Seiko Epson Corporation

Tomoyuki Okuyama

Takeo Kawase

Hitoshi Yamamoto

Masahiro Yatake

Mutsumi Kimura

Katsuyuki Morii

Tomofumi Yokoyama

Hiroko Hayashi

Takashi Aoki

Satoshi Kimura

Soichi Moriya

Tsutomu Teraoka

Hirofumi Hokari

Mitsuaki Harada

Tetsuro Matsumoto

Takehisa Saeki

Masanao Sato

A method for determining a recording timing includes:

Method for determining recording timing and recording device

A composite body includes a positive electrode active material composed of a lithium composite metal oxide containing Li and at least one type of transition metal, and an electrolyte, wherein the positive electrode active material is present on one surface of the composite body, the one type of transition metal is Co, and the molar ratio of Co (cobalt) in the positive electrode active material (lithium cobalt oxide) present on the one surface is equal to or more than the molar ratio of O (oxygen).

Composite body having lithium composite metal oxide with cobalt on surface, lithium battery, and electronic apparatus

A manufacturing method of an electrode assembly capable of easily manufacturing a configuration in which an electrolyte and an active material are bonded to each other is provided. A step of supplying, solidifying, and crystallizing a solid electrolyteincluding LiCBO(X represents a real number equal to or greater than 0 and smaller than 1), so as to be in contact with an active material aggregateincluding a communication holebetween active material particles, is included. In a case where the solid electrolyteis melted, the solid electrolyteis heated in a range of 650 degrees to 900 degrees.

Manufacturing method of electrode assembly

Disclosed herein is an ink composition, including: a pigment; acetylenediol having an HLB of less than 4; and an anionic surfactant, in which the mass ratio of the acetylene diol to the anionic surfactant is 0.30 to 4.0.

Ink composition, ink set, and black ink set

An ink jet recording apparatus according to the invention includes an ink, and a discharge head that discharges the ink, in which the discharge head includes a plurality of pressure chambers respectively communicating with a plurality of nozzle holes formed in a nozzle plate, a vibration plate changing the capacity of each of the plurality of pressure chambers, and an ink supply chamber for supplying the ink to the plurality of pressure chambers, the capacity of the pressure chamber is 10.0&#xd7;10&#x3bc;mor less, the density in which the plurality of nozzle holes are arranged in the nozzle plate is 200 dpi or more, the ink includes a pigment, water, an organic solvent, and a resin component, a ratio (organic solvent/water) of a mass of the organic solvent to a mass of the water in the ink is 0.2 to 0.5, and a solid content of the resin component in the ink is 1.5 mass % or more.

Ink jet recording apparatus

An ink composition for ink jet recording includes a penetrant for ink jet recording that includes a compound represented by the following formula (1) and 1% by mass or less of alcohol represented by the following formula (2).CH&#x2014;O&#x2014;(CH&#x2014;CH&#x2014;O)&#x2014;H&#x2003;&#x2003;(1)

Ink composition for ink jet recording, penetrant for ink jet recording, and recording apparatus

An ink jet recording apparatus according to the invention includes an ink, and a discharge head that discharges the ink, in which the discharge head includes a plurality of pressure chambers respectively communicating with a plurality of nozzle holes formed in a nozzle plate, a vibration plate changing the capacity of each of the plurality of pressure chambers, and an ink supply chamber for supplying the ink to the plurality of pressure chambers, the capacity of the pressure chamber is 10.0&#xd7;10&#x3bc;mor less, the density in which the plurality of nozzle holes are arranged in the nozzle plate is 200 dpi or more, the ink includes a dye, water, and an organic solvent, a ratio (organic solvent/water) of a mass of the organic solvent to a mass of the water in the ink is 0.3 to 0.7.

An ink jet recording method includes discharging a first ink composition onto a recording medium using a recording head, in which the first ink composition includes a coloring material, an alkane diol with 4 or more to 8 or fewer carbon atoms, a water-soluble solvent, and water; the recording head discharges the first ink composition using a piezoelectric element, and has a resolution per unit length of 200 dpi or more, and the recording medium has an absorbing layer on the surface thereof, in which a nonpolar component of a surface free energy of the absorbing layer is 20 mN/m or lower.

Ink jet recording method and recorded matter

An ink jet recording apparatus performs recording by discharging an ink composition onto a recording medium. The apparatus includes an ink jet head including a pressure-generating chamber containing an ink composition and applying a discharge pressure to the ink composition, a discharge port from which the ink composition is discharged, and a communicating path for communicating between the pressure-generating chamber and the discharge port. The ink composition is discharged from the discharge port at a discharge rate of 5 m/sec or more and 15 m/sec or less. The communicating path has a length of 40 &#x3bc;m or more and 600 &#x3bc;m or less. The ink composition contains a self-dispersible pigment and an organic solvent having a Hansen solubility parameter of 14 (cal/cm)or more and 16 (cal/cm)or less.

Ink jet recording apparatus and ink jet recording method

An electro-optical device includes pixels that is driven in response to an ON voltage or an OFF voltage supplied to the signal lines at a time when each of scanning lines is selected, a scanning line driving circuit that sequentially selects the scanning lines in each of a plurality of subfields within a field, a signal line driving circuit that outputs the ON voltage to the signal lines in at least one temperature compensation subfield and outputs either the ON voltage or the OFF voltage to each of the signal lines in accordance with a designated gray scale of each of the pixels in each of a plurality of gray scale control subfields, which is different from the temperature compensation subfield, and a control unit that sets a time length of the temperature compensation subfield to be changed in accordance with the temperature detected by a temperature detecting unit.

Electro-optical device, electronic apparatus, and method of driving electro-optical device with variable subfield driving for temperature compensation

An electro-optical device includes a pixel that has an electro-optical element with a light transmittance that changes to a predetermined value in response to an applied voltage, which changes in response to the temperature. A light source irradiates light to the pixel. A driving unit includes a predetermined number of sub-fields having the same length in one frame. The driving unit provides either an on-voltage indicating light-on or an off-voltage indicating light-off to the pixel in each of the predetermined number of the sub-fields in response to the grayscale to be displayed. A temperature measuring unit measures the temperature and outputs a temperature signal. A time controlling unit controls the length of one sub-field on the basis of the temperature signal. A light intensity controlling unit controls the intensity of the light incident on the pixel on the basis of the temperature signal.

Electro-optical device, method of driving the same, and electronic apparatus

A light emitting device includes: a plurality of first electrodes; a plurality of second electrodes; and a plurality of light emitting films. Each of the plurality of light emitting films is disposed between one first electrode among the plurality of first electrodes and one second electrode among the plurality of second electrodes. The one first electrode is electrically connected to the second electrode that is adjacent to the one second electrode among the plurality of second electrodes.

Light emitting device, method of manufacturing the same, and electronic apparatus

A method of forming a contact hole includes forming a first conductive layer patterned so as to serve as an electrode or a wiring on a substrate, forming an insulation layer on the substrate and the first conductive layer, inserting a cutting instrument into the insulation layer at an angle to a surface of the insulation layer, the angle being in the range from 5&#xb0; to 80&#xb0;, and forming a tapered opening extending to the electrode or the wiring in the insulation layer by drawing out the cutting instrument.

Method of forming contact hole, method of manufacturing wiring board, method of manufacturing semiconductor device, and method of manufacturing electro-optical device

A light emitting element, including an anode, a cathode, a hole transport layer disposed between the anode and the cathode and in the side of the anode, and a light emitting layer disposed between the anode and the cathode and in the side of the cathode, wherein the hole transport layer includes, a first region disposed in the side of the anode and composed of a first organic polymer, and a second region disposed in the side of the light emitting layer and composed of a second organic polymer having a weight-average molecular weight different from the weight-average molecular weight of the first organic polymer.

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Chino, Japan

Tomoyuki Okuyama