40results about How to "Improve screen display quality" patented technology

The invention discloses a flexible display device and a manufacturing method thereof and relates to the field of display. The manufacturing method is simple and can realize flexible display. In addition, the high-quality display picture can be obtained without a threshold voltage compensation circuit and an external driving integrated circuit. The method comprises the following steps: bonding a monocrystalline silicon diaphragm on a substrate, forming a driving circuit and an electroluminescence device on the substrate bonded with the monocrystalline silicon diaphragm, and packaging on the electroluminescence device with a transparent flexible cover plate, wherein the monocrystalline silicon diaphragm forms an active layer of a thin film transistor in the driving circuit; the thin film transistor comprises a first thin film transistor arranged in the display area of the flexible display device; the monocrystalline silicon outside the thin film transistor is removed from the monocrystalline silicon diaphragm; and the monocrystalline silicon diaphragm is sealed with the flexible diaphragm. The invention further provides a flexible display device manufactured by the method. Compared with the existing device, the flexible display device has the advantages of uniform brightness, simple structure and higher resolution.

The invention provides a TFT array substrate structure and a manufacturing method thereof. The TFT array substrate structure is provided with a plurality of transverse common electrode wires (17) and a plurality of longitudinal common electrode wires (43), the transverse common electrode wires (17) correspond to each row of common electrodes (15) and are used for being connected with the common electrodes (15) in rows, the longitudinal common electrode wires (43) correspond to each line of common electrodes (15) and are used for being connected with the common electrodes (15) in lines, and the transverse common electrode wires (17) and the longitudinal common electrode wires (43) are interwoven to be in a net shape. Common voltages can be distributed more evenly in a liquid crystal display panel, and the image display quality of the liquid crystal display panel can be improved.

The invention discloses a gate driving circuit of a display, which is characterized in that at least one transistor is connected between a transistor providing a high potential node and a reference voltage signal input end in series, and a preset high potential is provided between the transistor that is connected to the node and an input end of the at least one transistor. For example, the drive voltage of a gate line corresponding to the gate is fed into the input end, and the preset high potential provided can reduce the potential difference between the source and the drain of the transistor, so that current leakage of the transistor can be reduced, and the stability of the drive voltage of the gate electrode driving circuit is further improved so as to improve the reliability of the gate electrode driving circuit.

In a management system and a method for unifying LED light color, light colors are projected from a plurality of display units, and each display unit has at least one LED having a color coordinate and a brightness value. The system and method read the color coordinate and the brightness value and compare the color coordinate and the brightness value with a predetermined color coordinate and a predetermined brightness value respectively to produce a coordinate variation value of each LED to correct a duty ratio of a PWM signal of the display unit, so as to adjust a driving current of each LED and move the color coordinate to a position corresponding to the predetermined color coordinate. Therefore, each LED can show the same primary colors through a software calibration without having any chromatic aberration of mixed lights, so as to improve the display effect.

A liquid crystal display (LCD) device having a first substrate and a second substrate with liquid crystal sealed therebetween, includes a plurality of gate lines and data lines crossing each other on the first substrate; a gate driving section for driving the gate lines; a source driving section for precharging the data lines for a first time and supplying video signals to the data lines; and a precharge circuit section for precharging the data lines for a second time.

The invention relate to the technical field of liquid crystal display, and discloses an ADS array substrate, a manufacturing method thereof and a display device comprising the same. The ADS array substrate comprises a pixel electrode and a common electrode. A metal line is arranged between at least two adjacent sub pixel areas, and the metal line is connected with the common electrode in parallel, so that the resistance of the common electrode is reduced, the coupling capacitance of the common electrode can be reduced, the problems of level drifting and signal distortion of the common electrode are solved, and the phenomenon of picture yellow discolouration is greatly reduced. The display device comprises the ADS array substrate. The display quality of the pictures is improved.

The invention discloses a gate driving circuit of a display, wherein at least one transistor is connected in series between a transistor connected with a node providing a high potential and a reference voltage signal input end, so that voltage load between the source electrode and the drain electrode of the transistor connected with the node is shared by the at least one transistor, thereby reducing the situation of current leakage of the transistor, improving the stability of the driving voltage of the gate driving circuit, and further promoting the reliability of the gate driving circuit.

The invention provides a shift register unit and a control method thereof, a gate drive circuit and a display device. According to the invention, the shift output function of the shift register unit is realized; the high-level output of the shift register unit does not change along with the change of the signal; the stable output of the high level of the shift register is ensured; the phenomenon of transistor electric leakage increase caused by process fluctuation and / or screen body temperature rise is eliminated; the problem of abnormal transistor output caused by increase of transistor electric leakage is solved; according to the shift register, the output stability of the shift register is improved, the problem of splash screen of the display device due to abnormal output of the transistor is avoided, the image display quality of the display device is improved, the actual requirement of a high-quality visual effect is met, and better visual experience is provided for a user.

A gate electrode driving circuit of a display device. Utilized is at least one transistor (T33) serial-connected between a transistor (T31) connected to a node (Q1) providing a high potential and a reference voltage signal input end (Vss), while a voltage load between a source electrode and a drain electrode of the transistor (T31) connected to the node (Q1) is apportioned to the at least one transistor (T33). This reduces the occurrence of current leakage on the transistor (T31), thus increasing the stability of the driving voltage of the gate electrode driving circuit, thereby improving the reliability of the gate electrode driving circuit.

The embodiment of the invention discloses a liquid crystal display device and a common voltage compensation method thereof, and belongs to the technical field of display. The common voltage compensation method comprises the steps that m transverse lines and n vertical lines are simulated in the display area of a liquid crystal display panel; common voltage of the m transverse lines is simulated, and gate and source electrode parasitic capacitance of the corresponding m transverse lines is obtained according to the simulated common voltage of the corresponding m transverse lines; the compensation capacitance value of the corresponding m transverse lines is obtained according to the calculated gate and source electrode parasitic capacitance of the corresponding m transverse lines; the common voltage of the corresponding m transverse lines is calculated again; and whether the difference value between the common voltage of the adjacent transverse lines is less than a standard value is judged, and the gate and source electrode parasitic capacitance of the liquid crystal display device is compensated according to the compensation capacitance value of the corresponding m transverse lines if the judgment result is yes so that the common voltage along the direction of the m transverse lines is enabled to be uniform in distribution. The common voltage along the direction of the m transverse lines is enabled to be uniform in distribution so that frame display quality is enhanced.

The invention provides a screen resolution adjusting method, which is applied to image display of a display device and comprises the following steps of: providing a layout menu by the display device to obtain a screen layout configuration consisting of a plurality of display layouts; the display device performs resolution parameter setting for each display layout according to the screen layout configuration and a screen native resolution parameter of the display device. The display device sets and modifies an original product identification code and a screen native resolution parameter of the display device according to each resolution parameter to generate an updated product identification code and a plurality of updated resolution parameters, and each image source reads the updated product identification code and the corresponding updated resolution parameter. And the corresponding transmission port outputs the image conforming to the updated resolution parameter to the corresponding display layout for display.

The invention discloses a display substrate, a manufacturing method thereof, and a display device, and relates to the field of display technology, and aims to solve the problem that the picture display quality of the display device is lowered due to uneven cell thickness of the display substrate. The display substrate includes a first substrate and a second substrate oppositely arranged, the first substrate includes a first area and a second area, and the total thickness of the functional layers located in the first area on the first substrate is greater than that located in the second area. The total thickness of the functional layer is thin; a thickness compensation layer is provided between the first substrate and the second substrate, the thickness compensation layer corresponds to the first area, and the total thickness of the thickness compensation layer and the functional layer in the first area is the same as that of the second area The total thickness of the inner functional layer is equal. In the present invention, a thickness compensation layer corresponding to the first region is arranged between the first substrate and the second substrate, so that the cell thickness of each region of the display substrate is uniform, so as to improve the image display quality of the display device.

The embodiment of the invention relates to a method for improving liquid crystal display image sticking and a liquid crystal display driving device. The method for improving the liquid crystal display image sticking comprises the following steps: judging whether a first image in refresh display on a liquid crystal display within a preset time changes or not; and if not, controlling a second imageto be in refresh display on the liquid crystal display after the preset time so as to improve the image sticking caused by the long-term refresh display of the first image. As for the method and the device provided by the embodiment of the invention, the residual direct current voltage of the first image after long-term display can be reduced by inserting to display the second image opposite to the first image after the first image is displayed for a long term, thus improving the image sticking in liquid crystal display and enhancing the image display quality of the liquid crystal display.