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:
Apr. 30, 2019
Filed:
Mar. 28, 2017
Fujifilm Corporation, Tokyo, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
Provided is a backlight unit, including: a light source allowing light having a light emission center wavelength of λ nm to exit; and a wavelength conversion member positioned on an optical path of the light exiting from the light source, in which the wavelength conversion member includes a wavelength conversion layer containing a fluorescent material which is excited by exciting light and emits fluorescent light, and a light scattering layer containing particles having a particle size of greater than or equal to 0.1 μm in a matrix, an average refractive index n1 of the wavelength conversion layer satisfies a relationship of n1<n2 with respect to an average refractive index n2 of the matrix of the light scattering layer, and a light absorptivity of the light scattering layer at a wavelength of λ nm is less than or equal to 8.0%.