A vehicle lamp includes a light guide plate including a plurality of light-exiting portions and a low-luminance portion, which is located between adjacent light-exiting portions and outputs light having luminance lower than luminance of light exiting from ...

The vehicle light-emitting device includes a light-emitting element having a peak emission wavelength of 400 nm or greater and 510 nm or less, and a fluorescent member including a first phosphor excited by light emitted by the light-emitting element and em...

A lighting apparatus includes light emitting elements having an emission peak wavelength of 400 to 510 nm, a first phosphor having an emission peak wavelength of 485 to 700 nm, a second phosphor having an emission peak wavelength of 510 to 590 nm, a third ...

A light emitting device includes a substrate, a plurality of first wiring members, a plurality of second wiring members and a plurality of light emitting elements. The first wiring members extend in a first direction. The second wiring members extend in a ...

The present invention provides a positive-electrode active material for non-aqueous secondary battery comprising a sodium transition metal composite oxide represented by Formula: Na x Fe 1-y M y O 2 , wherein 0.4 ¤ x ¤ 0.7, 0.25 ¤ y < 1.0, and M is at l...

A positive electrode composition for nonaqueous electrolyte secondary battery comprising: a lithium transition metal complex oxide represented by a general formula LiNiCOMy WMw O(1.0≤a≤1.5, 0≤x≤0.5, 0≤y≤0.5, 0.002≤z≤0.03, 0≤w≤0.02, 0≤...

A positive electrode composition that has improved output power characteristics and low costs, and is also easily handled upon production of a positive electrode, and exhibits an improved yield is provided. [0002] A positive electrode composition comprisin...

A positive electrode active material for non-aqueous electrolyte secondary battery, comprising particles of a lithium transition metal complex oxide represented by the general formula: Li a Ni 1-x-y-z Co x Mn y M' z M" w O 2 wherein 1.00 ¤ a ¤ 1.25, 0 ¤...

Disclosed is a positive electrode active material for a nonaqueous electrolyte secondary battery having at least a lithium-transition metal composite oxide of a layer structure, in which an existence ratio of at least one selected from the group consisting...

Disclosed is a positive electrode active material for a nonaqueous electrolyte secondary battery having at least a lithium-transition metal composite oxide of the spinel structure, wherein the lithium-transition metal composite oxide exists in a form of pa...