Abstract: A display apparatus is disclosed that comprises a display panel. The display panel includes a display region that includes a first display area and a second display area. A data driver is configured to provide a data voltage to the display region. A gate driver is configured to provide a compensation gate signal and an initialization gate signal to the display region. The gate driver includes a first stage and a second stage. A driving controller is configured to control the gate driver and the data driver. The driving controller is configured to determine a first driving frequency for the first display area and a second driving frequency for the second display area. The second stage is configured to provide the compensation gate signal having a pulse duration shorter than a pulse duration of the compensation gate signal provided to the display region by the first stage.

Abstract: The present application provides a display device. The display device includes a pixel circuit and multiple operational amplifiers. Pixel units in the same column are electrically connected to the same operational amplifier. The display device of the present application uses the operational amplifier to stabilize a voltage and amplify a current, which solves non-uniformity of the display panel caused by the difference in a threshold voltage and channel electron mobility of the thin film transistor due to an immature manufacturing process of a thin film transistor, so uniformity of the panel is improved.

Abstract: Systems and methods including detachable passive or interactive display that interface with fixed size portable communication or display device providing variable size display capability. Detachable display can comprise compartment for seamlessly accommodating portable communication or display device. Interface between the portable device and the detachable display can be implemented by wired or wireless communication. Detachable display can include weatherproof body, and compartment accommodating portable device can include weatherproof seal protecting the portable device. Detachable display device can include an additional user interface providing functionality of any complexity, from basic on/off and volume control switches to complex interactive menu navigation tools and other controls such as touch pads and biometric sensors. Detachable display device can include data input and output capabilities, such as text, audio and video, to other external devices.

Abstract: An embodiment of the present disclosure provides a liquid crystal display device for improving an afterimage or flicker, the liquid crystal display device comprising: a display panel where a plurality of gate lines and a plurality of data lines are formed, and including a plurality of pixels; a gate driving unit for applying a gate signal to the plurality of gate lines; a data driving unit for applying a data voltage to the plurality of data lines, and a timing controller for generating a gate driving signal and a data driving signal corresponding to image data, modifying the generated data driving signal such that the polarity of the data voltage is reversed alternately for each per-determined frame unit with respect to the generated data driving signal, applying the generated gate driving signal to the gate driving unit, and applying the modified data driving signal to the data driving unit.

Abstract: A display panel includes: a transmissive area surrounded by a display area; first and second data lines each including a first part and a second part that are apart from each other with the transmissive area therebetween; first and second bridge lines in the display area and disposed opposite sides of the transmissive area, the first bridge line electrically connecting the first part and the second part of the first data line to each other, the second bridge line electrically connecting the first part and the second part of the second data line to each other; first and second vertical conductive lines in the display area; a first horizontal conductive line electrically connected to the first vertical conductive line; and a second horizontal conductive line electrically connected to the second vertical conductive line.

Abstract: A display compensation method and device, and a display panel are disclosed. The display panel includes a plurality of pixel units each including a plurality of subpixels. The display compensation method includes obtaining original grayscale values of sub-images included in a pending image corresponding to the pixel units, and determining the sub-images whose original grayscale value is less than or equal to a grayscale threshold value as a target sub-image. The target sub-image is displayed through each of the subpixels of a target pixel unit corresponding to the target sub-image, and each of the subpixels of the target pixel unit has a grayscale value equal to a grayscale value of the target sub-image.

Abstract: There is provided a voltage supply circuit, in which a signal output end of a power management integrated circuit, a signal input end of a transmission branch, and a signal input end of a voltage reduction branch are coupled to a first node; a signal output end of transmission branch and a signal output end of the voltage reduction branch are coupled to a second node; the power management integrated circuit supplies an initial voltage to the first node; the transmission branch is coupled to a control signal terminal, and switch between a conducting state and a cutoff state in response to control of a control signal, and write the initial voltage into the second node in the conducting state; and the voltage reduction branch performs voltage reduction on the initial voltage at the first node to obtain a reduced voltage to be written into the second node.

Abstract: A semiconductor device using a pass transistor is provided. The semiconductor device includes a first circuit, a second circuit, a plurality of input terminals, and an output terminal. The first circuit includes a plurality of first transistors functioning as pass transistors, and the second circuit includes a plurality of second transistors functioning as pass transistors. Note that the number of the first transistors is larger than the number of the second transistors, a gate of the first transistor is supplied with a first signal, and a gate of the second transistor is supplied with a second signal. The first circuit is supplied with grayscale signals through x input terminals, and the first circuit selects y grayscale signals of the grayscale signals with the first signal. The second circuit is supplied with y (y<x) grayscale signals, the second circuit outputs z (z<y) grayscale signals of the y grayscale signals to the output terminal with the second signal.

Abstract: A display panel, a display panel driving method, and an electronic device are provided. The electronic device includes a display panel. The display panel includes a display region, source drive circuits, and a gate drive circuit. The display region includes a plurality of sub-pixels. By reducing the charging time of the sub-pixels close to the gate drive circuit and increasing the charging time of the sub-pixels away from the gate drive circuit, the voltage difference between the sub-pixels in different regions is reduced, thereby solving the problem of uneven brightness of the display panel.

Abstract: To provide a display device including a flexible panel that can be handled without seriously damaging a driver circuit or a connecting portion between circuits. The display device includes a bent portion obtained by bending an element substrate. A circuit for driving the display device is provided in the bent portion and a wiring extends from the circuit, whereby the strength of a portion including the circuit for driving the display device is increased and failure of the circuit is reduced. Furthermore, the element substrate is bent in a connecting portion between an external terminal electrode and an external connecting wiring (FPC) so that the element substrate provided with the external terminal electrode fits the external connecting wiring, whereby the strength of the connecting portion is increased.

Abstract: A timing control circuit is provided to control a data voltage outputted to a pixel array of a display panel during a frame period to perform a polarity reversal every N scan lines, where N is a positive integer. The timing control circuit includes a receiver and an adjustment circuit. The receiver is configured to sequentially receive first display data and second display data for one data line of the display panel. The adjustment circuit is coupled to the receiver to adjust at least one of gray information of the second display data and charging time of the second display data according to a voltage polarity of the first display data and a voltage polarity of the second display data. A corresponding operation method of the timing control circuit is also provided.

Abstract: An ambient light detection method and an electronic device. The method includes: when a target pixel in a target display area of a display module is lit up, obtaining a first brightness value of each target pixel collected by a photosensitive sensor; according to the first brightness value, obtaining a brightness interference value of each target pixel; and according to the brightness interference value and a first ambient light brightness value, obtaining a target brightness value.

Abstract: Provided are a liquid crystal display device and a method for driving the same.

Abstract: A GOA circuit and a display panel are disclosed. The GOA unit includes a plurality of stages of cascaded GOA units. Each GOA unit includes a pull-up control module, a pull-up module, a down transmission module, a pull-down remaining module, a pull-down module and a bootstrap capacitor. The pull-up module is deployed with two thin-film transistors, to which different oscillating signals are inputted, having individual output ports. The two transistors can operate alternatively for reducing the time a single thin-film transistor operates, lowering the shift of a threshold voltage and extending a lifespan of the device.

Abstract: A pixel driving circuit includes a reset sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and a driving sub-circuit. The reset sub-circuit is configured to transmit an initialization signal received from an initialization signal terminal to the light-emitting control sub-circuit. The light-emitting control sub-circuit is configured to transmit the initialization signal to the first node. The compensation sub-circuit is configured to transmit the initialization signal from the first node to a second node so as to reset a voltage of the second node. The driving sub-circuit is configured to open a conductive path from a first voltage signal terminal to the initialization signal terminal during a process of resetting the voltage of the second node.

Abstract: An organic light emitting display apparatus includes a base layer, a circuit element layer, a display element layer, an encapsulation layer, and a sealing member. The circuit element layer includes a power supply line on the base layer and an auxiliary power supply pattern on and connected to the power supply line. The display element layer includes a first electrode, a light emitting layer, and a second electrode, which are sequentially stacked on the circuit element layer. The second electrode is electrically connected to the auxiliary power supply pattern. The sealing member is between the circuit element layer and the encapsulation layer to overlap with the auxiliary power supply pattern when viewed in a plan view.

Abstract: A display panel includes data lines and scanning lines in a display region, and a demultiplexer in a non-display region. The demultiplexer includes m branches. m is an integer. m?2. Each branch includes a switching transistor which includes a first electrode coupled with an input terminal of the demultiplexer, a second electrode coupled with one of the data lines, and a control electrode for receiving a switching control signal. The demultiplexer includes a first demultiplexer including a compensation transistor, of which first and second electrodes are short-circuited. The compensation transistor is coupled with the data line and has a control electrode for receiving a compensation control signal. The compensation control signal received by the compensation transistor in the branch has one functional rising edge in a period during which the scanning line provides an effective level signal once.

Abstract: An electroluminescent display device includes a display panel including a display region, which includes a plurality of pixel arrangement regions and a plurality of scan circuit regions between the plurality of pixel arrangement regions, and a non-display region around the display region; a scan driving circuit formed in the plurality of scan circuit regions, and a clock signal line transferring a clock signal, and a first voltage line and a second voltage line located at both sides of the clock signal line, the clock signal line and the first and second voltage lines being located in the scan circuit region, wherein the first voltage line transfers a low potential driving voltage which is supplied to a cathode corresponding to the display region.

Abstract: There is provided a gate driving circuit including cascaded Gate Driver On Array (GOA) units, each GOA unit drives a row of pixels and includes a starting sub-unit, an output sub-unit and an output terminal, in the GOA unit at a first stage, the starting sub-unit is coupled with a starting signal, a first control signal, a second control signal and a constant voltage potential, and the output sub-unit is coupled with a first clock signal and a first power supply signal; in the GOA unit at an nth stage, the starting sub-unit is coupled with the starting signal, the first control signal, the second control signal and the output terminal of the GOA unit at an (n?1)th stage, the output sub-unit is coupled with the first power supply signal and the output terminal of the GOA unit at an (n+1)th stage, n is an integer greater than 1.

Abstract: The present application provides a GOA circuit and an array substrate. The GOA circuit includes a plurality of cascaded gate driving units, wherein an N-th level gate driving unit includes an inversion module, and a portion of a clock signal can be output from an output terminal of the inversion module. Since a frequency of the clock signal is much higher than a frequency of a low-frequency control signal, a duration during which an output signal of the inversion module is kept at a same potential is reduced.