Abstract: Aspects of the disclosure include methods and systems for proactive content service delivery. An exemplary method can include determining a delivery interval for a content update by defining delivery interval dimensions, each of a unique combination of time and user cohorts, determining a time cohort and a user cohort for the user, and selecting a predetermined delivery interval of the delivery interval dimension matching the time cohort and the user cohort of the user as the delivery interval. The method further includes determining a delivery content by training a classification model to predict whether content will result in an impression, inputting, into the classification model, the content update, receiving an impression score for the content update, and selecting one of a full update and a partial update as the delivery content from the impression score. The content update can be pushed to a client device according to the delivery interval.

Abstract: Embodiments of the present application provide a battery and an electric apparatus, and the battery includes a battery cell, a control element, and a sound-insulation component. The control element is electrically connected to the battery cell, and the sound-insulation component is provided adjacent to the control element. In the embodiments of the present application, the sound-insulation component is provided inside the battery and on a surface of the control element, so that a sound produced by the control element is absorbed inside the battery, thereby achieving effective control of noise. Further, most of the noise generated by the control element is not transmitted into a vehicle through a vehicle chassis, so that the noise inside the vehicle can be reduced, and a riding experience of a passenger can be improved.

Abstract: The present disclosure relates to a box body (10), a battery (100), and an electric device. The box body (10) has a top surface (h). The top surface (h) of the box body (10) is configured to be brought in contact with an external device at which the battery (100) is mounted. An outer wall of the box body (10) is provided with a wiring portion (13a4) located below the top surface (h) of the box body (10) and having a wiring space configured to allow for passing of a harness.

Abstract: This application provides a travel information sharing method, performed by an on-board terminal, the method comprising: displaying a travel interface of the on-board terminal by using an on-board map application, the travel interface displaying current travel information of the on-board terminal; calling an on-board social application in response to a sharing operation in the travel interface, the sharing operation being configured for indicating sharing the travel information; and sharing, by using the on-board social application, the travel information with a second user associated with a first user, the first user being a user of the on-board terminal logging into the on-board social application.

Abstract: A battery and an electrical apparatus are provided. The battery includes a box, at least two battery cells and a reinforcing member. The box has an accommodating cavity, and the at least two battery cells are accommodated in the accommodating cavity. Each battery cell includes an electrode assembly and an electrode terminal which are electrically connected to each other. The battery cell includes a first wall, and the first wall is the wall with the largest area in the battery cell. The reinforcing member is connected to the at least two battery cells, wherein the reinforcing member is thermally conductively connected to the first walls of the at least two battery cells.

Abstract: A battery and an electrical apparatus are provided. The battery comprises a box and a battery cell, wherein an accommodating cavity is provided within the box, the accommodating cavity comprises a top wall and a bottom wall which are oppositely arranged in a vertical direction, the battery cell is provided within the accommodating cavity, and comprises an electrode assembly and an electrode terminal, wherein the electrode assembly is electrically connected to the electrode terminal, the battery cell is fixed within the accommodating cavity, and the electrode terminal is arranged towards the bottom wall of the accommodating cavity.

Abstract: A display panel includes a driving backplane, a first electrode layer, a pixel definition layer, a light-emitting layer and a second electrode. The first electrode layer is disposed on one side of the driving backplane and includes a plurality of first electrodes. The pixel definition layer is arranged on the side, same as the first electrode layer, of the driving backplane and being provided with a pixel opening exposing each of the first electrodes. The pixel definition layer is provided with a separation slot formed between adjacent ones of the first electrodes; and a first cut-off slot is provided on a sidewall of the pixel definition layer. The light-emitting layer covers the cut-off layer and the first electrode layer. The second electrode covers the light-emitting layer.

Abstract: The array substrate includes: a base substrate including a display region and a peripheral region; a plurality of data signal lines; a plurality of touch signal lines; a driving chip, where the peripheral region includes a fan-out region, the fan-out region includes a first sub-region and a second sub-region, and the first sub-region is closer to the display region than the second sub-region; the array substrate further includes a plurality of data signal leads located in the fan-out region and a plurality of touch signal leads located in the fan-out region; the data signal lead includes a first data signal sub-lead located in the first sub-region and a second data signal sub-lead located in the second sub-region, and the touch signal lead includes a first touch signal sub-lead located in the first sub-region and a second touch signal sub-lead located in the second sub-region.

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, sub-pixels, signal lines and signal line connection lines. The base substrate includes a first region and a second region, and a number of the sub-pixels along a first direction in the first region is larger than a number of the sub-pixels along the first direction in the second region. The signal line connection lines are electrically connected with the signal lines located in the second region. The display substrate further includes overlapping traces disposed at intervals and located in a layer different from that of the signal line connection lines. An orthographic projection of at least one of the signal line connection lines on the base substrate is completely within an orthographic projection of at least one of the overlapping traces on the base substrate.

Abstract: A display apparatus, and a display panel and a manufacturing method therefor. The display panel includes a driving backplane and a plurality of light-emitting modules on one side of the driving backplane, the driving backplane is provided with a pixel region including a central region and n offset regions, and n is a positive integer. Each light-emitting module includes a plurality of light-emitting units, and each light-emitting unit includes a corresponding light-emitting device and a corresponding converging lens; in any light-emitting unit of an offset region, the center of a light-emitting device is offset to the side of the center of a converging lens away from the central region, so as to obtain an offset amount and an offset direction; the offset amounts of light-emitting units of a same offset region are the same; the offset directions of light-emitting units of a same light-emitting module are the same.

Abstract: Provided is a display panel, including: a substrate, a light-emitting structure, a light-shielding layer, and a cover plate. The substrate includes a display region and a bezel region. The bezel region surrounds the display region. The light-emitting structure is disposed on the substrate. The light-shielding layer is disposed on the substrate where the light-emitting structure is disposed, and the light-shielding layer is disposed in the bezel region. The cover plate is disposed on a side, distal from the substrate, of the light-light-shielding layer, and the cover plate includes a first plate body disposed in the display region and a second plate body extending from the first plate body to the bezel region. An orthographic projection of the second plate body on the substrate is within an orthographic projection of the light-shielding layer on the substrate.

Abstract: The present disclosure relates to an electric motor cooling arrangement including an end oil spray assembly arranged at both ends of a stator of an electric motor, being used to spray cooling oil towards a winding head of the stator to cool the winding head, and a water cooling assembly arranged to surround at least the core part of the stator, wherein cooling water circulates in the water cooling assembly to cool the core part of the stator.

Abstract: An operation control method suitable for a fire extinguishing system of an extra-high voltage converter station is provided. The method includes: after an upper computer control system receives a sound-light alarm signal, an alarm position signal, and a switch position dividing signal, starting a spray range prediction analysis subsystem for a fixed fire monitor; determining, by the spray range prediction analysis subsystem for the fixed fire monitor based on an external wind direction and an external wind speed, whether a range of a fire monitor effectively covers an entire area of a converter transformer; and if yes, automatically presetting a first fire monitor to which a first compressed air foam generation subsystem belongs and a second fire monitor to which a second compressed air foam generation subsystem belongs; or if no, replacing a fire monitor with a mobile fire-fighting robot to extinguish a fire.

Abstract: A pixel structure, a driving method thereof, a display panel, and a display apparatus are provided. The pixel structure includes: a plurality of pixel rows and a plurality of pixel columns. Each pixel row includes: sub-pixels of four different colors. The plurality of pixel columns include: a plurality of first pixel columns and a plurality of second pixel columns arranged alternately. Each of the first pixel columns includes: sub-pixels of three of the four different colors. Each of the second pixel columns includes: sub-pixels of another color other than the three of the four different colors.

Abstract: A head-up display includes a picture generation unit and a first lens. The picture generation unit is configured to output a first light ray and a second light ray. The first light ray is used to output and display a first picture, and the second light ray is used to output and display a second picture. When the first lens is at the first position, the first light ray and the second light ray do not pass through the first lens. When the first lens is at the second position, the first light ray passes through the first lens. The head-up display can implement switching between a single image plane and a plurality of image planes.

Abstract: Disclosed is a flexible filter spectral camera. A flexible filter module includes N flexible filter units corresponding to N different wavebands, respectively, where N is a positive integer greater than or equal to 2. A CMOS (Complementary Metal Oxide Semiconductor) module is used to convert incident light into a digital signal. Any one of the N flexible filter units can be switched to a preset position to filter light emitted from a lens and transmit light at a corresponding waveband to the CMOS module. The preset position is between the lens and the CMOS module. An image processor is connected to the CMOS module and is used to convert the digital signal into an image. In accordance with the present disclosure, precision imaging of the lens is achieved, the overlapping accuracy and imaging quality of the images are improved, and meanwhile, the processing efficiency for overlapped images is improved.

Abstract: The present application relates to a box, a battery and an electrical apparatus. The box is provided with an accommodating cavity for accommodating a battery cell, and a top surface facing away from the accommodating cavity. The top surface of the box is provided with a first region, a second region and a sealing region between the first region and the second region, the sealing region surrounds the first region, the sealing region is configured to mount a sealing member, the second region is configured with a hanging portion, and the battery is mounted to an external device via the hanging portion such that the sealing member is in contact with the external device. The sealing region and the second region (hb) are coplanar.

Abstract: An interferometric displacement measurement system and method based on phase modulation of polarized light of micro probe are provided. An electro-optic phase modulator is used to perform sinusoidal phase modulation on a light beam emitted by a semiconductor laser to obtain an adjusted light beam. The adjusted light beam is divided by a polarization beam splitter to generate a reference light beam and a measurement light beam. The two light beams are respectively reflected by a built-in reflection surface of a micro probe and a target mirror, and transmitted to a polarization-maintaining fiber circulator. The reference light beam interferes with the measurement light beam at a fiber optic polarization element to generate an interference light signal. A photodetector converts the interference light signal into an interference electrical signal, and the interference electrical signal is demodulated by a signal demodulator to obtain a displacement value of the target mirror.

Abstract: Provided in the present invention are an insulated gate bipolar transistor with a super junction structure, and a preparation method therefor.

Abstract: This application relates to a box, a battery, and an electric apparatus. The box has an accommodating cavity for accommodating a battery cell and a top surface facing away from the accommodating cavity; a first region and a second region are formed on the top surface of the box. The second region surrounds the first region, the second region is constructed with multiple mounting portions, and the battery is mounted to an external apparatus through the mounting portions. A distance between geometric centers of orthographic projections of every two adjacent mounting portions in the second region is 80 mm-500 mm.