Abstract: A planar light source, Fresnel lens sheet, and louver are disposed in the stated order in a light source apparatus. The Fresnel lens sheet deflects and focuses in one dimension light that has entered from the planar light source. The louver is disposed in the optical path of the light emitted from the Fresnel lens sheet, and the directivity of the light can be increased by restricting the traveling direction of the light to the focal direction of the Fresnel lens sheet. The light utilization ratio can thereby be increased, the directivity of planarly emitted light can be increased, and the brightness can be made uniform at the point of observation.

Abstract: An optical element that can reduce the etendue of emitted light emitted from the optical element without having depend on the etendue of light-emitting elements is provided with a plasmon-excitation layer that is interposed between two layers having dielectric properties wherein, taking the plasmon-excitation layer as a border, the effective dielectric constant of the emission-side portion that is the emission layer side is higher than the effective dielectric constant of the incident-side portion that is the side of a carrier-generating layer, and the dielectric constant between the plasmon-excitation layer and the carrier-generating layer is higher than the dielectric constant between the carrier-generating layer and the light-incident surface.

Abstract: An image display system includes: display unit (13) for spatially combining a first polarized image generated by first polarized light and a second polarized image generated by second polarized light having a polarized light component different from that of the first polarized light and displaying a combined polarized image; display control unit (1) for causing display unit (13) to multiplex-display a plurality of different images in a time division manner concerning each of the first and second polarized images; and optical shutter (14) that selectively transmits only a polarized image corresponding to a selected image arbitrarily selected from among the plurality of different images.

Abstract: A transmitter that outputs an image signal for displaying a first image and outputs an image signal of a synthesized image made of the reversal image of the first image and a second image. A display apparatus, based on the image signals output from the transmitter, displays the first image and the synthesized image with circular polarizations having different senses of rotation from each other. A receiver includes a circular polarization selecting and transmitting means that separates the first image and the synthesized image displayed on the display apparatus, based on the sense of rotation of the circular polarization, and selectively allows the images to pass therethrough, so as to be able to photograph the first image displayed on the display apparatus.

Abstract: An optical member including: a Fresnel lens sheet for deflecting and emitting deflected light, A louver for restricting a direction of light rays, where the louver restricts the traveling direction of incident light from the deflecting element to a direction that is parallel to the optical path of the incident light, and emits the restricted light. The Fresnel lens sheet is disposed so that a machined surface thereof faces the louver.

Abstract: A polymerizable composition including a compound represented by following General Formula (1): (in Formula (1), M represents a metal atom; X1 and X2 each independently represents a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or greater; p represents an integer of 1 to n; n represents a valence of a metal atom M; and Y's each independently represents an inorganic or organic residue, where when n?p is 2 or greater, Y's may be bonded to each other to form a ring containing a metal atom M), a thiol compound and an episulfide compound.

Abstract: An optical element that is capable of reventing an increase in size while increasing the light intensity of fluorescent light includes: a light-guide plate (21) that propagates light incident from a light source (1); a phosphor layer (22) that is provided on the light-guide plate (21) and that generates fluorescent light by means of light from the light-guide plate (21); a metal layer (23) that is layered on the phosphor layer (22); and a diffraction grating that is formed at the interface of the phosphor layer (22) and the metal layer (23).

Abstract: A display device comprising a light source and having an optical waveguide, a louver, an anisotropic scattering sheet, and a transmissive liquid crystal panel disposed along the path of light emitted from the light source. The light-restricting direction of the louver is tilted at an angle ? from the Y-axis direction. The value of the angle ? is set so that the arrangement direction of moiré created between the louver and the liquid crystal panel approaches the X-axis direction. A plurality of belt-shaped convex portions extending in the Y-axis direction are formed on the surface of the anisotropic scattering sheet, and are configured so that the scattering direction of the light has anisotropy. Specifically, scattering in the X-axis direction is increased, and scattering in the Y-axis direction is reduced. Moiré can thereby be reduced in a display device having increased directivity of the display.

Abstract: A light source apparatus has two or more light sources that have different light-emission spectra and that can be controlled independently, and also has light sensors for detecting the quantity of light emitted by the light sources. The light sensors are composed of one type of light sensor that is not provided with a color filter for selecting the wavelength of received light, and the light sensors are sensitive to wavelength ranges that are sufficiently broad to simultaneously receive light in red, green, and blue wavelength ranges. A control circuit controls the two or more light sources to emit light in a time sequential fashion, and compares reference data with the output values of the light sensors to control the quantity of light emitted by the light sources by means of a light source drive circuit. It is thereby possible to reduce the cost and size of a light source apparatus that is capable of correcting changes in hue.

Abstract: A liquid crystal shutter that realizes a high speed response and that solves a problem in which light leakage cannot be alleviated is provided. An alignment film coated on substrate 5a adjacent to another liquid crystal device of substrates (5a) and (5b) of each of liquid crystal devices (2a, 2b) is horizontal alignment film (7a) and alignment film coated on the other substrate (5b) is vertical alignment film (7b). A alignment treatment is performed on the horizontal alignment film coated on substrate (5a) of liquid crystal device (2b) having a polarizer (3) in a direction parallel to a light transmission axis of analyzer (4) and an alignment treatment is performed on the horizontal alignment film coated on substrate (5a) of liquid crystal device (2a) having analyzer (4) in a direction parallel to the light transmission axis of polarizer (4). Liquid crystal materials (6) of liquid crystal devices (2a, 2b) have a positive dielectric anisotropy and have twisting directions that is the reverse of each other.

Abstract: An image processing apparatus, a display apparatus and an image displaying system wherein both secure and public images can be efficiently displayed with high quality without lowering the contrast of the public images. There are included a memory (101) that stores the image data of input secure and reversed images; a data assigning circuit (102) that assigns a pulse train, which has the same pulse width for the secure images and reversed images stored in the memory (101), as an image signal consisting of a pulse train to be used for displaying images on a display apparatus of PWM drive mode in which one frame is divided into a plurality of subfields to express brightness gray scales; and a shutter spectacle control signal generating circuit (103) that outputs a shutter control signal only during outputting of image signals in accordance with the secure images.

Abstract: An optical device whose efficiency and luminance can be further highly improved is provided. The optical device includes carrier generation layer 11 that causes fluorescence to occur with incident light, plasmon excitation layer 12 that excites first surface plasmons with said fluorescence, carrier generation layer 11 being laminated on carrier generation layer 11, and exit layer 13 that extracts the first surface plasmons or light that occurs on an opposite surface of carrier generation layer 11 contact surface of plasmon excitation layer 12 to the outside. Carrier generation layer 11 contains metal particles that excite second surface plasmons with said incident light.

Abstract: A transmission device displays a public image (a first image) provided to unspecified users, a private image (a second image) provided to particular users, and a mask image of the private image in a time division multiplexed manner, and transmits a private image sync signal synchronized with display of the private image. A reception device receives the private image sync signal transmitted from the transmission device and shoots by a shooting unit the private image displayed on the transmission device by using the private image sync signal, and displays the shot image on a display unit.

Abstract: A display system includes display terminals (1-1-1-4) that display pictures, a display control apparatus (3) that controls the display of pictures on the display terminals (1-1-1-4), and optical shutters (2-1-2-4) that are provided corresponding to each of the display terminals (1-1-1-4) and that enter a state of transmitting incident light in intervals in which private pictures are displayed on corresponding terminals and enter a state of blocking incident light in other intervals. The display control apparatus (3) controls the display terminals (1-1-1-4) such that private pictures are not simultaneously displayed on display terminals (1-1-1-4).

Abstract: A method for producing an alkylated aromatic compound includes a step (i) of producing a reaction product (a1) containing the alkylated aromatic compound and water by the reaction of an aromatic compound, a ketone, and hydrogen using a metal component containing at least one metallic element of copper, nickel, cobalt, and rhenium and a solid acid substance; a step (ii) of forming a dehydrated product (a2) from at least a portion of the reaction product (a1) by removing at least a portion of the water in the reaction product (a1); and a step (iii) of producing a reaction product (a3) containing the alkylated aromatic compound by bringing at least a portion of the dehydrated product (a2) into contact with a solid acid substance.

Abstract: According to a process of the invention, a ketone, an aromatic compound and hydrogen as starting materials are reacted together in a single reaction step to produce an alkylaromatic compound in high yield. A process for producing phenols in the invention includes a step of performing the above alkylation process and does not increase the number of steps compared to the conventional cumene process. The process for producing alkylated aromatic compounds includes reacting an aromatic compound such as benzene, a ketone such as acetone and hydrogen in the presence of a solid acid substance, preferably a zeolite, and a silver-containing catalyst.

Abstract: An image processing apparatus sequentially provides a display device with a plurality of image output including a first image, a second image set to become at least a part of an image that is not correlated with the first image when luminance values of pixels of the first image are added to it, and a third image set to become an image, which is obtained by adding luminance values of pixels of all pluralities of images, higher spatial-frequency components than those of the first image. The image processing apparatus has an optical shutter control unit for controlling an optical shutter provided between the display device and a viewer to make the shutter be in a light transmission state while a part of or all the first image is displayed, and in a light interception state while other images are displayed.

Abstract: A light source capable of solving a problem in which the etendue is increased when random polarization is converted into a specific polarization is provided. A relief structure that functions as surface plasmon excitation means for exciting a surface plasmon by a specific polarization component in a polarization direction perpendicular to a first direction in an interface between metal layer 15 and first cover layer 14 in light from emission layer 13 incident on the interface is formed at the interface. The relief structure is periodic in a second direction. Projections 21A of the relief structure are extended along the first direction.

Abstract: An image processing apparatus sequentially provides a display device with a plurality of image output including a first image, a second image set to become at least a part of an image that is not correlated with the first image when luminance values of pixels of the first image are added to it, and a third image set to become an image, which is obtained by adding luminance values of pixels of all pluralities of images, higher spatial-frequency components than those of the first image. The image processing apparatus has an optical shutter control unit for controlling an optical shutter provided between the display device and a viewer to make the shutter be in a light transmission state while a part of or all the first image is displayed, and in a light interception state while other images are displayed.

Abstract: In a display device equipped with a light source device, a second light-guide member is provided to the back surface of a first light-guide member that has an emitted light control sheet provided to the front surface thereof. The emitted light control sheet is composed of a flat plate portion and protrusions. A first light source mounted to a side surface of the first light-guide member, and a second light source mounted to a side surface of a second light-guide member are switched and turned on. The emitted light control sheet has light-condensing effects when the first light source is on, and has diffusing effects when the second light source is turned on. The angle range of illuminating light can thereby be switched.