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:
Jul. 08, 2008
Filed:
Jun. 20, 2006
Yoichi Ogawa, Ibaraki, JP;
Masataka Sato, Ibaraki, JP;
Katsusuke Shimazaki, Ibaraki, JP;
Toshinari Shibasaki, Ibaraki, JP;
Yoichi Ogawa, Ibaraki, JP;
Masataka Sato, Ibaraki, JP;
Katsusuke Shimazaki, Ibaraki, JP;
Toshinari Shibasaki, Ibaraki, JP;
Hitachi Maxwell, Ltd., Osaka, JP;
Abstract
The lighting apparatus includes a light source, a housing that contains the light source inside and has an exit port for outputting light from the light source, and an optical sheet that is placed in the exit port. The optical sheet includes a lens structure that is placed at a light exit side and aligns an output direction of incident light from the light source, a reflector that is placed at a light incident side and reflects light emitted by the light source, and a light transmitting opening that exists in the reflector and transmits incident light from the light source. The light transmitting opening is placed in a position deviated from an optical axis of the lens structure. The display apparatus includes the lighting apparatus.