Abstract: Methods for detecting and extracting plastic contaminants within a water sample, which involve introducing the water sample to a hydrophobic deep eutectic solvent, are provided.

Abstract: A sliding flexible display device is provided. The sliding flexible display device includes a flexible display panel and a sliding component for carrying the flexible display panel. The sliding component includes a plurality of sliding modules that may slide relatively. The display device has a contraction and stretching function under action of the sliding modules. The display device may be freely changed from a flat state to a retracted state and a folded state. The flexible display panel exhibits different folding forms as the states change, and achieves display screen continuity of the flexible display panel.

Abstract: Provided is a solar cell. The solar cell may include a semiconductor layer and a passivation film stack provided on a back surface of the semiconductor layer. The passivation film stack may include a first passivation layer provided on the back surface of the semiconductor layer and including a silicon-rich layer with a silicon atom concentration ranging from 5×1021/cm3 to 2.5×1022/cm3; a second passivation layer provided on a surface of the first passivation layer and including an oxygen-rich and nitrogen-rich layer; and a third passivation layer provided on a surface of the second passivation layer and including at least one silicon nitride film with a gradient-varied refractive index. A first refractive index of the first passivation layer may be greater than a second refractive index of the second passivation layer and smaller than a third refractive index of the third passivation layer.

Abstract: Apparatuses, systems, and techniques to select a nueral network architecture from a plurality of neural networs in a federated learning (FL) settng. In at least one embodiment, a neural network is trained by combining training resutls from different FL computing systesms, where each of the different FL computing systems, for example, trains different portions of the nerual network.

Abstract: The present invention provides a rollable display device and a rollable display apparatus. The rollable display device includes a rollable display panel and at least one main flexible circuit board. The rollable display panel includes a driving portion having at least one connection portion. The connection portion includes a wiring region including a plurality of external lines, and one end of each of the external lines is connected to the display region. The main flexible circuit board is arranged corresponding to a flexible connector, and a width of the main flexible circuit board is less than a predetermined value.

Abstract: An organic light emitting diode touch display panel and a method for driving time division multiplexing are disclosed. The OLED touch display panel with a patterned cathode uses a pixel definition layer of a LTPS array substrate to form sensor pads. By adding a time division multiplexing circuit unit to each voltage signal traces outside the display area of the touch display panel, the power signal traces of the source and drain layer of the LTPS array substrate are multiplexed, and peeling during the flexible screen bending process can be prevented.

Abstract: An organic light-emitting diode (OLED) display panel and a display device are provided. The OLED display panel includes a substrate, a driving circuit layer formed on a side of the substrate, a light-emitting material layer formed on a side of the driving circuit layer away from the substrate, a sensing unit formed on another side of the substrate away from the driving circuit layer and configured to receive light reflected by a fingerprint surface. In a fingerprint identifying region of the OLED display panel, the substrate includes a through hole, and the light emitted from the light-emitting material layer and reflected by the fingerprint surface travels through the through hole and arrivals the sensing unit.

Abstract: An embodiment of the present invention provides a folding display panel and a display device. The folding display panel has a first side and a second side opposite to each other, and a third side and a fourth side opposite to each other, the first side and the second side are perpendicular to the third side and the fourth side, and are connected to the third side and the fourth side. The display screen can fold into at least two horizontal display surfaces along a horizontal folding pivot shaft parallel to the first side and the second side, or can fold into at least two vertical display surfaces along a vertical folding pivot shaft perpendicular to the first side and the second side. The present invention sets forth configuration and application of a perpendicularly intersecting screen.

Abstract: A display panel comprises a display area, a bending area and a bonding area. The bending area is connected to the bonding area and the display area, the bonding area is disposed under the display area, and the bonding area is attached to the display area by at least one glass substrate. A glass substrate is substituted for current support layer in the bonding area. The glass substrate has a greater hardness compared to the support layer, and can reduce damages to the terminals in the bonding area caused by an external force.

Abstract: An organic light emitting diode touch display panel and a method for driving time division multiplexing are disclosed. The OLED touch display panel with a patterned cathode uses a pixel definition layer of a LTPS array substrate to form sensor pads. By adding a time division multiplexing circuit unit to each voltage signal traces outside the display area of the touch display panel, the power signal traces of the source and drain layer of the LTPS array substrate are multiplexed, and peeling during the flexible screen bending process can be prevented.

Abstract: An organic light-emitting diode (OLED) display panel is provided. The OLED display panel includes touch sensors, pressure sensors and fingerprint recognition sensors integrated in the OLED display panel. The touch sensors are distributed entirely over an effective display area of the OLED display panel, the pressure sensors are distributed near a rim of the effective display area, and the fingerprint recognition sensors are distributed at a lower portion of the effective display area. An operating method of the OLED display panel is also provided. The OLED display panel and the operating method thereof provide a product integrating three technologies, namely, touch, pressure sensing, and fingerprint recognition, in one piece.

Abstract: A solar cell is provided. The solar cell at least includes a semiconductor layer and a plurality of passivation layers provided on a back surface of the semiconductor layer. The passivation layers include a first silicon oxynitride film layer having a first refractive index, a second silicon oxynitride film layer having a second refractive index and provided on a surface of the first silicon oxynitride film layer, and a silicon nitride film layer having a third refractive index and provided on a surface of the second silicon oxynitride film layer.

Abstract: Provided is a solar cell. The solar cell may include a semiconductor layer and a passivation film stack provided on a back surface of the semiconductor layer. The passivation film stack may include a first passivation layer provided on the back surface of the semiconductor layer and including a silicon-rich layer with a silicon atom concentration ranging from 5×1021/cm3 to 2.5×1022/cm3; a second passivation layer provided on a surface of the first passivation layer and including an oxygen-rich and nitrogen-rich layer; and a third passivation layer provided on a surface of the second passivation layer and including at least one silicon nitride film with a gradient-varied refractive index. A first refractive index of the first passivation layer may be greater than a second refractive index of the second passivation layer and smaller than a third refractive index of the third passivation layer.

Abstract: A display panel comprises a display area, a bending area and a bonding area. The bending area is connected to the bonding area and the display area, the bonding area is disposed under the display area, and the bonding area is attached to the display area by at least one glass substrate. A glass substrate is substituted for current support layer in the bonding area.

Abstract: An organic light-emitting diode (OLED) display panel and a display device are provided. The OLED display panel includes a substrate, a driving circuit layer formed on a side of the substrate, a light-emitting material layer formed on a side of the driving circuit layer away from the substrate, a sensing unit formed on another side of the substrate away from the driving circuit layer and configured to receive light reflected by a fingerprint surface. In a fingerprint identifying region of the OLED display panel, the substrate includes a through hole, and the light emitted from the light-emitting material layer and reflected by the fingerprint surface travels through the through hole and arrivals the sensing unit.

Abstract: The present application provides a display panel and a display device. The display panel includes a cathode layer formed by a low-temperature process, and a first gap is disposed on the cathode layer. In the present application, generated lines of force are not shielded by the cathode layer because the first gap is disposed on the cathode layer. After a finger touches screen, the generated lines of force can penetrate a structure under the cathode layer. The cathode layer is formed by the low-temperature process, thereby avoiding damage to luminescent material.

Abstract: A computer-implemented method for segmenting an input image, the method comprises: generating a first segmentation of the input image using a first machine learning system, the first segmentation comprising multiple segments; receiving, from a user, at least one indication, wherein each indication corresponds to a particular segment from the multiple segments, and indicates one or more locations of the input image as belonging to that particular segment; constructing, for each segment of the multiple segments having at least one corresponding indication, a respective geodesic distance map, based on the input image and the user indications received for that segment; and generating a second segmentation using a second machine learning system based on the input image and the constructed geodesic distance maps.

Abstract: Example embodiments for generating a user interface are presented. In an example embodiment, a layout definition for the interface is accessed, in which the layout definition defines user interface groups, each of which include one or more user interface elements. Also accessed are metadata describing the groups and the elements of each group, with each element having a corresponding type. One or more control renderers are also accessed, with each control renderer including programming code to render those of the elements of a corresponding type based on the metadata. Also accessed are one or more context renderers, with each context renderer including programming code to arrange the rendered elements in a layout for the user interface based on relationships between groups. The control renderers and context renderers are executed to render the user interface.

Abstract: Example embodiments for generating a user interface are presented. In an example embodiment, a layout definition for the interface is accessed, in which the layout definition defines user interface groups, each of which include one or more user interface elements. Also accessed are metadata describing the groups and the elements of each group, with each element having a corresponding type. One or more control renderers are also accessed, with each control renderer including programming code to render those of the elements of a corresponding type based on the metadata. Also accessed are one or more context renderers, with each context renderer including programming code to arrange the rendered elements in a layout for the user interface based on relationships between groups. The control renderers and context renderers are executed to render the user interface.

Abstract: The present invention relates to a display panel and a display module, the display panel comprises a display region and a non-display region, and boundaries between the display region and the non-display region comprise at least one arc structure. The technical effects of the present invention are that it is beneficial to design a display module with an arc and narrow frame, which greatly reduces the range of the frame, increases the area that can be displayed, it is more consistent with the natural display contour of the human eye's physiology, with more comfortable, natural and fantastic display effect.