Abstract: A light source apparatus according to an embodiment of the present technique includes a first light source section, a second light source section, a third light source section, and a synthesis section. The first light source section includes a plurality of red laser light sources arranged in an array. The second light source section includes a plurality of green laser light sources arranged in an array. The third light source section includes a plurality of blue laser light sources arranged in an array. The synthesis section synthesizes red laser light emitted from the first light source section, green laser light emitted from the second light source section, and blue laser light emitted from the third light source section to generate white light.

Abstract: The displaying apparatus unit according to the present invention includes a first holder configured to hold a displaying element, a second holder configured to hold an optical operating plate which operates on light from the displaying element, a first dustproof cover member disposed between the first holder and the second holder, and configured to cover a whole side surface of the displaying element, and a second dustproof cover member disposed between the first dustproof cover member and the second holder, wherein the first dustproof cover member is in contact with the first holder, the second dustproof cover member is in contact with the second holder, the first dustproof cover member and the second dustproof cover member are in contact with each other, and the first dustproof cover member has a hardness higher than that of the second dustproof cover member.

Abstract: A pixel element structure is disclosed. The pixel element structure includes first, second, and third sub-pixel elements, each including a light-emitting region. At least one of the first, second, and third sub-pixel elements includes a light-transmitting region, where the light-emitting region includes an organic light-emitting diode light-emitting structure, and where the organic light-emitting diode light-emitting structure includes a first substrate, and a nontransparent anode, a pixel defining layer, an organic layer and a cathode, sequentially arranged above the first substrate.

Abstract: A display panel is disclosed. The display panel comprising: two substrates assembled and connected to each other; films adhered to a display region on one surface of the first one of the two substrates facing away the second one and a display region on one surface of the second one of the two substrates facing away the first one respectively; and seal strips provided along the locations at which the substrates adjoin an edge of the films, for sealing the films and the substrates.

Abstract: An aspect of the polarization conversion element according to the invention is directed to a polarization conversion element including a first optical block including a first polarization separation film, a first reflecting film, a first surface, and a first light incidence surface, and a second optical block including a second polarization separation film, a second reflecting film, a second surface, and a second light incidence surface, wherein the first optical block and the second optical block are bonded to each other so that the first surface and the second surface are opposed to each other, the first polarization separation film is disposed so as to be opposed to the second polarization separation film via the first surface and the second surface, and the first polarization separation film is terminated at a position in the first surface separate from the first light incidence surface.

Abstract: A light guide plate having a rectangular plate-like shape includes a light entrance surface, a light exit surface, an opposite plate surface, and a light reflection pattern. The light entrance surface is a peripheral surface. The light exit surface is a plate surface. The opposite plate surface is opposite from the light exit surface. The light reflection pattern includes light reflection portions having distribution densities different from section to section of the opposite plate surface. The distribution densities are defined such that a difference between the distribution density in a section in the middle row and each end column and the distribution density in a section in the middle row and the middle column is larger than a difference between the distribution density in a section in the end row and each end column and the distribution density in the section in the end row and the middle column.

Abstract: A liquid crystal display device includes: a transparent electrode substrate including a transparent substrate and a transparent electrode, the transparent electrode being formed on one surface of the transparent substrate; a liquid crystal layer; and a pixel electrode substrate including a first layer and a second layer in this order, the first layer including a plurality of pixel electrodes that are located in a region opposed to the transparent electrode with the liquid crystal layer in between, and a first conductive film that is located in a region other than the region opposed to the transparent electrode with the liquid crystal layer in between, the second layer including a second conducive film that is located in a region overlapping the first conductive film. The first conductive film or the second conducive film or both are electrically isolated.

Abstract: The present disclosure relates to the field of display technology, and more particularly to a double-screen display device. The device includes: a first display panel and a second display panel; a light source; a polarization beam splitter configured to divide light emitted from the light source into P light and S light, and cause one of the P light and the S light to be incident on a first optical module and the other one to be incident on a second optical module; the first optical module configured to transmit received light to the first display panel; the second optical module configured to transmit received light to the second display panel.

Abstract: The present disclosure is an optical filter which includes: a Fabry-Perot resonator equipped with a laminated structure including one sheet of first metal layer, one sheet of second metal layer, and a dielectric layer; and one sheet of plate-shaped wire grid polarizer. The second metal layer is parallel to the first metal layer, the dielectric layer is interposed between the first metal layer and the second metal layer, the one sheet of plate-shaped wire grid polarizer is embedded in the dielectric layer, the one sheet of plate-shaped wire grid polarizer comprises three or more metal wire layers, the metal wire layers are parallel to one another, and the one sheet of plate-shaped wire grid polarizer is parallel to the first metal layer. In the optical filter according to the present invention, the effective extinction ratio of the wire grid polarizer is increased.

Abstract: Aspects according to one or more embodiments of the present invention are directed toward a quantum dot sheet, and a light unit and a liquid crystal display including the same, having desirable features of being capable of increasing light efficiency. According to exemplary embodiments of the present invention, it is possible to increase light efficiency by forming a quantum dot sheet including quantum dots in a pattern in which multiple layers having different refractive indexes are repeatedly stacked.

Abstract: To provide an optical film excellent in suppression of light leakage in black display. An optical film having a first phase difference layer and a second phase difference layer, wherein the second phase difference layer has an optical property represented by the formula (3) and the optical film has optical properties represented by the formulae (1), (2) and (30): Re(450)/Re(550)?1.00??(1) 1.00?Re(650)/Re(550)??(2) nx?ny<nz??(3) 0.001<|Rth(550)/Re(550)|<0.2??(30).

Abstract: A display device includes display units arranged in an array and a light guide unit. Each display unit includes a display panel including a display surface configured for displaying an image, and a frame located adjacent to edges of the display surface. The light guide unit includes a lower light guide and an upper light guide. The lower light guide is located above the display units, and includes first gratings. Each first grating corresponds to a side of one of the display unit and is configured for refracting light emitted from the display surface towards the corresponding side of the display unit. The upper light guide is located above the lower light guide and includes second gratings. Each second grating corresponds to one of the first gratings and is configured for reversely refracting light transmitted through the first grating towards a center of the display unit.

Abstract: An organic light emitting display and a method of manufacturing the same that reduces the number of the masks needed and improves production yield by forming alignment marks during an SGS crystallization process for producing a thin film transistor. The organic light emitting display includes a substrate having a display region and a non-display region, at least one pixel region formed of a thin film transistor and an organic light emitting element electrically coupled to each other in the display region of the substrate, and at least one alignment mark formed in a non-display region of the substrate by the SGS crystallization process.

Abstract: A semiconductor device includes a substrate that has a cell and a peripheral area, and an insulating layer. The insulating layer includes a first region located on the cell area and having outer edge along the cell area, a second region located on the peripheral area and having inner edge along the cell area, a third region located on an area between the cell and the peripheral area and a fourth region located between the second and the third region and forming a boundary with the third region. A conductive member is embedded in the first and the third region and no conductive member is embedded in the fourth region. The boundary has a curved portion.

Abstract: Embodiments for a backlight unit are provided. In one example, a backlight unit comprises a light guide configured to receive light at a first light interface located at an end of the light guide and output light via a second light interface located at a face of the light guide, and a plurality of light sources configured to inject light into the light guide at the first light interface. The example backlight unit also comprises a graded index film configured to receive light from the second light interface of the light guide, homogenize received light that is incident on the graded index film from within a range of acceptance angles and not homogenize light incident on the graded index film from outside of the range of acceptance angles, and direct the homogenized light toward an eye box.

Abstract: A reflective polarizing plate apparatus includes a reflective polarizing plate that transmits first linearly polarized light and reflects second linearly polarized light polarized in a direction substantially perpendicular to the direction in which the first linearly polarized light is polarized, a holding member that accommodates and holds the reflective polarizing plate, and a first biasing member that biases a glass surface of the reflective polarizing plate accommodated in the holding member.

Abstract: An image reading apparatus has a light source unit for illuminating an object to be illuminated, a reading unit for reading the object illuminated by the light source unit, a reflective unit, having at least a first reflection mirror, for reflecting reading light reflected by the object toward the reading unit, and a first light blocking portion for partially blocking light except the reading light. The first reflection mirror has a reflecting surface for reflecting the reading light, and an end surface substantially orthogonal to the reflecting surface. The first light blocking portion extends in a longitudinal direction of the first reflection mirror toward the end surface of the first reflection mirror, with a tip end of the first light blocking portion being opposed to the end surface of the first reflection mirror with a gap therebetween.

Abstract: A light source apparatus includes: at least one solid-state light source configured to output light in a predetermined wavelength range; a first optical system including at least one aspherical surface configured to convert a light flux from the solid-state light source into a substantially parallel light flux; an output unit including at least one light emitter that is excited by the light and emits visible light with a wavelength longer than that of the light, the output unit being configured to output light containing the light and the visible light; and a second optical system including at least one concave reflecting surface and being configured to reflect the light on the concave reflecting surface, the light coming from the solid-state light source and being converted into the substantially parallel light flux by the first optical system, to collect the light to the light emitter of the output unit.

Abstract: A light source includes a discharge lamp that outputs light, a discharge lamp driver that supplies drive power to the discharge lamp, a cooling unit that cools the discharge lamp, and a control unit that controls the cooling unit, and the control unit controls the cooling unit based on control information representing a relationship a rotation speed of the cooling unit between at least one of temperature information of the discharge lamp and a voltage between electrodes of the discharge lamp.

Abstract: Disclosed is a display device that includes a substrate having an active area and a dead area around the active area; an alignment mark on the inside surface of the substrate in a part of the dead area; and a light-shielding pattern on a rear surface of the substrate in the dead area, the light-shielding pattern including a mark hole for exposing the alignment mark. By providing the light-shielding pattern on a display surface in the dead area, the display device has expanded active display area and improved visual appreciation.

Abstract: A center of gravity shifting training system includes a display device having a display screen, a measurement device configured to measure a center of gravity position of the user, and a control device. The control device has a training mode and a setting mode of preparing setting data indicating a position of the target image in the display screen. In the setting mode, the control device performs estimation of a deviation of the center of gravity position based on the center of gravity position measured, and prepares the setting data indicating the position of the target image according to a result of the estimation. In the training mode, the control device displays the operation image on the screen in accordance with the center of gravity position measured, and displays the target image on the screen based on the setting data prepared through the setting mode.

Abstract: The present invention discloses a 2D/3D switchable liquid crystal lens assembly. The liquid crystal lens assembly from an emitting surface to an incident surface sequentially includes a plurality of adjacently arranged elongated convex lenses, a first transparent substrate, a second transparent substrate, a plurality of electrodes disposed on the second transparent substrate, and a liquid crystal layer sandwiched between the first and second transparent substrates. The plurality of electrodes are used for controlling an alignment of liquid crystal molecules inside the liquid crystal layer so as to adjust a refractive index of the liquid crystal molecules inside the liquid crystal layer corresponding to at least one pixel. The refractive index progressively increase or progressively decrease from a center toward both sides to control a propagation direction of incident light and guide the passed incident light to one of the convex lenses.

Abstract: A liquid crystal lens unit is provided for use in an autostereoscopic 3D image display. Light passing through the liquid crystal lens unit is refracted by a liquid crystal layer arranged by an electric field. The voltage levels applied to the to the liquid crystal layer are periodically changed thereby periodically oscillating the position of the focus profile of the liquid crystal lens unit. As a result, moiré patterns are removed and display quality is improved.

Abstract: A three dimensional display system comprises a display (207) presenting a plurality of views of a scene where each view corresponds to a viewing direction for the scene. A rendering unit (203) generates an image for each of the views. The rendering unit (203) is capable of generating differentiated images for neighboring views containing differentiated image data providing a three dimensional depth effect when neighboring views are viewed by different eyes of a viewer. A user processor (209) generates a user presence estimate in response to an attempted detection of a user in a viewing area for the display system. A 3D mode controller (213) modifies the three dimensional effect in response to the user presence estimate. For example, the display system may provide a two dimensional image when no user is present and a three dimensional image when a user is present. This may reduce discomfort experienced by viewers in suboptimal positions.

Abstract: A screen includes a polymer-dispersed liquid crystal layer including liquid crystal molecules, and polymer molecules different from the liquid crystal molecules, a twist angle of the polymer molecules is equal to or larger than 180°, and the polymer-dispersed liquid crystal layer comes into a first state of transmitting light entering the polymer-dispersed liquid crystal layer in a period in which an electric field fails to act on the polymer-dispersed liquid crystal layer, and comes into a second state of scattering the light entering the polymer-dispersed liquid crystal layer in a period in which the electric field acts on the polymer-dispersed liquid crystal layer.

Abstract: A vehicular lamp comprising includes a light-emitting diode that is used as a light source and that emits light; and a light transmitting member that is arranged in a path of the emitted light and through which the light is passed. The light transmitting member shields the light-emitting diode from infrared rays that travel in an opposite direction to a traveling direction of the light.

Abstract: An apparatus for displaying an image and controlling method thereof are disclosed, by which a more convenient and pleasant 3D stereoscopic image appreciating environment can be provided to a user. The present invention includes a display unit including a parallax generating means for displaying a 3D stereoscopic image of a binocular disparity type, a memory unit configured to store first to third images, and a controller determining a prescribed display condition, the controller, if a first condition is met, controlling the 3D stereoscopic image to be displayed via the display unit using the first image and the second image, the controller, if a second condition is met, controlling the 3D stereoscopic image to be displayed via the display unit using the first image and the third image. Preferably, the first to third images include images of a common object in different viewpoints, respectively.

Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.

Abstract: A laser projection device includes three laser chips, a spectroscope arranged on light paths of laser beams emitted from the three laser chips, and a lens mounted between the laser chips and the spectroscope. The lens includes a main body and a bending part bent from the main body. The main body is on the light paths of two of the laser chips. The bending part is on the light path of another laser chip. The laser beams emitted from the corresponding two laser chips are refracted by the main part of the lens. The laser beams emitted from the corresponding another laser chip are refracted by the bending part. The laser beams emitted from the laser chips are converged by the lens to reach the spectroscope and then reflected by the spectroscope to be mixed together.

Abstract: This document describes various apparatuses embodying, and techniques for implementing, a virtual image device. The virtual image device includes a projector and a lens configured to generate a virtual image as well as two diffraction gratings, substantially orthogonally-oriented to each other, that act to increase a field-of-view of the virtual image. The virtual image device can be implemented as a pair of eyeglasses and controlled to generate the virtual image in front of lenses of the eyeglasses so that a wearer of the eyeglasses, looking through the lenses of the eyeglasses, sees the virtual image.

Abstract: A microlens includes a lens center portion having a lens-curved surface and a lens circumference portion having a linear side surface. In the case where length of the side surface is taken as L1, length of an aperture is taken as Ax, an angle formed by a normal of the side surface and incident light on the microlens is taken as ?1, and an angle formed by the normal of the side surface and output light from the microlens is taken as ?2, a relational expression of Equation 1 is satisfied.

Abstract: The invention relates to a polarization rotator with small polarization ellipticity. The rotator includes a first optical unit (401) and a second optical unit (402) on a common optical axis. The first optical unit (401) is formed by a rectilinear polarizer (205) and a first quarter-wave plate (210), where the polarization direction of the polarizer is a bisector of the neutral axes of the quarter-wave plate. The second optical unit (402) is formed by a variable-delay plate (220) and a second quarter-wave plate (230), where the neutral axes of the second quarter-wave plate are bisectors of the neutral variable-delay plate axes.

Abstract: A projector includes a polarizing illumination device which supplies light; a liquid crystal device which modulates the light; and a projection lens which projects the modulated light. The liquid crystal device is provided with an element substrate which includes a plurality of pixel electrodes and a light shielding layer; an opposing substrate includes prisms which are formed of vacant grooves which are open toward the light shielding layer; and an liquid crystal layer which is provided between the element substrate and the opposing substrate. A width of the light shielding layer falls within a range of 0.575 ?m to 0.625 ?m, and when an angle of incidence of the light which is incident on the liquid crystal device falls within a range of 7° to 17°, an F number of the projection lens falls within a range of 1.8 to 2.2.

Abstract: The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.

Abstract: Since a relay optical system includes double gauss lenses and pairs of meniscus lenses disposed so as to be convex toward the double gauss lenses, it is possible to sufficiently minimize the occurrence of aberration from dimming light valves to color modulation light valves, to maintain an image formation state with high performance, and further to form a favorable image.

Abstract: To effectively suppress speckle noise generated when coherent light is used as a light source in a projection type image display device using an LCOS Liquid Crystal On Silicon). A projection type image display device according to the present invention includes: a light source that emits coherent light; an optical scanning section that scans the coherent light emitted from the light source; an LCOS that has an image formation area in which an image is formed; a projection optical system that projects an image formed on the image formation area on a screen; and a hologram that has polarization selectivity and diffuses scanning light scanned by the optical scanning section so as to allow diffusion light emitted from respective points thereof to illuminate the image formation area in an overlapping manner.

Abstract: The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as a light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.

Abstract: A screen including a first liquid crystal layer area including a polymer dispersion liquid crystal material and capable of switching a state of the first liquid crystal layer area between a transmission state and a scatter state based on voltage application and a second liquid crystal layer area provided outside the first liquid crystal layer area, including a liquid crystal material and a dichromatic dye, and capable of switching a state of the second liquid crystal layer area between a transmission state and a colored state based on voltage application.

Abstract: An image display apparatus includes a first optical modulation device and a second optical modulation device configured to emit linearly polarized lights whose polarization directions are perpendicular to each other, first pixels and second pixels are arranged in each of the first optical modulation device and second optical modulation device, retardation layers are disposed on the light emission side of the first pixels or second pixels, the retardation layers configured to convert one linearly polarized light of the linearly polarized lights into the other linearly polarized light. Either arrangements of the first pixels and the second pixels or arrangements of the retardation layers is set so as to be the same in the first optical modulation device and the second optical modulation device, and the other is set so as to be the reverse in the first optical modulation device and the second optical modulation device.

Abstract: A polarization controller adapted to output respective projection lights for a right-eye image and a left-eye image that are incident from a projector to a screen in different polarization directions, includes: a liquid crystal device adapted to change the polarization directions of the projection lights; and a controller adapted to control the liquid crystal device so that the respective projection lights for the right-eye image and the left-eye image have different polarization directions, wherein the controller performs control for mirror-reversing the polarization directions of the projection lights in the liquid crystal device according to a control signal indicating whether the projector performs mirror reversal of the right-eye image and the left-eye image, input from the projector.

Abstract: A projector includes a solid-state light source that emits linearly polarized light, a birefringence element that converts the linearly polarized light emitted from the solid-state light source into circularly or elliptically polarized light, a diffusion element that diffuses the light having exited from the birefringence element, and a polarization conversion element that separates the diffused light having exited from the diffusion element into first polarized light polarized in a first polarization direction and second polarized light polarized in a second polarization direction, converts the polarization direction of the first polarized light into the second polarization direction, and outputs the resultant first and second polarized light.

Abstract: Provided is a retardation element, including: a transparent substrate; a retardation imparting antireflection layer; a first birefringent layer; and a second birefringent layer which has approximately the same average thickness as that of the first birefringent layer and contacts the first birefringent layer such that an angle formed between a first line segment representing the principal axis of refractive index anisotropy of the first birefringent layer and a second line segment representing the principal axis of refractive index anisotropy of the second birefringent layer is neither 0° nor 180° when the first line segment and the second line segment are projected on the transparent substrate such that an end A of the first line segment at a side of the transparent substrate and an end B of the second line segment at a side of the transparent substrate coincide with each other.

Abstract: An image display apparatus includes: a light source that outputs light; a light modulation device that has plural pixels arranged in a matrix and modulates the light from the light source; a projection system that projects the light modulated by the light modulation device onto a projection surface; a pixel image shift unit that can shift positions of images of the pixels of the light modulation device projected on the projection surface; and a control unit that controls the light modulation device and the pixel image shift unit, wherein the control unit can switch whether the pixel image shift unit temporally shifts the positions of the images of the pixels or not.

Abstract: A look-up table unit converts input video signal data of N bits into (M+F+D) bit data by performing inverse gamma correction and linear interpolation. An error diffusion unit converts the (M+F+D) bit data into (M+F) bit data by error diffusion processing. A frame rate control unit converts the (M+F) bit data into M bit data by frame rate control. A sub-frame data conversion unit, by using a gradation driving table and the M bit data, generates sub-frame data in which all sub-frames include a step-bit pulse respectively, and in which the number of sub-frames to be in a drive state every time the drive gradation increases by one, is increased one by one.

Abstract: A display backlight can include a light source and a parabolic waveguide. The parabolic waveguide can have a light inlet to receive the light from the light source, a parabolic reflective surface adapted to change a direction of the light emitted from the light source by a predetermined angle, and a light outlet configured to emit the light at the predetermined angle.

Abstract: A spatial light modulator comprising an array-type liquid crystal panel, a polarization beam splitter, an oblique wave plate and a converging lens. The polarization beam splitter is orientated to direct a source light towards a reflective planar surface of the array-type liquid crystal panel. The oblique wave plate and converging lens are located between the polarization beam splitter and the array-type liquid crystal panel. The converging lens is configured to direct light from the reflective planar surface onto a facing surface of the polarization beam splitter.

Abstract: An LED projection night light for night time or dark area use includes a plug-in wall outlet night light or direct current operated night light with projection features to project an image, message, data, logo, or time on a ceiling, walls, floor, or other desired surface. The LED night light incorporates optics means such as an optics-lens, slides, openings, or cut-outs, and/or a transparent material piece, translucent material piece, telescope assembly, housing-member, slide-film, slide-disc, elastic-member, tilt-means, rotating-means, adjust-means, roller-means, mechanical-means, extend-means, convex lens, and/or concave lens designed to make the desired image, message, data, logo, or time project to the ceiling, walls, floor, or other desired surface to be seen by a viewer. The LED light has an interchangeable power source arrangement, permitting the night light to be selectively powered by either an AC powered sealed-unit or a DC powered battery-pack.

Abstract: A method and system for zonal switching for light steering to produce an image having high dynamic range is described. The system comprises: a light source for providing light along an optical path; a spatial light modulator for directing portions of the light to off-state and on-state light paths, thereby producing an image, the spatial light modulator having a plurality of illumination zones corresponding to the image; and a set of sequentially-arranged optical elements in the optical path for steering at least some of the light from a first subset of the plurality of illumination zones to a second subset of the plurality of illumination zones to increase the dynamic range of the image. The dwell time of the one or more sequentially arranged optical elements can be modified to steer light.

Abstract: A system is provided for projecting a three-dimensional image. The system includes a first light source, emitting a light of a first color and a second light source emitting light of a second color. At least one polarizing beam splitter (PBS) is disposed adjacent the first light and the second light source, and at least one imaging device is disposed adjacent the at least one PBS.

Abstract: A digital light processing projector includes a light emitting diode (LED), a laser, a rotatable optical element, a reflector, a first filter, a second filter, a digital micro-mirror device (DMD), and a projection lens. The LED and the laser respectively emit a first and second homogeneous lights. The rotatable optical element converts a first portion of the second homogeneous light to a third homogeneous light, reflects the third homogeneous light, and transmits a second portion of the second homogeneous light. The reflector reflects the third homogeneous light. The first filter transmits the first homogeneous light, and reflects the second portion to the second filter. The second filter transmits the second portion and the first homogeneous light, and reflects the third homogeneous light to the DMD. The DMD modulates the first, second and third homogeneous lights to obtain optical images. The projection lens projects the optical images on a screen.