Abstract: A liquid crystal on silicon (LCOS) device includes a silicon substrate and a pair of electrodes including an upper and a lower electrode. The lower electrode is mounted to the silicon substrate and includes a two dimensional array of pixels extending in both a first and second dimension. LCOS device also includes a liquid crystal layer disposed between the upper and lower electrodes and configured to be driveable into a plurality of electrical states by drive signals provided to the pixels of the lower electrode. The pixels are rectangular in profile having longer sides in the first dimension than in the second dimension. Further, the two dimensional array includes a pixel pitch that is greater in the first dimension than in the second dimension.

Abstract: A display panel, a manufacturing method of the display panel, and a display device are disclosed. The display panel includes a first substrate and a second substrate. The first substrate includes a first base, a light-shielding layer disposed on the first base, and a color filter layer disposed on the first base, and a common electrode layer disposed on the light-shielding layer and the color filter layer. The common electrode layer is provided with an opening at a position opposite to the color filter layer.

Abstract: An improvement in contrast is achieved by suitably offsetting a phase difference produced by oblique light in a liquid-crystal panel. An optical compensation apparatus includes a negative C-plate and two O-plates, an amount of a composite phase difference between the two O-plates and the negative C-plate in a tilt-direction cross section is substantially same as an amount of a phase difference produced by light having each of incident angles in a predetermined incident-angle range in the liquid-crystal panel, and a sign of the composite phase difference is opposite to a sign of the phase difference, the tilt-direction cross section being a cross section parallel to a tilt direction of the liquid crystal in a vertical-alignment-type liquid-crystal panel.

Abstract: A display device is provided, including two substrates and a liquid crystal layer. Each of the substrates has two opposite surfaces and two opposite sides. The liquid crystal layer is sandwiched between the two substrates. At least one of the two substrates has an inclined portion on at least one of the two opposite sides which is connected to one of the two opposite surfaces, and has an included angle greater than 90 degrees and less than 180 degrees in association with the connected surface.

Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a common electrode. The common electrode includes an electrode unit array. The electrode unit array includes a plurality of electrode units. Each of the electrode units corresponds to two adjacent sub-pixels. Each of the electrode units includes a boundary electrode line and an inner region defined by the boundary electrode line. The inner region includes a first region and a second region. The first region includes a plurality of first strip electrode lines having a same longitudinal direction. Two adjacent first strip electrode lines are not connected inside the first region. The second region includes a plurality of second strip electrode lines having a same longitudinal direction. Two adjacent second strip electrode lines are not connected inside the second region.

Abstract: A one-way glass with switching modes includes an absorbing layer located on a weak light side, a reflecting layer located on an intense light side, and a converting layer stacked between the absorbing layer and the reflecting layer. The absorbing layer absorbs first polarized light and allows second polarized light to pass through. The reflecting layer reflects the first polarized light and allows the second polarized light to pass through. Unpolarized light incident from the weak light side or from the intense light side is respectively converted into the polarized light. During the process of gradually adjusting the converting layer from a twisted state to a vertical state, rotated angles of polarization directions of the first polarized light and the second polarized light gradually decrease.

Abstract: A switchable backlight for a switchable privacy display apparatus comprises a collimated waveguide and an optical turning film comprising first and second arrays of elongate prismatic elements. High image luminance and image visibility is provided for off-axis viewers in a public mode of operation while in a privacy mode of operation visual security level above a perceived privacy threshold may be achieved for off-axis snoopers.

Abstract: A flat panel display having an improved picture quality is disclosed. In one embodiment, a first pixel electrode and a second pixel electrode are formed in each subpixel area. The electrodes enclose an open space (gap) such that their outer boundary has a substantially rectangular shape. The flat panel display may also include a capacitance electrode coupled to the second pixel electrode to form a coupling capacitor. In use, the coupling capacitor operates such that a magnitude of a voltage applied to the first pixel electrode is lower than an applied data voltage, and a magnitude of a voltage applied to the second pixel electrode is higher than an applied voltage. The different voltages operate such that a tilt direction of LC molecules disposed above the first pixel electrode differs from a tilt direction of LC molecules disposed above the second pixel electrode.

Abstract: A display device includes a viewing angle control layer including a liquid crystal layer disposed on a second electrode of an organic light-emitting element and the control electrode disposed on the liquid crystal layer, the control electrode includes a plate electrode and a plurality of tip electrodes protruding from the plate electrode toward the second electrode, wherein the plurality of tip electrodes are arranged within a light-emitting area of the organic light-emitting element, and the liquid crystal layer includes positive c-plate liquid crystal molecules aligned vertically.

Abstract: Provided is a liquid-crystal display device including a display panel, a backlight module, and a fingerprint identification module. The display panel includes a display region. The display region includes a first display region and a second display region. The second display region also serves as a light sensing element region. The backlight module is configured to provide a backlight for the display panel and is provided with a via penetrating through the backlight module. The fingerprint identification module is disposed inside the via and includes a fingerprint identification sensor, a light plate, and a quantum dot film. The light plate is disposed between the fingerprint identification sensor and the quantum dot film. The quantum dot film is disposed between the light plate and the display panel. The quantum dot film includes at least one quantum dot set. The at least one quantum dot set includes infrared quantum dots.

Abstract: This application relates to a liquid crystal display which comprises: an upper polarizer; a lower polarizer; and a liquid crystal panel provided between the upper polarizer and the lower polarizer, in which the upper polarizer and the lower polarizer are provided so that absorption axes of the upper and lower polarizers are parallel to each other, a first half wave plate, a positive C plate, and a second half wave plate are sequentially comprised between the upper polarizer and the liquid crystal panel, and the liquid crystal panel is a vertical alignment liquid crystal mode.

Abstract: An electrically controlled viewing angle switching device including a first electrode, a second electrode, a liquid crystal layer, multiple dye molecules, and a polarizer is provided. The second electrode is disposed opposite to the first electrode. The liquid crystal layer is disposed between the first electrode and the second electrode and has an optical axis. The dye molecules are dispersedly disposed in the liquid crystal layer. Each of the dye molecules is arranged corresponding to the optical axis of the liquid crystal layer. The polarizer is stacked on the liquid crystal layer. The axial direction of the optical axis of the liquid crystal layer is perpendicular to the axial direction of the transmission axis of the polarizer. A display device using the electrically controlled viewing angle switching device is also provided.

Abstract: A display device including a backlight plate, a first panel, and a second panel is provided. The first panel is disposed on the backlight plate and includes a first liquid crystal layer and an upper substrate disposed on the first liquid crystal layer. The second panel is disposed on the first panel and includes a bottom substrate and a second liquid crystal layer disposed on the bottom substrate. The first panel includes a plurality of first pixels. The second panel includes a plurality of second pixels. A ratio relationship between the first panel and the second panel is 0.220 ? 9 × ( Y X ) 2 ? R 2 R 1 ? 0 . 7 ? 9 ? 2 ? 1 × ( Y X ) 2 wherein Y is a distance between the bottom surface of the upper substrate and the top surface of the bottom substrate, X is a pixel pitch between the second pixels, R1 is the number of first pixels, and R2 is the number of second pixels.

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a base material, a sensor including a photoelectric conversion element outputting a detection signal based on incident light from a liquid crystal layer side, and a first line electrically connected to the sensor. The pixel includes a first subpixel, a second subpixel and a third subpixel. The photoelectric conversion element is provided in an area in which the third subpixel is located. The first line includes a first branch portion overlapping the photoelectric conversion element and including an opening, and a second branch portion overlapping a through-hole provided such that the first line is electrically connected to the sensor.

Abstract: The liquid crystal display device includes: a first polarizer having a first transmission axis; a liquid crystal panel; a second polarizer having a second transmission axis; a biaxial retarder having a slow axis parallel to the second transmission axis; a third polarizer having a third transmission axis parallel to the second transmission axis; and a backlight, a back side polarizer portion that includes the second polarizer, the biaxial retarder, and the third polarizer satisfying the following formula (1): ?YI2=YI2?? YI2<0 (1) wherein YI2? represents a yellowness index in observation from an oblique direction, YI2 represents a yellowness index in observation from a front direction, and ?YI2 represents a difference between YI2? and YI2, wherein the front direction represents a direction at a 0° polar angle and the oblique direction represents a direction at a 60° polar angle and a 45° azimuth.

Abstract: A display panel and a display device are provided. The display panel includes an array substrate, an opposite substrate, and a liquid crystal layer between the array substrate and the opposite substrate. The array substrate is located above the opposite substrate near a light emerging side of the display panel. A photosensitive device is disposed inside the assay substrate, and a path for the photosensitive device to receive ambient light avoids a color resist layer in the display panel. The photosensitive device is not affected by the color resist layer when receiving infrared light from the outside, which can eliminate red spots on a display screen.

Abstract: An ultrasonic bonding device includes a stage and an ultrasonic horn. A first flat member and a second flat member to be bonded are placed on the stage. The ultrasonic horn includes a press part to be pressed on a laminated portion of the first flat member and the second flat member. The stage includes a lower-side surface, a higher-side surface, and a step wall surface. The first flat member is to be placed on the lower-side surface. The higher-side surface is positioned higher than the lower-side surface by a predetermined step height. The second flat member is to be placed on the higher-side surface. The step wall surface is positioned in a boundary between the lower-side surface and the higher-side surface.

Abstract: A display device includes a display substrate, a plurality of source drive circuit elements, gate drive circuits, and a plurality of gate connection lines. The plurality of gate connection lines pass through inter-element regions between the source drive circuit elements in plan view, and pass through mounting regions. Gate terminals connected to the gate connection lines are formed at positions facing the inter-element regions in a direction from the inter-element regions toward an FPC (Y2 direction).

Abstract: A display device includes first and second substrates each including a short side and a long side, ground parts located on at least one of the short and long sides of each of the first and second substrates and including at least one first ground surfaces, which are perpendicular to opposing surfaces of the first and second substrates, and at least one second ground surfaces, which are provided at at least one edge of the second substrate to define an obtuse angle with reference to the first ground surfaces, and unevenness disposed on the first ground surfaces along a first direction, where the unevenness defines an acute angle with reference to a normal line to the opposing surfaces.

Abstract: Privacy cells can be configured to enable segmented control. A privacy cell can include a segmented array of electrodes that allow segments of liquid crystal to be independently controlled. By independently applying a voltage to each electrode, the liquid crystal within each segment can be independently oriented at a desired angle for a particular mode of operation.