PHOSPHOR, LIGHT EMITTING DEVICE, LIGHT SOURCE FOR SENSING SYSTEM, AND ILLUMINATION SYSTEM FOR SENSING SYSTEM

• Main Authors: SHIGITANI, Ryosuke, OSHIO, Shozo, NITTA, Mitsuru
• Format: Patent
• Language: English
• Published: 22.08.2024
• Subjects: ADHESIVES; BLASTING; CHEMISTRY; COMPOUNDS THEREOF; DYES; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED; INORGANIC CHEMISTRY; LIGHTING; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; MECHANICAL ENGINEERING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-METALLIC ELEMENTS; PAINTS; POLISHES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; WEAPONS

Provided is a phosphor represented by general formula (1) below,(Gd1-x-y,Lny,MIIx)3MIII2(Ga1-z,MIVz)3O12:Cr3+  (1)where, in the formula, Ln is one or more elements selected from La, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Yb, and Lu, MII is a divalent element, MIII is a trivalent element, MIV is a tetravalent element, and x, y, and z satisfy 0<x<0.5, 0≤y<0.5, and 0<z<0.5.