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:
Sep. 08, 2015
Filed:
Feb. 17, 2012
Mitsuru Hineno, Osaka, JP;
Mitsuru Hineno, Osaka, JP;
SHARP KABUSHIKI KAISHA, Osaka, JP;
Abstract
In a surface light source apparatusfor irradiating light in a planar form by arranging a plurality of tubular light sourcesat high density in the middle of a screen so that brightness at the middle of the screen is high, each tubular light sourcepositioned in rows at topmost and bottommost edges is arranged to be closer toward screen corner sections in a plan view so as to compensate for lack of brightness at the screen corner sections in a plan view. In this manner, each tubular light sourceis arranged by placing each tubular light sourcein the rows at the topmost and bottommost edges closer in a row direction toward each corner section B of the reflection sheet. Thereby, brightness at the middle of a screen is maintained and enhanced, and display quality at corner sections of the screen is improved.