A liquid crystal module which is disposed opposite a backlight includes: a first liquid crystal panel which includes a pair of first transparent substrates; a second liquid crystal panel which is disposed between the backlight and the first liquid crystal panel and includes a pair of second transparent substrates; and a diffuser sheet disposed therebetween. A first transparent substrate that is closer to the diffuser sheet among the pair of first transparent substrates is thinner than a second transparent substrate that is closer to the diffuser sheet among the pair of second transparent substrates.

A holographic weapon sight has a housing with a viewing end and an opposing target end, a viewing path being defined from the viewing end to the target end. A light source energized by a power source projects a light beam along a path onto a liquid crystal cell module. A power controller in communication with the power source is operable to adjust the brightness of the light beam from the light source. The liquid crystal cell module is operable to rotate and polarize the light beam to further adjust the brightness of the light beam. The light beam from the liquid crystal cell module illuminates a holographic optical element (HOE) that reconstructs an image of a reticle.

A display device includes a first translucent substrate, a second translucent substrate that is disposed on a display surface side while opposed to the first translucent substrate, and a first light reduction unit that reduces a transmission amount of visible light while overlapping a bright point defect portion in planar view in at least one of the first translucent substrate and the second translucent substrate. The first light reduction unit has a circular shape including a first region disposed in a center and a second region disposed around the first region, and transmittance to the visible light in the first region is higher than transmittance to the visible light in the second region.

A display device is disclosed, which includes: a first substrate having a first hole and a second hole; and a circuit layer disposed at one side of the first substrate, wherein the first hole has a first width, the second hole has a second width, and a ratio of the second width to the first width is within a range between 20 and 4000.

A mirror display module including a first substrate, pixel units, a second substrate, a display medium layer, a reflection pattern, a third substrate, an electrochromic material layer, a first transparent electrode, and a second transparent electrode is provided. The pixel units are disposed on the first substrate. The second substrate is disposed opposite to the first substrate. The display medium layer is located between the first substrate and the second substrate. The reflection pattern is located between the second substrate and the display medium layer. The reflection pattern has a plurality of openings, and the plurality of openings is overlapped with at least a portion of the plurality of pixel units. The second substrate is located between the third substrate and the first substrate. The electrochromic material layer is located between the third substrate and the second substrate. The first transparent electrode is located between the third substrate and the electrochromic material layer. The second transparent electrode is located between the electrochromic material layer and the second substrate.

A display substrate, a display panel, and a display device are provided. The display substrate includes a substrate body capable of transmitting light and a cover layer arranged on the substrate body to form a predetermined pattern, a plurality of pixel unit spaces are in the predetermined pattern. Light incident from a side of the substrate body to the cover layer is concentrated inside the cover layer and transmitted, and passes through the cover layer in a first direction, an angle between the first direction and a preset plane is less than a preset angle, the preset plane is parallel to the substrate body, the preset angle is less than 90 degrees.

Examples are disclosed relating to reducing orders of diffraction patterns in phase modulating devices. An example phase modulating device includes a phase modulating layer having first and second opposing sides, a common electrode adjacent the first side of the phase modulating layer, a plurality of pixel electrodes adjacent the second side of the phase modulating layer, and blurring material disposed between the phase modulating layer and the pixel electrodes. In the example phase modulating device, the blurring material is configured to smooth phase transitions in the phase modulating layer between localized areas associated with the pixel electrodes, the pixel electrodes have a pixel pitch by which the pixel electrodes are distributed along the phase modulating layer, and the pixel electrodes are separated from one another by an inter-pixel gap, where the ratio of the inter-pixel gap to the pixel pitch is between 0.50 and 1.0.

A spatial light modulator (100) comprises a liquid crystal material (104), first and second electrodes (106, 108) disposed on opposing sides of the liquid crystal material (104), and a diffractive optical element (120) disposed between the electrodes (106, 108) and extending laterally across the modulator (100). The diffractive optical element (120) comprises an array of diffracting formations (122) formed from sub-wavelength structures. The array of diffracting formations (122) defines a phase profile adapted to modify the incident wavefront of light reflected off the second electrode and to apply a position-dependent wavefront correction to the incident wavefront of light.

The disclosure discloses an array substrate, a method for fabricating the same, a liquid crystal display panel, and a display device, where the array substrate includes: a base substrate; a convex component located on the base substrate; a reflection layer overlying the convex component; a thin film transistor located above a film layer at which the reflection layer is located; a pixel electrode located above a film layer at which the thin film transistor is located; and a planarization layer located between the pixel electrode and the reflection layer.

A display device and a controlling method are disclosed to achieve peep-proof effect while increasing utilization rate of light. The display device includes a display panel including a first substrate, a second substrate and a plurality of display units, wherein a first light source is disposed on one side of the first substrate; light emitted by the first light source is incident onto the first substrate and propagated in the first substrate in a manner of total reflection; and a light adjusting structure is disposed on a surface of the first substrate close to the second substrate, and is configured to reduce a divergence angle of light emitted by each of the display units of the display panel.