The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 17, 2019
Filed:
Jul. 05, 2012
Yasushi Ito, Tochigi, JP;
Yoshifumi Ueno, Tochigi, JP;
Hirofumi Tani, Tochigi, JP;
Tomomitsu Hori, Tochigi, JP;
Yasushi Ito, Tochigi, JP;
Yoshifumi Ueno, Tochigi, JP;
Hirofumi Tani, Tochigi, JP;
Tomomitsu Hori, Tochigi, JP;
DEXERIALS CORPORATION, Tokyo, JP;
Abstract
Provided is an illumination device that can be made thin and increases the efficiency of extracting light to the outside. The present invention is provided with: light-emitting structures wherein a blue light-emitting element is embedded in a transparent resin having a convex surface shape; a substrate wherein the light-emitting structures are disposed two-dimensionally; a diffuser plate that diffuses the blue light of the blue light-emitting elements; and a fluorescent sheet that is disposed spaced from the substrate and that contains a particulate fluorescent body that obtains a white light from the blue light of the blue light-emitting elements.