1580results about How to "Widen perspective" patented technology

A liquid crystal display of the invention includes a plurality of pixels each of which has a liquid crystal layer and a plurality of electrodes for applying a voltage to the liquid crystal layer and which are arranged in a matrix of rows and columns, wherein: each of the plurality of pixels has a first sub-pixel and a second sub-pixel which can apply mutually different voltages to the liquid crystal layer, where the first sub-pixel has a higher brightness than the second sub-pixel in certain gradations; the first sub-pixel and the second sub-pixel each has: a liquid crystal capacitor formed by a counter electrode and a sub-pixel electrode opposing the counter electrode via the liquid crystal layer, and a storage capacitor formed by a storage capacitor electrode connected electrically to the sub-pixel electrode, an insulating layer, and a storage capacitor counter electrode opposing the storage capacitor electrode via the insulating layer; the counter electrode is a single electrode shared by the first sub-pixel and the second sub-pixel, and the storage capacitor counter electrodes of the first sub-pixel and the second sub-pixel are electrically independent of each other; and the storage capacitor counter electrode of the first sub-pixel in any of the plurality of pixels and the storage capacitor counter electrode of the second sub-pixel of a pixel adjacent to any of the pixels in the column direction are electrically independent of each other.

To provide an antireflection film which is easily and inexpensively producible and which has an antireflection property, a scratch resistance and a stain resistance in a sufficient level, and a polarizing plate and a liquid crystal display device utilizing the antireflection film of such excellent ability, the antireflection film includs a transparent support and a low-refractive index layer having a lower refractive index than the transparent support, wherein the low-refractive index layer is an outermost layer, and the low-refractive index layer contains a hollow silica particle and a compound that reduces a surface free energy of the outermost layer.

The liquid crystal display device comprises a liquid crystal cell with liquid crystals sealed thereinbetween, sandwiched between two transparent substrates having an electrode on each of the inner surfaces thereof facing each other, a first reflective polarizing film disposed on the visible side of the liquid crystal cell, a second reflective polarizing film disposed on the side of the liquid crystal cell, opposite from the visible side, and a light absorption film disposed on the side of the second reflective polarizing film, opposite from the visible side. The first reflective polarizing film as well as the second reflective polarizing film is a polarizing sheet reflecting a light linearly polarized in the direction orthogonal to the transmission axis thereof. A light absorption film and / or a backlight may preferably be disposed under the second reflective polarizing film. Further, an absorption-type polarizing film or a light diffusion layer may preferably be disposed on the visible side of the first reflective polarizing film.

A liquid crystal display device, in which the liquid crystal molecules are aligned vertically when no voltage is applied, includes pixels each having plural sub-pixel electrodes, a data bus drive circuit for applying drive signals to the sub-pixel electrodes via a data bus line and a switching element, and alignment regulation structure for regulating the direction of alignment of liquid crystal molecules. The first and second sub-pixel electrodes have different areas. The data bus drive circuit applies a first drive signal, which causes luminance to change from minimum to maximum for an increase of input grayscale of image signal, to the first sub-pixel electrode, and a second drive signal, which causes the luminance to be lower than the first drive signal, to the second sub-pixel electrode.

A head-mounted display device having: an image display element displaying a two-dimensional image; an eyepiece magnifying and projecting the image displayed by the image display element; and a holder holding the image display element and the eyepiece, so that the viewer's eyeball sees, through the eyepiece, a magnified virtual image of the image displayed by the image display element. The image display element is a two-dimensional display device having the shape of a matrix, composed of a central portion which is flat, and a left side portion and a right side portion each of which has a sheet-like shape whose cross-section along a horizontal plane is curved toward the eyepiece away from the extension line of the central portion. In the image display element, pixels in the left and right side portions and are greater in size than pixels in the central portion.

A vertically alignment mode liquid crystal display device having an improved viewing angle characteristic is disclosed. The disclosed liquid crystal display device uses a liquid crystal having a negative anisotropic dielectric constant, and orientations of the liquid crystal are vertical to substrates when no voltage being applied, almost horizontal when a predetermined voltage is applied, and oblique when an intermediate voltage is applied. At least one of the substrates includes a structure as domain regulating means, and inclined surfaces of the structure operate as a trigger to regulate azimuths of the oblique orientations of the liquid crystal when the intermediate voltage is applied.

A circular-polarization-based vertical alignment mode liquid crystal display device includes a circular polarizer structure, a variable retarder structure and a circular analyzer structure. The circular polarizer structure includes a first optical compensation layer for optical compensation thereof, the first optical compensation layer including a uniaxial retardation plate with a refractive index anisotropy of nx≈ny<nz. The circular analyzer structure includes a second optical compensation layer for optical compensation thereof, the second optical compensation layer including a uniaxial retardation plate with a refractive index anisotropy of nx≈ny<nz. The variable retarder structure includes a third optical compensation layer for optical compensation thereof, the third optical compensation layer including a uniaxial retardation plate with a refractive index anisotropy of nx≈ny>nz.

To provide a display device in which a viewing angle characteristic is improved by providing a plurality of sub-pixels to one pixel. Alternatively, to provide a display device in which an aperture ratio is suppressed even when a plurality of sub-pixels is provided. A pixel including first sub-pixel, a second sub-pixel, and a third sub-pixel, a scanning line, a signal line, a first capacitor wiring, a second capacitor wiring and a third capacitor wiring are provided. Pixel electrodes each electrically connected to one electrode of the first to third capacitor elements, and the first to third capacitor wirings, respectively, are provided to the first to third sub-pixels electrodes, respectively. Potentials of the first capacitor wiring and the second capacitor wiring are changed and a potential of the third capacitor wiring is kept almost constant.

A novel liquid crystal display is disclosed. The display comprises a pair of substrates disposed facing each other and at least one of which has an electrode, a liquid-crystal layer being sandwiched in between the pair of substrates and comprising liquid-crystal molecules aligned along with a first alignment axis and a second alignment axis respectively formed on facing surfaces of the first and second substrates, a pair of polarizing plates disposed sandwiching the liquid-crystal layer, and at least an optically anisotropic layer disposed between the liquid-crystal layer and either of the polarizing plates, and comprising at least one liquid crystal compound which is aligned along with a third alignment axis and is fixed in the alignment state. And their disposition satisfies at least one of Condition (1): the alignment axes of the substrates are not parallel to transmission axes of the polarizing plates; and Condition (2): the alignment axis of the substrate is not parallel to the alignment axis of the optically anisotropic layer.

An electroluminescence panel having an electroluminescence element in each pixel, wherein the electroluminescence element comprises an emissive element layer having at least a light emitting function between a reflective film and a semi-transmissive film which is provided opposing the reflective film and have portions having different cavity lengths in one pixel, the cavity length being a distance between the reflective film and the semi-transmissive film. Such a structure can be realized, for example, by changing a thickness of a transparent electrode which is a lower electrode of the element. Because peak wavelength that can be intensified can be varied among regions in one pixel having different cavity lengths, a viewing angle dependency is improved.

To provide a liquid crystal display device which can improve viewing angle characteristics and a driving method of the liquid crystal display device, and an electronic device including the liquid crystal display device. In a liquid crystal display device which performs display by aligning liquid crystal molecules at a tilt or radially at a tilt, one pixel is divided into a plurality of regions (sub-pixels) and a signal applied to each sub-pixel is made different every desired period. Alternatively, a signal applied to each sub-pixel is made different with respect to an adjacent pixel. To improve viewing angle characteristics by changing transmittance of the liquid crystal molecules every desired period in addition to improving the viewing angle characteristics of a viewer by making the liquid crystal molecules slanted to increase directions of alignment.

A liquid crystal display comprises a liquid crystal cell of a bend alignment mode or a homogeneous alignment mode and two polarizing elements. Each of the elements is arranged on each side of the liquid crystal cell. At least one of the polarizing elements is an ellipsoidal polarizing plate. The ellipsoidal polarizing plate comprises a lamination of an optically anisotropic layer, a transparent substrate and a polarizing membrane. The optically anisotropic layer contains discotic compounds. The transparent substrate is optically anisotropic. The polarizing membrane is arranged as an outermost layer of the liquid crystal display. The optically anisotropic layer and the transparent substrate are so arranged that an angle between a normal discotic direction and a slow axis in plane of the transparent substrate is essentially 45 DEG . The normal discotic direction is an average of directions obtained by projecting normal lines of discotic planes of the discotic compounds on plane of the substrate. The transparent substrate and the polarizing membrane are so arranged that a slow axis in plane of the transparent substrate is essentially parallel to or essentially perpendicular to a transmission axis in plane of the polarizing membrane.

There is provided a liquid crystal display which exhibits preferable viewing angle characteristics even in a diagonal viewing angle. Optical retardation films of a first type that satisfy nx>ny, nz and optical retardation films of a second type that satisfy nx=ny>nz are used, and a setting is made to satisfy Rp-t=2x(-0.08xRLC+58 nm+alpha) (alpha=±30 nm) and Rt-t=(1.05±0.05)xRLC-47 nm+beta(-100 nm<=beta<=47 nm) where DELTAnd represents a retardation RLC in the liquid crystal display; Rp-t represents the sum of retardations Rp in in-plane directions of a plurality of optical retardation films; and Rt-t represents the sum of retardations Rt in the direction of the thickness of the plurality of optical retardation films.

A vertical alignment liquid crystal layer is sealed between a first substrate having a first electrode and a second substrate having a second electrode, each pixel region has a reflective region and a transmissive region, and a gap adjusting section is provided on one of sides of the first substrate and the second substrate which sets a thickness (gap) d of the liquid crystal layer which controls a phase difference of incident light to the liquid crystal layer so that a gap dr in the reflective region is smaller than a gap dt in the transmissive region. An alignment controller which divides alignment of the liquid crystal within a pixel region is provided in the pixel region on at least one of the sides of the first substrate and the second substrate. It is also possible to optimize by changing the gap in red, green, and blue.

The present invention relates to a vertically aligned LCD (VA-LCD) comprising a negative compensation film including one or more of a first retardation film (+A-plate) satisfying the condition of nx>ny=nz and a first retardation film (−A-plate) satisfying the condition of nx<ny=nz, and one or more of a second retardation film (−C-plate) satisfying the condition of nx=ny>nz, wherein the first retardation film is arranged such that its optical axis is perpendicular to an optical absorption axis of a neighboring polarizing plate, and a total thickness retardation (R−C+RVA) including the thickness retardation of the second retardation film and the thickness retardation of a VA-panel has a negative value. The VA-LCD in accordance with the present invention improves contrast characteristics on a front surface and at a tilt angle and minimizes coloring in a black state according to the tilt angle.

A viewing angle switchable display apparatus including a display panel, an electrically controlled viewing angle switching device, an electrically controlled light scattering switching device, and a backlight module is provided. The electrically controlled viewing angle switching device includes two first transparent substrates, two first transparent conductive layers, a liquid crystal layer, and a first polarizer located on a side of the electrically controlled viewing angle switching device which is far away from the display panel. The liquid crystal layer includes liquid crystal molecules, and optical axes of the liquid crystal molecules are parallel or perpendicular to a transmission axis of the first polarizer. The electrically controlled light scattering switching device is located between the display panel and the backlight module and includes two second transparent substrates, two second transparent conductive layers, and an electronically controlled polymer material layer.

It is an object to improve image quality in displaying a still image and a moving image by suppressing flickers, a display malfunction, or the like of a display device. A method for controlling the light emission state of a backlight is made different between a still image portion and a moving image portion included in an image to be displayed. In specific, the amount of light emission in the still image portion is made as small as possible in a corresponding divided region of the backlight, and the amount of light emission in the moving image portion is controlled so as not to be changed as much as possible in a corresponding divided region of the backlight.

A micro-LED laser display having an array of display pixels includes a display substrate for displaying an image and an array of display pixels. Each display pixel has one or more micro-LED lasers disposed on the display substrate. Each micro-LED laser emits light within an emission angle. One or more light spreaders for increasing the emission angle of light emitted by each micro-LED laser are disposed in relation to the light spreaders and a controller individually controls the micro-LED lasers.

Provided are a vertically aligned liquid crystal display (VA-LCD) with good viewing angle characteristics, which has liquid crystals with negative dielectric anisotropy (Δε<0). In the VA-LCD, a polynorbornene based polymer film is used as a protection film and / or as a negative C-plate retardation film for an upper polarization plate and / or a lower polarization plate. Therefore, high contrast characteristics for a front view and an oblique angle view are realized and color change for an oblique angle view can be minimized.

To solve degradation with time of a light emitting element by a new method. When the potential of an electrode of a monitor pixel is sampled and fed back to a light emitting pixel, degradation with time of a light emitting element can be corrected. In addition, when a writing period is divided into a plurality of periods during which a plurality of rows are selected, a gray scale can be expressed by a weighted light emitting period. That is to say, a light emitting device of the invention has a plurality of monitoring light emitting elements, a monitor line for monitoring changes in the potentials of electrodes of the plurality of light emitting elements, and a means for preventing, when any one of the plurality of monitoring light emitting elements is short-circuited, a current from flowing to the short-circuited monitoring light emitting element through the monitor line.

The invention discloses an optical imaging camera lens. The camera lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens in sequence from the object side to the image side along the optical axis. The first lens has positive focal power, and the object side is the convex side; the second lens has negative focal power;the second lens has positive focal power; the fourth lens has positive focal power or negative focal power, the object side is the concave side, and the image side is the convex side; the fifth lens has positive focal power or negative focal power; the sixth lens has positive focal power or negative focal power, and the object side is the convex side; the seventh lens has positive focal power or negative focal power; the eighth lens has negative focal power.

A display includes a display device having a first polarizer and a second polarizer or a reflector, and a display layer disposed between the first polarizer and the second polarizer or the reflector. A liquid crystal layer is disposed between the display layer and one of the first polarizer and the second polarizer or reflector. The liquid crystal molecules of at least one region of the liquid crystal layer are switchable between a first state in which the display has a first display mode with a first viewing angle range and a second state in which the display has a second display mode having a second viewing angle range smaller than the first viewing angle range. In the second state, liquid crystal molecules of the at least one region are tilted with respect to the normal axis of the display over at least a portion of the thickness of the liquid crystal layer, and lie substantially parallel to a plane defined by the normal axis of the display and the transmission axis or absorption axis of the first polarizer or one of the first and second polarizers.

A three-dimensional (3-D) display system using a variable focal length lens includes at least one two-dimensional (2-D) display device, configured to display at least one two-dimensional image. The display system also includes an array of micromirror array lenses optically coupled to the display device, each micromirror array lens of the array of micromirror array lenses placed at a different location with respect to the display device, configured to focus the at least one two-dimensional image from each different location to provide a three-dimensional (3-D) image. The advantages of the present invention include increased viewing angles and wide depth range of three-dimensional images.

The invention relates to a liquid crystal display used as a display section of an electronic apparatus and a method of manufacturing the same, and it is aimed at providing a liquid crystal display which can achieve high viewing angle characteristics and a method of manufacturing the same. A configuration is employed which includes a pair of substrates provided opposite to each other, a liquid crystal sealed between the pair of substrates, protrusions formed on at least one of the pair of substrates for regulating the alignment of the liquid crystal, and a plurality of pixel regions having both of a first area in which the protrusions are disposed at first intervals a2 and which has a first threshold voltage for driving of the liquid crystal and a second area in which the protrusions are disposed at second intervals a2 smaller than the first intervals and which has a second threshold voltage lower than the first threshold voltage.

The present invention provides an image display system in which an image can be seen from positions other than predetermined viewing position. The image display system includes optical means for allowing light from a backlight (810) to be transmitted to a left eye image area and a right eye image area and causing the transmitted lights from the respective image areas to enter into a left eye and a right eye of an viewer independently, and image parallax switching means for selectively displaying an image for three-dimensional display which causes parallax between both eyes of the viewer when displaying a three-dimensional image to the viewer or an image for two-dimensional display which does not cause parallax between the both eyes of the viewer when displaying a two-dimensional image to the viewer on the display area, auxiliary light sources (814) for irradiating a liquid crystal display panel (804) and causing the irradiated light to be transmitted through the left eye image area or the right eye image area and enter into the both eyes of the viewer and light source control means which turns on the backlight (810) when showing the three-dimensional image to the viewer and turns on the auxiliary light sources (814) when showing the two-dimensional image to the viewer are provided.

To provide a display device in which a viewing angle characteristic is improved by providing a plurality of sub-pixels to one pixel. Alternatively, to provide a display device in which an aperture ratio is suppressed even when a plurality of sub-pixels is provided. A pixel including first sub-pixel, a second sub-pixel, and a third sub-pixel, a scanning line, a signal line, a first capacitor wiring, a second capacitor wiring and a third capacitor wiring are provided. Pixel electrodes each electrically connected to one electrode of the first to third capacitor elements, and the first to third capacitor wirings, respectively, are provided to the first to third sub-pixels electrodes, respectively. Potentials of the first capacitor wiring and the second capacitor wiring are changed and a potential of the third capacitor wiring is kept almost constant.

A 2D / 3D switching type liquid crystal display device includes: (i) display liquid crystal panel (10) for generating an image in accordance with input image data; (ii) patterned retardation plate (20) for rendering a certain viewing angle to a display image during 3D display, so as to provide a 3D effect; and (iii) a switching liquid crystal panel (30) for switching 2D display and 3D display by activating and deactivating the effect of the parallax barrier means. The patterned retardation plate (20) and the switching liquid crystal panel (30) respectively have wider active areas than an active area of the display image generating means. With this, the 2D / 3D switching liquid crystal display device allows for a viewing angle in 2D as wide as a viewing angle of 2D-only display.

The viewing angle characteristics of a multiprimary liquid crystal display device in which a plurality of red subpixels are provided in each pixel are improved.A multiprimary liquid crystal display device according to the present invention includes a pixel defined by a plurality of subpixels, and performs multicolor display by using four or more primary colors to be displayed by the plurality of subpixels. The plurality of subpixels of the multiprimary liquid crystal display device according to the present invention include first and second red subpixels R1 and R2 for displaying red, a green subpixel G for displaying green, a blue subpixel B for displaying blue, and a cyan subpixel C for displaying cyan. When a color having a hue which is within a predetermined first range is displayed by the pixel, the gray scale level of the first red subpixel R1 and the gray scale level of the second red subpixel R2 differ from each other. When a color having a hue which is within a second range different from the first range is displayed by the pixel, the gray scale level of the first red subpixel R1 and the gray scale level of the second red subpixel R2 are equal.