| Patent application number | Description | Published |
|---|
| 20090022039 | Optical Pickup and Objective Optical System for Use in the Same - An optical pickup ( | 01-22-2009 |
| 20090159163 | Explosive Composition and Explosive Composition Shaped Body as Well as Method for Producing the Same - The invention provides an explosive composition obtained by milling a fuel component and an oxidizer component with an aqueous emulsion of a hydrophobic tackifier and drying them, which is high in the water resistance and good in the extrusion moldability and cleanability of a shaping machine and less in the production problem. Also, the explosive composition according to the invention is preferable to be applied as a shaped body to a gas generating agent, an autoignition agent, an enhancer agent or the like. Further, the explosive composition shaped body according to the invention is particularly preferable to be used for a gas generator actuating an automobile safety device. | 06-25-2009 |
| 20090190225 | OPTICAL MEMBER AND OPTICAL DEVICE INCLUDING THE OPTICAL MEMBER - The present disclosure relates to an optical member and an optical device including the optical member. More particularly, the present disclosure relates to an optical member whose surface is configured to be an antireflection concave-convex structure for suppressing reflection of incident light, and an optical device including the optical member. | 07-30-2009 |
| 20100165468 | ANTIREFLECTION STRUCTURE, OPTICAL UNIT, AND OPTICAL DEVICE - An antireflection structure having a high antireflection effect is provided. | 07-01-2010 |
| 20100172027 | OPTICAL MEMBER - The present invention relates to an optical element and, more particularly relates to an optical element having at least one surface in which an antireflection concave-convex structure is formed. | 07-08-2010 |
| 20100254248 | OPTICAL PICKUP OPTICAL SYSTEM AND OPTICAL PICKUP DEVICE HAVING THE SAME - An optical system for optical pickup, which optical system is used for performing recording, reproducing, and/or erasing of information on an optical recording medium and has a simple configuration, is provided. An optical pickup device | 10-07-2010 |
| 20100278030 | OPTICAL PICKUP OPTICAL SYSTEM AND OPTICAL PICKUP DEVICE HAVING THE SAME - An optical system for optical pickup, which optical system is used for performing recording, reproducing, and/or erasing of information on an optical recording medium and has a simple configuration, is provided. An optical pickup device | 11-04-2010 |
| 20110032811 | DIFFRACTIVE OPTICAL ELEMENT, OBJECTIVE OPTICAL SYSTEM INCLUDING THE SAME, AND OPTICAL PICKUP INCLUDING THE SAME - A diffractive optical element includes a first optical part and a second optical part bonded to each other with a bonded surface therebetween configured as a diffraction surface. In this diffractive optical element, the diffraction order of diffracted light with the largest quantity of light out of diffracted light for one of a plurality of kinds of laser beams obtained on the diffraction surface is different from the diffraction order for at least another laser beam. | 02-10-2011 |
| 20110157701 | DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL DEVICE - In a diffractive optical element, a first optical member and a second optical member are stacked, and a diffraction grating is formed at an interface between the first and second optical members. The diffractive optical element is configured so that the followings fall within a predetermined range: an inter-material gradient which is a ratio of an amount of change in reference refractive indexes between the first optical member and the second optical member, to an amount of change in principal dispersions between the first optical member and the second optical member; and a blaze wavelength of the diffraction grating. | 06-30-2011 |
| 20110157702 | DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL DEVICE - In a diffractive optical element, first and second optical members are stacked, and a diffraction grating is formed at an interface between the first and second optical members. In the diffractive optical element, an absorption coefficient α (mm | 06-30-2011 |
| 20110267487 | SOLID-STATE IMAGE PICKUP DEVICE, IMAGING DEVICE, AND DISPERSING ELEMENT - A solid-state image pickup device capable of taking more light into light receiving regions is provided. The solid-state image pickup device of the present invention includes: a photoelectric conversion unit having a plurality of light receiving regions that are two-dimensionally arrayed, the photoelectric conversion unit for photoelectrically converting light incident on each of the light receiving regions, and outputting an electric signal according to the intensity of the incident light; a lens unit comprising a plurality of converging lenses provided on an upper layer of the photoelectric conversion unit, each of the converging lens being provided corresponding to a set of continuous first to third light receiving regions; and a dispersing element provided between the photoelectric conversion unit and the lens unit, the dispersing element being formed of a medium whose refractive index varies periodically, and diffracting beams of a first wavelength band and of a third wavelength band, having been transmitted through the converging lens, and directing the beams onto the first light receiving region and the third light receiving region, and transmitting, without diffracting, a beam of a second wavelength band, having been transmitted through the converging lens, and directing the beam onto the second light receiving region. | 11-03-2011 |
| 20120075978 | Objective Lens Element and Optical Pickup Device - An objective lens element that can suppress occurrence of an aberration is disclosed. Sawtooth-like diffraction structures having different height and cycles (pitches) are provided on an inner part R | 03-29-2012 |
| 20120075982 | Objective Lens Element and Optical Pickup Device - An optical pickup device is provided which is compatible with at least two types of optical disc standards having different NAs and which controls an effective NA when a light beam for an optical disc standard having a relatively small NA is converged, thereby forming a desired spot. An inner part | 03-29-2012 |
| 20120163142 | Objective Lens Element and Optical Pickup Device Using the Same - An objective lens element which can obtain appropriate spot performance only by simple position adjustment, and an optical pickup device using the objective lens element are provided. In the objective lens element, an amount of a generated third-order astigmatism of a spot which is formed when symmetry axes of optically functional surfaces are located parallel to the normal line of a base plate and an incident light beam incident such that a central light beam thereof is tilted at 0.5 degree with respect to the normal line of the base plate is converged, is reduced to be less than an amount of a generated spherical aberration of a spot which is formed when the symmetry axes of the optically functional surface are located parallel to the normal line of the base plate and an incident light beam incident parallel to the normal line of the base plate is converged. | 06-28-2012 |
| 20120163154 | Optical Element and Optical Pickup Device Using the Same - An optical element which has optical steps each providing a phase difference to transmitted light and has low light amount loss and a high efficiency is provided. The optical element includes a symmetry axis, a plurality of optically functional surfaces which are ring-shaped regions around the symmetry axis, and a plurality of wall regions connecting the optically functional surfaces to each other. The optically functional surfaces and the wall regions constitute the optical steps. On a cross-section taken by, as a cutting plane, a plane including the symmetry axis, the contour line of each wall region is substantially parallel to a light beam which is incident on the optically functional surface on the outer side and passes near the wall region. The maximum value of the angle between the symmetry axis and the light beam passing near the wall region is equal to or more than 25 degrees. | 06-28-2012 |
| 20120163155 | Optical System for Optical Pickup - An optical system for optical pickup includes a magnification conversion optical element moving along an optical axis direction in accordance with each recording surface and an objective lens element converging a light beam incident through the magnification conversion optical element, to form a spot on a corresponding recording surface of the recording surfaces, and satisfies the following formula. | 06-28-2012 |
| 20120163156 | Objective Lens Element - A high-NA and thin objective lens which prevents occurrence of a crack during lens molding and can stably be molded is provided. The present invention is directed to an objective lens having an optical surface having power which is not negative. The objective lens is a single lens and is formed such that a flat portion which is provided at an outer peripheral portion and perpendicular to the optical axis is closer to a disc surface than the position of the top of an exit-side surface of the objective lens and such that the rate of change in sag of the exit-side surface is continuous across the entire region. | 06-28-2012 |
| 20120163157 | Optical Element and Optical Pickup Device - An optical element which can be shared by three wavelengths for BD, DVD, and CD and which is easily manufactured is provided. An objective lens system includes an optical element | 06-28-2012 |
| 20120170122 | Objective Lens Element - An objective lens element which has excellent compatibility with optical discs having different base material thicknesses is provided. An objective lens element | 07-05-2012 |
| 20120170439 | Objective Lens Element - An objective lens element having excellent compatibility with optical discs having different base material thicknesses is provided. The objective lens element has optically functional surfaces on an incident side and an exit side. At least either one of the optically functional surfaces on the incident side and the exit side includes a diffraction portion which satisfies at least either one of the following formulas (1) and (2): | 07-05-2012 |
| 20130169704 | IMAGE DISPLAY APPARATUS - An image display apparatus according to the present disclosure includes: an image display panel; a backlight device; a first optical element located between the image display panel and the backlight device and configured to deflect a light incident thereon; a second optical element located between the first optical element and the image display panel and configured to change a deflection angle of emitted light according to a voltage applied thereto; a plurality of first lenses located between the first optical element and the backlight device; a plurality of second lenses located between the second optical element and the image display panel; a position detection section configured to detect a viewing position of a viewer; and a control section configured to control the voltage applied to the second optical element, according to the detected viewing position. The first lenses and the second lenses constitute an afocal optical system. | 07-04-2013 |
| 20130170042 | OBJECTIVE LENS ELEMENT - An objective lens element having excellent compatibility with optical discs having different base material thicknesses is provided. The objective lens element has optically functional surfaces on an incident side and an exit side. At least either one of the optically functional surfaces on the incident side and the exit side includes a diffraction portion which satisfies at least either one of the following formulas (1) and (2): | 07-04-2013 |
| 20130222234 | IMAGE DISPLAY APPARATUS - The present disclosure realizes an image display apparatus that can make the emission angle range of emitted light bilaterally symmetrical, at low cost, irrespective of the material refractive index of a prism composing a liquid crystal prism. An image display apparatus | 08-29-2013 |
| 20130223201 | OBJECTIVE LENS AND OPTICAL PICKUP DEVICE - An objective lens capable of converging light of a used wavelength with a satisfactory aberration on a recording medium is provided. An objective lens for converging light of a predetermined wavelength λ on a recording medium satisfies the following condition: |CML|+|CMF|<0.03λ, where CML is an amount of a generated third-order coma aberration per 1 degree of tilt of the objective lens, and CMF is an amount of a generated third-order coma aberration per 1 degree of tilt of off-axis light. | 08-29-2013 |
| 20140035880 | DISPLAY CONTROL SYSTEM, POINTER, AND DISPLAY PANEL - The display control system performs display control according to a position indicated by a pointer on a display panel. The display panel includes pixel regions defined by a black matrix, and a positional information pattern showing a plan position is formed in the display panel. The pointer includes a reader configured to capture an image which is at the indicated position and includes the positional information pattern. The optical system of the reader is formed to have a low resolution so that the black matrix of the display panel is removed. | 02-06-2014 |
| 20140184507 | DISPLAY DEVICE AND DISPLAY CONTROL SYSTEM - A display control system includes a display device including a display area in which a plurality of pixels is provided and which displays an image and a pointer device configured to indicate a location on the display area. A locational information pattern indicating the ln on the display area is provided on the display area. The locational information pattern is made of a plurality of marks which is provided in the sub pixels and absorbs or reflects light. The pointer device is configured to optically read the locational information pattern in a location indicated on the display area. The display device controls the display area such that display contents in a location corresponding to the locational information pattern read by the pointer device. | 07-03-2014 |
| 20140247493 | OBJECTIVE LENS ELEMENT - An objective lens element which has excellent compatibility with optical discs having different base material thicknesses is provided. An objective lens element | 09-04-2014 |
| 20140300589 | DISPLAY DEVICE AND DISPLAY CONTROL SYSTEM - A display device having a display surface includes a plurality of black lines defining a plurality of pixels; and a plurality of information patterns arranged so as to overlap the display surface and each representing information regarding a position thereof on the display surface. Each information pattern is formed by using a plurality of marks provided so as to overlap the pixels, and each mark is formed from a material that transmits visible light and absorbs or diffusedly reflects infrared light. A length of each mark in a width direction of the thickest black lines among the black lines defining the pixel overlapped by the mark is larger than a width of each thickest black line. | 10-09-2014 |
| 20150036209 | LIGHT DEFLECTION ELEMENT AND IMAGE DISPLAY APPARATUS USING THE SAME - A light deflection element is capable of deflecting incident light so as to follow a position of an observer and suppressing reduction in intensity of light that reaches eyes of the observer regardless of their position. The light deflection element includes: a first optical element configured to deflect incident light; a second optical element configured to change a deflection direction of emitted light by changing a refractive index thereof according to a voltage applied thereto; a third optical element; and a control section configured to control the voltage applied to the second optical element. At least one of interfaces between the first and second optical elements and the second and third optical elements is an aspheric surface. The aspheric surface has an optical power that compensates enlargement of the emitted light which is caused by refractive index distribution caused when a voltage is applied to the second optical element. | 02-05-2015 |
| 20150042625 | DISPLAY CONTROL SYSTEM AND DISPLAY DEVICES - A display control system includes a display device including a display area in which a plurality of pixels is provided and which displays an image, and a pointing device configured to indicate one of positions on the display area. Position information patterns that represent the positions on the display area are provided in the display area. The pointing device is configured to optically read one of the position information patterns corresponding to the one of the positions. Each of the position information patterns is formed by a group of a plurality of marks. The half or more of the marks are provided in the sub pixels of a specific color of a plurality of different colors. | 02-12-2015 |
