Abstract: An image display device includes a display panel which displays an image, a back cover disposed along the back surface of the display panel, a circuit substrate which is disposed on the back surface of the back cover and which is for driving the display of the image on the display panel, and a FPC which connects the circuit substrate and the display panel. The back cover has a recess recessed inward from the edge of the back cover in a plan view. The FPC is disposed so as to pass through the recess.

Abstract: An information handling system may include an organic light-emitting diode (OLED) display layer of a video display to display an image to a user; an A-cover forming a housing behind the OLED display layer; and a physically bifurcated display daughter board between the OLED display layer and the A-cover, the physically bifurcated display daughter board including: a first portion of the display daughter board including a source driver integrated circuit (IC) operatively coupled to a processor to receive graphics data; and a second portion of the display daughter board comprising a power management integrated circuit (PMIC) operatively coupled to the first portion and a power source; the second portion of the display daughter board being mechanically coupled to an interior surface of the A-cover to dissipate heat away from the OLED display layer.

Abstract: Various embodiments relate to an electronic device including a foldable conducive plate. The electronic device may include: a foldable housing at least partially foldable via a hinge; a display including a flexible display panel viewable through a front surface of the foldable housing and being at least partially foldable, and a conductive plate disposed on a rear surface of the flexible display panel and supporting the flexible display panel; a circuit board disposed to face at least a portion of a border of the conductive plate in the foldable housing; and at least one conductive connection member comprising a conductor disposed between the conductive plate and the circuit board and electrically connecting the conductive plate and a ground of the circuit board.

Abstract: This application provides a drive circuitry for a display panel and a display device. The drive circuitry includes a drive circuit board, a power chip, a driving chip, a detection circuit, and a control circuit. The detection circuit detects a logic voltage at a logic signal receiving terminal and outputs a control signal. The power terminal of the driving chip is coupled to the power chip through the control circuit. The control circuit controls to turn on or turn off the coupling between the power chip and the driving chip according to the control signal.

Abstract: An ultrasound probe can detect flaws in an object in a non-destructive manner. The probe includes a row-column addressed (RCA) array with a plurality of row and column electrodes. The row and column electrodes are configurable to have at least four states: 1) a transmission state, 2) a reception state, 3) a ground state, and 4) a high impedance state. The probe also includes a control circuit to operate the RCA array in different transmission and reception configurations.

Abstract: A display device includes a display panel including first and second panel pads electrically connected to each other, a connection board including first and second connection board pads connected to the first and second panel pads, respectively, an output pad, and a driving circuit. The driving circuit includes a pull-up resistor connected between a first voltage terminal and a first node, and a comparator configured to compare a voltage at the first node with a reference voltage and to output a contact test signal corresponding to a comparison result to the output pad. The first connection board pad is electrically connected to the first node, and the second connection board pad is connected to a second voltage terminal.

Abstract: Electronic devices and methods for compensating for aging or other effects in a display during a non-transmitting state (off state) of the display. Sensing may include emissive element sensing of the display and/or thin film transistor sensing of the display. Compensating for the effects may preserve or increase a uniformity of transmission of the display.

Abstract: A display assembly including a body, a display module, and a transmission module is provided. The body has a datum surface. The display module has a display surface. The transmission module is disposed in the body and is linked to the display module, wherein the transmission module drives the display module to move away from or close to the body, so as to drive the display surface to be lifted up or lowered down relative to the datum surface. A portable electronic device is also provided.

Abstract: A display driver circuit, configured to drive a display panel, includes a time recording circuit, a storage circuit, and an output control circuit. The time recording circuit calculates a first time interval between a first vertical synchronous pulse and a second vertical synchronous pulse subsequent to the first vertical synchronous pulse. The storage circuit stores a display data corresponding to the first vertical synchronous pulse when the first vertical synchronous pulse is received by the display driver circuit. The output control circuit is coupled with the time recording circuit and the storage circuit. When the display driver circuit receives the second vertical synchronous pulse, the output control circuit outputs data pieces, generated by dividing the display data, to the display panel. The data pieces are outputted at second time intervals, and each of the second time intervals is positively correlated with the first time interval.

Abstract: A head-mounted display (HMD) including multiple layered display panels. The HMD may include a first display panel to display a first image, and a second display panel positioned in front of the first display panel to at least partially overlap with the first display panel. The second display panel may include a display substrate, and a plurality of light emitting diodes (LEDs) positioned on the display substrate. The plurality of LEDs display a second image. The display substrate and the plurality of LEDs are transparent for the first image to be visible through the second display panel.

Abstract: A display apparatus includes a display panel, a data driver, a power voltage generator, a driving controller and a timing compensator. The display panel displays an image based on input image data. The data driver outputs a data voltage to the display panel. The power voltage generator outputs a data power voltage to the data driver. The driving controller controls a driving timing of the data driver. The timing compensator changes an output timing of the data voltage of the data driver when a feedback data power voltage is less than a reference data power voltage at a start point of an active period.

Abstract: The present disclosure illustrates a driving method of a display panel, and a display device using the same. The driving method includes: adjusting a magnitude of a drive signal of each sub-pixels on the display panel such that the magnitude of the adjusted drive signals gets closer to a preset interval, wherein within the preset interval, slope each of tangent lines on a curve defining variation of luminance with respect to the drive signal is higher than a preset slope threshold; and using the adjusted drive corresponding one of signals to drive the sub-pixels.

Abstract: A method of driving a display panel includes: grouping m adjacent pixels, which output same color light, into one pixel-group in the display panel, where m is an integer greater than or equal to two; determining whether a unit grayscale (UG) to be implemented by the pixel-group is greater than or equal to a determined reference grayscale (REFG) by analyzing respective data signals applied to the pixel-group; performing, in response to the UG being greater than or equal to the REFG, a normal driving that implements the UG by controlling all of the m adjacent pixels to emit light with first luminance corresponding to the respective data signals; and performing, in response to the UG being less than the REFG, a combination driving that implements the UG by controlling only a portion of the m adjacent pixels to emit light with second luminance that is greater than the first luminance.

Abstract: The disclosure provides a multifocal display device, comprising a display configured to generate an image, and a controller configured to control the display according to a bit sequence provided over a determined time period to generate the image with one or more colors. The bit sequence includes for each color a subsequence of bits of different significance. Neither the first bit nor the last bit of the subsequence for the respective color is the most significant bit of the subsequence.

Abstract: A display device includes: a display panel including a plurality of pixels each coupled to a scan line and a data line; a scan driver for supplying a scan signal having at least one scan pulse to the scan line; and a pulse controller for adjusting a number of the scan pulses supplied during one frame, based on an image variation between a previous frame and a current frame.

Abstract: The disclosure provides a multifocal display device, comprising a display configured to generate an image, and a controller configured to control the display according to a bit sequence provided over a determined time period to generate the image with one or more colors. The bit sequence includes for each color a subsequence of bits of different significance. Neither the first bit nor the last bit of the subsequence for the respective color is the most significant bit of the subsequence.

Abstract: Provided are a display panel and a display apparatus. The display panel has a bonding region where a chip is bonded, and a fan-out region where fan-out leads is arranged. Bonding pads in the bonding region include a first pad array and a second pad array, the first pad array being at a side of the second pad array close to the display region. The first pad array includes first pads arranged in at least two rows. The first pad array includes at least one inclined section including at least three first pads that are arranged sequentially and obliquely away from the display region. Such an arrangement allows at least a portion of the fan-out leads to be displaced into the bonding region, to increase the area for arranging the fan-out leads. Therefore, the lower border of the display panel is narrowed.

Abstract: Systems, methods, and devices of the various embodiments enable dynamic configuration of a number of display regions of interest (ROIs) associated with safety critical content presented on a display, such as a vehicle display. Various embodiments may enable verification of data integrity for ROIs on a display. Various embodiments may enable the selection of different sets of display ROIs from a plurality of independent sets of display ROIs each associated with its own set of stored integrity check values (ICVs). Various embodiments may enable stored ICVs to be used to verify the data integrity of ROIs on a display. Various embodiments may enable the set of display ROIs and the associated ICVs for each display ROI to be changed after a number of frames have been displayed.

Abstract: Disclosed is a display driving device. The display driving device may include: a buffer circuit including a positive output amplifier and a negative output amplifier; a switch circuit including output switches connected in series between the positive output amplifier and a first source output terminal, between the positive output amplifier and a second source output terminal, between the negative output amplifier and the first source output terminal, and between the negative output amplifier and the second source output terminal, respectively; and a reset circuit configured to reset output terminals of the positive output amplifier and the negative output amplifier to a middle voltage immediately before switching of the switch circuit for polarity inversion of the first and second source output terminals.

Abstract: A method for preventing crack extensions during a lift-off process is provided. The method includes forming an epitaxial layer on a wafer substrate; forming a guard trench in the epitaxial layer, wherein a depth of the guard trench in a thickness direction of the epitaxial layer is at least half of a thickness of the epitaxial layer, and a total length of the guard trench is greater than at least a quarter of a circumference of the epitaxial layer; and performing a lift-off process to separate the wafer substrate from the epitaxial layer.

Abstract: A timing control circuit and an operating method thereof are provided. The timing control circuit includes a first clock generating circuit, a second clock generating circuit and a control timing generating circuit. The control timing generating circuit is coupled to the first clock generating circuit to receive a first clock signal. The control timing generating circuit is coupled to the second clock generating circuit to receive a second clock signal. The control timing generating circuit starts timing from a first reference time point according to the first clock signal for determining a second reference time point. The control timing generating circuit starts timing from the second reference time point according to the second clock signal for determining a time point of a trailing edge of a current line pulse of a scan reference signal, wherein the current line pulse corresponds to a current scan line of a display panel.

Abstract: A method for driving a display panel, a driving chip and a display device are provided to ameliorate image retention and improve the display performance. The method includes: monitoring a static pattern in a first display image and defining an area where the static pattern is located as a first area when a display brightness value of the area and a display brightness value of an area where a background pattern thereof is located satisfy a first preset condition; and controlling the static pattern to move during displaying of the first display image, or adjusting grayscale values of sub-pixels in a second area during displaying of a second display image, to which the first display image jumps, the second area being an area, corresponding to the first area in the second display image and having a display brightness value lower than a display brightness value of the first area.

Abstract: An LCD device and a method of driving the LCD device that reduce scattering afterimages, the LCD device including: a liquid crystal display panel including a gate line, a data line intersecting the gate line and a pixel connected to the gate line and the data line; a timing controller receiving a data signal including a plurality of frames and outputting a data signal; a power supply generating a gamma reference voltage corresponding to the data signal; and a data driver receiving the data signal, receiving the gamma reference voltage corresponding to the data signal from the power supply and applying a data voltage to the data line.

Abstract: There is provided a display device equipped with a touch sensor that can decrease the area of the mounting surface with electromagnetic interference reduced. The display device includes a plurality of drive electrodes, an output circuit connected to the plurality of drive electrodes, a power supply circuit, and a resistor element. A power of the output circuit is connected to the power supply circuit through the resistor element.

Abstract: A barcode reader is provided. The barcode reader comprises an imaging assembly having a field of view (FOV) extending along one or more horizontal planes and a housing of the imaging assembly, the housing being a cuboid shape having six sides. The FOV of the imaging assembly passes through an opening in a first side of the housing with a width that is 1.5 inches or greater. The first side of the housing has a width that is greater than or equal to 2.5 inches and less than or equal to 3.5 inches, and has a height that is greater than or equal to 2.0 inches and less than or equal to 3.5 inches. The housing is substantially stable when at least a portion of a second side of the housing, substantially parallel to at least one of the one or more horizontal planes, is placed on a flat surface.

Abstract: The examples relate to various implementations of an electrowetting cell and optical devices including the electrowetting cell. The electrowetting cell includes an ionic conductive fluid and a non-conductive fluid having refractive indices that differ by at least 0.2. In an example, the fluids of the electrowetting cell are capable of providing at least 50% transmissivity to radiation in a preselected band within the x-ray, ultraviolet, visible, infrared, microwave, or radiowave spectrums after 1 hour at a temperature of 40° C. and/or after 1 hour of an exposure at an average illuminance of at least 80,000 lux. In another example, the ionic conductive fluid is selected from a compound of Formula 1: in which R is a substituted or unsubstituted, branched or unbranched alkyl group comprising 1 to 8 carbon atoms; R1, R2, and R3 are independently selected from a substituted or unsubstituted phenyl group; and X is selected from a halogen, a sulfonate or sulfonamide group.

Abstract: Provided are an array substrate, a chip on film, a display panel and a display device. The array substrate has a display area and a bonding area located in a periphery of the display area. The array substrate includes a plurality of first bonding pads located in the bonding area, and length directions of the first bonding pads face the display area.

Abstract: A semiconductor module includes a first electronic device in which one terminal is connected to a first wiring line, the other terminal is connected to a second wiring line, and a first device current flows in a first current direction from the first wiring line to the second wiring line, and a second electronic device in which one terminal is connected to a third wiring line, the other terminal is connected to a fourth wiring line, and a second device current flows in a second current direction from the third wiring line to the fourth wiring line, the first electronic device and the second electronic device being disposed such that at least part of a first magnetic flux generated by the first device current flowing in the first current direction cancels at least part of a second magnetic flux generated by the second device current.

Abstract: A display device is disclosed. The display device includes a display panel; a frame positioned in a rear of the display panel; a back cover positioned in a rear of the frame; a controller installed between the frame and the back cover; a control module movable between the frame and the back cover; and a bridge unit installed between the frame and the back cover, electrically connected to the controller, and electrically connected to the control module when the control module is inserted between the frame and the back cover.

Abstract: A camera microcomputer sets a gamma characteristic that suits a luminance input value/output value relationship in the entire luminance region extending from lower luminance to higher luminance of a video signal to a luminance input value/output value relationship of a referential gamma characteristic, irrespective of input dynamic range. A gamma correction processing unit performs gamma correction processing on a captured video signal in such a way as to convert the input value into the output value based on the set gamma characteristic.

Abstract: A gate driver for driving a switching element includes turn-on current sources, turn-on switches, turn-off current sources, and turn-off switches. The turn-on current sources switch a voltage gradient of a rising edge waveform of a gate voltage of the switching element between a plurality of levels when the switching element is turned on. The turn-on switches drive and control the turn-on current sources. The turn-off current sources switch a voltage gradient of a falling edge waveform of the gate voltage between a plurality of levels when the switching element is turned off. The turn-off switches drive and control the turn-off current sources.

Abstract: Disclosed are a phosphor sheet capable of improving color purity of each of RGB reproduced through a color filter, a white light source device including the phosphor sheet, and a display device including the white light source device. The disclosed phosphor sheet is a phosphor sheet for converting LED light into white light, including: a phosphor layer containing at least a phosphor and a resin; and a pair of transparent substrates sandwiching the phosphor layer, in which the phosphor sheet includes a coloring material having an absorption maximum wavelength of at least one of from 480 nm to 510 nm or from 570 nm to 620 nm.

Abstract: Techniques for displaying a quality-improved image with reduced power consumption are provided. In one embodiment, a display panel driver is provided that includes a dithering section configured to receive first m-bit image data and configured to generate second image data by performing dithering on the first image data with n-bit dither values each selected from elements of a dither table, and a driver circuit configured to drive the source lines of a display panel in response to the second image data. In generating the second image data corresponding to first pixels belonging to a first pixel column, the dither values are selected from elements in a first column of the dither table, while the second image data corresponding to second pixels belonging to a second pixel column adjacent to the first pixel column, the dither values are selected from elements in a second column of the dither table.

Abstract: An image exposure method for a mobile terminal may be based on eyeprint recognition and an image exposure system, wherein the image exposure method may include acquiring image data through a camera when it is detected that the mobile terminal turns on the eyeprint recognition; positioning an eyeball at an eyeball position, and acquiring a brightness parameter of the eyeball position; and querying a prestored exposure parameter corresponding to the acquired brightness parameter, adjusting the exposure parameter, and exposing the eyeball at the eyeball position according to the adjusted exposure parameter.

Abstract: Examples herein involve designating a first dimension of a thread visualization based on timing of a duration of a user action, the user action corresponding to a user interaction with an application; designating a second dimension of the thread visualization based on a number of threads of the application utilized for running tasks in response to the user action, the second dimension comprising a number of parallel timelines corresponding to the number of threads; determining locations for representations of the tasks within the appropriate parallel timelines of the thread visualization based on the timing of the tasks and the threads running the tasks; and rendering the thread visualization on a display.

Abstract: A plurality of pixel electrodes disposed in a matrix are electrically connected with a plurality of first thin film transistors, respectively. Coloring layers in a plurality of colors overlap, in a plan view, with two or more pixel electrodes adjacent to each other in one direction among the plurality of pixel electrodes. Channel layers of the first thin film transistors are covered from above by a coloring laminated body including end parts of the respective coloring layers in at least two colors among the coloring layers in a plurality of colors, the end parts overlapping with each other in the plan view.

Abstract: An electrowetting display device is presented. The device includes a top support plate including a top surface and a bottom surface. A viewing surface of the device is over the top surface of the top support plate. A bottom support plate is positioned opposite the top support plate. A plurality of pixel walls are formed over a bottom surface of the top support plate. The plurality of pixel walls are associated with an electrowetting pixel and define a portion of a volume containing at least a portion of a first fluid and a second fluid. A transparent pixel electrode is on the top support plate and a common electrode is over a top surface of the bottom support plate. The common electrode includes a transparent material.

Abstract: A circuit for generating a voltage waveform at an output node includes a first voltage rail configured to be held at a first voltage, the first voltage rail being connected to the output node via a first voltage rail switch, a second voltage rail configured to be held at a second voltage that is different from the first voltage, the second voltage rail being connected to the output node via a second voltage rail switch, at least one anchor node connected to the output node via an inductor and an anchor node switch, and a control unit configured to switch the circuit between: a first voltage outputting state in which the first voltage rail switch is closed and the second voltage rail switch is open, and a second voltage outputting producing state in which the second voltage rail switch is closed and the first voltage rail switch is open.

Abstract: One aspect of the present disclosure relates to a signal generating method for generating a visible light signal. A signal generating method includes: a step SD11 of determining, as a method for transmitting a visible light signal from a transmitter, one of a single-frame transmitting method for transmitting data as one frame and a multiple-frame transmitting method for transmitting the data while dividing the data into a plurality of frames; a step SD12 of, when the multiple-frame transmitting method is determined, generating partition type information indicating a type of data to be transmitted, and generating combination data by adding the partition type information to the data to be transmitted; a step SD13 of generating the plurality of frames each of which includes each of a plurality of data parts by dividing the combination data into the plurality of data parts; and a step SD14 of generating the visible light signal by adding a preamble to a head of each of the plurality of frames.

Abstract: A device, system and method for subliminally projecting structured light patterns is provided. A computing device alters at least a portion of a plurality of content bitplanes to subtract a structured light bitplane therefrom, such that pixels of the structured light bitplane and the plurality of content bitplanes, when altered, sum to a same respective brightness as corresponding pixels of the plurality of content bitplanes before alteration. A a projector projects the structured light bitplane and the plurality of content bitplanes having the structured light bitplane subtracted therefrom. A camera captures images of the structured light bitplane as projected by the projector, for example to calibrate the projector.

Abstract: An electrowetting element comprises a first fluid and a second fluid. A support plate surface has a first surface portion lying in a first plane, and a second surface portion lying in a second plane different from the first plane. The second surface portion comprises a first side, a second side, and a third side extending from the first side to the second side. The third side is located between the first surface portion and the second surface portion, with a first part of the third side non-perpendicular to the first side. A wall corresponds with a perimeter of the surface, the wall comprising: a first wall portion extending along the first side; and a second wall portion extending along the second side.

Abstract: The present application provides a multi-frequency array antenna. The multi-frequency array antenna includes at least one dual-polarized low frequency subarray (21) and at least one dual-polarized high frequency subarray (22), where the dual-polarized low frequency subarray (21) and the dual-polarized high frequency subarray (22) are arranged, within a same radome (23), in parallel along an axial direction (24) of the multi-frequency array antenna, the dual-polarized low frequency subarray includes at least two types of dual-polarized low frequency radiation unit pairs (211), and each of the dual-polarized low frequency radiation unit pairs includes at least four low frequency radiation units.

Abstract: A video player is provided, comprising: a video playing unit, configured to convert an image inputted to the video playing unit into a driving signal for driving a display panel; and an image preprocessing unit, configured to receive the inputted image from a display source, to preprocess the inputted image into n preprocessed images, and to output the n preprocessed images to the video playing unit, wherein the video playing unit is further configured to convert the n preprocessed images into n sets of first driving signals, and to output the n sets of first driving signals via the n output terminals of the video playing unit for displaying, wherein the n preprocessed images correspond to the n output terminals of the video playing unit with each other in a preset manner. Furthermore, a display apparatus and a video playing system and a video playing method are also provided. The video player can display high resolution images at a low cost.

Abstract: Examples relate to a method and implementations of general illumination light emitters, an image display device and an image diffuser in a luminaire. The image display device is configured to output an image having a reduced, or first, pixel image fill factor and, as a result, might appear pixelated. To mitigate the pixelation, the image diffuser has a predetermined image diffusion angle and is a predetermined distance from the image display device. The image diffuser outputs an image having a second image pixel fill factor that is greater than the first image pixel fill factor. The appearance of the outputted image appears to be formed from fuzzy pixels. Characteristics related to the image, device, diffuser, and their arrangement may be optimized to provide the fuzzy pixels. A luminaire may output an image formed of the fuzzy pixels and general illumination lighting to an area.

Abstract: According to an aspect, a display device includes: a substrate including a display region and a non-display region surrounding the display region; at least one driver IC including connecting terminals with a first surface fixed to face the non-display region; first wires supplying a signal to the display region; first bumps connected with the first wires; second wires transferring a signal to and from outside; second bumps connected with the second wires; and inspection wires. The connecting terminals of the driver IC include first connecting terminals overlapping the first or second bumps in plan view, and second connecting terminals not overlapping the first or second bumps in plan view. The inspection wires include a connecting conductor between themselves and at least one of the second connecting terminals. The inspection wires are pulled out to an outside of the driver IC in plan view.

Abstract: The present invention provides an organic electroluminescent element containing a flexible substrate having thereon: a first gas barrier layer, an insulating layer, a first electrode, a light emitting unit containing an organic functional layer, and a second electrode, in that order, wherein the first gas barrier layer is a polysilazane reforming layer; the insulating layer is a layer containing a metal oxide; and a metal element in the metal oxide has a lower redox potential than silicon.

Abstract: An ophthalmic device having improved oxygen transmissibility is provided. The ophthalmic device includes a hydrogel lens wherein the peripheral zone of the hydrogel lens includes a plurality of raised portions on the surface of the lens proximal to the ocular surface.

Abstract: An auxiliary device can be used to display a fiducial that contains information useful in determining the physical size of the fiducial as displayed on the auxiliary device. A primary device can capture image data including a representation of the fiducial. The scale and orientation of the fiducial can be determined, such that a graphical overlay can be generated of an item of interest that corresponds to that scale and orientation. The overlay can then be displayed along with the captured image data, in order to provide an augmented reality experience wherein the image displayed on the primary device represents a scale-appropriate view of the item in a location of interest corresponding to the location of the auxiliary device. As the primary device is moved and the viewpoint of the camera changes, changes in relative scale and orientation to the fiducial are determined and the overlay is updated accordingly.

Abstract: A touch window may include a substrate, and an electrode part on the substrate to detect a position. The electrode part includes a first sub-pattern, a second sub-pattern adjacent to the first sub-pattern, a first electrode layer on the first sub-pattern, and a second electrode layer on the second sub-pattern. Another touch window includes a substrate, and an electrode part on the substrate to detect a position, the electrode part includes a first sub-pattern, a second sub-pattern adjacent to the first sub-pattern, an electrode layer on the first sub-pattern, a first anti-reflective layer on the first sub-pattern, and a second anti-reflective layer on the second sub-pattern.

Abstract: An electrowetting display device includes first and second barrier layers which cover first and second electrodes. The electrowetting display device includes a first base substrate which faces a second base substrate, the first electrode on the first base substrate, the first barrier layer which covers the first electrode, the second electrode on the second base substrate, the second barrier layer which covers the second electrode, a barrier wall between the first base substrate and the second base substrate, and an electrowetting layer between the first base substrate and the second base substrate. The barrier wall defines a pixel area corresponding to the first electrode, and the electrowetting layer is in the pixel area. The electrowetting layer includes a polar fluid and a non-polar fluid which are separated from each other.