Abstract: A peep-proof device, a display device and a method for driving the display device are provided. The peep-proof device includes at least one light beam adjustment layer. The light beam adjustment layer includes: a transparent base layer and a plurality of grooves formed in a surface of the transparent base layer; and a liquid crystal layer arranged within the plurality of grooves. A refractive index of the transparent base layer is same as a refractive index of the liquid crystal layer to ordinary light beam.

Abstract: An array substrate carrying a display area and a camera area surrounded by the display area provides connections to both areas free of electrical interference. The camera area includes a transparent area and a routing area surrounding the transparent area. The array substrate includes a first conductive layer and a second conductive layer. The first conductive layer includes first wires and first capacitance compensation patterns. The second conductive layer includes second wires. Each first capacitance compensation pattern is between adjacent first wires. Along a thickness direction of the array substrate, a projection of each first capacitance compensation pattern on the substrate overlaps with a projection of at least one second wire. A display panel and a display device are also disclosed.

Abstract: A display panel including a plurality of sub-pixel repeating units is provided. The sub-pixel repeating units are repeatedly arranged on the display panel. Each of the sub-pixel repeating units includes at least one first color sub-pixel and at least one second color sub-pixel. On the display panel, the adjacent first color sub-pixels form a first polygon, and the adjacent second color sub-pixels form a second polygon. The area of the first polygon is at least twice the area of the second polygon.

Abstract: A privacy display comprises a spatial light modulator and a compensated switchable liquid crystal retarder arranged between first and second polarisers arranged in series with the spatial light modulator. In a privacy mode of operation, on-axis light from the spatial light modulator is directed without loss, whereas off-axis light has reduced luminance. The visibility of the display to off-axis snoopers is reduced by means of luminance reduction over a wide polar field. In a wide angle mode of operation, the switchable liquid crystal retardance is adjusted so that off-axis luminance is substantially unmodified.

Abstract: Provided is a light transmissive-type liquid crystal display device including a first substrate, a second substrate, and a liquid crystal layer, wherein the first substrate includes a base member, a wiring, a switching element, a pixel electrode, and a first insulator having translucency, the first insulator overlapping in the plan view with the wiring and being arranged between the base member and the pixel electrode, a second insulator having translucency, the second insulator overlapping in the plan view with the pixel electrode and being arranged between the base member and the pixel electrode to be in contact with the first insulator, the second insulator having a refractive index higher than a refractive index of the first insulator, and a light-shielding body provided along an outer periphery of a surface of the second insulator on the base member side, the light-shielding body being arranged in contact with the second insulator.

Abstract: There is provided a laser processing device that includes a laser light source configured to output laser light, a spatial light modulator configured to modulate the laser light output from the laser light source according to a phase pattern and emit the modulated laser light, an objective lens configured to converge the laser light emitted from the spatial light modulator onto an object, a controller configured to control a phase pattern to be displayed on the spatial light modulator, and a determiner configured to determine whether operation of the spatial light modulator is normal, in which the controller performs switching control in which the phase pattern to be displayed on the spatial light modulator is switched, and the determiner makes the determination on the basis of a change in intensity of the laser light emitted from the spatial light modulator between before the switching control and after the switching control.

Abstract: A privacy display comprises a spatial light modulator and a compensated switchable liquid crystal retarder arranged between first and second polarisers arranged in series with the spatial light modulator. In a privacy mode of operation, on-axis light from the spatial light modulator is directed without loss, whereas off-axis light has reduced luminance. The visibility of the display to off-axis snoopers is reduced by means of luminance reduction over a wide polar field. In a wide angle mode of operation, the switchable liquid crystal retardance is adjusted so that off-axis luminance is substantially unmodified.

Abstract: A liquid crystal (LC) device includes an optical stack arrangement including from the viewing side: a first electrode component; a first LC alignment layer; an LC layer; a second LC alignment layer; and a second electrode component. A voltage is applied to the LC device to create a potential difference between the first and second electrode components to switch an alignment of liquid crystals of selected portions of the LC layer from a first state when no voltage is applied to a second state when the voltage is applied. The first and second LC alignment layers are vertical alignment layers that induce a vertical alignment of the liquid crystals such that the first state when no voltage is applied is a vertical alignment state, and the liquid LC crystals switch to a planar alignment state as the second state when the voltage is applied.

Abstract: The present invention provides an optical film which has excellent light resistance and durability, while being suppressed in the occurrence of internal reflection and a liquid crystal display device. An optical film according to the present invention includes a light absorption anisotropic layer having at least one dichroic dye compound, and a protective layer that is adjacent to the light absorption anisotropic layer, and the light absorption anisotropic layer and the protective layer satisfy a specific relational expression.

Abstract: A display device includes a first substrate, a second substrate opposite to the first substrate, a liquid crystal layer between the first substrate and the second substrate, and a plurality of spacers maintaining a cell gap between the first substrate and the second substrate. Each of the plurality of spacers includes a spacer body portion protruding from the first substrate, and a spacer pattern portion including a plurality of pillar portions protruding from the spacer body portion and a plurality of contact portions respectively on top ends of the plurality of pillar portions so as to be in contact with a bottom surface of the second substrate.

Abstract: A liquid crystal display device of the present invention includes, in the given order: a first substrate; a liquid crystal layer containing liquid crystal molecules; and a second substrate. The first substrate includes a first electrode, a second electrode closer to the liquid crystal layer than the first electrode is, and an insulating film between the first electrode and the second electrode. The second electrode is provided with openings including a first opening and a second opening adjacent to each other. The first opening and the second opening are independent of each other and are point-symmetrical to each other. The first opening and the second opening each have a shape including: curved portions that expand an opening periphery outward at the respective ends in the longitudinal direction; and paired protruding portions that allow the opening periphery to protrude partially in the lateral direction in the middle of the longitudinal direction.

Abstract: A spatial phase modulator and a method for producing a spatial phase modulator are provided. The spatial phase modulator includes a first substrate and a second substrate that are meshed together, and a liquid crystal layer disposed between the two substrates, where a transparent electrode layer and a first alignment and guiding layer are disposed in a cascading manner on a side that is of the first substrate and that faces the liquid crystal layer; and an electrode layer and an insulation medium glass layer are disposed in a cascading manner on a side that is of the second substrate and that faces the liquid crystal layer, where the insulation medium glass layer has an inclined serration structure on a side facing the liquid crystal layer.

Abstract: A liquid crystal display (LCD) device including an LCD panel and a backlight. The backlight includes a plurality of light sources to emit light, and a reflective stack. The reflective stack is positioned to receive light emitted from the light sources and transmit the light to the LCD panel. The reflective stack includes optical elements providing a folded beam path for the light emitted from the light sources to the LCD panel. The light emitted from the light sources is diffused while propagating towards and away from the LCD panel along the folded beam path. The folded beam path has an optical distance that is longer than the spatial distance between the light sources and the LCD panel to improve light diffusion by the backlight without substantially increasing backlight thickness.

Abstract: Disclosed are an array substrate of a thin-film transistor liquid crystal display device and a method for manufacturing the same. The array substrate includes a plurality of data lines, a plurality of dummy data lines, a plurality of first gate lines, a plurality of second gate lines, and a plurality of groups of pixel units. Each group of pixel units includes an odd-numbered column of first thin film transistors and an even-numbered column of second thin film transistors. First ends and second ends of the dummy data lines are connected respectively to two common voltage electrode lines, which are arranged on the substrate in a transverse direction. The method includes steps of: forming a plurality of gate lines and two common voltage electrode lines; forming a source, a drain, and a plurality of data lines; and forming a plurality of pixel electrodes and a plurality of dummy data lines. A light shielding electrode line provided has good voltage driving uniformity.

Abstract: A display panel including a plurality of sub-pixel repeating units is provided. The sub-pixel repeating units are repeatedly arranged on the display panel. Each of the sub-pixel repeating units includes at least one first color sub-pixel and at least one second color sub-pixel. On the display panel, the adjacent first color sub-pixels form a first polygon, and the adjacent second color sub-pixels form a second polygon. The area of the first polygon is at least twice the area of the second polygon.

Abstract: A reflective-type color display according to the present disclosure includes a lower substrate and an upper substrate, a polarization plate positioned on an outer surface of the upper substrate, a plurality of helical photonic crystals arranged between the lower substrate and the upper substrate and having different reflection properties of light in the visible region, and a tunable wave plate positioned on the plurality of helical photonic crystals to control the reflection intensity by continuously changing the phase retardation. According to an embodiment, it is possible to simultaneously achieve the features of three primary colors, analog grey levels, high resolution, and fast response through the separation of the function of color reflection from the intensity tuning capability of the photonic crystal, beyond the limitation of existing reflective-type display technology.

Abstract: A display device is provided in embodiments of the disclosure relating to the field of display technology, the display device including: a liquid crystal display panel; and an organic electroluminescent display panel provided opposite to the liquid crystal display panel and configured to function as a backlight source for the liquid crystal display panel; the liquid crystal display panel has a display region defined therein, and comprises a plurality of pixel units arranged in an array and located in the display region, each of the plurality of pixel units comprising a plurality of sub-pixel units; the organic electroluminescent display panel has a light-emitting region defined therein and opposite to the display region, and comprises a plurality of light-emitting units arranged in an array and located in the light-emitting region, each of the plurality of light-emitting units comprising a plurality of light-emitting sub-units; and an area of each of the plurality of sub-pixel units is smaller than an area of

Abstract: A display device includes a display panel including a display surface, a light transmission mode converter configured to convert light transmission mode, a light reflective portion disposed on an opposite side of the light transmission mode converter from the display surface and configured to reflect light entered through the display surface toward the display surface, a light transmissive portion disposed on the opposite side of the light transmission mode converter from the display surface and configured to transmit light, and a color filter that is disposed closer to the display surface than the light reflective portion and the light transmissive portion are, and a light storing portion configured to store light to emit light having a complementary color of a color exhibited by the color filter, the light storing portion being disposed on an opposite side of the light transmissive portion from the display surface.

Abstract: An object of the invention is to provide an optical laminate which has excellent workability in the production of a polarizing plate and is capable of suppressing the occurrence of cracks in the polarizing plate, a polarizing plate, a method of manufacturing the polarizing plate using the optical laminate, and an image display device having the polarizing plate. An optical laminate according to the invention has a polarizer, an optical anisotropic layer, and a masking layer in this order, and hardness HB of the masking layer and hardness HA of a layer adjacent to the optical anisotropic layer side of the masking layer satisfy Expression (1): HA×0.5?HB?HA×2??(1).

Abstract: It is an object of the present invention to form a pixel electrode and a metal film using one resist mask in manufacturing a stacked structure by forming the metal film over the pixel electrode. A conductive film to be a pixel electrode and a metal film are stacked. A resist pattern having a thick region and a region thinner than the thick region is formed over the metal film using an exposure mask having a semi light-transmitting portion. The pixel electrode, and the metal film formed over part of the pixel electrode to be in contact therewith are formed using the resist pattern. Accordingly, a pixel electrode and a metal film can be formed using one resist mask.