Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

32results about How to "Avoid display unevenness" patented technology

Touch substrate and display device

The invention provides a touch substrate and a display device, belongs to the technical field of display, and solves the problem that the display is nonuniform as through holes are not uniformly distributed in the existing touch substrate. The touch substrate at least comprises a base, an insulation layer, a common electrode layer, a common electrode signal wire and a drive electrode signal wire; the insulation layer and the common electrode layer are arranged on the base; the common electrode signal wire and the drive electrode signal wire are arranged on the same layer; the common electrode layer comprises drive electrodes and common electrodes which are arranged in a crossed and insulative way and a common electrode connecting bar which is used for connecting all common electrodes; each drive electrode comprises a plurality of drive sub-electrodes which are mutually insulated; the common electrode connecting bar is connected with the common electrode signal wire by a plurality of first through holes which penetrate through the insulation layer; the drive sub-electrodes are connected with the drive electrode signal wire by a plurality of second through holes which penetrate through the first insulation layer; semi-holes which do not completely penetrate through the insulation layer are formed in the positions, corresponding to the common electrodes and / or the drive sub-electrodes, of the insulation layer.
Owner:BOE TECH GRP CO LTD +1

Colorful film substrate, manufacture method thereof and liquid crystal display panel

The invention discloses a colorful film substrate, a manufacture method thereof and a liquid crystal display panel, relating to the field of liquid crystal displays and invented for improving the display uniformity of liquid crystal display panels. The liquid crystal display panel comprises the colorful film substrate and an array substrate which is in cassette-to-cassette arrangement with the colorful film substrate; liquid crystal is dropped between the colorful film substrate and the array substrate, wherein the colorful film substrate is provided with main column-shaped spacers and auxiliary column-shaped spacers at intervals, the main column-shaped spacers are higher than the auxiliary column-shaped spacers, and the main column-shaped spacers are connected with the auxiliary column-shaped spacers at bottoms. The manufacture method of the colorful film substrate comprises the following steps of: providing a glass substrate; and forming the main column-shaped spacers and the auxiliary column-shaped spacers connected at bottoms while forming a block array on the glass substrate. The colorful film substrate can be used for manufacturing liquid crystal displays.

Liquid crystal display panel motherboard

The invention discloses a liquid crystal display panel motherboard. The liquid crystal display panel motherboard comprises a color film substrate, an array substrate which is opposite to the color film substrate, main frame sealing glue, auxiliary frame sealing glue and an auxiliary support; the main frame sealing glue, the auxiliary frame sealing glue and the auxiliary support are formed between the color film substrate and the array substrate; the position of the color film substrate, which is corresponding to the auxiliary frame sealing glue, is provided with a first segment difference repairing layer; the position of the array substrate, which is corresponding to the auxiliary frame sealing glue, is provided with a second segment difference repairing layer. According to the scheme of the liquid crystal display panel motherboard, when alignment and attachment are performed on the color film substrate and the array substrate, the maintained distance between the color film substrate and the array substrate can be equal after the auxiliary frame sealing glue and the main frame sealing glue abut against structural layers which are arranged on the color film substrate and the array substrate, so that non-uniform display at the edge of the display area due to the fact that the box thickness at the edge of the display area and the liquid crystal box thickness in the display area are unequal due to the fact that the stress of the color film substrate of the bilateral sides of the main frame sealing glue is uneven under the action of the external atmospheric pressure due to the segment difference of the main frame sealing glue and the auxiliary frame sealing glue is avoided.
Owner:NANJING CEC PANDA LCD TECH

Array substrate and driving method of pixels

The invention provides an array substrate and a driving method of pixels. The array substrate comprises a grid line and data lines, the grid line and two data lines define a pixel area, two thin film transistors are formed at a crossing position, and pixel electrodes arranged at intervals are arranged in the pixel area. A first thin film transistor in the two thin film transistors is connected with a first pixel electrode, and a second thin film transistor is connected with a second pixel electrode. The array substrate is characterized in that equal voltage with opposite polarities are exerted onto the first pixel electrode and the second pixel electrode respectively through the first thin film transistor and the second thin film transistor. An embodiment of the array substrate and the driving method of pixels can avoid a phenomenon that image display is uneven due to leaping voltage caused by coupling capacitance between the data lines and the pixel electrodes.
Owner:BOE TECH GRP CO LTD

Drive method and device of OLED (Organic Light Emitting Diode) display panel

The invention relates to a drive method and a device of an OLED (Organic Light Emitting Diode) display panel. The method comprises the steps of acquiring image data of a picture to be displayed; judging a target picture type corresponding to the picture according to the image data; reading a target driving schedule corresponding to the target picture type; driving the OLED display panel according to the image data and the target driving schedule, and displaying the picture. According to the drive method and the device of the OLED display panel, different driving schedules are set aiming at different types of pictures, so that the different types of pictures can be scanned by adopting the different driving schedules, the problem of non-uniformity in display caused by short scanning time or low picture gray scale brightness can be avoided, and an MURA problem when the OLED display panel displays a low gray scale picture is effectively solved. The embodiment of the invention is particularly applicable to an AMOLED (Active Matrix / Organic Light Emitting Diode) display panel with high resolution.
Owner:TRULY HUIZHOU SMART DISPLAY

Array substrate, preparation method thereof and display panel

The invention discloses an array substrate, a preparation method thereof and a display panel, which are used for preventing a semiconductor region of an active layer of a thin film transistor from being illuminated, improving the working stability of the thin film transistor, avoiding uneven display pictures and improving the display effect. The array substrate comprises a substrate body, a shading layer located on the substrate body, a buffer layer located on the shading layer, an active layer located on the buffer layer and a shading part. The buffer layer is provided with a groove. The active layer includes a semiconductor region, and a first conductive region and a second conductive region connected to the semiconductor region. The semiconductor region and the shading part fill the groove. The orthographic projection of the shading part on the substrate is annular, the side surface of the semiconductor region is completely surrounded by the shading part, and the first conductor region and the second conductor region are located above the shading part and the semiconductor region. The orthographic projection of the shading layer on the substrate covers the orthographic projection of the semiconductor region on the substrate.
Owner:BOE TECH GRP CO LTD +1

LCD (liquid crystal display) panel and manufacturing method thereof

The invention discloses an LCD (liquid crystal display) panel and a manufacturing method thereof. The LCD panel comprises a first border scanning line, a first dielectric layer and a second border scanning line, wherein the first border scanning line is manufactured in a border area, the first border scanning line and gate lines are formed in a same photoetching step, and the first border scanning line is connected with part of thin-film transistors by a corresponding grid line; the first dielectric layer covers the first border scanning line; the second border scanning line is arranged on the surface of the first dielectric layer, and connected with the gate electrodes of remaining thin-film transistors by remaining gate lines; and the first border scanning line and the second border scanning line are made of a same metal material. In the invention, the widths and thicknesses of the two layers of scanning lines can be designed to be same, and because the developing and photoetching conditions are same, the widths of the two layers of scanning lines subjected to photoetching are more consistent, so that the resistances of the two layers of scanning lines are closer, thereby avoiding the occurrence of a situation that horizontal stripes are displayed non-uniformly; and under the premise of narrowing a border of the LCD panel, the display effect of the LCD panel is improved.
Owner:TRULY SEMICON

Pixel structure and array substrate, display device and pixel structure manufacturing method

The invention discloses a pixel structure. The pixel structure comprises a first thin film transistor, a second thin film transistor, a grid line, a data line, a common line, a pixel electrode and a common electrode, wherein according to the first thin film transistor, a grid is connected with the grid line, a drain is connected with the pixel electrode, and a source is connected with the data line; according to the second thin film transistor, a grid is connected with the grid line, a drain is connected with the common electrode, and the source is connected with the common line. The invention correspondingly discloses an array substrate, display device and pixel structure manufacturing method. By means of the pixel structure and the array substrate, display device and pixel structure manufacturing method, the pixel electrode and the common electrode can both generate completely the same leaping voltage so as to guarantee stability of leaping voltage on a liquid crystal, so that the influence of leaping voltage caused by coupling capacitance on liquid crystal display is completely eliminated, conditions of image flicker and image display non-uniformity are avoided, and image qualities are improved.
Owner:BEIJING BOE OPTOELECTRONCIS TECH CO LTD

Display panel and display device

The invention discloses a display panel and a display device. The display panel comprises a first substrate, a second substrate opposite to the first substrate, a liquid crystal layer arranged between the first substrate and the second substrate, a pixel electrode, a public electrode and an alignment layer. The liquid crystal layer is composed of liquid crystal molecules with dielectric constant anisotropy being negative, the pixel electrode and the public electrode are located on the first substrate and insulated from each other, the alignment layer covers the pixel electrode and the public electrode and has a preset alignment direction, the pixel electrode comprises at least two branch electrodes and an end electrode connecting the ends of the branch electrodes, each branch electrode comprises a body portion and a bend connection portion, each bend connection portion is connected between the corresponding body portion and the end electrode, and a first angle formed between each bend connection portion and the alignment direction is larger than or equal to 5 degrees and smaller than or equal to 25 degrees. The display panel and the display device can solve the phenomenon that pressing display of the display panel is not uniform, the penetration rate is increased along with reducing of a bend angle, drive voltage is lowered, and therefore power consumption is lowered.
Owner:XIAMEN TIANMA MICRO ELECTRONICS +1

Liquid crystal displaying panel

The invention discloses liquid crystal display panel. It includes active device array base plate, the second base plate, frame glue, and liquid crystal layer. The active device array base plate has display area and its perimeter circuit area, includes the first base plate, pixel, signal line, floating line, and line sharing layer. The signal line and the pixel are electrical property connected. The floating line is set at the fan-out area of the perimeter circuit area each which is aimed at one signal line. The line sharing layer is set out of the fan-out area of which thickness is the same as the whole of the aligned floating line and the signal line. The frame glue is covered over the floating line, part of signal line and line sharing layer around the display area.
Owner:AU OPTRONICS CORP

Driving method of display panel

PendingCN111816110AEliminate charging differencesAvoid flickeringStatic indicating devicesScan lineCharge rate
The invention provides a driving method of a display panel. The driving method of the display panel comprises the steps of detecting the charging rate, inputting clock signals with different voltage values and / or setting the threshold voltage of each row of pixel units. According to the invention, the charging rate of each row of scanning lines in the to-be-driven display panel is detected and then the clock signals with different input voltage values are adjusted and / or the threshold voltage of the pixel unit connected with each row of scanning lines is set corresponding to the charging rateof each row of scanning lines; the technical effect that the charging rates of the scanning lines in each row are the same is achieved, so that the charging difference of the display area in the display panel is eliminated, and the phenomena of image flickering and uneven display are avoided.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

Liquid crystal display panel processing method

The invention provides a liquid crystal display panel processing method. The method comprises the steps that a liquid display panel is provided, the liquid display panel comprises a thin film transistor array substrate, a color film substrate and a liquid crystal layer clamped between the thin film transistor array substrate and the color film substrate, and pits exist on surfaces, facing away from the liquid crystal layer, of the thin film transistor array substrate and the color film substrate; an organic silicon resin film layer or a silicon oxide film layer is formed respectively on the surfaces, facing away from the liquid crystal layer, of the thin film transistor array substrate and the color film substrate to fill the existed pits on the two substrates of the liquid crystal displaypanel to obtain a flattened liquid crystal display panel; thinning treatment is conducted on the flattened liquid crystal display panel. The existence of the organic silicon resin film layer or the silicon oxide film layer can fill the pits which might exist on the panel, and probability that the pits are deteriorated when the thinning treatment is conducted on the panel is reduced to improve display quality of the panel.
Owner:WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD

Display device and driving method thereof

The invention provides a display device and a driving method thereof, and the method comprises the steps: inputting a small-to-large driving current interval into a plurality of horizontal display regions from a position close to a source electrode driver to a position far away from the source electrode driver, so as to achieve the small-to-large driving capability of the plurality of horizontal display regions; therefore, the problem that the brightness is gradually reduced due to the gradually-increased capacitance-resistance load of the horizontal display areas from the position close to the source electrode driver to the position far away from the source electrode driver is solved, the brightness difference between the horizontal display areas is reduced, the brightness of the horizontal display areas is basically the same, and the phenomenon of non-uniform display of the display panel is avoided.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD

Driving circuit, driving method thereof and display panel

PendingCN114241993AIncrease the time of threshold compensationAvoid uneven displayStatic indicating devicesData linesHemt circuits
The invention discloses a driving circuit, a driving method thereof and a display panel, and belongs to the technical field of display. The driving circuit at least comprises a pixel circuit and a multi-path selection circuit; the pixel circuit at least comprises a driving transistor, a light-emitting device and a data write-in module. The driving transistor is connected in series between the first power supply signal end and the light-emitting device to generate driving current; the data write-in module is connected in series between the driving transistor and the multi-path selection circuit and is used for providing a data signal for the driving transistor; the output end of the multi-path selection circuit is connected with the input end of the data writing module through a data line, and the multi-path selection circuit is used for writing a data signal into the data line while the driving transistor performs threshold compensation. The driving method is used for driving the driving circuit. The display panel at least comprises the driving circuit. While the display effect is ensured, the bezel narrowing of the display panel is facilitated.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

OLED display module set and display thereof

The invention provides an OLED display module set and a display thereof. The OLED display module set includes a substrate, an OLED light-emitting unit and an encapsulation assembly; the OLED light-emitting unit is arranged on the upper surface of the substrate; the encapsulation assembly is arranged at the outer side of the OLED light-emitting unit; and the encapsulation assembly includes an encapsulation cover board, an encapsulation adhesive frame and a mercury filler which is arranged in a cavity formed by the encapsulation cover board, the encapsulation adhesive frame and the OLED light-emitting unit. Compared with the prior art, and according to the OLED display module set and the display thereof provided by the invention, the mercury is adopted as an encapsulation material; by means of excellent thermal conductivity of the mercury, heat generated by an OLED can be timely dissipated (transferred to the encapsulation cover board), and therefore, the phenomenon of uneven display caused by the transfer of heat generated by an organic light-emitting element array in light emission to a transistor array can be alleviated, and the service life of the OLED can be prolonged, and display quality can be improved; and equivalently, the thickness of a cathode layer is increased, and therefore, the electric conductivity of the cathode layer can be improved.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Display panel and display device

The invention discloses a display panel and a display device. The display panel comprises a first substrate, a second substrate opposite to the first substrate, a liquid crystal layer arranged between the first substrate and the second substrate, a pixel electrode, a public electrode and an alignment layer. The liquid crystal layer is composed of liquid crystal molecules with dielectric constant anisotropy being negative, the pixel electrode and the public electrode are located on the first substrate and insulated from each other, the alignment layer covers the pixel electrode and the public electrode and has a preset alignment direction, the pixel electrode comprises at least two branch electrodes and an end electrode connecting the ends of the branch electrodes, each branch electrode comprises a body portion and a bend connection portion, each bend connection portion is connected between the corresponding body portion and the end electrode, and a first angle formed between each bend connection portion and the alignment direction is larger than or equal to 5 degrees and smaller than or equal to 25 degrees. The display panel and the display device can solve the phenomenon that pressing display of the display panel is not uniform, the penetration rate is increased along with reducing of a bend angle, drive voltage is lowered, and therefore power consumption is lowered.
Owner:XIAMEN TIANMA MICRO ELECTRONICS +1

Shutdown discharge circuit and shutdown discharge method

The invention relates to a shutdown discharging circuit and a shutdown discharging method, and the shutdown discharging circuit comprises a voltage detection unit which is used for detecting the current initial voltage difference between the two ends of at least one liquid crystal capacitor; the voltage judgment unit is used for judging whether each initial voltage difference value exceeds a liquid crystal overturning threshold value or not; and the voltage adjusting unit is used for adjusting the voltage at the two ends of the liquid crystal capacitor corresponding to the initial voltage difference value to a target voltage difference value when the initial voltage difference value exceeds the liquid crystal overturning threshold value. When the initial voltage difference value exceeds the liquid crystal overturning threshold value, the voltage at the two ends of the liquid crystal capacitor corresponding to the initial voltage difference value is adjusted to the target voltage difference value, so that the voltage at the two ends of the liquid crystal capacitor in the corresponding pixel unit cannot reach the overturning condition, and the corresponding liquid crystal capacitor is in a discharging state; therefore, the black screen state in the shutdown state is kept, and the phenomenon of uneven display caused by liquid crystal overturning in the next startup is avoided.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Array substrate and driving method, display panel and touch display device

The invention discloses an array substrate, a driving method, a display panel and a touch display device, and relates to the field of display technology. The array substrate at least includes a plurality of electrode rows, a plurality of switch control lines and a plurality of switch units located in a display area; an electrode Each row corresponds to at least one switch control line, each first electrode corresponds to a switch unit, and each switch unit includes at least one first switch; in the same electrode row: each switch unit has at least one control terminal of the first switch connected to the For the same switch control line, the first poles of the first switches connected to the same switch control line are electrically connected to the first electrodes respectively, and the second poles of the first switches connected to the same switch control line are electrically connected to each other. In the display phase, the common voltage signal is received; the switch control line transmits the first control signal to each first switch connected to it, so that each first electrode in the electrode row electrically connected to the first switch is electrically connected. This is beneficial to improve the phenomenon of displaying split screens.
Owner:XIAMEN TIANMA MICRO ELECTRONICS

Touch substrate and display device

The invention provides a touch control substrate and a display device, belonging to the field of display technology, which can solve the problem of non-uniform display caused by uneven distribution of via holes in the existing touch control substrate. The touch substrate of the present invention at least includes: a substrate, an insulating layer disposed on the substrate, a common electrode layer, and a common electrode signal line and a driving electrode signal line disposed on the same layer, wherein the common electrode layer includes a crossed and insulated drive electrodes and common electrodes, and a common electrode connecting bar connecting each common electrode, each driving electrode includes a plurality of driving sub-electrodes insulated from each other, and the common electrode connecting bar is connected to the said insulating layer through a plurality of first via holes. The common electrode signal line is connected, the driving sub-electrode is connected to the driving electrode signal line through the second via hole penetrating the first insulating layer, and an incomplete hole is formed in the insulating layer corresponding to the position of the common electrode and / or the driving sub-electrode. A half hole through the insulation.
Owner:BOE TECH GRP CO LTD +1

Thrust adjusting method and device of source drive circuit and display device

The invention provides a thrust adjusting method and device of a source drive circuit and a display device, and belongs to the technical field of display. The adjusting method of the source drive circuit is applied to the display panel and comprises the steps that the display state of the display panel is judged, and the pushing force of the source electrode driving circuit is adjusted according to the display state of the display panel. The push force of the source drive circuit can be adjusted according to the display state of the display panel, so that waste of power consumption of the display panel caused by excessive thrust of the source drive circuit can be avoided, or uneven display of the display panel caused by insufficient thrust of the source drive circuit can be avoided, so that the display quality of the display panel can be improved, and the power consumption can be reduced.
Owner:BOE TECH GRP CO LTD +1

OLED display module and its display

The invention provides an OLED display module and its display. The OLED display module includes: a substrate, an OLED light-emitting unit, and a packaging component; the OLED light-emitting unit is arranged on the upper surface of the substrate substrate; and the packaging component is arranged outside the OLED light-emitting unit ; Wherein, the package assembly further includes a package cover, a package plastic frame, and a mercury filling in a cavity formed by the package cover, package plastic frame and OLED light-emitting unit. Compared with the prior art, the OLED display module and the display provided by the present invention use mercury as the packaging material, and utilize the good thermal conductivity of mercury to dissipate the heat generated by the OLED in time (transfer to the packaging cover), reducing the organic The heat generated by the light-emitting element array when emitting light is conducted to the transistor array, thereby avoiding the phenomenon of uneven display caused by it, thereby prolonging the service life of the OLED and improving the display quality. In addition, it is equivalent to increasing the thickness of the cathode layer to improve its conductivity.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Display panel, manufacturing method of display panel and display device

The invention provides a display panel, a manufacturing method of the display panel and a display device. The display panel comprises a first substrate assembly, a second substrate assembly and a frame sealing assembly located between the first substrate assembly and the second substrate assembly, the frame sealing assembly comprises at least one first electrode, at least one second electrode and a frame sealing glue layer located between the first electrode and the second electrode, and particle media are arranged in the frame sealing glue layer. The first electrode is arranged on the side, opposite to the first substrate assembly, of the frame sealing adhesive layer, the second electrode is arranged on the side, opposite to the second substrate assembly, of the frame sealing adhesive layer, the first electrode and the second electrode are used for forming different preset electric fields, and the particle medium deflects or stretches under the action of the preset electric fields so as to adjust the thickness of the frame sealing adhesive layer. The thickness of the display area and the thickness of the non-display area of the display panel are matched, the situation that the display panel is uneven in display is avoided, and the display quality of the display panel is improved.
Owner:HKC CORP LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products