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133results about How to "Avoid showing exceptions" patented technology

Shift register unit, gate drive circuit and display device

The embodiment of the invention provides a shift register unit, a gate drive circuit and a display device, and can enhance the output capacity of a signal output end and shorten the fall time of output waveform. The shift register unit provided by the invention comprises a first output module, a second output module, an input module, a drop-down control module, a drop-down module and a reset module, wherein under the control of a pull-up control node, the signal of a clock signal end is output to a signal output end; under the signal control of a signal input end, the voltage of a first power supply end is output to the pull-up control node; under the signal control of the signal input end, the signal of a drop-down control node drops down to the voltage of a second power supply end; under the control of the drop-down control node, the signals of the pull-up control node and the signal output end drop down to the voltage of the second power supply end; under the control of a reset signal end, the signal of the first power supply end is output to the drop-down control node. The shift register unit, the gate drive circuit and the display device, provided by the embodiment of the invention, are applied to the production and manufacturing of display panels.
Owner:HEFEI BOE OPTOELECTRONICS TECH +1

Implementation method for solving electrostatic display abnormity of display screen

The invention discloses an implementation method for solving an electrostatic display abnormity of a display screen. The display screen is a display screen of a handheld device. The method comprises the following steps of step 1, setting a threshold value for realizing a detection of an existence of a static electricity of a software of an electrostatic sensitive device of the handheld device; step 2, detecting whether the static electricity exists or not. If the static electricity exists, step 3 is executed, otherwise step 2 carries out circle detections; step 3, sending interrupt signals to a master chip of the handheld device by the electrostatic sensitive device; step 4, detecting whether an abnormity exists in a display screen register or not by the master chip. If the abnormity exists, step 5 is executed, otherwise the procedure returns to step 2; step 5, reinitializing the display screen; step 6, refreshing the screen once; and step 7, jumping back to step 2 to continue to detect. The method enables the handheld device to avoid the display abnormity problems of the display screen due to the static electricity problems, has a great advantage of reducing the probability of display abnormity of the display screen caused by electrostatic discharge particularly in a situation that the product appearance and the structure of the handheld device have been determined, and improves the user experience.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Flexible display device

This invention relates to a flexible display device, which comprises a display panel and a plurality of bending limit structures. The display panel is provided with a display surface and a bottom surface opposite to the display surface, the display surface is provided with a visible area and a peripheral area surrounding the visible area; and the bending limit structures can be configured on the display surface and positioned in the peripheral area, also can be configured on the bottom surface of the display panel, are provided with top surfaces and oblique lateral walls, the top surfaces of adjacent bending limit structures are mutually spaced, and the oblique lateral walls are opposite to each other. When the flexible display device is bent to a preset degree, adjacent bending limit structures are mutually butted, thereby preventing the damage to the display panel as a result of being bent excessively to further ensure the use reliability of the flexible display device.
Owner:E INK HLDG INC

Micro LED display panel and preparation method thereof

The present invention relates to the technical field of display and discloses a micro LED display panel and a preparation method thereof. The micro LED display panel comprises a TFT backplane and a micro LED fixed to the TFT backplane. The TFT backplane includes a substrate and a group including a first insulating layer and a second insulating layer which are successively stacked on the substrate.The first insulating layer has a groove filled with the second insulating layer. The orthographic projection of the groove on the substrate and the orthographic projection of a TFT region in the TFTbackplane on the substrate do not overlap each other. The hardness of the second insulating layer is less than the hardness of the first insulating layer. In the micro LED display panel, the groove inthe first insulating layer of the TFT backplane and the second insulating layer filling the groove constitute a stress relief structure which may a stress relief effect when corresponding deformationoccurs in the micro LED pressure soldering process, thereby avoiding influences on TFT characteristics and avoiding display anomalies.
Owner:BOE TECH GRP CO LTD

Brightness adjusting method of OLED display device and OLED display device

The invention provides a brightness adjusting method of an OLED display device and an OLED display device. A static pattern is divided into a central region and a gradual changing region encircling the central region; and the brightness of the central region is reduced directly to needed static brightness and the brightness of the gradual changing region is reduced uniformly and gradually from brightness in a normal mode to static brightness from a position far away from the central region to a position close to the central region. Therefore, aging of an OLED display panel due to long-time static pattern displaying can be delayed and abnormal displaying caused by sudden changing of edge brightness of the static pattern can be avoided.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

User interface display method and device, terminal and storage medium

The invention discloses a user interface display method and device, a terminal and a storage medium, and belongs to the technical field of terminals. The method includes displaying a first user interface of a first application in a full screen manner; when a floating window startup instruction is obtained, modifying a full screen attribute value corresponding to the first user interface from a valid value to an invalid value, displaying a second user interface and displaying a floating window corresponding to the first user interface on the second user interface. Due to the fact that the fullscreen attribute value corresponding to the first user interface displayed in the floating window is modified to the invalid value by the terminal, the user interface abnormal display caused by errorsproduced when activity management service judges the data visibility and caused by the fact that the full screen attribute value corresponding to the first user interface displayed in the floating window is still the valid value is avoided. The user interface display effect is ensured.
Owner:OPPO CHONGQING INTELLIGENT TECH CO LTD

Thin film transistor (TFT) array substrate and liquid crystal panel thereof

The invention provides a thin film transistor (TFT) array substrate and a liquid crystal panel thereof. The TFT array substrate comprises a substrate, a plurality of gaskets, a plurality of first short-circuiting bars, second short-circuiting bars and a plurality of electronic static discharge (ESD) devices, wherein the gaskets are located on the surface of the substrate and used for receiving external signals, the first short-circuiting bars are located on the surface of the substrate and correspond to the gaskets, the second short-circuiting bars are located on the surface of the substrate to be connected with all the first short-circuiting bars, and the ESD devices are located on the surface of the substrate and electrically connected with the gaskets and the first short-circuiting bars corresponding to the gaskets. The problem of display abnormity caused by short circuiting between the short-circuiting bars and the corresponding gaskets caused by ITO etching uncleanness during testing is solved while an anti-static function in the array substrate manufacturing process is achieved.
Owner:SHANGHAI AVIC OPTOELECTRONICS

Toast component realization method and system

Embodiments of the invention provide a Toast component realization method and system, which is used for solving the technical problem of dependency on activity and authorization during Toast component realization in the prior art. The method comprises the steps of obtaining a Toast layout; creating a Toast root layout; adding the Toast layout to the Toast root layout through an addView function of the Toast root layout; adding the Toast root layout to an object of a WindowManager through an addView function of the WindowManager, wherein the grade of WindowManager.LayoutParams used for representing a display view parameter in the addView function of the WindowManager is the same as that of native Toast; and sending the Toast root layout to a main thread message queue through a Handler object with the main thread message queue, and then displaying a Toast component corresponding to the Toast root layout. According to the method and the system, the technical problem of dependency on activity and authorization is avoided while multiple shortcomings of the native Toast are overcome.
Owner:WUHAN DOUYU NETWORK TECH CO LTD

Method and system of obtuse angle prediction based on reversible information hiding

The present invention belongs to the data hiding technology field, and provides a method and system of obtuse angle prediction based on reversible information hiding. The method comprises: obtaining a carrier image and auxiliary information, wherein the auxiliary information comprises watermark information and a position map, performing preprocessing, determining the size of the scanning block and the image roughness, performing predication of the target pixel according to the maximum predicated angle, the reference pixel quantity and the location of the target pixel, obtaining the prediction error of the target pixel, embedding the watermark information into the carrier image according to the predication error of the target pixel and the storage information of the auxiliary information, forming a secret carrying image, identifying the auxiliary information in the secret carrying image, extracting the watermark information from the secret carrying image, restoring the pixel having correcting the pixel gray value and restoring the carrier image. The method and system of obtuse angle prediction based on reversible information hiding can improve the embedding capacity and the peak signal to noise ratio of the reversible information hiding technology and enhance the predication performance.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Pixel circuit and driving method thereof, display panel, and display device

The invention discloses a pixel circuit and a driving method thereof, a display panel, and a display device. The pixel circuit comprises a coupling control module, a driving module, a compensation module and a light-emitting device. Through mutual cooperation of the modules, the light-emitting device can be driven to emit light, the coupling control module couples signals of a light-emitting control signal terminal to a first electrode of a driving transistor at a coupling stage, the voltage of the first electrode of the driving transistor is increased, the driving transistor is prevented from being in a forward bias voltage in a long time, the time for characteristic recovery is provided for the driving transistor, the drift of a threshold voltage and the mobility change of the driving transistor can be rapidly recovered, display anomaly is avoided, and the display stability is improved.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Pixel circuit, driving method thereof and display panel

The embodiments of the invention disclose a pixel circuit, a driving method thereof and a display panel. The pixel circuit comprises a data writing unit, a compensation unit, a driving unit, a first storage component and a second storage component; the control end of the data writing unit is connected with a scanning signal input end; the first end of the data writing unit is connected with a datasignal input end; the second end of the data writing unit is connected with a first node; the control end of the compensation unit is connected with a first level signal input end; the first end of the compensation unit is connected with the first node; the control end of the driving unit is connected with the first node; the first end of the driving unit is connected with a light emitting component; the second end of the driving unit is connected with the first level signal input end; the first storage component is located between the first node and a light emitting control signal input end;the second storage component is arranged between the control end of the compensation unit and the second end of the compensation unit; the second electrode of the light emitting component is connected with a second level signal input end; and the driving current of the driving unit is not affected by the threshold voltage of the driving unit. With the above technical schemes of the present invention adopted, under the premise of realizing the compensation function of the pixel circuit, the probability of the failure of a pixel driving circuit and the difficulty of the pixel layout of a high-resolution display device are reduced.
Owner:EVERDISPLAY OPTRONICS (SHANGHAI) CO LTD

Array substrate, display panel and displayer

The embodiment of the invention discloses an array substrate, a display panel and a displayer. The array substrate includes a lining substrate, an insulated layer positioned on one side of the liningsubstrate and an electrostatic conductive layer positioned on the side, away from the lining substrate, of the insulated layer. The lining substrate includes a display area and a non-display area around the display area; the insulated layer includes at least one platform-like protrusion, and the vertical projections, on the lining substrate, of the surfaces, away from the lining substrate, of theplatform-like protrusions are positioned within the vertical projections, on the lining substrate, of the surfaces, close to the lining substrate, of the platform-like protrusions; the electrostatic conductive layer includes a first wire and at least one first discharging tip, the first wire is electrically connected with the first discharging tips, and the first discharging tips are formed on lateral slopes of the platform-like protrusions and positioned within the non-display area. The electrostatic conductive layer also includes an auxiliary discharging structure which is arranged oppositeto the first discharging tips. Compared with the prior art, the discharging tips in the array substrate provided by the embodiment are sharp, and static electricity is easily released.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Image data frame insertion processing method and device, electronic equipment and storage medium

The invention provides an image data frame insertion processing method and device, electronic equipment and a computer storage medium, and the method comprises the steps: firstly detecting the displacement state of a user interaction interface of a current video playing application, wherein the displacement state comprises a static state and a sliding state; if the user interaction interface is inthe static state, performing frame insertion processing on image data played by the current video playing application; and if the user interaction interface is in the sliding state, pausing to perform frame insertion processing on the image data played by the current video playing application. According to the invention, frame insertion processing can be carried out on the whole video with the interface in the sliding state, frame insertion processing is not carried out on the video with the video interface in the static state, the displacement state of the user interaction interface is flexibly detected to carry out frame insertion and frame insertion canceling switching, abnormal display is prevented, and the watching experience of a user is greatly improved.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Liquid crystal display device and driving method thereof

The embodiment of the invention discloses a liquid crystal display device and a driving method thereof. The liquid crystal display device includes a gate driver, a source driver, a time sequence controller and a display panel; the time sequence controller is used for outputting first control signals to the gate driver and outputting second control signals to the source driver; the gate driver is used for outputting gate driving signals to gate lines according to the first control signals; the source driver is used for outputting data driving signals to data lines respectively according to the second control signals when the gate driver outputs the gate driving signals to the gate lines; and the source driver controls polarity of the data driving signals loaded on the data lines according to the second control signals so as to make the polarity of the data driving signals change for once every two frames of images. With the liquid crystal display device and the driving method thereof of the invention adopted, display quality can be improved.
Owner:KUSN INFOVISION OPTOELECTRONICS

Clock signal generation circuit, driving chip, display device and clock signal generation method

InactiveCN110085157AReduce lossPrevent abnormal image displayStatic indicating devicesDisplay deviceComputer science
The invention discloses a clock signal generation method, which comprises the following steps of performing content comparison on the image data of the continuous frames, and judging whether the imagedata is a static image or a dynamic image; when the image data is the dynamic image, generating a first clock signal; when the image data is the static image, generating a second clock signal, and controlling the refresh frequency of the image display according to the first clock signal or the second clock signal, wherein the frequency of the first clock signal is higher than that of the second clock signal. The invention also discloses a clock signal generation circuit, a driving chip and a display device. According to the clock signal generation circuit, the display device and the clock signal generation method disclosed by the invention, the number of the image frames which can be refreshed by a driving chip per second is reduced, the frame rate is reduced, and the unnecessary energy loss is reduced.
Owner:CHIPONE TECH BEIJINGCO LTD

GOA circuit, driving method and display device

The invention discloses a GOA circuit, a driving method and a display device, and belongs to the field of display. The GOA circuit comprises a first driving module, a second driving module and a first transistor; the first driving module is connected with an input signal terminal, a first clock signal terminal, a reset signal terminal, a first voltage terminal, a second clock signal terminal, a first control point and an output signal terminal; a first terminal of the first transistor is connected with a third clock signal terminal, and a second terminal of the first transistor is connected with the output signal terminal; the second driving module is connected with the first control point, a second voltage terminal, the first clock signal terminal and a grid electrode of the first transistor. By means of the GOA circuit, the driving method and the display device, abnormal display can be avoided, and the display effect can be improved.
Owner:BOE TECH GRP CO LTD +1

Color film substrate, preparation method, display panel and display device

InactiveCN108196389ASolve the problem of abnormal displayIncrease contact areaNon-linear opticsComputer scienceBlack matrix
The invention discloses a color film substrate, a preparation method, a display panel and a display device. The color film substrate comprises a substrate body and a black matrix layer arranged on oneside of the substrate body; a peripheral columnar spacer is arranged on the side, away from the substrate body, of the black matrix layer; the peripheral columnar spacer is arranged corresponding toa frame sealing glue coating area of the color film substrate; ITO layers are arranged on the surface of the peripheral columnar spacer and the surface of the black matrix layer respectively, and theITO layers are in contact with the end of the peripheral columnar spacer and the black matrix layer at the same time. According to the color film substrate, the preparation method, the display panel and the display device, charges carried in the black matrix layer can be accurately and effectively eliminated, the problem that display is abnormal and green is avoided, and then the display effect isimproved; in addition, the adhesion force of the frame sealing glue area can be increased, so that the narrow bezel design is achieved.
Owner:BOE TECH GRP CO LTD +1

Electrooptic device, method for manufacturing same, and electronic apparatus

An electrooptic device is provided that comprises an electrooptic panel having an image display region for displaying an image and an interface substrate connected to the electrooptic panel via a connection part. The interface substrate has a folding part folded at the connection part toward a lower-surface side of the electrooptic panel and projections extending from the folding part positioned at the lower-surface side of the electrooptic panel. The projections are folded toward a top-surface side of the electrooptic panel so that electronic parts of the projections are opposed to driver ICs that are mounted on an overhanging part of the electrooptic panel.
Owner:BOE TECH GRP CO LTD

Display module and display device

The invention relates to a display module and a display device. The display module comprises a substrate, an anode layer and a plurality of isolation columns, wherein the anode layer comprises a plurality of anode strips which are formed on the substrate and are parallel to one another; each anode strip comprises a plurality of sub-anodes distributed along the length direction and a plurality of conduction parts for connecting the adjacent sub-anodes in a conducting manner; the flexibility of the conduction parts is better than that of the sub-anodes; the plurality of isolation columns are formed on the anode layer in parallel; and the sub-anodes located between two adjacent isolation columns form pixel regions. According to the display module, each anode strip is divided into the plurality of sub-anodes through the conduction parts. The flexibility of materials of the conduction parts is better than that of the sub-anodes, that is to say, the conduction parts have better bending resistance than the sub-anodes; and meanwhile, the bending stress of the anode strips can be reduced through the bending-resistant conduction parts while the display module is bent, so that fracture of theanode strips is effectively prevented, smooth conduction of the anode strips is ensured and abnormal display of the display device is effectively avoided.
Owner:SUZHOU QUINGYUE OPTOELECTRONICS TECH CO LTD

Organic light emitting display device and driving method thereof

The invention discloses an organic light emitting display device and a driving method thereof. The organic light emitting display device comprises a plurality of pixels, a data driver and a pre-charging circuit, wherein the plurality of pixels comprise a plurality of organic light emitting diodes, and a plurality of driving transistors used for supplying driving currents to the organic light emitting diodes; the data driver is used for transmitting corresponding data signals to the plurality of pixels by means of a plurality of data lines; the pre-charging circuit is used for pre-charging a voltage signal reserved at a previous timing sequence to an initial voltage, and the initial voltage is less than or equal to the minimum voltage of the data signals; and the pre-charging circuit acts before the data driver transmit the corresponding data signals to the plurality of pixels, so as to pre-charge the voltage signals reserved at the previous timing sequence by the plurality of pixels to be less than or equal to the minimum voltage of the data signals. The organic light emitting display device and the driving method thereof have the effects of being simple in timing sequence design, and reducing the power consumption of the data driver.
Owner:EVERDISPLAY OPTRONICS (SHANGHAI) CO LTD

Control method and device for I2C communication

InactiveCN108763139AAvoid I2C read/write data exceptionsAvoid showing exceptionsElectric digital data processingSoftwareTerminal equipment
The invention discloses a control method and device for I2C communication. The method comprises the steps that when a request of a master device in a first system for performing I2C communication is received, the communication state, in a second system, of a slave device in the first system is judged, wherein the communication state comprises idle and busy; when the communication state is idle, the I2C communication is performed; and when the communication state is busy, preset time is delayed, and the communication state, in the second system, of the slave device in the first system is judgedagain. Through the control method and device, control over communication logic of terminal equipment adopting at least one I2C communication system through the working state of the slave device in the first system is realized, an I2C reading / writing data anomaly caused by the busy state of the slave device is avoided, therefore, an upper-layer software display anomaly caused by a bottom-layer data communication anomaly is avoided, the stability of the systems is improved, and user experience is improved.
Owner:HISENSE VISUAL TECH CO LTD

Array substrate, display panel and display device

The embodiment of the invention discloses an array substrate, a display panel and a display device. The array substrate comprises a substrate body, a first wiring layer and a second wiring layer, wherein the first wiring layer and the second wiring layer are arranged on one side of the substrate body. The substrate body comprises a display area and a frame area surrounding the display area, the first wiring layer comprises a plurality of first wires located in the display area, the second wiring layer comprises at least one second wire located in the frame area, and the first wires and the second wire extend in the first direction; the first wires and the second wire are connected in parallel, and the first wires are scanning signal lines. According to the embodiment of the invention, theproblem of abnormal display caused by overlong scanning signal lines of a large-size display panel is solved, and the display effect is improved.
Owner:XIAMEN TIANMA MICRO ELECTRONICS

Electric quantity detection method of smectic phase liquid crystal screen

The invention discloses an electric quantity detection method of a smectic phase liquid crystal screen. The method comprises the steps of: in an initialization process, removing a headmost pulses and b backmost pulses of m low-frequency high-voltage pulses applied to a row or column, carrying out p times of average sampling on the residual pulses, obtaining sampling average values, and using the minimum value in the (m-a-b) obtained sampling average values as the electric quantity information of the initialization phase; and when scanning is driven, removing c headmost pulses and d backmost pulses of n high-frequency high-voltage pulses applied to a row, carrying out once sampling on the residual pulses, averaging (n-c-d) sampling values, using the average value as a row sampling value, and taking the minimum value in all row sampling values obtained by scanning of all rows as the electric quantity information of the scanning driving phase. According to the invention, the electric quantity information in a screen refreshing process of the smectic phase liquid crystal screen is detected, so that prevention measures are taken before a low electric quantity, and abnormal display caused by waveform distortion of driving pulses is prevented.
Owner:HALATION PHOTONICS CORP

Method and system for regulating picture of liquid crystal display

The invention provides a method and system for regulating a picture of a liquid crystal display. The method for regulating the picture of the liquid crystal display comprises the first step of providing the liquid crystal display, wherein the liquid crystal display displays the picture in a single-direction scanning mode; the second step of further judging whether an original picture is displayed through the liquid crystal display or not when the liquid crystal display is installed in an inversion mode, wherein each pixel point of the original picture corresponds to a coordinate point in the liquid crystal display; the third step of modifying the coordinate point corresponding to each pixel point of the original picture to generate a regulated picture rotated by 180 degrees if the original picture is displayed through the liquid crystal display; the fourth step of displaying the final regulated picture through the liquid crystal display, wherein the final regulated picture is rotated by 180 degrees.
Owner:QISDA SUZHOU

Array substrate, display panel and display device

ActiveCN112327548AReduce or eliminate the potential for corrosionAvoid showing exceptionsSolid-state devicesNon-linear opticsDisplay deviceElectrical connection
The invention discloses an array substrate, a display panel and a display device. The array substrate comprises a plurality of welding pads, wherein each welding pad is electrically connected with a pin of a driving chip; and the levels of the signals received by at least two adjacent welding pads are different, and at least one protection welding pad is arranged between the two adjacent welding pads with different levels of the received signals. According to the embodiment of the invention, a possibility that the welding pads are corroded can be reduced.
Owner:KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD
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