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:
Jan. 22, 2002
Filed:
Sep. 10, 1999
Applicant:
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 ;
U.S. Cl.
CPC ...
G02F 1/1335 ;
Abstract
A front light includes a light source, a light guide for receiving light from the light source through an end surface of the light guide and outputting the light through a first large surface which is substantially perpendicular to the end surface, and a polarization selecting section for selectively transmitting light having particular polarization, the polarization selecting section being attached to the first large surface of the light guide such that any reflection does not occur at an interface between the polarization selecting section and the light guide.
Masuda, Takeshi. (2002). Front light, and reflective type lcd including same (U.S. Patent No. 6340999). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6340999
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile