Abstract: Disclosed herein are a display device and a method for controlling the same, and more particularly, to a display device and a method for controlling the same that may compensate degradation of a display panel and may improve image quality. According to the method for controlling the display device of an embodiment, a pattern image is displayed respectively on a plurality of scan blocks set on the display panel. When the pattern image is displayed respectively on the plurality of scan blocks set on the display panel, a current value of each scan block is measured. Then a representative current value is compared with a predetermined reference value, and it is determined whether compensation data of each pixel included in each of the scan blocks is updated.

Abstract: A matchless plasma source is described. The matchless plasma source includes a controller that is coupled to a direct current (DC) voltage source of an agile DC rail to control a shape of an amplified square waveform that is generated at an output of a half-bridge transistor circuit. The matchless plasma source further includes the half-bridge transistor circuit used to generate the amplified square waveform to power an electrode, such as an antenna, of a plasma chamber. The matchless plasma source also includes a reactive circuit between the half-bridge transistor circuit and the electrode. The reactive circuit has a high-quality factor to negate a reactance of the electrode. There is no radio frequency (RF) match and an RF cable that couples the matchless plasma source to the electrode.

Abstract: A protection circuit (10), a power supply circuit, and a display panel. The protection circuit (10) comprises a feedback circuit (100) and a current adjusting circuit (200). The reaction circuit (100) is used for receiving a supply voltage, adjust the first general resistance thereof according to the temperature of a data drive chip, and generate a reaction voltage according to the supply voltage and the adjusted first resistance. The current adjusting circuit (200) is used for receiving the supply voltage and the reaction voltage, and generate and output a driving current according to the reaction voltage and the supply voltage, the driving current decreasing following a rise in the temperature of the data drive chip; when the driving current is reduced, the thermal energy power consumption of the data drive chip is reduced so as to prevent burnout due to the temperature at the interior thereof being too high.

Abstract: The present disclosure provides a power source voltage application circuit, including a power source voltage output end, an energy storage sub-circuitry, a resetting sub-circuitry and an output control sub-circuitry. A first end of the energy storage sub-circuitry is connected to a first node, and a second end of the energy storage sub-circuitry is connected to a second node. The resetting sub-circuitry is connected to a resetting control end, a reference voltage input tend, the first node, the second node and an initial voltage input end respectively. The output control sub-circuitry is connected to an output control end, a first voltage input end, the first node, the second node and the power source voltage output end respectively.

Abstract: A pixel circuit includes a data writing sub-circuit inputs a signal input via a second signal terminal to a compensating sub-circuit and a driving sub-circuit under control of a signal from a first signal terminal, the compensating sub-circuit compensates a threshold voltage of the driving sub-circuit according to a signal output from the data writing sub-circuit under control of a signal from a third signal terminal, a light-emitting control sub-circuit inputs a signal from a first voltage terminal to the driving sub-circuit and the compensating sub-circuit under control of a signal from a fourth signal terminal, the driving sub-circuit configured to generate and input a driving current to a light-emitting sub-circuit according to a signal output from the light-emitting control sub-circuit and a signal output from the data writing sub-circuit, and the light-emitting sub-circuit configured to emit light according to the driving current under control of a second voltage terminal.

Abstract: A drive circuit of an electro-optical panel (10) is provided with a driving signal generation unit (240) that output a plurality of driving signals to the electro-optical panel (10), a control circuit (400) that outputs display image data indicating an image to be displayed in the electro-optical panel (10), a processing circuit (210) configured to generate input data to the driving signal generation unit (240) based on the display image data, and an error detection circuit (410) configured to detect an error in the input data.

Abstract: A pixel circuit, an array substrate, and a display panel. The pixel circuit includes an initializing device, a data writing device, a control device, and a current supplementing device. In a light-emitting phase of a driving period of the pixel circuit, a control signal controls the control device to generate a first driving current, and controls the current supplementing device to generate a second driving current. The first driving current and the second driving current are transmitted to a light-emitting unit, and drive the light-emitting unit together for light emission. Currents flowing through the control device and the current supplementing device, respectively, are reduced while meeting a requirement of providing a large driving current to the light-emitting unit. A control capability of the pixel unit on a current of the light-emitting unit is less likely to be weakened, and a display effect is improved.

Abstract: A display device includes a display panel including display pixels, and a display filter overlapping the display panel and including filter pixels that are greater in number than the display pixels, wherein in units of frame, each of the display pixels is configured to emit light at a luminance corresponding to one gray level, and wherein in units of sub-frames, each of the filter pixels is configured to be switched to a transmissive state or a non-transmissive state, wherein each of the sub-frames is shorter in period than a corresponding one of the frames.

Abstract: An electronic device is provided and includes a first voltage trace, a second voltage trace, a first region electrode, a second region electrode, and a voltage source module. The second voltage trace is electrically insulated from the first voltage trace, the first region electrode is electrically connected to the first voltage trace, and the second region electrode is electrically connected to the second voltage trace. The voltage source module provides a first driving voltage to the first voltage trace and provides a second driving voltage to the second voltage trace, in which the first driving voltage is different from the second driving voltage.

Abstract: A driver integrated circuit (IC) according to one embodiment of the present disclosure includes a first IC, a second IC that is combined with the first IC, a first circuit configured to receive first image data, and generate second image data by correcting the first image data, a second circuit configured to sample the second image data, and a third circuit configured to convert the sampled second image data into a source signal, wherein the first circuit is mounted on the first IC, the second circuit is mounted on one of the first IC and the second IC, and the third circuit is mounted on the second IC.

Abstract: Provided are a semiconductor device and a method for operating the semiconductor device. A semiconductor device includes a low power condition module which determines whether a system operated by a battery satisfies enter and exit conditions of a low power mode; an address module which identifies a predetermined own address; a low power set module which sets a detailed operation mode of the low power mode in accordance with the address identified by the address module; a debounce module which executes a debounce operation before the system entering the low power mode; and a low power enter/exit module which executes entry and exit of the low power mode of the system.

Abstract: A display driving apparatus with a power control circuit reducing power consumption includes: a shift register receiving a display data signal and outputting a plurality of data signals; a first latch receiving a Nth data signal of the plurality of data signals and outputting a first latched data signal according to a first gate driving signal; an analog signal processing circuit including a second latch coupling to the first latch and outputting a second latched data signal according to a second gate driving signal; a data comparator comparing the first latched data signal and the second latched data signal; and a power controller coupling to the data comparator and controlling a power level of the analog signal processing circuit.

Abstract: A level voltage generation circuit, a data driver and a display are provided. The level voltage generation circuit generates, based on N different input voltages, M (M>N) level voltages. The level voltage generation circuit comprises N differential amplifiers having output ends, which receive the N input voltages respectively, amplify the N input voltages respectively and output amplified N input voltages, and a resistor ladder having N voltage supply points respectively connected to the output ends of the N differential amplifiers and M voltage output points for outputting the M level voltages. The resistor ladder comprises a first wiring, connected to the output end of one of the N differential amplifiers through one of the N voltage supply points; and a second wiring, connected between one of the M voltage output points and one of an input pair of one of the N differential amplifiers.

Abstract: There is provided a driving method for a pixel circuit including a driving transistor, a data writing circuit, a sensing circuit, and a storage capacitor. The driving method includes: during a sensing write stage, writing a test voltage equal to a sum of a first reference voltage and a threshold voltage of the driving transistor, by the data writing circuit, to the control electrode of the driving transistor, and writing a second reference voltage, by the sensing circuit, to a second electrode of the driving transistor; during a sensing sampling stage, continuing to write the test voltage to the control electrode of the driving transistor by the data writing circuit, and stopping writing a voltage to the second electrode of the driving transistor by the sensing circuit. The driving method further includes a sensing reset stage and a sensing charging stage.

Abstract: A display device including: a scan driver that transmits scan signals to scan lines; a data driver that data signals to data lines; and a display portion that includes pixels, respectively connected to the corresponding scan lines and corresponding data lines, and displays an image by the pixels that simultaneously emit light according to the corresponding data signals, wherein each of pixels includes: an organic light emitting diode; a first transistor that includes a gate connected to a first node, and is connected between first power and an anode of the organic light emitting diode; a second transistor that includes a gate connected to a corresponding scan line and transmits the corresponding data signal to the first node; and a first capacitor that is connected to the first node, and stores a data voltage according to the data signal.

Abstract: A display apparatus includes a display including a display panel and a backlight unit configured to provide light to the display panel, a network interface configured to receive power supply information from a server, and a controller configured to determine whether a current power situation is a power alert occurrence situation based on the power supply information, enable an operation mode of the display apparatus to enter an energy saving mode in case of the power alert occurrence situation, obtain viewing environment information according to entry into the energy saving mode, and control the backlight unit to adjust output brightness of the display panel based on the obtained viewing environment information.

Abstract: Disclosed herein is a chip-on-film including: a base film; a driver mounted on one of upper and lower surfaces of the base film; and at least one pad group, which includes signal wiring lines disposed on the upper and lower surfaces of the base film and transmitting signals via two paths, a first pad and a second pad disposed on one of the upper and lower surfaces of the base film, and a plurality of through-holes disposed between the first pad and the second pad and electrically connecting the signal wiring lines to each other, wherein the first pad and the second pad are separated a predetermined distance from each other in a width direction of the base film, and each of the first pad and the second pad is obliquely arranged in plural in a longitudinal direction of the base film.

Abstract: Provided is a display brightness compensation method including: setting an aging grayscale of a monochrome pixel of each of n test display panels; setting m test grayscales of the monochrome pixel; during a time period, illuminating the aging grayscale of the monochrome pixel, periodically illuminating each test grayscale of the monochrome pixel, and periodically obtaining a test display brightness of the monochrome pixel at the test grayscale at the aging grayscale; calculating a brightness-time characteristic of the monochrome pixel at each of the m test grayscales at the aging grayscale; and compensating an actual display brightness of a monochrome pixel of a target display panel at a current display moment based on the brightness-time characteristic. Both m and n are positive integers greater than or equal to 2. The monochrome pixels of any two test display panels have different aging grayscales.

Abstract: A display device, a pixel compensation circuit and a driving method thereof are disclosed. The pixel compensation circuit includes: a driving transistor, an initialization circuit, a storage circuit, a first data writing circuit, a second data writing circuit, a compensation circuit and a light emitting control circuit. A first terminal of the storage circuit is coupled to the gate electrode of the drive transistor, and the first data writing circuit is configured to write a data signal to a second terminal of the storage circuit. The second data writing circuit is configured to change a potential of the second terminal of the storage circuit so that a potential of the first terminal of the storage circuit is associated with the data signal. The compensation circuit is configured to charge the first terminal of the storage circuit so that it is associated with a threshold voltage of the drive transistor.

Abstract: A display device includes pixels sequentially arranged along a first direction, a data driver having output lines and generating data signals, data lines each including sub-data lines extended along the first direction, demultiplexers each connecting a corresponding output line of the output lines to a corresponding data line of the data lines and switching the corresponding output line to one of the sub-data lines one at a time so that each of the data signals is supplied to a corresponding pixel of the pixels.

Abstract: Disclosed are a pixel array substrate and a driving method thereof, a display panel, and a display device. The pixel array substrate includes a plurality of pixel units arranged in a plurality of pixel rows, and common electrodes distributed in the plurality of pixel rows. Each of the plurality of pixel units includes a light emitting element, first electrodes of light emitting elements of a plurality of pixel units in each of the plurality of pixel rows are electrically connected with each other to form a common electrode in the each of the plurality of pixel rows, and the common electrodes in the plurality of pixel rows are insulated from each other.

Abstract: A test circuit and a test method for display panels are provided. The test circuit comprises: switch units; first test leads; first test pads; and a second test pad, a second test lead, a third test pad and a switch control line. Numbers of the switch units, the first test leads and the first test pads are the same; each of the first test leads is electrically connected to a corresponding one of the display panels; each of the first test pads is electrically connected to an output terminal of the corresponding switch unit, and each of the first test pads is electrically connected to the corresponding first test lead; the second test pad and the second test lead are electrically connected to input terminals of the switch units; and the third test pad and the switch control line are electrically connected to control terminals of the switch units.

Abstract: This application discloses a display panel testing apparatus and testing method. When a data control circuit receives a first enable signal generated by a switching signal generation circuit, the data control circuit controls a data interface that is output by the data control circuit to be in a high-impedance state.

Abstract: A display device and a driving device thereof is disclosed. The driving device is coupled to a display panel. The driving device includes at least one first driver integrated circuit (IC) and at least one second driver integrated circuit (IC). The first driver integrated circuit is coupled to the display panel. The first driver integrated circuit drives the display panel and detects a first working temperature. The second driver integrated circuit is coupled to the display panel and the first driver IC. The second driver integrated circuit drives the display panel. The first driver IC stops driving the display panel and communicates with the second driver IC to stop driving the display panel when the first working temperature is substantially higher than a first given temperature.

Abstract: A driving device of a flat panel display configured to receive an image signal and a clock signal includes a driving circuit configured to convert the image signal into pixel data and output the pixel data, a timing controller configured to generate and output a vertical synchronization signal, a horizontal synchronization signal, a source change enable signal, and a display enable signal using the image signal and the clock signal, an output buffer including an input terminal configured to receive the pixel data and an output terminal connected to the flat panel display, and a buffer controller connected to the timing controller and the output buffer and configured to control a bias current, applied to the output buffer, to be decreased by a value during a period.

Abstract: Provided are a shift register and a driving method thereof, a gate driving circuit, and a display device. The shift register includes: an input circuit, configured to be coupled to an input signal end and a second clock signal end, respectively; a first transistor, where the first electrode of the first transistor is coupled to the output end of the input circuit, and the first transistor is a double-gate type transistor; the first gate of the first transistor is configured to be coupled to a first reference signal end, and the second gate of the first transistor is configured to be coupled to a first threshold control signal end; and an output circuit, configured to be coupled to a first clock signal end and a signal output end, respectively, where the control end of the output circuit is coupled to the second electrode of the first transistor.

Abstract: An enhanced pixel circuit for a display device provides separate compensation and data programming phases to permit minimization of the programming time. Variations in voltage supplies are accounted for by isolating the drive transistor from such power supply by using a second drive transistor configured as source follower relative to the first drive transistor. An on bias stress transistor is incorporated that can electrically connect the first drive transistor to the power supply during an on bias stress operation. During such operation, a voltage stress is applied to eliminate hysteresis effects associated with the drive transistor. The on bias stress operation may be performed as part of a refresh operation during which a data voltage is programmed to the pixel circuit, or as part of a low frequency operation during which a previously programming data voltage is maintained which reduces power consumption.

Abstract: The invention provides a display panel driving apparatus and a driving method thereof. The display panel driving apparatus includes a source driver circuit and a timing controller circuit. The source driver circuit loads data to data lines of the display panel in load data periods. The timing controller circuit controls the source driver circuit for dynamically configuring a time length of one of the load data periods according to whether charge sharing occurs. When a charge sharing operation is not performed on at least two of the data lines in the load data period, the load data period has a first time length. When the charge sharing operation is performed on at least two of the data lines in the load data period, the load data period has a second time length longer than the first time length.

Abstract: A display apparatus includes a plurality of pixels. A pixel includes a first capacitor connected between a first voltage line receiving a first driving signal and a first node, a first transistor comprising a control electrode connected to the first node, a first electrode connected to a second voltage line receiving a first power source signal and a second electrode connected to a second node, an organic light emitting diode comprising an anode electrode connected to the second node and a cathode electrode receiving a second power source signal, a second capacitor connected between an m-th data line and the second node (wherein, ‘m’ is a natural number) and a second transistor comprising a control electrode connected to an n-th scan line (wherein, ‘n’ is a natural number), a first electrode connected to the first node and a second electrode connected to the second node.

Abstract: The present disclosure provides a compensation method and compensation apparatus for a pixel circuit, and a display apparatus. The compensation method for the pixel circuit includes: acquiring a threshold voltage of a driving transistor of the pixel circuit; comparing a source voltage of the driving transistor with the threshold voltage; and adjusting the source voltage of the driving transistor according to a comparison result.

Abstract: A display driving method, a display driving device, and a display device are provided. The display driving method includes: providing a first voltage, which is lower than a first reference voltage, to a first voltage terminal of a pixel circuit to drive the pixel circuit, wherein a voltage reduction amplitude of the first voltage relative to the first reference voltage is a first amplitude; and providing a second voltage, which is lower than a second reference voltage, to a second voltage terminal of a source driving circuit to control the source driving circuit to generate a data signal which is lower than a data reference voltage, and to provide the data signal to the pixel circuit, a voltage reduction amplitude of the data signal relative to the data reference voltage is the first amplitude.

Abstract: The disclosure provides a display component compensation method and a display component compensation device. The display component compensation method includes: obtaining a frequency value of a spread-spectrum component at time Tn; obtaining a first charge time Tn1 of the display component at the time Tn; obtaining a second charge time Tn2 of the display component at the time Tn; and obtaining a second falling edge time of a first clock signal of the display component at the time Tn according to a difference between the first charging time Tn1 and the second charging time Tn2 of the display component at the lime Tn.

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a plurality of pixels formed in a plurality of intersection areas of a plurality of data lines and a plurality of scan lines. Each of the pixels includes a storage capacitor configured to store a data voltage, at least one target transistor having one end electrically connected to a current path of the storage capacitor, an organic light emitting layer, and a first electrode of an OLED formed over the organic light emitting layer. The first electrode includes a first electrode extension configured to block at least a portion of the target transistor from light.

Abstract: An organic light emitting display device includes pixels, a sensor configured to extract at least one of deviation information of first transistors of the pixels and deterioration information of OLEDs of the pixels in a sensing period, and a converter configured to change a bit of first data input from the outside by using at least one of the deviation information and the deterioration information, and to generate second data, wherein a pixel at an ith horizontal line includes an OLED, a first transistor configured to control an amount of a current that flows from a first power source via the OLED in response to a voltage of a first node, second and third transistors configured to turn on when a scan signal is supplied to an ith scan line, and a fourth transistor configured to turn on when a control signal is supplied to an ith control line.

Abstract: The present disclosure provides an array substrate which comprises a plurality of sub-pixels distributed in an array arrangement, wherein data lines and power supply signal lines are disposed between two adjacent columns of the sub-pixels; wherein the data lines and the power supply signal lines are prepared respectively on different film layer surfaces, and the data lines and the power supply signal lines at least partially overlap. The present disclosure further provides an OLED display device which comprises the array substrate. The array substrate of the present disclosure has a higher aperture ratio.

Abstract: A touch display panel and a touch display device are discussed. A data voltage, supplied to subpixels corresponding to a touch electrode, has a polarity pattern configured to minimize the cumulative transition value of the data voltage. Noise in touch sensing signals, caused by the transition of the data voltage, can be prevented, and touch sensing performance can be improved. A data voltage having polarities opposite to those of a previous frame is supplied in every specific frames, or some subpixels of a frame are set to have opposite polarities. Deteriorations in subpixels, caused by inversion driving for improving touch sensing performance, can be prevented.

Abstract: An active matrix substrate according to an embodiment of the present invention includes: a plurality of source bus lines provided on a substrate; a source driver disposed in a peripheral region; signal output lines each connected to a corresponding one of output terminals of the source driver; and a demultiplexer circuit disposed in a peripheral region. The demultiplexer circuit includes unit circuits each configured to distribute a display signal from one signal output line to n source bus lines (n is an integer larger than or equal to 2). Each unit circuit includes n switching TFTs configured to perform individual on/off control of electrical connections of the n branch lines to the n source bus lines. The n branch lines being connected to one signal output lines. The demultiplexer circuit further includes a plurality of boost circuits each configured to boost a voltage applied to a gate electrode of a corresponding one of the n switching TFTs.

Abstract: A display screen, a mobile terminal and a display method are provided. The display screen includes an OLED display screen and an optical fingerprint module arranged in the OLED display screen. The OLED display screen includes a light-emitting layer and a touch screen. The light-emitting layer includes a first light-emitting region and a second light-emitting region. The first light-emitting region is arranged at a position corresponding to the optical fingerprint module and configured to, when the region of the touch screen, which corresponds to the first light-emitting region, is not touched, emit light at a first preset brightness value, and when the region of the touch screen, which corresponds to the first light-emitting region, is touched, emit light at a second preset brightness value, the first preset brightness value is smaller than the second preset brightness value.

Abstract: A display device includes a scan driver which includes a first stage including a first output terminal connected to a first carry line, a second output terminal connected to a first scan line, and a third output terminal connected to a first sensing line, and a second stage including a first input terminal connected to the first carry line, a fourth output terminal connected to a second scan line, and a fifth output terminal connected to a second sensing line. In a sensing period, signals having a turn-on level are respectively output from the first output terminal, the second output terminal, and the third output terminal during a predetermined delay period before signals having a turn-on level are respectively output from the fourth output terminal and the fifth output terminal.

Abstract: A display device is disclosed. Plural subpixels are connected to the corresponding gate lines. Each data line is connected to two adjacent subpixels of same pixel. In the first pixel set, the first and the third gate lines are connected to subpixels in same column and the second and the fourth gate lines are connected to subpixels in same column. In the second pixel set, the first and the fourth gate lines are connected to subpixels in same column and the second and the third gate lines are connected to subpixels in same column. In one frame time, the data signal drives same pixel through the nth and (n+1)th data lines using opposite polarities and the data signal drives two adjacent subpixels of same pixel set in column direction through the nth and (n+1)th data lines using the same polarities.

Abstract: A light-emitting diode (LED) display device includes a display part having LED elements arranged in a matrix structure including scan lines and data lines. The LED display device also includes a scan driver driving the scan lines and each of the scan lines is controlled using a discharge voltage at a discharge timing. The LED display device also includes a data compensation part which compensates driving data of each of the data lines to generate the compensation data of each of the data lines using a compensation value to compensate for a difference in luminous intensity slope of the LED element due to a difference in the number of luminescence data lines at the unit scan timing. Thus, a crosstalk phenomenon of the display image due to a difference in the number of data lines simultaneously sourced is decreased.

Abstract: Techniques for implementing and/or operating an electronic device, which includes a display pixel that emits light to facilitate displaying an image during an emission period and a data driver coupled to the display pixel via a data line. The data driver generates a data line voltage signal based on image data that indicates target luminance of the display pixel in the image and supplies the data line voltage signal to the data line during a non-emission period preceding the emission period to facilitate writing the image to the display pixel. Additionally, the data driver supplies an intermediate voltage greater than a ground voltage to the data line during the emission period in which the image is displayed to facilitate reducing luminance variation in the image resulting from a leakage current flowing between an internal node of the display pixel and the data line during the emission period.

Abstract: A thermal image processing system and method includes capturing a visual image and a thermal image of a subject under test; fusing the visual image with the thermal image to result in a fused image, followed by determining an area of the subject under test in the fused image and accordingly obtaining subject temperature of the subject under test.

Abstract: The present disclosure relates to a display device and a display method for reducing a burn-in phenomenon by performing an on-board artificial intelligence (AI) algorithm and/or machine learning algorithm to predict a display duration of an object in an image, and processing the image based on the predicted display duration. The display method according to one embodiment of the present disclosure may include extracting a predetermined type of object from an inputted image, predicting a display duration of the extracted object, and adjusting a luminance value of a pixel in an area corresponding to the object in the image based on the predicted display duration, and displaying the image in which the adjusted luminance value of the pixel is reflected.

Abstract: Embodiments of the present disclosure provide a method and device for driving a display panel, and a display device. The display panel includes a first display area having a first pixel density and a second display area having a second pixel density, the second pixel density being greater than the first pixel density. The driving method of the display panel comprises receiving first color gamut input data; converting the first color gamut input data corresponding to the first display area into second color gamut intermediate data; converting the second color gamut intermediate data into first color gamut output data; and converting the first color gamut output data into a driving signal that drives the first display area.

Abstract: A display device includes a driving circuit and a control circuit. The driving circuit is configured to receive a data voltage in response to a scanning signal, and to control the brightness of a light emitting element according to the data voltage. The control circuit is configured to provide a stop signal to the driving circuit in response to a digital signal and the scanning signal, so as to stop the light emitting element from emitting light, and in turn control the light emission period of the light emitting element.

Abstract: A display panel includes multiple data lines, a scan lines, pixel circuit and a driving circuit. The data lines are configured to receive multiple data signals in a display period. There is a buffer period before the display period. The scan line is configured to receive a scan signal during the display period. The pixel circuit is electrically connected to the data lines and the scan line for receiving the data signals and the scan signal. The driving circuit is electrically connected to the data line, and configured to receive multiple charging signals during the buffer period. The charging signals are corresponding to the data lines and gradually increase so that the driving circuit charges the data lines according to the charging signals.

Abstract: A pixel compensation circuit unit, a pixel circuit, and a display device are provided in the disclosure. The pixel compensation circuit unit may include a reset power supply line, a reset control circuit, a bridge circuit, and at least two pixel compensation circuits. The at least two pixel compensation circuits are coupled to the reset power supply line, respectively; the reset control circuit is coupled to the reset power supply line and the bridge circuit, respectively; and the at least two pixel compensation circuits are coupled by the bridge circuit. A plurality of pixel compensation circuits may share one reset power supply line, thereby reducing the number of reset power supply lines and simplifying the structure of the pixel compensation circuit unit.

Abstract: There is provided a phase shifter circuit of an optical encoder that receives four signals generated from photodiodes. The phase shifter circuit includes four resistor strings each coupled to two of the four signals having a 90-degrees phase pitch. By taping out different numbers of signals at different tape-out nodes of each of the four resistor strings, the phase shifter circuit is adapted to output signals for different interpolation factors without changing the mask set.

Abstract: In an embodiment, a device may include an attention detection service. The attention detection service may monitor various peripheral devices in the device for indications that a user is paying attention to the device. Various clients may register for notification of attention detection and attention lost (attention no longer detected) events, or may poll the service for the events. If a user is not paying attention to the device, it may be possible to take various actions to permit reduced energy consumption.