Abstract: An image display apparatus includes a light source for emitting a plurality of light beams arranged in a direction corresponding to a sub-scanning direction, a light source driver for individually modulating intensities of the plurality of light beams; a light scanning unit for performing main scanning and sub-scanning; an image display screen for receiving the plurality of light beams scanned in the main and sub-scanning directions; and a controller, wherein, in one frame period, a distance of movement of the light irradiation positions on the image display screen moved by one sub-scanning is a distance obtained by multiplying an interval between adjacent two scanning lines in the sub-scanning direction on the image display screen by a predetermined integer which is an integer smaller than number of the plurality of light beams arranged in the direction corresponding to the sub-scanning direction.

Abstract: In a projection type display apparatus includes an illumination device (including a light source), a light modulation element, a projection optical system that projects a modulated light from the light modulation element, and a screen onto which a projected light is projected. The projection optical system includes a refraction type optical system that refracts the modulated light from the light modulation element, and a hologram element disposed on a position remote from the screen and shifted in a direction parallel to the screen from a center of the screen. The hologram element projects the modulated light having passed through the refraction type optical system onto the screen so that a light ray of the center of the modulated light is inclined with respect to a normal line of the screen.

Abstract: An image display projector and a method of displaying images are provided so as to enable reducing the occurrence of scintillation. The image display projector comprises: an optical engine for emitting light according to an inputted imaging signal; a Fresnel lens disposed to receive the light emitted from the optical engine, for emitting the incident light as collimated one; a diffusion member, placed in a position frontal to the Fresnel lens in the light-traveling direction, for emitting diffused light, by diffusing the collimated light emitted from the Fresnel lens; and a drive unit for moving either the Fresnel lens or the diffusion member, along a predetermined track (orbit), in a plane parallel to either the one from which the collimated light is emitted or the one from which the diffused light is emitted. And then, the moving velocity of either the Fresnel lens or the diffusion member is at any moment larger than zero in any direction within the parallel plane.

Abstract: According to the present invention, an image projector includes a reflecting light valve, a group of refracting lenses forming a projecting optical system that enlarges and projects an optical image given from the light valve, a power mirror having a power and forming the projecting optical system together with the group of refracting lenses, and a transmissive screen for displaying the optical image that is given from the light valve and enlarged by the projecting optical system, wherein the exit pupil position is set such that the minimum angle of view ? min exceeds 40°, and the Petzval partial sum of lenses is set larger than a value determined by the minimum angle of view.

Abstract: A display system includes respective light sources disposed at two opposed light input ends of a light guiding plate. A double-sided prism sheet is disposed on a light-emitting side of the light guiding plate and includes, on a first surface facing the light guiding plate, a triangular prism bank extending in a direction parallel to the light input ends of the light guiding plate. The double-sided prism sheet includes, on a second surface, opposite to the first surface, a cylindrical lens bank extending in a direction parallel to the triangular prism bank. A transmissive display panel is disposed on a light-emitting side of the double-sided prism sheet. A synchronization driving section alternatively illuminates the respective light sources so the transmissive display panel displays two different images.

Abstract: A lamp has a deformed lamp reflector and a lamp front glass. The deformed lamp reflector is made by deforming an ellipsoid of revolution of a conventional lamp reflector into an aspherical reflection surface rotationally symmetrical with respect to an optical axis. The lamp front glass is obtained by deforming at least one of an incident surface and outgoing surface of a conventional lamp front glass into an aspherical lens surface rotationally symmetrical with respect to the optical axis. A light flux emitted from the center point of an illuminant is reflected by the deformed lamp reflector, and output with a uniform density through all of the outgoing surface of the lamp front lens so that the light flux is condensed at focus point.

Abstract: A double-sided liquid crystal display device including a liquid crystal material, first and second electrodes for driving the liquid crystal material, first and second polarizers disposed on opposite sides of the liquid crystal material, a front light disposed at the opposite side of the first polarizer from the liquid crystal material, and a semitransmission reflector disposed at the same side of the liquid crystal material as the second polarizer for passing a part of light from the front light side passing through the liquid crystal. The first polarizer is disposed to absorb or transmit light passing through the liquid crystal material, and the second polarizer is disposed to absorb or transmit light passing through the liquid crystal material and then passing through the semitransmission reflector.

Abstract: An imaging apparatus including at least an imaging device having a plurality of photoelectric transfer devices arranged in matrix-shape to detect a light irradiated to each photoelectric transfer device and transfer to electric signal, and imaging means for imaging an image of a photogenic object on a surface of the imaging devices. The imaging means images at least two similar images of the photogenic subject on different area of the surface of the imaging device, and the imaging apparatus further includes electric signal processing means to form one image of photogenic subject from at least two images of photogenic subject. Since a plurality of images of photogenic subject can be formed on the imaging device by a plurality of image formation lenses, a thinner imaging apparatus can be realized.

Abstract: An imaging apparatus including at least an imaging device having a plurality of photoelectric transfer devices arranged in matrix-shape to detect a light irradiated to each photoelectric transfer device and transfer to electric signal, and imaging means for imaging an image of a photogenic object on a surface of the imaging devices. The imaging means images at least two similar images of the photogenic subject on different area of the surface of the imaging device, and the imaging apparatus further includes electric signal processing means to form one image of photogenic subject from at least two images of photogenic subject. Since a plurality of images of photogenic subject can be formed on the imaging device by a plurality of image formation lenses, a thinner imaging apparatus can be realized.

Abstract: A liquid crystal display according to the present invention includes: a liquid crystal cell 10, in which pixels having independently driven reflecting and transmitting members are arranged in a matrix, that is composed of a first substrate 15, a second substrate 17 having pixel driving members, and a liquid crystal 16 sandwiched between the first substrate 15 and the second substrate 17; a first polarizing means 13 disposed facing the first substrate 15; a second polarizing means 19 disposed facing the second substrate 17; a first front light 6 disposed outside the first polarizing means 13; and a second front light 7 disposed outside the second polarizing means 19. Owing to the configuration of the display, images can be displayed on both sides of the liquid crystal display.

Abstract: A display device includes a light guide plate which includes a light transmission portion and an antireflection portion at two opposite end faces and which is provided with a light extraction portion in part of a surface, respective light sources which are arranged on outer sides of the two opposite end faces, a transmission liquid crystal panel located adjacent to the light extraction portion, and a synchronous drive unit that alternately turns ON the light sources and that displays an image that is synchronous with an alternating turn-ON operation the transmission liquid crystal panel.

Abstract: A stereoscopic image display apparatus having a low image data input rate, in which the required capacity of a memory is reduced without causing flicker and ghosts. In the invention, right and left parallax image data is compressed, the compressed image data is stored in a frame memory, each of compressed image data for a right eye and compressed image data for a left eye, corresponding to the same display gate line, is read and decoded, line by line, and parallax image data for the right and left eyes for one frame are displayed multiple times, as alternating right and left fields, within one frame period.

Abstract: A stereoscopic image display apparatus having a low image data input rate, in which the required capacity of a memory is reduced without causing flicker and ghosts. In the invention, right and left parallax image data is compressed, the compressed image data is stored in a frame memory, each of compressed image data for a right eye and compressed image data for a left eye, corresponding to the same display gate line, is read and decoded, line by line, and parallax image data for the right and left eyes for one frame are displayed multiple times, as alternating right and left fields, within one frame period.

Abstract: A double-side liquid crystal display device including a liquid crystal material, first and second electrodes for driving the liquid crystal material, first and second polarizers disposed on opposite sides of the liquid crystal material, a front light disposed at the opposite side of the first polarizer from the liquid crystal material, and a semitransmission reflector disposed at the same side of the liquid crystal material as the second polarizer for passing a part of light from the front light side passing through the liquid crystal. The first polarizer is optically disposed to absorb or transmit light passing through the liquid crystal material, and the second polarizer is optically disposed to absorb or transmit light passing through the liquid crystal material and then passing through the semitransmission reflector.

Abstract: A lamp has a deformed lamp reflector and a lamp front glass. The deformed lamp reflector is formed by deforming a paraboloid of revolution of a conventional lamp reflector to an aspherical reflection surface which is rotationally symmetrical with respect to an optical axis. The lamp front glass is obtained by deforming the incident plane of a conventional lamp front glass to an aspherical lens surface rotationally symmetric with respect to the optical axis. A light flux radiated from the center point of the light source of an illuminant is reflected by the deformed lamp reflector, and is output through the lens as a parallel light flux having a circular cross section equal in area to the lens.

Abstract: A double-sided liquid crystal display device including a liquid crystal material, first and second electrodes for driving the liquid crystal material, first and second polarizers disposed on opposite sides of the liquid crystal material, a front light disposed at the opposite side of the first polarizer from the liquid crystal material, and a semitransmission reflector disposed at the same side of the liquid crystal material as the second polarizer for passing a part of light from the front light side passing through the liquid crystal. The first polarizer is disposed to absorb or transmit light passing through the liquid crystal material, and the second polarizer is disposed to absorb or transmit light passing through the liquid crystal material and then passing through the semitransmission reflector.

Abstract: A display system includes light sources disposed at two different light input ends of a light guiding plate; a double-sided prism sheet disposed on a light emitting side of the light guiding plate, and having on a first surface facing the light guiding plate a triangular prism bank extending in a direction parallel to the light input ends of the light guiding plate, and on a second surface, opposite to the first surface, a cylindrical lens bank extending in a direction parallel to the triangular prism bank; a transmissive display panel disposed on a light emitting side of the double-sided prism sheet; and a synchronization driving section causing the transmissive display panel to display two different images in synchronization with the light sources, wherein light from the light sources is emitted through the transmissive display panel at angles corresponding to right and left parallax, producing a stereoscopic display.

Abstract: A lamp has a deformed lamp reflector and a lamp front glass. The deformed lamp reflector is made by deforming an ellipsoid of revolution of a conventional lamp reflector into an aspherical reflection surface rotationally symmetrical with respect to an optical axis. The lamp front glass is obtained by deforming at least one of an incident surface and outgoing surface of a conventional lamp front glass into an aspherical lens surface rotationally symmetrical with respect to the optical axis. A light flux emitted from the center point of an illuminant is reflected by the deformed lamp reflector, and output with a uniform density through all of the outgoing surface of the lamp front lens so that the light flux is condensed at focus point.

Abstract: A transmissive display apparatus comprises a liquid crystal display unit; and a plane light source unit that comprises a tubular light source, a light guide, and a light-diffusing film having anisotropy that provides a consistent luminance in a display surface, and/or ultraviolet (UV) absorbability that absorbs the UV from the light source and prevents deterioration of a prism sheet in the display unit and liquid display cell. In the film, a light-scattering characteristic F(?) represents a relationship between the light-scattering angle ? and a scattered light intensity F fulfills Fy(?)/Fx(?)?1.01 over a range of ?=4 to 30°, wherein Fx(?) and Fy(?) represent the light-scattering characteristics in an X-axial direction and Y-axial direction of the film, respectively. The film comprises a light-diffusing layer composed of a plurality of resins which are different from each other in refractive index, and a transparent layer laminated on at least one side thereof.

Abstract: A lamp has a hybrid lamp reflector and a hybrid lamp front lens. In the reflector, an area outside of a boundary line with includes a lamp reflector having the shape of a paraboloid of revolution, and an area from the boundary line to an optical axis includes a lamp reflector having the shape of an aspherical revolution. The hybrid lamp front lens outputs light fluxes emitted from an arc discharge and reflected by the hybrid lamp reflector parallel to the optical axis.