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. 01, 2011
Filed:
Sep. 02, 2008
Toshinari Shibasaki, Ibaraki, JP;
Katsusuke Shimazaki, Ibaraki, JP;
Sukekazu Aratani, Hitachi, JP;
Tatsuya Sugita, Hitachi, JP;
Toshinari Shibasaki, Ibaraki, JP;
Katsusuke Shimazaki, Ibaraki, JP;
Sukekazu Aratani, Hitachi, JP;
Tatsuya Sugita, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Provided is an illumination apparatus for a liquid crystal display apparatus having a plurality of transmission parts arranged two-dimensionally, having a plurality of aspherical lenses, which is installed in response to each of a plurality of the transmission parts and concentrates light for each of a plurality of the transmission parts; a plurality of light emission parts Rinstalled in response to each focal point position of a plurality of the aspherical lenses; and an electroluminescence layer containing a non-light emission region Rinstalled between a plurality of the light emission parts Rthemselves. Each of a plurality of the aspherical lenses has an inner side lens face containing an intersection with an optical axis AX, and an outer side lens face enclosing said inner side lens face, and curvature in the outer side lens face is smaller than curvature in the inner side lens face.