Adeka Corporation

Origin Electric Company, Limited

Ntt Facilities, Inc.

Dic Corporation

Yusuke Kubota

Toru Yano

Mitsuhiro Okada

Masahiro Shinkai

Satoshi Yanagisawa

Yohei Aoyama

Atsushi Monden

Junji Tanabe

Akira Matsumoto

Masatomi Irisawa

Ken Matsumoto

Yasuo Masuda

Akiyoshi Fukui

Tomonari Koizumi

A DC power supply system and a control method, which can continue charging of a storage battery with a constant current even if an assist current is needed due to, for example, overload during charging of the storage battery and can suppress a current output from the storage battery as much as possible. In a power supply system, when a charger operates at a potential of an output voltage smaller than the potential of the output voltage of a rectifier during charging of the storage battery, the output current of the charger is controlled so that a charging current Ie supplied from the charger to the storage battery is kept at a predetermined value, and when a load requires a current larger than the current supplied by the rectifier during charging of the storage battery, the potential of the output voltage of the rectifier is reduced smaller than the potential of the output voltage of the charger by a current drooping operation, and the diode is electrically connected, the output current of the charger is controlled so that the charger outputs the assistant current Ic supplied toward the load while the charging current Ie is kept at a predetermined value.

DC power supply system and control method

Provided are a polymerizable liquid crystal composition, a coating material, a medium, and a polarizing device each produced using a polymerizable liquid crystal compound and a colorant and each capable of producing polarized light suitable for polarizing devices, and also a novel naphtholactam derivative, a novel coumarin derivative, a novel Nile Red derivative, and a novel anthracene derivative each suitable for use as the colorant. Specifically provided are a polymerizable liquid crystal composition containing (A) at least one liquid crystal compound having a polymerizable functional group, (B) at least one colorant, and (C) a polymerization initiator, and a novel naphtholactam derivative of formula (IV'), a novel coumarin derivative of formula (VI&#x2032;), a novel Nile Red derivative of formula (VII&#x2032;), and a novel anthracene derivative of formula (VIII&#x2032;) each suitable for use as the colorant (B).

Polymerizable liquid crystal composition, polarized light-emitting coating material, novel naphtholactam derivative novel coumarin derivative, novel nile red derivative, and novel anthracene derivative

A photoelectric conversion device that includes a work electrode, an opposed electrode, and an electrolyte-containing layer. In the work electrode, a metal oxide semiconductor layer supporting a dye is provided. The dye contains a cyanine compound that has a methine chain, an indolenine skeleton bonded with both ends of the methine chain, and anchor groups introduced to a nitrogen atom included in the indolenine skeleton. Electron injection efficiency to the metal oxide semiconductor layer is improved, and the dye is hardly exfoliated from the metal oxide semiconductor layer.

Dye for photoelectric conversion device and photoelectric conversion device

A photoelectric conversion device capable of improving conversion efficiency is provided. The photoelectric conversion device includes a work electrode, an opposed electrode, and an electrolyte-containing layer. In the work electrode, a metal oxide semiconductor layer supporting a dye is provided. The dye contains a cyanine compound that has a methine chain, an indolenine skeleton bonded with both ends of the methine chain, and anchor groups introduced to a nitrogen atom included in the indolenine skeleton. Electron injection efficiency to the metal oxide semiconductor layer is improved, and the dye is hardly exfoliated from the metal oxide semiconductor layer.

An optical recording medium having a substrate and an optical recording layer on the substrate. The optical recording layer is formed of an optical recording material containing at least one heterocyclic compound represented by general formula (I):wherein Zrepresents oxygen, sulfur, &#x2014;CRR&#x2014;, etc. (Rand Rare each a substituent, e.g., an alkyl group or an aralkyl group, or are taken together to form a ring); Rand Reach represent hydrogen, etc.; Rand Reach represent an alkyl group having 1 to 8 carbon atoms or are taken together to form a heterocyclic ring having no multiple bond; Yrepresents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a metallocene substituent, etc.; Anrepresents a q-valent anion; q represents 1 or 2; p represents a number necessary to neutralize an electric charge; and n represents a number of 1 to 4.

Optical recording medium

The heterocyclic compound of the present invention is represented by general formula (I) and is suitable to forming an optical recording layer in an optical recording medium to which short-wavelength light is applied for recording and playing-back. (In the formula, ring A represents a benzene or naphthalene ring optionally substituted with an alkyl, haloalkyl, alkoxy, haloalkoxy or amido group having 1 to 8 carbon atoms, a halogen atom, a cyano group, a nitro group, a sulfonyl or sulfinyl group containing a hydrocarbon group having 1 to 12 carbon atoms, or an alkylamino or dialkylamino group wherein each alkyl has 1 to 8 carbon atoms; X represents CRR, NY, O, S, or Se atom, wherein Rand Reach represent a hydrocarbon group having 1 to 12 carbon atoms, which may be united to form a 3- to 6-membered ring, and Y represents a hydrogen atom or an organic group having 1 to 30 carbon atoms; Rand Reach represent independently a hydrogen atom, a halogen atom, a cyano group, an alkyl group having 1 to 4 carbon atoms, or an aralkyl group having 7 to 18 carbon atoms; Rand Reach represent independently a hydrocarbon group having 1 to 4 carbon atoms or are united to form a heterocycle free from multiple bonds; Yrepresents a hydrogen atom, an organic group having 1 to 30 carbon atoms, or a group represented by general formula (II); Anrepresents a q-valent anion; q represents 1 or 2; and p represents a coefficient for satisfying the electric charge neutrality.)

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Tokyo, Japan

Yusuke Kubota