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| 20120132934 | ORGANIC EL ELEMENT, DISPLAY APPARATUS, AND LIGHT-EMITTING APPARATUS - An organic EL element has an anode, a cathode, a hole injection layer and at least one functional layer disposed between the anode and the cathode. The at least one functional layer contains an organic material. Holes are injected into the functional layer from the hole injection layer, which contains a tungsten oxide. A Ultraviolet Photoelectron Spectroscopy (UPS) spectrum obtained from a UPS measurement has a protrusion near a Fermi surface and within a region corresponding to a binding energy range lower than a top of the valence band. The tungsten oxide contained in the hole injection layer satisfies a condition, determined from an X-ray Photoelectronic Spectroscopy measurement, that a ratio in a number density of atoms other than tungsten and oxygen atoms to the tungsten atoms does not exceed approximately 0.83. | 05-31-2012 |
| 20130056719 | ORGANIC EL DISPLAY PANEL AND ORGANIC EL DISPLAY APPARATUS - Provided is organic EL display panel and an organic EL display apparatus that can be driven at a low voltage and that exhibit excellent light-emitting efficiency. Included are a substrate, a first electrode, an auxiliary wiring, a hole injection layer, a functional layer, and a second electrode. The hole injection layer and the second electrode are formed to be continuous above the first electrode and above the auxiliary wiring. The second electrode and the auxiliary wiring are electrically connected by the hole injection layer in an organic EL display panel. The hole injection layer is a metal oxide film, and metal atoms constituting the metal oxide include both metal atoms at a maximum valence thereof and metal atoms at a valence less than the maximum valence. The metal oxide film includes a metal oxide crystal with a particle diameter on the order of nanometers. | 03-07-2013 |
| 20130105780 | METHOD FOR PRODUCING ORGANIC EL ELEMENT, DISPLAY DEVICE, LIGHT-EMITTING APPARATUS, AND ULTRAVIOLET IRRADIATION DEVICE | 05-02-2013 |
| 20130119366 | ORGANIC EL ELEMENT, DISPLAY DEVICE, AND LIGHT-EMITTING DEVICE - The present invention aims to provide organic EL elements operating at low voltage to emit light at high intensity. For this aim, each EL element includes an anode, a cathode, a functional layer disposed between the anode and the cathode and including a light-emitting layer composed of organic material, a hole injection layer disposed between the anode and the functional layer, and a bank defining the light-emitting layer. The hole injection layer contains tungsten oxide and exhibits: by UPS measurement, a UPS spectrum having a protrusion appearing near a Fermi surface and within a region corresponding to a binding energy range lower than the top of a valence band; and by XPS measurement, that the tungsten oxide in the hole injection layer satisfies a condition that a ratio in number density of atoms other than tungsten atoms and oxygen atoms to the tungsten atoms is equal to 0.83 or smaller. | 05-16-2013 |
| 20130126840 | ORGANIC EL ELEMENT, ORGANIC EL PANEL, ORGANIC EL LIGHT-EMITTING APPARATUS, ORGANIC EL DISPLAY APPARATUS, AND METHOD OF MANUFACTURING ORGANIC EL ELEMENT - An organic EL element includes a hole injection layer that yields excellent hole conduction efficiency. The organic EL element includes an anode, a cathode, and functional layers that include organic material between the anode the cathode. The functional layers include a hole injection layer that injects holes into the functional layers. The hole injection layer is a metal oxide film that includes a metal oxide. The metal atoms constituting the metal oxide include both metal atoms at a maximum valence thereof and metal atoms at a valence less than the maximum valence, and the metal oxide film includes metal oxide crystals having a particle diameter on the order of nanometers. | 05-23-2013 |
| 20130126843 | ORGANIC EL ELEMENT AND PRODUCTION METHOD FOR SAME - An organic EL element includes a hole injection layer yielding excellent hole conduction efficiency, and comprises: an anode; a cathode; a functional layer disposed between the anode and the cathode, and including a light-emitting layer containing organic material; the hole injection layer disposed between the anode and the functional layer; and a bank defining an area in which the light-emitting layer is to be formed, wherein the hole injection layer includes tungsten oxide, tungsten atoms constituting the tungsten oxide include both tungsten atoms with a valence of six and tungsten atoms with a valence less than six, the hole injection layer includes a crystal of the tungsten oxide, a particle diameter of the crystal being on an order of nanometers, an inner portion of the hole injection layer is depressed to define a recess, and an upper peripheral edge of the recess is covered with a part of the bank. | 05-23-2013 |
| 20130126846 | ORGANIC EL ELEMENT, DISPLAY DEVICE, AND LIGHT-EMITTING DEVICE - An organic EL element comprising: an anode; a cathode; banks; a functional layer between the anode and the cathode, the functional layer including one or more sublayers including a light-emitting sublayer, the light-emitting sublayer defined by the banks and containing an organic material; and a hole injection layer between the anode and the functional layer, wherein the hole injection layer comprises tungsten oxide. An Ultraviolet Photoelectron Spectroscopy (UPS) spectrum, obtained from a UPS measurement, has a protrusion appearing near a Fermi surface and within a region corresponding to a binding energy range lower than a top of a valence band. The tungsten oxide contained in the hole injection layer satisfies a condition, determined from an X-ray Photoelectron Spectroscopy (XPS) measurement, that a ratio in a number density of atoms other than tungsten atoms and oxygen atoms to the tungsten atoms does not exceed approximately 0.83. | 05-23-2013 |
| 20130126848 | ORGANIC ELECTROLUMINESCENCE ELEMENT AND METHOD OF MANUFACTURING THEREOF - An organic light-emitting element comprising: an anode; a cathode; banks; a functional layer between the anode and the cathode; and a hole injection layer between the anode and the functional layer. The functional layer includes at least a light-emitting sublayer defined by the banks and that contains an organic material. The hole injection layer comprises tungsten oxide and includes a crystal of the tungsten oxide, whose particle diameter is on an order of nanometers. Tungsten atoms constituting the tungsten oxide include both tungsten atoms with a valence of six and tungsten atoms with a valence less than six. The hole injection layer has a surface facing the functional layer, and a portion of the surface overlapping with the light-emitting sublayer is located closer to the anode than other portions, thereby forming a recessed structure having a recessed portion whose inner surface is in contact with the functional layer. | 05-23-2013 |
| 20130140542 | ORGANIC ELECTROLUMINESCENCE ELEMENT AND METHOD OF MANUFACTURING THEREOF - An organic EL element comprises: an anode; a cathode; a functional layer including at least a light-emitting layer; a hole injection layer disposed between the anode and the functional layer; and a bank. The hole injection layer contains tungsten oxide. Tungsten atoms constituting the tungsten oxide include both tungsten atoms with a valence of six and tungsten atoms with a valence less than six. The hole injection layer includes a crystal of the tungsten oxide. A particle diameter of the crystal is on an order of nanometers. The hole injection layer has a recessed portion whose inner side surface has an upper edge that is one of (i) aligned with part of a lower edge of the bank, the part being in contact with the light-emitting layer, and (ii) in contact with a bottom surface of the bank. | 06-06-2013 |
| 20130140543 | ORGANIC EL ELEMENT, DISPLAY DEVICE, AND LIGHT-EMITTING DEVICE - An organic EL element comprises: an anode; a cathode; a functional layer that is disposed between the anode and the cathode and includes at least a light-emitting layer; a hole injection layer disposed between the anode and the functional layer; and a bank. The hole injection layer contains tungsten oxide, and has a recessed portion. A UPS spectrum of the hole injection layer, obtained from a UPS measurement, has a protrusion appearing near a Fermi surface and within a region corresponding to a binding energy range lower than a top of a valence band. The tungsten oxide contained in the hole injection layer satisfies a condition, determined from an XPS measurement, that a ratio in a number density of atoms other than tungsten atoms and oxygen atoms to the tungsten atoms does not exceed approximately 0.83. | 06-06-2013 |
| 20130234129 | ORGANIC ELECTROLUMINESCENCE PANEL, METHOD OF MANUFACTURING ORGANIC ELECTROLUMINESCENCE PANEL, ORGANIC LIGHT EMITTING APPARATUS USING ORGANIC ELECTROLUMINESCENCE PANEL, AND ORGANIC DISPLAY APPARATUS USING ORGANIC ELECTROLUMINESCENCE PANEL - An organic EL panel comprises anodes, a cathode, organic light-emitting layers, and first functional layers each including a hole injection layer and a hole transport layer. The hole injection layer of each of the R, G, and B colors is made of only a metal oxide including tungsten oxide, and has a thickness of 5 nm to 40 nm. At least one of the hole injection layers has a thickness different from the other hole injection layers. The hole transport layers of the R, G, and B colors are equivalent in thickness. The organic light-emitting layers of the R, G, and B colors are equivalent in thickness. | 09-12-2013 |
| 20150333284 | ORGANIC LIGHT-EMITTING DEVICE - An organic light-emitting device includes: an organic light-emitting device that includes: a cathode; an anode facing the cathode; a functional layer located between the cathode and the anode, the functional layer including a light-emitting layer; and an electron-injection layer located between the cathode and the functional layer, the electron-injection layer at least partially composed of a metallic compound containing a metal element, wherein the electron-injection layer includes crystal grains in which the metallic compound is crystallized and the metal element has a d10 electron configuration in the outermost shell, and at least one of the crystal grains is in contact with both the cathode and the functional layer. | 11-19-2015 |
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| 20080215272 | Fluorescence Microscope and Fluorescence Microscope Method - To increase spatial resolution by observing a sample based on saturated fluorescence components. A fluorescence microscope according to the present invention includes: a laser light source | 09-04-2008 |
| 20100232459 | Pulse Laser Light Timing Adjusting Device, Adjusting Method, and Optical Microscope - To provide a pulse laser light timing adjusting device capable of easily adjusting pulse laser light timing, a timing adjusting method, and an optical microscope. An optical microscope in accordance with the present invention includes mirror pairs | 09-16-2010 |
| 20100323293 | Optical recording material, optical recording method, photosensitive material, photolithography method, photopolymerization initiator, and photosensitizer - Provided is a nonlinear optical material, an optical recording material, an optical recording method, a photosensitive material, a photopolymerization initiator, and a photosensitizer. One exemplary aspect of the present invention is a photosensitive material used for photolithography for forming a pattern by irradiating a photoresist with excitation light which includes a donor molecule | 12-23-2010 |
| 20120107960 | NONLINEAR LUMINESCENT MOLECULE, FLUORESCENT STAIN, AND OBSERVATION METHOD(AS AMENDED) - The present invention relates to a nonlinear fluorescent molecule that generates a nonlinear fluorescence reaction by incidence of excitation light. This nonlinear fluorescence molecule includes donors and, and an acceptor that is coupled to the donors and. As the donor is excited by the incidence of the excitation light, electric charge moves from the donor to the acceptor. Then, the donor and the acceptor form a charge separated state. In a state in which the charge separated state is maintained, the donor fluoresces when transiting from an excited state to a ground state. | 05-03-2012 |
| 20120307238 | MICROSCOPE AND OBSERVATION METHOD - Provided is a microscope and an observation method which can improve spatial resolution. A microscope according to an aspect of the invention includes a laser light source ( | 12-06-2012 |
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| 20120114373 | IMAGE FORMING APPARATUS CAPABLE OF EFFECTIVELY UTILIZING INTERIOR SPACE - An image forming apparatus comprises a exposure device as a light source, a developer container storing developer and attached to a main body of the image forming apparatus perpendicular to a lengthwise direction of the photoconductor, a developing unit and a photoconductor unit having a photoconductor for bearing a latent image thereon each detachably attached to the main body substantially in the same direction as the developer container. An exposure device displacing mechanism displaces the exposure device between a first position enabling the exposure device to function as the light source and a second position disabling the exposure device to function as the light source. The photoconductor unit is detached when the developer container is either displaced from an initially attached position or is removed from the main body and the exposure device displacing device has displaced the exposure device to the second position. | 05-10-2012 |
| 20120230708 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image bearer, an optical writing unit to writing an electrostatic latent image on the image bearer, the optical writing unit including multiple optical writing elements arranged in a longitudinal direction of the image bearer and a frame to hold the multiple optical writing elements, a development device to develop the electrostatic latent image on the image bearer with developer, a developer container for containing the developer supplied to the development device, and a developer amount detector to detect an amount of developer contained in the developer container based on a light transmission amount between a light-emitting element and a light-receiving element. At least one of the light-emitting element and the light-receiving element of the developer amount detector is attached to the optical writing unit. | 09-13-2012 |
| 20120237268 | POWDER TRANSPORT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A powder transport device includes a first transport tube through which powder falls under gravity; a second transport tube having a transport member that transports the powder in a substantially horizontal direction; and a joint section having a ceiling, opposed side walls, an upstream wall, and a downstream wall. The joint section defines a first drop region, defined by the downstream wall and the side walls, continuous with and positioned directly under the first transport tube, to drop the powder dropped from the first transport tube; and a second drop region, defined by the ceiling, the upstream wall, and the side walls, displaced relative to and continuous with the first drop region, positioned adjacent to the second transport tube, to drop the powder transported from the second transport tube upstream from the first drop region in the direction in which the powder is transported through the second transport tube. | 09-20-2012 |
| 20130011158 | BELT DEVICE AND IMAGE FORMING APPARATUS - A belt device includes: a belt that passes through a plurality of image forming units, each of the image forming units including a transfer member and an image carrier as a pair, the transfer member moves in a direction to contact with the belt and in a direction so as to be separated from the belt; a cleaning unit cleans an outer periphery of the belt after the belt passes through all the image forming units; and a pressing member is disposed between the cleaning unit and the image forming unit located on the most upstream side and that presses the outer periphery of the belt, wherein when the transfer member of at least one of the image forming units moves to be separated from the belt, the transfer member of the rest of the image forming units and the pressing member support the belt. | 01-10-2013 |
| 20130028638 | DEVELOPER CONTAINER, DEVELOPMENT DEVICE, PROCESS UNIT, AND IMAGE FORMING APPARATUS - A developer container includes a container body in which a developer containing chamber and a discharge outlet are formed, a developer conveyance member disposed inside the developer containing chamber and including a first conveyance portion and a second conveyance portion downstream from the first conveyance portion in a developer conveyance director, a canopy disposed inside the container body and facing the discharge outlet, a developer conveyance chamber defined by the canopy and an inner face of the container body in which the discharge outlet is formed, and a return opening formed in the canopy downstream from the discharge outlet. A developer conveyance velocity (Q | 01-31-2013 |
| 20130051854 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a rotatable transfer member rotatably driven while carrying a toner image thereon; a rotary transfer member to form a transfer nip for transferring the toner image to a recording medium; a housing rotatable about a first rotation center together with the rotary transfer member and switching between a closed state and an open state by the rotation about the first rotation center; a guide member to guide the recording medium conveyed through a conveyance path toward upstream in the direction of rotation of the rotatable transfer member than the transfer nip; a support frame to support the rotatable transfer member; a biasing member to bias the guide member; and a receiving part, disposed on the support frame, configured to contact the guide member biased by the biasing member and position the guide member in the closed state of the housing. | 02-28-2013 |
| 20130259532 | DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FORMING APPARATUS - The developer container includes a rotator that is rotated in the container body, a sequence of gears disposed outside the developer container that transmits a torque to the rotator, and a container guiding portion that fits with a main body side guiding portion and guides the developer container in a direction in which the developer container is attached to a mounting portion of an image forming device main body. A first gear included in the sequence of the gears is movable between an operating position where the first gear engages with a second gear and a retracted position where the first gear is retracted. On a surface on which the container guiding portion is disposed, a part of the container guiding portion is disposed within a projected area of the first gear being disposed at the operating position. | 10-03-2013 |
| 20130266347 | DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FORMING APPARATUS - The developer container includes a rotator that is rotated in the container body, a sequence of gears disposed outside the developer container that transmits a torque to the rotator, and a container guiding portion that fits with a main body side guiding portion and guides the developer container in a direction in which the developer container is attached to a mounting portion of an image forming device main body. A first gear included in the sequence of the gears is movable between an operating position where the first gear engages with a second gear and a retracted position where the first gear is retracted. On a surface on which the container guiding portion is disposed, a part of the container guiding portion is disposed within a projected area of the first gear being disposed at the operating position. | 10-10-2013 |
| 20130315625 | MOVING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE MOVING DEVICE - An image forming apparatus includes a housing including an opening to house a plurality of latent image bearing members for bearing latent images and latent image forming devices for forming the latent images, and an openably and closable holder to hold the latent image forming devices. The holder with one end thereof pivotally supported by the housing moves the latent image forming devices from an engaged position at which the latent image forming devices form the latent images to a retracted position at which the latent image forming devices are separated from the latent image bearing members as the holder moves to an open position at which the opening of the housing is opened. As the holder is opened, at least one of the latent image forming devices, which is closest to a fulcrum of the holder, is positioned at an end of the housing pivotally supporting the holder. | 11-28-2013 |
| 20140029962 | IMAGE FORMING APPARATUS AND POWDER TRANSPORT UNIT - An image forming apparatus includes a powder container containing powder used for image forming and including an inlet through which the powder is supplied, a powder supply unit including an outlet that is removably connected to the inlet and supplying the powder to the powder container with the outlet connected to the inlet of the powder container, a powder amount detector detecting whether a present powder level in the powder container is equal to or greater than a threshold, and a controller controlling an amount of powder supply from the powder supply unit and controlling the present powder level in the powder container after replenishment to remain in a range from the threshold and a position corresponding to an upper edge of the inlet. A powder transport unit includes a transport decelerating part to decelerate the speed of powder transport and a detection area in the image forming apparatus. | 01-30-2014 |
| 20140050507 | SHUTTER ASSEMBLY, POWDER CONTAINER, CLEANING DEVICE, AND IMAGE FORMING APPARATUS - A shutter assembly includes an internal shutter and an external shutter. The internal shutter including a contact member is movable between a first position at which the internal shutter closes the outlet, a third position at which the internal shutter opens the outlet, and a second position between the first position and the third position. The internal shutter at the second position is movable to the third position while closing the outlet. The external shutter is movable between a closed position at which the external shutter closes the outlet and an open position at which the external shutter opens the outlet, and includes an interlocking member to contact the contact member to move the internal shutter. As the external shutter is moved from the closed position to the open position, the internal shutter is moved from the first position to the second position in conjunction with the external shutter. | 02-20-2014 |
| 20140079434 | TRANSFER DEVICE AND IMAGE FORMING APPARATUS - An image forming apparatus, includes: a main body; a cover configured to be provided so as to be capable of being opened and closed with respect to the main body; an attachment unit configured to be provided on the cover; a unit configured to be attached to the attachment unit; a positioning member configured to, on closing of the cover, position the unit with respect to a member attached to the main body or the main body; a guiding member configured to guide the unit to the positioning member; and a protrusion configured to be provided at the guiding member to protrude in an attaching direction of the unit. | 03-20-2014 |
| 20140147165 | TONER COLLECTION UNIT AND IMAGE FORMING APPARATUSINCORPORATING SAME - A toner collection unit, which can be included in an image forming apparatus, includes a collected toner container having an opening and storing collected toner, a flexible seal sealing the opening of the collected toner container, having a shape of a recess in an initial condition before toner is collected in the container, and being flexible to change the shape to inflate outwardly due to a pressing force exerted from the toner stored in the container, a moving unit disposed outside the flexible seal and movable both in a positive direction to approach the opening of the container and in an opposite direction to move away from the opening when contacting the flexible seal inflating outwardly, a detector detecting movement of the moving unit, and a regulator regulating the moving unit from coming into the recess of the flexible seal in the initial condition. | 05-29-2014 |
| 20140294449 | DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FORMING APPARATUS - The developer container includes a rotator that is rotated in the container body, a sequence of gears disposed outside the developer container that transmits a torque to the rotator, and a container guiding portion that fits with a main body side guiding portion and guides the developer container in a direction in which the developer container is attached to a mounting portion of an image forming device main body. A first gear included in the sequence of the gears is movable between an operating position where the first gear engages with a second gear and a retracted position where the first gear is retracted. On a surface on which the container guiding portion is disposed, a part of the container guiding portion is disposed within a projected area of the first gear being disposed at the operating position. | 10-02-2014 |
| 20150035928 | OPTICAL WRITING HEAD POSITIONING MECHANISM, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - An optical writing head positioning mechanism includes spacers provided between a latent image carrier for carrying an electrostatic latent image and an optical writing head for exposing the latent image carrier. The spacers each include at least one carrier contact surface that contacts the latent image carrier and at least one head contact surface that contacts the optical writing head to determine an interval between the latent image carrier and the optical writing head. The latent image carrier is in contact with a cleaning member that cleans a cleaning area on a surface of the latent image carrier. In at least one of the spacers, the at least one carrier contact surface includes plural carrier contact surfaces not disposed on edges of the cleaning area, and one of the edges of the cleaning area is located between two adjacent ones of the plural carrier contact surfaces. | 02-05-2015 |
| 20150234348 | IMAGE FORMING APPARATUS AND DRIVING METHOD FOR DRIVING IMAGE FORMING APPARATUS - An image forming apparatus includes a latent image bearer, a charging roller, a first cleaner, a second cleaner, and a rotation controller. The latent image bearer bears a latent image on a surface thereof. The charging roller charges the latent image bearer. The first cleaner cleans the surface of the latent image bearer. The second cleaner cleans a surface of the charging roller. The rotation controller controls the latent image bearer to execute a set of backward rotation and first forward rotation at least once during a non-image formation time period, and either temporarily stop and start second forward rotation or continuously execute the second forward rotation by a rotation distance corresponding to at least one rotation of the charging roller. | 08-20-2015 |
| 20150248099 | IMAGE FORMING APPARATUS - An image forming apparatus is disclosed, including a movable image bearer bearing an image thereon which is transferred to a recording medium when the image comes into contact with the recording medium; and a twining prevention member which is arranged in the vicinity of the image bearer on the side downstream of a portion of the contact between the recording medium and the image bearer in a moving direction of the image bearer to prevent the recording medium from twining around the image bearer, wherein the twining prevention member includes, in the portion of the contact with the recording medium, a high friction resistance portion which regulates movement of the recording medium. | 09-03-2015 |
| 20150346636 | POWDER CONTAINER AND IMAGE FORMING APPARATUS INCORPORATING SAME - A powder container, storing powder used for an image forming apparatus, includes a container body, an opening, and a shutter. The opening discharges or introduces the powder, and the shutter opens and closes the opening. The shutter includes a first engaging portion and a second engaging portion. The first engaging portion engages a shutter switch, provided to an apparatus body of the image forming apparatus, in a first trajectory. The second engaging portion engages the shutter switch in a second trajectory different from the first trajectory. The shutter approaches and contacts the shutter switch in the first trajectory or the second trajectory to open and close the opening. | 12-03-2015 |
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| 20080259490 | MAGNETIC TAPE DRIVING APPARATUS - A magnetic tape driving apparatus of the present invention includes a support member for separating a magnetic tape from a magnetic head on at least one of a tape input side and a tape output side of the magnetic head. The support member separates the magnetic tape from the magnetic head at least when a tape driving portion causes the magnetic tape to start running and/or to stop running. With this configuration, the magnetic tape driving apparatus does not suffer from damage to the magnetic head and the magnetic tape when the magnetic tape makes a transition from the stopped state to the running state and vice versa or changes in the running direction. | 10-23-2008 |
| 20080285171 | SERVO SIGNAL RECORDING APPARATUS, SERVO SIGNAL RECORDING METHOD, AND MAGNETIC TAPE - A servo signal recording apparatus and servo-signal recording method for recording a servo signal on a magnetic tape that includes a magnetic layer having a data area capable of storing data and a servo area capable of storing a servo signal, the apparatus including a transportation unit for transporting the magnetic tape; a DC erasing unit on a downstream side in a magnetic tape transportation direction that performs DC erasure to a surface layer portion of the magnetic layer by magnetization in a longitudinal direction of the magnetic tape; and a servo signal recording unit on a downstream side of the DC erasing unit in the magnetic tape transportation direction, that rubs against the magnetic layer of the magnetic tape, and records a servo signal in the servo area by magnetization in a direction opposite to a direction of the magnetization of the DC erasing unit. | 11-20-2008 |
| 20080297941 | DATA RECORDING APPARATUS AND DATA RECORDING METHOD - A data recording apparatus of the present invention includes a head that records data signals by magnetizing a magnetic tape | 12-04-2008 |
| 20080310044 | Data recording apparatus and data recording system - A data recording apparatus and a data recording system of the present invention includes buffer memories | 12-18-2008 |
| 20090296269 | SERVO SIGNAL RECORDING APPARATUS, INFORMATION RECORDING APPARATUS, AND TRACKING SERVO METHOD - In the apparatus and method of the invention, a servo signal reproduction unit generates a PES from a servo signal reproduced from a magnetic tape, and a frequency conversion unit performs FFT processing of the PES to generate frequency component information. Then, a filter value generation unit generates filter values based on the frequency component information and writes these to a memory. When recording various data signals to the magnetic tape, the filter values are read from the memory and a control filter serving as a notch filter is incorporated into a feedback control for a tracking servo. This enables periodic and narrow-band noise to be removed from a PES, consequently reducing PESs. Accordingly, learning-type optimum notch filter control that allows a magnetic head to follow recording tracks at high speed and with high precision is possible even when the recording track width is reduced and the tape speed is increased. | 12-03-2009 |
| 20110292539 | MAGNETIC TAPE DRIVING APPARATUS, MAGNETIC TAPE DRIVING METHOD - A magnetic tape driving apparatus, which does not cause damage to either a magnetic head or a magnetic tape when making transition of the magnetic tape from a stopped state to a running state, when making transition of the magnetic tape from a running state to a stopped state, or when reversing the transportation direction of the magnetic tape, is provided. In a state where any one of a magnetic head and a magnetic tape moves and the other rests (i.e., a state where static friction may occur), such as at the time of starting transportation of the magnetic tape, at the time of stopping the tape in a running state, and at the time of reversing the transportation direction of the magnetic tape, a head displacing portion vibrates the magnetic head under the control by a displacement control portion, and thus no static friction occurs between the magnetic head and the magnetic tape. Therefore, the risk of causing damage to the magnetic head (such as an MR head unit equipped with an MR element) or the magnetic tape can be reduced. | 12-01-2011 |
| 20120045664 | MAGNETIC RECORDING MEDIUM - A magnetic recording medium of the present invention is a magnetic recording medium including a non-magnetic substrate; a non-magnetic layer that is formed on one of principal surfaces of the non-magnetic substrate and contains a non-magnetic powder, a binder, and a lubricant; and a magnetic layer that is formed on a principal surface of the non-magnetic layer opposite to the non-magnetic substrate and contains a magnetic powder and a binder. The magnetic powder has an average particle size between 10 inn and 35 nm inclusive. The lubricant is migratable to the magnetic layer and forms a lubricant layer on a surface of the magnetic layer when a pressure is applied to the magnetic layer. When spacing of the surface of the magnetic layer before and after washing the lubricant with n-hexane is measured with a TSA (Tape Spacing Analyzer), the value of the spacing after washing is 3 to 10 nm, and the value of the spacing before washing is 1 to 5 nm smaller than the value of the spacing after washing. | 02-23-2012 |
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| 20130051075 | LIGHT GUIDE PLATE, DIE, AND DIE PROCESSING METHOD - A light guide plate having a first surface and a second surface opposite the first surface receives the light in a first direction parallel with the second surface and emits the light towards the first surface in a third direction perpendicular to the first surface, the light guide plate including: a light receiving portion which receives the light; a light guiding path which guides the light in the first direction; and an emitting portion which emits the light by reflecting the guided light towards the first surface in the third direction. The emitting portion is a first V-shaped groove having a V-shaped cross-section extending on the second surface in a second direction crossing the first direction. The first V-shaped groove is provided in plurality in the first direction and formed to be deepest in the center in the second direction and become shallower as distance increases from the center. | 02-28-2013 |
| 20130170250 | LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE - A light guide plate includes an incident surface on which light outputted from point light sources is incident and an outgoing surface for outputting light incident from the incident surface. A reflection-and-propagation surface for reflecting light toward the outgoing surface is formed in a back surface opposite to the outgoing surface. The outgoing surface is made up of a propagation region adjacent to the incident surface, a propagation auxiliary region adjacent to the propagation region, a first diffusion-and-propagation region adjacent to the propagation auxiliary region, and a second diffusion-and-propagation region adjacent to the first diffusion-and-propagation region. The propagation region, the propagation auxiliary region, and the first diffusion-and-propagation region control hot spots and bright/dark lines in vicinities of the incident surface, while the second diffusion-and-propagation region controls viewing-angle characteristics of the light guide plate. | 07-04-2013 |
| 20130343082 | LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE - A light guide plate includes an incident surface on which light outputted from point light sources is incident and an outgoing surface for outputting light incident from the incident surface, wherein a reflection-and-propagation surface for reflecting light toward the outgoing surface is formed in a back surface opposite to the outgoing surface. The outgoing surface is made up of a propagation region adjacent to the incident surface, a diffusion-and-propagation auxiliary region adjacent to the propagation region, and a diffusion-and-propagation region adjacent to the diffusion-and-propagation auxiliary region. Hot spots and bright/dark lines in vicinities of the incident surface are controlled primarily by curved portions of prism upper ends formed in the diffusion-and-propagation region, and viewing-angle characteristics of the light guide plate are controlled primarily by linear portions of the prisms. | 12-26-2013 |
| 20150085530 | LIGHT GUIDE - Provided a light guide ( | 03-26-2015 |
| 20150293296 | LIGHT SOURCE DEVICE - A light source device including a light guide plate and a light source, in which the light guide plate includes an incident surface on which light emitted from the light source is incident, an emission surface emitting light incident from the incident surface, and a propagating reflection surface which is a surface opposite to the emission surface and which propagates and reflects the light incident from the incident surface toward the emission surface, the propagating reflection surface has approximately V-shaped grooves and the V-shaped grooves have two kinds of grooves. | 10-15-2015 |
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| 20100104212 | CONTOUR CORRECTING DEVICE, CONTOUR CORRECTING METHOD AND VIDEO DISPLAY DEVICE - A contour correcting device of the present invention includes a plurality of delay elements which delay an input video signal, a pixel-selection-control-signal generation circuit, a pixel selection circuit which selects outputs of the plurality of delay elements in response to outputs of the pixel-selection-control-signal generation circuit, a high-pass filter operation circuit which weights and adds or subtracts pixel data selected by the pixel selection circuit, and an adder circuit which adds an operation result of the high-pass filter operation circuit to the input video signal. When the pixel selection circuit extracts a contour component in a boundary portion between a horizontal video effective period and a period other than the horizontal video effective period of the input video signal, the pixel selection circuit replaces pixel data in the period other than the horizontal video effective period among pixel data input to the high-pass filter operation circuit, with pixel data at an edge-point of the horizontal video effective period. | 04-29-2010 |
| 20110134328 | VIDEO PROCESSING APPARATUS AND VIDEO PROCESSING METHOD - A video processing apparatus includes: a skin color region detection device that detects a skin color region in one frame from hue/saturation/brightness signals; a skin color area calculation device that calculates the skin color area of one frame based on the skin color region detection result; a gamma correction control device that generates a gamma correction control signal for a luminance signal based on the skin color area calculation result; a gamma correction device that performs gamma correction according to the gamma correction control signal for the luminance signal; a color space transform device that transforms the gamma-corrected luminance signal and color-difference signals to the hue/saturation/brightness signals; a skin color correction device that corrects only the skin color based on the transformed signals; a color space inverse transform device that inverse-transforms the corrected hue/saturation/brightness signals to color signals; and a video display device that displays the color signals as video. | 06-09-2011 |
| 20110234622 | COLOR CORRECTION DEVICE AND COLOR CORRECTION METHOD - Complicated adjustment, such as adjusting hue and saturation by varying value for each hue in which hue correction and saturation correction are performed on only an input having a specific value of a specific color component, is performed. In a color space including hue Hi, saturation Si, and value Vi, calculating a hue correction value HVh and a saturation correction value HVs by using the hue Hi and the value Vi as parameters allows the hue correction and the saturation correction to be performed based on the value and completely independently for hue axes of the hue. The correction value calculating circuit scale has no influence on the complexity of the correction. It is possible to calculate the correction values by a certain circuit scale no matter how complicated the correction is. | 09-29-2011 |
| 20120287145 | COLOR CORRECTOR, VIDEO DISPLAY DEVICE, AND COLOR CORRECTION METHOD - Color correction according to the present disclosure performs correction by adding a predetermined correction value to an input value of a component to be corrected, which is one of a plurality of components for representing a color with a predetermined color space, and outputs a corrected value. The color correction includes calculating an unadjusted correction value based on the input value; and adjusting the unadjusted correction value calculated in the calculating the unadjusted correction value so that the corrected value does not decrease with an increase in the input value, and outputting the adjusted value as the predetermined correction value. | 11-15-2012 |
| Patent application number | Description | Published |
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| 20100221633 | FUEL CELL STACK AND FUEL CELL SYSTEM - A fuel cell stack formed by stacking two or more fuel cell layers each constituted of one or more unit cell and a fuel cell system including the same are provided. Any two fuel cell layers adjacent to each other each have one or more gap region. At least a part of the gap region in one fuel cell layer of any two fuel cell layers adjacent to each other is in contact with a unit cell constituting the other fuel cell layer. The gap region in one fuel cell layer and the gap region in the other fuel cell layer communicate with each other. The fuel cell stack is excellent in fuel or oxidizing agent supply performance and it realizes high power density. | 09-02-2010 |
| 20110065016 | FUEL CELL AND FUEL CELL LAYER - There is provided a fuel cell including a membrane electrode assembly having a cathode electrode, an electrolyte membrane, and an anode electrode in this order, and an anode collector layer. The anode collector layer includes a pair of first walls provided along two opposite sides. The membrane electrode assembly is fitted between the first walls such that the anode electrode faces the anode collector layer. A fuel cell layer employing the fuel cells is also provided. Preferably, the fuel cell further includes a pair of second walls formed on the pair of first walls. | 03-17-2011 |
| 20110091778 | FUEL CELL AND FUEL CELL STACK - The present invention relates to a small fuel cell and a small fuel cell stack each allowing for improved output. Conventionally, in a direct methanol fuel cell, carbon dioxide gas produced at an anode electrode side is exhausted together with a methanol aqueous solution. From the methanol aqueous solution, the carbon dioxide gas is separated, and then the methanol aqueous solution is reused as fuel. In this case, a liquid-gas separation device needs to be provided additionally, which results in a large fuel cell with an increased weight, disadvantageously. The present invention is made to solve such a problem by providing a fuel cell including a first unit cell having a cathode electrode, an electrolyte membrane, an anode electrode, and an anode collector layer in this order; and one or more spacers arranged on the anode collector layer. The anode collector layer has a fuel flow path for supplying fuel to the anode electrode, and a through hole for exhausting a reaction product generated by reaction in the anode electrode. Each of the spacers has an exhaust flow path for exhausting the reaction product to outside the fuel cell. The through hole and the exhaust flow path communicate with each other. | 04-21-2011 |
| 20120034541 | FUEL CELL STACK AND ELECTRONIC DEVICE PROVIDED WITH THE SAME - Provided is a fuel cell stack having reduced thickness and weight and an improved output density. The fuel cell stack according to the present invention includes two or more stacked fuel cell layers, and is characterized in that at least one of the fuel cell layers is formed by arranging two or more composite unit cells in an identical plane with a gap provided therebetween, that the composite unit cell includes a plurality of unit cells and a fuel supply portion for supplying fuel to anode electrodes of the unit cells, and that the anode electrodes of the plurality of unit cells are arranged to face the fuel supply portion. | 02-09-2012 |
| 20120063133 | LIGHT REFLECTION SHEET, LIGHT SOURCE DEVICE, AND DISPLAY DEVICE - A through hole penetrating in a vertical direction and a slot which is separated from the through hole in the direction along the sheet surface and is long in a separating direction are provided on a light reflection sheet supported on a support body supporting a light source for reflecting light emitted from the light source, and there are provided a first shaft member fitted in the through hole for setting a position of the light reflection sheet with respect to the support body, and a second shaft member fitted in the slot to enable a relative movement in a longitudinal direction of the slot for setting the position of the light reflection sheet with respect to the support body. | 03-15-2012 |
| 20120087122 | LIGHT SOURCE DEVICE AND DIPLAY DEVICE - There are provided a light source device and a display device which do not generate a wrinkle on an optical sheet even if the optical sheet is held on an LED substrate. A reflection sheet is disposed between each of head portions possessed by a rivet, a positioning rivet and a support rivet and one surface of an LED substrate where an LED is mounted, and a gap in a direction of a sheet thickness is provided between the head portion of each of the rivets and the reflection sheet. In the case in which a sudden thermal change is caused, therefore, the reflection sheet expands or contracts between the head portion of each of the rivets and the reflection sheet so that the wrinkle can be prevented from being generated over the reflection sheet. | 04-12-2012 |
| 20120087126 | LIGHT SOURCE DEVICE AND DISPLAY DEVICE - There are provided a plurality of circuit boards having a light-emitting element mounted on a one surface and disposed apart from each other with a planar direction aligned, a support body positioned on the other surface side of the circuit boards for supporting the circuit boards, and a connector for electrically connecting the adjacent circuit boards to each other. Inserting holes for inserting a fixture for fixing the circuit boards to the support body are formed on the circuit boards apart from each other, and a dimension of the inserting hole is smaller than that of the other inserting hole. | 04-12-2012 |
| 20120105763 | LIGHT SOURCE DEVICE, ILLUMINATING DEVICE, BACKLIGHT DEVICE, LIQUID CRYSTAL DISPLAY DEVICE AND DISPLAY DEVICE - Concave marks indicative of an orientation of a circuit board are formed on the circuit board, convex indices to be engaged with the marks are formed in a position in which the circuit is to be attached. An operator confirms the orientation of the circuit board easily and accurately by visually recognizing the marks and touching the marks with a finger. Moreover, the operator positions the circuit board by engaging the marks with the indices. | 05-03-2012 |
| 20130279173 | REFLECTION SHEET LIGHT SOURCE DEVICE AND DISPLAY DEVICE - It is to provide a reflection sheet, light source device and display device, not only for uniforming the luminance of light emitted from a light source, but also for utilizing a single sheet material to form the reflection sheet having a frame portion that continues to all rims of a flat portion. The reflection sheet is provided with a flat portion that is formed in a substantially square shape, and a frame portion that is folded at a first fold formed on a rim of the flat portion. It is formed in a case shape. It is provided with three second folds divergent from a corner of the flat portion to a rim of a corner on the frame portion, between each corner of the flat portion and the rim of the corner on the frame portion. No gap and step are generated on the corner. | 10-24-2013 |
| 20140042456 | NITRIDE SEMICONDUCTOR LIGHT EMITTING CHIP, AND NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE - A nitride semiconductor light emitting chip includes: a conductive substrate including a nitride semiconductor layer; an n-type nitride semiconductor layer, an active layer, and a p-type nitride semiconductor layer sequentially formed on a principal surface of the nitride semiconductor layer; and an n-side electrode formed in contact with the conductive substrate. A recess is formed in a back surface of the conductive substrate opposite to the principal surface. The n-side electrode is in contact with at least part of a surface of the recess. A depth D1 is not less than 25% of a thickness T, where T represents a thickness of the conductive substrate, and D1 represents a depth of the recess. | 02-13-2014 |
| 20140098520 | LIGHT SOURCE DEVICE AND DISPLAY DEVICE - A light source device includes a circuit board having a light-emitting element mounted on a one surface; a support body positioned on the other surface side of the circuit board for supporting the circuit board; a rivet having a head portion, which is positioned on a side of the one surface of the circuit board and cannot be inserted into a first through hole provided on the circuit board and the support body, and a shaft portion having a tip side stopped and held on the support body in a penetration via the first through hole; and a reflection sheet arranged on the one surface of the circuit board for reflecting light. The light source device provides a second through hole having a diameter larger or smaller than the diameter of the head portion at the position corresponding to the head portion on the reflection sheet. | 04-10-2014 |
| 20140217423 | SEMICONDUCTOR LIGHT-EMITTING DEVICE, METHOD FOR FORMING RECESSES OF THE SAME, AND LIGHT SOURCE APPARATUS USING THE SAME - A semiconductor light-emitting device made of a nitride-based semiconductor includes a semiconductor stacked structure having a nonpolar plane or a semipolar plane as a principal plane, and including an active layer for emitting polarized light. The semiconductor light-emitting device includes a striped structure which is provided in a position intersecting an exit path of the polarized light and includes a plurality of recesses. An angle formed between the extension direction of the recesses and the polarization direction of the polarized light is from 0° to 45°. The recesses have a minute uneven structure (texture) at at least part of a surface of each recess, the minute uneven structure being shallower than the depth of each recess. | 08-07-2014 |
| 20140313733 | LIGHT SOURCE DEVICE AND DISPLAY DEVICE - There are provided a light source device and a display device which do not generate a wrinkle on an optical sheet even if the optical sheet is held on an LED substrate. A reflection sheet is disposed between each of head portions possessed by a rivet, a positioning rivet and a support rivet and one surface of an LED substrate where an LED is mounted, and a gap in a direction of a sheet thickness is provided between the head portion of each of the rivets and the reflection sheet. In the case in which a sudden thermal change is caused, therefore, the reflection sheet expands or contracts between the head portion of each of the rivets and the reflection sheet so that the wrinkle can be prevented from being generated over the reflection sheet. | 10-23-2014 |
| 20140353699 | NITRIDE SEMICONDUCTOR LIGHT-EMITTING DIODE - Provided is a nitride semiconductor light-emitting diode having a higher light extraction efficiency and a higher polarization degree. A nitride semiconductor light-emitting diode according to the present invention comprises an active layer generating a polarized light, a first side surface, a second side surface, a third side surface, and a fourth side surface. The first and second side surfaces consist only of a plane including the Z-axis and the Y-axis. The third and fourth side surfaces are perpendicular to the first and second side surfaces and include the X-axis. The third and fourth side surfaces include an inclined surface. | 12-04-2014 |
| 20140370685 | METHOD FOR FORMING A GROOVE ON A SURFACE OF FLAT PLATE FORMED OF A NITRIDE SEMICONDUCTOR CRYSTAL - Provided is a novel method for forming a groove composed of two smooth inclined surfaces on a surface of a flat plate formed of a nitride semiconductor crystal having an A, C, M-axes. In the present invention, a disk-shaped dicing blade is moved along a direction of the A-axis to form first and second inclined surfaces on the surface of the flat plate. The following mathematical formulae (I)-(III) are satisfied: 45 degrees≦θb−a≦60 degrees (I) 45 degrees≦θb+a≦60 degrees (II), 0 degrees≦|a|≦7.5 degrees, where angle θb represents an angle formed between a surface of the edge and a radial direction of the dicing blade in a cross-sectional view which includes the M-axis and the C-axis. The angle a represents an angle formed between the principal surface and the M-axis. | 12-18-2014 |
| Patent application number | Description | Published |
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| 20110248252 | ORGANIC EL ELEMENT AND METHOD FOR FABRICATING THE SAME - An organic EL display element ( | 10-13-2011 |
| 20120074398 | ORGANIC EL ILLUMINANT, ORGANIC EL ILLUMINATING DEVICE, AND METHOD FOR FABRICATING ORGANIC EL ILLUMINANT - An organic EL illuminant ( | 03-29-2012 |
| 20120097939 | ORGANIC EL DEVICE, METHOD FOR FABRICATING ORGANIC EL DEVICE, AND ORGANIC EL ILLUMINATION SYSTEM - An organic EL device | 04-26-2012 |
| 20120112618 | ORGANIC ELECTROLUMINESCENCE ILLUMINATING DEVICE AND METHOD FOR MANUFACTURING THE SAME - An organic electroluminescence illuminating device (L) has a structure in which an organic electroluminescence element ( | 05-10-2012 |
| 20120132900 | ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE, ORGANIC ELECTROLUMINESCENT ILLUMINATING DEVICE, AND METHOD FOR MANUFACTURING ORGANIC ELECTROLUMINESCENT ELEMENT - An organic electroluminescent element comprising: an anode ( | 05-31-2012 |
| 20120138976 | ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE, AND ORGANIC ELECTROLUMINESCENT ILLUMINATING DEVICE - An organic electroluminescent element according to the present invention includes: an anode ( | 06-07-2012 |
| 20120181915 | ORGANIC EL ILLUMINATION DEVICE AND METHOD FOR MANUFACTURING THE SAME - In an organic EL illumination device ( | 07-19-2012 |
| 20120199837 | ORGANIC ELECTROLUMINESCENT ELEMENT AND ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE - In an organic EL element ( | 08-09-2012 |
| 20120242937 | ELECTRO-OPTIC DEVICE AND METHOD FOR MANUFACTURING SAME - An electro-optic device ( | 09-27-2012 |
| 20120267619 | ORGANIC ELECTROLUMINESCENT ELEMENT, METHOD FOR MANUFACTURING SAME, AND ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE - An organic EL element ( | 10-25-2012 |
| 20120299470 | ILLUMINATION DEVICE HAVING MULTIPLE LIGHT EMITTING PANELS - An illumination device ( | 11-29-2012 |
| 20120306359 | ORGANIC ELECTROLUMINESCENT COMPONENT AND DISPLAY DEVICE - An organic EL component ( | 12-06-2012 |
| 20120313512 | INTEGRATED ILLUMINATION APPARATUS AND METHOD OF MANUFACTURING SAME - A plurality of illumination panels ( | 12-13-2012 |
| 20120326180 | LIGHT-EMITTING ELEMENT, DISPLAY AND DISPLAY DEVICE - A light-emitting element of the present invention includes (i) a light-emitting layer ( | 12-27-2012 |
| 20130016296 | ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC ELECTROLUMINESCENCE DISPLAY, AND ORGANIC ELECTROLUMINESCENCE DISPLAY APPARATUSAANM Fujita; YoshimasaAACI OsakaAACO JPAAGP Fujita; Yoshimasa Osaka JPAANM Ogata; HidenoriAACI OsakaAACO JPAAGP Ogata; Hidenori Osaka JPAANM Okamoto; KenAACI OsakaAACO JPAAGP Okamoto; Ken Osaka JPAANM Kobayashi; YuhkiAACI OsakaAACO JPAAGP Kobayashi; Yuhki Osaka JPAANM Yamada; MakotoAACI OsakaAACO JPAAGP Yamada; Makoto Osaka JPAANM Kondoh; KatsumiAACI OsakaAACO JPAAGP Kondoh; Katsumi Osaka JP - The present invention includes: a reflective electrode ( | 01-17-2013 |
| 20130021549 | FLUORESCENT SUBSTRATE AND METHOD FOR PRODUCING THE SAME, AND DISPLAY DEVICE - A fluorescent substrate ( | 01-24-2013 |
| 20140231785 | ORGANIC ELECTROLUMINESCENCE ILLUMINATING DEVICE AND METHOD FOR MANUFACTURING THE SAME - An organic electroluminescence illuminating device (L) has a structure in which an organic electroluminescence element ( | 08-21-2014 |
| 20140312339 | ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE, ELECTRONIC APPARATUS INCLUDING THE SAME, AND METHOD FOR PRODUCING ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE - An organic EL display device includes an organic EL section including an organic layer held between a first electrode and a second electrode, one of the two electrodes serving as a reflective electrode, and the other serving as a translucent electrode; a blue pixel portion including a blue color filter configured to mainly transmit a light component in a blue wavelength region of light emitted from the organic EL section; a green pixel portion including a green color filter configured to mainly transmit a light component in a green wavelength region of the light emitted from the organic EL section; and a red pixel portion including a wavelength conversion layer configured to absorb at least one of the light component in the blue wavelength region and the light component in the green wavelength region of the light emitted from the organic EL section and emit light in a red wavelength region. | 10-23-2014 |
| 20150077966 | LIGHT-SCATTERING BODY, LIGHT-SCATTERING BODY FILM, LIGHT-SCATTERING BODY SUBSTRATE, LIGHT-SCATTERING BODY DEVICE, LIGHT-EMITTING DEVICE, DISPLAY DEVICE, AND ILLUMINATION DEVICE - A light-scattering body includes at least light-transmitting resin, and first particles and second particles which are dispersed in the light-transmitting resin. An average grain size Da of the first particles is greater than an average grain size Db of the second particles. A refractive index na of the first particles is less than a refractive index nb of the second particles. The average grain size Db of the second particles is within a range of 150 nm≦Db≦300 nm. | 03-19-2015 |
