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

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 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 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.

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 relates to a display device, which comprises a display panel, a scanning signal driving module and a data signal driving module. The display panel comprises scanning lines, a plurality of data lines, pixel units and a black matrix, wherein the scanning lines comprise 2n pairs of first scanning lines and a plurality of pairs of second scanning lines; the pixel units are arranged between each pair of the scanning lines and are arranged in a matrix; the black matrix comprises a first black matrix and a second black matrix, wherein the first black matrix is arranged around each pixelunit between the each pair of the first scanning lines, and the second black matrix is arranged around the each pixel unit between the each pair of the second scanning lines; and a width of the firstblack matrix is smaller than the width of the second black matrix. The scanning signal driving module is used for simultaneously inputting scanning pulse signals to the scanning lines connected witha Nth pixel unit and the scanning lines connected with a Nth+4n pixel unit, and the data signal driving module is used for inputting square wave data signals to the data lines, so that vertical brightand dark lines on the display panel are improved.

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.