52results about How to "Improve the display effect of the screen" patented technology

The embodiment of the invention discloses picture regulating method and device of a liquid crystal panel, relating to the technical field of liquid crystal display and aims to increase picture display effect of the liquid crystal panel. The picture regulating method comprises the following steps of: selecting a test picture; regulating a blink value of the test picture to obtain a critical public reference voltage; obtaining a gray-scale picture; and regulating a gamma curve of the gray-scale picture to obtain a critical source electrode driver voltage. The invention can increase the picture display effect of the liquid crystal panel.

The invention provides a pixel driving circuit and a driving method thereof as well as a display device. The pixel driving circuit comprises a driving transistor, first to fourth switching tubes and a storage capacitor. The driving method comprises the following steps: charging the storage capacitor; discharging the storage capacitor in order to generate a voltage difference between the voltages at the two ends of the storage capacitor; changing the data voltage in order to generate the same changes of the voltages at the two ends of the storage capacitor as the data voltage; driving an organic light-emitting diode to emit light. By adopting the driving circuit and the driving method, compensation of the threshold voltage of driving voltage for driving a transistor is realized, the influence of the threshold voltage on the working current of the organic light-emitting diode is counteracted, the problem of non-uniform brightness of pixel points due to inconsistent threshold voltage for driving the transistor at different pixel points is solved completely, and the picture display effect of the display device is improved.

The embodiment of the invention discloses an array substrate, a display panel, and a display device. The array substrate comprises a display area, a display signal line, a first connecting line, a second connecting line and a dummy connecting line arranged in the display area, and a driving circuit arranged in a non-display area. The display signal line and the second connecting line both extend in a second direction and are arranged in a first direction. The first connecting line extends in the first direction and is arranged in the second direction. The display signal line is electrically connected with the driving circuit through the first connecting line and the second connecting line. At least one of two ends of the second connecting line extends to the non-display area. The dummy connecting line is located in a same straight line with the first connecting line or the second connecting line. At least one of two ends of the dummy connecting line extends to the non-display area. According to the array substrate provided by the embodiment of the invention, the problem of non-uniform display caused by uneven wiring of the first connecting line or the second connecting line can beavoided, so as to improve the display effect.

The invention discloses a shift register, a gate drive circuit, a display panel and a display device. The shift register comprises a second output module and a coupling module, and the two ends of thecoupling module are electrically connected with a third node and a second signal output end respectively. At the second stage, the potential of a fourth node is an enable potential, and the second output module transmits a high-potential signal of the first power supply signal input end to the second output end; at the third stage, the potential of the third node is an enable potential, and the second output module transmits a low-potential signal of the second power supply signal input end to the second output end, i.e., the signal of the second output end jumps from high to low, and at themoment, the low-potential signal of the second output end is coupled to the third node through the coupling effect of the coupling module, so that the potential of the third node is lower than that ofthe second stage, the low-potential signal of the second power supply signal input end has no transmission loss, the transistor controlled by the second signal output end can be completely turned off, and the leakage current loss is avoided.

The invention discloses a method for displaying a desktop background based on a borderless mobile phone. The method for displaying the desktop background based on the borderless mobile phone comprises the following steps of when the mobile phone enters a transparent background display mode, obtaining an environment image through a camera; according to the distance between the mobile phone and a shot object and the size of a display screen of the mobile phone, cropping the obtained image; amplifying the cropped image, so as to enable the size of the cropped image to be uniform with the size of the display screen of the mobile phone; displaying the amplified image as the desktop background on the display screen. The invention also discloses a device for displaying the desktop background based on the borderless mobile phone. The method and the device have the advantages that the picture display effect of the display screen of the mobile phone is improved, and the operation difficulty in change of the desktop background is decreased.

The invention discloses a power-on time sequence control method for liquid crystal display equipment and a television. The method comprises the following steps that: after the display equipment is switched on, a host system sends a backlight switch control signal of a positive pulse to a backlight control unit first before transmitting image data of a program to a logic control unit so as to drive a backlight lamp to start in advance for preheating, and then sends the backlight switch control signal for starting the backlight lamp formally to the backlight control unit according to a conventional time sequence so as to drive the backlight lamp to be lightened. Therefore, a starting process of the backlight lamp can be accelerated; the backlight lamp can reach a stable working state in advance before a display unit outputs a program image; the starting stability of a display picture is ensured; a picture display effect of a display terminal is improved; and the method is suitable to be popularized and applied in liquid crystal products such as liquid crystal televisions, liquid crystal displays or the like.

The invention provides an LED display system capable of eliminating a ghosting image on an LED display screen and an LED driving circuit. The LED driving circuit comprises a control logic unit and at least one column control circuit, wherein the column control circuit comprises an output driving unit, a ghosting image removing unit and a precharge switch. After a column driving control signal from the control logic unit jumps to be invalid, the output driving unit stops supplying driving current, and the output driving unit is detected by the ghosting image removing unit, so as to determine whether the output driving unit stops supplying the driving current; if the output driving unit stops supplying the driving current, a valid precharge control signal is output to control the precharge switch to be on so as to connect precharge reference voltage and a column wire; thus, the ghosting image of the LED display screen can be eliminated, and the LED driving circuit can be suitable for different driving currents.

The invention discloses a TFT-LCD (Thin Film Transistor-Liquid Crystal Display) drive circuit comprising a public electrode signal generating module and a compensating circuit, wherein the public electrode signal generating module is used for generating public electrode signals; the compensating circuit is connected with the public electrode signal generating module and an electrode which is arranged on a panel and is used for receiving the public electrode signals, the compensating circuit is used for compensating the voltage of the electrode used for receiving the public electrode signals so that the voltage of the electrodes for receiving the public electrode signals in different positions on the panel achieves respective target voltage. The TFT-LCD drive circuit can reduce TFT-LCD picture scintillation and residual direct-current components.

The invention relates to a screen display method and a device, belonging to the technical field of terminals. The method comprises the following steps: judging whether the screen satisfies the demurafunction opening condition; When it is determined that the screen satisfies the demura function opening condition, the demura function is turned on; Based on the demura function turned on, the brightness value of each pixel point in the picture to be displayed is compensated to obtain the actual brightness value of each pixel point. The picture to be displayed is displayed according to the actualbrightness value of each pixel point. When it is determined that the screen satisfies the demura function turning on condition, the demura function is turned on, and the brightness value of each pixelpoint is compensated, thereby improving the screen display effect. Since the demura function can be turned on selectively, the demura function is turned on only when the demura function needs to be turned on, so that the display effect is guaranteed, and the power consumption caused by turning on the demura function is reduced.

The present invention provides a picture processing method and a mobile terminal. The method comprises a step of obtaining the template information of a puzzle template if an operation instruction of adding the puzzle template to a target image inputted by a user is received, wherein the puzzle template comprises a frame and a physical background in the frame, the template information comprises the physical category of the physical background and the position information of the physical background, a step of determining a physical background which is to be processed and is not matched with the image type of the target image in the physical background of the puzzle template according to the physical category, a step of removing the physical background to be processed according to the position information of the physical background to be processed. Since whether the physical background is matched with the target image is judged, the physical background which is not matched is determined as the physical background to be processed, then the physical background to be processed is removed, thus the coordination of the target image and the puzzle template is improved, and the image display effect after adding the puzzle template to the image is improved.

The invention provides an array substrate, a display panel and a manufacturing method of the array substrate. The array substrate is provided with a display area and an under-screen camera area, and comprises a substrate, a driving circuit layer, a flat layer, a common electrode layer, an insulating layer and a pixel electrode layer which are sequentially arranged in a stacked mode from bottom totop, wherein the flat layer is provided with a groove in the under-screen camera area. The display panel comprises the array substrate. According to the invention, the groove is formed in the flat layer in the under-screen camera area, so that the thickness of the liquid crystal layer of the display panel in the under-screen camera area at the position corresponding to the groove is increased, thus the thickness of the liquid crystal layer is increased to about five microns from about three microns in the past, the optical path of light passing through the liquid crystal layer is increased, the scattering effect of the light is improved, the haze of the liquid crystal layer is increased, the technical problem of low haze of the under-screen camera area is solved, the contrast ratio of theunder-screen camera area is improved, and the image display effect is enhanced.

The embodiment of the invention discloses a brightness adjusting method, device and system of a display panel. The brightness adjusting method of the display panel comprises the following steps: acquiring a first driving current value when the display panel displays preset brightness and preset chromaticity by adopting a first picture refresh frequency; obtaining first actual display brightness, first actual display chromaticity and a second driving current value when the display panel displays the preset brightness and the preset chromaticity at a second picture refresh frequency; and according to the first difference value between the first actual display brightness and the preset brightness, the second difference value between the first actual display chromaticity and the preset chromaticity, and the third difference value between the second driving current value and the first driving current value, determining a display driving signal when the display panel displays the preset brightness and the preset chromaticity at a second picture refresh frequency. According to the embodiment of the invention, the brightness difference during switching between different picture refresh frequencies is reduced, and the picture display effect of the display panel is improved.

The invention discloses a driving method of a display panel and a display device, and relates to the technical field of display. The display panel comprises a plurality of pixel units; the driving method comprises the steps of driving the display panel to be lightened, obtaining a time interval D1 between previous screen turn-off and current lightening of the display panel, and comparing the D1 with a preset time D2; when D1 is greater than D2, driving the pixel units in a compensation mode, wherein the compensation mode comprises the steps that in a preset period, a first driving signal is adopted to drive a pixel unit, the first driving signal comprises a first data voltage and a first light-emitting control signal, the effective pulse signal duty ratio of the first light-emitting control signal is 0-effective compensation duty ratio, and the preset period comprises at least one frame; and when D1 is smaller than or equal to D2, driving the pixel units in a normal mode. By adjusting the voltage value of the first data voltage received by the pixel unit, the duty ratio of the effective pulse signal is reduced, the ghost shadow generated when the display panel is lightened is eliminated, and it is guaranteed that the image display is the target light-emitting brightness.

The invention provides a liquid crystal lens, a manufacturing method thereof and a liquid crystal display including the liquid crystal lens. An electric heating material layer which is arranged on a first substrate or a second substrate of the liquid crystal lens is used for heating the liquid crystal located between the first substrate and the second substrate, so that the rotary viscosity of the liquid crystal can be reduced, the response time of the liquid crystal in the liquid crystal lens can be reduced, the image display is smoother and the image display effect of the liquid crystal display including the liquid crystal lens is promoted.

The invention discloses a reflective device, a pixel unit, a display device and a manufacturing method of the display device. The reflective device comprises a reflective layer, an interference layerand a nanopore column array layer which are sequentially laminated, the reflective layer is arranged at the side, away from a light emitting side, of the reflective device, the interference layer is used for making incident light and reflected light reflected by the reflective layer interfere each other, and therefore a preset color is reflected on the reflective device. The reflective device hasextremely high resonance reflectivity, ambient light is fully utilized, the color gamut, brightness and viewing angle of the total-reflection display device can be significantly increased, and therefore the picture display effect of the display device is improved.

The invention relates to the technical field of LED display, and particularly discloses an LED display screen contrast improving method and an LED display screen. The method comprises the following steps: dividing the LED display screen into a plurality of unit blocks with m * m lamp points according to a preset lamp point dividing strategy; obtaining a gray input value of one frame of image; according to a preset gray scale expansion strategy and a preset gray scale expansion multiple N in the strategy, defining the lamp point as P, wherein the lamp point P comprises an integer part Pi and a decimal part Pj; and selecting and displaying lamp points in the unit blocks, and the like. According to the method for improving the contrast ratio of the LED display screen and the LED display screen, the effect that only part of lamp points of each frame of image are lightened is achieved, so that the contrast ratio of picture display is improved, color bar transition of a displayed picture is more uniform and fine, the situation of low-gray-scale gray jumping is repaired. The problems that the color bar of the LED display screen is excessively poor, the LED display screen shakes and jumps gray are effectively solved, and the picture display effect of the LED display screen is improved.

The invention discloses a video media AI robot server. The server comprises a placement frame, a display screen, a protection cover, a video acquisition module and a frame, the outer surface of the frame is fixedly connected with a connecting block; a threaded hole is formed in one side of the connecting block; the inner surface of the threaded hole is in threaded connection with a screw; connecting grooves are formed in the two sides of the inner surface of the frame; first clamping grooves are formed in the inner surface of the frame and located in the upper side and the lower side of the connecting groove. long-strip plates matched with the connecting grooves are fixedly connected to the two sides of the display screen, the outer surfaces of the long-strip plates are connected with theinner surfaces of the connecting grooves in a clamped mode, and fixing frames are fixedly connected to the positions, located on the upper sides and the lower sides of the long-strip plates, of the two sides of the display screen. According to the video media server, the frame can be conveniently fixed to the wall through cooperation of the threaded holes and the screws, then the display screen can be conveniently clamped to the inner surface of the frame through cooperation of the first clamping grooves, the connecting groove long-strip plates and the first clamping blocks, and disassembly isconvenient.

The invention provides an array substrate and a display device. The array substrate includes a substrate, a thin film transistor structure layer and a light emitting layer. The thin film transistor structure layer is arranged on the substrate, and the thin film transistor structure layer has a number of wires. The light emitting layer is arranged on the thin film transistor structure layer, and the light emitting layer has a number of light emitting units. The projection of the wires on the substrate avoids the projection of the light emitting unit on the substrate.

The embodiment of the invention discloses a display panel and a display device. The display panel comprises a display area and a non-display area, the display area comprises display scanning lines, display data lines, touch scanning lines, touch data lines, touch electrodes and touch switches, and each touch scanning line is electrically connected with the control ends of the touch switches corresponding to the touch electrodes in the same row; at least one touch control data line is electrically connected with input ends of a plurality of touch control switches corresponding to the same column of touch control electrodes; the output end of the touch switch is electrically connected with the touch electrode; In the plurality of touch switches and the plurality of display scanning lines corresponding to the same row of touch electrodes, the distances between the touch control ends of at least two touch switches and the same display scanning line are different; and / or in the plurality oftouch switches and the plurality of display data lines corresponding to the same column of touch electrodes, the distances between the touch signal input ends of at least two touch switches and the same display data line are different. Therefore, on the premise that the narrow frame is ensured, the picture display effect can be improved.

The invention discloses an IMS video telephone based on a naked-eye 3D technology. The IMS video telephone based on the naked-eye 3D technology comprises a multimedia application processor unit, a video analogue signal processing unit, an audio analogue signal processing unit, a user input unit, a wireless interface module and an Ethernet interface module. The multimedia application processor unit is used for initiating a call request from a network interface to an IMS SIP server through an IMS SIP protocol and carrying out audio data transmission and video data transmission through the audio analogue signal processing unit and the video analogue signal processing unit after establishing communication with an opposite terminal. A 2D-to-3D video conversion module is used for converting 2D images at the opposite terminal and a home terminal to 3D images and displaying the 3D images on a 3D display screen. Through the utilization of the IMS video telephone based on the naked-eye 3D technology, the ternary integration of differentiation services such as voices, data and videos based on an IMS is achieved, the service quality of communication services and multimedia services is improved through an audio and video hardware encoding and decoding method, and the user experience of the multimedia services is improved through a 2D-to-3D video conversion technology and the naked-eye 3D display technology.

The embodiment of the invention provides a video media server, and relates to the technical field of display control. The video media server is used for video display control over an electronic display screen and comprises a display card, a CPU, a storage unit, an internal storage and a synchronous module card. The display card is connected with the synchronous module card which is connected with the CPU, the storage unit and the internal storage are connected with the CPU, and the display card is used for being connected with the electronic display screen. According to the video media server, through the synchronous module card, a plurality of electronic display sub-screens forming the whole electronic display screen jointly display video pictures consistently, and the problem that the displayed picture of an existing electronic display screen falls apart is solved.

The present invention provides a pixel driving circuit, a driving method thereof, and a display device, wherein the pixel driving circuit includes: a driving transistor, first to fourth switching transistors, and a storage capacitor. The driving method includes: charging the storage capacitor; discharging the storage capacitor so that the voltage at both ends of the storage capacitor has a voltage difference; changing the data voltage so that the voltage at both ends of the storage capacitor has the same change as the data voltage; driving the organic light emitting diode to emit light. The above driving circuit and driving method realize the compensation of the threshold voltage of the driving voltage of the driving transistor, thereby offsetting the influence of the threshold voltage on the operating current of the organic light-emitting diode, and completely solving the problem of inconsistency of the threshold voltage of the driving transistor of different pixels. The problem of uneven brightness improves the image display effect of the display device.