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:
Jun. 16, 1992
Filed:
Mar. 20, 1990
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385129 ; 385901 ;
Abstract
The present invention relates to a light source device and particularly to a light source device which can be applied to a light source apparatus of a liquid crystal display apparatus which utilizes a flat plane type light source. The present invention provides a large size, light weight and thin flat plane light source which ensures uniform high level brightness to the entire part of display panel.
Endo, Syuusuke. (1992). Light source device (U.S. Patent No. 5123077). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5123077
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile