| Patent application number | Description | Published |
|---|
| 20080247150 | SURFACE ILLUMINATION APPARATUS, AND LIQUID CRYSTAL DISPLAY WITH THE SAME - A surface illumination apparatus includes: a light source; an end-surface light-guide portion which guides light emitted from the light source in a long-side direction thereof and generates emitted light in a short-side direction thereof; and a light guide plate which allows the emitted light to be incident upon an end-surface portion thereof and emits the incident light from one main-surface portion thereof. The end-surface light-guide portion includes a plurality of polarization control portions arranged in the long-side direction; the plurality of polarization control portions each has a half-wave plate and a polarizing prism; the end-surface light-guide portion emits the emitted light in the form of either of S-polarized light and P-polarized light, using the plurality of polarization control portions; and the light guide plate emits, as output light, either of S-polarized light and P-polarized light from the one main-surface portion. | 10-09-2008 |
| 20080266897 | Surface illumination device and a liquid crystal display device using such a surface illumination device - A surface illumination device is provided with a laser light source capable of emitting a laser light, an incident surface on which the laser light is incident, a light guiding plate having a principal surface from which the laser light emerges as a surface emergent light, and an irradiating member capable of irradiating the laser light from the laser light source over a specified range extending in the longitudinal direction of the light guiding plate. | 10-30-2008 |
| 20080316898 | Confocal Optical System Aperture Position Detector, Confocal Optical System Aperature Position Controller, Optical Head, Optical Information Processor, and Confocal Optical System Aperture Position Detecting Method - In a confocal optical system provided with a light source | 12-25-2008 |
| 20090027587 | PLANAR LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An optical fiber | 01-29-2009 |
| 20090040787 | PLANAR ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A thin planar illumination device with a high light utilization efficiency is provided. In a planar illumination device | 02-12-2009 |
| 20090046361 | REFLECTION TYPE SCREEN AND FORWARD PROJECTION SYSTEM - There are provided a reflection type screen capable of suppressing effects of external light and obtaining a wide viewing angle with a simple structure, and a forward projection system having the reflection type screen. | 02-19-2009 |
| 20090052304 | Optical head device and optical information processor - A laser beam | 02-26-2009 |
| 20090066879 | LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY SYSTEM - A light source portion having laser light sources emitting red light, green light, and blue light and conventionally disposed integrally with the liquid crystal display panel is spatially separated from the liquid crystal display panel. Accordingly, the power supply, the optical system, and the heat source are incorporated into the light source portion and are thereby completely separated from the liquid crystal display panel. A laser beam emitted from the light source portion is guided to the liquid crystal display panel via a fiber. In this manner, it is possible to achieve a liquid crystal display device capable of significantly reducing the liquid crystal display panel in thickness and weight. | 03-12-2009 |
| 20090067313 | INFORMATION-RECORDING MEDIUM AND OPTICAL INFORMATION-RECORDING/REPRODUCING DEVICE - An information-recording medium having a substrate and a recording part formed on the substrate allowing three-dimensional formation of recording pits, the recording part, comprising multiple recording layers, in which the recording pits are formed with a converged recording light at a wavelength of λ | 03-12-2009 |
| 20090135376 | LIGHTING APPARATUS, DISPLAY APPARATUS, PROJECTION DISPLAY APPARATUS, LIGHTING METHOD, IMAGE DISPLAY METHOD AND IMAGE PROJECTION METHOD - Red light emitted from a red laser light source, green light emitted from a green laser light source and blue light emitted from a blue laser light source are incident on a first disc body of a color wheel, are transmitted or reflected in conformity with the colors of the lights in wavelength selecting regions of a second disc body every time the color wheel performs a predetermined rotation. AS being reflected by the first disc body, the lights are divided into different positions to be emitted from the color wheel and irradiated to irradiation regions successively switched by an upward or downward reciprocal movement of a mirror group. | 05-28-2009 |
| 20090141193 | IMAGE DISPLAY APPARATUS - A laser light source | 06-04-2009 |
| 20090190070 | PLANAR ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE ADOPTING THE SAME - A planar illumination device includes a laser light source; a light guide plate for guiding light entered through an end surface to be outputted from a first principal surface; an optical element which forms diffusing light outputted from the laser light source into a substantially parallel light in a thickness-wise direction of the light guide plate and which outputs the resulting parallel light to the end surface of the light guide plate; and a first light deflecting unit for deflecting a propagation direction in the light guide plate of the light incident thereon, wherein the first light deflecting unit is arranged such that a degree of deflection of the light incident on the light guide plate differs according to positions in the light guide plate, to make an amount of light outputted from the first principal surface uniform in the first principal surface. | 07-30-2009 |
| 20090190072 | Wavelength separator, planar illumination device and liquid crystal display device using the wavelength separator - A wavelength separator is provided with a reflective color filter arranged to intersect with an optical path of light emerging from a principal surface of a light guide plate, and a recycle portion arranged at a side of the light guide plate opposite to the reflective color filter. Out of light incident on the light guide plate, light reflected by the reflective color filter is returned to the reflected color filter again by being reflected by the recycle portion via the light guide plate. | 07-30-2009 |
| 20090231550 | LASER DISPLAY DEVICE - Provided is a laser display device capable of ensuring the safety of eyes and reducing speckle noise even if a screen is arranged at an arbitrary position. The laser display device includes a laser light source for emitting a laser light, a modulator for modulating the laser light and emitting a modulated light, and a branching unit for branching the modulated light into a plurality of branched lights. At least two of the plurality of branched lights reach substantially the same positions on a screen substantially at the same timings. | 09-17-2009 |
| 20090257029 | IMAGE FORMING DEVICE - An image forming device which has a high reliability and forms an image without speckle noise is provided. | 10-15-2009 |
| 20090262262 | PROJECTION TYPE DISPLAY APPARATUS - A projection type display apparatus is provided that is safe even when a person looks directly into a laser beam. A laser operation control unit sets the output power of at least one laser source so that intensity A (mW/mm | 10-22-2009 |
| 20090310087 | PROJECTION DISPLAY DEVICE, AND SPECKLE REDUCTION ELEMENT - An object of the invention is to miniaturize a projection display device, enhance reliability of the device, and reduce speckle noise. A blue laser ( | 12-17-2009 |
| 20090316115 | IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - An image display apparatus and an image display method, by which a desired image formation state on a retina can be constantly maintained, are provided. Thus, the image display apparatus of the present invention includes a laser light source for emitting laser light; a focus position adjustment section for adjusting a focus position, of the laser light by adjusting a spread angle of the laser light emitted by the laser light source; a scanning section for scanning a predetermined to-be-scanned area by using the laser light adjusted by the focus position adjustment section as scanning light; a light deflection section disposed at the predetermined to-be-scanned area for leading the scanning light to a cornea of the user; a light detection section disposed at a position where the light detection section has an optically conjugate relation with a surface of the cornea through the light deflection section, for detecting a part the scanning light reflected on the surface of the cornea and generating a detection signal; and a control section for controlling the laser light source, the focus position adjustment section, and the scanning section, The control section controls the focus position adjustment section to adjust the focus position of the laser light such that the detection signal generated by the light detection section agrees with an initial setting signal that is set in advance by the light detection section during an initial setting operation. | 12-24-2009 |
| 20090316431 | PLANAR ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A light source section ( | 12-24-2009 |
| 20100014022 | PLANAR ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A planar illumination device for illuminating a liquid crystal display panel provided with a polarizing plate on a light incident side, includes: a light source unit for emitting light having a specified polarization direction; and a light irradiating member for deflecting light emitted from the light source unit and irradiating the liquid crystal display panel with the deflected light, wherein the light irradiating member deflects the light emitted from the light source unit such that the polarization direction of the light emitted from the light source unit substantially coincides with a transmission axis direction of the polarizing plate of the liquid crystal display panel. | 01-21-2010 |
| 20100026929 | PLANAR ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A planar illumination device is provided with a plurality of light guide paths, on which scanned light in different scanning sections of a scanning range by a scanning unit is respectively incident, and an illumination unit having a plurality of emission regions for emitting the light guided by the respective light guide paths. The number of the emission regions is 2 or more and 1000 or less, and the respective emission regions successively become luminous as the scanned light is incident on the respective light guide paths. | 02-04-2010 |
| 20100045894 | PLANAR ILLUMINATION APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS USING THE SAME - Laser lights emitted from a light source | 02-25-2010 |
| 20100053497 | SURFACE ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY USING THE SAME - A light guide body is arranged and light emerging from the light guide body is made incident on a light guide plate. The light guide body is formed to introduce the incident light to the light guide plate in such a manner that the light incident on an end surface of the light guide plate has a specified light quantity distribution. | 03-04-2010 |
| 20100053565 | LASER ILLUMINATING DEVICE AND IMAGE DISPLAY DEVICE - An object of the invention is to provide a laser illuminating device and an image display device that enable to remove speckle noises in a diffraction field and an image field, uniformly illuminate an illumination plane, and realize miniaturization. A laser illuminating device | 03-04-2010 |
| 20100060551 | BEAM SCANNING-TYPE DISPLAY DEVICE, METHOD, PROGRAM AND INTEGRATED CIRCUIT - A beam scanning-type display device used as a head-mounted display (HMD) or a head-up display (HUD) includes a light source ( | 03-11-2010 |
| 20100073600 | PLANAR ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A planar illumination device | 03-25-2010 |
| 20100097580 | DISPLAY APPARATUS - A display apparatus that displays an image on a retina of a user, the display apparatus comprising: an image output unit ( | 04-22-2010 |
| 20100110517 | OPTICAL SCANNING DEVICE AND TWO-DIMENSIONAL IMAGE DISPLAY DEVICE USING THE SAME - An optical scanning device capable of stably and uniformly performing linear optical scanning by using a high-brightness light source is provided. The device includes: at least one laser light source ( | 05-06-2010 |
| 20100157256 | IMAGE PROJECTION DEVICE AND REAR PROJECTION TYPE DISPLAY DEVICE - An image projection device comprising an image projection means ( | 06-24-2010 |
| 20100164919 | LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a liquid crystal display device capable of performing image display with more adequate white level, during an operation of displaying an image which requires emphasizing white. A backlight illuminator for illuminating a liquid crystal display panel comprises a white light source adapted to generate white light, in addition to a laser source adapted to generate red light, blue light and green light. When an image to be displayed on a liquid crystal display panel requires emphasizing white, white light from the white light source is emitted to a liquid crystal display panel, in addition to red light, blue light and green light from the laser source. This makes it possible to display the image which requires emphasizing white, in the form of an image with more natural image quality. | 07-01-2010 |
| 20100165013 | LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a liquid crystal display device, which is capable of reducing a required response speed and increasing a pixel aperture ratio, as compared with a field sequential driving scheme. A unit pixel of a liquid crystal display panel is made up of a first sub-pixel adapted to allow only any two of red, green and blue lights to pass therethrough, and a second sub-pixel adapted to allow only a remaining one of the red, green and blue lights to pass therethrough, wherein one frame of image is time-divided into n pieces (wherein n is an integer of two or more), and respective image information about the two lights are applied to the first sub-pixel during every duration of the 1/n frame, while applying image information about the remaining one light to the second sub-pixel during a duration of the one frame of image. Further, the respective two lights are emitted during every duration of the 1/n frame in synchronization with applying the respective image information about the two lights, while continuously emitting the remaining one light during the duration of the one frame of image. | 07-01-2010 |
| 20100165297 | LASER PROJECTOR - A laser projector is provided with a laser light source ( | 07-01-2010 |
| 20100165307 | LASER IMAGE DISPLAY, AND OPTICAL INTEGRATOR AND LASER LIGHT SOURCE PACKAGE USED IN SUCH LASER IMAGE DISPLAY - A laser image display comprising a laser light source emitting laser light, a beam deflector element for receiving laser light and deflecting its advancing direction, a beam deflecting element control section for controlling the degree of deflection performed by the beam deflector element, an optical integrator for receiving and guiding the deflected laser light to output from its outputting end face, a pseudo surface light source element for scattering the deflected laser light, and a modulation element for receiving and modulating the laser light scattered by the false surface light source element. | 07-01-2010 |
| 20100177025 | INFORMATION DISPLAY DEVICE - An information display device ( | 07-15-2010 |
| 20100195022 | LIQUID CRYSTAL DISPLAY BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY - It is aimed to provide an LCD backlight device and liquid crystal display that can suppress light quantity loss and ensure uniform brightness. | 08-05-2010 |
| 20100201894 | PROJECTOR - A projector has: light source ( | 08-12-2010 |
| 20100214208 | PLANAR LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A planar lighting device that applies light having high luminance with good monochromatic characteristics, and a liquid crystal display device using the same are provided. The planar lighting device ( | 08-26-2010 |
| 20100220261 | PLANAR LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING SAME - The present invention provides a planar lighting device ( | 09-02-2010 |
| 20100220299 | IMAGE DISPLAY DEVICE - An image display device is provided with an image display unit for displaying an image visually recognizable by a viewer. The image display unit includes a sub-diffusion layer for diffusing laser light, a vibrator for vibrating the sub-diffusion layer, a primary diffusion layer for diffusing the laser light diffused by the sub-diffusion layer and a light shielding layer for cutting off outside light from a viewer side, wherein the primary diffusion layer and the light shielding layer are arranged at the viewer side of the sub-diffusion layer. | 09-02-2010 |
| 20100231861 | IMAGE DISPLAY APPARATUS - An image display apparatus is provided with a laser light source, a spatial light modulation device for modulating the laser light emitted from the laser light source, a display surface for displaying the modulated light, an optical pixel aperture enlarging member for distributing the luminance of the laser light while introducing the laser light to apertures of pixels of the spatial light modulation device; and a display pixel aperture enlarging portion for optically enlarging the modulated light by the apertures of the pixels of the spatial light modulation device corresponding to pixels of an image to be displayed on the display surface. The luminance of a partial area of each pixel of the image displayed on the display surface is controlled to be below the threefold of an average value of the luminance in the area of the entire pixel by the optical pixel aperture enlarging member and the display pixel aperture enlarging portion, thereby accomplishing speckle noise reduction and an improvement of light utilization efficiency. | 09-16-2010 |
| 20100231862 | PROJECTION TYPE DISPLAY DEVICE AND LIGHT SOURCE DEVICE - Miniaturization is realized and high-output lights are obtained by optimizing the arrangement of a laser light source unit and a homogenizer. | 09-16-2010 |
| 20100238959 | SOLID-STATE LASER DEVICE AND IMAGE DISPLAY DEVICE - A semiconductor laser light source | 09-23-2010 |
| 20100289986 | LIQUID CRYSTAL DISPLAY APPARATUS - A wavelength selection substrate | 11-18-2010 |
| 20100309438 | WAVELENGTH CONVERSION LASER - A wavelength conversion laser | 12-09-2010 |
| 20100321612 | PLANAR LIGHTING APPARATUS AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - Provided are a planar lighting apparatus which can perform display without luminance nonuniformity and with a specified luminance distribution in a scanning direction and has high luminance and a large area, and a liquid crystal display device using such a planar lighting apparatus. The scanning light quantity of scanning light | 12-23-2010 |
| 20110043766 | INFORMATION PROCESSOR WITH PROJECTOR - There is disclosed an information processor including a housing, a projector attached to the housing, and a screen attached to the housing, wherein the projector projects light onto the screen. | 02-24-2011 |
| 20110043768 | IMAGE DISPLAY APPARATUS - An image display apparatus ( | 02-24-2011 |
| 20110058122 | SURFACE ILLUMINATION APPARATUS AND LIQUID CRYSTAL DISPLAY USING SAME - A surface illumination apparatus has: a plurality of light sources ( | 03-10-2011 |
| 20110102874 | BEAM SCANNING DISPLAY APPARATUS - A scanning type image display apparatus includes a light source unit for emitting a laser beam, a scanning mirror for scanning the laser beam two-dimensionally in a first direction and a second direction that intersects the first direction, and a control unit for controlling driving of the scanning mirror. The control unit drives the scanning mirror such that a scanning frequency in the first direction is higher than a scanning frequency in the second direction, and varies a scanning amplitude in the first direction by varying the scanning frequency in the first direction in synchronization with a period of the scanning frequency in the second direction. | 05-05-2011 |
| 20110116010 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device has: a light source, a light guide plate for causing light from the light source to enter from a side surface of the light guide plate and exit as illuminating light from one principal surface thereof; a liquid crystal panel which includes a reflective color filter having wavelength selectivity in transmittance and reflectance and a polarizing plate disposed on a side that is closer to the light guide plate than the reflective color filter, and which is disposed on a light path of the illuminating light; and a recycle part for reflecting the illuminating light that has been reflected by the reflective color filter toward the reflective color filter once again, wherein the light from the light source is configured to enter the light guide plate as approximately linear polarization, and the polarizing plate of the liquid crystal panel is configured so exhibit transmittance of 90% or higher. | 05-19-2011 |
| 20110148661 | GUIDING DEVICE - A guiding device includes: a laser light source that emits a laser beam; and a linear guiding portion that propagates the laser beam and is extended in the guiding direction on a road surface on which a mobile body moves. The linear guiding portion is provided with a function of radiating the laser beam in the guiding direction from the surface where linear guiding portion extends, while propagating the laser beam, and guiding the mobile body by light. | 06-23-2011 |
