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. 03, 1998
Filed:
Oct. 08, 1996
Applicant:
Inventor:
Fuminao Matsumoto, Hino, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ; G02F / ;
U.S. Cl.
CPC ...
349 52 ; 349 51 ;
Abstract
An active-matrix liquid crystal display has a metal-insulator-metal (MIM) switching device provided in each of the pixels of the display. The MIM switching device includes a hard carbon film disposed as an insulating layer between a first and a second conductor and exhibits excellent and reliable switching operations, thereby providing liquid crystal displays with high display quality and low power consumption.