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. 22, 2005
Filed:
Sep. 20, 2002
Yasuhiro Tanoue, Kusatsu, JP;
Masayuki Shinohara, Nagaokakyo, JP;
Junichi Takagi, Kyoto, JP;
Junichiro Tsuji, Kusatsu, JP;
Yasuhiro Tanoue, Kusatsu, JP;
Masayuki Shinohara, Nagaokakyo, JP;
Junichi Takagi, Kyoto, JP;
Junichiro Tsuji, Kusatsu, JP;
Omron Corporation, Kyoto, JP;
Abstract
To make an efficiency of utilizing light with high efficiency in a plane light source apparatus used along with a liquid crystal display panel of a reflection type as a backlight, light fleaked from a rear face of a light guide platein a skewed direction, is incident on inside of a prism sheetand reflected by a reflecting faceLight freflected by the reflecting faceis reflected in a direction orthogonal to the prism sheetpasses the light guide plateand is emitted from a light emitting faceof the light guide platein a direction orthogonally thereto.