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| 20090258310 | PRODUCING METHOD OF SPHERICAL PARTICLE, SPHERICAL PARTICLE, TONER, DEVELOPER, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - There are provided an economical method capable of obtaining very small resin particles, in particular, resin particles; resin particles produced by the method; a toner and developer containing the resin particles; a developing device; and an image forming apparatus. Spherical particles are produced according to a producing method of spherical particles including a pulverizing step. In the pulverizing step, a dispersion liquid of coarse particles of material to be processed, which includes a polymer dispersant and coarse particles of material to be processed dispersed in a liquid medium is passed through a high-pressure homogenizer having a stepwise pressure release mechanism and thereby coarse particles of material to be processed contained in the dispersion liquid are milled under conditions where the melt viscosity of the dispersion liquid at a time point of passing the nozzle portion of the high-pressure homogenizer may be 5000 cP or less. | 10-15-2009 |
| 20100279221 | RESIN-COATED CARRIER METHOD OF MANUFACTURING THE SAME, TWO-COMPONENT DEVELOPER INCLUDING RESIN-COATED CARRIER, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A resin-coated carrier is provided. A resin-coated carrier includes a carrier core and a resin coating layer formed on a surface of the carrier core. The carrier core is composed of a porous material having surface fine pores formed on a surface thereof, and has an apparent density of 1.6 to 2.0 g/cm | 11-04-2010 |
| 20110236072 | ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME - The present invention provides an electron emitting element, comprising: a first electrode; an insulating fine particle layer formed on the first electrode; and comprising first insulating fine particles and second insulating fine particles larger than the first insulating fine particles, a surface of the insulating fine particle layer having a projection formed from the second insulating fine particles, and a second electrode formed on the insulating fine particle layer, wherein when a voltage is applied between the first electrode and the second electrode, electrons provided from the first electrode are accelerated in the insulating fine particle layer to be emitted from the second electrode via the projection. | 09-29-2011 |
| 20110241532 | ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME - The present invention provides an electron emitting element, comprising: a first electrode; an insulating fine particle layer formed on the first electrode and composed of insulating fine particles; and a second electrode formed on the insulating fine particle layer, wherein the insulating fine particles are monodisperse fine particles, and when voltage is applied between the first electrode and the second electrode, electrons are discharged from the first electrode into the insulating fine particle layer and accelerated through the insulating fine particle layer to be emitted from the second electrode. | 10-06-2011 |
| 20120074874 | ELECTRON EMITTING ELEMENT, DEVICES UTILIZING SAID ELEMENT, AND METHOD FOR PRODUCING SAID ELEMENT - The present invention provides an electron emitting element, comprising: a first electrode; an insulating fine particle layer formed on the first electrode and composed of insulating fine particles; and a second electrode formed on the insulating fine particle layer, wherein the insulating fine particle layer is provided with recesses formed in a surface thereof, the surface facing the second electrode, the recesses each having a depth smaller than a thickness of the insulating fine particle layer, and when a voltage is applied between the first electrode and the second electrode, electrons provided from the first electrode are accelerated in the insulating fine particle layer to be emitted though the second electrode. | 03-29-2012 |
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| 20080311501 | TONER PARTICLES, METHOD OF MANUFACTURING THE SAME, TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS - In a raw material mixing step, toner raw materials containing polymerizable monomers, colorant, and a release agent are mixed. In an emulsifying step, the mixture is emulsified under pressure to obtain a polymerizable composition. In a cooling step, the polymerizable composition is cooled down. In a depressurizing step, the polymerizable composition cooled down is depressurized. The polymerizable composition thus obtained has the colorant and the release agent evenly and finely dispersed therein. In a polymerizing step, the polymerizable composition is subjected to polymerization reaction. Toner particles are thus obtained which have uniform final sizes and exhibit a sharp particle size distribution. | 12-18-2008 |
| 20080311503 | Toner, method of manufacturing the same, two-component developer, developing device, and image forming apparatus - A toner composed of small particles excellent in a cleaning property, a transferring property, and charge uniformity is provided as well as a method of manufacturing the toner, and two-component developer, developing device, and image forming apparatus using the toner. The toner contains binder resin and colorant, and includes a particle which has an outline having one or more and three or less bending points in its projection image on a plane. The toner thus contains a non-spherical particle and therefore is caught easily by a cleaning blade as well as coming into point-contact with a to-be-transferred member, therefore being capable of having both of cleaning property and transferring property. | 12-18-2008 |
| 20090020899 | Method of manufacturing resin particles - Method of manufacturing resin particles capable of manufacturing resin particles of controlled particle size stably and efficiently by removing bubbles from the surface of a molten kneaded product as the raw material for resin particles thereby sufficiently ensuring action sites for a surfactant on the surface of the molten kneaded product, is provided. The method includes a coarsely-pulverizing step of pressurizing a mixture of a molten kneaded product containing a synthetic resin and an aqueous medium containing a surfactant to 15 MPa to 120 MPa thereby removing bubbles attached to the molten kneaded product containing the synthetic resin, and a finely-granulating step of finely granulating, by a high pressure homogenizer method, an aqueous slurry containing coarse particles of a molten kneaded product passing through a pressure proof nozzle in the coarsely-pulverizing step and in a state where bubbles attached to the surface are removed. | 01-22-2009 |
| 20090232557 | TONER, METHOD OF MANUFACTURING TONER, DEVELOPER, TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS - The toner includes a plurality of toner particles containing a binder resin and a colorant. In toner particles, according to measurement by a flow particle image analyzer, the content of small size particles having a circle-equivalent diameter of 0.5 to 2.0 μm is 5% by number or less based on the entire toner particles, the content of medium size particles having a circle-equivalent diameter of more than 2.0 μm and 4.0 μm or less is 20% by number or more and 30% by number or less based on the entire toner particles, and the content of large size particles having a circle-equivalent diameter of more than 4.0 μm and 6.0 μm or less is 50% by number or more and 70% by number or less based on the entire toner particles, and the shape factor of the toner particles SF | 09-17-2009 |
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| 20080204638 | LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - There is provided a liquid crystal device including a pair of substrates in which a reflective display area and a transmissive display area are provided and sandwiching a liquid crystal layer, and a liquid crystal layer thickness adjusting layer that reduces the thickness of the liquid crystal layer in the reflective display area than the thickness of the liquid crystal layer in the transmissive display area, and performing display by transitioning the alignment state of the liquid crystal layer from a splay alignment to a bend alignment. The liquid crystal layer thickness adjusting layer is equipped with a slope inclining from the reflective display area side to the transmissive display side. A signal line, a switching element electrically connected to the signal line, and a pixel electrode electrically connected to the switching element are provided on one of the substrate among the pair of the substrates. A slit is formed in the pixel electrode at an area overlapping with the slope in plan view. A part of the signal line is projected along at least a part of the shape of the slit. | 08-28-2008 |
| 20080212006 | LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - A liquid crystal device includes a first substrate; a second substrate facing the first substrate; and a liquid crystal layer sandwiched between the first substrate and the second substrate. A display operation is performed by changing an alignment state of the liquid crystal layer from a splay alignment to a bend alignment. The first substrate includes a plurality of scanning lines, a plurality of data lines intersecting the plurality of scanning lines, a plurality of pixel electrodes, and a plurality of transition electrodes generating a potential difference with respect to the pixel electrodes, the plurality of transition electrodes being formed closer to the liquid crystal layer than the scanning lines or the data lines and closer to the first substrate than the pixel electrodes. | 09-04-2008 |
| 20090040444 | LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - An optically compensated birefringence mode liquid crystal device includes each pixel electrode that overlaps a part of an adjacent gate line and/or a part of an adjacent source line in a plan view. | 02-12-2009 |
| 20090135359 | LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - There is provided a liquid crystal device that has a liquid crystal layer pinched by a first substrate and a second substrate disposed to face each other and performs a display operation by transiting the aligning state of the liquid crystal layer from spray alignment to bend alignment. The first substrate includes a scanning line and a data line that intersect with each other, a plurality of pixel electrodes, an insulating film that is disposed to the liquid crystal layer side relative to the scanning line and the data line, a transition electrode that is electrically connected to the scanning line or the data line through a contact hole formed on the insulating film, and a dielectric film that is disposed between the transition electrode and the pixel electrode. In addition, the transition electrode generates an electric potential difference between the pixel electrode and the transition electrode with the dielectric film interposed therebetween. | 05-28-2009 |
| 20110228206 | LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - A liquid crystal device includes a first substrate; a secondary substrate facing the first substrate; and a liquid crystal layer sandwiched between the first substrate and the second substrate. A display operation is performed by changing an alignment state of the liquid crystal layer from a splay alignment to a bend alignment. The first substrate includes a plurality of scanning lines, a plurality of data lines intersecting the plurality of scanning lines, a plurality of pixel electrodes, and a plurality of transition electrodes generating a potential difference with respect to the pixel electrodes, and a plurality of transition electrodes being formed closer to the liquid crystal layer than the scanning lines or the data lines and closer to the first substrate than the pixel electrodes. | 09-22-2011 |
| 20110242459 | LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - A liquid crystal device includes a first substrate, a second substrate disposed to face the first substrate, a plurality of pixel electrodes arranged between the first substrate and the second substrate at intervals with each other, and a liquid crystal layer. The liquid crystal layer is interposed between the first substrate and the second substrate, and configured to include a vertical alignment liquid crystal. When the interval between the pixel electrodes adjacent to each other is s [μm], the thickness of the liquid crystal layer is d [μm] and the pretilt angle of the vertical alignment liquid crystal is θ[°], a relation equation −1.6×s/d+4.4≦θ≦−2.6×s/d+5.6 is satisfied. | 10-06-2011 |
| 20110242472 | ELECTROOPTIC DEVICE AND ELECTRONIC APPARATUS - An electrooptic device includes a first substrate, a second substrate which is arranged so as to be opposed to the first substrate, a plurality of pixel electrodes which are provided between the first substrate and the second substrate, a dielectric multilayer film which is formed so as to cover the plurality of pixel electrodes and in which a plurality of dielectric layers are laminated, and a sealing member which is arranged around a pixel region on which the plurality of pixel electrodes are provided and bonds the first substrate and the second substrate to each other. In the electrooptic device, at least one dielectric layer of the plurality of dielectric layers is formed so as not to overlap with a sealing region on the first substrate, on which the sealing member is arranged. | 10-06-2011 |
