12results about How to "Improve display uniformity" patented technology

The application discloses an array substrate and a liquid crystal display panel, and belongs to the technical field of display. The array substrate has a plurality of sub-pixel regions. The array substrate comprises a substrate, and a sub-pixel, a first insulating layer, a common electrode and a first supporting column located on one side of the substrate. The sub-pixel comprises a transistor and a pixel electrode, and the first insulating layer is located between the transistor and the pixel electrode in a direction perpendicular to the substrate. In the same sub-pixel region, the first insulating layer comprises a first via, and the pixel electrode is overlapped with a first electrode of the transistor through the first via. One first supporting column corresponds to two first vias adjacent in a first direction. For the corresponding first supporting column and two first vias, the first supporting column has a part extending into the two first vias, and in the first direction, the maximum width of the first supporting column located in the first via is less than the maximum width of the first via. In this way, the uniform distribution of the guide liquid can be ensured, and the display uniformity is improved.

The application discloses a kind of zero visual seam's liquid crystal display unit, it is related to display technical field.The display unit includes backlight module, liquid crystal panel assembly and optical compensation composite cover plate.Wherein, the edge of backlight module is equipped with the chamfer support surface that is inwards shrinkage, the non-display area of liquid crystal panel assembly is bent or adhered along the chamfer support surface, so that the physical height of non-display area is lower than the plane where effective display area is located.Optical compensation composite cover plate is adhered to the surface of liquid crystal panel assembly and extends to cover above non-display area, and the cover plate sequentially includes light remodeling layer, waveguide light uniform layer and wide-angle scattering layer from bottom to top.The application is cooperated by mechanical structure and micro-nano optics, realizes the visual screening of physical seam under the premise of not increasing electronic control complexity, solves the problems of large assembly thickness, black seam ghost and edge image distortion in traditional seam elimination scheme.

This application discloses a display panel and a display device, belonging to the field of display technology. The display panel includes: a substrate; scan lines extending along a first direction and spaced apart on the substrate; data lines extending along a second direction and spaced apart on the substrate, the scan lines and data lines intersecting on different layers to form sub-pixel areas; common electrode traces extending along the second direction and spaced apart on the substrate in the first direction; the projections of the common electrode traces and data lines on the substrate at least partially overlap; and bridging traces configured to bridge two adjacent common electrode traces in the second direction; the display device includes the above-described display panel. This application reduces the lateral space occupied by the common electrode traces in the pixel aperture area, improves the pixel aperture ratio and light transmittance, increases display brightness, reduces device operating power consumption, and can improve display uniformity and reduce vertical bright and dark stripes.

The utility model relates to a kind of optical waveguide with double-sided coupling-out structure. Including: waveguide substrate, coupling-in unit, first coupling-out unit and second coupling-out unit, coupling-in unit and first coupling-out unit are located in the first surface of waveguide substrate, second coupling-out unit is set in the second surface of waveguide substrate opposite to first coupling-out unit, and second coupling-out unit is high-reflection-efficiency diffraction structure.Coupling-in unit is configured to couple image light into the waveguide substrate, part of the image light is diffracted by the first coupling-out unit, and the remaining light is reflected by the second coupling-out unit when it reaches the second coupling-out unit.

This application discloses a display panel and an electronic device. The display panel includes a substrate and light-emitting devices. The light-emitting devices of the display panel include a first light-emitting device and a second light-emitting device with two different emitting colors. Since the luminous efficiency of a single light-emitting unit in the first light-emitting device is lower than that of a single light-emitting unit in the second light-emitting device, this application improves the overall luminous efficiency of the first light-emitting device by including at least two light-emitting units stacked and connected in series, thereby reducing the power consumption of the first light-emitting device. Furthermore, the number of light-emitting units in the second light-emitting device is less than that in the first light-emitting device to reduce the difference in luminous efficiency between the two devices. This avoids excessively low driving current for the second light-emitting device at low grayscale levels, thereby improving the display uniformity of the display panel at low grayscale levels.

This application belongs to the field of display technology and relates to a display panel, including a substrate and a pixel defining unit disposed on one side of the substrate. The pixel defining unit has multiple pixel openings, and a first electrode and a functional layer are sequentially stacked within each pixel opening. It also includes a second electrode; the second electrode located in the non-display area has several holes. This application also relates to a method for manufacturing a display panel and a display device. This application can improve the display uniformity of the display panel.

This invention relates to the field of liquid crystal display technology, and more particularly to an intelligent driving method and system for liquid crystal displays. The method includes the following steps: recording the current decay waveform of the source driver charging the pixel capacitor during pixel charging; calculating the charging time constant based on the current decay waveform; calculating the current pixel capacitance value using the charging time constant and the transistor on-resistance; converting the current pixel capacitance value into an orientation angle corresponding to the pixel orientation state; comparing the current orientation angle with the target orientation angle corresponding to the pre-acquired target grayscale, and calculating the orientation angle deviation; and using a driving sequence containing multiple voltage pulses based on the orientation angle deviation. This invention achieves closed-loop precise driving based on pixel state feedback by deriving the pixel capacitance from the current decay and converting it into the pixel orientation state, overcoming the problem of long-term open-loop blind driving in liquid crystal displays.

This invention proposes a display driving circuit and a display panel. The display driving circuit includes a gate start signal access module and a gate driving module. The gate start signal access module includes multiple pre-charge units and multiple switching units. By setting the switching units to control the start terminal of the gate driving module to be grounded when the clock signal is valid, the gate driving module is avoided from being affected by both the clock signal and the gate start signal simultaneously, reducing the occurrence of leakage problems. At the same time, since each gate driving module avoids leakage problems caused by the superposition of the clock signal and the gate start signal, the difference in charging rate caused by inconsistent pre-charging conditions between the gate driving modules is avoided, thus improving the uniformity of the display.

This application discloses a display panel, a display device, and a compensation method for the display panel, relating to the field of display technology. The display panel includes sub-pixels, each sub-pixel comprising a light-emitting element and a pixel circuit. The pixel circuit includes a signal acquisition module. The light-emitting element is electrically connected between a first power line and a second power line. The signal acquisition module has a first end electrically connected to a data signal line and a second end electrically connected to the second electrode of the light-emitting element. The signal acquisition module is used to conduct under the control of a first scan signal on a first scan signal line and to acquire actual electrical signals through the data signal line. According to embodiments of this application, the signal acquisition module can acquire actual electrical signals, which is beneficial for improving the display uniformity of the display panel.

This application provides a display device and its driving method. The display device includes a display panel. The display panel includes a plurality of pixel units. Each pixel unit includes a first sub-pixel and at least one second sub-pixel. The first sub-pixel includes a first driving circuit and a first light-emitting diode. The first driving circuit includes a first pulse amplitude modulation control module, a first transistor, and a second transistor. The second sub-pixel includes a second driving circuit and a second light-emitting diode. The second driving circuit includes a second pulse amplitude modulation control module, a second pulse width modulation control module, a third transistor, and a fourth transistor. The technical solution of this application reduces the number of data signal lines, lowers the complexity of the driving circuit, improves color point stability and brightness uniformity, reduces transient current peaks, and improves the reliability of the display device.

This invention discloses a display panel and a display device. The display panel includes a substrate, a gate driving circuit, multiple output signal lines, and multiple auxiliary signal lines. Multiple pixel circuits are arranged in an array on the substrate. The gate driving circuit is connected to the output signal lines, which output gate control signals generated by the gate driving circuit. The auxiliary signal lines are connected between the output signal lines and the pixel circuits, and transmit the gate control signals from the output signal lines to the pixel circuits. The auxiliary signal lines are disposed on different layers from the output signal lines, and the impedance of the auxiliary signal lines is less than that of the output signal lines. This solution helps reduce the transmission voltage drop of the gate control signals, ensures the consistency of the gate control signals between the edge and center areas of the display panel, thereby reducing display differences between the edge and center areas, improving display uniformity, and enhancing the display effect.