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:
Oct. 20, 2020
Filed:
Jan. 25, 2018
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;
Abstract
A lighting device includes a casing, a light source, a light-collecting member, and a reflection member. The casing includes a light exiting portion. The light source is accommodated within the casing. The light-collecting member disposed in the light exiting portion. The light-collecting member includes unit light collectors each having long dimensions in a first direction and being arranged in a second direction perpendicular to the first direction. The reflecting member is disposed adjacent to the light source with respect to the light-collecting member in the light exiting portion. The reflecting member includes a light reflective portion and a light transmissive portion. The reflecting member includes a light source arrangement area including a section overlapping the light source. The light source arrangement area includes the light reflective portion with an area ratio larger than an area ratio of a light source non-arrangement area around the light reflective portion.