Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Matsushita Electric Industrial Co., Ltd.

Yamazaki Mazak Corporation

Yamazaki Mazak Kabushiki Kaisha

Yamazaki Mazik Corp.

Hiroshi Kojima

Youichirou Uka

Makoto Mizuki

Katsuya Miyahara

Hitoshi Fukui

Yukio Mitsukuchi

Tetsuro Omori

Keikichi Sakata

Seigo Watanabe

Kazuyoshi Nishi

Tomokazu Kojima

Ai Makino

Shoji Momoi

Kazuki Uemura

Shuichi Hashimoto

Ryoichi Furuhashi

Toshihiko Inoue

Katsushi Oshima

Mikiro Teshigawara

Shintaro Tanimoto

Choji Kato

Munehiko Ogawa

Yasuhiro Hirokane

Yosuke Izawa

Mika Nakamura

Masaaki Nishihara

Hisao Kunitani

Tetsuro Ohmori

Tetsuro Oomori

Yoshiyuki Otani

Tooru Suyama

Noriko Kaku

Takashi Koizumi

Tomoya Ishikawa

Hiroshi Kondo

An electrolytic capacitor includes an anode body, a dielectric layer disposed on a surface of the anode body, and a solid electrolyte layer disposed on a surface of the dielectric layer. The solid electrolyte layer includes a conductive polymer and a first compound. The first compound has a naphthalene skeleton, and includes at least one COOM1 group and at least one sulfonate group. The at least one sulfonate group is bonded to the naphthalene skeleton. The at least one COOM1 group is bonded to the naphthalene skeleton, where M1 is a hydrogen atom, a metal atom, or an onium group.

Electrolytic capacitor and method for manufacturing same

A method for manufacturing an electrolytic capacitor includes: preparing an anode body that includes a dielectric layer, and forming a solid electrolyte layer on the dielectric layer. The forming of the solid electrolyte layer includes: forming a first conductive polymer layer on the dielectric layer, applying a first treatment liquid to the first conductive polymer layer, and forming a second conductive polymer layer after the applying of the first treatment liquid. The first conductive polymer layer includes a first conductive polymer. The first treatment liquid contains a first compound and a solvent. The first compound has a skeleton of naphthalene or anthraquinone, and includes at least one SO-containing group bonded to the skeleton. The at least one SO-containing group is at least one selected from a group consisting of a sulfonic acid group and a sulfonate group.

An electrolytic capacitor includes an anode body, a dielectric layer disposed on the anode body, and a solid electrolyte layer disposed on the dielectric layer. The solid electrolyte layer includes a self-doped conductive polymer and an organic alkali.

Electrolytic capacitor and method for producing same

An electrolytic capacitor includes an anode body, a dielectric layer disposed on the anode body, and a solid electrolyte layer disposed on the dielectric layer. The solid electrolyte layer includes a conductive polymer, a polyanion, and an alkali component. The alkali component includes two or more kinds of alkali compound.

An electrolytic capacitor includes an anode body, a dielectric layer formed on the anode body, and a conductive polymer layer covering at least a part of the dielectric layer. The conductive polymer layer includes a conductive polymer and a polymer dopant. The polymer dopant includes a copolymer that includes a first monomer unit and a second monomer unit. The first monomer unit has a sulfonate group. Time second monomer unit has a functional group represented by a formula (i); &#x2014;CO&#x2014;R&#x2014;COOH (where Rrepresents an aliphatic hydrocarbon group having 1 to 8 carbon atoms, an aromatic group, or a divalent group &#x2014;OR&#x2014;, Rrepresenting an aliphatic hydrocarbon group having 1 to 8 carbon atoms or an aromatic group).

Electrolytic capacitor including conductive polymer with copolymer dopant and conductive polymer dispersion

An electrolytic capacitor includes an anode body, a first conductive polymer layer, and a second conductive polymer layer. The anode body includes a dielectric layer. The first conductive polymer layer covers at least a part of the dielectric layer. The second conductive polymer layer covers at least a part of the first conductive polymer layer. The first conductive polymer layer includes a first conductive polymer. The second conductive polymer layer includes a second conductive polymer. At least one of the first conductive polymer layer and the second conductive polymer layer further includes a hydroxy compound. The hydroxy compound has two or more alcoholic hydroxy groups or two or more phenolic hydroxy groups, and has a melting point ranging from 40&#xb0; C. to 150&#xb0; C., inclusive.

Electrolytic capacitor including hydroxy compound and manufacturing method therefor

An electrolytic capacitor includes an anode body, a dielectric layer formed on the anode body, and a conductive polymer layer covering at least a part of the dielectric layer. The conductive polymer layer includes a conductive polymer and a polymer dopant. The polymer dopant includes a first copolymer including: (A) a first unit derived from a first monomer having a sulfonate group; (B) a second unit derived from a second monomer having a carboxy group; and (C) a third unit derived from a third monomer having a hydroxy group.

Electrolytic capacitor and conductive polymer dispersion

A conductive polymer layer of a electrolytic capacitor includes a conductive polymer and a polymer dopant. The polymer dopant includes; (A) a first unit originating from a first monomer having a polymerizable group and a sulfonate group; and (B) a second unit originating from a second monomer having a polymerizable group and a phosphorus-containing group. The phosphorus-containing group is represented by at least one of general formula (1); &#x2014;P(&#x2550;O)(OR)(OR), general formula (2); &#x2014;PH(&#x2550;O)(OR), and general formula (3); &#x2014;PH(&#x2550;O). In the general formulae (1) to (3), each of R, Rand Ris independently a hydrogen atom, a hydrophilic group, a Cto Calkyl group, or a cationic group.

Electrolytic capacitor

An electrolytic capacitor includes: an anode body; a dielectric layer formed on the anode body; a first conductive polymer layer covering at least a part of the dielectric layer; a second conductive polymer layer covering at least a part of the first conductive polymer layer; and an intermediate layer formed between the first conductive polymer layer and second conductive polymer layer. The intermediate layer includes a cation agent containing a cationic group, and an anion agent containing a first anionic group and a second anionic group. The first anionic group is higher in electron-withdrawing property than the second anionic group. In the intermediate layer, a total of a number of the first anionic group and a number of the second anionic group is larger than a number of the cationic group.

Electrolytic capacitor, and production method therefor

An electrolytic capacitor includes an anode body having a dielectric layer, a first conductive polymer layer covering at least a part of the dielectric layer, and a second conductive polymer layer covering at least a part of the first conductive polymer layer. The first conductive polymer layer includes a first conductive polymer and a first polymer dopant having a sulfonate group. The second conductive polymer layer includes a second conductive polymer and a second polymer dopant having a sulfonate group. A polymerization degree of the first conductive polymer is lower than a polymerization degree of the second conductive polymer.

Electrolytic capacitor and production method for same

An electrolytic capacitor includes an anode body, a dielectric layer formed on the anode body, a first conductive polymer layer covering at least a part of the dielectric layer, and a second conductive polymer layer covering at least a part of the first conductive polymer layer. The first conductive polymer layer includes a first conductive polymer. The second conductive polymer layer includes a second conductive polymer. The first conductive polymer layer and the second conductive polymer layer each further include a first polymer dopant having a sulfonation degree of S. At least one of the first conductive polymer layer and the second conductive polymer layer further includes a second polymer dopant having a sulfonation degree of S. The sulfonation degree of Sand the sulfonation degree of Ssatisfy a relation of S&#x3c;S.

N drivers convert n digital values into n voltages. N amplifiers amplify the n voltages, thereby generate n drive voltages. An amplifier voltage supply supplies an amplifier voltage for driving the n amplifiers. An amplifier voltage controller detects a maximum digital value among a plurality of digital values, and sets the amplifier voltage to a voltage value dependent on the maximum digital value.

Drive voltage generator

A display apparatus driving circuit capable of reducing the amount of heat generated at a driving unit while suppressing degradation in image quality is provided. A display apparatus driving circuit according to the present invention includes: a source driver for driving a display unit; a heat detecting circuit for detecting amount of heat generated at the source driver, and outputting a heat detection signal when the detected amount of generated heat is equal to or larger than a predetermined reference value; and a heat reduction circuit for changing, when the heat detection signal is received, a driving method of the display unit to reduce the amount of heat generated at said source driver.

Method and apparatus for reducing heat generated at source driver of display apparatus

A display driving device is provided which drives a display panel having source lines provided for columns of pixels and which includes: first switches swprovided for the source lines; second switches swprovided for the source lines; AMP unitswhich are provided for the source lines and drive a pixel signal to the source lines via the second switches; an external power sourceapplying an intermediate voltage of the pixel signal to an intermediate voltage line, the intermediate voltage having a level between a minimum voltage level and a maximum voltage level of the pixel signal; and a control circuitcontrolling turning on and off the first switches and the second switches, wherein the control unit temporarily turns off at least part of the second switches, and concurrently, temporarily turns on corresponding ones of the first switches during a transition period of the pixel signal.

Display driving device and display apparatus

A current driving device comprises: a voltage supply part; a current supply part; and a plurality of current output parts, each comprising a current-voltage converting function, a voltage-current converting function, and a voltage holding capacitance element. The current output part takes three operation modes. Under a voltage supply mode, the current output part receives a voltage from the voltage supply part and holds the voltage in the voltage holding capacitance element. Under a current supply mode, the current output part receives the current from the current supply part, generates a second voltage by the current-voltage converting function and holds the voltage in the voltage holding capacitance element. Under a current output part, the current output part outputs an output current according to the voltage held in the voltage holding capacitance element by the voltage-current converting function. By charging the current output part with the reference voltage before the calibration performed by using the reference current, calibration of the current output part is performed at a high speed.

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Aichi, Japan

Hiroshi Kojima