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.

Abstract: A display device and a screen anti-peeping device are provided. The display device includes a display panel and the screen anti-peeping device. The display panel includes at least one bonding area, wherein the bonding area is configured to be coupled to an outer lead. The screen anti-peeping device overlaps with the display panel and includes a plurality of electrode sets, wherein each of the electrode sets includes a first electrode and a second electrode. At least one of the electrode sets is selected to be coupled to at least one control lead, and the selected electrode set is misaligned with the bonding area.

Abstract: A polarizer and optical display device comprising the same are disclosed. Specifically, the polarizer comprises: a polarizing film; and a contrast ratio improving film formed on one surface of the polarizing film, wherein the contrast ratio improving film comprises a contrast ratio improving layer consisting of a first protective layer, and first and second resin layers facing each other, and the first resin layer has: pattern parts having two or more optical patterns on one surface thereof that faces the second resin layer and a flat part between the optical pattern and another immediately adjacent optical pattern.

Abstract: Provided is a liquid crystal display device, comprising an upper polarizer, an in-plane switching mode liquid crystal panel, and a lower polarizer. The in-plane switching mode liquid crystal panel comprises a liquid crystal layer having a Rin (550) value in a range of 310 nm to 350 nm. An absorption axis of the upper polarizer and an absorption axis of the lower polarizer are orthogonal. The lower polarizer is adjacent to a light source as compared to the upper polarizer. The liquid crystal display further comprises, as retardation films, a positive biaxial retardation film having a Rin (450)/Rin (550) value in a range of 0.99 to 1.01, and a negative C plate between the upper polarizer and the in-plane switching mode liquid crystal panel.

Abstract: A transistor substrate is provided. The transistor substrate includes a plurality of data lines and a plurality of scan lines, wherein the scan lines intersects with the data lines to define a plurality of pixel units. One of the pixel units includes a first electrode having a slit substantially parallel to the data lines. The pixel units include a second electrode and a switching transistor. The switching transistor includes a gate electrode connecting to one of the scan lines. The gate electrode has a first edge substantially parallel to the extending direction of the scan lines. The switching transistor includes a drain electrode electrically connected to one of the first electrode and the second electrode. The drain electrode includes an extending portion which extends toward the slit and extends away from an extending line of the first edge. The drain electrode and the slit have an overlapping region.

Abstract: The liquid crystal display apparatus includes: a liquid crystal panel; a light control layer; and a surface light source device, wherein the liquid crystal panel includes: a liquid crystal cell; a viewer-side polarizing plate; and a back surface-side polarizing plate, wherein the light control layer includes a first transparent substrate; a first transparent electrode layer; a composite layer of a polymer matrix and a liquid crystal compound; a second transparent electrode layer; and a second transparent substrate, wherein the first transparent substrate and the second transparent substrate each independently have a thickness of 70 ?m or less, wherein the first transparent substrate and the second transparent substrate each independently have a front retardation at a wavelength of 590 nm of 100 nm or less, wherein the surface light source device is configured to emit light which has directivity in an approximately normal direction of the light emitting surface.

Abstract: The present application relates to a liquid crystal display comprising: 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 such that the absorption axes thereof are parallel to each other, a wavelength plate is comprised between the upper polarizer and the liquid crystal panel which rotates linear polarized light at 85 to 90 degrees, and the liquid crystal panel is a horizontally aligned liquid crystal mode.

Abstract: A liquid crystal display includes a first substrate, a pixel array, a first pad, a dielectric layer, a filling pattern, a first conductor, a second substrate and a liquid crystal layer. The first substrate has a display area and a pad area located outside the display area. The pixel array is disposed on the display area. The first pad is disposed on the pad area. The dielectric layer has a first opening overlapped with the first pad. The filling pattern is disposed within the first opening of the dielectric layer. The filling pattern has through holes, and the through holes of the filling pattern are overlapped with the first pads. The first conductor is disposed in the first opening of the dielectric layer, and is electrically connected to the first pad via the through holes of the filling pattern.

Abstract: A liquid crystal display device includes: a liquid crystal display panel having gate bus lines extending along a row direction and source bus lines extending along a column direction; and a gate bus line driving circuit and a source bus line driving circuit. The pixels are disposed in a pixel array region, which includes: a first region where arbitrary displaying takes place; and a second region where exclusively black displaying takes place, the second region adjoining the first region along the column direction. The gate bus lines include a first group of gate bus lines disposed in the first region and a second group of gate bus lines disposed in the second region. The second group of gate bus lines include a first gate bus line connected to the gate bus line driving circuit and second gate bus lines connected to the first gate bus line via an interconnect.

Abstract: A display device includes an electrically controlled viewing angle switching device including two polarizers and a liquid crystal cell disposed between the two polarizers. The liquid crystal cell includes two alignment layers and a liquid crystal material layer disposed between the two alignment layers and including a plurality of liquid crystal molecules. A direction of an optical axis of the liquid crystal molecules and a viewing angle control direction of the display device have an included angle ?1 of 70-110 degrees. Two alignment directions of the two alignment layers and the viewing angle control direction have an included angle of 90±20 degrees and an included angle of 270±20 degrees, respectively. Included angles between directions of transmission axis of the two polarizers and alignment directions of the two alignment layers are selected from one of 0±5 degrees and 90±5 degrees.

Abstract: A fingerprint-recognition function in a backlit display device includes a cover plate, a display panel, a backlight module, and a fingerprint recognition module. The cover plate has an operating surface defining a touchable fingerprint identification area. The backlight module emits light for the display panel to display images and, as a first detection light, backlighting incident on the fingerprint identification area reflected by a fingerprint is taken and recognized by the recognition module. Along a thickness direction of the display device, a projection of the fingerprint identification module on the cover plate at least partially overlaps with the fingerprint identification area, and supplementary side-mounted sources emitting non-visible light enhance the accuracy of detection of the recognition module.

Abstract: A display panel including a pixel array substrate, an opposite substrate, and a display media is provided. The pixel array substrate includes a substrate, a plurality of scan lines, a plurality of data lines, a plurality of pixel units, and a gate driving circuit. The gate driving circuit including a plurality of first signal lines, a plurality of second signal lines, a plurality of dummy signal lines, and a plurality of contact structures is disposed in a peripheral region of the substrate. Each of the second signal lines is electrically connected to one corresponding first signal line. Each of the dummy signal lines is electrically connected to one corresponding second signal line via one corresponding contact structure. Each of the first signal lines is electrically connected to the corresponding second signal line via one corresponding contact structure.

Abstract: A display substrate and a manufacturing method thereof and a display device are disclosed. The manufacturing method of the display substrate includes: forming a first display electrode; and forming a thin film transistor, which includes forming a semiconductor layer; The first display electrode and the semiconductor layer are in one same layer, and a step of forming the first display electrode is performed before performing a step of forming the semiconductor layer.

Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: a first substrate including a display area and a non-display area; a second substrate overlapping the first substrate; a sealant disposed between the first substrate and the second substrate; and a stacked body disposed between the first substrate and the second substrate, disposed on an outermost edge of the non-display area, and disposed spaced apart from the sealant, wherein the stacked body includes a column spacer and a color filter stacked body in which at least two color filters are stacked.

Abstract: A liquid crystal display panel includes: a plurality of pixels arranged in a matrix; a plurality of pixel electrodes and a plurality of transistors provided in each of the plurality of pixels; and a scanning line connected to the plurality of transistors in each of the plurality of pixels arranged in a first direction. In each of the plurality of pixels, the plurality of pixel electrodes and the plurality of transistors are arranged in the first direction.