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69results about How to "Improve picture display quality" patented technology

Liquid crystal display panel and manufacturing method thereof

The invention discloses a liquid crystal display panel which comprises a colored film substrate, an array substrate and a conductive frame glue, wherein the conductive frame glue is used for adhering the colored film substrate and the array substrate; the conductive frame glue contains a sealant material and conductive particles; the conductive particles are composed of organic resin ball cores and carbon nanometer tubes or graphene conductive coatings; the conductive coatings are wrapped outside the organic resin ball cores; and the conductive particles are uniformly distributed in the sealant material. The invention also discloses a manufacturing method of the liquid crystal display panel.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Current mirror type TFT-OLED display image element unit circuit and its production method

The present invention discloses a current mirror type TFT-OLED display pixel unit circuit, which comprises four polysilicon TFT tubes T1, T2, T3 and T4, an organic light emitting diode (OLED) and a capacitor Cs, wherein, the tubes T3 and T4 are completely symmetrical and form a current mirror; the tubes T1 and T2 serve as switch tubes, and line scanning signals are put in the grids of the tubes T1 and T2 to control the on-off of data current; the capacitor Cs is used for storing display data in a voltage mode, and the voltage on both ends of the capacitor Cs is loaded to the grid of the tube T4 to drive OLED to emit light; and the polysilicon TFT tubes T1, T2, T3 and T4 are all P channel devices. The present invention also provides a preparation method for transversal crystallization or laser crystallization of a mirror image TFT tube with high quality. The current mirror type TFT-OLED display pixel unit circuit and the method of the invention can enhance the consistency and precision of device properties of the TFT tube which forms mirror image current and can improve the image response speed, the image gray level and the picture display quality of an OLED screen.
Owner:NANKAI UNIV

Apparatus and method data-driving for liquid crystal display device

A data-driving a liquid crystal display includes a first multiplexer array for alternately changing a supplying sequence of time-divided pixel data and time-divided pixel data, a second multiplexer array for alternately outputting the time-divided pixel data with an unshifted output channel of the time-divided pixel data and outputting the time-divided pixel data shifted to the right side by one channel in response to a control signal, a digital-to-analog converter array converting the time-divided pixel data into analog pixel signals having a polarity opposite to the pixel data of adjacent channels, a third multiplexer array for alternately outputting the pixel signals with an unshifted output channel of the pixel signals and outputting the pixel signals shifted to the left side by one channel in response to the control signal, and a demultiplexer array for alternately changing a supplying sequence of the time-divided pixel signals for each horizontal period and each frame.
Owner:LG DISPLAY CO LTD

Display and driving method thereof, and display device

The invention provides a display, which relates to the field of displaying and can be used for improving the picture display quality. A liquid crystal display comprises a substrate, grid lines, data lines, pixel units, a source driver integrated circuit and a gate driver integrated circuit, wherein thin film transistors and pixel electrodes are arranged in the pixel units; each data line is partitioned into a first data line part and a second data line part from the middle part; the quantity of pixel units defined by the first data line part is the same as the quantity of pixel units defined by the second data line part; the source driver integrated circuit is used for providing data signals for the first data line part and the second data line part respectively, and transmitting to corresponding pixel electrodes; and the gate driver integrated circuit is used for providing scanning signals for the grid lines which correspond to the first data line part and the grid lines which correspond to the second data line part respectively.
Owner:BOE TECH GRP CO LTD +1

Electronic device, and assembly method and bonding structure of cover plate of electronic device

The invention relates to an electronic device, and an assembly method and a bonding structure of a cover plate of the electronic device. The assembly method comprises the following steps: providing a first colloid, and arranging the first colloid on a matrix, wherein the first colloid is provided with a middle zone and a peripheral zone arranged on the edge of the middle zone; providing a shading layer, and arranging the shading layer on the peripheral zone of the first colloid; providing the cover plate, and arranging the cover plate on the shading layer and the first colloid. Through the application of the assembly method, the shading layer can shade an edge zone of the matrix.
Owner:INTERFACE OPTOELECTRONICS SHENZHEN +1

GIP circuit high supply voltage real-time monitoring and regulating circuit

The invention provides a GIP circuit high supply voltage real-time monitoring and regulating circuit. The circuit comprises a signal generation module, a signal sampling module, a logical judgment module, a signal processing module and a high supply voltage regulating module, wherein a target TFT is determined through the signal generation module, the grid voltage, the source voltage and the drain voltage of the target TFT are acquired through the signal sampling module, the logical judgment module judges whether the target TFT works in a saturated area according to the acquired voltage, the signal processing module determines whether to regulate high supply voltage, and then the high supply voltage regulating module regulates high supply voltage. Real-time monitoring and correction of high supply voltage are achieved, it is guaranteed that high supply voltage is within a reasonable value range all the time, abnormal phenomena such as flickering and fluctuation are reduced, and then the image display quality of an AMOLED display screen is improved.
Owner:KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD

Curved surface display panel and display device

The embodiment of the invention discloses a curved surface display panel and a display device. The curved surface display panel comprises an array substrate, an opposite substrate and a plurality of floating spacers positioned in a non-display region; a height of each floating spacer is smaller than a box thickness between the array substrate and the opposite substrate; at a position of at least one floating spacer at side edges adjacent to bent side edges of the array substrate and the opposite substrate, a frame sealing glue structure positioned between the array substrate and the opposite substrate is cushioned; the sum of a thickness of the frame sealing glue structure and a thickness of the floating spacer in contact with the frame sealing glue structure is equal to the box thickness. Therefore, a stress of the array substrate and the opposite substrate, which is generated due to resistance to acting forces of the floating spacers and the frame sealing glue structure, is increased, and part of a stress generated due to bending can be balanced out, so that a combined stress is reduced and deflection of an optical axis is reduced, thereby reducing dark-state light leakage and improving image display quantity of the curved surface display panel.
Owner:BOE TECH GRP CO LTD

Display data compensation method, display data compensation device and display device

The invention provides a display data compensation method, a display data compensation device and a display device, and the method comprises the steps: inputting test display data to sub-pixels in a frame idle stage; acquiring actual sensing data sensed from the sub-pixels after a preset charging duration; determining temperature change values of the sub-pixels according to the test display data,the actual sensing data and pre-stored compensation reference data; calculating a threshold voltage compensation value and a migration rate compensation value according to the temperature change valueof the sub-pixel and the pre-stored threshold voltage and migration rate change quantity of the driving transistor of the sub-pixel along with the temperature; and at the frame display stage, according to the threshold voltage compensation value and the mobility compensation value, compensating display data to be output to the sub-pixels. According to the invention, in actual display of the display device, the influence of temperature change on the mobility and the threshold voltage is considered, so that a relatively accurate mobility compensation value and a relatively accurate threshold voltage compensation value are obtained, and the image display quality of the display device is improved.
Owner:BOE TECH GRP CO LTD

Array substrate and manufacturing method thereof and display panel

The invention provides an array substrate and a manufacturing method thereof and a display panel, aiming to solve the problem of bad displaying in the prior art due to data line disconnection and further improving display effect of a liquid crystal display device. The array substrate comprises a lining substrate, a grid scanning line, a grid insulating layer, an active layer, data lines, a passivation layer, a pixel electrode, connecting lines and bridge connection structures. The connecting lines and the bridge connection structures correspond with each data line. The bridge connection structures are disposed above the passivation layer and arranged on the same layer with the pixel electrode. Each of the connecting lines is disposed above the lining substrate, and is connected with the data lines through the bridge connection structures in an LED (light-emitting diode) area and an area below combined substrate cutting lines.
Owner:BOE TECH GRP CO LTD +1

Display baseplate, manufacturing method thereof and display device

The invention discloses a display baseplate, a manufacturing method thereof and a display device and relates to the technical field of display. The display baseplate is used for improving image display quality of the display device. The display baseplate comprises a substrate baseplate and a graphic black matrix, the substrate baseplate is provided with a groove, the black matrix is positioned in the groove, and the surface, corresponding to an opening the groove, of the black matrix is flush with the surface of a plane where the opening of the groove in the substrate baseplate is positioned. In the display baseplate, the substrate baseplate is provided with the groove, the black matrix is positioned in the groove, and the surface, corresponding to the opening the groove, of the black matrix is flush with the surface of the plane where the opening of the groove in the substrate baseplate is positioned, so that section difference of areas in functional coatings formed in subsequent processes is small, section difference among the functional coatings corresponding to different pixels, and image display quality of the display device can be improved. The display baseplate is applied in the display device.
Owner:BOE TECH GRP CO LTD +1

COA substrate, liquid crystal display panel and liquid crystal display device

The invention provides a COA substrate. The COA substrate comprises a substrate body, a metal layer, a thin film transistor, a colored light filter, a transparent electrode and a liner, wherein a plurality of through holes are formed in the colored light filter, and the liner is arranged in the area corresponding to the through holes in the colored light filter. The invention further provides a liquid crystal display panel and a liquid crystal display device. By arranging the liner in the area corresponding to the through holes, appearance of vacuum bubbles in a liquid crystal layer can be well avoided, so that the image display quality of the liquid crystal display panel is improved.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Mask set, thin film transistor, manufacturing method of thin film transistor, array substrate and display device

ActiveCN103715095AIncreased size valueThe size value is larger than the width value of the source electrode in the prior art to increaseTransistorSolid-state devicesDisplay deviceTransmittance
The invention relates to the technical field of displaying, in particular to a mask set, a thin film transistor, a manufacturing method of the thin film transistor, an array substrate and a display device in order to solve the problem that a display screen of a display device is low in luminance. According to the thin film transistor, the maximum size value of an overlapping area of an active layer and a drain electrode of the thin film transistor in the direction parallel with a data line is smaller than the size value of one side overlapped with the data line in an overlapping area of the active layer and a source electrode, wherein the source electrode is a data line part located in the overlapping area of the active layer and the data line. According to the embodiment, an opening area of a pixel unit is enlarged, the light transmittance is improved, and the luminance of a display screen of the display device comprising the pixel units becomes higher. The problem that the picture flickers is avoided to a certain extent, and the picture display quality is improved.
Owner:BEIJING BOE OPTOELECTRONCIS TECH CO LTD

Flat panel display device with backlight electricity-saving mechanism

The invention relates to a flat panel display device with a backlight electricity-saving mechanism, which comprises a time sequence controller, a pixel array unit, an image brightness analysis unit, a backlight driving unit and a gamma voltage providing unit, wherein the time sequence controller is used for converting an image input signal into a sequence signal; the pixel array unit displays an image according to the sequence signal; the image brightness analysis unit analyzes the sequence signal to generate an image brightness signal corresponding to the image; the backlight driving unit adjusts backlight intensity according to the image brightness signal to save electricity; and the gamma voltage providing unit adjusts gamma voltage required for displaying the image according to the image brightness signal, wherein the gamma voltage is used for being matched with the adjusted backlight intensity to maintain the display contrast of the image.
Owner:TOP VICTORY INVESTMENTS

Transparent display device and control method thereof

The invention discloses a transparent display device and a control method thereof, relating to the technical field of display, for improving the image display quality of the transparent display device. The transparent display device comprises at least two transparent display modules, at least two color sensors and a controller, wherein the at least two color sensors are used for detecting backlight spectral signals and luminance signals received by the at least two transparent display modules; the controller is in signal connection with the at least two color sensors, obtains corresponding image signal processing parameters when the at least two transparent display modules are subjected to image signal conditioning according to the backlight spectral signals and luminance signals received by the at least two transparent display modules and detected by the color sensors, and regulates the image signals of the transparent display modules according to the image signal processing parameters. According to the transparent display device, through the matched use of the color sensors and the controller, the image signals of one transparent display module are matched with those of the other transparent display modules, so that the image display quality of the transparent display device is improved.
Owner:BOE TECH GRP CO LTD

Pixel circuit, drive method of pixel circuit, display device and display method

InactiveCN102708781AEliminate display time differencesSolve problemsStatic indicating devicesControl signalComputer module
The invention provides a pixel circuit, a drive method of the pixel circuit, a display device and a display method, which can eliminate the display time difference between the first grid line and the last grid line so that a complete frame of picture can be displayed at the same time from the first grid line to the last grid line. Each pixel unit of the pixel circuit comprises a data line, a charging grid line, a public electrode wire, a caching module, a pixel circuit module and a public grid line. The caching module is connected with the charging grid line, the charging grid line provides a control signal, the input end of the caching module is connected with the data line, the caching module is connected with the public electrode wire, the output end of the caching module is connected with the input end of the pixel circuit module, the pixel circuit module is connected with the public grid line, and the pixel circuit module is connected with the public electrode wire.
Owner:BOE TECH GRP CO LTD

Row driving circuit, display device and row driving method

The invention discloses a row driving circuit which comprises a plurality of cascaded driving units, and each driving unit comprises a pull-up control module, a pull-up module, a download module, a pull-down module, a pull-down maintaining module and a bootstrap capacitor. The pull-up module, the pull-down maintaining module, the pull-down maintaining module and the bootstrap capacitor are respectively connected with a first potential point and the scanning signal output end of the grid line of the level. The pull-up control module and the download circuit are respectively connected with the first potential point; wherein the pull-down maintaining module is used for receiving the second clock signal so as to maintain the potential signal of the first potential point and the grid line scanning signal of the stage in a low potential state, and the frequency of the second clock signal is twice or more than twice of the frequency of the clock signal of the stage. The invention further discloses a display device and a row driving method. The influence of the signal-to-noise ratio on the circuit can be effectively reduced, and the stability of the circuit is improved.
Owner:KUSN INFOVISION OPTOELECTRONICS

Display panel

The invention provides a display panel. The display panel comprises a grid driver, multiple scanning lines and multiple thin film transistors. The scanning lines are connected with the grid driver, and the thin film transistors are connected to the scanning lines respectively. The grid of each thin film transistor is connected with the corresponding scanning line. The drain electrodes of the thin film transistors are provided with overlapping portions overlapped with the grids in the vertical direction. The area of the overlapping portions in the horizontal direction is evenly and gradually increased from the position close the grid driver to the position far away from the grid driver. According to the display panel, the area of the overlapping portions, overlapped with the grids, of the drain electrodes is changed by changing the area of the drain electrodes of the thin film transistors in the horizontal direction so as to evenly compensate for signal waveforms of pixel units, and accordingly the image display quality of the display panel is improved.
Owner:CENTURY DISPLAY (SHENZHEN) CO LTD

Through-hole manufacturing method, display substrate manufacturing method, and display substrate

The invention discloses a through-hole manufacturing method, a display substrate manufacturing method and a display substrate, which relate to the display manufacturing technology field and aim to solve the problem with the decrease in the quality of the image displaying of a display device caused by the poor connection between the pixel electrode and the drain electrode. The through-hole manufacturing method comprises the following steps: forming a passivation protection layer on a source and drain layer; forming a first through hole on the passivation protection layer at the position corresponding to the source and drain electrode layer of the source and drain layers; forming an organic insulation layer on the passivation protection layer; and forming a second through hole on the organic insulation layer at the position corresponding to the first through hole wherein the drain electrode is exposed by the second through hole and the diameter of the second through hole is smaller than that of the first through hole. With the through hole manufacturing method to form the second through hole, the hole walls of the second through hole all correspond to the organic insulation layer; and the connection between the pixel electrode and the drain electrode through the second through hole is not subjected to disconnection so that the pixel electrode and the drain electrode could be connected well and that the quality of image displaying of a display device is improved.
Owner:BOE TECH GRP CO LTD +1

Display panel and display device

The invention discloses a display panel and a display device. The display panel comprises a substrate and a plurality of arrayed pixel units, wherein each pixel unit comprises a pixel electrode, a first switch and a second switch; the pixel electrode of each pixel unit is electrically connected with a corresponding data line of the pixel unit through the corresponding first switch and electricallyconnected with a co-electrode line through the corresponding second switch; a switch control terminal of the first switch of the 2m-1th pixel unit is electrically connected with a 2nth scanning line,a switch control terminal of the first switch of the 2mth pixel unit is electrically connected with a 2n+1th scanning line, a switch control terminal of the second switch of the 2m-1th pixel unit iselectrically connected with a 2n-1th scanning line, a switch control terminal of the second switch of the 2mth pixel unit is electrically connected with a 2nth scanning line, wherein m and n are positive integers larger than or equal to 1. By means of the display panel and the display device in the technical scheme of the embodiment, the charging rate of the pixel units is increased, and thereforethe image displaying quality of the display panel is improved.
Owner:HKC CORP LTD +1

Backlight module and liquid crystal display

The invention discloses a backlight module, which comprises a light guide plate, a light source and a mirror reflection part. The light guide plate consists of a lateral incident surface, an emergent surface and a bottom surface, the emergent surface is connected with the lateral incident surface, and the bottom surface corresponds to the emergent surface; the light source consists of a luminous surface, the light source is disposed on one side of the lateral incident surface of the light guide plate, the luminous surface of the light source corresponds to the lateral incident surface of the light guide plate, and the mirror reflection part is arranged between the luminous surface of the light source and the lateral incident surface of the light guide plate; and light rays which are transmitted from the luminous surface of the light source to the outside of the light guide plate enter the light guide plate after being in mirror reflection by the mirror reflection part. The invention further discloses a liquid crystal display.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Backlight module and display device

The invention discloses a backlight module and a display device. The backlight module comprises PCB fixedly provided with backlight sources and reflection sheets attached to the inner board surfaces of the PCB, wherein through holes for the backlight sources to penetrate through are formed in the reflection sheets, and reflection layers for reflecting light are arranged in gap regions, between the outer edges of the backlight sources and the edges of the through holes, of the PCB. By the adoption of the technical scheme, the utilization rate of the backlight sources and the uniformity of backlight brightness of the display device can be improved, and accordingly the display quality of the display device is improved.
Owner:SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD

Display processing equipment and multi-screen display system

The invention provides display processing equipment and a multi-screen display system applying the same. The display processing equipment comprises a plurality of processing modules, a clock module and a plurality of frequency multiplication modules, wherein the clock module is connected with frequency multiplication modules respectively; each frequency multiplication module is in one-to-one connection with each processing module; the clock module is used for acquiring a synchronous clock and outputting the synchronous clock to each frequency multiplication module; the frequency multiplication modules are used for performing frequency multiplication on the synchronous clock respectively and transmitting the synchronous clock to each processing module; and the processing modules are used for receiving clock signals output by the corresponding frequency multiplication modules and performing image processing according to the clock signals. The multi-screen display system consisting of the display processing equipment provided by the invention has the advantages of higher image display synchronicity and higher image display quality.
Owner:GUANGDONG VTRON TECH CO LTD

Array substrate and curved surface dispLay screen

The embodiment of the invention discLoses an array substrate appLied to a curved surface dispLay screen. The curve surface dispLay screen comprises a pLane dispLay region and a curved surface dispLayregion, the array substrate comprises a first substrate, a fLattening Layer Located on the first side of the first substrate, muLtipLe dispLay units which comprise overLapped first eLectrodes, iLLumination units and second eLectrodes and are Located on the surface of the fLattening Layer, and a pixeL defining Layer which is Located between the first eLectrodes and the iLLumination units, wherein the fLattening Layer comprises a first region corresponding to the pLane dispLay region and a second region corresponding to the curved surface dispLay region, at Least part of the surface of the second region is obLique surface, the pixeL defining Layer divides the regions where the dispLay units are Located into an opening region and a non-iLLumination region which encLoses the opening region, and at Least part of the opening regions of aLL dispLay units Located on the second region is Located on the obLique pLane, so that when the array substrate is appLied to the curved surface dispLay screen, coLor drifting of the curved surface dispLay region is reLieved, and the picture dispLay quaLity of the curved surface dispLay screen is improved.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Liquid crystal display panel and its manufacturing method

The present invention discloses a liquid crystal display panel which comprises a color filter substrate and an array substrate, and further comprises a conductive sealant for bonding the color filter substrate and the array substrate. The conductive sealant includes a sealing adhesive and conductive particles, the conductive particle includes an organic resin core and a conductive coating of carbon nanotubes or graphene, the conductive coating is coated on the organic resin core, and the conductive particles are evenly distributed in the sealing adhesive. The present invention further discloses a manufacturing method of a liquid crystal display panel.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD

Cartoon display method applicable to PDP and PDP television

The invention discloses a cartoon display method applicable to a PDP and a PDP television. When the PDP television is in a state of started or no input signal, the discontinuous change is carried out on the display position of starting-up LOGO or no-signal LOGO, thus solving the defect of the phenomenon of lack of pixel on the LOGO continuing to move under dark background occurs due to the own property of the PDP, leading the display of the LOGO to be complete and smooth, further improving the display quality of images of the PDP television and having positive function for improving the whole quality of the PDP television.
Owner:HISENSE VISUAL TECH CO LTD

Image processing method and device, and display control card

The invention provides an image processing method and device, and a display control card. Coefficient values of an error diffusion template in error diffusion directions are different because of different pixel points when the error diffusion template is employed for error diffusion after gray scale reduction processing for pixel points of one same input image, a false contouring phenomenon in the prior art can be substantially ameliorated, and frame display quality is improved.
Owner:XIAN NOVASTAR TECH
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