The disclosure discloses a manufacturing method of a liquid crystal display grating. The method includes preparing a substrate, depositing a transparent film layer on the substrate, patterning the transparent film layer for producing a plurality of containing grooves, depositing a liquid crystal alignment film in the containing grooves, injecting liquid crystal molecules in the containing grooves, aligning and packaging the liquid crystal molecules. The disclosure can achieve 3D display by the method above.

An electronic device includes a backlight module, a display panel disposed on the backlight module, a viewing angle adjusting unit disposed on the backlight module, and a retardation structure disposed on the backlight module. The viewing angle adjusting unit includes a first viewing angle adjusting subunit and a second viewing angle adjusting subunit, and the first viewing angle adjusting subunit is disposed between the backlight module and the second viewing angle adjusting subunit.

According to various exemplary embodiments, there may be provided an electronic device including a housing having a first area facing a first direction and a second area facing a second direction, wherein the housing includes a window formed on at least one portion of the first area, a display module disposed between the window and the second area, a light converting member disposed between the window and the second area and configured to transmit light emitted from the display module in the first direction by at least partially converting a wavelength of the light reflected in the second direction by an external object of the housing, and an optical sensor disposed between the light converting member and the second area, wherein the optical sensor is configured to detect the object by using the light of which the wavelength is converted. Other various exemplary embodiments are also possible.

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 panel and a display device are provided. The display panel includes a substrate. The substrate includes a display area in the middle of the substrate and a wiring area around the display area. A refractive device is disposed on the front side of the substrate to refract light from the display area and the wiring area and so partially or totally prevent the wiring area from being seen.

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.

The present disclosure discloses a polarizer and a liquid crystal display device, comprising: a first protective layer (1); a polarizing layer (2), wherein the first protective layer is located on one layer surface of the polarizing layer; and a second protective layer (3) located on another layer surface of the polarizing layer; wherein at least one of the first protective layer (1) and the second protective layer (3) has a porous structure.

A display module includes a display panel including two substrates and a display medium sandwiched between the two substrates, a wavelength modulation unit including a carrier substrate and a wavelength modulation layer on the carrier substrate, the carrier substrate having a coefficient of thermal expansion substantially matching coefficients of thermal expansion of the two substrates, an adhesive layer bonding the display panel and the wavelength modulation unit to form a space between the display panel and the wavelength modulation unit, and an optical film interposed in the space to be clamped between the display panel and the wavelength modulation unit.

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 multi-display system (e.g., a display including multiple display panels) includes at least first and second displays (e.g., display panels or display layers) arranged substantially parallel to each other in order to display three-dimensional (3D) features to a viewer(s). The first and second displays have different color filter patterns, respectively, as viewed from a point of view of a viewer of the display device, in order to reduce moir interference.