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| 20090116221 | SURFACE LIGHT EMITTER AND DISPLAY DEVICE - In the present invention, provided is a surface light emitter in which an amount of light emitted from the surface light emitter and front luminance are designed to be increased, and generation of moire images is also designed to be inhibited, and also provided is a display device employing the surface light emitter as a backlight. Also disclosed is a surface light emitter possessing at least a light control sheet and a surface light-emitting device, wherein the light control sheet comprises protrusions provided on a surface of the light control sheet, and tip portions of the protrusions are attached to a light emission surface of the surface light-emitting device through an adhesion layer, and wherein the light control sheet has a haze value of at least 85%. | 05-07-2009 |
| 20100208557 | Optical Head and Optical Recording Device - An optical head includes: a slider which moves relative to a recording medium while the slider is floating above the recording medium; an optical waveguide which is provided on a side surface of an end portion of the slider and which has the focusing function of forming a light spot on the recording medium; and a light guide optical system that guides a light pencil to the optical waveguide. A light pencil coupling portion which receives the light pencil from the light guide optical system is provided in a surface parallel to a direction in which the light pencil is guided by the optical waveguide; and a reflective surface which deflects the light pencil to the light pencil coupling portion is provided in the light guide optical system. The light pencil coupling portion has the function of correcting aberration resulting from oblique incidence of the light pencil obliquely incident from the light guide optical system. A medium member which has a refractive index of more than one is provided between the reflective surface and the light pencil coupling portion. | 08-19-2010 |
| 20110019510 | RECORDING HEAD AND RECORDER - A recorder has a recording medium for information recording, a light source, an optical system, a slider, and an optical waveguide. To the optical system, light from the light source enters, and the slider moves relative to the recording medium while not in contact therewith. The optical waveguide is arranged at position facing the recording medium in the slider so that light entering from the optical system is irradiated on the recording medium. Where the mode field diameter of the optical waveguide on the light output side is d and the mode field diameter thereof on the light input side is D, the mode field diameter is converted by smoothly changing the diameter of the optical waveguide to satisfy D>d. | 01-27-2011 |
| 20110075526 | Optical Element, Arm Mechanism, and Information Recording Device - Proposed is a technique of guiding light to a waveguide, by which the light use efficiency is increased. In order to achieve the above object, adopted is an optical element comprising, at an outer edge portion thereof, an incident surface on which light from a light source is incident, a diffraction grating surface, and an internal reflection surface which guides light incident from the incident surface to the diffraction grating surface. | 03-31-2011 |
| 20110122754 | Deflection Optical Element, Optical Recording Head and Optical Recording Apparatus - Disclosed is a deflection optical element, which makes it possible to deflect an incident light so as to couple the incident light to an optical element disposed in the later stage without deteriorating the optical efficiency. The deflection optical element, which deflects an incident light coming along a first optical axis at a deflection surface and emits an emission light propagating along a second optical axis so as to couple the emission light to either a diffraction grating or a refracting optical system, comprises at least one diffracting surface and at least one reflecting surface, wherein the angle θn, an angle θt derived as a total diffraction angle caused by the at least one diffracting surface, and an angle θa, which is formed at a second intersection of the first optical axis and the second optical axis, fulfill a conditional relationship of: | 05-26-2011 |
| 20110128829 | Optical Recording Head And Optical Recording Apparatus - An optical recording head to record information onto a recording medium utilizing light including; a slider provided to move relatively to the recording medium; a light propagation element provided on a side surface of the slider substantially vertical against a recording surface of the recording medium so as to cause propagation of light incident with a predetermined angle to be irradiated on the recording medium; and, a prism provided on the light propagation element so as to oppose to the side surface of the slider having the light propagation element and to deflect the incident light to be incident into the light propagation element with a predetermined angle. | 06-02-2011 |
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| 20090196127 | OPTICAL RECORDING HEAD AND OPTICAL RECORDING APPARATUS - Provided is an optical recording head in which a light beam from a light source is collected by an optical element and reflected on a reflecting surface to be formed into a spot light. Since a support portion for supporting the light source of the optical element at a predetermined position and the reflection surface for reflecting the light beam are formed integrally with each other, it is not required to perform the positioning thereof, and light can be collected to a very small spot with high efficiency, and an optical recording head and an optical recording apparatus having low heights can be provided. | 08-06-2009 |
| 20090303858 | OPTICAL RECORDING HEAD, MAGNETO-OPTICAL RECORDING HEAD AND OPTICAL RECORDING APPARATUS - An optical recording head simply structured, enabling a reduction in thickness, and having sufficient efficiency even if a light source with small output is used when a plasmon probe is used. The optical recording head includes a light source section for emitting light, a slider moving relative to a recording medium, and an optical waveguide disposed in the slider, guiding the light from the light source section and irradiating the surface of the recording medium with the light, and having a light emission angle not perpendicular to the surface, of the slider, facing the surface of the recording medium. | 12-10-2009 |
| 20110019426 | SURFACE LIGHT EMITTER - A front luminance of light emitted from a surface light emitting apparatus having a surface light emitting element is greatly improved. The surface light emitting apparatus is provided with a surface light emitting element ( | 01-27-2011 |
| 20120069721 | RECORDING HEAD AND RECORDER - A recorder has a recording medium for information recording, a light source, an optical system, a slider, and an optical waveguide. To the optical system, light from the light source enters, and the slider moves relative to the recording medium while not in contact therewith. The optical waveguide is arranged at position facing the recording medium in the slider so that light entering from the optical system is irradiated on the recording medium. Where the mode field diameter of the optical waveguide on the light output side is d and the mode field diameter thereof on the light input side is D, the mode field diameter is converted by smoothly changing the diameter of the optical waveguide to satisfy D>d. | 03-22-2012 |
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| 20090047687 | Indane Acetic Acid Derivatives and Their Use as Pharmaceutical Agents, Intermediates, and Method of Preparation - This invention relates to novel indane acetic acid derivatives which are useful in the treatment of diseases such as diabetes, obesity, hyperlipidemia, and atherosclerotic diseases. The invention also relates to intermediates useful in preparation of indane acetic derivatives and to methods of preparation. | 02-19-2009 |
| 20110152330 | INDANE ACETIC ACID DERIVATIVES AND THEIR USE AS PHARMACEUTICAL AGENTS, INTERMEDIATES, AND METHOD OF PREPARATION - This invention relates to novel indane acetic acid derivatives which are useful in the treatment of diseases such as diabetes, obesity, hyperlipidemia, and atherosclerotic diseases. The invention also relates to intermediates useful in preparation of indane acetic derivatives and to methods of preparation. | 06-23-2011 |
| 20110152331 | INDANE ACETIC ACID DERIVATIVES AND THEIR USE AS PHARMACEUTICAL AGENTS, INTERMEDIATES, AND METHOD OF PREPARATION - This invention relates to novel indane acetic acid derivatives which are useful in the treatment of diseases such as diabetes, obesity, hyperlipidemia, and atherosclerotic diseases. The invention also relates to intermediates useful in preparation of indane acetic derivatives and to methods of preparation. | 06-23-2011 |
