A display control device controls a superimposed display of a content by a head-up display for a vehicle. The display control device estimates a visible area of a road surface in a foreground included in an angle of view of the head-up display, and an invisible area of the road surface in the foreground included in the angle of view; distinguishes, in a route content, a visible part superimposed in the visible area, an invisible part superimposed in the invisible area, and an overlapping portion between the visible part and the invisible part; and causes the overlapping portion to be displayed in a display mode different from display modes of a visible non-overlapping portion of the visible part out of the overlapping portion and an invisible non-overlapping portion of the invisible part out of the overlapping portion.

A display manufacturing system includes: a plurality of display devices, each including a display panel which displays an image; a driving voltage measurer which calculates a saturation voltage corresponding to a luminance of the image displayed on the display panel by changing a driving power voltage for driving the display panel; and a processor which calculates a current density and a degradation weight value based on the saturation voltage, and controls the display panel included in each of the plurality of display devices based on the current density and the degradation weight value.

Disclosed is integrated circuit panel which detects fault of a driving circuit. The integrated circuit panel includes: a driving circuit array including first and second driving circuits; a data driver configured to output first and second input data signals through first and second data lines, respectively; a switch driver configured to output a switching signal through a switch line; and an error detection driver configured to receive first and second output data signals through first and second test lines, respectively, wherein, in response to the switching signal, the first and second driving circuits are configured to output the first and second output data signals, which are based on the first and second input data signal, through the first and second test lines, respectively, and the error detection driver is configured to detect a fault of the first or second driving circuit based on the first or second output data signal.

Systems and methods for implementing a continuously monitoring safety system that tracks emission of light energy from the light source by measuring energy at various sampling points within image frames projected by a projector and estimating a highest energy for a pupil area of each of the image frames based on a subset of sampling points encompassed by the pupil area. The highest energy for each of the image frames is summed to generate a cumulative highest energy, which is compared to a predetermined threshold, and in response to the cumulative highest energy exceeding the threshold, adjusting an power output of the projector.

A touchscreen resistive sensor includes a network of resistive sensor branches coupled to a number of sensor nodes arranged at touch locations of the touchscreen. A test sequence is performed by sequentially applying to each sensor node a reference voltage level, jointly coupling to a common line the other nodes, sensing a voltage value at the common line, and declaring a short circuit condition as a result of the voltage value sensed at the common line reaching a short circuit threshold. A current value level flowing at the sensor node to which the reference voltage level is applied is sensed and a malfunction of the resistive sensor branch coupled with the sensor node to which a reference voltage level is applied is generated as a result of the current value sensed at the sensor node reaching an upper threshold or lower threshold.

A display panel, methods for manufacturing and detecting the display panel and a display device are provided. The display panel includes: a substrate, including a display region and a circuit region; multiple signal line terminals in the circuit region, coupled with signal lines respectively; multiple switch elements in the circuit region, first terminals of the switch elements are coupled with the signal line terminals respectively; multiple leads located in the circuit region and on a side of the signal line terminals distal to the display region, spaced apart from each other along a first direction, extending along a second direction, first ends of the leads are coupled with the second terminals of the switch elements respectively, second ends of the leads in the second direction extend to an edge of the substrate, each switch element is configured to connect or disconnect the first terminal and the second terminal thereof.

The present application provides a method, a device and a system for determining an actual option common voltage of a display panel. The method for determining the actual option common voltage of the display panel includes the following steps: acquiring a first common voltage and a second common voltage for fitting a curve; acquiring a first flicker corresponding to the first common voltage and a second flicker corresponding to the second common voltage; acquiring a first Vcom-Flicker curve according to the first common voltage and the first flicker, and acquiring a second Vcom-Flicker curve according to the second common voltage and the second flicker; and determining a common voltage at an intersection of the first Vcom-Flicker curve and the second Vcom-Flicker curve, in which the common voltage at the intersection is the actual option common voltage.

A display device includes a plurality of touch electrode disposed in the display area; a touch connection electrode which connects two adjacent touch electrodes which are spaced apart from each other, among the plurality of touch electrodes; and a crack detecting electrode which surrounds the camera area and is disposed on the same layer as the plurality of touch electrodes, the plurality of touch electrodes include a plurality of first touch electrodes extending in a first direction and a plurality of second touch electrodes extending in a second direction intersecting the first direction, wherein the crack detecting electrode includes a first crack detecting electrode which surrounds the camera area and a second crack detecting electrode which is disposed in the display area and extends in the second direction, and the second crack detecting electrode has a zigzag pattern.

A tiling display apparatus includes a plurality of display modules connected to one another through a first interface circuit and a second interface circuit and a set board receiving a defect occurrence and position signal, generated in a broken-down module of the plurality of display modules, from the broken module through the first interface circuit in a first period, generating a defect recognition completion signal in a second period succeeding the first period, and transferring the defect recognition completion signal to the broken-down module through the second interface circuit in the second period.

A display device includes a display layer including an active area in which a plurality of pixels is arranged and a peripheral area located adjacent to the active area. The display layer includes a transistor disposed in the active area and including a gate, a source, and a drain, a first crack line disposed in the peripheral area and surrounding a portion of the active area in a plan view, and a second crack line disposed in the peripheral area under the first crack line. The first crack line is insulated from the second crack line.