partially in the plurality of first apertures; an encapsulating layer on a side of the pixel definition layer and the light emitting layer away from the base substrate; a bank layer on a side of the encapsulating layer away from the base substrate, having a plurality of second apertures extending there-through; and a color conversion layer at least partially in the plurality of second apertures. The color conversion layer comprises a plurality of color conversion blocks. A minimum height of a bottom of the bank layer with respect to a surface of the base substrate is greater than a minimum height of a bottom of a respective color conversion block with respect to the surface of the base substrate.

Abstract: In some aspects, a device comprises a plurality of walls defining a slot and one or more channels wherein the one or more channels are intersected by the slot; wherein the one or more channels have a cross-section in a plane perpendicular to a vertical axis of the device that changes along the vertical axis; and one or more floats sized to allow movement of the one or more floats within said one or more channels, wherein the one or more floats have a surface characteristic that is different from the surface characteristic of the walls such that, upon contact with a fluid, said walls and said floats form different contact angles and induce a repulsive capillary force between the walls and the one or more floats at a surface of the fluid; and wherein the slot has a width that is smaller than the width of the one or more channels such that the one or more floats are prevented from moving between the one or more channels.

Abstract: The present disclosure provides a centrifugal fan impeller, a fan, and an air conditioning system, which solve the technical problems of a small air volume and large noise of a centrifugal fan, low efficiency of a fan, and a relatively concentrated airflow. The centrifugal fan impeller includes blades and a fixing disk, the blades being forward-curved structures and fixed to the fixing disk, wherein in a height direction of the blades, widths of all or part of the blades progressively increase from a suction port to the fixing disk, so that the suction port of the fan impeller is a tapering trumpet-like structure. The fan includes a centrifugal fan impeller, and a volute, which is inclined on two sides. The air conditioning system includes a fan.

Abstract: A color conversion substrate is provided. The color conversion substrate includes a first light scattering layer on a base substrate; a bank layer on a base substrate; a plurality of first apertures and a plurality of second apertures extending through the bank layer; a color conversion layer at least partially in the plurality of first apertures; and a second light scattering layer at least partially in the plurality of second apertures. The color conversion substrate has a first light transmissive region, a second light transmissive region, a third light transmissive region, and a light non-transmissive region. The first light scattering layer is at least partially in the third light transmissive region. The second light scattering layer is in the third light transmissive region. In the third light transmissive region, the first light scattering layer and the second light scattering layer are parts of a stacked structure.

Abstract: A display substrate includes multiple light emitting devices disposed on a base substrate for emitting light of a third color, and a first encapsulation structure layer and a light conversion layer sequentially stacked on a side of the multiple light emitting devices away from the base substrate; the light conversion layer includes a first quantum dot material emitting light of a first color after receiving the light of the third color emitted by the light emitting devices and a second quantum dot material emitting light of a second color after receiving the light of the third color emitted by the light emitting devices. The first encapsulation structure layer includes a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer that are sequentially stacked in a direction away from the base substrate; the organic encapsulation layer includes an organic encapsulation material and a dye.

Abstract: Disclosed is a model training method, a performance prediction method, an apparatus, a device and a medium, which relate to the technical field of display. The model training method includes acquiring a training sample set, wherein the training sample set includes: training design data and test data of a sample display device; inputting the training sample design data into a model to be trained, and training the model to be trained according to an output of the model to be trained and the training sample test data to obtain an initial prediction model; when the initial prediction model satisfies a pre-set condition, determining the initial prediction model as a performance prediction model; and a performance prediction model for predicting performance data of a target display device.

Abstract: A touch display panel and a preparation method, and a display apparatus. The touch display panel includes: a first base substrate, including sub-pixel regions; a group of light emitting devices, corresponding to the sub-pixel regions one to one; a first pixel defining layer, including first opening regions corresponding to the sub-pixel regions one to one; a group of quantum dot layers, in at least part of the first opening regions; a touch module, including a first touch electrode layer; and one layer of stacked insulation structure, configured to transmit light emitted by each quantum dot layer and reflect light emitted by the light emitting devices.

Abstract: A display panel, including a light-emitting base plate including light-emitting devices arranged in an array; first light-extracting layers, located on light-outlet sides of at least a part of the light-emitting devices, each including prisms extending along a first direction and arranged along a second direction; and second light-extracting layers, located on the light-outlet sides of the light-emitting devices, and on a side of the first light-extracting layers away from the light-emitting base plate, each including convex lenses arranged in an array, wherein an orthographic projection of the first light-extracting layer on the light-emitting base plate is within an orthographic projection of the second light-extracting layer on the light-emitting base plate, a maximum size of the prism along the second direction is less than or equal to a maximum size of the convex lens along the second direction, and the first direction intersects the second direction.

Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a first base substrate; a light emitting element layer, arranged on the first base substrate and configured to provide light of a first color; a color film layer, arranged at a side of the light emitting element layer away from the first base substrate; a color conversion layer, arranged between the light emitting element layer and the color film layer and configured to receive the light of the first color and convert at least part of the light of the first color into light of a second color; and a light extraction layer, arranged between the color conversion layer and the color film layer, and configured to converge at least one of the light of the first color and the light of the second color.

Abstract: The present disclosure provides a display panel, a display apparatus and a method for manufacturing a display panel. The display panel includes: a base substrate; light-emitting elements located on a side of the base substrate; a color conversion film layer located on a side, away from the base substrate, of the light-emitting elements and including a plurality of color conversion patterns in one-to-one correspondence with the light-emitting elements, each color conversion pattern includes a matrix and color conversion particles distributed in the matrix, and the color conversion particles convert light emitted by the light-emitting elements; and a first film layer located between the light-emitting elements and the color conversion film layer and adjacent to the color conversion film layer, a refractive index n1 of the first film layer and a refractive index n2 of the matrix satisfying: n2/n1>0.82.

Abstract: A display substrate includes a backplane, first light-emitting devices capable of emitting first color light, second light-emitting devices capable of emitting second color light that are all disposed on the backplane, a low-refractive-index intercalation layer disposed at a side, away from the backplane, of the first light-emitting devices and the second light-emitting devices, and an encapsulation layer. The encapsulation layer includes a first inorganic barrier layer, a first organic barrier layer and a second inorganic barrier layer that are sequentially stacked on a side of the low-refractive-index intercalation layer away from the backplane. A refractive index of the low-refractive-index intercalation layer is less than a refractive index of the first inorganic barrier layer.

Abstract: An optical coupler for use in optical communication includes a buried layer, a support layer, a waveguide layer, and an upper cladding layer. In a height direction, the support layer is located between the buried layer and the waveguide layer, and the waveguide layer is located between the support layer and the upper cladding layer. In a width direction, the waveguide layer and the support layer are located inside the upper cladding layer. A material of the waveguide layer is different from a material of the support layer. The support layer is located inside the upper cladding layer such that two sides of the support layer include the upper cladding layer.

Abstract: The present disclosure provides a display panel and a display apparatus. The display panel includes: a substrate, including a plurality of sub-pixel regions; a plurality of light emitting devices, located on one side of the substrate and corresponding to the sub-pixel regions one by one; a first pixel definition layer, located on one side, facing away from the substrate, of the light emitting devices and including first opening regions corresponding to the sub-pixel regions one by one; a plurality of quantum dot layers, located on the side, facing away from the substrate, of the light emitting devices and located in at least part of the first opening regions; and a plurality of first refractive index patterns, located between the light emitting devices and the quantum dot layers, where a refractive index of each quantum dot layer is greater than that of each first refractive index pattern.

Abstract: A display substrate includes a first base substrate; a reflective layer on the first base substrate; a color conversion layer on a side of the reflective layer away from the first base substrate; and a plurality of light sources in an inter-subpixel region and a color filter comprising a plurality of color filter blocks at least partially in a plurality of subpixel regions, respectively, on a side of the color conversion layer away from the reflective layer. One or more light sources of the plurality of light sources are in a first gap between two adjacent color filter blocks of the plurality of color filter blocks. An orthographic projection of the plurality of light sources and an orthographic projection of the color conversion layer on a plane perpendicular to a surface of the first base substrate and intersecting the plurality of light sources and the color conversion layer are non-overlapping.

Abstract: A display panel includes a light-emitting substrate, a light extraction structure layer and a color conversion layer, the light-emitting substrate provides incident light to the light extracting structure, the light-emitting substrate includes a light-emitting device; the light extraction structure layer is between the light-emitting substrate and the color conversion layer, the light extraction structure layer is configured to form at least a portion of the incident light provided by the light-emitting substrate into collimated light, and emit it towards the color conversion layer, the light extraction structure layer includes a light extraction pattern, at least two protrusions in the light extraction pattern have different sizes; the color conversion layer is configured to convert the collimated light into light with a specific color, or to transmit the collimated light, the color conversion layer includes a first color conversion pattern, a second color conversion pattern and a light transmission pattern.

Abstract: An optical signal sending apparatus includes an optical modulator, a differential driver, and a phase modulator. The optical modulator includes an optical input end, a first modulation region, a connection region, a second modulation region, and an optical output end. The first modulation region includes a first modulation arm and a second modulation arm. The second modulation region includes a third modulation arm and a fourth modulation arm. Each modulation arm includes an optical waveguide and electrodes on two sides of the optical waveguide. A differential drive signal is used to drive the two modulation regions, so that photoelectric signal modulation is implemented. The modulation arms are arranged in a stacked manner, so that a size of the optical modulator can be greatly reduced, thereby facilitating miniaturization.

Abstract: A display panel includes a first base substrate, a light-emitting device layer located on a side of the first base substrate, a color filter layer located on a side of the light-emitting device layer away from the first base substrate, a color conversion layer located between the light-emitting device layer and the color filler layer, a touch function layer located on a side of the color conversion layer away from the first base substrate and a light adjustment layer located on a side of the touch function layer away from the first base substrate. The light adjustment layer includes first particles and second particles. The first particles each include dye molecules. The second particles each have a hollow structure.

Abstract: A method for designing an integrated circuit layout includes: generating an analog standard cell library and designing the integrated circuit layout by using at least the analog standard cell library, where the step of generating the analog standard cell library includes creating a target analog standard cell that is included in the analog standard cell library and does not violate layout rules of digital standard cells. Another method for designing an integrated circuit layout includes: generating a mixed-signal standard cell library and designing the integrated circuit layout by using at least the mixed-signal standard cell library, where the step of generating the mixed-signal standard cell library includes creating a target mixed-signal standard cell that is included in the mixed-signal standard cell library and does not violate layout rules of digital standard cells.

Abstract: Provided are a display substrate, a manufacturing method thereof, a display device. The display substrate includes sub-pixel units on a base layer, each sub-pixel unit includes a light propagation unit including a first medium structure and a second medium structure, orthographic projections of the first medium structure and the light emitting unit on the base layer are at least partially overlapped, the second medium structure contacts at least one side of the first medium structure. The first medium structure has a refractive index larger than that of the second medium structure. A first included angle between a diagonal line and a bottom side of a first cross section of the first medium structure is equal to a total reflection angle at a contact surface between the first medium structure and the second medium structure. The first included angle is smaller than or equal to a preset angle.