1210results about How to "Wide viewing angle" patented technology

An integrated Silicon-OLED display and touch sensor panel is disclosed. The integrated Silicon-OLED display and touch sensor panel can include a Silicon substrate, an array of transistors, one or more metallization layers, one or more vias, an OLED stack, color filters, touch sensors, and additional components and circuitry. Additional components and circuitry can include an electrostatic discharge device, a light shielding, a switching matrix, one or more photodiodes, a near-infrared detector and near-infrared color filters. The integrated Silicon-OLED display and touch sensor panel can be further configured for near-field imaging, optically-assisted touch, and fingerprint detection. In some examples, a plurality of touch sensors and / or display pixels can be grouped into clusters, and the clusters can be coupled to a switching matrix for dynamic change of touch and / or display granularity.

In a display device including a backlight and a display panel, the area of the backlight is divided into a plurality of unit regions; the display panel includes pixels which are larger in number than the unit regions; a frame rate of image data input to the device is converted to perform display while part of the unit regions in which black is displayed is in a non-light emission state; and the driving frequency of the backlight is converted in accordance with the display.

A display apparatus that displays an image on a retina of a user, the display apparatus comprising: an image output unit (100) which includes a light source (101, 110), a wavefront shape change unit (102, 109), and a scan unit (103, 108) and is configured to output display light for displaying the image; and a deflection unit (104, 107) configured to deflect, toward an eye of the user, the display light outputted by the image output unit (100). The deflection unit (104, 107) has a deflection characteristic of suppressing image distortion caused by a change in relative position of the deflection unit (104, 107) with respect to a pupil of the user.

A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity, a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.

A display apparatus that displays an image on a retina of a user, the display apparatus comprising: an image output unit (100) which includes a light source (101, 110), a wavefront shape change unit (102, 109), and a scan unit (103, 108) and is configured to output display light for displaying the image; and a deflection unit (104, 107) configured to deflect, toward an eye of the user, the display light outputted by the image output unit (100). The deflection unit (104, 107) has a deflection characteristic of suppressing image distortion caused by a change in relative position of the deflection unit (104, 107) with respect to a pupil of the user.

In order to realize liquid crystal display devices having a wide viewing angle and reduce the absorption loss by polarizers and color filters, and arrangement of reflective color selective means, reflective polarizing selective means, a light control element, and others are specified. The liquid crystal display device able to produce a display of high performance and improved brightness is formed of liquid crystal display elements 20 for controlling polarizing light so that the major axis direction of a pixel is arranged approximately in parallel with a direction wherein the linearly polarized light component of the projected light projected from said illumination device is high; an illumination device 50 arranged at a rear plane of the liquid crystal display element; a reflector 54 arranged at a rear plane of the illumination device; light control elements 40 and reflective polarizing selective means 30 arranged between the liquid crystal display element and the illumination device; and a screen arranged at an opposite side relative to the illumination device of the liquid crystal display element.

To provide a hold-type display device without a problem of motion blur and a driving method thereof. The length of a period for displaying a blanking image in one frame period is controlled in accordance with a control parameter showing the degree of motion blur, and the level of a signal supplied to a display element is changed in accordance with the length of the period for displaying the blanking image. Accordingly, the hold-type display device without a problem of motion blur and the driving method thereof can be provided.

An organic light emitting diode drive circuit includes an organic light emitting diode which emits light with a current, a first transistor, a second transistor and a stress compensation circuit. The first transistor supplies a data voltage to a first node in response to a scan pulse. The second transistor controls a current flowing in the organic light emitting diode by the data voltage on the first node. The stress compensation circuit discharges the first node in response to a reset pulse. The organic light emitting diode driving circuit is adaptive to compensate characteristic changes of the organic light emitting diode drive circuit.

An intermediate image is formed inside a first prism, and an image light, which is reflected on the order of a third surface, a first surface and a second surface, is transmitted through the first surface and reaches the eyes of the observer, therefore it is possible to make the entire optical system small and light in weight by making the first prism thin, and realize a high performance display device with a wide angle of view. Further, when an external light is passed through, for example, the first surface and the third surface and observed, a diopter scale is set to approximately zero, and thereby reducing the defocus or distortion of the external light when observed in a see-through manner. And, it is possible such that the shape of the first prism conforms to the face of the observer, the center is also close to the face.

To provide a semiconductor device, a liquid crystal display device, and an electronic device which have a wide viewing angle and in which the number of manufacturing steps, the number of masks, and manufacturing cost are reduced compared with a conventional one. The liquid crystal display device includes a first electrode formed over an entire surface of one side of a substrate; a first insulating film formed over the first electrode; a thin film transistor formed over the first insulating film; a second insulating film formed over the thin film transistor; a second electrode formed over the second insulating film and having a plurality of openings; and a liquid crystal over the second electrode. The liquid crystal is controlled by an electric field between the first electrode and the second electrode.

Various embodiments of the present invention provide systems, methods, and processes for constructing a contact lens. In one embodiment, a contact lens assembly is provided, comprising: a curved polymer polarizer with an aperture; a lenslet disposed inside the aperture, wherein the lenslet enables imaging near objects; and a filter attached to the lenslet. In further embodiments, a method for fabricating a flexible contact lens is provided, comprising: fabricating an element having an extrusion; providing a front concave mold, wherein the front mold has an intrusion to accommodate the extrusion of the optical element; affixing the extrusion of the optical element to the intrusion of the front mold; attaching a back convex mold to the front concave mold, thereby forming a mold cavity; and filling the mold cavity with a pre-polymerized liquid, whereby upon polymerization, the pre-polymerized liquid forms the flexible contact lens and the optical element is partially encapsulated within the lens.

A thickness of a tapered part provided at the deeper side (−X side) in a light guide direction of a light transmission member is smaller toward the deeper side, and thus, a reflection angle of ghost light that has passed through a fourth reflection surface provided with a half mirror layer and reached the light transmission member gradually becomes smaller within the tapered part and no longer satisfies a total reflection condition, and the light is ejected to the outside in the position diverging from an eye of an observer. That is, the tapered part may prevent the ghost light from reaching the eye and good see-through observation can be realized.

In a period Tin, p-th input image data (p is a positive integer) and (p+1)th input image data are input to a liquid crystal display device. In a period T, i-th original image data (i is a positive integer) and (i+1)th original image data are generated based on the input image data. J number of sub-images (J is an integer equal to or more than 3) are generated based on the i-th original image data. In the period T, the J number of sub-images are sequentially displayed. At least one of the i-th original image data and the (i+1)th original image data is in an intermediate state between the p-th input image data and the (p+1)th input image data. Each of the sub-images exhibits one of first brightness and second brightness. At least one sub-image among the J number of sub-images is different from the other sub-images.

Tissue visualization device and method variations are described herein where an imaging hood is temporarily sealed against a region of tissue to be treated while under direct visualization. Such a system may include a deployment catheter and an attached imaging hood deployable into an expanded configuration. The imaging hood is placed against or adjacent to the tissue to be imaged in a body linen that is normally filled with an opaque bodily fluid such as blood. A translucent or transparent fluid is pumped into the hood until the fluid displaces any blood leaving a clear region of tissue to be imaged via all imaging element. Temporary sealing against the tissue can be achieved in a number of ways such as circumferential balloons inflatable within the hood or other sealing techniques. A field of view of the imaging element can be expanded by inflating the balloon beyond the imaging hood.

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.

An intermediate image is formed inside a prism by a projection lens and the like. Image light, totally reflected, in the order of a third surface, a first surface and a second surface, on two or more surfaces thereof, reaches an eye of an observer after passing through the first surface. Thus, it is possible to decrease the thickness of the prism and to reduce the size and weight of the entire optical system. Further, it is possible to realize a bright high-performance display with a wide viewing angle. With respect to external light, it is possible to pass the external light through the first surface and the third surface, for example, for observation. Further, by setting diopter at this time to about 0, it is possible to reduce defocusing or warp of the external light when the external light is observed in a see-through manner.

A pixel electrode or a common electrode is a light-transmissive conductive film; therefore, it is formed of ITO conventionally. Accordingly, the number of manufacturing steps and masks, and manufacturing cost have been increased. An object of the present invention is to provide a semiconductor device, a liquid crystal display device, and an electronic appliance each having a wide viewing angle, less numbers of manufacturing steps and masks, and low manufacturing cost compared with a conventional device. A semiconductor layer of a transistor, a pixel electrode, and a common electrode of a liquid crystal element are formed in the same step.

It is an object to manufacture and provide a highly reliable display device including a thin film transistor with a high aperture ratio which has stable electric characteristics. In a manufacturing method of a semiconductor device having a thin film transistor in which a semiconductor layer including a channel formation region is formed using an oxide semiconductor film, a heat treatment for reducing moisture and the like which are impurities and for improving the purity of the oxide semiconductor film (a heat treatment for dehydration or dehydrogenation) is performed. Further, an aperture ratio is improved by forming a gate electrode layer, a source electrode layer, and a drain electrode layer using conductive films having light transmitting properties.

A method of and apparatus for detecting people using a stereo camera. The method includes: calculating three-dimensional information regarding a moving object from a pair of image signals received from the stereo camera using stereo matching and creating a height map for a specified discrete volume of interest (VOI) using the three-dimensional information; detecting a people candidate region estimated as including one or more persons by finding connected components from the height map using a predetermined algorithm; and generating a histogram with respect to the people candidate region, detecting different height regions using the histogram, and detecting a head region by analyzing the different height regions using a tree structure.

A color filterless display device performing color display for expressing one pixel by three RGB sub-pixels includes: a light source; a diffraction grating for separating a light irradiated from this light source into lights of a plurality of wavelength regions; a cylindrical lens array for receiving the separated light and condensing the light while corresponding to each of the sub-pixels; and a liquid crystal cell including a structure portion for correcting an angle of the condensed light for all sub-pixels, wherein, in the structure portion of this liquid crystal cell, a side onto which a light from the cylindrical lens array is made incident is made of a high refractive index layer, an emitting side from which the light is emitted is made of a low refractive index layer, and a Fresnel-type microprism structure is formed by the high refractive index layer and the low refractive index layer.

The invention has an object to provide a liquid crystal display in which a wide angle of view is obtained and a response time at a halftone can be shortened by regulating an alignment orientation of a liquid crystal by the use of a polymer fixation system in which a liquid crystal layer containing a polymerizable component is sealed between substrates, and the polymerizable component is polymerized while a voltage is applied to the liquid crystal layer to fix a liquid crystal alignment. A liquid crystal layer containing a polymer for regulating a pretilt angle of a liquid crystal molecule and a tilt direction at a time of driving is sealed between two substrates arranged opposite to each other. A plurality of stripe-like electrode patterns in which a pattern width is formed to be wider than a width of a space, are arranged so that the liquid crystal molecule is aligned in a longitudinal direction of the pattern when the polymer is formed by solidifying a polymerizable component mixed in the liquid crystal layer while a voltage is applied to the liquid crystal layer.

A liquid crystal device includes first and second substrates which are arranged so as to face each other with a liquid crystal layer interposed therebetween, and first and second electrodes which are provided on the first substrate facing the liquid crystal layer. The liquid crystal layer is driven by electric fields generated between the first and second electrodes. A reflective display region for reflective display and a transmissive display region for transmissive display are provided in each of a plurality of subpixel regions. A liquid-crystal-layer-thickness-adjusting layer is provided in at least the reflective display region so as to vary the thickness of the liquid crystal layer in the subpixel region. A gap between the first and second electrodes in a main direction of an electric field in the transmissive display region is narrower than a gap between the first and second electrodes in a main direction of an electric field in the reflective display region.

An optical film in which a retardation film is laminated on one side of a polarizing plate, in which a transparent protective film is laminated on both sides of a polarizer, so that an absorbing axis of the polarizing plate and a slow axis of the retardation film may be perpendicular or may be parallel to each other, wherein a value Nz represented by Nz=(nx1-nzi) / (nx1-ny1) satisfies a range of 0.4 through 0.6, and an in-plane retardation Re1=(nx1-ny1)xd1 is 200 through 350 nm, where, a direction of the retardation film in which an in-plane refractive index within the film surface concerned gives a maximum is defined as X-axis, a direction perpendicular to X axis is defined as Y-axis, a thickness direction of the film is defined as Z-axis, refractive indexes in axial direction are defined as nx1, ny1, nz1, respectively, and a thickness of the film is defined as d1 (nm), and the transparent protective films comprise a thermoplastic saturated norbornene resin, may realize an easily viewable display with high contrast ratio in a wide range when applied to a display system and that may provide a retardation value stabilized under conditions of high temperature or high humidity.

A manufacturing method of a display device having TFTs capable of high-speed operation with few variations of threshold voltage is provided, in which materials are used with high efficiency and a small number of photomasks is required. The display device of the invention comprises a gate electrode layer and a pixel electrode layer formed over an insulating surface, a gate insulating layer formed over the gate electrode layer, a crystalline semiconductor layer formed over the gate insulating layer, a semiconductor layer having one conductivity type formed in contact with the crystalline semiconductor layer, a source electrode layer and a drain electrode layer formed in contact with the semiconductor layer having one conductivity type, an insulating later formed over the source electrode layer, the drain electrode layer, and the pixel electrode layer, a first opening formed in the insulating layer to reach the source electrode layer or the drain electrode layer, a second opening formed in the gate insulating layer and the insulating layer to reach the pixel electrode layer, and a wiring layer formed in the first opening and the second opening to electrically connect the source electrode layer or the drain electrode layer to the pixel electrode layer.