A device includes a polymer stabilized blue phase liquid crystal (“PS-BPLC”) layer. The device also includes an alignment structure coupled with the PS-BPLC layer. LC molecules disposed in contact with the alignment structure are configured to have a spatially varying in-plane orientation pattern that is at least partially defined by the alignment structure. The PS-BPLC layer is configured to forwardly deflect a polarized light having a predetermined handedness, and transmit a polarized light having a handedness that is orthogonal to the predetermined handedness.

Provided is a liquid crystal display device and a method for operating the liquid crystal display device. In the liquid crystal display device including a plurality of pixels, one pixel of the plurality of pixels includes a first sub pixel and a second sub pixel, which are adjacent to each other. The one pixel includes a first substrate, a first electrode provided on the first substrate, metamaterial layers provided on the first electrode, wherein the metamaterial layers include a first metamaterial layer within the first sub pixel and a second metamaterial layer within the second sub pixel, a liquid crystal layer provided on the first and second metamaterial layers, a second electrode provided on the liquid crystal layer, and a second substrate provided on the second electrode. The first and second metamaterial layers include metamaterials having properties different from each other, respectively.

A device includes a polymer stabilized blue phase liquid crystal (“PS-BPLC”) layer. The device also includes an alignment structure coupled with the PS-BPLC layer. LC molecules disposed in contact with the alignment structure are configured to have a spatially varying in-plane orientation pattern that is at least partially defined by the alignment structure. The PS-BPLC layer is configured to forwardly deflect a polarized light having a predetermined handedness, and transmit a polarized light having a handedness that is orthogonal to the predetermined handedness.

The display apparatus includes a data generation circuit, a source driver circuit, and a pixel. The source driver circuit is electrically connected to the pixel through first and second wirings. The pixel includes a display device that is a liquid crystal device, a potential of one electrode of the display device can be a potential of the first wiring, and a potential of the other electrode of the display device can be a potential of the second wiring. The image data generation circuit has a function of generating digital image data including first and second data. One of the first and second wirings is made to have a potential corresponding to first data, and the other of the first and second wirings is made to have a potential corresponding to the second data. The potential of the first wiring and the potential of the second wiring are interchanged.

An array substrate and a liquid crystal display panel thereof. The array substrate includes a substrate having a plurality of pixel regions arranged in an array. Each of the pixel regions (120a) includes: a first electrode, a second electrode, an insulation protrusion, and a reflection electrode. An electric field is fit to form between the second electrode and the first electrode, and an electric field is also fit to form between the reflection electrode and the second electrode. The second electrode includes a slit electrode, which includes a plurality of slit portions and a plurality of electrode portions each arranged between adjacent slit portions. The electrode portion at least includes a first strip-shaped portion and a second strip-shaped portion. An extension direction of the first strip-shaped portion intersects with that of the second strip-shaped portion, and the first strip and second strip-shaped portions of each electrode portion are connected at a corresponding bending portion. For orthographic projections in a plane where the substrate is located, bending portions of the second electrode and the reflection electrode are located within the insulation protrusion.

A display apparatus in which a high voltage can be supplied to a display device is provided. The display apparatus includes a data generation circuit, a source driver circuit, and a pixel. The source driver circuit is electrically connected to the pixel through first and second wirings functioning as signal lines. The pixel includes a display device that is a liquid crystal device, a potential of one electrode of the display device can be a potential of the first wiring, and a potential of the other electrode of the display device can be a potential of the second wiring. The image data generation circuit has a function of generating digital image data including first and second data. In the case where image data corresponding to the digital image data is supplied to the pixel, one of the first and second wirings is made to have a potential corresponding to first data, and the other of the first and second wirings is made to have a potential corresponding to the first data. The potential of the first wiring and the potential of the second wiring are interchanged so that frame inversion driving or the like can be performed.

An array substrate and a liquid crystal display panel thereof. The array substrate includes a substrate having a plurality of pixel regions arranged in an array. Each of the pixel regions (120a) includes: a first electrode, a second electrode, an insulation protrusion, and a reflection electrode. An electric field is fit to form between the second electrode and the first electrode, and an electric field is also fit to form between the reflection electrode and the second electrode. The second electrode includes a slit electrode, which includes a plurality of slit portions and a plurality of electrode portions each arranged between adjacent slit portions. The electrode portion at least includes a first strip-shaped portion and a second strip-shaped portion. An extension direction of the first strip-shaped portion intersects with that of the second strip-shaped portion, and the first strip and second strip-shaped portions of each electrode portion are connected at a corresponding bending portion. For orthographic projections in a plane where the substrate is located, bending portions of the second electrode and the reflection electrode are located within the insulation protrusion.

A liquid crystal display (LCD) device and an organic light-emitting diode (OLED) display device are disclosed. The LCD device includes a base substrate, a display module, and a liquid crystal lens layer. The display module includes a fingerprint recognition sensor. The OLED display device includes a base substrate, a fingerprint recognition sensor, a two-layered liquid crystal lens layer, and an OLED display. The liquid crystal lens layer is configured to be switchable between a non-lens state and a lens state. By adopting liquid crystal lenses with holes, utilization of reflected light reflected by a fingerprint can be improved and imaging quality can be optimized.

An optical film can be used in a display panel as a viewing angle diffusion film. The optical film includes a first electrode layer, an isotropic optical material layer, a liquid crystal material layer and a second electrode layer that are stacked. A plurality of groove structures are disposed on the isotropic optical material layer, and each of the groove structures is filled with the liquid crystal material layer.

Disclosed are a display panel, a method for controlling a display panel, and a display device. The display panel includes a light-emitting substrate and an optical modulation structure which are laminated; and the optical modulation structure supports a first state and a second state which are switchable. In the first state of the optical modulation structure, a first light-emitting unit forms an image at a first position. In the second state of the optical modulation structure, the first light-emitting unit forms an image at a second position. According to the present disclosure, with the optical modulation structure, each light-emitting unit is enabled to form two images at different positions in different states. In this way, the state of the optical modulation structure can be continuously switched without increasing the number of light-emitting units, thereby improving a display effect of the display panel.