41results about How to "Consistent display brightness" patented technology

The invention provides an organic light-emitting display device. The organic light-emitting display device comprises a first substrate, a second substrate, a plurality of organic light-emitting elements and a conductive layer. The first substrate and the second substrate are arranged oppositely. The organic light-emitting elements are arranged on the side, facing the second substrate, of the first substrate. Each organic light-emitting element comprises an anode arranged on the first substrate, an organic light-emitting layer arranged on the anode and a cathode arranged on the organic light-emitting layer. The conductive layer is arranged on the side, facing the first substrate, of the second substrate. The conductive layer makes contact with the cathodes. Due to the fact that the conductive layer makes contact with the cathodes, sheet resistance of cathode layers can be reduced, and voltage drop, on the cathode layers, of driving signals can be reduced. Thus, the difference of values of currents flowing through all the organic light-emitting elements is reduced, light emitted by the organic light-emitting elements are more similar in intensity, and the display brightness of the whole organic light-emitting device tends to be uniform.

The invention discloses an LCD device and a driving method of a backlight module thereof. The LCD device comprises a display panel and the backlight module, wherein, the backlight module comprises a first light source, a second light source and a drive circuit. When the LCD device is in a normal display mode, the drive circuit drives the first light source to make the backlight module to provide a first backlight to the display panel. When the LCD device is converted into a black frame insertion display mode, the drive circuit drives the first light source and the second drive circuit at the same time to make the backlight module to provide a mixed backlight to the display panel. The color temperature and lightness of the mixed backlight are different from the color temperature and the brightness of the first backlight, so that the displayed color temperature and displayed brightness of the LCD device under the black frame insertion display mode is essentially the same as the displayed color temperature and displayed brightness of the LCD under the normal display mode.

The present invention proposes a picture restoration method, comprising: displaying a preset grayscale image, and photographing and displaying the preset grayscale image through an external image acquisition device; The Mura sub-display area in the area; according to the brightness of the Mura sub-display area, the compensation frame is inserted according to different frame insertion frequencies, so that the brightness of the Mura sub-display area approaches the brightness of each other sub-display area; between the Mura sub-display area and each When the brightness of other sub-display areas is the same, record the currently inserted compensation frame and frame insertion frequency, and store it as Mura compensation data. The invention also provides an electronic device and a computer-readable storage medium. The invention can improve the display effect of the electronic equipment.

The invention discloses a brightness control method and device of a display panel. The method comprises the following steps: acquiring multiple distribution sub-regions of the display panel and a pixel numerical value of each distribution sub-region, wherein each distribution sub-region is corresponding to an initial pixel compensation value; determining a pixel compensation coefficient corresponding to the pixel numerical value of each distribution sub-region; computing a target pixel compensation value corresponding to each distribution sub-region according to the initial pixel compensationvalue and the pixel compensation coefficient of each distribution sub-region; and adjusting the pixel output numerical value of each distribution sub-region of the display panel by utilizing the target pixel compensation value, thereby controlling the screen brightness of the display panel. The control method disclosed by the invention solves the technical problem that the watch of the user is uncomfortable since the uneven brightness phenomenon easily occurs in the display panel due to signal attenuation.

The invention provides a display substrate and a display device. A display area of the display substrate comprises a bending area and a non-bending area adjacent to the bending area. The display substrate comprises a substrate, a light-emitting layer located on the substrate and an auxiliary layer located on the light-emitting layer. The light-emitting layer comprises a plurality of sub-pixels anda plurality of compensation pixels located in the bending area, and the plurality of sub-pixels are arranged in the bending area and the non-bending area. The auxiliary layer comprises shading partsin one-to-one correspondence with the compensation pixels and light-transmitting parts adjacent to the shading parts; and when the display substrate is in an unfolded state, orthographic projections of the compensation pixels on the substrate fall into the orthographic projections of the corresponding shading parts on the substrate. When the display substrate is in an outward folding state, a distance between every two adjacent compensation pixels is less than the distance between every two corresponding shading parts, and at least parts of light emitted by the compensation pixels is emitted out through the light transmitting parts.

The embodiment of the invention provides a gamma adjusting method and device for a display panel, a driving chip and a display device, which are used for performing gamma adjustment on the display panel and improving the brightness uniformity of different areas in the display process of the display panel. The display panel comprises a first display area and a second display area; the display brightness of the display panel has a plurality of brightness levels. The method for performing gamma adjustment under any brightness level comprises the following steps: acquiring a plurality of binding point gray scales corresponding to a second display area; enabling the first display area and the second display area to be displayed in the same binding point gray scale in sequence; under each binding point gray scale, taking the brightness of the second display area under the current binding point gray scale as a reference to obtain regulation and control parameters, corresponding to the binding point gray scales, of the first display area; wherein the absolute value of the difference value between the brightness of the first display area under the regulation and control parameters and the brightness of the second display area under the current binding point gray scale is smaller than or equal to a preset value.

The embodiment of the invention discloses a gate driving circuit, a manufacturing method thereof, a driving method, an array substrate and a display device, relates to the technical field of display,and is used for solving the problem that the display brightness of each row of pixels of a heterogeneous display screen is difficult to be consistent. The gate driving circuit includes a to-be-compensated shift register unit of at least one stage, wherein the drive end of the to-be-compensated shift register unit of each stage is connected with a gate line corresponding to the row of to-be-compensated pixels, and is also connected with a power line through a parasitic compensation unit. The parasitic compensation unit is configured to compensate for the drive end of the corresponding to-be-compensated shift register unit with the parasitic capacitance and / or the parasitic resistance, so that the to-be-compensated shift register units of all stages have the same drive load. The gate drivingcircuit and the manufacturing method thereof, the driving method, the array substrate, and the display device provided by the embodiments of the invention are used for row driving of the heterogeneous display screen.

The invention provides a display control method, a feedback circuit, a display device and an IC (integrated circuit). The display device comprises a plurality of pixel units distributed in an arrayed manner, and common electrodes correspondingly connected with rows of the pixel units. The method comprises the steps of selecting the common electrodes of the two adjacent rows, collecting voltage of the common electrodes of the two adjacent rows, comparing the collected voltage of the common electrodes of the two adjacent rows, obtaining a comparison result, and when the comparison result meets a preset condition, compensating the input voltage of the pixel units corresponding to the common electrodes of the two adjacent rows according to the comparison result to allow the voltage applied to the pixel units of the two adjacent rows to be equal. After compensation, the voltage across the pixel units of the two adjacent rows is equal, the display brightness of the pixel units of the two adjacent rows is the same, and therefore, an across grain is avoided.

The present invention provides a scanning signal generation method and device, and a display device, and applied to the display technology field. The method comprises: providing conduction signals; providing turn-off signals, wherein the turn-off signals are controlled to jump to a preset voltage according to the type of a switching transistor in the black insertion phase of a pixel driving circuit; and generating scanning signals according to the conduction signals and the turn-off signals. In the black insertion phase, the turn-off signals are jumped to the preset voltage in a preset mode according to the type of the switching transistor so that even if the threshold voltage of the switching transistor generates negative drifting, the turn-off signals after jumping can turn off the switching transistor after the threshold voltage generates negative drifting to prevent charges in a capacitor from electric leakage through the switching transistor, allow the display brightness of electroluminescent cells to be consistent and avoid generation of cross color and splash screen phenomenons.

The invention discloses a driving method and a driving deice for a display panel. The driving method comprises steps of detecting the working state of the display panel and switching bias current in a data line driving circuit according to the working state of the display panel. By the above mode, the invention solves the problem that grid signals added on a data line are distorted due to electric leakage, enables the display brightness of the display panel to be consistent, and further improves the user experience.

The invention relates to a luminance compensation method of a dynamically driven scene sequence color liquid crystal display. In the dynamically driven scene sequence color liquid crystal display by a line-by-line scanning method, the scanning method of the dynamically driven scene sequence color liquid crystal display has an inverse sequence of line scanning in the two adjacent frame periods or carries out line scanning twice in a scanning interval of the same color in the same frame period with the inverse sequence. The invention can achieve the effect of basic conformity of display luminance and chrominance of the dynamically driven scene sequence color display.

The invention discloses a display panel. The display panel comprises a substrate which comprises a first display area, a second display area and a transition display area; a pixel limiting layer which comprises: a plurality of first pixel openings which are arranged in the first display area; the plurality of second pixel openings are arranged in the second display area; and a plurality of third pixel openings arranged in the transition display area; a plurality of first light emitting elements accommodated in the corresponding first pixel openings; a plurality of second light emitting elements accommodated in the corresponding second pixel openings; and a plurality of third light emitting elements accommodated in the corresponding third pixel openings. The area of the second pixel opening is smaller than the area of the first pixel opening; the area difference between the third pixel opening and the second pixel opening is smaller than the area difference between the third pixel opening and the first pixel opening. According to the display panel provided by the embodiment of the invention, the display effect difference between the transition display area and the second display area is reduced, and the consistency of the display effect of the display panel is improved to a certain extent.

The invention relates to a display device including a display panel, a scan signal driving module, and a data signal driving module. The display panel includes a scan line, a plurality of data lines,and a plurality of pixel units. The scan line includes 2n pairs of first scan lines and a plurality of pairs of second scan lines; a plurality of data lines are arranged in a column direction; a plurality of pixel units are disposed between each pair of second scan lines and arranged in a matrix mode; each adjacent two columns of pixel units share one data line, adjacent pixel units of the same row are connected to different scan lines, the pixel units with one pixel unit interval for each other in the same row are connected to the same scan line, the scan signal driving module is configured to simultaneously input a scan pulse signal to the Nth scan line and the N+4nth scan line; the data signal driving module is configured to input a square wave data signal to the data line, the pixel unit connected to the Nth+4n scan line is pre-charged, and the vertical bright line on the display panel is improved.

A light emitting diode display module includes a circuit board with a plurality of light emitting diodes, a bracket with a plurality of grids, and a light conductive panel that includes a plurality of light conductive portions in the grids and in a one-to-one correspondence with the plurality of light emitting diodes, a height of one of the light conductive portions being lower than a height of another light conductive portion, a covering film arranged on the surface of the light conductive panel, and light transmitting portions for displaying information on the covering film at positions corresponding with the plurality of light conductive portions.

The invention relates to an array substrate and a display mother board. The array substrate is provided with a storage capacitor circuit. The array substrate is provided with a first area and a secondarea, and the second area is located on an edge of the array substrate and surrounds the first area. The storage capacitor circuit comprises a first capacitor circuit and a second capacitor circuit,the first capacitor circuit comprises a plurality of first storage capacitors and is located in the first area, the second capacitor circuit comprises a plurality of second storage capacitors and is located in the second area, and capacitances of the first storage capacitors are greater than the capacitances of the second storage capacitors. In the invention, each sub-pixel with relatively low display brightness in the second area can be compensated so that the brightness of each sub-pixel is consistent with the brightness of each sub-pixel in the first area, and display quality is further improved.

The embodiment of the invention provides a display panel and a display device. A first sub-pixel in the display panel comprises a first pixel electrode, a second sub-pixel comprises a second pixel electrode, and a third sub-pixel comprises a pair of third pixel electrodes; in the same row, the extending directions of the first branch electrodes which are parallel to one another and are electrically connected are different from the extending directions of the second branch electrodes which are parallel to one another and are electrically connected, and the first branch electrodes and the secondbranch electrodes are in mirror symmetry about the column direction; in the same column, the first branch electrodes of any two adjacent first pixel electrodes are in mirror symmetry with respect tothe row direction, and the second branch electrodes of any two adjacent second pixel electrodes are in mirror symmetry with respect to the row direction; and a plurality of third branch electrodes which are parallel to one another and are electrically connected and a plurality of fourth branch electrodes which are parallel to one another and are electrically connected in the third pixel electrodeextend in different directions and are in mirror symmetry about the row direction.

The invention relates to a display device. A display panel comprises scanning lines, data lines, pixel units and active array switches. The scanning lines comprise 2n pairs of first scanning lines anda plurality of pairs of second scanning lines; The active array switches comprise first active array switches and second active array switches; The drain electrode of each first active array switch is connected with a corresponding pixel unit arranged between each pair of first scanning lines, the grid electrode of each first active array switch is connected with a corresponding first scanning line, and the source electrode of each first active array switch is connected with a data line; The drain electrode of each second active array switch is connected with a corresponding pixel unit arranged between each pair of second scanning lines, the grid electrode of each second active array switch is connected with a corresponding second scanning line, and the source electrode of each first active array switch is connected with a data line; The ratio of the channel width to the channel length of the first active array switch is greater than the ratio of the channel width to the channel length of the second active array switch.

The invention relates to a display panel driving method and a display device. The display device comprises a display panel, a scanning signal driving module, and a data signal driving module, whereinthe display panel comprises scanning lines, a plurality of data lines, and a plurality of pixel units; the scanning lines comprise 2n pairs of first scanning lines and a plurality of pairs of second scanning lines; each pixel unit comprises a plurality of first pixel units and a plurality of second pixel units, each first pixel unit is arranged between each pair of first scanning lines, each second pixel unit is arranged between each pair of second scanning lines, and the width of the first pixel units is greater than the width of the second pixel units; the scanning signal driving module is configured to input scanning pulse signals to the scanning line connected with the N-th pixel unit and the scanning line connected with the (N+4n)-th pixel unit simultaneously; and the data signal driving module is configured to input square wave data signals to the data lines, so as to charge the N-th pixel unit and the (N+4n)-th pixel unit sharing one data line.

The invention provides a pixel driving circuit, a display device and a driving method of the pixel driving circuit. The pixel driving circuit comprises a plurality of pairs of scanning lines and a plurality of pixel units; the plurality of pairs of scanning lines are arranged along a row direction, and the plurality of pixel units are arranged between each pair of scanning lines and are arranged in a matrix; the colors of the pixel units in the matrix column direction are the same; the pixel units in the row direction of the matrix comprise a first color pixel unit, a second color pixel unit and a third color pixel unit; the first scanning line in each pair of scanning lines is correspondingly connected with the first color pixel unit, and the second scanning line in each pair of scanning lines is correspondingly connected with the second color pixel unit. The first color pixel units with high distinguishing capability of human eyes share the first scanning line, and the second color pixel units with high distinguishing capability of human eyes share the second scanning line, so the display brightness corresponding to the pixels is consistent, and vertical bright and dark fringes are eliminated.

The present application relates to an array substrate and a display motherboard. The array substrate is provided with a storage capacitor circuit. The array substrate has a first area and a second area, and the second area is located at the edge of the array substrate and surrounds the first area. The storage capacitor circuit includes a first capacitor circuit and a second capacitor circuit. The first capacitor circuit includes a plurality of first storage capacitors and is located in the first area. The second capacitor circuit includes a plurality of second storage capacitors and is located in the second area. The first capacitor circuit includes a plurality of second storage capacitors and is located in the second area. The capacitance of the storage capacitor is greater than that of the second storage capacitor. The present application can compensate the sub-pixels located in the second area with low display brightness, so that the brightness thereof is consistent with the brightness of the sub-pixels located in the first area, thereby improving the display quality.

The present application relates to the field of display technology, in particular, to a pixel charging method, a pixel charging circuit, a display device, and a display control method. The pixel charging method includes: obtaining the state of the backlight source; adjusting the charging time of the sub-pixel corresponding to the backlight source according to the state of the backlight source, wherein: when the backlight source is in the on state, the same as the The charging time of the sub-pixels corresponding to the backlight is the first charging time; when the backlight is in the off state, the charging time of the sub-pixels corresponding to the backlight is the second charging time, and the second charging time is less than The first charging time. This solution can improve the uniformity of display images.

The embodiment of the invention provides a display panel, a manufacturing method of the display panel and electronic equipment, the display panel comprises a bending display area, the bending display area is provided with a bending axis, a plurality of first thin film transistors are arranged on the bending display area, each first thin film transistor comprises a first source electrode and a first drain electrode, and the first source electrode is arranged on the bending axis. A first conducting channel is formed between the first source electrode and the first drain electrode of each first thin film transistor, and the included angle between the direction of the first conducting channel and the bending axis is smaller than 90 degrees; wherein the total length of each part of the first conducting channel in the direction of the first conducting channel is greater than the total length of each part of the first conducting channel in any other direction. According to the display panel, the display brightness difference between the bending display area and the non-bending display area can be reduced.

Embodiments of the present invention provide a display panel and a display device. In the display panel, a first subpixel includes a first pixel electrode, a second subpixel includes a second pixel electrode, and the third subpixel includes a pair of third pixel electrodes; the same In the row, the extending direction of the plurality of mutually parallel and electrically connected first branch electrodes of the first pixel electrode is different from the extending direction of the plurality of mutually parallel and electrically connected second branch electrodes of the second pixel electrode, and the first branch electrodes have different extending directions. The electrodes and the second branch electrodes are mirror-symmetrical with respect to the column direction; in the same column, the first branch electrodes of any two adjacent first pixel electrodes are mirror-symmetrical with respect to the row direction, and the first branch electrodes of any adjacent two second pixel electrodes are mirror-symmetrical with respect to the row direction. The two branch electrodes are mirror-symmetrical with respect to the row direction; in the third pixel electrode, a plurality of mutually parallel and electrically connected third branch electrodes and a plurality of mutually parallel and electrically connected fourth branch electrodes have different extension directions and are mirror-symmetrical with respect to the row direction.

The invention discloses a liquid crystal display device and a driving method of a backlight module thereof. The liquid crystal display device includes a display panel and a backlight module. The backlight module includes a first light source, a second light source and a driving circuit. When the liquid crystal display device is in the normal display mode, the driving circuit drives the first light source so that the backlight module provides the first backlight to the display panel. When the liquid crystal display device switches to the black insertion display mode, the driving circuit simultaneously drives the first light source and the second light source so that the backlight module provides mixed backlight to the display panel. The color temperature and brightness of the mixed backlight are different from the color temperature and brightness of the first backlight, so that the display color temperature and display brightness of the liquid crystal display device in the black insertion display mode are substantially equal to the display color temperature and display brightness of the liquid crystal display device in the normal display mode. Display brightness.

The invention relates to a display device including a display panel, a scan signal driving module, and a data signal driving module. The display panel includes a scan line, a plurality of data lines,and a plurality of pixel units. The scan line includes 2n pairs of first scan lines and a plurality of pairs of second scan lines; a plurality of data lines are arranged in a column direction; a plurality of pixel units are disposed between each pair of second scan lines and arranged in a matrix mode; each adjacent two columns of pixel units share one data line, adjacent pixel units of the same row are connected to different scan lines, the pixel units with one pixel unit interval for each other in the same row are connected to the same scan line, the scan signal driving module is configured to simultaneously input a scan pulse signal to the Nth scan line and the N+4nth scan line; the data signal driving module is configured to input a square wave data signal to the data line, the pixel unit connected to the Nth+4n scan line is pre-charged, and the vertical bright line on the display panel is improved.

The embodiments of the present disclosure disclose a gate driving circuit. The gate driving circuit includes at least one stage of shift register unit to be compensated, wherein a driving terminal of each stage of shift register unit to be compensated is connected to a gate line of a corresponding row of pixels to be compensated, and at least one stage of parasitics compensation circuit, wherein each stage of parasitics compensation circuit is connected in series between a power supply line and a driving terminal of a corresponding shift register unit to be compensated. Each stage of parasitics compensation circuit is configured to compensate a driving terminal of a corresponding shift register unit to be compensated for parasitic capacitance and / or parasitic resistance, so that respective stages of shift register units to be compensated have the same driving load.

The invention provides a source driver, a driving system, a liquid crystal display device and a correction method thereof, relates to the technical field of display and can improve the display effectof the liquid crystal display device. The source driver comprises a plurality of driving units, wherein the driving unit is connected with a data input end, a data voltage output end and at least twocontrol ends; the driving unit is configured to output an analog data voltage through the data voltage output end according to a data signal input by the data input end; and moreover, under the control of the control signals input by the at least two control ends, the data voltage output end outputs different output impedances.

The invention provides a display panel and a display device. The display panel comprises a first substrate and a second substrate, the first substrate and the second substrate are oppositely combinedto form an oppositely combined gap, and the oppositely combined gap is filled with liquid crystal; the first substrate comprises a first base, and a first electrode, an insulating layer and a plurality of second electrodes which are sequentially stacked on the side, close to the second substrate, of the first base; each second substrate comprises a second base and a plurality of third electrodes arranged on the side, close to the first substrate, of the second base; the orthographic projections of the third electrodes on the first substrate and the orthographic projections of the second electrodes on the first substrate are alternately arranged. According to the display panel, the phenomenon of severe light and shade lines during display is improved, and the light transmittance during narrow-viewing-angle display is improved, so that the display brightness is improved, and the display effect is improved.