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:
Jul. 01, 2014
Filed:
Jun. 14, 2012
Satoshi Naganawa, Saitama, JP;
Takashi Morioka, Saitama, JP;
Naoki Taya, Saitama, JP;
Takeshi Kondo, Saitama, JP;
Kazue Saito, Ibaraki, JP;
Yuko Iwamoto, Saitama, JP;
Shinichi Hoshi, Saitama, JP;
Yumiko Matsubayashi, Saitama, JP;
Satoshi Naganawa, Saitama, JP;
Takashi Morioka, Saitama, JP;
Naoki Taya, Saitama, JP;
Takeshi Kondo, Saitama, JP;
Kazue Saito, Ibaraki, JP;
Yuko Iwamoto, Saitama, JP;
Shinichi Hoshi, Saitama, JP;
Yumiko Matsubayashi, Saitama, JP;
Lintec Corporation, Tokyo, JP;
Abstract
A luminescent composition can efficiently provide an inorganic electroluminescent sheet with a high productivity at low costs. The composition has a desired light transmittance (transparency) when no electric voltage is applied to it. The composition includes an inorganic electroluminescent substance and a binder resin. A content of the inorganic electroluminescent substance is at least 0.5 part and less than 100 parts by mass on the basis of 100 parts by mass of the binder resin. The inorganic electroluminescent sheet includes a first transparent substrate; a first transparent electrode; the inorganic electroluminescent layer of the luminescent composition; a first transparent electrode; and a second transparent substrate, successively laminated in this order. The inorganic electroluminescent sheet has a light transmittance of 60% or more, measured at a wavelength of 550 nm under a non-light emitting condition.