Patent application number | Description | Published |
20100026937 | VIEWING ANGLE CONTROL DEVICE AND DISPLAY PROVIDED WITH THE SAME - There are provided a viewing angle control device that can provide a black display without coloring and achieve a significantly improved shielding ability during a narrow viewing angle state, and a display using the same. In order to adjust VT (voltage-transmittance) characteristics of a viewing angle control liquid crystal panel ( | 02-04-2010 |
20100060824 | VIEWING ANGLE CONTROLLING LIQUID CRYSTAL PANEL AND DISPLAY DEVICE - A viewing angle controlling liquid crystal panel in which uniformity of a shielding effect in a screen is further improved is provided. Linearly polarized light enters a liquid crystal layer. Further, the liquid crystal layer is provided, on a light exit side of the liquid crystal layer, with a polarizing plate transmitting only a component of light having exited from the liquid crystal layer which component is parallel to a polarization axis of the linearly polarized light having entered the liquid crystal layer. Liquid crystal molecules contained in the liquid crystal layer are tilted in a direction parallel to or perpendicular to the polarization axis of the linearly polarized light having entered the liquid crystal layer. In addition, an electrode ( | 03-11-2010 |
20100103148 | VIEWING ANGLE CONTROL DEVICE AND DISPLAY PROVIDED WITH THE SAME - There are provided a viewing angle control device that can provide a pure black display without coloring and have a significantly improved shielding ability in the narrow viewing angle state, and a display using the viewing angle control device. To adjust the VT (voltage-transmittance) characteristics of a viewing angle control liquid crystal panel ( | 04-29-2010 |
20100188617 | DISPLAY AND VIEW ANGLE CONTROL ELEMENT EMPLOYED THEREIN - There are provided a display that can block light so that a display on an image display device is invisible from a wide range of view angles in an oblique direction, and a view angle control element employed therein. In a narrow view angle state, a view angle control liquid crystal panel ( | 07-29-2010 |
20100238376 | DISPLAY AND VIEWING ANGLE CONTROL ELEMENT USED FOR SAME - It is an object to provide a display that can reliably shield visible light in the entire wavelength regions when viewed from an oblique direction and a viewing angle control element used for the display. A viewing angle control liquid crystal panel ( | 09-23-2010 |
Patent application number | Description | Published |
20100245490 | PIEZOELECTRIC ACTUATOR AND MANUFACTURING METHOD THEREOF, LIQUID EJECTING HEAD, AND IMAGE FORMING APPARATUS - A piezoelectric actuator is disclosed. The piezoelectric actuator includes a base member and three or more piezoelectric element members in which plural piezoelectric elements are formed by slits. The three or more piezoelectric element members are arrayed in a line on the base member and a gap is formed at the connection position between two adjacent piezoelectric element members. | 09-30-2010 |
20110141209 | IMAGE FORMING APPARATUS - An image forming apparatus, includes a liquid jet head; a container main body; an air opening mechanism configured to open and close an air opening path in the container main body. The air opening mechanism includes a holding part, and an opening member movably provided at the holding part. The opening member includes an air communicating path, a filter member, and an air room. An opening cross-sectional area of the air room in a direction perpendicular to an air flow-in direction is greater than an opening cross-sectional area of the air communicating path in a direction perpendicular to an air flow-in direction. | 06-16-2011 |
20130155158 | IMAGE FORMING APPARATUS - An image forming apparatus, includes a liquid jet head; a container main body; an air opening mechanism configured to open and close an air opening path in the container main body. The air opening mechanism includes a holding part, and an opening member movably provided at the holding part. The opening member includes an air communicating path, a filter member, and an air room. An opening cross-sectional area of the air room in a direction perpendicular to an air flow-in direction is greater than an opening cross-sectional area of the air communicating path in a direction perpendicular to an air flow-in direction. | 06-20-2013 |
Patent application number | Description | Published |
20090290889 | TRANSFER DEVICE, IMAGE FORMING APPARATUS AND CONTROL METHOD OF TRANSFER DEVICE - A transfer device includes: a transfer section for transferring a toner image on an image carrier onto a sheet passing through a nip portion which is formed between the transfer section and the image carrier; an application section for applying a voltage to the transfer section; and a control section for controlling the application section, wherein the control section controls the application section to apply a voltage having an opposite polarity to a transfer polarity to the transfer section since a leading edge of the sheet in a conveyance direction advances into the nip portion until a predetermined non image area of the sheet has passed through the nip portion, and then switch to apply a voltage having the transfer polarity from the voltage having the opposite polarity to the transfer section while a non image area of the sheet passes through the nip portion. | 11-26-2009 |
20090290899 | IMAGE FORMING APPARATUS - Disclosed is an image forming apparatus comprising: a developing device to house a toner and to form a toner image on an image carrier; a transfer belt to transfer the toner image formed on the image carrier to a sheet, the transfer belt comprising an elastic layer; and a blade to remove the toner remaining on the transfer belt after the toner image has been transferred, the blade being in contact with the transfer belt, wherein the transfer belt and the blade are configured so that a stiffness of the transfer belt is larger than a stiffness of the blade, in a temperature range which is no higher than a glass transition temperature of the toner. | 11-26-2009 |
20100329714 | IMAGE FORMING APPARATUS - An image forming apparatus including: a photoreceptor; a charging section to charge the photoreceptor; a developing section to develop a latent image; a transfer section to transfer the developed image to a transfer sheet using a contact transfer method; a cleaning section to remove a remaining toner on the photoreceptor; a control section that performs control so that a toner image is formed in an image forming region, the toner image is transferred to the transfer sheet, and a toner image is formed which is not transferred to the transfer sheet in a region between image forming regions on the photoreceptor; and a charge elimination section provided between the transfer section and the cleaning section; wherein the control section controls polarities of electric current applied to the transfer section and the charge elimination section so that the polarities differ between the image forming region and the region between images. | 12-30-2010 |
20100329715 | TRANSFER DEVICE AND IMAGE FORMING APPARATUS - A transfer device comprising: a transfer section which forms a nip portion between the transfer section and an image carrier and transfers a toner image on an image carrier onto a sheet passing through the nip portion; an application section which applies a voltage to the transfer section; a determining section which determines a timing of applying voltage from the application section to the transfer section, wherein the control section controls the application section to apply a voltage having an opposite polarity to a transfer polarity to the transfer section until the timing determined by the determination section in a period since a leading edge of the sheet in a conveyance direction advances into the nip portion until a predetermined non image area of the sheet has passed through the nip portion, and then, at a timing determined, switch to apply a voltage having the transfer polarity. | 12-30-2010 |
20110091243 | Image Forming Apparatus - An image forming apparatus including: an image carrier, rotating in a first direction and a second direction, and the second direction is opposite to the first direction; a transfer device for transferring the toner image; a cleaning device comprising a cleaning blade for cleaning the image carrier; and a cleaning blade exchanging section for exchanging the cleaning blade, wherein the apparatus works in such ways that, after the cleaning blade exchanging section has retracted the cleaning blade to a retracted position, the cleaning blade exchanging section rotates the image carrier in the second direction, whereby any foreign material, adhered onto the image carrier while the cleaning blade is exchanged, is moved upstream of the cleaning position of the cleaning blade, then the cleaning blade is pressed against the image carrier, and the image carrier is subsequently rotated in the first direction, so that the image carrier is cleaned. | 04-21-2011 |