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:
Dec. 18, 2001
Filed:
Nov. 26, 1999
Applicant:
Inventors:
Seiichi Nishiyama, Mobara, JP;
Shigetake Takaku, Mobara, JP;
Yoshiharu Takeda, Mobara, JP;
Shigeo Mikoshiba, Tokyo, JP;
Tomokazu Shiga, Hachioji, JP;
Koji Hashimoto, Chofu, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 4/100 ;
U.S. Cl.
CPC ...
H05B 4/100 ;
Abstract
A liquid crystal display is formed by a liquid crystal display panel for modulating light to form an image, and a back light unit including a lamp tube which is discharged by an electrode and is disposed behind said liquid crystal display panel, wherein said electrode is formed outside of said lamp tube. In this way, the liquid crystal display unit has a life span which can be increased without the need to replace the lamp tube or the back light unit.