Abstract: The disclosure provides a bonding method, the bonding method includes: bonding first areas of a plurality of flexible printed circuit boards on a substrate, the plurality of flexible printed circuit boards being sequentially arranged along a direction parallel to a first side of the substrate, and a second area of each of the flexible printed circuit boards exceeds the first side; cutting at least one of the flexible printed circuit boards to enable second sides of all the flexible printed circuit boards to be flush and parallel to the first side, wherein each of the second sides is a side of the second area away from the first area; and bonding second areas of the flexible printed circuit boards with a connection circuit board.

Abstract: A gray-level compensation method and apparatus, a display device and a computer storage medium are provided, which belong to the field of display technology. The method includes: acquiring an initial gray-level value of a target pixel; determining an actual luminance offset of the target pixel based on the initial gray-level value, where different initial gray-level values within a specified threshold range correspond to different actual luminance offsets; and performing a gray-level compensation on the target pixel based on the actual luminance offset. The actual luminance offset is determined based on the initial gray-level value of the target pixel, and since the different initial gray-level values within the specified threshold range correspond to the different actual luminance offsets, flexibility of gray-level compensation performed on the pixel is improved.

Abstract: This disclosure discloses a touch module, a method for fabricating the same, and a touch display device, and the touch module includes a touch area and a bezel area, and further includes: a first touch electrode structure located in the touch area, and configured to sense a touch signal in the touch area; a second touch electrode structure located in the bezel area, and configured to sense a touch signal in the bezel area; and the second touch electrode structure shares touch signal traveling lines with at least a part of the first touch electrode structure.

Abstract: A gamma correction method applied to a display screen to be debugged includes: for a color of the display screen to be debugged, arranging a plurality of reference points, arranging at least one transition point between two adjacent reference points, and obtaining a brightness adjustment curve representing a corresponding relationship between a brightness adjustment value and a gamma band according to the plurality of reference points and the at least one transition point. Each gamma band represents a set of register values corresponding to gray scales of the color at the brightness adjustment value corresponding to the gamma band.

Abstract: A touch substrate and a method for preparing the same, as well as a touch device are provided in embodiments of the disclosure, the touch substrate includes a substrate, the substrate having a touch area on a first surface thereof and a first peripheral area surrounding the touch area, the touch area including a plurality of first electrodes and a plurality of second electrodes arranged in a same layer and provided alternately to cross each other, and the first peripheral area including a plurality of first signal lines connected with the plurality of first electrodes, and a plurality of second signal lines connected with the plurality of second electrodes; and the touch substrate further includes an isolation layer provided on a second surface of the substrate, with an orthogonal projection of the isolation layer on the substrate covering orthogonal projections of the plurality of first signal lines and the plurality of second signal lines on the substrate, and the second substrate being opposite to the firs

Abstract: A touch panel, a method for manufacturing the same and a display device are disclosed. The touch panel includes: a substrate including a plane portion and at least one bending portion extending from an edge of the plane portion and bent to form a side of the plane portion; a plane touch module arranged at the plane portion and configured to sense a plane touch signal generated at the plane portion; and a side touch module arranged at the bending portion and configured to sense a side touch signal generated at the bending portion. A part of touch signal lines of the plane touch module are multiplexed as touch signal lines of the side touch module.

Abstract: This disclosure discloses a touch module, a method for fabricating the same, and a touch display device, and the touch module includes a touch area and a bezel area, and further includes: a first touch electrode structure located in the touch area, and configured to sense a touch signal in the touch area; a second touch electrode structure located in the bezel area, and configured to sense a touch signal in the bezel area; and the second touch electrode structure shares touch signal traveling lines with at least a part of the first touch electrode structure.

Abstract: A portable computer includes a display portion comprising a display, a base portion pivotally coupled to the display portion and including a glass top case. The glass top case defines an exterior surface and a keyboard opening through the glass top case from the exterior surface to an interior surface. The portable computer further includes a keyboard positioned at least partially within the keyboard opening and comprising a substrate, a key configured to move relative to the substrate, and a fabric cover disposed over the key and defining a user interface surface of the key.

Abstract: Embodiments of the present disclosure provide a display panel and a drive method thereof, and a display device. The display panel includes a plurality of sets of pixel columns and a plurality of drive circuits. Each of the sets of pixel columns includes a plurality of subpixel columns. The plurality of drive circuits correspond to the plurality of sets of pixel columns respectively. Each of the drive circuits is further configured to send, to an adjacent drive circuit, a source data signal for the subpixel column in the set of pixel columns of the drive circuit, and/or receive, from the adjacent drive circuit, a source data signal for the subpixel column in the set of pixel columns of the adjacent drive circuit and generate a data signal for driving the subpixel column in the set of pixel columns of the drive circuit, based on the received source data signal.

Abstract: The present invention discloses a train pantograph structural health monitoring system. The system includes one or more sensors mounted to or integrated with the train pantograph, a data acquisition unit for receiving signal or data from the sensors, and a processing unit for determining the train pantograph's structural health based on the received signal or data. Inspections via the system can be performed in real time continuously or periodically while a train is in service. It can also be performed offline while a train is not in service. Inspection method can be either passive, where sensors collect signals without generating excitation signals to the structure, or active, where some sensors are used as actuators to actively send excitation signals to the structure and other sensors or the actuators themselves collect the structural response signals. The data acquisition unit receives signals or data from sensors.

Abstract: The present disclosure provides a polarizer including: a first body portion, a second body portion and two third body portions. The polarizer is applied in a touch device, the polarizer is provided with a through hole, and the first body portion and the second body portion are respectively located on two sides of the through hole in a first direction. The first body portion is configured to attach to the pressing portion, and the second body portion is configured attach to the touch region of the touch substrate; and the two third body portions are respectively located on two sides of the first body portion in a second direction, each of the two third body portions connects the first body portion and the second body portion, and the second direction is perpendicular to the first direction.

Abstract: The present invention discloses an apparatus and method for scheduled, real-time, or on-demand monitoring of welding joints with in-situ sensors. The apparatus includes at least one ultrasonic actuator, at least one ultrasonic receiver, a control unit, and a signal processing unit. The control unit controls the ultrasonic actuators and the ultrasonic receivers. The signal processing unit determines the status of the welding joint based on the ultrasonic signals reflected from or transmitted through the welding joint. The invention enables monitoring of the status of the welding joint, tracking of the occurrence and expansion of the welding defect, and determining the position and severity of the defect in real time while the equipment is in service. The invention can optimize the maintenance efficiency, change the periodical inspection to automatic and real-time monitoring, and effectively prevent disaster accidents.

Abstract: A portable computer includes a display portion comprising a display and a base portion pivotally coupled to the display portion. The base portion may include a bottom case and a top case, formed from a dielectric material, coupled to the bottom case. The top case may include a top member defining a top surface of the base portion and a sidewall integrally formed with the top member and defining a side surface of the base portion. The portable computer may also include a sensing system including a first sensing system configured to determine a location of a touch input applied to the top surface of the base portion and a second sensing system configured to determine a force of the touch input.

Abstract: A method and a device for compensating for image crosstalk and a display apparatus are provided. The method includes: obtaining (S101) a data-voltage variation value between a data voltage applied to a pixel unit at a current scanning time instant and a data voltage applied to the pixel unit at a previous scanning time instant; determining a power-voltage variation value based on the data-voltage variation value (S102); setting a sum of the power-voltage variation value and an original data voltage to be applied to the pixel unit at a next time instant as a compensated data voltage of the pixel unit (S103); and setting the compensated data voltage of the pixel unit as an actual data voltage to be applied to the pixel unit at the next time instant (S104).

Abstract: A portable computer includes a display portion comprising a display and a base portion pivotally coupled to the display portion. The base portion may include a bottom case and a top case, formed from a dielectric material, coupled to the bottom case. The top case may include a top member defining a top surface of the base portion and a sidewall integrally formed with the top member and defining a side surface of the base portion. The portable computer may also include a sensing system including a first sensing system configured to determine a location of a touch input applied to the top surface of the base portion and a second sensing system configured to determine a force of the touch input.

Abstract: The present invention discloses a train coupler structural health monitoring system. The system includes one or more sensors mounted to or integrated with the train coupler, a data acquisition unit for receiving signal or data from the sensors, and a processing unit for determining the train coupler's structural health based on the received signal or data. Inspections via the system can be performed in real time continuously or periodically while a train is in service. It can also be performed offline while a train is not in service. Inspection method can be either passive, where sensors collect signals without generating excitation signals to the structure, or active, where some sensors are used as actuators to actively send excitation signals to the structure and other sensors or the actuators themselves collect the structural response signals. The data acquisition unit receives signals or data from sensors.

Abstract: Aspects of the subject technology relate to electronic devices with input devices. An input device may include a button or a key of a keyboard that uses a light sensor to detect key press events. The light sensor may detect changes in an amount of received light caused by actuation of a keycap of the button or key. The button or key may include an opaque structure that blocks a portion of the light when the key is compressed. The button or key may include a light source such as a light-emitting diode that generates light. A portion of the light from the light source may illuminate the key or button to provide backlight for the key and another portion may be received by the light sensor for detecting partial or complete compression of the button or key.