The present disclosure provides a method, a device, a system, and a display device for adjusting a luminance viewing angle of a liquid crystal display panel. The method obtains an actual value of a luminance viewing angle corresponding to a current image, adjusts a positive and negative polarity driving voltage when the actual value is less than a threshold value to obtain a relational expression between the positive and negative polarity driving voltage and the luminance viewing angle, processes a difference value between the actual value and the threshold value to obtain a target driving voltage value, and adjusts the positive and negative polarity driving voltage according to the target driving voltage value, thereby realizing adjustment of the luminance viewing angle.

An array substrate and a display panel are provided. The array substrate includes a plurality of sub-pixels, and each sub-pixel includes four thin film transistors. The array substrate further includes a gate line, a data line, and a divided voltage line. In the present invention, a channel aspect ratio of second thin film transistor is greater than a channel aspect ratio of the first thin film transistor and a channel aspect ratio of third thin film transistor, and a drain of a fourth thin film transistor is electrically connected to the divided voltage line, such that the display panel has a wider viewing angle.

Techniques for holographic display by modulating optical images in amplitude and phase via a layer of liquid crystals are described. According to one aspect of the techniques, a voltage being applied or coupled across the layer of liquid crystals is controlled by gradually increasing the voltage from a low level to a high level to perform the AM in a first range and the PM in second range, where the characteristics of the liquid crystals is significant, for example, by increasing the thickness or optical birefringence of the layer of liquid crystals.

A display panel, a display device and a driving method for a display panel are provided. The display panel includes multiple pixel units and a display control unit. Each of the pixel units includes a first color pixel, a second color pixel and a third color pixel. The first color pixel, the second color pixel and the third color pixel each include a first sub-pixel, a second sub-pixel and a third sub-pixel. The display control unit includes a first controller, a second controller and a third controller. By means of combining three kinds of gramma curves e.g., first through third gamma curves and taking a 4-domain pixel structure as a basis, a display effect based on a 12-domain pixel structure can be realized, so that the color shift problem in side view of the display panel can be significantly improved.

To improve viewing angle characteristics by varying voltage which is applied between liquid crystal elements. A liquid crystal display device in which one pixel is provided with three or more liquid crystal elements and the level of voltage which is applied is varied between the liquid crystal elements is varied. In order to vary the level of the voltage which is applied between the liquid crystal elements, an element which divides the applied voltage is provided. In order to vary the level of the applied voltage, a capacitor, a resistor, a transistor, or the like is used. Viewing angle characteristics can be improved by varying the level of the voltage which is applied between the liquid crystal elements.

Techniques for holographic display by modulating optical images in amplitude and phase via a layer of liquid crystals are described. According to one aspect of the techniques, a voltage being applied or coupled across the layer of liquid crystals is controlled by gradually increasing the voltage from a low level to a high level to perform the AM in a first range and the PM in second range, where the characteristics of the liquid crystals is significant, for example, by increasing the thickness or optical birefringence of the layer of liquid crystals.

A display panel and a method of driving a display panel are provided. The display panel includes at least one display subpixel. The display subpixel includes a first display region located at a middle part of the display subpixel and a second display region located at a peripheral part of the display subpixel in a first direction; and the display subpixel is configured to enable brightness of the second display region to be greater than brightness of the first display region in a case of displaying an image.

A display device performs a comparison process of comparing first adjusted image data and second adjusted image data. The first adjusted image data is adjusted image data obtained by a first image adjustment element performing an image adjustment process on image data to be processed. The second adjusted image data is adjusted image data obtained by a second image adjustment element performing the image adjustment process on the image data to be processed.

A display panel, and a method and a device for pixel compensation thereof are provided. The method includes receiving a signal of a frame of image, obtaining grayscale compensation data, and compensating the grayscale data. In the image in a same frame, polarities of grayscale compensation data of two adjacent sub-pixels are opposite. In a time period unit, respective polarities of high grayscale compensation data and low grayscale compensation data of each of the sub-pixels remain symmetrical.

To improve viewing angle characteristics by varying voltage which is applied between liquid crystal elements. A liquid crystal display device in which one pixel is provided with three or more liquid crystal elements and the level of voltage which is applied is varied between the liquid crystal elements is varied. In order to vary the level of the voltage which is applied between the liquid crystal elements, an element which divides the applied voltage is provided. In order to vary the level of the applied voltage, a capacitor, a resistor, a transistor, or the like is used. Viewing angle characteristics can be improved by varying the level of the voltage which is applied between the liquid crystal elements.