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. 04, 2003
Filed:
Jun. 17, 1999
Tatsuo Chigira, Yokohama, JP;
Toshiki Ishino, Hiratsuka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image display apparatus includes a display element for displaying a video image, a backlight source for illuminating the display element, and a sculptured surface prism for guiding light from the display element. The sculptured surface prism enlarges the video image on the display element and presents the video image to an observer. The display element and the sculptured surface prism are supported by a holding member. An electrical circuit board is provided to drive the display element. The electrical circuit board and the display element are electrically connected. The electrical circuit board is arranged behind the display element, behind the sculptured surface prism when viewed from the observer, or on one side of the sculptured surface prism when viewed by the observer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile