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:
Feb. 25, 2020
Filed:
Nov. 03, 2016
Japan Display Inc., Minato-ku, JP;
Youichi Asakawa, Tokyo, JP;
Japan Display Inc., Minato-ku, JP;
Abstract
According to one embodiment, a display device includes a light source unit and a color filter unit. The light source unit includes a laser light source unit including a red laser light source, a green laser light source and a blue laser light source. The color filter unit includes a red filter film, a green filter film and a blue filter film. The difference between the center emission wavelength of the green laser beam and that of the blue laser beam falls within the range of 65 to 95 nm. In the green filter film, the difference between a wavelength at a maximum light transmittance and a wavelength at a light transmittance of 10% on the shorter wavelength side is 70 nm or less.