Abstract: A backlight device includes: a plurality of LED elements arranged in a plurality of regions including a first region and a second region; a plurality of LED drive circuits configured to generate LED drive signals configured to drive the LED elements; a control circuit configured to outputs a vertical synchronization signal and current setting data configured to set luminance of the LED elements; and a time constant circuit that delays the vertical synchronization signal by a predetermined time. The LED drive circuits includes a first LED drive circuit associated with the LED elements in the first region. The time constant circuit includes a first time constant circuit connected to the first LED drive circuit. The first LED drive circuit is configured to receive the current setting data output from the control circuit and receive the first vertical synchronization signal delayed by the first time constant circuit.

Abstract: A display device including a display area and a foldable area includes a digitizer, and a display panel arranged on the digitizer, wherein the digitizer includes a first digitizer layer, and a second digitizer layer arranged on the first digitizer layer to be in contact with the first digitizer layer, and wherein the first digitizer layer includes a first layer including a polyimide material, and a plurality of first wires arranged on the first layer to be directed in a first direction and including a graphene material, and the second digitizer layer includes a second layer including a polyimide material, and a plurality of second wires arranged on the second layer to be directed in a second direction crossing the first direction and including a graphene material.

Abstract: The present invention relates to an image compensation device for an image for augmented reality. The image compensation device includes: a compensation function determination unit configured to determine a compensation function for compensating the luminance information of an observed image observed by a user through an optical device for augmented reality when an original image for augmented reality is output from an image output unit; and a pre-compensated image information generation unit configured to generate pre-compensated image information for augmented reality based on the compensation function determined by the compensation function determination unit and original image information for augmented reality.

Abstract: A timing controller includes: an image input module configured to output respective raw data according to accessed video source data; a data processing module configured to buffer the raw data in one row and splice each row of raw data into display time control data and display luminous control data; a grayscale mapping and dividing module configured to establish a mapping relationship between the display luminous control data and a high grayscale and a mapping relationship between the display time control data and a low grayscale, to output display data; and a timing control module configured to control writing of the display data.

Abstract: Provided is a head-mounted image display device 100 including an image acquisition unit 104 that acquires a positional relationship image from which a positional relationship between a pupil position of an eyeball of a user and a visually recognizable region of the user can be estimated and a projection system 103 onto which incident light is projected, and the visually recognizable region is a focal position of the projection system 103. Further, the image display device 100 includes an imaging element, and the imaging element acquires the three-dimensional positional relationship image.

Abstract: The present application relates to a power supply abnormality detection circuit and a display terminal, where the circuit includes a power supply conversion module for converting an input power supply into an output power supply; a comparison module for comparing a current output power supply with a preset reference power supply to obtain a first comparison signal; a control module for generating a control signal based on the first comparison signal; and a power supply management module for determining a first operation state corresponding to normality of the output power supply and a second operation state corresponding to abnormality of the output power supply based on the control signal.

Abstract: Discussed are a display panel and a display device having the same. The display panel includes a plurality of subpixels. A gate line, a data line, and a reference voltage line are further disposed on the display panel. A gate driving circuit supplies a scan signal to the gate line. A data driving circuit converts image data into a data voltage and supplies the data voltages to the data line. A timing controller controls the gate driving circuit and the data driving circuit and generates compensation data for the image data using a sensing voltage detected through the reference voltage line. The display panel includes a plurality of sensing transistors disposed around a corresponding subpixel among the plurality of subpixels to connect the data line and the reference voltage line.

Abstract: A display panel includes a fundamental frequency display frame and a low frequency display frame. In the fundamental frequency display frame, a light emission control signal includes a light emission control period. A bias adjustment signal includes a bias adjustment period. The bias adjustment period is M times greater than the light emission control period. The fundamental frequency display frame includes a fundamental frequency scan stage. The time of the fundamental frequency scan stage is N times greater than the light emission control period. The low frequency display frame includes a fundamental frequency scan stage and a blank stage. The blank stage includes at least a non-bias stage. The time of the non-bias stage is L times greater than the light emission control period. L is not an integer multiple of M.

Abstract: A display module includes a display panel, a plurality of functional layers disposed on the display panel, and an adhesive layer disposed between the plurality of functional layers or between one of the plurality of functional layers and the display panel. The adhesive layer has a storage modulus equal to or greater than about 0.02 megapascal (MPa) and equal to or smaller than about 0.045 MPa at a temperature of about 60 degrees Celsius (° C.) and has creep characteristics equal to or greater than about 10 percent (%) and equal to or smaller than about 30%.

Abstract: A foldable display device includes a display panel including a folding area and non-folding areas on both sides of the folding area in a folding direction; a first support substrate configured to support the display panel under the display panel and including a plurality of opening patterns corresponding to the folding area; and a second support substrate between the display panel and the first support substrate and including a plurality of protrusion patterns protruding to be inserted into the plurality of opening patterns. Sizes of the plurality of protrusion patterns are smaller than sizes of the corresponding plurality of opening patterns. Therefore, it is possible to improve durability and prevent or at least reduce degradation of folding characteristics of the foldable display device.

Abstract: A text input method and apparatus, and a non-transitory computer readable storage medium are provided. In the text input method, in response to determining that a head-mounted display device is triggered for text input, the head-mounted display device displays a text input control in a target picture displayed by the head-mounted display device. The text input control may include a plurality of first child controls that correspond to characters, and each first child control displays corresponding characters respectively. Furthermore, in response to determining that a target first child control among the plurality of first child controls is triggered, the head-mounted display device determines target characters corresponding to the target first child control, determines a text to be inputted based on the target characters, and inputs the text to be inputted into a text input box displayed on the target picture.

Abstract: An apparatus, method for lens barrel distance adjustment, device and computer medium are provided. The method includes: obtaining an eye image of a user; determining a pupillary distance of the user based on the eye image; obtaining a first output voltage determined by a hall sensor; in response to that the first output voltage indicates that an absolute value of a difference value between a distance between left and right lens barrels of a head-mounted device and the pupillary distance of the user is greater than a predetermined threshold, sending a control instruction corresponding to the difference value to an adjustment circuit, causing the adjustment circuit to adjust a distance between the left and right lens barrels based on the control instruction. The hall sensor and the adjustment circuit are provided on the head-mounted device.

Abstract: Discussed is a display device including a substrate having a display area and a non-display area in the display area, light-emitting elements disposed in the display area, an encapsulation unit covering the light-emitting elements, a plurality of touch-sensing electrodes on the encapsulation unit in the display area and extending in a first direction, and a plurality of touch-driving electrodes on the encapsulation unit in the display area and extending in a second direction different from the first direction, in which the plurality of touch-sensing electrodes include a plurality of sub-touch-sensing electrodes spaced apart from each other, and in which at least one sub-touch-sensing electrode, which is adjacent to the non-display area among the plurality of sub-touch-sensing electrodes, is configured as a first variant electrode having a shape different from a shape of a remaining sub-touch-sensing electrode except for the at least one sub-touch-sensing electrode among the plurality of sub-touch-sensing elec

Abstract: A light emitting device is provided. The device includes a plurality of pixels, each pixel including a light emitting element and a driving transistor configured to supply a current corresponding to a luminance signal to the light emitting element and a driving circuit including a scanning circuit configured to perform write scanning of scanning the plurality of pixels on a row basis and writing the luminance signal in a gate of the driving transistor. The driving circuit performs, only during a period from an activation of the light emitting device to a start of the write scanning when the write scanning is performed for a first time, a signal write operation of collectively writing a predetermined signal in the gates of the driving transistors included in pixels arranged in not less than two rows among the plurality of pixels.

Abstract: A surgical instruments can be carried out via a foot switch by an operator or a surgeon. It is typical that during operation, multiple surgical instruments are each operated via one foot switch. As a result, the risk of an incorrect operation of the foot switches increases because the space available for the placement of the foot switches is limited. The invention provides a method and a device using which various functions in connection with surgical instruments can be carried out in a simple and safe manner. This is achieved in that at least one projector for generating a virtual control panel and at least one sensor for acquiring the virtual control panel are assigned to a foot switch.

Abstract: A pen and touch input system according to an embodiment of the present invention includes a touch input device including a sensor unit and a control unit for controlling the sensor unit and a stylus pen interacting with the touch input device.

Abstract: The present disclosure relates to a power circuit and a display device including the same. The power circuit includes an output terminal configured to supply an output voltage to a digital circuit; a current sensing resistor connected to the output terminal; a sensing part configured to receive a first reference voltage and voltages of both ends of the current sensing resistor and vary one of a feedback voltage and a second reference voltage; and a voltage generation part configured to receive the feedback voltage and the second reference voltage and lowers the output voltage when a current flowing through the current sensing resistor decreases.

Abstract: The present disclosure provides methods, apparatuses, systems, and computer-readable mediums for switching from a standby mode to a normal mode. In some embodiments, an electronic device includes a communication interface including a plurality of communication modules configured to communicate with a corresponding plurality of display modules of a display device, a memory storing instructions, and at least one processor configured to execute the instructions to transmit, to a first communication module, a first pulse signal configured to turn on the first communication module in a first time period, transmit, to a first display module, a first control signal based on having received a first remote control signal configured to switch the electronic device from the standby mode to a normal mode, and switch the electronic device from the standby mode to the normal mode based on receiving a first response signal indicating reception of the first control signal.

Abstract: The system may include at least one a light emitter configured to emit light over a range of wavelengths onto an environment and at least one sensor assembly. The range of wavelengths emitted by the light emitter may be of wavelengths that are above or below wavelengths used by a night vision imaging system. The sensor assembly may include an image sensor and conversion layer. The image sensor may capture images of the environment illuminated by the light emitters and sense light in a given range of wavelengths. The conversion layer may receive the emitted light and convert the emitted light to converted light with a wavelength within the given range of wavelengths associated with the image sensor. The image sensor may be further configured to receive the converted light from the conversion layer, capture an image of the light emitter and output image data associated with the captured image.

Abstract: An information processing device includes at least one memory and at least one processor which function as: an acquisition unit configured to acquire operation information of a two-dimensional operation performed on a controller; and a control unit configured to control an object displayed on a display device based on the operation information and a correspondence relationship between an operation coordinate system for determining an operation direction of the two-dimensional operation performed on the controller and a display coordinate system for determining a display position of the display device.