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:
Nov. 07, 1995
Applicant:
Inventors:
Shigeo Kayashima, Kawasaki, JP;
Shin Eguchi, Kawasaki, JP;
Takahiro Matsuda, Kawasaki, JP;
Manabu Ishimoto, Kawasaki, JP;
Yoshihiro Mizuno, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
349201 ; 349202 ;
Abstract
An optical deflector device includes a VGM cell including a film of a nematic liquid crystal material which generates a distribution of spatial frequencies when subjected to an electric field. A film thickness setting unit sets a thickness distribution of the film in the VGM cell in accordance with a film thickness distribution defined by a predetermined function.