Abstract: A display device includes a first pixel driver connected to a sweep line, the first pixel driver generating a control current based on a first data voltage, a second pixel driver connected to a scan control line, the second pixel driver generating a driving current based on a second data voltage and controlling a period for which the driving current flows, based on the control current, and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes a first transistor generating the control current based on the first data voltage, a second transistor providing the first data voltage to a first electrode of the first transistor based on a scan write signal, and a first capacitor including a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep line.

Abstract: Provided are a display device and a tiled display comprising the same. The display device includes PWM data lines for respectively receiving PWM data voltages, first to third data lines for respectively receiving first to third data voltages, sub-pixels respectively connected to the PWM data lines, respectively connected to the first to third data lines, and respectively including at least one light-emitting element, a global power supply line for receiving a global power supply voltage, and a first demultiplexer between the PWM data lines and the global power supply line, wherein the PWM data voltages have grayscale voltages from a black grayscale voltage to a white grayscale voltage, the black grayscale voltage being greater than or equal to the global power supply voltage.

Abstract: A display device includes connection lines, pulse amplitude modulation (PAM) data lines configured to receive pulse width modulation (PWM) data voltages, PWM data lines configured to receive the PWM data voltages, a first connection control line configured to receive a first connection control signal, a second connection control line configured to receive a second connection control signal, subpixels connected to the PWM data lines and the PAM data lines, and a first demultiplexer (demux) unit configured to connect the connection lines to the PAM data lines or to the PWM data lines according to the first connection control signal and the second connection control signal.

Abstract: An upper rail device for a seat of a vehicle includes: a lower plate in which a slot is formed, a drive housing mounted on the lower plate, a drive support that passes through the slot for insertion into a curved movement path of a lower rail, a motor with a reducer mounted on an upper surface of the drive housing, a drive shaft connected to an output portion of the reducer, a drive gear mounted on a lower end portion of the drive shaft and engaged with a driven gear mounted within the curved movement path of the lower rail. The upper rail device may be fastened to enable sliding movement along the curved movement path of the lower rail so that the seat can be moved in a diagonal or oblique direction depending on various purposes, which can improve a seat position movement adjustment.

Abstract: A lower rail for a seat of a vehicle has a structure with a curved movement path, in which the seat may be moved in an oblique direction or a diagonal direction according to various seat positions, thereby allowing a degree of freedom for adjusting a seat position movement. In addition, the lower rail includes a curved inner channel bent at a predetermined angle and a curved outer channel bent at about a same angle as the curved inner channel, which are separately provided and configured to be mutually combined in order to provide one curved movement path for moving the seat.

Abstract: A strength prediction system for a multilayer material with n films stacked includes an input portion where one or more values are entered. The values include the elastic modulus of each layer, Poisson's ratio, Young's modulus, thickness, stacking angle, principal stress direction strength, and the total thickness of the multilayer material. The strength prediction system also includes a control portion that calculates the strength of a multilayer material by applying the values entered in the input portion, a display connected to the control portion, and a storage portion connected to the control portion. The control portion defines a strength value of a multilayer material. A method for predicting the strength of a multilayer material having two or more films stacked thereto is also provided.

Abstract: A display device includes a first pixel driver connected to a sweep line, the first pixel driver generating a control current based on a first data voltage, a second pixel driver connected to a scan control line, the second pixel driver generating a driving current based on a second data voltage and controlling a period for which the driving current flows, based on the control current, and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes a first transistor generating the control current based on the first data voltage, a second transistor providing the first data voltage to a first electrode of the first transistor based on a scan write signal, and a first capacitor including a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep line.

Abstract: A method for virtual reality-based visual field inspection according to an embodiment is a method that performs a visual field inspection on a head-mounted display. The method includes: outputting a background including a background image and a focus point image; outputting an indicator on the background; and sensing user input from an examinee according to output of the indicator.

Abstract: A display device includes a display area which displays an image, and a non-display area disposed around the display area and including a pad part. The display area includes pixels of a first pixel row which are pixels arranged in a first direction along the first pixel row, pixels of a second pixel row, which are pixels arranged in the first direction along the second pixel row next to the first pixel row, and pixel circuits of a first circuit row which are pixel circuits arranged in the first direction along the first circuit row, where the pixel circuits of the first circuit row are electrically connected to the pixels of the first pixel row, respectively. The first pixel row and the first circuit row are spaced apart from each other with the second pixel row interposed therebetween.

Abstract: A display device includes a substrate including a plurality of emission areas respectively corresponding to a plurality of subpixels for displaying an image, a plurality of light emitting elements respectively located in the plurality of emission areas of a first surface of the substrate and respectively corresponding to the plurality of subpixels, a first planarization layer on the first surface of the substrate and covering the plurality of light emitting elements, and an array layer on the first planarization layer.

Abstract: Provided are a display device and a tiled display comprising the same. The display device includes PWM data lines for respectively receiving PWM data voltages, first to third data lines for respectively receiving first to third data voltages, sub-pixels respectively connected to the PWM data lines, respectively connected to the first to third data lines, and respectively including at least one light-emitting element, a global power supply line for receiving a global power supply voltage, and a first demultiplexer between the PWM data lines and the global power supply line, wherein the PWM data voltages have grayscale voltages from a black grayscale voltage to a white grayscale voltage, the black grayscale voltage being greater than or equal to the global power supply voltage.

Abstract: Provided is a pressure vessel intended for storing up a fluid having high pressure, and more specifically, to a pressure vessel capable of enabling a sealing pad made of an elastic material to effectively prevent the fluid from flowing out from a bonding portion of a nozzle and a liner. The pressure vessel includes: a liner formed to be hollow so as to enable its inside to be filled with the fluid; a nozzle combined with one side of the liner, or each end portion of both sides so as to enable a coupling part having a cylindrical shape to be located in the inside of the liner; a sealing pad having a ring-like shape configured to enable the coupling part to pass through its center, and formed of an elastic material; and a sealing nut coupled to the coupling part from a lower portion of the sealing pad.

Abstract: A display device includes a substrate including a plurality of emission areas respectively corresponding to a plurality of subpixels for displaying an image, a plurality of light emitting elements respectively located in the plurality of emission areas of a first surface of the substrate and respectively corresponding to the plurality of subpixels, a first planarization layer on the first surface of the substrate and covering the plurality of light emitting elements, and an array layer on the first planarization layer.

Abstract: A display device includes a scan write line, a PWM emission line, a PAM emission line, a sweep signal line, a first data line, a second data line, and a subpixel connected thereto, and including a light emitting element, a first pixel driver to supply a control current to a node according to the first data voltage in response to the PWM emission signal, a second pixel driver to generate a driving current according to the second data voltage in response to the PWM emission signal, and a third pixel driver to supply the driving current to the light emitting element according to the PAM emission signal and a voltage of the node, wherein the PWM emission signal includes a plurality of PWM pulses, the PAM emission signal includes a plurality of PAM pulses, and a number of the PWM pulses is greater than a number of the PAM pulses.

Abstract: A display device includes connection lines, pulse amplitude modulation (PAM) data lines configured to receive pulse width modulation (PWM) data voltages, PWM data lines configured to receive the PWM data voltages, a first connection control line configured to receive a first connection control signal, a second connection control line configured to receive a second connection control signal, subpixels connected to the PWM data lines and the PAM data lines, and a first demultiplexer (demux) unit configured to connect the connection lines to the PAM data lines or to the PWM data lines according to the first connection control signal and the second connection control signal.

Abstract: A system and method for predicting the physical properties of a multilayer material are provided. The system and method can predict physical properties such as a coefficient of thermal expansion and coefficient of water expansion of the multilayer material, and a warpage of the multilayer material when developing the multilayer material.

Abstract: A display device includes a scan write line, a PWM emission line, a PAM emission line, a sweep signal line, a first data line, a second data line, and a subpixel connected thereto, and including a light emitting element, a first pixel driver to supply a control current to a node according to the first data voltage in response to the PWM emission signal, a second pixel driver to generate a driving current according to the second data voltage in response to the PWM emission signal, and a third pixel driver to supply the driving current to the light emitting element according to the PAM emission signal and a voltage of the node, wherein the PWM emission signal includes a plurality of PWM pulses, the PAM emission signal includes a plurality of PAM pulses, and a number of the PWM pulses is greater than a number of the PAM pulses.

Abstract: A display device includes a first pixel driver connected to a sweep line, the first pixel driver generating a control current based on a first data voltage, a second pixel driver connected to a scan control line, the second pixel driver generating a driving current based on a second data voltage and controlling a period for which the driving current flows, based on the control current, and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes a first transistor generating the control current based on the first data voltage, a second transistor providing the first data voltage to a first electrode of the first transistor based on a scan write signal, and a first capacitor including a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep line.

Abstract: A display device includes connection lines, pulse amplitude modulation (PAM) data lines configured to receive pulse width modulation (PWM) data voltages, PWM data lines configured to receive the PWM data voltages, a first connection control line configured to receive a first connection control signal, a second connection control line configured to receive a second connection control signal, subpixels connected to the PWM data lines and the PAM data lines, and a first demultiplexer (demux) unit configured to connect the connection lines to the PAM data lines or to the PWM data lines according to the first connection control signal and the second connection control signal.

Abstract: The present technology relates to a system and method for predicting the physical properties of a multilayer material, and the system and method may predict physical properties such as the elastic modulus, shear modulus, and Poisson's ratio of an entire laminate when a multilayer material having a laminated structure is developed, and may predict not only the homogenized robustness of the entire laminate of the multilayer material, but also the stress and strain of each layer at the time of occurrence of external forces including expansion stress considering environmental factors such as a temperature change or a humidity change are generated.