Abstract: The application provides a pixel circuit, a driving method, a display panel and a display device. The pixel circuit includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a driving transistor, a storage capacitor and a light emitting element, and by cooperative driving of the respective transistors and the storage capacitor, the driving current of the driving transistor can be independent of the gate-source voltage and the threshold voltage of the driving transistor.

Abstract: Computer-implemented systems, methods, and media for making a recommendation or a non-recommendation to a user comprising: a software module configured to calculate a social distance between a first and a second user; a software module configured to allow the first and the second user to rate a plurality of items using a gamified rating model; a software module configured to analyze a degree of similarity between the first and the second user based on the ratings of the plurality of items by the first and the second user; a software module configured to make a recommendation or a non-recommendation to the first user based on the social distance and the degree of similarity between the first and the second user, and the ratings of the plurality of items; and a software module configured to present the recommendation or non-recommendation in a manner that comprises a ranked list.

Abstract: An Organic Light Emitting Diode pixel compensation circuit is disclosed. The circuit includes first through fifth transistors, and a storage capacitor. The first transistor is coupled to a first scan signal, a power supply voltage, and a first electrode of the storage capacitor. In addition, the second transistor is coupled to the first scan signal, a data signal, and the third transistor. The third transistor is coupled to the power supply voltage, and the fifth transistor. Furthermore, the fourth transistor is coupled to a second scan signal, the third transistor, and the storage capacitor, and fifth transistor is coupled to a light emitting signal, and the OLED. In addition, the storage capacitor is coupled to the fifth transistor, and a low-level signal and emits light based on a drive current generated by the third transistor.

Abstract: An OLED pixel compensation circuit includes first, second, third, fourth, fifth, sixth and seventh transistors and a storage capacitor. The first transistor has a gate electrode coupled to a scan signal, a first electrode coupled to a data signal, and a second electrode coupled to a gate electrode of the fifth transistor. The second transistor has a gate electrode coupled to the scan signal, a first electrode coupled to a power supply voltage, and a second electrode coupled to a second electrode of the storage capacitor. The third transistor has a gate electrode coupled to a first light emitting signal, a first electrode coupled to the power supply voltage. The transistors and the storage capacitor are configured to compensate the threshold voltage drift of the fifth transistor, which is the driving transistor for the OLED.

Abstract: A pixel circuit, an organic electroluminescent display panel and a display device are provided. The pixel circuit includes a light emitting element, a first capacitor, a reset control module, a drive control module, a compensation control module, and a light emission control module. In a reset phase, the reset control module writes a reset signal at a reset signal end into a second end of the first capacitor. In a compensation phase, the reset control module writes a data signal at a data signal end into a first end of the first capacitor, and the drive control module charges the first capacitor through the compensation control module. In a light emission phase, both the light emission control module and the first capacitor enable the drive control module to drive the light emitting element with a stable current for emission of light.

Abstract: Described are chat platforms, systems, applications, and methods including multi-room chat streams and navigable, topical hierarchies of chat rooms. Users are provided with the option of choosing different identity profiles for different chat rooms, and chat messages are visually distinguished in the stream based on the identity in use.

Abstract: A display device includes a common electrode receiving a common voltage, a display media layer, and a substrate. The substrate defines a display area and a border area surrounding the display area. The display area includes a plurality of pixel electrodes and a plurality of signal lines. The pixel electrodes receive data voltages. The media layer displays images based on the data voltages and the common voltage. The signal lines transmit signals. The border area includes a common electrode line and at least one electrostatic discharge component. The common electrode line is connected to the common electrode and transmits the common voltage to the common electrode. Each electrostatic discharge component is connected between a signal line and the common electrode line.

Abstract: An array substrate of an LCD includes a substrate, a first wiring layer, a semiconductor film, an insulating layer, a second wiring layer, a passivation layer, a conductive film, and a spacer. The first wiring layer is patterned to a gate line, a gate electrode, and a first laminating layer. The semiconductor film is patterned to a channel layer and a second laminating layer. The second wiring layer is patterned to a source line, a source electrode, a drain electrode, and a third laminating layer. The conductive film is patterned to a pixel electrode and a fourth laminating layer. The spacer is a laminating structure at least includes the first, second, third, fourth laminating layers. A portion of insulating layer overlaps with the first laminating layer, and a portion of passivation layer overlaps with the third laminating layer.

Abstract: Described are chat platforms, systems, applications, and methods including multi-room chat streams and navigable, topical hierarchies of chat rooms navigable.

Abstract: In a computing device, a computerized method and a non-transitory storage medium are applied in checking whether the transmission lines in a stored wiring diagram meet a certain criterion in relation to vias in the routes of differential pairs. A transmission line is selected to determine whether or not the line belongs to a differential pair and passes through at least one via. Another transmission line of the differential pair is obtained for analysis when the selected transmission line passes through at least one via. Sizes of vias in the respective routes of the differential pair are compared and a distance between the vias of the differential pair is compared. The differential pair, and the sizes of vias which comply or do not comply with the criterion are recorded and displayed in a list of results.

Abstract: In a computing device, a computerized method and a non-transitory storage medium are applied in checking whether the transmission lines in a stored wiring diagram meet a certain criterion in relation to vias in the routes of differential pairs. A transmission line is selected to determine whether or not the line belongs to a differential pair and passes through at least one via. Another transmission line of the differential pair is obtained for analysis when the selected transmission line passes through at least one via. Sizes of vias in the respective routes of the differential pair are compared and a distance between the vias of the differential pair is compared. The differential pair, and the sizes of vias which comply or do not comply with the criterion are recorded and displayed in a list of results.

Abstract: An external keyboard of an electronic device having a capacitive touch screen and a connector socket is provided. The external keyboard includes a keyboard body and a plurality of physical buttons. The keyboard body is for being disposed on the capacitive touch screen and includes a connector connected to the connector socket. Each physical button has a trigger portion, and a top surface and a bottom surface opposite to each other, and the trigger portion is disposed between the top surface and the bottom surface. The physical buttons are disposed in the keyboard body at intervals. When a distance between the trigger portion and the capacitive touch screen is less than a trigger interval, capacitance of a region of the capacitive touch screen corresponding to the trigger portion is changed by the trigger portion to generate a touch signal. Furthermore, a sheath of an electronic device is also provided.

Abstract: In a computing device, a computerized method and a non-transitory storage medium are applied in checking a stored wiring diagram for high-noise components in close proximity to signal lines. An electronic component is selected in a PCB wiring file. A checking range of the selected electronic component is determined for searching for one or more signal transmission lines which pass within the checking range in the PCB wiring file. Basic information of the one or more signal transmission lines is recorded into a result list which is displayed on a display unit of the computing device.

Abstract: A multi-phase buck converter has a digital compensator to select a set of compensation coefficients depending on the operating phase number of the multi-phase buck converter, or including different compensators for each operation phase number to improve the loop gain bandwidth, transient response and stability of the multi-phase buck converter. The multi-phase buck converter operates with more phase circuits for higher loading and operates with fewer phase circuits for lower loading. The compensation varies with the number of the operated phase circuits so to be adaptive to the operation condition with an optimized control-to-output voltage transfer function.

Abstract: A printed circuit board includes a first signal layer, a first reference layer, a second signal layer, and a third signal layer in that order and includes a first slanted via and a second slanted via. The first signal layer includes an parallel first transmission wire and a second transmission wire. The first and second transmission wires are coupled with each other and cooperatively constitute a first differential pair with an edge-coupled structure. The second signal layer includes a third transmission wire. The third signal layer includes a fourth transmission wire parallel to and coupled with the third transmission wire. The third and fourth transmission wires cooperatively constitute a second differential pair with a broadside-coupled structure. The first slanted via obliquely are interconnected between the first transmission wire and the third transmission wire. The second slanted via obliquely are interconnected between the second transmission wire and the fourth transmission wire.

Abstract: For a multiphase interleaved voltage regulator, an offset cancellation circuit is applied for each phase separately. The current loop gain of each phase is thus increased to mitigate the beat-frequency oscillation in phase currents when the beat frequency is below the bandwidth of the low-pass filter in the offset cancellation circuit, without introducing additional instability issue that is the drawback of increasing current-sensing gain.

Abstract: A suitcase with the elastic suspending buffer structure is disclosed. The suitcase includes at least a pair of a first supporting board and a second supporting board symmetrically arranged spaced in parallel, and a pocket structure with its upper end elastically connected with the first supporting board and the second supporting board, and the bottom of the pocket structure is higher than the bottoms of the first supporting board and the second supporting board. The pocket structure of the suitcase with the elastic suspending buffer structure is made of elastic materials, or elastically connected with the first supporting board and the second supporting board. This type of shockproof suitcase can makes the articles in the suitcase in a suspension status. During transit, the elastic lining provides a buffer effect for the articles inside, greatly reduce the impact force and protect the articles.

Abstract: A method for setting a signal-equalizing system for use in an electronic device includes the following steps. Outputting a connection status of each channel and a number of misconnect options respectively associated with each channel to a display unit of the electronic device. Then, detecting whether at least one misconnect option is selected. If yes, determining a misconnected channel and adjusting the receiving setting for the receiving port of the misconnected channel to match with the transmitting setting for the transmitting port of the misconnected channel according to settings for each channel stored in the electronic device. The stored settings for each channel include a transmitting setting for the transmitting port of the channel and a receiving setting for the receiving port of the channel that matches the transmitting setting.

Abstract: In a method for checking layout of a printed circuit board (PCB) using an electronic device, a power line is selected from a layout diagram of the PCB. The method searches for one or more signal lines which are overlapping with the selected power line from the layout diagram of the PCB. The method further locates attribute data of the searched signal lines and the selected power line in the layout diagram of the PCB, and displays the attribute data of the searched signal lines and the selected power line on a display device of the electronic device.

Abstract: In a computing device, a computerized method and a non-transitory storage medium are applied in checking a stored wiring diagram for high-noise components in close proximity to signal lines. An electronic component is selected in a PCB wiring file. A checking range of the selected electronic component is determined for searching for one or more signal transmission lines which pass within the checking range in the PCB wiring file. Basic information of the one or more signal transmission lines is recorded into a result list which is displayed on a display unit of the computing device.