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:
Nov. 29, 2016
Filed:
Nov. 12, 2014
Nichia Corporation, Anan-shi, Tokushima, JP;
NICHIA CORPORATION, Anan-Shi, JP;
Abstract
A method of manufacturing an image display device which is configured to produce high luminance while maintaining color reproductivity and a method of efficiently selecting a combination of a light emitting device and a color filter. A method of manufacturing an image display device includes preparing a light emitting device which has a light source, a green fluorescent material and a red fluorescent material activated with tetravalent manganese ions, and configured to emit light which includes a visible light region, providing a color filter candidate which include red, green, and blue pixels in which the ratio of an integral value of the wavelength range of 560 to 640 nm with respect to the ratio of an integral value of the wavelength range of 460 to 640 nm in a spectral transmittance curve of the green pixel is 23% or greater, providing a color filter configured to satisfy a NTSC ratio of 65% or greater when the color filter candidate and the light emitting device are combined, and constructing an image display device with the use of the color filter, the light emitting device, and a controlling member for optical transmission.