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:
Nov. 23, 2010
Filed:
Jun. 06, 2007
Toshinari Shibasaki, Ibaraki, JP;
Hideo Homma, Ibaraki, JP;
Katsusuke Shimazaki, Ibaraki, JP;
Masaya Adachi, Tokyo, JP;
Sukekazu Aratani, Tokyo, JP;
Toshinari Shibasaki, Ibaraki, JP;
Hideo Homma, Ibaraki, JP;
Katsusuke Shimazaki, Ibaraki, JP;
Masaya Adachi, Tokyo, JP;
Sukekazu Aratani, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An illuminating device includes a light-condensing sheet, a light-emitting portion, and a control unit. The light-condensing sheet includes a plurality of lenses each with a light-condensing function ranged on a light transmittance substrate. The light-emitting portion is opposed to the light-condensing sheet and includes light-emitting areas with respective dimensions. The control unit switches a luminous state of the light-emitting area to a non-luminous state or vice versa. A display device is provided with the illuminating device described above.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile