50results about How to "Fix uneven display" patented technology

The invention describes an organic light emitting display panel and a driving method therefor. The organic light emitting display panel comprises at least one first circuit and a plurality of second circuits; the first circuit comprises a signal generating unit, a signal input control unit and a signal detecting unit. Each second circuit comprises a first transistor. The first circuit is connected with the second circuits via data cables, and the first circuit is used for capturing and compensating threshold value of the first transistor of each second circuit. The organic light emitting display panel and the driving method therefor can effectively solve problems that display is not uniform due to threshold voltage shift, an organic light emitting diode is still turned on stealthily during threshold value compensation processes, and node electric potential cannot be accurately written in during the threshold value compensation processes.

The invention provides a pixel circuit, a driving method and a display panel. The pixel circuit comprises a sharing unit and N control light-emitting units, wherein an input end of each control light-emitting unit is electrically connected with an output end of the sharing unit; an output end of each control light-emitting unit is electrically connected with a corresponding light-emitting element, and a control end of each control light-emitting unit is electrically connected with a corresponding control signal line; the sharing unit is used for driving each light-emitting element, which is correspondingly and electrically connected with the output end of the corresponding control light-emitting unit, to emit light through the corresponding control light-emitting unit; and N is a positive integer greater than or equal to 2. The pixel circuit, the driving method and the display panel can achieve the effects of solving the uneven display problem caused by transistor threshold value drift, being compatible with process capability, and increasing a resolution ratio of the organic light emitting display panel.

The invention provides an array substrate, a display panel and a display device and relates to the technical field of display. The array display comprises a substrate, a plurality of first signal lines and a plurality of second signal lines, wherein the first signal lines and the second signal lines are arranged at one side of the substrate and are insulated from each other. Besides, the substrateis provided with a display region and a special-shaped non-display region; the special-shaped non-display region comprises at least one special-shaped edge extending along a direction respectively crossed with a first direction and a second direction; the first signal lines include at least one first sub first signal line, the second signal lines include at least one first sub second signal line,the first sub first signal line and the first sub second signal line respectively have a part of conductor located in the special-shaped non-display region; in the special-shaped non-display region,at least one first sub signal line and M first sub second signal lines are overlapped, wherein M is an integer not less than 1. The array substrate, the display panel and the display device solve theproblem of non-uniform displaying.

The invention discloses an OLED (Organic light-emitting diode) display panel, a driving method thereof and a display device. The pixel row number N2 in a second display area is set to be close to an integer multiple of a light and shade fringe period (A/nt-row pixels), that is, (k-0.1)A/n</=N2t</=(k+0.1) A/n, N2t>0, and k is an integer no smaller than 0. Although alternately light and shade stripes move constantly, the number of pixels with the maximum light pixels and the number of pixels with the minimum light pixels have little difference, the current changes are few, inconsistent PVDD voltage drop generated by large difference of the numbers of light pixels of the display panel in different times caused by the second display area can be improved, and the problem of uneven display is further solved.

The invention discloses a color film substrate, a display panel and a display device. The color film substrate has a display area and a non-display area. The color film substrate comprises a substrateand a planarization layer, and a light shielding layer and a color resistance layer located between the substrate and the planarization layer, wherein the color resistance layer comprises a pluralityof display color resistance patterns and a plurality of dummy color resistance patterns; the display color resistance pattern is arranged in the display area, and the dummy color resistance pattern is arranged in the non-display area; the light shielding layer located in the display area comprises a plurality of opening structures, and the orthographic projection of the display color resistance pattern on the substrate covers the orthographic projection of the opening structure on the substrate; the light shielding layer located in the non-display area is provided with a plurality of first grooves, and the thickness of the light shielding layer at each position in the non-display area is greater than 0. The thickness of the display area and the thickness of the non-display area of the color film substrate of the embodiment of the invention can tend to be consistent, so as to improve the box thickness difference between the display area and the non-display area in the display panel, thus improving the display effect and the product yield.

The invention provides a pixel drive circuit of an organic light-emitting diode, the circuit being used for driving an organic light-emitting diode to emit light. The pixel drive circuit of an organic light-emitting diode comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a first capacitor, a second capacitor and a driving transistor. Through sequential cooperation among the first capacitor, the second capacitor and the transistors, the threshold voltage of the driving transistor is prevented from drifting and voltage drops of a high-level power source is prevented, image display unevenness caused by different driving currents that drive different organic light-emitting diodes to emit light is avoided when the different organic light-emitting diodes receive the same image data voltage.

The invention discloses an organic electroluminescence diode display panel which comprises m grid lines, n data lines, at least one compensation unit and a plurality of pixel circuit units, wherein the grid lines extend in a first direction; the data lines extend in a second direction; the pixel circuit units comprise first transistors and light emitting elements; the compensation units are used for acquiring and compensating threshold voltage of the first transistors; one compensation unit is connected with at least one pixel circuit unit through the data lines; one grid line is connected with at least one pixel circuit unit; the working procedures of the organic electroluminescence diode display panel comprise data writing procedures and the light emitting procedures; in the data writing procedure, the light emitting elements of the pixel circuit units connected with the m grid lines are powered off; in the light emitting procedure, the light emitting elements are powered on simultaneously. By adopting the organic electroluminescence diode display panel disclosed by the invention, requirements of VR display devices on display modes can be met, and the sensual experience can be improved.

The invention provides a pixel circuit, a driving method thereof, an OLED display panel and a display device. The pixel circuit includes transistors from the first transistor to the fourth transistor, a first capacitor, a second capacitor and a light emitting diode; a data current signal is inputted into the first electrode of the third transistor and the first electrode of the fourth transistor; a first voltage signal is inputted into the gates of the third transistor and the fourth transistor as well as one end of the first capacitor; and a second voltage signal is inputted into the gate of the first transistor. By means of the data current signal and the voltage signals provided by the pixel circuit, a voltage driving and current driving hybrid compensation mode is adopted to compensate the threshold voltage and migration rate of the driving transistors, and therefore, the problem of uneven display can be solved, and the display effect of a whole picture can be improved.

The invention discloses a pixel circuit, a driving method thereof and a display panel. The pixel circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a driving transistor, a first capacitor and an organic light-emitting element, the control end of the first transistor is electrically connected with the scanning signal input end of the pixel circuit; the first pole of the first capacitor is electrically connected with the control signal input end of the pixel circuit, and the second pole of the first capacitor is electrically connected with the control end of the driving transistor; the control end of the second transistor is electrically connected with the scanning signal input end; the control end of the third transistor is electrically connected with the light-emitting control signal input end of the pixel circuit; the first end of the fourth transistor is electrically connected with the second end of the driving transistor, the second end of the fourth transistor is electrically connected with the anode of the light-emitting element, the pixel circuit can reduce the number of transistors and the number of signal lines, then the areaof the pixel circuit is reduced, wiring is facilitated, and the pixel density is improved.

The invention provides a curved surface liquid crystal display screen, which comprises a liquid crystal display panel and a metal wire grid polarizer laminated on the liquid crystal display panel, wherein the liquid crystal display panel comprises a display surface which comprises a first display area and a second display area connected with the first display area, the radian of the first displayarea is larger than the radian of the second display area; the surface of the metal wire grid polarizer is provided with a plurality of wire grids which are spaced and are arranged in parallel, the metal wire grid polarizer comprises a first polarization region corresponding to the first display region and a second polarization region corresponding to the second display region, the wire gird dutyratio of the first polarization region is less than that of the second polarization region, wherein the wire gird duty ratio is a ratio of the width of a wire gird to the distance between two adjacentwire girds.

The embodiment of the invention discloses a display device. The display device comprises a first antireflection film and/or a second antireflection film. A plurality of moth-eye microstructures are arranged in the first antireflection film, and the tops of the moth-eye microstructures face the light emitting side of the display device; the first anti-reflection film is arranged in the middle region and the edge region; in the first antireflection film, the arrangement density of the moth-eye microstructures in the edge region is greater than that of the moth-eye microstructures in the middle region. The second anti-reflection film is arranged in the edge region, a plurality of moth-eye microstructures are arranged in the second anti-reflection film, and the tops of the moth-eye microstructures are against the light emitting side of the display device with back. According to the embodiment of the invention, the problem of non-uniform display caused by light leakage and the like around the display device and in the edge area is solved; and abnormal display generated in the edge area can be balanced by reasonably distributing the moth-eye microstructure arrangement density of the first antireflection film; and the light leakage of the edge area is absorbed through the second antireflection film, so that the brightness increase of the edge position caused by the light leakage is avoided.

The invention discloses a display panel, a display device and a manufacturing method of an array substrate. The display panel comprises: a substrate, an array layer, an anode, a pixel definition layer, a light-emitting layer and a cathode that are located on one side of the substrate and are sequentially arranged; and the pixel definition layer comprises a first opening exposing the anode; the light-emitting layer is at least partially arranged in the first opening; and the cathode comprises a first gap located in a non-first opening area. the display panel further comprises a first electric conductor covering the first gap. The resistivity of the first conductor is smaller than that of the cathode. The invention further provides a display device comprising the display panel structure and a manufacturing method of an array substrate which can be applied to the display panel. According to the invention, the difference between the magnitude of current transmitted to the center of the cathode driving signal and the magnitude of current transmitted to the edge of the cathode driving signal is small, so that the problem of uneven display caused by low brightness of the center area of the screen is solved, and the display panel has a better display effect.

The invention provides a pixel circuit and a driving method thereof, an OLED display panel and a display device. The pixel circuit comprises first to sixth transistors, a capacitor and an organic light emitting device, wherein the first transistor is used for providing a signal of a first voltage signal end to a first electrode of the second transistor, the third transistor is used for making a second electrode of the second transistor and an anode of the organic light emitting device realize conduction, the fourth transistor and the sixth transistor are used for storing a data signal of a data signal end and the threshold voltage of the second transistor to the capacitor to compensate the threshold voltage of the second transistor, and the second transistor is used for generating the driving current according to the data signal to drive the organic light emitting device to emit light. Through mutual cooperation of the transistors and the capacitor, the threshold voltage of the secondtransistor is compensated, the display effect of the whole frame is improved, the quantity of the utilized transistors is further reduced, and high-resolution display is facilitated.

The invention provides a display panel and a driving method thereof, and a display device. The display panel comprises a pixel circuit and a driving IC, wherein the pixel circuit comprises first to fifth transistors, a capacitor and an organic light emitting element. The threshold voltage of the second transistor is compensated through mutual cooperation of the transistors, the capacitor and the driving IC, the driving current for driving the organic light emitting element to emit light is independent of the threshold voltage of the second transistor, influence of the threshold voltage of thesecond transistor on the organic light emitting element is avoided, a problem of display unevenness caused thereby is solved, the display effect of the entire frame is improved, moreover, the number of the used transistors is reduced, and the display panel is conducive to high resolution display.

A liquid crystal display panel and its driving IC (10, 10', 10"), wherein the driving IC (10, 10', 10") includes: a signal generation module (11), which is used to generate a signal corresponding to each pixel column Data signal; a signal adjustment module (12), used to adjust each data signal according to the position of each pixel column on the array substrate, and input the adjusted data signal to the corresponding pixel column.