Konica Minolta Opto, Inc. Patent applications |
Patent application number | Title | Published |
20150153638 | PROJECTION TYPE IMAGE DISPLAY APPARATUS - A projection type image display apparatus ( | 06-04-2015 |
20130285280 | OPTICAL COMPENSATION FILM, AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY EMPLOYING THE SAME - The present invention provides an optical compensation film, which has excellent visibility such as light leakage, uneven color tone and front contrast, and can simultaneously realize retardation and wavelength dispersion. The optical compensation film is characterized by containing a cellulose ester, the following polymer (a), and the following compound (b). (a) A polymer produced by copolymerizing an ethylenically unsaturated monomer having in its molecule a partial structure represented by Formula (1) with at least one ethylenically unsaturated monomer. (b) An esterified compound produced by esterifying all or a part of OH groups in a compound (A) having one furanose structure or one pyranose structure, or an esterified compound produced by esterifying all of or a part of OH groups in a compound (B) containing nor less than 2 and not more than 12 structures of at least one of a furanose structure or a pyranose structure. | 10-31-2013 |
20130249128 | INJECTION MOLD AND METHOD FOR MOLDING AN OPTICAL ELEMENT - An injection mold composed of a movable mold and a fixed mold. The movable mold has bases, a heat insulating layer and a surface processed layer, and the fixed mold has a base. A heat insulator is provided on the inner circumferential surface of the base of the movable mold at a part forming a wall of a cavity. The heat insulating layer is in the rear of the surface processed layer, and therefore, the transfer accuracy of a fine configuration of the surface processed layer is improved. Additionally, since the heat insulator is provided adjacent to the fine configuration, heat radiation from resin is inhibited, and the transfer accuracy of the fine configuration is further improved. | 09-26-2013 |
20130235552 | ANISOTROPIC DYE LAYER, COORDINATION POLYMER FOR ANISOTROPIC DYE LAYER AND POLARIZATION ELEMENT, AND POLARIZATION CONTROL FILM, POLARIZATION CONTROL ELEMENT, MULTI-LAYER POLARIZATION CONTROL ELEMENT, ELLIPSE POLARIZATION PLATE, LIGHT EMISSION ELEMENT, AND METHOD FOR CONTROLLING POLARIZATION PROPERTIES EMPLOYING THE ANISOTROPIC DYE LAYER - An anisotropic dye layer containing a coordination polymer is disclosed. The a polarization control film containing an oriented dichroic dye in which light absorption spectrum of a molecule is reversibly changed by charge passing are disclosed. | 09-12-2013 |
20130229567 | Image Pickup Lens, Image Pickup Apparatus, and Mobile Terminal - An image pickup lens includes: a first lens with a positive power, including a convex surface facing the object side; an aperture stop; a second lens with a negative power, including a concave surface facing the image side; a third lens with a positive or negative power; a fourth lens with a positive power, including a convex surface facing the image side; and a fifth lens with a negative power, including a concave surface facing the image side. The surface of the fifth lens facing the image side is an aspheric surface and includes an inflection point. The image pickup lens satisfies the predetermined condition relating to a focal length of the first lens. | 09-05-2013 |
20130176469 | Imaging Lens, Imaging Device and Portable Terminal - Provided is a small-sized five-element image pickup lens which ensures a sufficient lens speed of about F2 and exhibits various aberrations being excellently corrected. The image pickup lens is composed of, in order from the object side, a first lens with a positive refractive power, including a convex surface facing the object side; a second lens with a negative refractive power, including a concave surface facing the image side; a third lens with a positive or negative refractive power; a fourth lens with a positive refractive power, including a convex surface facing the image side; and a fifth lens with a negative refractive power, including a concave surface facing the image side. The image-side surface of the fifth lens has an aspheric shape, and includes an inflection point at a position excluding an intersection point with the optical axis. | 07-11-2013 |
20130169852 | Imaging Lens, Imaging Device and Portable Terminal - Provided is a small-sized five-element image pickup lens which ensures a sufficient lens speed of about F2 and exhibits various aberrations being excellently corrected. The image pickup lens is composed of, in order from the object side, a first lens with a positive refractive power, including a convex surface facing the object side; a second lens with a negative refractive power, including a concave surface facing the image side; a third lens with a positive or negative refractive power; a fourth lens with a positive refractive power, including a convex surface facing the image side; and a fifth lens with a negative refractive power, including a concave surface facing the image side. The image-side surface of the fifth lens has an aspheric shape, and includes an inflection point at a position excluding an intersection point with the optical axis. | 07-04-2013 |
20130119569 | METHOD OF MANUFACTURING AN OPTICAL ELEMENT - A method for manufacturing an optical element including: a surface including a plurality of grooves arranged concentrically. Each of the grooves includes a bottom surface with a predetermined width, a side surface, and a curved surface with a predetermined curvature radius. The bottom surface extends in a radius direction of the grooves. The curved surface connects the bottom surface and the side surface. | 05-16-2013 |
20130100792 | OBJECTIVE OPTICAL ELEMENT AND OPTICAL PICKUP DEVICE - Provided is an objective optical element which can appropriately correct degradation from spherical aberration upon fluctuation of a light source wavelength while maintaining light use efficiency, just by changing the magnification of the objective optical element, and which can record/reproduce information to/from different optical discs. Also provided is an optical pickup device using the objective optical element. When a light flux having two different wavelengths λ | 04-25-2013 |
20130100522 | OPTICAL ELEMENT AND PRODUCTION METHOD OF THE SAME - Disclosed is an optical element for use in an optical apparatus having a light source which emits a light flux with a wavelength λ (350 nm≦λ≦450 nm), the optical element containing: a molded portion formed by molding a resin; and one or a plurality of anti-reflection layers formed on the molded portion, wherein at least one of the anti-reflection layers is made of Si | 04-25-2013 |
20130088635 | Image Pickup Lens, Image Pickup Apparatus, and Mobile Terminal - An image pickup lens includes: a first lens with a positive power, including a convex surface facing the object side; an aperture stop; a second lens with a negative power, including a concave surface facing the image side; a third lens with a positive or negative power; a fourth lens with a positive power, including a convex surface facing the image side; and a fifth lens with a negative power, including a concave surface facing the image side. The surface of the fifth lens facing the image side is an aspheric surface and includes an inflection point. The image pickup lens satisfies the predetermined condition relating to a focal length of the first lens. | 04-11-2013 |
20120300321 | Lens Unit with a Temperature Compensation Function - A high-expansion compensating member and a low-expansion compensating member respectively have contact surfaces that make contact with each other in a state inclined with respect to the optical axis such that, when a variation in temperature causes the high-expansion compensating member to expand or contract in the direction perpendicular to the optical axis, the low-expansion compensating member is displaced in the optical axis direction. As the low-expansion compensating member is displaced in the optical axis direction, a compensator lens holding frame and a compensator lens move in the optical axis direction, and thereby a displacement in focal position occurring in an image-taking lens due to a variation in temperature is compensated for. | 11-29-2012 |
20120298007 | PROCESS FOR PRODUCING CELLULOSE ESTER FILM, CELLULOSE ESTER FILM, POLARIZATION PLATE AND DISPLAY UNIT - A process for producing a cellulose ester film that is produced by a melt casting method using no solvent at film formation, and that attains reduction of bright spot foreign matter, excelling in planarity, and that attains reduction of staining, excelling in dimensional stability. It is also intended to provide such a cellulose ester film, a polarizing plate and a liquid crystal display unit. There is provided a process for producing a cellulose ester film, characterized by forming into a film a material containing a cellulose ester and an ester compound of 1 to 7.5 distribution coefficient obtained by condensation of a polyhydric alcohol and an organic acid of the general formula: (1) according to a melt casting method. | 11-29-2012 |
20120283576 | Probe - A probe which is inserted into a lumen of inside of a body, irradiates an observation object part of a physiological tissue with excitation light, and detects fluorescence resulting from the excitation light, wherein the probe including: a plus lens arranged facing toward a tip side of the probe; and a plurality of optical fibers receiving the fluorescence at tip surfaces through the plus lens, wherein the tip surface are directed toward the plus lens and arranged in positions offset from an optical axis of the plus lens, wherein positions of the tip surface of at least optical fibers of which an amount of offset from the optical axis of the plus lens differ mutually among plurality of optical fibers are shifted mutually along the optical axis of the plus lens. | 11-08-2012 |
20120261845 | Resin Molded Article For Optical Element Manufacturing Apparatus And Method Of The Same - Disclosed is an apparatus for manufacturing a resin molded article having a hollow section inside for an optical element, by injecting a molten resin into a cavity. The apparatus has: a pressurized fluid injection device, which forms the hollow section by injecting a pressurized fluid into the molten resin injected into the cavity; and a bias device which biases a movable part in the same direction as a mold clamping direction. The movable part is moved with respect to a first mold or a second mold, in an opposite direction to the mold clamping direction against the bias force applied by the bias device, with a pressure increased in the mold by the injecting the pressurized fluid into the cavity. The moving is moved, in the same direction as the mold clamping direction, by discharge of the pressurized fluid. | 10-18-2012 |
20120218878 | Objective Lens, Optical Pickup Apparatus, and Optical Information Recording Reproducing Apparatus - An objective lens a first optical path difference providing structure in which a first basic structure and a second basic structure are overlapped with each other. The first basic structure is a blaze-type structure which emits a Xth-order diffracted light flux, when the first light flux passes through the first basic structure, where the value of X is an odd integer. At least a part of the first basic structure arranged around an optical axis includes a step facing an opposite direction to the optical axis. The second basic structure is a blaze-type structure which emits a Lth-order diffracted light flux, when the first light flux passes through the second basic structure, where the value of L is an even integer. At least a part of the second basic structure arranged around the optical axis includes a step racing the optical axis. | 08-30-2012 |
20120212829 | Method for Producing Wafer Lens Assembly and Method for Producing Wafer Lens - There is provided a method for producing a wafer lens assembly capable of adhering a wafer lens and a spacer surely. The wafer lens assembly includes a first substrate including plural optical members formed of a curable resin on at least one surface, a second substrate joined to the first substrate, and a stop member arranged between the first and second substrates. The first and second substrates are adhered with an adhesive made of a photo-curable resin. The method includes an adhesive applying step of applying the adhesive made of a photo-curable resin on a joining area, a stop-member forming step, and a photo-curing step of irradiating and hardening the adhesive applied in the adhesive applying step with light after the stop-member forming step. The stop member is formed so as not to prevent the light irradiated in the photo-curing step from reaching the adhesive. | 08-23-2012 |
20120211642 | Solid-State Imaging Device - Provided is a solid-state imaging device comprising a plurality of pixel circuits GC having photoelectric conversion characteristics including linear characteristics and logarithmic characteristics on either side of an inflection point. The pixel circuits GC each include a photoelectric conversion element PD which accumulates a signal charge by exposing a subject, and a floating diffusion FD which converts the signal charge accumulated by the photoelectric conversion element PD into a voltage signal. The floating diffusion FD is set to have an operating charge that is smaller than a saturation charge of the photoelectric conversion element PD. | 08-23-2012 |
20120206615 | Drive Unit and Drive Module - To provide a drive unit and a drive module which include a shape memory alloy as a drive source to move a driven member and are capable of the high-precision movement of the driven member to a reference position. A drive unit and a drive module can be provided by controlling, in the drive unit and the drive module which include the shape memory alloy as the drive source to move the driven member, the shape memory alloy so that the resistance of the shape memory alloy is equal to the resistance when the driven member is located at the reference position. | 08-16-2012 |
20120194787 | Image Projection Apparatus - An image projector has a light source emitting blue, green, and red illumination light, a digital micromirror device forming blue, green, and red images, and a projection system enlarging the images, and fulfills the formula FP≦1/(2·sin {sin | 08-02-2012 |
20120190990 | Probe, Diagnosis Device, and Method for Using the Diagnosis Device | 07-26-2012 |
20120188436 | ZOOM LENS AND IMAGING DEVICE - A zoom lens has first through fourth lens groups from the object side to the image side, and changes the magnification by changing their intervals. The first and third lens groups and the second and fourth lens groups have negative and positive powers, respectively. When changing the magnification from the wide-angle end to the telescopic end, the interval between the first and the second lens groups is reduced. The first lens group includes a reflective optical element. The second lens group includes at least two lenses, and the lens nearest to the image is a single plastic positive lens. The third lens group is configured by a single plastic negative lens. When the focal length of the single lens nearest to the image in the second lens group is defined as f | 07-26-2012 |
20120187800 | Electromechanical Conversion Element and Actuator - An electromechanical conversion element having high connection reliability and an actuator equipped with the electromechanical conversion element. The electromechanical conversion element includes: a displacement part capable of expanding and contracting by application of voltage and having electrode forming faces and an adhesion face which are disposed adjacent to each other; and external electrodes on the electrode forming faces, in which lead electrodes for applying voltage to the displacement part are bonded to bonding regions provided in the external electrodes, and a driven member capable of being driven by the expansion and contraction of the displacement part is bonded to the adhesion face by an adhesive. The electromechanical conversion element further includes bleed flow blocking parts on the electrode forming faces at points closer to the adhesion face than ends of the bonding regions located on the same side as the adhesion face. | 07-26-2012 |
20120182855 | Objective Lens and Optical Pickup Device - Provided is an objective lens that enables the suppression of molding defects in a high NA lens, and an optical pickup device. As the objective lens (OBJ) includes a thick-flange section (FT), a thick-flange-section forming section ( | 07-19-2012 |
20120182854 | Objective Lens for Optical Pickup Device, Optical Pickup Device, and Optical Information Recording and Reproducing Device - Provided is an optical pickup device capable of ensuring the compatibility among three types of optical discs, i.e., BDs, DVDs, and CDs, with a common objective lens and, in addition, capable of ensuring a sufficient working distance for CDs, and also provided are an optical information recording and reproducing device and an objective lens suitable for the optical information recording and reproducing device. On the objective lens, there is arranged a first optical path difference providing structure formed such that: the direction of step differences of a basic structure wherein the diffraction order of a blue-violet laser light flux become an odd order faces toward the opposite direction of the optical axis; the direction of step differences of a basic structure wherein the diffraction order of the blue-violet laser light flux become an even order faces toward the optical axis; and both the basic structures are overlapped together. | 07-19-2012 |
20120182624 | LENS AND PROCESSING METHOD OF THE SAME - Disclosed is a lens wherein characteristic direction of aberration and the like can be easily determined, and a lens processing method. A reference point of the characteristic direction of aberration and the like is clarified by providing a thin portion ( | 07-19-2012 |
20120177949 | Glass Substrate for Information Recording Medium, Information Recording Medium, and Method for Producing Glass Substrate for Information Recording Medium - For the purpose of providing a glass substrate for an information recording medium capable of acquiring a low GA value, provided is the glass substrate for an information recording medium, wherein a surface of the glass substrate has an arithmetic mean undulation Wa of less than 0.6 nm, and a fine undulation having a root-mean-square height Rq of less than 0.01 nm at a measurement wavelength of 80-120 μm in a radial direction. | 07-12-2012 |
20120170001 | Image Projection Device - The rotation axis of each mirror of a DMD ( | 07-05-2012 |
20120162615 | Image Projection Apparatus - Assuming that a normal line of an image display surface of a DMD is a normal line Ax of the image display surface, that a direction in which a light beam specularly reflected by a mirror is outputted is a specular reflection direction R, and that an angle that the specular reflection direction R forms with respect to the normal line Ax of the image display surface is denoted by γ, an image projection apparatus satisfies the following conditional expression: β | 06-28-2012 |
20120140047 | Stereoscopic Image Shooting Apparatus - A stereoscopic image shooting apparatus has first and second shooting optical systems, a single image sensing device, a wavelength switcher, and a controller. The shooting optical systems form left-viewpoint and right-viewpoint subject images. The image sensing device has an image sensing surface on which the subject images are formed. The wavelength switcher switches wavelengths of the light incident on the image sensing surface by the controller. By forming the left-viewpoint subject image with light in the specific wavelength range and simultaneously forming the right-viewpoint subject image with light in the wavelength range other than the specific wavelength range, a first image is formed in a first frame. By forming the right-viewpoint subject image with light in the specific wavelength range and simultaneously forming the left-viewpoint subject image with light in the wavelength range other than the specific wavelength range, a second image is formed in a second frame. | 06-07-2012 |
20120140046 | Stereoscopic Image Shooting Apparatus - A compound-eye type stereoscopic image shooting apparatus has a single image sensing device and two shooting optical systems. The two shooting optical systems include a first shooting optical system for forming a first subject image composed of light in a first wavelength range alone and a second shooting optical system for forming a second subject image composed of light in a second wavelength range alone which is different from the first wavelength range. The image sensing device has an image sensing surface divided into a first image sensing area for recording the first subject image and a second image sensing area for recording the second subject image. The image sensing device has, on the image sensing surface, a wavelength filter that transmits, in the first image sensing area, light in the first wavelength range alone and, in the second image sensing area, light in the second wavelength range alone. | 06-07-2012 |
20120133868 | POLARIZING PLATE, METHOD OF MANUFACTURING THE SAME AND LIQUID CRYSTAL DISPLAY EMPLOYING THE SAME - Disclosed are a polarizing plate manufacturable by a manufacturing method safe in work and less imposing a burden on the environment using protective films excellent in adhesion with the polarizer and a method for manufacturing the same. A liquid crystal display device using the polarizing plate and having both a large viewing angle and a high visibility (high contrast and so forth) is also disclosed. The polarizing plate made by holding both surfaces of the polarizer held with protective films is characterized in that at least one protective film is a protective film hydrophilized by either a plasma treatment or a corona treatment and that the surface energy of the protective films before the hydrophilization and the surface energy of the protective films after the hydrophilization satisfy a predetermined relational expression. | 05-31-2012 |
20120127716 | Led Lighting Device, Street Light, and Optical System for Led Lighting Device - A reflector has a reflection plane for reflecting light emitted from an LED light source in the direction that goes away from the optical axis of the LED light source with respect to the direction parallel to the optical axis, whereby the effective use of emitted light can be ensured by reflecting, for example, peripheral light, which normally cannot be effectively used, in a proper direction by the reflection plane and causing the reflected light to enter a diffusion lens. Further, by using the abovementioned reflection plane, the thickness of the reflector can be reduced and the diffusion effect of the emitted light can be increased, thereby enabling an increase in the flexibility of the design of the diffusion lens and a reduction in the thickness thereof, and consequently the thickness of an LED lighting device can be reduced. | 05-24-2012 |
20120120785 | Optical Pickup Device - Provided is an optical pickup device which suppresses the decrease of light amount and performs conversion to circular polarization light, wherein the optical pickup device includes a beam splitter and a raising mirror on each of which a layered member is formed, and the optical pickup device satisfies conditional expressions relating to intensities of S-polarized light and P-polarized light with respect to the beam splitter of a laser beam emitted from a semiconductor laser element, reflecances of S-polarized light and P-polarized light on the beam splitter, a reflection phase difference obtained by subtracting a phase of S-polarized light from a phase of P-polarized light after the reflection, reflectances of S-polarized light and P-polarized light on the raising mirror, and a reflection phase difference obtained by subtracting a phase of S-polarized light from a phase of P-polarized light after the reflection. | 05-17-2012 |
20120119169 | CELLULOSE ACETATE FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed are a cellulose acetate film characterized by comprising cellulose acetate that has a degree of acetylation of 51.0-56.0% and a compound represented by Formula (1) and having a total average degree of substitution of 6.1-6.9, a polarizing plate capable of maintaining excellent visibility, and a liquid crystal display device having excellent visibility and viewing angle characteristics. (In Formula (1), R | 05-17-2012 |
20120111230 | CELLULOSE ESTER FILM, METHOD OF MANUFACTURING THE SAME, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY - An object of this invention is to provide a cellulose ester film which satisfies the requirement 0.9505-10-2012 | |
20120057149 | Optical Characteristic Measuring Probe - Provided is an optical characteristic measuring probe which can detect the position and the direction of the leading end of the probe without affecting a monitoring image. The bendable optical characteristic measuring probe is provided with a light guide body ( | 03-08-2012 |
20120026847 | Optical Device, Manufacturing Method Thereof, Optically Assisted Magnetic Recording Head and Magnetic Recorder - Disclosed is an optical device including a concave surface formed of a part of a cylindrically curved surface, and the concave surface is a reflection surface. | 02-02-2012 |
20120026387 | Actuator, Drive Device, and Imaging Device - An object of the present invention is to provide an actuator allowing a control of displacement and configured to offer a high degree of freedom in designing, and a drive device and an imaging device including the actuator. To achieve the object, an actuator is adopted including a movable part deformable in accordance with heat generation and a control section controlling the amount of deformation of the movable part. In the actuator, the movable part is structured with a plurality of portions including a base portion, a force generating portion, and a heat generating portion being stacked, the force generating portion generating force in accordance with heating, the heat generating portion generating heat in accordance with a current supply, the force generating portion generating force in accordance with heating of the force generating portion due to heat generation of the heat generating portion which is caused in accordance with the current supply to the heat generating portion, so that the generated force causes deformation of the base portion, the force generating portion, and the heat generating portion to thereby deform the movable part. An electrical resistance in the heat generating portion changes in accordance with deformation of the heat generating portion. The control section controls the amount of deformation of the movable part by detecting the amount of deformation of the movable part based on the electrical resistance in the heat generating portion and making a control so as to supply to the heat generating portion a current necessary for obtaining a desired amount of deformation based on a result of the detection of the amount of deformation. | 02-02-2012 |
20120026357 | IMAGE INPUT DEVICE - Provided is an image input device capable of generating a luminance signal having a high ratio of S/N of an image, and further capable of providing the image with a little uncomfortable feeling even in the night time when the amount of photons is few, wherein, when a visible light luminance signal is relatively low, and an infrared component is predominant in an original image component, for example, correcting color-difference signals with added luminance prevents the color-difference signals with the added luminance from being too high, thereby it becomes possible to perform more natural color reproduction, which is close to original visible light, and gives a little uncomfortable feeling. | 02-02-2012 |
20120019912 | Lens - Provided is a lens having a high NA, wherein defects caused when the lens is molded can be eliminated and the laps exhibits a high mountability. A transition surface transferring surface ( | 01-26-2012 |
20120018761 | PHOSPHOR MEMBER, METHOD OF MANUFACTURING PHOSPHOR MEMBER, AND ILLUMINATING DEVICE - In the present invention, provided is a phosphor member capable of improving a yield and an extraction rate, in addition to high environmental tolerance, high heat resistance, high durability and a high color rendering property, by which variations of color and an amount of light are reduced, and also provided are a method of manufacturing the phosphor member and an illuminating device. Disclosed is a phosphor member prepared separately from an LED light source constituting a white illuminating device, wherein the phosphor member possesses phosphor particles and an inorganic layer having been subjected to coating and a heat treatment. | 01-26-2012 |
20120017455 | SHAPE MEASURING DEVICE - A shape measuring device to measure a shape of a workpiece, wherein the shape measuring device includes:
| 01-26-2012 |
20120015169 | HARD COAT FILM, POLARIZING PLATE, METHOD FOR PRODUCING HARD COAT FILM, AND METHOD FOR PRODUCING LIQUID CRYSTAL PANEL - The object of the present invention is to prevent or suppress occurrences of uneven saponification and blocking, while improving cutting properties and dimensional stability. Specifically disclosed is a hard coat film ( | 01-19-2012 |
20120008183 | RESIN MOLDED ARTICLE FOR OPTICAL ELEMENT, METHOD FOR MANUFACTURING RESIN MOLDED ARTICLE FOR OPTICAL ELEMENT, DEVICE FOR MANUFACTURING RESIN MOLDED ARTICLE FOR OPTICAL ELEMENT, AND SCANNING OPTICAL DEVICE - Provided is: a resin molded article for an optical element wherein high surface precision is kept since an abnormal appearance-formed portion such as a hesitation mark is effectively formed outside an optical surface without cutting off the portion and an optical surface itself can be less likely to be influenced by shrinkage with hardening such as sink; a method and device for manufacturing the same; and a scanning optical device. The resin molded article for an optical element which comprises first surface portion at a part of the surface of a resin molded base and comprises a hollow portion found by injecting a fluid into the inside of the base from the outside. Assuming that the distance between the first end of the base and an end of the first surface portion, the end being close to the first end, is A and the distance between the second end of the base, the end being other than the first end and being on the opposite side across the first surface portion, and the end of the first surface portion, the end being on the side close to the second end, is B, the relations of (A>0, B>0, A≦B) are satisfied. | 01-12-2012 |
20120006387 | MOISTURE-PROOF FILM, METHOD FOR MANUFACTURING THE SAME, BACK SHEET FOR SOLAR CELL MODULE AND SOLAR CELL MODULE USING THE SAME - Disclosed are: a moisture-proof film in which an inorganic oxide layer is formed by coating with high productivity and which has excellent moisture-proof performance compared to conventional deposition or sputtering procedures; a process for producing the moisture-proof film; a back sheet for a solar cell module and a solar cell module, which comprise the moisture-proof film. The moisture-proof film comprises a resin base and a moisture-proof layer arranged on the resin base, wherein the moisture-proof layer comprises a coating film comprising an inorganic oxide film containing inorganic oxide particles having an average particle diameter of 1 nm to 1 μm inclusive. | 01-12-2012 |
20120002143 | VERTICAL ALIGNMENT MODE LIQUID CRYSTAL DISPLAY - A vertical alignment mode liquid crystal display comprising: a liquid crystal cell; a first polarizer; a second polarizer; a first optical film arranged between the first polarizer and the liquid crystal cell; and a second optical film arranged between the liquid crystal cell and the second optical film, wherein the first and the second optical films each are a resin film having an optically biaxial property, the first and the second optical films meet: Formula (1) Ro | 01-05-2012 |
20110308712 | PROCESS FOR PRODUCING POLARIZING PLATE, POLARIZING PLATE PRODUCED BY THE PROCESS, AND LIQUID CRYSTAL DISPLAY DEVICE USING THE POLARIZING PLATE - Disclosed is a process for producing a polarizing plate which is transparent, has resistance against high temperatures and high humidity, and is significantly improved in brittleness. Specifically disclosed is a process for producing a polarizing plate comprising two polarizing plate protective films and a polarizer intercalated between the polarizing plate protective films, which is characterized in that at least one of the two polarizing plate protective films is an acrylic film comprising an acrylic resin (A) and a cellulose ester resin (B) at a ratio of 85:15 to 55:45 by mass, and the acrylic film is drawn in at least one direction at a draw ratio of 10 to 150% inclusive and is subsequently bonded to the polarizer with an aqueous adhesive agent. | 12-22-2011 |
20110288815 | POSITION DETECTOR AND POSITIONING DEVICE - A position detector ( | 11-24-2011 |
20110279714 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND IMAGE PICKUP APPARATUS - An image processing device includes a corrector for performing an optical correction of correcting a distortion of an image by interpolating image data of the distorted picked-up image resulting from an optical characteristic of an image pickup section, and locally changing a resolution of the image; and a compressor for performing a dynamic range compression of compressing a dynamic range of the image data by extracting an illumination component from the image data based on a space frequency of the image, and compressing the extracted illumination component, wherein the compressor performs the dynamic range compression with respect to image data of an after-correction-image to be obtained after the optical correction is performed by the corrector. | 11-17-2011 |
20110273611 | Single-Focus Optical System, Image Pickup Device, and Digital Apparatus - Provided is a single-focus optical system which is configured, in order from the object side to the image side, of a first to third lens groups and in which the first lens group and the third lens group are fixed with respect to a predetermined imaging surface, and the second lens group is moved in the optical axis direction to focus, wherein the first lens group comprises at least one positive lens and at least one negative lens, the second lens group comprises at least one positive lens, the third lens group comprises at least one lens having at least one aspheric surface and having a positive optical power at a peripheral portion thereof, and 5<|Δv | 11-10-2011 |
20110267709 | IMAGING LENS, IMAGING DEVICE, AND MOBILE TERMINAL - The present invention provides an image pickup lens, an image pickup apparatus, and a mobile terminal. The image pickup lens includes a lens group. The lens group includes a lens substrate which is a parallel flat plate, and lenses are formed on an object side surface and image side surface of the lens substrate, where a lens with a positive refractive power formed on the lens substrate has an Abbe number of νp and a lens with a negative refractive power formed on the lens substrate has an Abbe number of νn. The difference between the Abbe number νp and the Abbe number of νn satisfies 10<|νp−νn|. | 11-03-2011 |
20110243430 | IMAGE INPUT APPARATUS - Provided is an image inputting apparatus wherein luminance signals having a high S/N ratio can be generated even during nighttime with a small quantity of photons. An imaging element images image components. A color signal generating section generates color signals from the image components. A color space conversion section converts the color signals into a color space that includes luminance signals and color difference signals. The color space conversion section calculates a luminance signal obtained by adding the image components, as the luminance signal of the color space to be converted. | 10-06-2011 |
20110242398 | SHAPE MEMORY ALLOY ACTUATOR DRIVE DEVICE AND METHOD, AND IMAGING DEVICE USING THE SAME - A driving circuit ( | 10-06-2011 |
20110235003 | LASER PROJECTOR AND IMAGE PROJECTION METHOD - A laser projector comprises an oscillation device for displacing at least one of a plurality of optical elements, which constitute the projection optical system of the laser projector, periodically along the direction of the optical axis of laser light. The laser projector reduces the speckle of a projection image on an arbitrary screen to such an extent as it cannot be recognized with human eyes, without having a significant effect on the image resolution, by periodically displacing the position of the smallest spot of laser light projected from the projection optical system. An image projection method is also provided | 09-29-2011 |
20110226392 | Drive device, lens barrel, image pickup apparatus, lens drive method and method of producing shape memory alloy - A lens barrel, an image pickup apparatus, a lens drive method and a method of producing a shape memory alloy used for the drive device are disclosed. A drive device includes: a lens group for guiding light from a subject; a shape memory alloy adopted to be deformed by an electricity supplied to the shape memory alloy, for moving the lens group in a direction of an optical axis; and electricity-supply controlling means for controlling an amount of the electricity supplied to the shape memory alloy; and a detecting means for detecting whether a movement of the lens group starts or not. In the drive device, a movement amount of the lens group in the direction of the optical axis is controlled based on the amount of electricity supplied when the detecting means detects the movement of the lens group. | 09-22-2011 |
20110216227 | METHOD FOR ADJUSTING IMAGE PICKUP DEVICE AND IMAGE PICKUP DEVICE - Provided is a method for adjusting an image pickup device, wherein a position of an image pickup element is set to an initial position, a uniform luminance surface is picked up, a luminance distribution on an image pickup surface is calculated, whether data of the luminance distribution on the four corners of the image pickup surface substantially agree with each other or not is judged, and such operations are repeated until the data substantially agree with each other by moving the position of the image pickup element by a predetermined value. By using the position of the image pickup element obtained when the data substantially agree with each other as information of the center position, the center position of the image pickup element can be adjusted in a short time and an image having a natural luminance distribution can be obtained. | 09-08-2011 |
20110195746 | IMAGE PICKUP LENS, IMAGE PICKUP DEVICE, AND MOBILE TERMINAL DEVICE - An image pickup lens, comprises sequentially from an object side: an aperture stop, a first lens being a positive meniscus lens which has a convex surface at the object side and a concave surface at an image side opposite to the object side, and a second lens having a concave surface at the object side and an image side surface whose radius of curvature on an paraxial region is infinite or a negative value, wherein the first lens is the second lens and the image side surface of the second lens includes an aspheric surface to make a positive power strong toward a lens peripheral region, and wherein the image pickup lens is made to satisfy the following conditional formulas. | 08-11-2011 |
20110195279 | METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM - A method for manufacturing a glass substrate for an information recording medium, wherein the abrasive and foreign matters adhered on the glass substrate after the polishing step are surely removed without making the cleaning step complicated. The glass substrate is cleaned by scrubbing with water to which 0.5-5.0 mass % of hydrogen peroxide has been added as a cleaning solution. | 08-11-2011 |
20110194163 | IMAGE DISPLAY DEVICE AND HEAD-MOUNTED DISPLAY - A total reflection surface and a holographic optical element (HOE) surface are formed on the same surface (S | 08-11-2011 |
20110194014 | Imaging Lens, Imaging Device, and Portable Terminal - The imaging lens includes, in order from the object side, a first lens having positive refractive power, a second lens having positive refractive power, and a third lens having negative refractive power. The first lens is provided with a substrate portion which is a parallel plate, and a lens portion formed of a material having a refractive index different from that of the substrate portion on at least one of the object-side surface or the image-side surface of the substrate portion, and the second lens is a single lens and satisfies the following conditional expression: 108-11-2011 | |
20110188131 | Image Pickup Lens, Image Pickup Apparatus and Portable Terminal - The image pickup lens includes a first positive lens (focal distance: f | 08-04-2011 |
20110181933 | OPTICAL SCANNER - An optical scanner capable of preventing breakage of a shaft section due to stress concentration is provided. A mirror frame | 07-28-2011 |
20110177361 | Substrate Manufacturing Method, Substrate Manufactured by the Substrate Manufacturing Method and Magnetic Recording Medium Using the Substrate - Disclosed is a method for manufacturing a substrate provided with a surface portion having a plurality of concave and convex configurations. The method includes a step of applying a solution between a mold having a configuration corresponding to the concave and convex configurations, and a substrate base member, the solution obtained by dissolving a constructional material for composing the surface portion in a solvent; a step of forming the surface portion by drying the solvent in a state that the solution is applied between the mold and the substrate base member; and a step of releasing the mold from the surface portion. The mold satisfies requirements that a contact angle of a contact portion of the mold to be contacted with the solution is smaller than 90° with respect to the solvent, and that a work of adhesion between the contact portion and the constructional material is smaller than a work of adhesion between the contact portion and the solvent. | 07-21-2011 |
20110176047 | DRIVING DEVICE AND IMAGING DEVICE - Provided is a driving device having a rod-like terminal capable of stably fixing an SMA and connecting a conductive member without preventing the size of the driving device from being reduced and affecting the performance of the SMA. Also provided is an imaging device. The driving device is equipped with a string-shaped shape-memory alloy as a driving source and includes: a base member serving as the base of the driving device; and the rod-like terminal made of a metal penetrating the base member and secured to the base member. One end side of the rod-like terminal is caulked to interpose and hold the shape-memory alloy, and the other end side of the rod-like terminal has a crimp portion where the conductive member for supplying current to the shape-memory alloy is crimped and fixed. | 07-21-2011 |
20110164294 | IMAGE DISPLAY DEVICE, HEAD-MOUNTED DISPLAY AND HEAD-UP DISPLAY - Light outputted from a laser light source ( | 07-07-2011 |
20110155306 | POLARIZING PLATE AND DISPLAY USING THE SAME - A polarizing plate comprising a polarizing film having thereon a retardation film containing a plasticizer and a cellulose ester, wherein a free volume radius of the retardation film determined by positron annihilation lifetime spectroscopy is in the range of 0.250-0.310 nm. | 06-30-2011 |
20110151146 | OPTICAL FILM, ANTI-REFLECTION FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is an optical film that has excellent adhesion and surface hardness between the film substrate and a hard coat layer or other functional layer, has improved brittleness, is transparent, and has low moisture absorption and high heat resistance. Additionally disclosed are an antireflective film, a polarizing plate, and a display device using the same. The optical film has at least a hard coat layer or a back coat layer as a functional layer containing a resin on a film substrate, and is characterized in that said film substrate contains a thermoplastic acrylic resin (A) and a cellulose ester resin (B), with the content ratio by mass of said thermoplastic acrylic resin (A) and said cellulose ester resin (B) being in a range thermoplastic acrylic resin (A):cellulose ester resin (B)=95:5 to 50:50. | 06-23-2011 |
20110141538 | DRIVE DEVICE - It is aimed to provide a drive device capable of realizing appropriate rotation of a driven body about a plurality of drive axes by a drive element while preventing the drive device from requiring higher performance and becoming intricate, and thus leading to higher power consumption and higher cost. In order to achieve the above-mentioned object, the drive device includes: a drive element including first and second signal input sections and driving a driven body about first and second drive axes upon a voltage being applied between the first signal input section, and the second signal input section; and a signal supply section supplying the first signal input section with a first drive signal for driving the driven body about the first drive axis and supplying the second signal input section with a second drive signal for driving the driven body about the second drive axis. | 06-16-2011 |
20110141441 | IMAGE PROJECTION DEVICE - An object is to provide a image projection device which has a small size but can project an image having a high image quality. To achieve the object, in an image projection device, a reflection part which reflects a light flux from a light source is, while being rotated around a first axis by non-resonance driving, rotated by resonance driving around a second axis which is substantially perpendicular to the first axis, and thereby the light flux is deflected in a two-dimensional direction. By controlling the rotation of the reflection part, a correction for suppressing an image distortion along one scanning direction on a projection surface, and a correction for keeping substantially constant a scanning speed of the light flux along the other scanning direction on the projection surface, are performed. Here, the relationship of 10°<θ<70° is satisfied, where θ represents an angle of inclination of the light flux, which is projected to the projection surface, toward the other scanning direction relative to a normal line of the projection surface, in a case where the reflection part is in a central position of the rotations around the first and second axes. | 06-16-2011 |
20110141438 | ILLUMINATION OPTICAL SYSTEM AND PROJECTOR - First and second light sources emit first and second light beams, respectively. A light condensing system condenses the beams, and a polarization separation system separates each of the beams into first and second polarization components. A ½ phase plate converts the polarization state of the first polarization component to one equal to that of the second polarization component, and a rod integrator uniformizes spatial energy distribution of the beams condensed by the light condensing system. A relay system forms an image of an exit face of the rod integrator on a region to be illuminated. The light condensing system condenses the first and second polarization components onto first and second regions, respectively, of an entrance face of the rod integrator; and the ½ phase plate is placed at the first region of the entrance face of the rod integrator or at a position conjugate with the first region. | 06-16-2011 |
20110135866 | INFORMATION RECORDING MEDIUM GLASS SUBSTRATE, INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS AND MANUFACTURING METHOD OF INFORMATION RECORDING MEDIUM GLASS SUBSTRATE - In an information recording apparatus such as a hard disk drive, a ramp for retreating its head from a recording medium when the apparatus is stopped is provided opposing the information recording medium. In such an information recording apparatus, the information recording medium may sometimes collide with the ramp when the apparatus falls down. By inclining a portion opposing the ramp of a glass substrate in the information recording medium, even if the information recording medium strikes the ramp, the information recording medium is prevented from being cracked. | 06-09-2011 |
20110134499 | LASER PROJECTOR - A two-dimensional image is displayed on a screen (SC) by scanning the screen (SC) two-dimensionally with light beams from a laser light source ( | 06-09-2011 |
20110128503 | STEREOSCOPIC IMAGE PROJECTOR - A stereoscopic image projector is provided with a display device, a characteristic-differentiation member, an optical-path separation member, an optical-path combining member, and a single projection lens. The display device displays a left-eye image which is a left parallax image and a right-eye image which is a right parallax image on different regions of an image display surface. The characteristic-differentiation member gives projection light beams each carrying a different one of images displayed on the display device optical characteristics that are different from each other. By using the difference in optical characteristic, the optical-path separation member separates optical paths of the left-eye and right-eye images from each other, and the optical-path combining member coaxially combines the separated optical paths together. The projection lens, by using the combined projection light beams, superimposingly projects, onto a screen, the right-eye and left-eye images having the optical characteristics that are different from each other. | 06-02-2011 |
20110128478 | POLARIZING PLATE, LIQUID CRYSTAL DISPLAY, AND METHOD OF MANUFACTURING PROTECTIVE FILM FOR POLARIZING PLATE - Provided is a polarizing plate which is free from occurrence of cloudy unevenness appearing blurry on a screen of a liquid crystal display under heat and humidity conditions. The polarizing plate of the invention is characterized in that it comprises a first protective film, a second protective film and a polarizer sandwiched between the first and second protective films, wherein the first protective film is a laminated film composed of a cellulose ester resin layer (A) and an acryl resin layer (B), the cellulose ester resin layer (A) being a layer containing from 55 to 99% by mass of a cellulose ester resin and from 1 to 45% by mass of an acryl resin, provided that the total content of the cellulose ester resin and the acryl resin in the cellulose ester resin layer (A) is 100% by mass, and the acryl resin layer (B) being a layer containing from 1 to 45% by mass of a cellulose ester resin and from 55 to 99% by mass of an acryl resin, and wherein the second protective film contains a cellulose ester resin and a retardation adjusting agent, the cellulose ester resin layer (A) facing the polarizer. | 06-02-2011 |
20110122746 | Assembly Method of Optical Pickup and Optical Pickup Apparatus - A method for assembling an optical pickup apparatus for recording/reproducing a high density DVD, DVD and CD including two objective lens and three laser light sources, the objective lenses being provided on the lens holder having an actuator base for supporting the actuator, the method for assembling the optical pickup apparatus comprises the steps of adjusting a first tilt angle of the actuator base so that a coma aberration of a spot formed by the first light beams decreases when the first light beams are converged onto the first recording medium via the first objective lens, and adjusting a second tilt angle formed between the second objective lens and the lens holder so that a coma aberration of a beam spot formed by the second light beams decreases when the second light beams are converged onto the second recording medium via the second objective lens. | 05-26-2011 |
20110122282 | IMAGING DEVICE - [Object] To convert a pixel value obtained from a non-reference photoelectric conversion characteristic into a pixel value obtained from a reference photoelectric conversion characteristic without variation, and to prevent generation of fixed pattern noise in an image. An image sensor | 05-26-2011 |
20110111263 | GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM AND INFORMATION RECORDING MEDIUM - A glass substrate for information recording medium, said glass substrate being composed of an alminosilicate glass containing 60-75% by mass of SiO | 05-12-2011 |
20110111260 | GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM AND INFORMATION RECORDING MEDIUM - A glass substrate for information recording medium, said glass substrate being composed of an aluminosilicate glass containing 60-75% by mass of SiO | 05-12-2011 |
20110111161 | GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM AND INFORMATION RECORDING MEDIUM - A glass substrate for information recording medium, said glass substrate being composed of an alminosilicate glass containing 60-75% by mass of SiO | 05-12-2011 |
20110102917 | DRIVE MECHANISM, DRIVE DEVICE, AND LENS DRIVE DEVICE - Provided is a drive mechanism comprising a stationary support member, a lever member having a displacement input portion for receiving a moving force from the outside and a bearing portion for abutting against the support member, so that the lever member engages with a driven member and swings on the bearing portion relative to the support member in response to the input of the moving force to the displacement input portion, thereby moving the driven member in a predetermined first axis direction, and a shape-memory alloy actuator for applying the moving force to the displacement input portion. The drive mechanism is characterized in that a displacement input member having the displacement input portion and a bearing member having the bearing portion are formed, in the lever member, of a material different from that of the lever member. | 05-05-2011 |
20110096419 | LENS DRIVING DEVICE AND CAMERA UNIT - A biasing spring is interposed between a coupling plate and a covering section while being compressed from its natural length. The biasing spring biases, by its resilient force, a lens unit toward a −Z side to bring a surface of the lens unit at the −Z side into contact with an abutment portion of a fixing frame section. When a temperature of an actuator is equal to or lower than a predetermined temperature, a biasing force of the biasing spring surpasses a force generated in the actuator, and thus the lens unit is not moved. When the actuator is heated up to a temperature equal to or higher than the predetermined temperature, the lens unit is continuously moved in the +Z direction. Thereby, movement of a lens due to a change of an environmental temperature can be prevented. | 04-28-2011 |
20110090781 | Objective Lens for Optical Pickup Apparatus, Objective Lens Unit for Optical Pickup Apparatus and Optical Pickup Apparatus Using the Same - The present invention relates to an objective lens, an objective lens unit and an optical pickup apparatus. The objective lens is provided for an optical pickup apparatus recording or reproducing information by converging a light flux with a wavelength λ | 04-21-2011 |
20110080121 | DRIVING DEVICE - Provided is a driving device having an electromechanical transducer, a driving member, a moving member and a driving circuit. The driving circuit outputs a driving voltage at a frequency lower than that where the driving speed of the moving member is at maximum, and changes the drive frequency of the driving voltage so that the drive frequency has a negative correlative relationship with the ambient ten aperature. The change rate of the drive frequency to a change of the ambient temperature in the negative correlative relationship is larger than a change rate of a frequency where the driving speed of the moving member is at maximum to an increase of the ambient temperature, and the change rate permits the driving speed of the moving member to increase when the ambient temperature increases. | 04-07-2011 |
20110071663 | POSITION CONTROL DEVICE, POSITION CONTROL METHOD, DRIVE DEVICE AND IMAGING DEVICE - A position control device | 03-24-2011 |
20110070402 | Optical Element, and Process for Producing Electronic Equipment using the Optical Element - Disclosed is an optical element comprising a functional layer composed mainly of an inorganic component on a surface thereof. The functional layer provided on the surface of the optical element is not broken or deformed even through a reflow treatment process. Also disclosed is a process for producing an electronic equipment, comprising placing an image pick-up device comprising the optical element together with an electronic component on a substrate and mounting the image pick-up device and the electronic component on the substrate by a reflow treatment process. The optical element comprises a base material containing a curing resin and inorganic fine particles and a functional layer composed mainly of an inorganic component provided on the surface of the base material. The optical element is characterized in that at least one type of inorganic fine particles is present on the surface of the base material, and the surface roughness is not less than 3 nm and not more than 100 nm. | 03-24-2011 |
20110063451 | IMAGE PICKUP APPARATUS AND IMAGE PICKUP ELEMENT - A luminance signal and a color information signal having high S/N ratios are generated by combining a visible luminance image component and an infrared image component at an appropriate ratio according to brightness of a subject such as brightness on a sunny day or brightness in darkness. An image pickup element | 03-17-2011 |
20110058129 | POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed are a polarizing plate for liquid crystal display having excellent durability, and a liquid crystal display device using the polarizing plate. The polarizing plate is characterized by comprising, at least on one side thereof; an acrylic resin-containing film which contains an acrylic resin (A) and a cellulose ester resin (B) at a mass ratio of from 95:5 to 30:70 in a miscible state. The acrylic resin (A) has a weight average molecular weight Mw of not less than 80,000. The cellulose ester resin (B) has a total substitution degree (T) of acyl groups of 2.00-3.00 and a substitution degree of acyl groups having 3-7 carbon atoms of 1.2-3.0. The cellulose ester resin (B) has a weight average molecular weight Mw of not less than 75,000. | 03-10-2011 |
20110043623 | IMAGING DEVICE - A mode control section controls an image generation section to operate in a normal mode or a polarized light component reduction mode on the basis of a mode signal from a mode signal generation section to cause the image generation section to form a normal image or a polarized light component reduced image. When the possibility of occurrence of stray light is high, the imaging device automatically switches to the polarized light component reduction mode and when the possibility of occurrence of the stray light is low, the imaging device automatically switches to the normal mode. The polarized light component reduced image is obtained by reducing or eliminating stray light having a polarized light component, and the normal image is formed without reducing the stray light. Thus, the imaging device is capable of automatically switching between the two modes. | 02-24-2011 |
20110042840 | Method for Producing Molded Body or Wafer Lens - The present invention aims to improve shape precision of a molded body when a plurality of molded bodies, which are projections or recesses made of a curable resin, are formed on both sides of a glass substrate. Disclosed is a method for producing a molded body, which comprises a step of preparing a first mold having a plurality of negative molding surfaces having shapes corresponding to a plurality of molding parts; a step of applying a curable resin onto a surface of the first mold on which the molding surfaces are formed; and a curing step of curing the applied curable resin. The curing step includes a photocuring step wherein curing of the curable resin is carried out by irradiating the resin with light, and a heat curing step wherein the curable resin partly cured by the photocuring step is further cured by being subjected to a heat treatment | 02-24-2011 |
20110038524 | BLOOD AGGREGATION ABILITY MEASURING APPARATUS - To quantify the aggregation ability of various types of blood cells respectively within a short period of time. An apparatus for achieving the above-described object, which includes: a TV camera for taking an image of blood flow; an image processing section for identifying the types of blood cells contained in a blood cell retention part, in which blood cells are retained, from a blood flow image taken by the TV camera; and an aggregation ability calculation device for calculating at least one of the area, cell count and position of blood cells of each type as the aggregation ability of blood. | 02-17-2011 |
20110033640 | PROCESS FOR PRODUCING OPTICAL FILM, OPTICAL FILM, POLARIZER, AND LIQUID CRYSTAL DISPLAY - Provided is a method for producing an optical film which suffers neither flatness deterioration nor film breakage and is free from problems concerning undulating undulation and partial light leakage. The process for optical film production comprises laminating a cellulose ester resin layer (A) to an acrylic resin layer (B) by coextrusion. The process is characterized in that the cellulose ester resin layer (A) contains 55 to 99 mass % cellulose ester resin and the acrylic resin layer (B) contains 55 to 99 mass % acrylic resin, that the web is conveyed while keeping the layer (A) and the layer (B) in contact with the surface of a first cooling roll and the surface of a second cooling roll, respectively, and that when the surface temperature of the first cooling roll and the surface temperature of the second cooling roll are expressed by Ta (° C.) and Tb (° C.), respectively, then the Ta (° C.) and Tb (° C.) satisfy the following relationship (1). | 02-10-2011 |
20110032628 | DRIVE DEVICE - A drive device includes a setting unit | 02-10-2011 |
20110032606 | OPTICAL SYSTEM, IMAGE PROJECTION APPARATUS INCLUDING THE SAME AND AN IMAGE PICKUP DEVICE - Provided is an optical system (PS) which is used in a wavelength range including a near ultraviolet light range having a wavelength longer than approximately 350 nm and a visible light range. The optical system includes at least two first positive lenses which satisfies a predetermined conditional expression concerning anomalous dispersion characteristic and a rate of change of the refractive index with respect to temperature, and is disposed closer to a contraction side than an aperture stop (ST), and at least one second positive lens which satisfies a predetermined conditional expression concerning anomalous dispersion characteristic and a rate of change of the refractive index with respect to temperature. | 02-10-2011 |
20110031924 | SHAPE MEMORY ALLOY DRIVER - A shape memory alloy driver comprises a displacement detection portion, a drive control portion, and a compensation calculation portion. The displacement detection portion detects displacement of a shape memory alloy based on a resistance value etc. detected from the shape memory alloy. The drive control portion applies a voltage or current to the shape memory alloy by servo control to thereby displace the shape memory alloy to a target displacement value fed from a microcomputer etc. The compensation calculation portion calculates a compensated displacement value from the detected displacement value and a variation—attributable to the environment temperature—of the drive control value which the drive control portion uses for controlling the voltage or current. Having been fed with the compensated displacement value, the drive control portion varies the drive control value such that the compensated displacement value is equal to the target displacement value. | 02-10-2011 |
20110025903 | Image Pickup Lens, Image Pickup Apparatus and Mobile Terminal - Provided are a small image pickup lens which ensures a wide angle of view, permits various aberrations to be excellently corrected and is applicable to an image pickup element having a high pixel density, an image pickup apparatus using the image pickup lens, and a mobile terminal using the image pickup apparatus. The image pickup lens employs a structure which includes, in order from the object side, an aperture stop, a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive refractive power, and a fourth lens with negative refractive power, and the image pickup lens is designed to satisfy predetermined conditional expressions. | 02-03-2011 |
20110019138 | RETARDATION FILM - Provided is a retardation film having an excellent front contrast. It is possible o measure a scattered light intensity of a film of a 90-degree incident light of a scattered light profile by a goniophotometer. Provided is retardation film characterized in that the difference between the scattered light intensity integration values obtained when the film slow axis is arranged horizontally and vertically on a sample table is 0.1 or below in measurement to detect a scattered light intensity at the position of 95 to 165 degrees from a light source. | 01-27-2011 |
20110019109 | PROJECTION TYPE IMAGE DISPLAY APPARATUS - A projection type image display apparatus ( | 01-27-2011 |
20110018149 | OPTICAL FILM AND METHOD AND APPARATUS FOR MANUFACTURING THE SAME - Disclosed is a method of manufacturing an optical film in which thickness unevenness and optical distortion are sufficiently prevented, employing a melt casting film formation method. The method is one manufacturing an optical film by extruding a melted film forming composition containing a thermoplastic resin from lip portions of a casting die to form a melted product in the form of a film and then holding the resulting melted product between a pair of rotary rollers thereby cooling and solidifying the melted product, wherein the method comprises heating a shield plate, which is provided in the vicinity of an inlet of a nip of the pair of rotary rollers and in the vicinity of the surface of at least one of the pair of rotary rollers, thereby heating an air stream occurring upon rotation of the rotary rollers. | 01-27-2011 |
20110016920 | OPTICAL ELEMENT MANUFACTURING METHOD AND OPTICAL ELEMENT MANUFACTURING APPARATUS - In an optical element manufacturing method for press molding in which primary molten glass droplets are caused to collide with a plate to separate some of the droplets and fine droplets of a secondary molten glass that have passed through an opening are dropped onto a lower die to perform press molding, by setting the diameter of the opening of the plate in the range of 50-100% of the effective diameter of the optical functional surface provided for the lower die, manufacturing conditions for the secondary molten glass droplets can be set easily and properly, and optical elements with satisfactory quality of both appearance and optical performance can be manufactured reliably. | 01-27-2011 |
20110016860 | ACTUATOR DRIVING DEVICE - An actuator driving device includes: an actuator made of a shape metal alloy having a property that a predetermined shape is memorized in advance, and that the predetermined memorized shape is recovered when the actuator is heated to a predetermined temperature; an applier for applying, to the actuator, a pulse current or a pulse voltage at least having a predetermined current value or a predetermined voltage, and a predetermined duty ratio to heat the actuator; and a determiner for determining the current value or the voltage value, and the duty ratio of the pulse current or the pulse voltage to be applied to the actuator by the applier, wherein the determiner is operative to determine the pulse current or the pulse voltage having: the current value larger than a current value of a constant current required for displacing the actuator by a predetermined targeted displacement amount, or the voltage value corresponding thereto; and the duty ratio of making an applied current amount smaller than an applied current amount corresponding to an integrated value of the constant current in applying the constant current to the actuator. | 01-27-2011 |
20110013293 | Image Pickup Lens, Image Pickup Apparatus, Mobile Terminal, Method for Manufacturing Image Pickup Lens, and Method for Manufacturing Image Pickup Apparatus - An image pickup lens includes: a first lens block with a positive power and a second lens block. The first lens block includes a first lens substrate, a lens portion | 01-20-2011 |
20110013070 | LENS UNIT, IMAGE CAPTURING LENS, IMAGE CAPTURING DEVICE AND PORTABLE TERMINAL - A lens unit LU in which a lens portion L is formed at least on either a light-receiving surface or a light-emitting surface of a lens holding plate P, wherein a difference in coefficients of linear expansion of the lens holding plate P and the lens portion L is used to suppress mis-focusing by causing changes in a paraxial image point position of the entire lens system due to changes in the surface shape of the lens portion L which accompany temperature changes, and changes in the paraxial image point position of the entire lens system due to changes in the refraction index to cancel each other out. Furthermore, deterioration of performance of the entire lens system caused by rising temperature is suppressed by satisfying a predetermined conditional expression. | 01-20-2011 |
20110007195 | IMAGE PICKUP LENS, IMAGE PICKUP DEVICE, DIGITAL APPARATUS AND MANUFACTURING METHOD OF IMAGE PICKUP LENS - To provide an inexpensive image pickup lens ensuring mass productivity and preventing deterioration of images due to fluctuation of a paraxial image-point position caused by water absorption, image pickup device, digital apparatus, and a manufacturing method of the image pickup lens, the image pickup lens includes: at least one lens block including a lens substrate, and a lens portion or lens portions formed on at least one of an object-side surface or an image-side surface of the lens substrate. The lens portion is formed of an energy-curable resin material which is different from a material of the lens substrate. At least one lens portion has a dimension change rate caused by water absorption which is larger than a dimension change rate caused by water absorption of the lens substrate, and satisfies the predetermined expression about a change in refractive index the energy-curable resin material caused by water absorption. | 01-13-2011 |
20110002123 | LIGHT SOURCE UNIT - A light source unit relating to the present invention includes a light source element; an optical-waveguide-formed element in which an optical waveguide is formed; a prism for turning back a light flux emitted from the light source and guiding the light flux toward an incident end of the optical waveguide; and a coupling optical system formed on the prism or provided as a separated body from the prism, for coupling the light flux emitted from the light source onto the optical waveguide. | 01-06-2011 |
20110001865 | IMAGING LENS, IMAGING DEVICE, PORTABLE TERMINAL, AND METHOD FOR MANUFACTURING IMAGING LENS - An imaging lens (LN) includes at least one lens block (BK), and an aperture stop (ape). The lens block (BK) includes a plane-parallel lens substrate (LS) and a lens (L) formed of different materials. In the imaging lens (LN), a first lens block (BK | 01-06-2011 |
20100321794 | IMAGING LENS, IMAGING DEVICE, PORTABLE TERMINAL, AND METHOD FOR MANUFACTURING IMAGING LENS - An imaging lens (LN) includes at least three lens blocks (BK), and an aperture stop (ape). The lens block (BK) includes parallel flat lens substrates (LS) formed of different materials, and a lens (L). In the imaging lens (LN), the object side lens surface of a first lens (L | 12-23-2010 |
20100321554 | IMAGING LENS, IMAGE PICKUP DEVICE AND PORTABLE TERMINAL - An imaging lens (LN) of an imaging device (ID) is composed of an aperture stop (ST) and a lens unit (LU) having positive power. Even when the object side surface of the lens unit (LU) has a shape convexed to the side of the object, and a lens whose image side surface is concaved to the image side is used, excellent aberration performance with a short optical total length, a small sensor incidence angle and a small distortion are achieved at low cost. | 12-23-2010 |
20100320943 | SHAPE MEMORY ALLOY DRIVER - A shape memory alloy driver comprises a displacement detection portion, a drive control portion, and a compensation calculation portion. The displacement detection portion detects displacement of a shape memory alloy based on a resistance value etc. detected from the shape memory alloy. The drive control portion applies a voltage or current to the shape memory alloy by servo control to thereby displace the shape memory alloy to a target displacement value fed from a microcomputer etc. The compensation calculation portion calculates a compensated displacement value from the detected displacement value and a variation—attributable to the environment temperature—of the drive control value which the drive control portion uses for controlling the voltage or current. Having been fed with the compensated displacement value, the drive control portion varies the drive control value such that the compensated displacement value is equal to the target displacement value. | 12-23-2010 |
20100315721 | PROJECTION OPTICAL SYSTEM - The projection optical system uses a plurality of wavelengths or a wavelength band within a wavelength range from a visible region to a near ultraviolet region. The double-telecentric projection optical system includes: a first lens group with a positive power; a second lens group with a negative power, including a predetermined lens or lenses; and a third lens group with a positive power, including a stop and at least two positive lenses satisfying a predetermined condition relating to refractive index. The projection optical system satisfies a predetermined condition relating to a composite focal length of the first lens group and the second lens group, and a focal length of the third lens group. | 12-16-2010 |
20100309552 | RETARDATION FILM - Provided is a retardation film having an excellent front contrast. It is possible o measure a scattered light intensity of a film of a 90-degree incident light of a scattered light profile by a goniophotometer. Provided is retardation film characterized in that the difference between the scattered light intensity integration values obtained when the film slow axis is arranged horizontally and vertically on a sample table is 0.1 or below in measurement to detect a scattered light intensity at the position of 95 to 165 degrees from a light source. | 12-09-2010 |
20100304020 | Antireflection film, production method of the same, polarizing plate and display - An antireflection film comprising a transparent substrate film having thereon a hard coat, a high refractive index layer and a low refractive index layer, wherein: (i) the high refractive index layer is formed by applying a coating solution containing the following (a) to (c); (ii) the low refractive index layer is formed by applying a coating solution containing the following (d) and (e); (iii) the antireflection film is heat treated, wherein (a) metal oxide particles having an average primary particle diameter of 10 to 200 nm; (b) a metal compound; (c) an ionizing radiation curable resin; (d) an organosilicon compound having a prescribed structure, a hydrolyzed compound of the organosilicon compound, a decomposed compound of the organosilicon compound or a polycondensed compound of the organosilicon compound; and (e) hollow silica particles each having an outer shell, and a void or a porous portion in the inside. | 12-02-2010 |
20100302647 | Anamorphic Lens - Provided is a low-cost and compact super-wide-angle anamorphic lens having small number of lenses and exhibiting excellent lens performance when the lens is used for an onboard camera, capturing of an unwanted portion is minimized. The super-wide-angle anamorphic lens has an angle of view of 180° or more in the horizontal direction, and includes a first lens having a negative power, a second lens having a negative power, a third lens having a positive power, a fourth lens having a positive power in that order from an object side. One of the aforementioned third lens and fourth lens is provided with at least one non-rotationally symmetric aspherical surface. | 12-02-2010 |
20100297366 | OPTICAL COMPENSATION FILM, AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY EMPLOYING THE SAME - The present invention provides an optical compensation film, which has excellent visibility such as light leakage, uneven color tone and front contrast, and can simultaneously realize retardation and wavelength dispersion. The optical compensation film is characterized by containing a cellulose ester, the following polymer (a), and the following compound (b). (a) A polymer produced by copolymerizing an ethylenically unsaturated monomer having in its molecule a partial structure represented by Formula (1) with at least one ethylenically unsaturated monomer. (b) An esterified compound produced by esterifying all or a part of OH groups in a compound (A) having one furanose structure or one pyranose structure, or an esterified compound produced by esterifying all of or a part of OH groups in a compound (B) containing nor less than 2 and not more than 12 structures of at least one of a furanose structure or a pyranose structure. | 11-25-2010 |
20100295985 | VARIABLE MAGNIFICATION OPTICAL SYSTEM, IMAGE PICKUP DEVICE AND DIGITAL APPARATUS - A variable magnification optical system of the present invention and an image pickup device and a digital apparatus including this are provided with a four-component optical system of negative-negative-positive-negative arrangement, wherein a first lens group thereof includes only one negative lens as a lens having an optical power, and a third lens group thereof satisfies a conditional expression of 1.4<β3t/β3w<4 when β3t and β3w respectively denote image magnifications of the third lens group at a telephoto end and at a wide-angle end. The variable magnification optical system, the image pickup device and the digital apparatus having such a construction can be further downsized. | 11-25-2010 |
20100293940 | DRIVE MECHANISM AND DRIVE DEVICE - A drive mechanism and a drive device each comprise a driven body ( | 11-25-2010 |
20100291376 | ACRYL RESIN CONTAINING FILM, POLARIZING PLATE BY USE THEREOF AND LIQUID CRYSTAL DISPLAY - An acryl resin-containing film which is transparent and highly heat-resistant and has been significantly improved in brittleness is disclosed, satisfying the following equations (1) to (4), exhibiting a tension softening point of 105 to 145° C. and a photoelastic coefficient of −5.0×10 | 11-18-2010 |
20100284262 | OPTICAL PICKUP APPARATUS, OBJECTIVE OPTICAL ELEMENT AND OPTICAL INFORMATION RECORDING REPRODUCING APPARATUS - An optical pickup apparatus according to the present invention includes: a first light source for emitting a first light flux; a second light source for emitting a second light flux; a third light source for emitting-a third light flux; and an objective optical element. The objective optical element has an optical surface including at least two areas provided with optical path difference providing structures. The objective optical element converges the first to third light fluxes each passing through the predetermined areas on the objective optical element onto respective information recording surfaces of the first to third optical disks. The optical pickup apparatus provides a wavelength dependency of a spherical aberration so as to correct a change in a spherical aberration due to a refractive index change with a temperature change of the objective optical element. | 11-11-2010 |
20100284261 | Objective Lens, Optical Pickup Apparatus, and Optical Information Recording Reproducing Apparatus - An objective lens relating to the present invention includes a first optical path difference providing structure in which a first basic structure and a second basic structure are overlapped with each other. The first basic structure is a blaze-type structure which emits a Xth-order diffracted light flux, when the first light flux passes through the first basic structure, where the value of X is an odd integer. At least a part of the first basic structure arranged around an optical axis includes a step facing an opposite direction to the optical axis. The second basic structure is a blaze-type structure which emits a Lth-order diffracted light flux, when the first light flux passes through the second basic structure, where the value of L is an even integer. At least a part of the second basic structure arranged around the optical axis includes a step facing the optical axis. | 11-11-2010 |
20100284259 | Objective Lens, Optical Pickup Apparatus, and Optical Information Recording Reproducing Apparatus - An objective lens includes a first optical path difference providing structure in which a first basic structure and a second basic structure are overlapped together, and a second optical path difference providing structure in which a third basic structure, a fourth basic structure, and a fifth basic structure are overlapped together. The first and third basic structures emit diffracted light fluxes with the same diffraction order having the maximum light amount. The second and fourth basic structures emit diffracted light fluxes with the same diffraction order having the maximum light amount. The fifth basic structure emits 0th-order diffracted light fluxes with the maximum light amount, for the first light flux, emits 0th-order diffracted light fluxes with the maximum light amount, for the second light flux, and emits Gth-order diffracted light fluxes with the maximum light amount, for the third light flux, where G is an integer excluding zero. | 11-11-2010 |
20100265380 | VARIABLE POWER OPTICAL SYSTEM, IMAGING DEVICE, AND DIGITAL DEVICE - A variable power optical system ( | 10-21-2010 |
20100260391 | BLOOD FLUIDITY MEASUREMENT SYSTEM AND BLOOD FLUIDITY MEASUREMENT METHOD - Blood fluidity is measured in a short time. A blood fluidity measurement system, which measures blood fluidity by flowing blood into a channel, is equipped with a TV camera which photographs the blood stream in the channel and an image processing part which detects the state of the blood stream in the channel as blood fluidity from the image taken by the TV camera. | 10-14-2010 |
20100259632 | WIDE ANGLE OPTICAL SYSTEM, IMAGING LENS DEVICE, MONITOR CAMERA, AND DIGITAL APPARATUS - Provided are a wide angle optical system having better optical performance, low in cost, and compact in size, an imaging lens device having the wide angle optical system, a monitor camera, and a digital apparatus. The wide angle optical system ( | 10-14-2010 |
20100257859 | SHAPE MEMORY ALLOY DRIVE DEVICE - A shape memory alloy drive device has drive control portion for displacing a shape memory alloy up to a target displacement value by applying a voltage or an electric current to the shape memory alloy by servo control, and also has contact detection portion for detecting a predetermined change in a drive control value, or, for example, a sharp increase in the drive control value, representing the amount of the voltage of the electric current applied by the drive control portion. When detecting a predetermined change, the contact detection portion determines that a movable portion having a lens etc. mounted thereon is in contact with a stationary mechanism. The shape memory alloy drive device further has drive limiting portion which, when the determination described above is made, causes the drive control portion to limit the target displacement value within a predetermined range. This limits an electric current flowing when the movable portion makes contact with the stationary mechanism, preventing overheating and excess stress. | 10-14-2010 |
20100253991 | SCANNING PROJECTION DEVICE - Scanning projection device PJ two-dimensionally deflects a beam emitted from light source unit | 10-07-2010 |
20100252786 | CELLULOSE ESTER FILM, METHOD OF MANUFACTURING THE SAME, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY - An object of this invention is to provide a cellulose ester film which satisfies the requirement 0.9510-07-2010 | |
20100249621 | BLOOD FLUIDITY MEASUREMENT APPARATUS AND BLOOD FLUIDITY MEASUREMENT METHOD - Deformability of blood cells is quantified in a short time. A blood fluidity measurement apparatus is provided with a TV camera which photographs a stream of blood in either two areas of the internal area, entrance area, and exit area of a gate, an image processing part which calculates the velocity of the blood cells contained in the blood from the image taken by the TV camera, and a deformability calculation means which calculates the deformability of the blood cells a blood fluidity from the velocity. | 09-30-2010 |
20100245991 | Film Mirror Having Ultraviolet Ray Reflection Film - Disclosed is a film mirror used for reflection of sunlight, which includes, in the following order from the side where sunlight is entered, an ultraviolet ray reflection film which reflects ultraviolet ray and transmits visible and infrared light, a plastic film layer, a metal reflection-layer which reflects visible and infrared light, and a protective layer. | 09-30-2010 |
20100245963 | PIEZOELECTRIC ACTUATOR, DRIVING DEVICE, POSITIONING DEVICE AND LASER MODULE - In a piezoelectric actuator ( | 09-30-2010 |
20100239789 | Optical Film, Manufacturing Method for Optical Film, Polarizing Plate and Liquid Crystal Display Device - A manufacturing method for an optical film via a solution casting method on a transparent substrate film comprising the steps of: (i) ejecting a micro-particle dispersion containing micro-particles having a average particle diameter of at least 25-200 nm as liquid droplets by use of an ink-jet head when a residual solvent content in a web is 5-400 weight %, and (ii) depositing the liquid droplets to adhere onto one side surface of a web and to form a micro convex structure, and further to form 1-10,000 points of convex parts per 10,000 we having a height of the convex parts of the convex structure of 0.01-0.5 μm. | 09-23-2010 |
20100239787 | Manufacturing Method of Polarizing Plate Protective Film, Polarizing Plate Protective Film, Polarizing Plate, and Liquid Crystal Display Device - A process for producing a cellulose-ester-resin-containing protective film for polarizers through film formation by melt casting. The protective film diminishes long-period optical unevenness and suffers no unevenness even after long-term storage. Also provided are a protective film for polarizers, a polarizer employing the film, and a liquid-crystal display. The process for producing a protective film for polarizers is a process for producing by the melt casting method a polarizer-protective film containing a cellulose ester resin. The process for producing a protective film for polarizers is characterized in that the protective film contains at least one compound selected among compounds represented by the following general formula (I) and compounds having an acrylate or methacrylate group and a phenolic hydroxy group in the same molecule and that the protective film extruded from a casting die at a draw ratio of 10-30 during film formation by melt casting is transferred while holding/pressing it between a touch roll having an elastic surface and a cooling roll. | 09-23-2010 |
20100236713 | FILM FOR DISPLAY, POLARIZING PLATE AND MANUFACTURING METHOD THEREOF, AND LIQUID CRYSTAL DISPLAY - A film for a display comprising a cellulose ester and a compound represented by Formula (I) or (Ia). | 09-23-2010 |
20100232281 | OPTICAL RECORDING HEAD AND OPTICAL RECORDING APPARATUS - An optical recording head includes: a light source; a slider comprising a wave guide which irradiates light from the light source to a recording medium, wherein a grating coupler is formed on an end portion at an opposite side of the waveguide relative to the light source; and an optical element which comprises a diffraction grating and introduces the light from the light source to the grating coupler through the diffraction grating. The optical element deflects the light from the light source so that the light is incident into the grating coupler with a deflection angle larger than 90 degrees with respect to a direction in which the light proceeds when the light is incident into the optical element. | 09-16-2010 |
20100232058 | INFORMATION RECORDING MEDIUM GLASS SUBSTRATE, INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS AND MANUFACTURING METHOD OF INFORMATION RECORDING MEDIUM GLASS SUBSTRATE - In an information recording apparatus such as a hard disk drive, a ramp for retreating its head from a recording medium when the apparatus is stopped is provided opposing the information recording medium. In such an information recording apparatus, the information recording medium may sometimes collide with the ramp when the apparatus falls down. By inclining a portion opposing the ramp of a glass substrate in the information recording medium, even if the information recording medium strikes the ramp, the information recording medium is prevented from being cracked. | 09-16-2010 |
20100225203 | DRIVING DEVICE - A driving device | 09-09-2010 |
20100222701 | BODY LIQUID COLLECTING AUXILIARY MEMBER AND BODY LIQUID COLLECTING DEVICE USING THE AUXILIARY MEMBER - Provided is a body liquid collecting device comprising a body liquid collecting auxiliary sheet ( | 09-02-2010 |
20100221457 | OPTICAL COMPENSATION FILM, AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY EMPLOYING THE SAME - The present invention provides an optical compensation film, which has excellent visibility such as light leakage, uneven color tone and front contrast, and can simultaneously realize retardation and wavelength dispersion. The optical compensation film is characterized by containing a cellulose ester, the following polymer (a), and the following compound (b). (a) A polymer produced by copolymerizing an ethylenically unsaturated monomer having in its molecule a partial structure represented by Formula (1) with at least one ethylenically unsaturated monomer. (b) An esterified compound produced by esterifying all or a part of OH groups in a compound (A) having one furanose structure or one pyranose structure, or an esterified compound produced by esterifying all of or a part of OH groups in a compound (B) containing nor less than 2 and not more than 12 structures of at least one of a furanose structure or a pyranose structure. | 09-02-2010 |
20100220229 | Image Pickup Lens, Image Pickup Apparatus, and Mobile Terminal - An image pickup lens includes: a first lens with a positive power, including a convex surface facing the object side; an aperture stop; a second lens with a negative power, including a concave surface facing the image side; a third lens with a positive or negative power; a fourth lens with a positive power, including a convex surface facing the image side; and a fifth lens with a negative power, including a concave surface facing the image side. The surface of the fifth lens facing the image side is an aspheric surface and includes an inflection point. The image pickup lens satisfies the predetermined condition relating to a focal length of the first lens. | 09-02-2010 |
20100219541 | METHOD FOR MANUFACTURING OPTICAL DEVICE - Disclosed is a method for manufacturing an optical device, which enables to suppress deformation during annealing or deformation due to environmental changes over time after annealing. This method for manufacturing an optical device enables to suppress deterioration of a film when the film is formed on the surface of the device. Specifically disclosed is a method for manufacturing an optical device, which is characterized by comprising a step for molding an organic-inorganic composite material containing a thermosetting resin and inorganic particles, a step for annealing the molded article of the organic-inorganic composite material, and a step for forming a film over the molded article of the organic-inorganic composite material. | 09-02-2010 |
20100216930 | Optical Resin Material and Optical Element - An optical resin material, which, while able to form a plastic optical element produceable at low cost, has excellent heat resistance and, at the same time, has excellent optical stability high enough to avoid a change in optical properties even after use for a long period of time, and an optical element using the optical resin material. The optical resin material contains a curable resin and hydrophobic oxide particles and is characterized in that it satisfies an absorbance intensity ratio B/A of not less than 0.01 and not more than 0.25, wherein A represents an absorbance intensity at 1720 cm | 08-26-2010 |
20100214670 | LENS UNIT AND IMAGE SENSING APPARATUS INCORPORATED WITH THE SAME - In a lens unit | 08-26-2010 |
20100209087 | IMAGE BLUR CORRECTION DEVICE AND IMAGING DEVICE USING SAME - In an image blur correction device and an imaging device according to the present invention, a holder for holding an optical component, which is displaced for correcting an image blur, is supported by one or more balls, so as to be freely displaced by sliding on the base, and has a structure to restrict the movement of the holder within a range, which is smaller than a mobile range normally acquired when the ball is assembled, if the ball is omitted in an assembly. Therefore the image blur correction device and the imaging device having this configuration can detect the missing of a ball in an assembly. | 08-19-2010 |
20100206620 | Printed Board, Image Pickup Apparatus and Camera - The present invention relates to a bendable printed board, an image pickup apparatus, and a camera. The bendable printed board is provided with: a first end connected to a moving body movable in an arbitral direction within a predefined plane; a second end connected to a fixed body with slack providing movability to the moving body; and a slit formed on at least a part of a slack portion of the printed board. | 08-19-2010 |
20100199491 | MANUFACTURING METHOD OF IMAGE PICK-UP DEVICE, IMAGE PICK-UP DEVICE AND OPTICAL ELEMENT - A manufacturing method of image pick-up device preventing deform of the optical element by the reflow process includes, a step of forming an by curing a thermosetting resin material having viscosity of 50 to 50,000 mPa·s under measuring condition at 23° C. and 500 Hz, a step of placing the optical element together with an electronic parts on a substrate, and a step mounting the optical element and the electronic parts on the above mentioned substrate by performing a reflow process to the optical element and the electronic parts on the substrate. | 08-12-2010 |
20100194853 | WIDE-ANGLE OPTICAL SYSTEM, IMAGE PICKUP LENS DEVICE, MONITOR CAMERA, AND DIGITAL APPARATUS - A wide-angle optical system comprises a front lens group ( | 08-05-2010 |
20100190919 | RESIN MATERIAL FOR OPTICAL PURPOSES, AND OPTICAL ELEMENT UTILIZING THE SAME - Disclosed is a resin material for optical purposes, which has high light permeability and high refractive index stability against temperature variation. Also disclosed is an optical element utilizing the resin material. The resin material for optical purposes comprises a curable resin and an inorganic microparticle comprising two or more metal oxides having different refractive indexes and dispersed in the curable resin, wherein the inorganic microparticle has a refractive index distribution, has the surface treated with a surface-treating agent, and is at least partially modified with a surface-modifying agent having a polymerizable functional group, and wherein the refractive index of the curable resin after being cured (nh) and the refractive index of the inorganic microparticle (ng) meet the requirement represented by the formula (1). | 07-29-2010 |
20100188759 | Image Pickup Lens, Image Pickup Apparatus, Mobile Terminal, and Manufacturing Method of Image Pickup Lens - An image pickup lens includes a first lens block with a positive refractive power, a second lens block with a negative refractive power, and an aperture stop. The first lens block includes a first lens substrate, and lens portions | 07-29-2010 |
20100188622 | CELLULOSE ESTER FILM, METHOD FOR PRODUCTION OF CELLULOSE ESTER FILM, AND PROTECTIVE FILM FOR POLARIZING PLATE, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE EACH USING THE CELLULOSE ESTER FILM - Disclosed is a cellulose ester film which rarely causes the attachment of foreign matters to the surface of a conveying roll or the failure of film transfer induced by the attachment of the foreign matters, which is free of the partial deformation caused by foreign matters on the conveying roll, exhibits high durability after saponification treatment, has good close adhesion to a polarizer, and has excellent processing suitability in the processing into a polarizer. Also disclosed is a method for producing the cellulose ester film by a melt-casting process. Further disclosed are; a protective film for a polarizing plate, which has high film strength; a polarizing plate having high durability; and a liquid crystal display having high image quality; each comprising the cellulose ester film. The cellulose ester film comprises a cellulose ester, a compound represented by the general formula (1) and a compound represented by the general formula (2). | 07-29-2010 |
20100188556 | IMAGING LENS, IMAGING DEVICE, AND MOBILE TERMINAL - The present invention provides a wafer-scale lens in which a total optical length is short in comparison with an image height and astigmatism and other aberrations can be well corrected, and an optical system in which a lens element closest to the object side is thin in thickness. The optical system includes a first lens that is disposed closest to the object side and is positive in refractive power; a second lens that is disposed on the image side and has a concave surface on the object side; an i-th lens, (i≧3), that is disposed closest to the image side in lenses disposed on the image side and includes an i-th lens plate and a lens element which is formed on at least either the object side surface or the image side surface of the i-th lens plate, and has a refraction index different from the i-th lens plate and positive or negative refractive power; and satisfies 0.9>Y | 07-29-2010 |
20100188555 | IMAGING LENS, IMAGING DEVICE, AND MOBILE TERMINAL - Provided are a wafer scale lens, which is so short in an optical total length with respect to an image height that it can correct an aberration satisfactory, and an optical system including the wafer scale lens and having a thin lens element on the side closest to the image. The optical system includes a first lens having a positive refractive power relative to an object, and a second lens arranged on the side of the image of the first lens and having a recessed shape on the side of the object. At least one lens is arranged on the side of the second lens. When that one of the lenses arranged on the side of the image of the second lens, which is arranged on the side closest to the image, is an i-th lens (i>3), this i-th lens includes an i-th lens flat plate and is formed on the object side of the i-th lens flat plate but has a refractive index different from that of the i-th lens flat plate, and a lens element having a convex shape on the object side where the main light ray of the maximum image height passes. Moreover, the ratio between the optical axial distance (or the lens distance) between a (i−1)-th lens and the i-th lens and the optical axis distance (or the optical total length) from the object side face of the first lens to the image face is 0.01 to 0.15. | 07-29-2010 |
20100182704 | Zoom Lens and Image Pickup Apparatus - A zoom lens includes: a first lens group with a positive refractive power, including a reflection optical element; a second lens group with a negative refractive power; a third lens group with a positive refractive power; a fourth lens group with a positive refractive power; and a fifth lens group with a negative refractive power. A power of the zoom lens varies by moving the second lens group, the fourth lens group, and the fifth lens group along an optical axis. A negative lens in the first lens group or a positive lens in the second lens group satisfies the predetermined conditions relating to a refractive index and an Abbe number. | 07-22-2010 |
20100182548 | CELLULOSE ESTER FILM, METHOD FOR PRODUCING CELLULOSE ESTER FILM, POLARIZING PLATE USING THE SAME, AND LIQUID CRYSTAL DISPLAY - Disclosed is a cellulose ester film which is suppressed in volatilization of components during film formation, while having high surface flatness, high durability after saponification and good adhesion to a polarizer. Also disclosed is a method for producing such a cellulose ester film by melt forming. Further disclosed are a polarizing plate having high light resistance and high durability, and a liquid crystal display having high image quality. Specifically disclosed is a cellulose ester film characterized by containing a cellulose ester, a compound represented by the general formula (1) below, and a compound represented by the general formula (2) below. | 07-22-2010 |
20100181702 | OPTICAL FILM, POLARIZING PLATE AND DISPLAY DEVICE USING THE SAME, AND MANUFACTURING METHOD THEREOF - The present invention is to provide an optical film which exhibits low hygroscopicity, high transparency, high heat resistance and markedly lowered brittleness, and particularly to provide an optical film which is appropriately employed as a polarizing plate protective film for large liquid crystal display devices and outdoor liquid crystal display devices. The above optical film is characterized in that acrylic resin (A) and cellulose ester resin (B) are incorporated at a weight ratio of 95:5-30:70, weight average molecular weight Mw of aforesaid acrylic resin (A) is at least 80,000, total substitution degree (T) of the acyl group of aforesaid cellulose ester resin (B) is 2.0-3.0, the substitution degree of the acyl group having 3-7 carbon atoms is 1.2-3.0, and weight average molecular weight Mw of aforesaid cellulose ester resin (B) is at least 75,000. It is characterized that the total substitution degree of the acyl group other than carbon atoms of 3-7 of the cellulose ester resin (B) is at most 1.3. | 07-22-2010 |
20100179263 | OPTICAL FILM AND PROCESS FOR PRODUCING THE SAME - An optical film of high planarity that even in the use of an optical film material containing a non-resinous additive in an amount of 5 mass % or more, would exhibit inexpensive satisfactory roll cleaning effects, and that would find application in, especially, various functional films such as a retardation film and a protective film for polarization plate for use in a liquid crystal display apparatus, etc.; and a process for producing the optical film. There is disclosed a process for producing an optical film according to a melting casting film forming method, including extruding a melt of resin blend containing a resin and 5 mass % or more of non-resinous additive through a casting die into a film form, wherein a first roller ( | 07-15-2010 |
20100178377 | INJECTION MECHANISM, INJECTION MOLDING MACHINE AND OPTICAL ELEMENT - In repeating strokes for injecting a resin material, a piston ( | 07-15-2010 |
20100176522 | OPTICAL-PARTS MOLDING DIE AND OPTICAL-PARTS MANUFACTURING METHOD - A die having a plurality of cavities and a temperature sensor for acquiring a temperature value in which the number of the cavities is larger than that of electrothermal conversion elements. When viewed from a direction perpendicular to the surface of a parting line, all cavities and a temperature sensor are arranged in a region occupied by the electrothermal conversion elements. Interval between the outlines of the cavities is smaller than the minimum interval between the outline of the cavity and the electrothermal conversion element, and the shortest distance between the electrothermal conversion element and the temperature measuring portion of a temperature measuring element is shorter than the minimum interval between the outline of the cavity and the electrothermal conversion element. | 07-15-2010 |
20100171786 | COATING DEVICE - A coating device is provided with: a plurality of inkjet heads ( | 07-08-2010 |
20100166413 | IMAGING LENS, IMAGING DEVICE, PORTABLE TERMINAL, AND METHOD FOR MANUFACTURING IMAGING LENS - An imaging lens (LN) includes at least one lens block (BK), and an aperture stop (ape). The lens block (BK) includes parallel flat lens substrates (LS) formed of different materials, and a lens (L). In the imaging lens (LN), a first lens block (BK | 07-01-2010 |
20100164141 | Cellulose Ester Film, Its Manufacturing Method, Polarizing Plate, and Liquid Crystal Display - Disclosed is a cellulose ester film comprising cellulose ester and a phosphonite compound. | 07-01-2010 |
20100157206 | POLARIZING PLATE PROTECTIVE FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY - Disclosed is a polarizing plate protective film having high dimensional stability against moisture. Also disclosed are a polarizing plate using such a polarizing plate protective film, and a liquid crystal display. Specifically disclosed is a polarizing plate protective film which is characterized by containing a cellulose ester and a polymer X which is obtained by copolymerizing at least a styrene derivative monomer Xa having no hydroxyl group and an ethylenically unsaturated monomer Xb having a hydroxyl group or a carboxyl group, and has a weight average molecular weight of 500-100,000. | 06-24-2010 |
20100157133 | IMAGE CAPTURING DEVICE - An image capturing device, including an rectangular image capturing element having long sides and short sides; an image capturing optical system forming an image of a subject on the rectangular image capturing element; a first driving device which moves the rectangular image capturing element in a first direction slanted by a predetermined angle from the long side and the short side of an outer shape of the rectangular image capturing element in a plane perpendicular to an optical axis of the image capturing optical system; and a second driving device which moves the rectangular image capturing element in a second direction slanted by a predetermine angle from the long side and the short side of the outer shape of the rectangular image capturing element in the plane perpendicular to the optical axis of the image capturing optical system, but the second direction differs from the first direction. | 06-24-2010 |
20100151156 | METHOD OF PRODUCING CELLULOSE ESTER FILM, CELLULOSE ESTER FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY - Disclosed is a method for producing a cellulose ester film wherein a film-forming material containing the following components A-C is heated and melted, and a cellulose ester film is formed therefrom by melt-casting. A: a cellulose resin, B: an ester compound obtained by condensing an organic acid represented by Formula (1) and a polyalcohol, and C: an aliphatic polyester or an aliphatic-aromatic copolymer. | 06-17-2010 |
20100142050 | ANISTROPIC DYE LAYER, COORDINATION POLYMER FOR ANISTROPIC DYE LAYER AND POLARIZATION ELEMENT, AND POLARIZATION CONTROL FILM, POLARIZATION CONTROL ELEMENT, MULTI-LAYER POLARIZATION CONTROL ELEMENT, ELLIPSE POLARIZATION PLATE, LIGHT EMISSION ELEMENT, AND METHOD FOR CONTROLLING POLARIZATION PROPERTIES EMPLOYING THE ANISTROPIC DYE LAYER - An anisotropic dye layer containing a coordination polymer is disclosed. The a polarization control film containing an oriented dichroic dye in which light absorption spectrum of a molecule is reversibly changed by charge passing are disclosed. | 06-10-2010 |
20100137578 | CELLULOSE ESTER FILM FOR OPTICAL USE, AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY USING SUCH CELLULOSE ESTER FILM FOR OPTICAL USE - Disclosed is a cellulose ester film for optical use which contains an ultraviolet absorbent and hardly suffers from retardation fluctuations. The cellulose ester film is excellent in spectral absorption property as an optical film. In addition, the cellulose ester film is free from coloration and has excellent transparency, which having sufficient ultraviolet absorption and excellent long-term light resistance. Also disclosed are a polarizing plate and liquid crystal display wherein high contrast is maintained by using such a cellulose ester film for optical use. Specifically disclosed is a cellulose ester film for optical use which is characterized by containing at least one compound represented by one of the general formulae 1-3. Also specifically disclosed are a polarizing plate and liquid crystal display using such a cellulose ester film for optical use. | 06-03-2010 |
20100134905 | IMAGING LENS, IMAGING DEVICE, PORTABLE TERMINAL, AND METHOD FOR MANUFACTURING IMAGING LENS - An imaging lens (LN) includes one or two lens blocks (BK), and an aperture stop (ape). The lens block (BK) includes a plane-parallel lens substrate (LS) and a lens (L) formed of different materials. In the imaging lens (LN), a first lens block (BK | 06-03-2010 |
20100134903 | IMAGING LENS, IMAGING DEVICE, PORTABLE TERMINAL, AND METHOD FOR MANUFACTURING IMAGING LENS - An imaging lens (LN) includes at least one lens block (BK), and an aperture stop (ape). The lens block (BK) includes parallel flat lens substrates (LS) formed of different materials, and a lens (L). In the imaging lens (LN), a first lens block (BK | 06-03-2010 |
20100127341 | Imaging Device Manufacturing Method, Imaging Device and Portable Terminal - Provided are a method for manufacturing a low cost imaging device, the low cost imaging device manufactured by such method and a portable terminal using the imaging device. A silicon wafer | 05-27-2010 |
20100118664 | NEAR FIELD LIGHT GENERATING DEVICE, OPTICALLY ASSISTED MAGNETIC RECORDING HEAD, OPTICALLY ASSISTED MAGNETIC RECORDING DEVICE, NEAR FIELD OPTICAL MICROSCOPE AND NEAR FIELD LIGHT EXPOSURE APPARATUS - Disclosed is a near field light generating device comprising a first medium layer which transmits light from a light source. This near field light generating device generates near field light by using light irradiating a plasmon probe through the first medium. This near field light generating device is characterized in that a second medium layer having a refractive index lower than that of the first medium layer is formed between the first medium layer and the plasmon probe. | 05-13-2010 |
20100118281 | PROJECTION OPTICAL SYSTEM - A projection optical system satisfies the following conditional equation: 0.01<{(tan θ f | 05-13-2010 |
20100110865 | Optical Information Recording and Reproducing Apparatus, and Cartridge - An optical information recording and reproducing apparatus relating to the invention employs a two-beam interference method. In the optical information recording and reproducing apparatus, a moving device moves an information recording medium between a recording and reproducing position and a retracting position, and a mirror moves together with the information recording medium. When the information recording medium moves to the recording and reproducing position, the mirror moves to a position which is displaced from the at least one of the reference beam and the information beam. When the information recording medium moves to the retracting position, the mirror moves to a position where the mirror can reflect the at least one of the reference beam and the information beam toward a detector for detecting a deviation of the at least one of the reference beam and the information beam. | 05-06-2010 |
20100105830 | METHOD FOR PRODUCING OPTICAL FILM, OPTICAL FILM, POLARIZING PLATE AND DISPLAY - A method of manufacturing an optical film by a solution casting method, in which a poor peeling region of a metal support can be eliminated by casting a dope on the surface of the metal support after a surface treatment film is formed on the surface of the metal support by atmospheric pressure plasma treatment or excimer UV treatment. Consequently, limitation on the conditions of film production is reduced and productivity is enhanced. Furthermore, since peeling of the film is enhanced, lateral variation in peeling position is reduced and variation in retardation value is reduced sharply, and thereby an optical film having optical characteristics excellent in transparency and flatness can be manufactured. Consequently, a method for manufacturing an optical film, an optical film, a polarizing plate and a display device which meet the demands of a high quality thin and wide protective film for polarizing plate can be provided. | 04-29-2010 |
20100103490 | Optical Information Recording Reproducing Apparatus - In the optical information recording reproducing apparatus that makes a reference light beam to interfere with an information light beam so as to record the information of the information light beam in a recording medium based on a two light beam interference method, or irradiates the reference light beam to a recording medium so as to emit a light beam and reproduces information stored in the recording medium by leading the light beam emitted from the recording medium an the image light receiving element, the optical information recording reproducing apparatus comprises a detector to detect positional deviation of at least one of the reference light beam and the information light beam from a predetermined optical path; and a correcting mechanism to correct the positional deviation based on an output from the detector. | 04-29-2010 |
20100101720 | Bonding Method of Resin Member - A method for bonding resin members by laser welding in which melting of a resin member can be prevented on the contact surface with a base or a tool used for bonding. In the bonding method, a resin member ( | 04-29-2010 |
20100097918 | OPTICAL RECORDING HEAD, OPTICAL RECORDING HEAD MANUFACTURING METHOD AND RECORDING/REPRODUCING DEVICE - Provided is a highly reliable optical recording head which has a small fluctuation of a quantity of light applied on a recording medium due to temperature. The optical recording head is provided with a light guide section for guiding light applied from a light source, a slider relatively moving to the recording medium, and a light transmitting section, which is arranged on the slider, transmits the light outputted from the light guide section and outputs the light toward the recording medium. The optical recording head is further provided with an adhesive layer, which is sandwiched between the light transmitting section and the light guide section and fixes the positions of the light transmitting section and the light guide section, and an elastic cohesive layer, which is sandwiched between the portions other than the light transmitting section of the slider and the light guide section. | 04-22-2010 |
20100097581 | PROJECTION OPTICAL SYSTEM - A projection optical system receives light from a display device surface and enlarges and projects a display image thereon onto a screen surface. The projection optical system includes one or more reflective surfaces having an optical power between the display device surface and the screen surface, moves at least one optical device having an optical power to adjust focus and satisfies the following conditional formula: −0.02<{(δ1−δ2)β2}/{(δ1+δ2)β1}<0.2 where δ1 and δ2 represent, when the absolute value of a projection magnification is the highest and the lowest, respectively, during focus adjustment, the absolute value of a difference between a distance from the exit pupil of rays incident on the screen upper ends of the screen surface to the screen surface and a distance from the exit pupil of rays incident on the screen lower ends of the screen surface to the screen surface and β1 and β2 represent the maximum value and minimum value, respectively, of the projection magnification when focus is adjusted. | 04-22-2010 |
20100091387 | IMAGING LENS, IMAGING DEVICE, PORTABLE TERMINAL, AND METHOD FOR MANUFACTURING IMAGING LENS - An imaging lens (LN) includes one or two lens blocks (BK), and an aperture stop (ape). The lens block (BK) includes a plane-parallel lens substrate (LS) and a lens (L) formed of different materials. In the imaging lens (LN), a first lens block (BK | 04-15-2010 |
20100077799 | Manufacturing Method of Lens and Lens - Since a lens droplet contacts with an outer shape regulation frame | 04-01-2010 |
20100073803 | MAGNETIC RECORDING DEVICE AND MAGNETIC RECORDING HEAD DRIVE MECHANISM - Provided is a magnetic recording device which can perform high density magnetic recording by simple constitution. The magnetic recording device is provided with a disc driving means for rotating a magnetic disc; a head having a heating section for heating a circular track of the magnetic disc and a recording element for applying a magnetic field modulated by an electric signal to the magnetic disc; and a head driving means for circularly moving the head in the radius direction of the magnetic disc by rotating about a driving shaft. The recording element has a magnetism applying section that traverses any track heated by the heating section in the radius direction of the magnetic disc. | 03-25-2010 |
20100069535 | Cellulose Ester Optical Film, Polarizing Plate and Liquid Crystal Display Using the Same, Method of Manufacturing Cellulose Ester Optical Film, and Copolymer. - Disclosed is a cellulose ester optical film containing cellulose ester, a polymer (a) below and a compound (b) below:
| 03-18-2010 |
20100060996 | Image Pickup Lens, Image Pickup Apparatus and Mobile Terminal - An image pickup lens relating to the present invention is a lens for forming an image of a subject onto a photoelectric converter of a solid-state image pickup element. The image pickup lens includes, in order from an object side thereof: an aperture stop; a first lens with a positive refractive power; a second lens in a meniscus shape with a negative refractive power, whose object side surface is a convex surface; a third lens with a positive refractive power; and a fourth lens with a negative refractive power. The image pickup lens satisfies a predetermined conditions relating to a curvature radius of the object side surface of the second lens and an Abbe number of the second lens. | 03-11-2010 |
20100058809 | METHOD OF MANUFACTURING A GLASS OPTICAL ELEMENT - A manufacturing apparatus of the present invention has a pair of dies that form each cylindrical surface, and a plane member that forms side surfaces of an element. The upper die and the lower die has a cylindrical surface which is worked so as to have generatrix which connects intersection points between a non-arc axis and a cylindrical section and between an arc center axis and the cylindrical section. The plane member is pressed against reference surfaces of the upper die and the lower die. In this state, a glass material is put between the upper die and the lower die, and a distance between the upper die and the lower die is decreased. As a result, the cylindrical surfaces of the upper die and the lower die and the plane of the plane member are transferred onto the glass material. | 03-11-2010 |
20100053776 | Imaging Lens and Small-Size Image Pickup Apparatus using the Same - There are provided an imaging lens, which is capable of promoting high definition and miniaturization of a small-size image pickup apparatus, and the small-size image pickup apparatus using the same. A aperture diaphragm S is arranged between a first lens L | 03-04-2010 |
20100045808 | VARIABLE-POWER OPTICAL SYSTEM, IMAGE PICKUP DEVICE, AND DIGITAL APPARATUS - A variable-power optical system includes, in order from an object side thereof: a first lens group with a negative optical power; a second lens group with a positive optical power; a third lens group with a negative optical power; and a fourth lens group with a positive optical power. An interval between the first lens group and the second lens group decreases when a power of the variable-power optical system varies from a wide-angle end to a telephoto end. The second lens group includes at least one aspheric surface. The variable-power optical system satisfies the predetermined conditional expressions. | 02-25-2010 |
20100040806 | CELLULOSE ESTER OPTICAL FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY USING THE CELLULOSE ESTER OPTICAL FILM, AND METHOD FOR PRODUCING CELLULOSE ESTER OPTICAL FILM - Disclosed is a cellulose ester optical film characterized by containing a cellulose ester, a polymer (a) defined below and a compound (b) defined below. (a) a polymer obtained by copolymerizing an ethylenically unsaturated monomer having a partial structure represented by the general formula (1) below in a molecule and at least one ethylenically unsaturated monomer (b) at least one compound selected from the group consisting of carbon radical scavengers, phenol compounds and phosphorus compounds. (In the formula, R | 02-18-2010 |
20100007990 | MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING MEDIUM AND METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM SUBSTRATE - Provided are a magnetic recording medium substrate whereupon a magnetic layer can be regularly formed in a recording area, a magnetic recording medium and a method for manufacturing the magnetic recording medium substrate. A plurality of recording areas wherein the magnetic layer is to be formed are formed on the surface of the disk-shaped magnetic recording medium substrate. The size of the recording area is an integral multiple of a lattice constant of a unit lattice of a single crystal structure constituting the magnetic layer. For instance, the width of a protruding section ( | 01-14-2010 |
20100002297 | OPTICAL FILM, PROCESS FOR PRODUCING THE SAME, AND POLARIZATION PLATE UTILIZING THE FILM - This invention provides an optical film having a reduced thickness and an increased width, which is free from bleedout with the elapse of time (during storage) in a continuous wound state, a method for manufacturing an optical film, and a polarizing plate using the optical film. The optical film is a plasticizer-containing optical film having an overall width of 1500 mm to 4000 mm produced by a solution casting method. The amount of the plasticizer present in the center portion in the surface side of the optical film is determined as value A by TOF-SIMS. The amount of the plasticizer present in the center portion in the back side is determined as value B by the TOF-SIMS. Value X is determined by formula 1 based on the values A and B. The amount of the plasticizer present in the end portion in the surface side of the optical film is determined as value A′ by TOF-SIMS, and the amount of the plasticizer present in the end portion of the back side is determined as value B′ by the TOF-SIMS. Value X′ is determined by formula 2 based on the values A′ and B′. The X value is different from and larger than the X′ value. | 01-07-2010 |
20090324764 | OPTICAL ELEMENT MOLDING APPARATUS - An optical element manufacturing apparatus is provided with a fixed side metal mold | 12-31-2009 |
20090323197 | PROJECTION LENS AND PROJECTOR - An object of the invention is to provide a projection lens capable of sufficiently correcting lateral chromatic aberration at both of the wide-angle end and the telephoto end, with an increased zoom ratio, a less number of lens elements, and less variation in telecentricity. | 12-31-2009 |
20090315198 | Metal Mold Assembly for Optical Part and Method of Setup Therefor - A mold assembly that is adapted to clamp fixed mold and movable mold together while making temperature adjustment and inject a molding material into a molding cavity provided therebetween, thereby producing an optical part. The mold assembly is one including fixed platen supporting fixed mold, provided on a part of its mold-side surface with locating hole and including ring of configuration with external and internal surfaces, fitted at its external surface in the locating hole, wherein the fixed mold is provided with a locating projection protruding toward the fixed platen, fitted in the internal surface of the locating hole, and wherein the ring consists of a material whose linear expansion coefficient is smaller than those of the material of the fixed platen and the material of the locating projection. | 12-24-2009 |
20090306361 | PROCESS FOR PRODUCING CELLULOSE ESTER FILM, CELLULOSE ESTER FILM, POLARIZATION PLATE AND DISPLAY UNIT - A process for producing a cellulose ester film that is produced by a melt casting method using no solvent at film formation, and that attains reduction of bright spot foreign matter, excelling in planarity, and that attains reduction of staining, excelling in dimensional stability. It is also intended to provide such a cellulose ester film, a polarizing plate and a liquid crystal display unit. There is provided a process for producing a cellulose ester film, characterized by forming into a film a material containing a cellulose ester and an ester compound of 1 to 7.5 distribution coefficient obtained by condensation of a polyhydric alcohol and an organic acid of the general formula: (1) according to a melt casting method. | 12-10-2009 |
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 |
20090303612 | VARIABLE-POWER OPTICAL SYSTEM, IMAGE PICKUP DEVICE, AND DIGITAL APPARATUS - A variable-power optical system includes, in order from an object side thereof: a first lens group with a negative optical power; a second lens group with a positive optical power, moving when the power of the variable-power optical system varies; and a third lens group with a positive or negative optical power. The first lens group includes two or more lenses including one positive lens and one negative lens which include at least two or more lenses made of a plastic material. The variable-power optical system satisfies the predetermined conditional expressions relating to is a focal length of the first lens, a focal length of the second lens, a composite focal length of the total optical system, and an image-forming magnification of the second lens group at a telephoto end. | 12-10-2009 |
20090303607 | ANAMORPHIC CONVERTER AND IMAGE PROJECTION SYSTEM - An anamorphic converter includes, from a projected-surface side, a first group and a second group. The first group includes one or more lens elements and has a negative power at least in a main magnification direction. The second group includes one or more lens elements and has a positive power at least in the main magnification direction. Of optical surfaces, a last surface of the first group and a first surface of the second group: [1] have a power in both main magnification and sub-magnification directions; [2] are convex toward the projected-surface side in both main magnification and sub-magnification directions in a region having an area that is | 12-10-2009 |
20090290234 | Image Pickup Lens, Image Pickup Unit, and Mobile Terminal - An image pickup lens includes, in order from an object side thereof: a first lens in a meniscus shape having a positive refractive power and including a convex surface facing the object side; a second lens having a negative refractive power and including a concave surface facing an image side of the image pickup lens; a third lens in a meniscus shape having a positive refractive power and including a convex surface facing the image side; and a fourth lens having a negative refractive power and including a concave surface facing the image side, where at least one surface of the fourth lens is in an aspheric shape. The image pickup lens satisfies a predetermined condition relating to a composite focal length of the first lens and the second lens, and a focal length of a total system of the image pickup lens. | 11-26-2009 |
20090290228 | Zoom Lens - A zoom lens includes, in order from an object side thereof: a first lens group with a positive refractive power; a second lens group with a negative refractive power; a third lens group with a positive refractive power; a fourth lens group with a negative refractive power; and a fifth lens group with a positive refractive power. A power of the zoom lens is varied by changing intervals between neighboring lens groups in the first through fifth lens groups. The second lens group includes a cemented lens consisting of one positive lens and one negative lens, and the third lens group includes a cemented lens consisting of two positive lenses and one negative lens. | 11-26-2009 |
20090281234 | MANUFACTURING METHOD OF THERMOPLASTIC COMPOSITE MATERIAL, THERMOPLASTIC COMPOSITE MATERIAL AND OPTICAL ELEMENT - The present invention provides a transparent optical element having low thermal expansion and a manufacturing method of an optical element such as an object lens | 11-12-2009 |
20090267270 | PROCESS FOR PRODUCING FILM WITH CONCAVO-CONVEX PATTERN - The present invention provides a process for producing a concavo-convex pattern film which excels in its peelability from an embossing roll and in coatability of an anti-reflection layer, etc. There is provided a process of producing a concavo-convex pattern film by forming a concavo-convex pattern on the surface of a transparent resin film employing an embossing roll having on the surface a convex-concavo pattern, characterized in that the embossing roll is made of glass and a photocatalyst layer is provided on the surface of the embossing roll, characterized in that the process comprises the steps of introducing a UV curable resin composition between the embossing roll and a transparent resin film provided around the embossing roll to form a UV curable resin layer, exposing the UV curable resin layer to UV rays to form a UV cured resin layer having on the surface a concavo-convex pattern, the UV rays being emitted from the interior of the embossing roll, and peeling the UV cured resin layer together with the transparent resin film from the embossing roll. | 10-29-2009 |
20090257133 | Image Pickup Lens, Image Pickup Unit and Mobile Terminal - An image pickup lens includes: an aperture stop; a first lens having a positive power and including a convex surface facing an object side; a second lens having a negative power and including a concave surface facing an image side; a third lens in a meniscus shape having a positive power and including a convex surface facing the image side; and a fourth lens in a meniscus shape having a negative power and including a convex surface facing the object side. The image pickup lens satisfies predetermined conditions relating to a composite focal length of the first through third lenses, a length of an air space between the third lens and the fourth lens along the optical axis, and a curvature radius of a surface of the second lens facing the image side. | 10-15-2009 |
20090251643 | POLARIZING PLATE, MANUFACTURING METHOD OF POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY APPARATUS - A polarizing plate arranged on at least one surface of a liquid crystal cell for use in a liquid crystal display apparatus, comprising a first polarizing plate protective film, a polarizing film, and a second polarizing plate protective film, the first polarizing plate protective film being arranged on the liquid crystal cell side with respect to a polarizing film, and the second polarizing plate protective film being arranged on the side opposite to the liquid crystal cell intervening the polarizing film, wherein the first polarizing plate protective film contains a cellulose ester and a hindered phenol compound in an amount of 0.01 to 5.0 weight % based on the total weight of the cellulose ester. | 10-08-2009 |
20090251552 | Lens Barrel Having Camera Shake Corrector and Photographing Apparatus Equipped Therewith - A camera shake corrector includes: a first moving member that holds an image sensor or a prescribed lens and is capable of moving in a first direction; a first motor that moves the first moving member; a second moving member that holds the first moving member and is capable of moving in a second direction that is different from the first direction; a second motor that moves a second moving member; a single detecting member; and a section to be detected by the single detecting member, which is formed on the first moving member. Initial positions of the first moving member and the second moving member are detected by the section to be detected and the single detecting member. | 10-08-2009 |