PHOSPHOR FILM AND LIGHT SOURCE APPARATUS

• Main Authors: KUNII Yasuhiko, NOMURA Ryo
• Format: Patent
• Language: English; French; Japanese
• Published: 04.10.2018
• Subjects: ADHESIVES; ARTIFICIAL STONE; BASIC ELECTRIC ELEMENTS; BLASTING; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; DEVICES USING STIMULATED EMISSION; DYES; ELECTRICITY; 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; LIGHTING; LIME, MAGNESIA; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; MECHANICAL ENGINEERING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PAINTS; PHYSICS; POLISHES; REFRACTORIES; SLAG; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; TREATMENT OF NATURAL STONE; WEAPONS

Provided are: a phosphor film in which the heat dissipation performance and the light utilization efficiency of the phosphor film are taken into consideration; and a light source apparatus employing the same. The phosphor film is constituted of a sintered body phase of phosphor and alumina and an air phase; the air phase content is 5 to 20% by volume in terms of the proportion of the volume of the entire film of the phosphor film; the sintered body phase content is 80 to 95% by volume in terms of the proportion of the volume of the entire film of the phosphor film; and, in the sintered body phase, the phosphor content is 40 to 85% by volume in terms of the proportion of the volume of the entire film of the phosphor film, and the alumina content is 10 to 45% by volume in terms of the proportion of the volume of the entire film of the phosphor film. La présente invention concerne : un film de luminophore dans lequel les performances de dissipation de chaleur et l'efficacité d'utilisation de lumière du film de luminophore sont prises en compte ; et un appareil de source de lumière utilisant celui-ci. Le film de phosphore est constitué d'une phase de corps fritté de luminophore et d'alumine et d'une phase d'air ; la teneur en phase d'air est de 5 à 20 % en volume en termes de proportion du volume de film entier du film de luminophore ; la teneur en phase de corps fritté est de 80 à 95 % en volume en termes de proportion du volume du film entier du film de luminophore ; et, dans la phase de corps fritté, la teneur en luminophore est de 40 à 85 % en volume en termes de la proportion du volume du film entier du film de luminophore, et la teneur en alumine est de 10 à 45 % en volume en termes de la proportion du volume du film entier du film de luminophore. 蛍光体膜の放熱性能及び光利用効率に配慮した蛍光体膜及びそれを用いた光源装置を提供する。蛍光体膜は蛍光体及びアルミナの焼結体相、及び空気相とからなり、空気相の含有量は、蛍光体膜の膜全体における体積比で５ｖｏｌ％以上２０％以下であり、焼結体相の含有量は、蛍光体膜の膜全体における体積比で８０ｖｏｌ％以上９５％以下であり、焼結体相において、蛍光体の含有量は蛍光体膜の膜全体における体積比で４０ｖｏｌ％以上８５ｖｏｌ％以下であり、アルミナの含有量は、蛍光体膜の膜全体における体積比で１０ｖｏｌ％以上４５ｖｏｌ％以下である。