163results about How to "Reduce viewing angle" patented technology

A method for reconstructing a high quality image from undersampled image data is provided. The image reconstruction method is applicable to a number of different imaging modalities. Specifically, the present invention provides an image reconstruction method that incorporates an appropriate prior image into the image reconstruction process. Thus, one aspect of the present invention is to provide an image reconstruction method that requires less number of data samples to reconstruct an accurate reconstruction of a desired image than previous methods, such as, compressed sensing. Another aspect of the invention is to provide an image reconstruction method that produces a time series of desired images indicative of a higher temporal resolution than is ordinarily achievable with the imaging system. For example, cardiac phase images can be produced with high temporal resolution (e.g., 20 milliseconds) using a CT imaging system with a slow gantry rotation speed.

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.

A method of making a micro-louver structure includes coating a curable layer on a surface and imprinting a pattern of micro-channels in the curable layer. The micro-channels have a greater depth than width and are spaced apart by a separation distance greater than the width. The curable layer is at least partially cured to form a cured layer. A light-absorbing material is coated over the cured layer and in the micro-channels and at least a portion of the light-absorbing material removed from the surface of the cured layer leaving at least a portion of the light-absorbing material in the micro-channels. The light-absorbing material is cured to form a light-absorbing structure in each micro-channel.

To improve image quality of a full-color organic EL display panel. A partition has a stacked structure formed using different materials. A lower partition has a curved shape, and an upper partition has a flat top surface. An angle formed between a plane surface connecting a lower end of a side surface with an upper end of the side surface of the upper partition and the top surface of the upper partition is less than or equal to 90°. The height of the partition is controlled to be greater than or equal to 0.5 μm and less than or equal to 1.3 μm. With such a structure, a large color organic EL display panel achieves high-definition display.

A liquid crystal display device employs a white sub-pixel among RGBW-4 sub-pixels as a view control component to realize a narrow viewing angle or a wide viewing angle in a fringe field switching mode. The LCD device comprises gate lines and data lines crossing each other to define RGBW sub-pixels on a first substrate, a thin film transistor formed at each crossing of the gate and data lines; a first common electrode in each region of the RGBW sub-pixels, a pixel electrode connected to the thin film transistor and insulated from the first common electrode, the pixel electrode having at least one slit, a second substrate attached to the first substrate, wherein the first and second substrate face each other with a liquid crystal layer interposed therebetween, and a second common electrode on the second substrate and corresponding to each W sub-pixel.

A solid-state imaging apparatus includes: a pixel array section in which pixels including photoelectric conversion elements are two-dimensionally arranged in a matrix form, and a plurality of systematic pixel drive lines to transmit drive signals to read out signals from the pixels are arranged for each pixel row; and a row scanning section to simultaneously output the drive signals through the plurality of systematic pixel drive lines to a plurality of pixel rows for different pixel columns.

The invention provides a display device and method, relates to the technical field of display, and solves a problem that a conventional spying-resistant display device is poor in user experience. The device comprises a display panel; a visual angle adjustment panel which is disposed at a light-outgoing side of the display panel and comprises a plurality of alternate first and second regions; and a control apparatus which is connected with the visual angle adjustment panel. The control apparatus is used for controlling the first and second regions of the visual angle adjustment panel to allow light to pass when receiving a first instruction. When receiving a second instruction, the control apparatus controls the first regions of the visual angle adjustment panel to block light, and controls the second regions of the visual angle adjustment panel to allow light to pass.

A method for reconstructing a high quality image from undersampled image data is provided. The image reconstruction method is applicable to a number of different imaging modalities. Specifically, the present invention provides an image reconstruction method that incorporates an appropriate prior image into the image reconstruction process. Thus, one aspect of the present invention is to provide an image reconstruction method that requires less number of data samples to reconstruct an accurate reconstruction of a desired image than previous methods, such as, compressed sensing. Another aspect of the invention is to provide an image reconstruction method that produces a time series of desired images indicative of a higher temporal resolution than is ordinarily achievable with the imaging system. For example, cardiac phase images can be produced with high temporal resolution (e.g., 20 milliseconds) using a CT imaging system with a slow gantry rotation speed.

The invention discloses a backlight module and a peep-proof display device, and relates to the technical field of display. The visual effect of the peep-proof display device can be improved without affecting the peep-proof effect of the peep-proof display device. The backlight module comprises a light guide plate, a lens, and a light source. The lens is disposed between the light source and the light guide plate. Light emitted by the light source goes into the light guide plate through the lens at the same incident angle. The light-out surface of the light guide plate is provided with a plurality of bumps, and the light-out surface of the light guide plate is a total reflection surface except the bump areas. The light-out surfaces of the bumps are parallel to the light-out surface of the light guide plate. Light going to the bumps is first reflected by the total reflection surface, and then goes out in a direction vertical to the light-out surfaces of the bumps after one-time total reflection. The backlight module provided by the invention is suitable for electronic display equipment in need of backlight.

A method for reconstructing a high quality image from undersampled image data is provided. The image reconstruction method is applicable to a number of different imaging modalities. Specifically, the present invention provides an image reconstruction method that incorporates an appropriate prior image into the image reconstruction process. One aspect of the invention is to provide an image reconstruction method that produces a time series of desired images indicative of a higher temporal resolution than is ordinarily achievable with the imaging system, while mitigating undesired image artifacts. This is generally achieved by incorporating a limited amount of additional image data into the data consistency condition imposed during a prior image constrained image reconstruction. For example, cardiac phase images can be produced with high temporal resolution using a state-of-the-art multi-detector CT system with either fast gantry rotation speed or CT imaging system with a slow gantry rotation speed.

The invention discloses a display substrate, a manufacturing method therefor, and a display device. The display substrate comprises a plurality of light-emitting regions, and each light-emitting region comprises a first region and a second region, wherein the first region and the second region are provided with a bottom electrode and a top electrode and share one bottom electrode and one top electrode. The first and second regions of one light-emitting region are respectively provided with light-emitting layers made of the same materials between the bottom electrode and the top electrode of the light-emitting region. Electrical and optical property adjustment layers are respectively disposed between the light-emitting layer and the bottom electrode of each first region and between the light-emitting layer and the bottom electrode of each second region, wherein the electrical and optical property adjustment layers of the first and second regions are different from each other, or the electrical and optical property adjustment layers are respectively disposed between the light-emitting layer and the bottom electrode of each first region and between the light-emitting layer and the bottom electrode of each second region. Through the technical scheme of the invention, the brightness color bias and view angle bias of an organic light-emitting diode can be improved.

A cellulose acylate film is provided and has an elasticity modulus of 4,800 MPa to 10,000 MPa in at least either a machine direction MD at film-formation time or a direction TD perpendicular to the machine direction.

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.

The invention discloses a liquid crystal display device and a drive method thereof. A view angle controlling electrode is arranged on a second substrate (a color filter substrate) of the liquid crystal display device, and voltage is applied to the view angle controlling electrode when a narrow view angle is required, so that an electric filed perpendicular to the direction of a panel is generated among the view angle controlling electrode, and a pixel electrode and a public electrode which are arranged on a first substrate (an array substrate), liquid crystal molecules are subjected to an angle inclination change in the vertical direction, the objectives of inclined-view dark-state light leakage, reduction of the contrast, narrowing of the view angle, and narrow-view-angle display are realized. Accordingly, by adjusting the voltage applied to the view angle controlling electrode, switching between the mode of the wide view angle and the mode of the narrow view angle can be achieved.

A compensation film includes: a first retardation layer including a polymer; a second retardation layer including a liquid crystal having positive birefringence; and a compensation layer including a liquid crystal having a vertical alignment property, where an angle between slow axes of the first and second retardation layers is in a range of about 85 to about 95 degrees, an entire in-plane retardation (Re0) of the first retardation layer, the second retardation layer and the compensation layer for wavelengths of 450 nm, 550 nm and 650 nm satisfy the following inequation: Re0(450 nm)<Re0(550 nm)<Re0(650 nm), an in-plane retardation (Re3) of the compensation layer for the incident light having a wavelength of about 550 nm is in a range of about zero to about 50 nm, and a thickness direction retardation (Rth3) of the compensation layer for the incident light is less than zero.

The invention discloses an array substrate, a color film substrate and a display device, which relate to the technical field of display. Protection of privacy or business secret is realized by reducing the view angle of the display device. The array substrate comprises a plurality of pixel units which are distributed in a matrix form, wherein the display area of each pixel unit is provided with a light gathering element; and the light gathering elements are arranged on the light emitting path of the array substrate. The color film substrate comprises a plurality of pixel units which are distributed in a matrix form, and the display area of each pixel unit is provided with a light gathering element. The display device comprises the array substrate or the color film substrate.

The embodiment of the invention provides a backlight source, a display device and a control method thereof, and relates to the field of display technology. While peep-proof display is achieved, a user does not need to carry about a peep-proof film, and the application range is wide. The backlight source comprises a light guide plate and a light source arranged at the outer side of at least one side face of the light guide plate. The backlight source further comprises multiple light limiting strips arranged in an array mode, the light limiting strips are arranged on the surface of a light outlet face of the light guide plate, each light limiting strip comprises two electrodes arranged oppositely and a dimming layer located between the electrodes, and the dimming layers are in a opaque and nonopaque state according to the situation whether an electric field is formed between the electrodes. The backlight source is used for the display device with the peep-proof function and the normal display function switchable.

A connection arrangement for image and antenna signals of an automotive display includes a male connector disposed within a positioning base of the seat back and a female connector embedded into the rear side of the display. The male connector is positioned at the bottom of the slot of the positioning base and consists of a plurality of male terminals horizontally arranged and electrically coupled to an automotive audio / video player. An antenna plug is respectively fitted at both sides of the male terminals. The female connector includes an upper row of insertion holes, a lower row of insertion holes, and antenna jacks for a practical connection to the male connector in an obverse direction and a reverse direction. The front and rear sides of the face end of a control circuit board includes first signal contacts and second signal contacts opposing to the rear end of the female terminals of the insertion holes of the upper and lower rows. The signal contacts are adapted to be a detection module to detect if the female connector is in an obverse direction and a reverse direction, thereby determining if the display is in an obverse direction and a reverse direction. Thus, an automatic turning process can be carried out for the adjustment of the image output. In this way, the image and antenna connection modules are integrated into a body.

A monochromatic chip-scale packaging (CSP) light emitting diode (LED) device with an asymmetrical radiation pattern, including a flip-chip LED semiconductor die, and a reflective structure, is disclosed. A white-light broad-spectrum CSP LED device with asymmetrical radiation pattern is also disclosed by further including a photoluminescent structure in the CSP LED device. The photoluminescent structure covers at least the upper surface of the LED semiconductor die. The reflective structure adjacent to the LED semiconductor die and the photoluminescent structure reflects at least partial light beam emitted from the edge surface of the LED semiconductor die or the edge surface of the photoluminescent structure, therefore shaping the radiation pattern asymmetrically. A method to fabricate the aforementioned CSP LED device is also disclosed. Without using additional optical lens, the CSP LED device is suitable for the applications requiring asymmetrical illuminations, while keeping the advantage of its compact form factor.

An active matrix liquid crystal display device having a pair of substrates, a liquid crystal layer, scanning lines and video signal lines provided in a matrix manner, at least one pixel electrode and at least one common electrode. The at least one pixel electrode is bent so as to be inclined in first and second directions which are symmetrical relative to the alignment direction of the liquid crystal. The first direction of the pixel electrode is at a plus predetermined angle relative to the alignment direction, while the second direction of the pixel electrode is at a minus predetermined angle relative to the alignment direction.

The invention discloses a display base plate, a manufacturing method thereof, a display panel and a display device. The display base plate comprises a substrate base plate, a color film layer positioned on the substrate base plate, and a flat layer positioned on the color film layer. Due to the fact that the color film layer is provided with at least one spherical groove sinking to the substrate base plate, the flat layer can form a structure similar to a convex lens array; when the refractive index of the color film layer is smaller than that of the flat layer, light can be gathered when passing through an interface between the flat layer and the color film layer; when the display base plate is applied to the display panel, a viewing angle of the display panel can be reduced, so that the peep-proof function of the display panel can be achieved without a peep-proof film; moreover, the light is gathered when passing through the interface between the flat layer and the color film layer, so that the display brightness of a positive viewing angle of the display panel can also be improved, and the power consumption of the display panel can be reduced under the same display brightness.

A display device comprising a display panel (62) having a plurality of separately addressable pixels (64) for displaying an image, a first group (64a) of said pixels being configured to provide emergent light in a first polarisation state (P), and a second group (64b) of said pixels being configured to provide emergent light in a second polarisation state (S), a barrier layer (68) in optical association with the display panel to partially occlude said emergent light, the barrier layer having a first plurality of regions (72) for passing light in one of the first or second polarisation states, and a second plurality of regions (74) for passing light in the other of the first and second polarisation states and a third plurality of regions (76) for occluding said emergent light, and wherein the first (72) and second (74) regions of the barrier layer are respectively registered with the first (64a) and second (64b) groups of pixels so as to provide different views of an image displayed by said display panel.

A liquid crystal display device includes a liquid crystal cell, first and second polarizers disposed outside the liquid crystal cell, first and second retardation plates arranged between the first and second polarizers, and the liquid crystal cell, and optical layers arranged between the first and second retardation plates and the liquid crystal cell. The first and second retardation plates have lagging axes perpendicular with each other. The first polarizer has an absorption axis inclining by about 45 degrees relative to the lagging axis of the first retardation plate, and inclining by about 90 degrees relative to an absorption axis of the second polarizer. The absorption axes of the first and second polarizers are angularly deviated such that characteristic of a viewing angle in the liquid crystal display device is rendered symmetric, relative to a symmetry axis about which liquid crystal is aligned in different directions.

A pointer positioning device for positioning an aiming point on a display screen of an image display comprises at least one auxiliary point, an image sensor and an optical filter. The auxiliary point is disposed at the peripheral of the display screen for generating a predetermined spectrum. The image sensor receives signals of the predetermined spectrum generated by the auxiliary point. The optical filter is disposed in front of the image sensor for filtering out spectrum outside the predetermined spectrum such that the image sensor can merely sense the signals of the predetermined spectrum, wherein the auxiliary point is utilized as a reference point for correcting an initial setup and positioning the aiming point so as to position the aiming point inside a predetermined range on the display screen. The present invention also provides a pointer positioning method adapted to the pointer positioning device.

A large zoom ratio zoom lens includes four lens groups, a first lens group of positive refractive power, a second lens group of negative refractive power, a third lens group, and a fourth lens group of positive refractive power. The second and third lens groups move for zooming. The first lens group includes, from the object side, a fixed lens subgroup of negative refractive power, a lens subgroup of positive refractive power that moves for focusing adjustment, and a fixed lens subgroup of positive refractive power. The lens subgroup that moves for focusing includes a lens element of negative refractive power on its object side and two lens elements of positive refractive power. To suppress aberrations, specified conditions related to radii of curvature of lens elements and various internal focal lengths are satisfied. The zoom lens also minimizes fluctuations in the angle of view at the wide-angle end during focusing.

This invention provides a non-contact measurement method and device to multiple enlarge measurement range, which comprises: using two cameras to form the picture shoot part of the extensometer, ensuring some overlap area of the sight angles of two cameras; for tension test, when two index lines on sample within the first camera range together, using the first camera to acquire picture and determine the distance of lines; when the line move to overlap area, switching the picture; then, using the picture from the first / second camera to determine the distance between the lower / upper line and switch place, adding two distance values to determine the distance of two lines; when the lower line moves over the switch place, using the second camera to acquire picture and determine distance between lines.