Abstract: A light emission apparatus includes: a wiring board; a plurality of LED chips that are disposed on an LED chip mounting surface of the wiring board and are grouped into a plurality of LED groups; a wavelength conversion member that is disposed at a position corresponding to the LED chip mounting surface of the wiring board, converts a wavelength of light emitted by the corresponding LED chips, and emits first-order light with a different color temperature for each wavelength conversion region; a current supply section that supplies a driving current to the LED chips independently for each LED group through the wiring board; and a control section that controls the current amount supplied for each LED group in response to a control signal. The control section independently controls timing of starting to light the LED groups in accordance with the light control level.

Abstract: A method of forming an image on a substrate with an electrophotographic photoreceptor and a toner, a photosensitive layer of the electrophotographic photoreceptor contains a resin having a structural unit represented by the following formula (A) the toner containing toner matrix particles formed in an aqueous medium; the toner has a volume median diameter (Dv50) of from 4.0 ?m to 7.0 ?m; and the relationship between the volume median diameter (Dv50) and the percentage in number (Dns) of toner particles having a particle diameter of from 2.00 ?m to 3.56 ?m satisfies following formula (1) Dns?0.233EXP(17.3/Dv50)??(1).

Abstract: The invention is to provide a polycarbonate resin composition and a molded polycarbonate resin article which combine excellent transparency and strength and which are suitable for use in the field of building materials, electrical/electronic field, automotive field, field of optical parts, etc. The invention relates to a polycarbonate resin composition containing a polycarbonate resin and an impact strength modifier, the polycarbonate resin containing structural units which are derived from a dihydroxy compound that has the portion represented by the following general formula (1) as part of the structure thereof and having a glass transition temperature lower than 145° C. and a molded polycarbonate resin article obtained by molding the composition. The polycarbonate resin composition gives a molded object having a thickness of 3 mm which has a total light transmittance of 60% or higher.

Abstract: A novel polycarbonate diol is useful as a raw material for producing a polycarbonate diol-based polyurethane with a high degree of hardness, superior abrasion resistance, and superior hydrophilicity. The polyurethane is useful in paints, coating agents, synthetic leathers, artificial leathers, and highly-functional elastomers, or the like. The polycarbonate diol is also useful for producing an active-energy radiation curable polymer composition giving a cured film having superior contamination resistance and high degree of hardness. The curable polymer composition contains a urethane(meth)acrylate oligomer obtained from the polycarbonate diol. The polycarbonate diol is obtained, for example, by reacting two specific types of diols with diester carbonate in the presence of a transesterification catalyst. The catalyst has a metal of Group 1 or 2 on the periodic table. A metal content of the transesterification catalyst is 100 weight ppm or less.

Abstract: The present invention provides a semiconductor light-emitting device that emits light with a specific low correlated color temperature and with a high Ra, and a semiconductor light-emitting system provided with the semiconductor light-emitting device. This object is attained by the semiconductor light-emitting device having the below-described configuration. A semiconductor light-emitting device includes a LED chip as a semiconductor light-emitting element, and a phosphor emitting light using the LED chip as an excitation source, and emits light with a correlated color temperature equal to or higher than 1600 K and lower than 2400 K. The phosphor includes at least a green phosphor and a red phosphor. In the spectrum of light emitted from the semiconductor light-emitting device, the value of the peak intensity of the light emitted by the LED chip is less than 60% of the maximum peak intensity of the light emitted by the phosphor.

Abstract: Provided is a nonaqueous electrolyte secondary battery having improved durability properties in terms of cycling, storage and the like. The nonaqueous electrolyte secondary battery comprises a nonaqueous electrolyte solution that contains a lithium salt and a nonaqueous solvent that dissolves the lithium salt, a negative electrode capable of absorbing and releasing lithium ions, and a positive electrode. The negative electrode contains a negative electrode active material made up of graphite particles having a rhombohedral rate ranging from 0% to 35%, and the nonaqueous electrolyte solution contains a compound represented by formula (1). As a result, a nonaqueous electrolyte secondary battery that achieves the above object is provided.

Abstract: Provided are a nonaqueous electrolyte battery having improved durability properties such as cycle and storage properties, and improved load characteristic, and a nonaqueous electrolyte solution that is appropriate for the nonaqueous electrolyte battery. The nonaqueous electrolyte solution contains a lithium salt and a nonaqueous solvent that dissolves the lithium salt. The nonaqueous electrolyte solution also contains a compound represented by formula (1) and a specific compound that acts in conjunction with the aforementioned compound.

Abstract: An object of the present invention is to provide a package from which a metal wiring and the like are difficult to be detached even when heat is generated from a semiconductor light-emitting element. This object is achieved with a package for a semiconductor light-emitting device comprising at least a molded resin containing (A) a SiH-containing polyorganosiloxane and (B) a filler, wherein an amount of SiH existing in the molded resin, after a heat treatment thereof at 200° C. for 10 minutes, is 20 to 65 ?mol/g.

Abstract: A method of forming an image on a substrate with an electrophotographic photoreceptor and a toner, wherein the electrophotographic photoreceptor has an electroconductive substrate; the electroconductive substrate has a surface roughness Ra of from 0.01 ?m to 0.3 ?m; the toner contains toner matrix particles formed in an aqueous medium, has a volume median diameter (Dv50) of from 4.0 ?m to 7.0 ?m; and the relationship between the volume median diameter (Dv50) and the percentage in number (Dns) of toner particles having a particle diameter of from 2.00 ?m to 3.56 ?m satisfies: Dns?0.233EXP(17.3/Dv50) (1) where Dv50 is the volume median diameter (?m) of the toner, and Dns is the percentage in number of toner particles having a particle diameter of from 2.00 ?m to 3.56 ?m.

Abstract: To provide a semiconductor device member that is superior in heat resistance, light resistance, film-formation capability and adhesion, and is capable of sealing a semiconductor device and holding a phosphor without causing cracks, peelings and colorings even after used for a long period of time, the weight loss at the time of heating, measured by a predetermined weight-loss at-the-time-of-heating measurement method, is 50 weight % or lower and the ratio of peeling, measured by a predetermined adhesion evaluation method, is 30% or lower, in the semiconductor device member.