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. 11, 2017
Filed:
Mar. 09, 2015
Nlt Technologies, Ltd., Kanagawa, JP;
Hiroaki Kimura, Kanagawa, JP;
NLT TECHNOLOGIES, LTD., Kanagawa, JP;
Abstract
Provided are a planar lighting apparatus, a liquid crystal display apparatus, and a planar light source. The planar lighting apparatus includes a planar light source including light emitting elements, a first housing, a light emitting surface divided into light emitting regions, and a first temperature sensor disposed inside of the first housing. The planar lighting apparatus further includes a second housing covering the planar light source; a second temperature sensor disposed outside of the first housing and inside of the second housing; a light-source drive circuit including light-source drive section each driving and controlling the light emitting elements belonging to the corresponding light emitting region; a memory section; and a computing section calculating a driving condition of each light-source drive section and correcting the driving condition on the basis of measurement values of the first temperature sensor and the second temperature sensor, and setup information in the memory section.