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:
Dec. 19, 2023
Filed:
Jul. 14, 2022
Japan Display Inc., Tokyo, JP;
Michihide Shibata, Tokyo, JP;
Japan Display Inc., Tokyo, JP;
Abstract
The purpose is to realize a lighting device of thin, small light distribution angle and high intensity illumination. The invention is: a lighting device, which emits light in a direction perpendicular to a normal surface, including: light source units, disposed radially with a certain azimuth with respect to a center of the lighting device, each of the light source units, having an optical axis parallel to the major surface, and emitting light toward the center of the lighting device, each of the light source units including a funnel shaped reflector, which has an opening and a neck, and an LED light source disposed at the neck, mirrors disposed opposing to the openings of the light source units, in which the mirrors reflect light emitted from the light source units to the direction perpendicular to the major surface.