Pixel unit, display substrate, display panel, and display device

A display substrate for forming a liquid crystal display panel aligned with another substrate;

• wherein the liquid crystal display panel comprises a pixel unit comprising slit electrodes each having a slit;
• wherein the pixel unit comprises at least two sub-pixels corresponding to different colors, each pixel comprises n domain areas arranged along a first direction, n is a positive integer greater than or equal to 2, extension directions of slits of the slit electrodes in any two adjacent domain areas in the n domain areas of the pixel unit are different, an acute angle between an extension direction of the slit in each domain area and a second direction is a predetermined angle, wherein the predetermined angle is greater than or equal to 35° and less than 45°, and the second direction intersects with the first direction, the display substrate comprises a first electrode, the another substrate comprises a second electrode, and at least one of the first electrode and the second electrode corresponding to each domain area has the slit;
• wherein
• each slit electrode comprises a plurality of branch electrodes arranged parallel to each other and spaced apart in each domain area, an inter-domain main electrode extending along the second direction is provided between two adjacent domain areas, and the branch electrodes in two adjacent domain areas are in mirror symmetry with respect to the inter-domain main electrode;
• wherein
• each domain area comprises a first side and a second side opposite to each other in the first direction, and the plurality of domain areas comprise a first domain area, a second domain area . . . and an nth domain area arranged sequentially from the first side to the second side, wherein a slit of the first domain area extends to a boundary of the first side such that the boundary of the first side forms a non-closed structure in which a plurality of the slits and a plurality of the branch electrodes are interleaved.

A display panel, comprising:

• a pixel unit, comprising slit electrodes each having a slit;
• wherein the pixel unit comprises at least two sub-pixels corresponding to different colors, each of the pixels comprises n domain areas arranged along a first direction, n is a positive integer greater than or equal to 2, extension directions of the slits of the slit electrodes in any two adjacent domain areas in the n domain areas of the pixel unit are different, an acute angle between an extension direction of the slit in each domain area and a second direction is a predetermined angle, the predetermined angle is greater than or equal to 30° and less than 45°, and the second direction intersects with the first direction;
• an array substrate, comprising a first substrate, a first alignment film located on the first substrate, and a pixel electrode located on a side of the first alignment film away from the first substrate;
• a color film substrate, comprising a second substrate, a second alignment film located on the second substrate, and a common electrode located on a side of the second alignment film away from the second substrate;
• and
• a liquid crystal molecule located between the array substrate and the color film substrate;
• wherein alignment force of the first alignment film and/or the second alignment film is used to cause liquid crystal molecules to have different predetermined tilt angles in each domain area;
• wherein
• each slit electrode comprises a plurality of branch electrodes arranged parallel to each other and spaced apart in each domain area, an inter-domain main electrode extending along the second direction is provided between two adjacent domain areas, and the branch electrodes in two adjacent domain areas are in mirror symmetry with respect to the inter-domain main electrode;
• wherein
• each domain area comprises a first side and a second side opposite to each other in the first direction, and the plurality of domain areas comprise a first domain area, a second domain area . . . and an nth domain area arranged sequentially from the first side to the second side, wherein a slit of the first domain area extends to a boundary of the first side such that the boundary of the first side forms a non-closed structure in which a plurality of the slits and a plurality of the branch electrodes are interleaved.