40results about How to "Consistent display brightness" patented technology

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 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 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 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 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.

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.