| Patent application number | Description | Published |
| 20080252973 | POLARIZING PLATE, OPTICAL FILM AND IMAGE DISPLAY - A polarizing plate of the present invention comprises a polarizer; an adhesive layer; and a transparent protective film bonded to at least one side of the polarizer with the adhesive layer interposed therebetween, wherein the adhesive layer is formed from an active energy ray curing adhesive containing at least one curable component, and the adhesive layer has a glass transition temperature (Tg) of 60° C. or more, and a thickness of 0.01 μm to 7 μm. The polarizing plate has sufficient durability in a severe environment at high temperature and high humidity. | 10-16-2008 |
| 20090086318 | POLARIZING PLATE, MANUFACTURING METHOD THEREFOR, OPTICAL FILM AND IMAGE DISPLAY - A polarizing plate of the present invention comprises: a polarizer; a transparent protective film placed on at least one side of the polarizer; and an adhesive layer and an adhesion facilitating layer interposed in this order from the polarizer side between the polarizer and the transparent protective film, wherein the adhesive layer is formed with an active energy ray-curable adhesive that contains a hydroxyl group-containing N-substituted amide monomer as a curable component, and the adhesion facilitating layer is formed with a polymer resin composition that contains 100 parts by weight of a polymer resin and 3 to 30 parts by weight of an organosilane compound having at least one functional group selected from an acryloyl group, a methacryloyl group, a vinyl group, and a mercapto group. The polarizing plate has good adhesion. | 04-02-2009 |
| 20100300611 | METHOD FOR MANUFACTURING OPTICAL DISPLAY UNIT, AND SHEET MATERIAL AND ROLL FOR USE THEREIN - An optical display unit manufacturing method includes subjecting a sheet material having curling properties to half cutting and bonding the cut piece of the sheet material to a substrate with an adhesive interposed therebetween, while peeling off the member left uncut and can solve the problem of peeling of the cut piece of the sheet material during feeding after the half cutting in such a process, so that the cut piece of the sheet material can be bonded to the substrate in a satisfactory manner. A method for manufacturing an optical display unit comprising a step for feeding a continuous sheet material from a roll of the continuous sheet material, wherein the continuous sheet material comprises the optical member and a release film provided on one side of the optical member with the adhesive interposed therebetween, and cutting the sheet material by cutting means, while leaving the release film uncut and bonding the sheet material to the substrate with the adhesive interposed therebetween, while removing the release film. When no external force is applied, the sheet material curls in the longitudinal direction in such a way that the release film is facing inward. | 12-02-2010 |
| 20110043733 | ADHESIVE POLARIZATION PLATE, IMAGE DISPLAY AND METHODS FOR MANUFACTURING ADHESIVE POLARIZATION PLATE AND IMAGE DISPLAY - Provided is a pressure-sensitive adhesive polarizing plate, including: a polarizer (P); a transparent protective film (E) provided on only one side of the polarizer (P) with an adhesive layer (G) interposed therebetween; a pressure-sensitive adhesive layer (B) provided on another side of the polarizer (P) with a protective layer (H) having a tensile modulus of 100 MPa or more interposed therebetween. The pressure-sensitive adhesive polarizing plate satisfies durability even under harsh environments at a low temperature and a high temperature. | 02-24-2011 |
| 20110128477 | IMAGE DISPLAY DEVICE - Provided is an image display device including an image display cell and a polarizing plate placed on a viewer side of the image display cell. The first polarizing plate includes a polarizer and a first protective film. The first protective film is placed on a viewer-side principal surface of the polarizer and satisfies following relations: (i) 0 nm≦Re | 06-02-2011 |
| 20110194048 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display in which occurrence of iridescent unevenness is suppressed, even when a film with high level of mechanical properties, chemical resistance and water-barrier properties is used as a polarizer-protective-film. Also, disclosed is a polarizing plate to be used in the liquid crystal display. The liquid crystal display includes a liquid crystal cell, a light source, a first polarizing plate placed between the liquid crystal cell and the light source, and a second polarizing plate placed on a viewer side of the liquid crystal cell. The first polarizing plate includes a polarizer and a first protective film placed on a light source side principal surface of the first protective film, and the first protective film satisfies following relations: (i) 0 nm≦Re | 08-11-2011 |
| Patent application number | Description | Published |
| 20090148154 | SHUTTER DRIVE DEVICE FOR CAMERA - In a shutter drive device for a camera, the device including: a plate having an aperture; a shutter blade provided in the plate, and for opening and closing the aperture; and an driving source provided in the plate, and for driving the shutter blade. The driving source includes: a rotor magnetized with plural magnetic poles in a circumferential direction, and rotatable about an axis thereof; a stator generating magnetic force against the rotor; and a coil provided in the stator and for exciting the stator. The rotor has an arm portion extending outwardly in a direction perpendicular to the axis of the rotor, and a pin portion engaging with the shutter blade and provided in the arm portion to stand. The rotor, the arm portion and the pin portion are disposed within a thickness of the coil in the axis direction. | 06-11-2009 |
| 20090232487 | ACTUATOR AND BLADE DRIVE DEVICE FOR CAMERA - An electromagnetic actuator includes: a coil for excitation; a stator excited with different magnetic poles by energization of the coil; a rotor magnetized with the different magnetic poles in accordance with a circumferential direction, and rotated by a magnetic force generating between the rotor and the stator; and an outputting member rotated in conjunction with the rotor and outputting rotational movement of the rotor to a first blade and a second blade. The outputting member is provided with a fitting hole press-fitted onto the rotor. | 09-17-2009 |
| 20090232490 | COIL BOBBIN, ACTUATOR, AND BLADE DRIVE DEVICE FOR CAMERA - A coil bobbin includes: a body portion around which a coil is wound and having a cylindrical shape; a pair of flange portions formed at both ends of the body portion respectively; and terminal portions which are formed in the pair of flange portions, respectively, the terminal portions being around which respective ends of the coil are wound. The pair of flange portions have thicker portions and thinner portions, respectively, different from each other in thickness. The pair of flange portions is formed to gradually reduce a thickness from the thicker portions toward the thinner portions, respectively. The terminal portions are formed in the thicker portions, respectively. | 09-17-2009 |
| 20090269048 | BLADE DRIVE DEVICE AND OPTICAL DEVICE - A blade drive device includes: a board having an opening; a blade for adjusting an amount of the opening; and first and second drive rings having a support structure for commonly supporting the blade for swinging, rotating in an identical direction with a given speed difference, and being arranged in a same plane. | 10-29-2009 |
| 20100054728 | BLADE DRIVE DEVICE AND OPTICAL EQUIPMENT - A blade drive device according to a first embodiment includes: a board including an opening and a slide slot; a blade for adjusting an opening amount of the opening; and a transmitting member for transmitting a drive force from an electromagnetic actuator to the blade through the slide slot. The transmitting member includes: an arm member revolving; and an engagement member sliding in contact with an inner surface of the slide slot in conjunction with a revolving of the arm member, and being brought into pressure contact with the inner surface of the slide slot by an external impact. | 03-04-2010 |